Move actionpack/lib/action_view* into actionview/lib

57 files changed, 0 insertions, 9312 deletions

diff --git a/actionpack/lib/action_view/helpers/active_model_helper.rb b/actionpack/lib/action_view/helpers/active_model_helper.rb
deleted file mode 100644
index 901f433c70..0000000000
--- a/actionpack/lib/action_view/helpers/active_model_helper.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-require 'active_support/core_ext/class/attribute_accessors'
-require 'active_support/core_ext/enumerable'
-
-module ActionView
-  # = Active Model Helpers
-  module Helpers
-    module ActiveModelHelper
-    end
-
-    module ActiveModelInstanceTag
-      def object
-        @active_model_object ||= begin
-          object = super
-          object.respond_to?(:to_model) ? object.to_model : object
-        end
-      end
-
-      def content_tag(*)
-        error_wrapping(super)
-      end
-
-      def tag(type, options, *)
-        tag_generate_errors?(options) ? error_wrapping(super) : super
-      end
-
-      def error_wrapping(html_tag)
-        if object_has_errors?
-          Base.field_error_proc.call(html_tag, self)
-        else
-          html_tag
-        end
-      end
-
-      def error_message
-        object.errors[@method_name]
-      end
-
-      private
-
-      def object_has_errors?
-        object.respond_to?(:errors) && object.errors.respond_to?(:[]) && error_message.present?
-      end
-
-      def tag_generate_errors?(options)
-        options['type'] != 'hidden'
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
deleted file mode 100644
index 2b3a3c6a29..0000000000
--- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb
+++ /dev/null
@@ -1,316 +0,0 @@
-require 'active_support/core_ext/array/extract_options'
-require 'active_support/core_ext/hash/keys'
-require 'action_view/helpers/asset_url_helper'
-require 'action_view/helpers/tag_helper'
-
-module ActionView
-  # = Action View Asset Tag Helpers
-  module Helpers #:nodoc:
-    # This module provides methods for generating HTML that links views to assets such
-    # as images, javascripts, stylesheets, and feeds. These methods do not verify
-    # the assets exist before linking to them:
-    #
-    #   image_tag("rails.png")
-    #   # => <img alt="Rails" src="/assets/rails.png" />
-    #   stylesheet_link_tag("application")
-    #   # => <link href="/assets/application.css?body=1" media="screen" rel="stylesheet" />
-    module AssetTagHelper
-      extend ActiveSupport::Concern
-
-      include AssetUrlHelper
-      include TagHelper
-
-      # Returns an HTML script tag for each of the +sources+ provided.
-      #
-      # Sources may be paths to JavaScript files. Relative paths are assumed to be relative
-      # to <tt>assets/javascripts</tt>, full paths are assumed to be relative to the document
-      # root. Relative paths are idiomatic, use absolute paths only when needed.
-      #
-      # When passing paths, the ".js" extension is optional.
-      #
-      # You can modify the HTML attributes of the script tag by passing a hash as the
-      # last argument.
-      #
-      # When the Asset Pipeline is enabled, you can pass the name of your manifest as
-      # source, and include other JavaScript or CoffeeScript files inside the manifest.
-      #
-      #   javascript_include_tag "xmlhr"
-      #   # => <script src="/assets/xmlhr.js?1284139606"></script>
-      #
-      #   javascript_include_tag "xmlhr.js"
-      #   # => <script src="/assets/xmlhr.js?1284139606"></script>
-      #
-      #   javascript_include_tag "common.javascript", "/elsewhere/cools"
-      #   # => <script src="/assets/common.javascript?1284139606"></script>
-      #   #    <script src="/elsewhere/cools.js?1423139606"></script>
-      #
-      #   javascript_include_tag "http://www.example.com/xmlhr"
-      #   # => <script src="http://www.example.com/xmlhr"></script>
-      #
-      #   javascript_include_tag "http://www.example.com/xmlhr.js"
-      #   # => <script src="http://www.example.com/xmlhr.js"></script>
-      def javascript_include_tag(*sources)
-        options = sources.extract_options!.stringify_keys
-        path_options = options.extract!('protocol').symbolize_keys
-
-        sources.uniq.map { |source|
-          tag_options = {
-            "src" => path_to_javascript(source, path_options)
-          }.merge!(options)
-          content_tag(:script, "", tag_options)
-        }.join("\n").html_safe
-      end
-
-      # Returns a stylesheet link tag for the sources specified as arguments. If
-      # you don't specify an extension, <tt>.css</tt> will be appended automatically.
-      # You can modify the link attributes by passing a hash as the last argument.
-      # For historical reasons, the 'media' attribute will always be present and defaults
-      # to "screen", so you must explicitly set it to "all" for the stylesheet(s) to
-      # apply to all media types.
-      #
-      #   stylesheet_link_tag "style"
-      #   # => <link href="/assets/style.css" media="screen" rel="stylesheet" />
-      #
-      #   stylesheet_link_tag "style.css"
-      #   # => <link href="/assets/style.css" media="screen" rel="stylesheet" />
-      #
-      #   stylesheet_link_tag "http://www.example.com/style.css"
-      #   # => <link href="http://www.example.com/style.css" media="screen" rel="stylesheet" />
-      #
-      #   stylesheet_link_tag "style", media: "all"
-      #   # => <link href="/assets/style.css" media="all" rel="stylesheet" />
-      #
-      #   stylesheet_link_tag "style", media: "print"
-      #   # => <link href="/assets/style.css" media="print" rel="stylesheet" />
-      #
-      #   stylesheet_link_tag "random.styles", "/css/stylish"
-      #   # => <link href="/assets/random.styles" media="screen" rel="stylesheet" />
-      #   #    <link href="/css/stylish.css" media="screen" rel="stylesheet" />
-      def stylesheet_link_tag(*sources)
-        options = sources.extract_options!.stringify_keys
-        path_options = options.extract!('protocol').symbolize_keys
-
-        sources.uniq.map { |source|
-          tag_options = {
-            "rel" => "stylesheet",
-            "media" => "screen",
-            "href" => path_to_stylesheet(source, path_options)
-          }.merge!(options)
-          tag(:link, tag_options)
-        }.join("\n").html_safe
-      end
-
-      # Returns a link tag that browsers and news readers can use to auto-detect
-      # an RSS or Atom feed. The +type+ can either be <tt>:rss</tt> (default) or
-      # <tt>:atom</tt>. Control the link options in url_for format using the
-      # +url_options+. You can modify the LINK tag itself in +tag_options+.
-      #
-      # ==== Options
-      #
-      # * <tt>:rel</tt>  - Specify the relation of this link, defaults to "alternate"
-      # * <tt>:type</tt>  - Override the auto-generated mime type
-      # * <tt>:title</tt>  - Specify the title of the link, defaults to the +type+
-      #
-      # ==== Examples
-      #
-      #   auto_discovery_link_tag
-      #   # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/controller/action" />
-      #   auto_discovery_link_tag(:atom)
-      #   # => <link rel="alternate" type="application/atom+xml" title="ATOM" href="http://www.currenthost.com/controller/action" />
-      #   auto_discovery_link_tag(:rss, {action: "feed"})
-      #   # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/controller/feed" />
-      #   auto_discovery_link_tag(:rss, {action: "feed"}, {title: "My RSS"})
-      #   # => <link rel="alternate" type="application/rss+xml" title="My RSS" href="http://www.currenthost.com/controller/feed" />
-      #   auto_discovery_link_tag(:rss, {controller: "news", action: "feed"})
-      #   # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/news/feed" />
-      #   auto_discovery_link_tag(:rss, "http://www.example.com/feed.rss", {title: "Example RSS"})
-      #   # => <link rel="alternate" type="application/rss+xml" title="Example RSS" href="http://www.example.com/feed" />
-      def auto_discovery_link_tag(type = :rss, url_options = {}, tag_options = {})
-        if !(type == :rss || type == :atom) && tag_options[:type].blank?
-          raise ArgumentError.new("You should pass :type tag_option key explicitly, because you have passed #{type} type other than :rss or :atom.")
-        end
-
-        tag(
-          "link",
-          "rel"   => tag_options[:rel] || "alternate",
-          "type"  => tag_options[:type] || Mime::Type.lookup_by_extension(type.to_s).to_s,
-          "title" => tag_options[:title] || type.to_s.upcase,
-          "href"  => url_options.is_a?(Hash) ? url_for(url_options.merge(:only_path => false)) : url_options
-        )
-      end
-
-      # Returns a link loading a favicon file. You may specify a different file
-      # in the first argument. The helper accepts an additional options hash where
-      # you can override "rel" and "type".
-      #
-      # ==== Options
-      #
-      # * <tt>:rel</tt>   - Specify the relation of this link, defaults to 'shortcut icon'
-      # * <tt>:type</tt>  - Override the auto-generated mime type, defaults to 'image/vnd.microsoft.icon'
-      #
-      # ==== Examples
-      #
-      #   favicon_link_tag '/myicon.ico'
-      #   # => <link href="/assets/myicon.ico" rel="shortcut icon" type="image/vnd.microsoft.icon" />
-      #
-      # Mobile Safari looks for a different <link> tag, pointing to an image that
-      # will be used if you add the page to the home screen of an iPod Touch, iPhone, or iPad.
-      # The following call would generate such a tag:
-      #
-      #   favicon_link_tag '/mb-icon.png', rel: 'apple-touch-icon', type: 'image/png'
-      #   # => <link href="/assets/mb-icon.png" rel="apple-touch-icon" type="image/png" />
-      def favicon_link_tag(source='favicon.ico', options={})
-        tag('link', {
-          :rel  => 'shortcut icon',
-          :type => 'image/vnd.microsoft.icon',
-          :href => path_to_image(source)
-        }.merge!(options.symbolize_keys))
-      end
-
-      # Returns an HTML image tag for the +source+. The +source+ can be a full
-      # path or a file.
-      #
-      # ==== Options
-      #
-      # You can add HTML attributes using the +options+. The +options+ supports
-      # three additional keys for convenience and conformance:
-      #
-      # * <tt>:alt</tt>  - If no alt text is given, the file name part of the
-      #   +source+ is used (capitalized and without the extension)
-      # * <tt>:size</tt> - Supplied as "{Width}x{Height}" or "{Number}", so "30x45" becomes
-      #   width="30" and height="45", and "50" becomes width="50" and height="50".
-      #   <tt>:size</tt> will be ignored if the value is not in the correct format.
-      #
-      # ==== Examples
-      #
-      #   image_tag("icon")
-      #   # => <img alt="Icon" src="/assets/icon" />
-      #   image_tag("icon.png")
-      #   # => <img alt="Icon" src="/assets/icon.png" />
-      #   image_tag("icon.png", size: "16x10", alt: "Edit Entry")
-      #   # => <img src="/assets/icon.png" width="16" height="10" alt="Edit Entry" />
-      #   image_tag("/icons/icon.gif", size: "16")
-      #   # => <img src="/icons/icon.gif" width="16" height="16" alt="Icon" />
-      #   image_tag("/icons/icon.gif", height: '32', width: '32')
-      #   # => <img alt="Icon" height="32" src="/icons/icon.gif" width="32" />
-      #   image_tag("/icons/icon.gif", class: "menu_icon")
-      #   # => <img alt="Icon" class="menu_icon" src="/icons/icon.gif" />
-      def image_tag(source, options={})
-        options = options.symbolize_keys
-
-        src = options[:src] = path_to_image(source)
-
-        unless src =~ /^(?:cid|data):/ || src.blank?
-          options[:alt] = options.fetch(:alt){ image_alt(src) }
-        end
-
-        if size = options.delete(:size)
-          options[:width], options[:height] = size.split("x") if size =~ %r{\A\d+x\d+\z}
-          options[:width] = options[:height] = size if size =~ %r{\A\d+\z}
-        end
-
-        tag("img", options)
-      end
-
-      # Returns a string suitable for an html image tag alt attribute.
-      # The +src+ argument is meant to be an image file path.
-      # The method removes the basename of the file path and the digest,
-      # if any. It also removes hyphens and underscores from file names and
-      # replaces them with spaces, returning a space-separated, titleized
-      # string.
-      #
-      # ==== Examples
-      #
-      #   image_tag('rails.png')
-      #   # => <img alt="Rails" src="/assets/rails.png" />
-      #
-      #   image_tag('hyphenated-file-name.png')
-      #   # => <img alt="Hyphenated file name" src="/assets/hyphenated-file-name.png" />
-      #
-      #   image_tag('underscored_file_name.png')
-      #   # => <img alt="Underscored file name" src="/assets/underscored_file_name.png" />
-      def image_alt(src)
-        File.basename(src, '.*').sub(/-[[:xdigit:]]{32}\z/, '').tr('-_', ' ').capitalize
-      end
-
-      # Returns an html video tag for the +sources+. If +sources+ is a string,
-      # a single video tag will be returned. If +sources+ is an array, a video
-      # tag with nested source tags for each source will be returned. The
-      # +sources+ can be full paths or files that exists in your public videos
-      # directory.
-      #
-      # ==== Options
-      # You can add HTML attributes using the +options+. The +options+ supports
-      # two additional keys for convenience and conformance:
-      #
-      # * <tt>:poster</tt> - Set an image (like a screenshot) to be shown
-      #   before the video loads. The path is calculated like the +src+ of +image_tag+.
-      # * <tt>:size</tt> - Supplied as "{Width}x{Height}", so "30x45" becomes
-      #   width="30" and height="45". <tt>:size</tt> will be ignored if the
-      #   value is not in the correct format.
-      #
-      # ==== Examples
-      #
-      #   video_tag("trailer")
-      #   # => <video src="/videos/trailer" />
-      #   video_tag("trailer.ogg")
-      #   # => <video src="/videos/trailer.ogg" />
-      #   video_tag("trailer.ogg", controls: true, autobuffer: true)
-      #   # => <video autobuffer="autobuffer" controls="controls" src="/videos/trailer.ogg" />
-      #   video_tag("trailer.m4v", size: "16x10", poster: "screenshot.png")
-      #   # => <video src="/videos/trailer.m4v" width="16" height="10" poster="/assets/screenshot.png" />
-      #   video_tag("/trailers/hd.avi", size: "16x16")
-      #   # => <video src="/trailers/hd.avi" width="16" height="16" />
-      #   video_tag("/trailers/hd.avi", height: '32', width: '32')
-      #   # => <video height="32" src="/trailers/hd.avi" width="32" />
-      #   video_tag("trailer.ogg", "trailer.flv")
-      #   # => <video><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
-      #   video_tag(["trailer.ogg", "trailer.flv"])
-      #   # => <video><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
-      #   video_tag(["trailer.ogg", "trailer.flv"], size: "160x120")
-      #   # => <video height="120" width="160"><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
-      def video_tag(*sources)
-        multiple_sources_tag('video', sources) do |options|
-          options[:poster] = path_to_image(options[:poster]) if options[:poster]
-
-          if size = options.delete(:size)
-            options[:width], options[:height] = size.split("x") if size =~ %r{^\d+x\d+$}
-          end
-        end
-      end
-
-      # Returns an HTML audio tag for the +source+.
-      # The +source+ can be full path or file that exists in
-      # your public audios directory.
-      #
-      #   audio_tag("sound")
-      #   # => <audio src="/audios/sound" />
-      #   audio_tag("sound.wav")
-      #   # => <audio src="/audios/sound.wav" />
-      #   audio_tag("sound.wav", autoplay: true, controls: true)
-      #   # => <audio autoplay="autoplay" controls="controls" src="/audios/sound.wav" />
-      #   audio_tag("sound.wav", "sound.mid")
-      #   # => <audio><source src="/audios/sound.wav" /><source src="/audios/sound.mid" /></audio>
-      def audio_tag(*sources)
-        multiple_sources_tag('audio', sources)
-      end
-
-      private
-        def multiple_sources_tag(type, sources)
-          options = sources.extract_options!.symbolize_keys
-          sources.flatten!
-
-          yield options if block_given?
-
-          if sources.size > 1
-            content_tag(type, options) do
-              safe_join sources.map { |source| tag("source", :src => send("path_to_#{type}", source)) }
-            end
-          else
-            options[:src] = send("path_to_#{type}", sources.first)
-            content_tag(type, nil, options)
-          end
-        end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/asset_url_helper.rb b/actionpack/lib/action_view/helpers/asset_url_helper.rb
deleted file mode 100644
index 0b957adb91..0000000000
--- a/actionpack/lib/action_view/helpers/asset_url_helper.rb
+++ /dev/null
@@ -1,355 +0,0 @@
-require 'zlib'
-
-module ActionView
-  # = Action View Asset URL Helpers
-  module Helpers
-    # This module provides methods for generating asset paths and
-    # urls.
-    #
-    #   image_path("rails.png")
-    #   # => "/assets/rails.png"
-    #
-    #   image_url("rails.png")
-    #   # => "http://www.example.com/assets/rails.png"
-    #
-    # === Using asset hosts
-    #
-    # By default, Rails links to these assets on the current host in the public
-    # folder, but you can direct Rails to link to assets from a dedicated asset
-    # server by setting <tt>ActionController::Base.asset_host</tt> in the application
-    # configuration, typically in <tt>config/environments/production.rb</tt>.
-    # For example, you'd define <tt>assets.example.com</tt> to be your asset
-    # host this way, inside the <tt>configure</tt> block of your environment-specific
-    # configuration files or <tt>config/application.rb</tt>:
-    #
-    #   config.action_controller.asset_host = "assets.example.com"
-    #
-    # Helpers take that into account:
-    #
-    #   image_tag("rails.png")
-    #   # => <img alt="Rails" src="http://assets.example.com/assets/rails.png" />
-    #   stylesheet_link_tag("application")
-    #   # => <link href="http://assets.example.com/assets/application.css" media="screen" rel="stylesheet" />
-    #
-    # Browsers typically open at most two simultaneous connections to a single
-    # host, which means your assets often have to wait for other assets to finish
-    # downloading. You can alleviate this by using a <tt>%d</tt> wildcard in the
-    # +asset_host+. For example, "assets%d.example.com". If that wildcard is
-    # present Rails distributes asset requests among the corresponding four hosts
-    # "assets0.example.com", ..., "assets3.example.com". With this trick browsers
-    # will open eight simultaneous connections rather than two.
-    #
-    #   image_tag("rails.png")
-    #   # => <img alt="Rails" src="http://assets0.example.com/assets/rails.png" />
-    #   stylesheet_link_tag("application")
-    #   # => <link href="http://assets2.example.com/assets/application.css" media="screen" rel="stylesheet" />
-    #
-    # To do this, you can either setup four actual hosts, or you can use wildcard
-    # DNS to CNAME the wildcard to a single asset host. You can read more about
-    # setting up your DNS CNAME records from your ISP.
-    #
-    # Note: This is purely a browser performance optimization and is not meant
-    # for server load balancing. See http://www.die.net/musings/page_load_time/
-    # for background.
-    #
-    # Alternatively, you can exert more control over the asset host by setting
-    # +asset_host+ to a proc like this:
-    #
-    #   ActionController::Base.asset_host = Proc.new { |source|
-    #     "http://assets#{Digest::MD5.hexdigest(source).to_i(16) % 2 + 1}.example.com"
-    #   }
-    #   image_tag("rails.png")
-    #   # => <img alt="Rails" src="http://assets1.example.com/assets/rails.png" />
-    #   stylesheet_link_tag("application")
-    #   # => <link href="http://assets2.example.com/assets/application.css" media="screen" rel="stylesheet" />
-    #
-    # The example above generates "http://assets1.example.com" and
-    # "http://assets2.example.com". This option is useful for example if
-    # you need fewer/more than four hosts, custom host names, etc.
-    #
-    # As you see the proc takes a +source+ parameter. That's a string with the
-    # absolute path of the asset, for example "/assets/rails.png".
-    #
-    #    ActionController::Base.asset_host = Proc.new { |source|
-    #      if source.ends_with?('.css')
-    #        "http://stylesheets.example.com"
-    #      else
-    #        "http://assets.example.com"
-    #      end
-    #    }
-    #   image_tag("rails.png")
-    #   # => <img alt="Rails" src="http://assets.example.com/assets/rails.png" />
-    #   stylesheet_link_tag("application")
-    #   # => <link href="http://stylesheets.example.com/assets/application.css" media="screen" rel="stylesheet" />
-    #
-    # Alternatively you may ask for a second parameter +request+. That one is
-    # particularly useful for serving assets from an SSL-protected page. The
-    # example proc below disables asset hosting for HTTPS connections, while
-    # still sending assets for plain HTTP requests from asset hosts. If you don't
-    # have SSL certificates for each of the asset hosts this technique allows you
-    # to avoid warnings in the client about mixed media.
-    #
-    #   config.action_controller.asset_host = Proc.new { |source, request|
-    #     if request.ssl?
-    #       "#{request.protocol}#{request.host_with_port}"
-    #     else
-    #       "#{request.protocol}assets.example.com"
-    #     end
-    #   }
-    #
-    # You can also implement a custom asset host object that responds to +call+
-    # and takes either one or two parameters just like the proc.
-    #
-    #   config.action_controller.asset_host = AssetHostingWithMinimumSsl.new(
-    #     "http://asset%d.example.com", "https://asset1.example.com"
-    #   )
-    #
-    module AssetUrlHelper
-      URI_REGEXP = %r{^[-a-z]+://|^(?:cid|data):|^//}i
-
-      # Computes the path to asset in public directory. If :type
-      # options is set, a file extension will be appended and scoped
-      # to the corresponding public directory.
-      #
-      # All other asset *_path helpers delegate through this method.
-      #
-      #   asset_path "application.js"                     # => /application.js
-      #   asset_path "application", type: :javascript     # => /javascripts/application.js
-      #   asset_path "application", type: :stylesheet     # => /stylesheets/application.css
-      #   asset_path "http://www.example.com/js/xmlhr.js" # => http://www.example.com/js/xmlhr.js
-      def asset_path(source, options = {})
-        source = source.to_s
-        return "" unless source.present?
-        return source if source =~ URI_REGEXP
-
-        tail, source = source[/([\?#].+)$/], source.sub(/([\?#].+)$/, '')
-
-        if extname = compute_asset_extname(source, options)
-          source = "#{source}#{extname}"
-        end
-
-        if source[0] != ?/
-          source = compute_asset_path(source, options)
-        end
-
-        relative_url_root = defined?(config.relative_url_root) && config.relative_url_root
-        if relative_url_root
-          source = "#{relative_url_root}#{source}" unless source.starts_with?("#{relative_url_root}/")
-        end
-
-        if host = compute_asset_host(source, options)
-          source = "#{host}#{source}"
-        end
-
-        "#{source}#{tail}"
-      end
-      alias_method :path_to_asset, :asset_path # aliased to avoid conflicts with a asset_path named route
-
-      # Computes the full URL to a asset in the public directory. This
-      # will use +asset_path+ internally, so most of their behaviors
-      # will be the same.
-      def asset_url(source, options = {})
-        path_to_asset(source, options.merge(:protocol => :request))
-      end
-      alias_method :url_to_asset, :asset_url # aliased to avoid conflicts with an asset_url named route
-
-      ASSET_EXTENSIONS = {
-        javascript: '.js',
-        stylesheet: '.css'
-      }
-
-      # Compute extname to append to asset path. Returns nil if
-      # nothing should be added.
-      def compute_asset_extname(source, options = {})
-        return if options[:extname] == false
-        extname = options[:extname] || ASSET_EXTENSIONS[options[:type]]
-        extname if extname && File.extname(source) != extname
-      end
-
-      # Maps asset types to public directory.
-      ASSET_PUBLIC_DIRECTORIES = {
-        audio:      '/audios',
-        font:       '/fonts',
-        image:      '/images',
-        javascript: '/javascripts',
-        stylesheet: '/stylesheets',
-        video:      '/videos'
-      }
-
-      # Computes asset path to public directory. Plugins and
-      # extensions can override this method to point to custom assets
-      # or generate digested paths or query strings.
-      def compute_asset_path(source, options = {})
-        dir = ASSET_PUBLIC_DIRECTORIES[options[:type]] || ""
-        File.join(dir, source)
-      end
-
-      # Pick an asset host for this source. Returns +nil+ if no host is set,
-      # the host if no wildcard is set, the host interpolated with the
-      # numbers 0-3 if it contains <tt>%d</tt> (the number is the source hash mod 4),
-      # or the value returned from invoking call on an object responding to call
-      # (proc or otherwise).
-      def compute_asset_host(source = "", options = {})
-        request = self.request if respond_to?(:request)
-        host = config.asset_host if defined? config.asset_host
-        host ||= request.base_url if request && options[:protocol] == :request
-
-        if host.respond_to?(:call)
-          arity = host.respond_to?(:arity) ? host.arity : host.method(:call).arity
-          args = [source]
-          args << request if request && (arity > 1 || arity < 0)
-          host = host.call(*args)
-        elsif host =~ /%d/
-          host = host % (Zlib.crc32(source) % 4)
-        end
-
-        return unless host
-
-        if host =~ URI_REGEXP
-          host
-        else
-          protocol = options[:protocol] || config.default_asset_host_protocol || (request ? :request : :relative)
-          case protocol
-          when :relative
-            "//#{host}"
-          when :request
-            "#{request.protocol}#{host}"
-          else
-            "#{protocol}://#{host}"
-          end
-        end
-      end
-
-      # Computes the path to a javascript asset in the public javascripts directory.
-      # If the +source+ filename has no extension, .js will be appended (except for explicit URIs)
-      # Full paths from the document root will be passed through.
-      # Used internally by javascript_include_tag to build the script path.
-      #
-      #   javascript_path "xmlhr"                              # => /javascripts/xmlhr.js
-      #   javascript_path "dir/xmlhr.js"                       # => /javascripts/dir/xmlhr.js
-      #   javascript_path "/dir/xmlhr"                         # => /dir/xmlhr.js
-      #   javascript_path "http://www.example.com/js/xmlhr"    # => http://www.example.com/js/xmlhr
-      #   javascript_path "http://www.example.com/js/xmlhr.js" # => http://www.example.com/js/xmlhr.js
-      def javascript_path(source, options = {})
-        path_to_asset(source, {type: :javascript}.merge!(options))
-      end
-      alias_method :path_to_javascript, :javascript_path # aliased to avoid conflicts with a javascript_path named route
-
-      # Computes the full URL to a javascript asset in the public javascripts directory.
-      # This will use +javascript_path+ internally, so most of their behaviors will be the same.
-      def javascript_url(source, options = {})
-        url_to_asset(source, {type: :javascript}.merge!(options))
-      end
-      alias_method :url_to_javascript, :javascript_url # aliased to avoid conflicts with a javascript_url named route
-
-      # Computes the path to a stylesheet asset in the public stylesheets directory.
-      # If the +source+ filename has no extension, <tt>.css</tt> will be appended (except for explicit URIs).
-      # Full paths from the document root will be passed through.
-      # Used internally by +stylesheet_link_tag+ to build the stylesheet path.
-      #
-      #   stylesheet_path "style"                                  # => /stylesheets/style.css
-      #   stylesheet_path "dir/style.css"                          # => /stylesheets/dir/style.css
-      #   stylesheet_path "/dir/style.css"                         # => /dir/style.css
-      #   stylesheet_path "http://www.example.com/css/style"       # => http://www.example.com/css/style
-      #   stylesheet_path "http://www.example.com/css/style.css"   # => http://www.example.com/css/style.css
-      def stylesheet_path(source, options = {})
-        path_to_asset(source, {type: :stylesheet}.merge!(options))
-      end
-      alias_method :path_to_stylesheet, :stylesheet_path # aliased to avoid conflicts with a stylesheet_path named route
-
-      # Computes the full URL to a stylesheet asset in the public stylesheets directory.
-      # This will use +stylesheet_path+ internally, so most of their behaviors will be the same.
-      def stylesheet_url(source, options = {})
-        url_to_asset(source, {type: :stylesheet}.merge!(options))
-      end
-      alias_method :url_to_stylesheet, :stylesheet_url # aliased to avoid conflicts with a stylesheet_url named route
-
-      # Computes the path to an image asset.
-      # Full paths from the document root will be passed through.
-      # Used internally by +image_tag+ to build the image path:
-      #
-      #   image_path("edit")                                         # => "/assets/edit"
-      #   image_path("edit.png")                                     # => "/assets/edit.png"
-      #   image_path("icons/edit.png")                               # => "/assets/icons/edit.png"
-      #   image_path("/icons/edit.png")                              # => "/icons/edit.png"
-      #   image_path("http://www.example.com/img/edit.png")          # => "http://www.example.com/img/edit.png"
-      #
-      # If you have images as application resources this method may conflict with their named routes.
-      # The alias +path_to_image+ is provided to avoid that. Rails uses the alias internally, and
-      # plugin authors are encouraged to do so.
-      def image_path(source, options = {})
-        path_to_asset(source, {type: :image}.merge!(options))
-      end
-      alias_method :path_to_image, :image_path # aliased to avoid conflicts with an image_path named route
-
-      # Computes the full URL to an image asset.
-      # This will use +image_path+ internally, so most of their behaviors will be the same.
-      def image_url(source, options = {})
-        url_to_asset(source, {type: :image}.merge!(options))
-      end
-      alias_method :url_to_image, :image_url # aliased to avoid conflicts with an image_url named route
-
-      # Computes the path to a video asset in the public videos directory.
-      # Full paths from the document root will be passed through.
-      # Used internally by +video_tag+ to build the video path.
-      #
-      #   video_path("hd")                                            # => /videos/hd
-      #   video_path("hd.avi")                                        # => /videos/hd.avi
-      #   video_path("trailers/hd.avi")                               # => /videos/trailers/hd.avi
-      #   video_path("/trailers/hd.avi")                              # => /trailers/hd.avi
-      #   video_path("http://www.example.com/vid/hd.avi")             # => http://www.example.com/vid/hd.avi
-      def video_path(source, options = {})
-        path_to_asset(source, {type: :video}.merge!(options))
-      end
-      alias_method :path_to_video, :video_path # aliased to avoid conflicts with a video_path named route
-
-      # Computes the full URL to a video asset in the public videos directory.
-      # This will use +video_path+ internally, so most of their behaviors will be the same.
-      def video_url(source, options = {})
-        url_to_asset(source, {type: :video}.merge!(options))
-      end
-      alias_method :url_to_video, :video_url # aliased to avoid conflicts with an video_url named route
-
-      # Computes the path to an audio asset in the public audios directory.
-      # Full paths from the document root will be passed through.
-      # Used internally by +audio_tag+ to build the audio path.
-      #
-      #   audio_path("horse")                                            # => /audios/horse
-      #   audio_path("horse.wav")                                        # => /audios/horse.wav
-      #   audio_path("sounds/horse.wav")                                 # => /audios/sounds/horse.wav
-      #   audio_path("/sounds/horse.wav")                                # => /sounds/horse.wav
-      #   audio_path("http://www.example.com/sounds/horse.wav")          # => http://www.example.com/sounds/horse.wav
-      def audio_path(source, options = {})
-        path_to_asset(source, {type: :audio}.merge!(options))
-      end
-      alias_method :path_to_audio, :audio_path # aliased to avoid conflicts with an audio_path named route
-
-      # Computes the full URL to an audio asset in the public audios directory.
-      # This will use +audio_path+ internally, so most of their behaviors will be the same.
-      def audio_url(source, options = {})
-        url_to_asset(source, {type: :audio}.merge!(options))
-      end
-      alias_method :url_to_audio, :audio_url # aliased to avoid conflicts with an audio_url named route
-
-      # Computes the path to a font asset.
-      # Full paths from the document root will be passed through.
-      #
-      #   font_path("font")                                           # => /assets/font
-      #   font_path("font.ttf")                                       # => /assets/font.ttf
-      #   font_path("dir/font.ttf")                                   # => /assets/dir/font.ttf
-      #   font_path("/dir/font.ttf")                                  # => /dir/font.ttf
-      #   font_path("http://www.example.com/dir/font.ttf")            # => http://www.example.com/dir/font.ttf
-      def font_path(source, options = {})
-        path_to_asset(source, {type: :font}.merge!(options))
-      end
-      alias_method :path_to_font, :font_path # aliased to avoid conflicts with an font_path named route
-
-      # Computes the full URL to a font asset.
-      # This will use +font_path+ internally, so most of their behaviors will be the same.
-      def font_url(source, options = {})
-        url_to_asset(source, {type: :font}.merge!(options))
-      end
-      alias_method :url_to_font, :font_url # aliased to avoid conflicts with an font_url named route
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/atom_feed_helper.rb b/actionpack/lib/action_view/helpers/atom_feed_helper.rb
deleted file mode 100644
index 42b1dd8933..0000000000
--- a/actionpack/lib/action_view/helpers/atom_feed_helper.rb
+++ /dev/null
@@ -1,203 +0,0 @@
-require 'set'
-
-module ActionView
-  # = Action View Atom Feed Helpers
-  module Helpers
-    module AtomFeedHelper
-      # Adds easy defaults to writing Atom feeds with the Builder template engine (this does not work on ERB or any other
-      # template languages).
-      #
-      # Full usage example:
-      #
-      #   config/routes.rb:
-      #     Basecamp::Application.routes.draw do
-      #       resources :posts
-      #       root to: "posts#index"
-      #     end
-      #
-      #   app/controllers/posts_controller.rb:
-      #     class PostsController < ApplicationController::Base
-      #       # GET /posts.html
-      #       # GET /posts.atom
-      #       def index
-      #         @posts = Post.all
-      #
-      #         respond_to do |format|
-      #           format.html
-      #           format.atom
-      #         end
-      #       end
-      #     end
-      #
-      #   app/views/posts/index.atom.builder:
-      #     atom_feed do |feed|
-      #       feed.title("My great blog!")
-      #       feed.updated(@posts[0].created_at) if @posts.length > 0
-      #
-      #       @posts.each do |post|
-      #         feed.entry(post) do |entry|
-      #           entry.title(post.title)
-      #           entry.content(post.body, type: 'html')
-      #
-      #           entry.author do |author|
-      #             author.name("DHH")
-      #           end
-      #         end
-      #       end
-      #     end
-      #
-      # The options for atom_feed are:
-      #
-      # * <tt>:language</tt>: Defaults to "en-US".
-      # * <tt>:root_url</tt>: The HTML alternative that this feed is doubling for. Defaults to / on the current host.
-      # * <tt>:url</tt>: The URL for this feed. Defaults to the current URL.
-      # * <tt>:id</tt>: The id for this feed. Defaults to "tag:#{request.host},#{options[:schema_date]}:#{request.fullpath.split(".")[0]}"
-      # * <tt>:schema_date</tt>: The date at which the tag scheme for the feed was first used. A good default is the year you
-      #   created the feed. See http://feedvalidator.org/docs/error/InvalidTAG.html for more information. If not specified,
-      #   2005 is used (as an "I don't care" value).
-      # * <tt>:instruct</tt>: Hash of XML processing instructions in the form {target => {attribute => value, }} or {target => [{attribute => value, }, ]}
-      #
-      # Other namespaces can be added to the root element:
-      #
-      #   app/views/posts/index.atom.builder:
-      #     atom_feed({'xmlns:app' => 'http://www.w3.org/2007/app',
-      #         'xmlns:openSearch' => 'http://a9.com/-/spec/opensearch/1.1/'}) do |feed|
-      #       feed.title("My great blog!")
-      #       feed.updated((@posts.first.created_at))
-      #       feed.tag!(openSearch:totalResults, 10)
-      #
-      #       @posts.each do |post|
-      #         feed.entry(post) do |entry|
-      #           entry.title(post.title)
-      #           entry.content(post.body, type: 'html')
-      #           entry.tag!('app:edited', Time.now)
-      #
-      #           entry.author do |author|
-      #             author.name("DHH")
-      #           end
-      #         end
-      #       end
-      #     end
-      #
-      # The Atom spec defines five elements (content rights title subtitle
-      # summary) which may directly contain xhtml content if type: 'xhtml'
-      # is specified as an attribute. If so, this helper will take care of
-      # the enclosing div and xhtml namespace declaration. Example usage:
-      #
-      #    entry.summary type: 'xhtml' do |xhtml|
-      #      xhtml.p pluralize(order.line_items.count, "line item")
-      #      xhtml.p "Shipped to #{order.address}"
-      #      xhtml.p "Paid by #{order.pay_type}"
-      #    end
-      #
-      #
-      # <tt>atom_feed</tt> yields an +AtomFeedBuilder+ instance. Nested elements yield
-      # an +AtomBuilder+ instance.
-      def atom_feed(options = {}, &block)
-        if options[:schema_date]
-          options[:schema_date] = options[:schema_date].strftime("%Y-%m-%d") if options[:schema_date].respond_to?(:strftime)
-        else
-          options[:schema_date] = "2005" # The Atom spec copyright date
-        end
-
-        xml = options.delete(:xml) || eval("xml", block.binding)
-        xml.instruct!
-        if options[:instruct]
-          options[:instruct].each do |target,attrs|
-            if attrs.respond_to?(:keys)
-              xml.instruct!(target, attrs)
-            elsif attrs.respond_to?(:each)
-              attrs.each { |attr_group| xml.instruct!(target, attr_group) }
-            end
-          end
-        end
-
-        feed_opts = {"xml:lang" => options[:language] || "en-US", "xmlns" => 'http://www.w3.org/2005/Atom'}
-        feed_opts.merge!(options).reject!{|k,v| !k.to_s.match(/^xml/)}
-
-        xml.feed(feed_opts) do
-          xml.id(options[:id] || "tag:#{request.host},#{options[:schema_date]}:#{request.fullpath.split(".")[0]}")
-          xml.link(:rel => 'alternate', :type => 'text/html', :href => options[:root_url] || (request.protocol + request.host_with_port))
-          xml.link(:rel => 'self', :type => 'application/atom+xml', :href => options[:url] || request.url)
-
-          yield AtomFeedBuilder.new(xml, self, options)
-        end
-      end
-
-      class AtomBuilder #:nodoc:
-        XHTML_TAG_NAMES = %w(content rights title subtitle summary).to_set
-
-        def initialize(xml)
-          @xml = xml
-        end
-
-        private
-          # Delegate to xml builder, first wrapping the element in a xhtml
-          # namespaced div element if the method and arguments indicate
-          # that an xhtml_block? is desired.
-          def method_missing(method, *arguments, &block)
-            if xhtml_block?(method, arguments)
-              @xml.__send__(method, *arguments) do
-                @xml.div(:xmlns => 'http://www.w3.org/1999/xhtml') do |xhtml|
-                  block.call(xhtml)
-                end
-              end
-            else
-              @xml.__send__(method, *arguments, &block)
-            end
-          end
-
-          # True if the method name matches one of the five elements defined
-          # in the Atom spec as potentially containing XHTML content and
-          # if type: 'xhtml' is, in fact, specified.
-          def xhtml_block?(method, arguments)
-            if XHTML_TAG_NAMES.include?(method.to_s)
-              last = arguments.last
-              last.is_a?(Hash) && last[:type].to_s == 'xhtml'
-            end
-          end
-      end
-
-      class AtomFeedBuilder < AtomBuilder #:nodoc:
-        def initialize(xml, view, feed_options = {})
-          @xml, @view, @feed_options = xml, view, feed_options
-        end
-
-        # Accepts a Date or Time object and inserts it in the proper format. If nil is passed, current time in UTC is used.
-        def updated(date_or_time = nil)
-          @xml.updated((date_or_time || Time.now.utc).xmlschema)
-        end
-
-        # Creates an entry tag for a specific record and prefills the id using class and id.
-        #
-        # Options:
-        #
-        # * <tt>:published</tt>: Time first published. Defaults to the created_at attribute on the record if one such exists.
-        # * <tt>:updated</tt>: Time of update. Defaults to the updated_at attribute on the record if one such exists.
-        # * <tt>:url</tt>: The URL for this entry. Defaults to the polymorphic_url for the record.
-        # * <tt>:id</tt>: The ID for this entry. Defaults to "tag:#{@view.request.host},#{@feed_options[:schema_date]}:#{record.class}/#{record.id}"
-        # * <tt>:type</tt>: The TYPE for this entry. Defaults to "text/html".
-        def entry(record, options = {})
-          @xml.entry do
-            @xml.id(options[:id] || "tag:#{@view.request.host},#{@feed_options[:schema_date]}:#{record.class}/#{record.id}")
-
-            if options[:published] || (record.respond_to?(:created_at) && record.created_at)
-              @xml.published((options[:published] || record.created_at).xmlschema)
-            end
-
-            if options[:updated] || (record.respond_to?(:updated_at) && record.updated_at)
-              @xml.updated((options[:updated] || record.updated_at).xmlschema)
-            end
-
-            type = options.fetch(:type, 'text/html')
-
-            @xml.link(:rel => 'alternate', :type => type, :href => options[:url] || @view.polymorphic_url(record))
-
-            yield AtomBuilder.new(@xml)
-          end
-        end
-      end
-
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/cache_helper.rb b/actionpack/lib/action_view/helpers/cache_helper.rb
deleted file mode 100644
index 8fc78ea7fb..0000000000
--- a/actionpack/lib/action_view/helpers/cache_helper.rb
+++ /dev/null
@@ -1,196 +0,0 @@
-module ActionView
-  # = Action View Cache Helper
-  module Helpers
-    module CacheHelper
-      # This helper exposes a method for caching fragments of a view
-      # rather than an entire action or page. This technique is useful
-      # caching pieces like menus, lists of newstopics, static HTML
-      # fragments, and so on. This method takes a block that contains
-      # the content you wish to cache.
-      #
-      # The best way to use this is by doing key-based cache expiration
-      # on top of a cache store like Memcached that'll automatically
-      # kick out old entries. For more on key-based expiration, see:
-      # http://37signals.com/svn/posts/3113-how-key-based-cache-expiration-works
-      #
-      # When using this method, you list the cache dependency as the name of the cache, like so:
-      #
-      #   <% cache project do %>
-      #     <b>All the topics on this project</b>
-      #     <%= render project.topics %>
-      #   <% end %>
-      #
-      # This approach will assume that when a new topic is added, you'll touch
-      # the project. The cache key generated from this call will be something like:
-      #
-      #   views/projects/123-20120806214154/7a1156131a6928cb0026877f8b749ac9
-      #         ^class   ^id ^updated_at    ^template tree digest
-      #
-      # The cache is thus automatically bumped whenever the project updated_at is touched.
-      #
-      # If your template cache depends on multiple sources (try to avoid this to keep things simple),
-      # you can name all these dependencies as part of an array:
-      #
-      #   <% cache [ project, current_user ] do %>
-      #     <b>All the topics on this project</b>
-      #     <%= render project.topics %>
-      #   <% end %>
-      #
-      # This will include both records as part of the cache key and updating either of them will
-      # expire the cache.
-      #
-      # ==== Template digest
-      #
-      # The template digest that's added to the cache key is computed by taking an md5 of the
-      # contents of the entire template file. This ensures that your caches will automatically
-      # expire when you change the template file.
-      #
-      # Note that the md5 is taken of the entire template file, not just what's within the
-      # cache do/end call. So it's possible that changing something outside of that call will
-      # still expire the cache.
-      #
-      # Additionally, the digestor will automatically look through your template file for
-      # explicit and implicit dependencies, and include those as part of the digest.
-      #
-      # The digestor can be bypassed by passing skip_digest: true as an option to the cache call:
-      #
-      #   <% cache project, skip_digest: true do %>
-      #     <b>All the topics on this project</b>
-      #     <%= render project.topics %>
-      #   <% end %>
-      #
-      # ==== Implicit dependencies
-      #
-      # Most template dependencies can be derived from calls to render in the template itself.
-      # Here are some examples of render calls that Cache Digests knows how to decode:
-      #
-      #   render partial: "comments/comment", collection: commentable.comments
-      #   render "comments/comments"
-      #   render 'comments/comments'
-      #   render('comments/comments')
-      #
-      #   render "header" => render("comments/header")
-      #
-      #   render(@topic)         => render("topics/topic")
-      #   render(topics)         => render("topics/topic")
-      #   render(message.topics) => render("topics/topic")
-      #
-      # It's not possible to derive all render calls like that, though. Here are a few examples of things that can't be derived:
-      #
-      #   render group_of_attachments
-      #   render @project.documents.where(published: true).order('created_at')
-      #
-      # You will have to rewrite those to the explicit form:
-      #
-      #   render partial: 'attachments/attachment', collection: group_of_attachments
-      #   render partial: 'documents/document', collection: @project.documents.where(published: true).order('created_at')
-      #
-      # === Explicit dependencies
-      #
-      # Some times you'll have template dependencies that can't be derived at all. This is typically
-      # the case when you have template rendering that happens in helpers. Here's an example:
-      #
-      #   <%= render_sortable_todolists @project.todolists %>
-      #
-      # You'll need to use a special comment format to call those out:
-      #
-      #   <%# Template Dependency: todolists/todolist %>
-      #   <%= render_sortable_todolists @project.todolists %>
-      #
-      # The pattern used to match these is /# Template Dependency: ([^ ]+)/, so it's important that you type it out just so.
-      # You can only declare one template dependency per line.
-      #
-      # === External dependencies
-      #
-      # If you use a helper method, for example, inside of a cached block and you then update that helper,
-      # you'll have to bump the cache as well. It doesn't really matter how you do it, but the md5 of the template file
-      # must change. One recommendation is to simply be explicit in a comment, like:
-      #
-      #   <%# Helper Dependency Updated: May 6, 2012 at 6pm %>
-      #   <%= some_helper_method(person) %>
-      #
-      # Now all you'll have to do is change that timestamp when the helper method changes.
-      def cache(name = {}, options = nil, &block)
-        if controller.perform_caching
-          safe_concat(fragment_for(cache_fragment_name(name, options), options, &block))
-        else
-          yield
-        end
-
-        nil
-      end
-
-      # Cache fragments of a view if +condition+ is true
-      #
-      #   <%= cache_if admin?, project do %>
-      #     <b>All the topics on this project</b>
-      #     <%= render project.topics %>
-      #   <% end %>
-      def cache_if(condition, name = {}, options = nil, &block)
-        if condition
-          cache(name, options, &block)
-        else
-          yield
-        end
-
-        nil
-      end
-
-      # Cache fragments of a view unless +condition+ is true
-      #
-      #   <%= cache_unless admin?, project do %>
-      #     <b>All the topics on this project</b>
-      #     <%= render project.topics %>
-      #   <% end %>
-      def cache_unless(condition, name = {}, options = nil, &block)
-        cache_if !condition, name, options, &block
-      end
-
-      # This helper returns the name of a cache key for a given fragment cache
-      # call. By supplying skip_digest: true to cache, the digestion of cache
-      # fragments can be manually bypassed. This is useful when cache fragments
-      # cannot be manually expired unless you know the exact key which is the
-      # case when using memcached.
-      def cache_fragment_name(name = {}, options = nil)
-        skip_digest = options && options[:skip_digest]
-
-        if skip_digest
-          name
-        else
-          fragment_name_with_digest(name)
-        end
-      end
-
-    private
-
-      def fragment_name_with_digest(name) #:nodoc:
-        if @virtual_path
-          [
-            *Array(name.is_a?(Hash) ? controller.url_for(name).split("://").last : name),
-            Digestor.digest(@virtual_path, formats.last.to_sym, lookup_context, dependencies: view_cache_dependencies)
-          ]
-        else
-          name
-        end
-      end
-
-      # TODO: Create an object that has caching read/write on it
-      def fragment_for(name = {}, options = nil, &block) #:nodoc:
-        if fragment = controller.read_fragment(name, options)
-          fragment
-        else
-          # VIEW TODO: Make #capture usable outside of ERB
-          # This dance is needed because Builder can't use capture
-          pos = output_buffer.length
-          yield
-          output_safe = output_buffer.html_safe?
-          fragment = output_buffer.slice!(pos..-1)
-          if output_safe
-            self.output_buffer = output_buffer.class.new(output_buffer)
-          end
-          controller.write_fragment(name, fragment, options)
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/capture_helper.rb b/actionpack/lib/action_view/helpers/capture_helper.rb
deleted file mode 100644
index 5afe435459..0000000000
--- a/actionpack/lib/action_view/helpers/capture_helper.rb
+++ /dev/null
@@ -1,216 +0,0 @@
-require 'active_support/core_ext/string/output_safety'
-
-module ActionView
-  # = Action View Capture Helper
-  module Helpers
-    # CaptureHelper exposes methods to let you extract generated markup which
-    # can be used in other parts of a template or layout file.
-    #
-    # It provides a method to capture blocks into variables through capture and
-    # a way to capture a block of markup for use in a layout through content_for.
-    module CaptureHelper
-      # The capture method allows you to extract part of a template into a
-      # variable. You can then use this variable anywhere in your templates or layout.
-      #
-      # The capture method can be used in ERB templates...
-      #
-      #   <% @greeting = capture do %>
-      #     Welcome to my shiny new web page!  The date and time is
-      #     <%= Time.now %>
-      #   <% end %>
-      #
-      # ...and Builder (RXML) templates.
-      #
-      #   @timestamp = capture do
-      #     "The current timestamp is #{Time.now}."
-      #   end
-      #
-      # You can then use that variable anywhere else. For example:
-      #
-      #   <html>
-      #   <head><title><%= @greeting %></title></head>
-      #   <body>
-      #   <b><%= @greeting %></b>
-      #   </body></html>
-      #
-      def capture(*args)
-        value = nil
-        buffer = with_output_buffer { value = yield(*args) }
-        if string = buffer.presence || value and string.is_a?(String)
-          ERB::Util.html_escape string
-        end
-      end
-
-      # Calling content_for stores a block of markup in an identifier for later use.
-      # In order to access this stored content in other templates, helper modules
-      # or the layout, you would pass the identifier as an argument to <tt>content_for</tt>.
-      #
-      # Note: <tt>yield</tt> can still be used to retrieve the stored content, but calling
-      # <tt>yield</tt> doesn't work in helper modules, while <tt>content_for</tt> does.
-      #
-      #   <% content_for :not_authorized do %>
-      #     alert('You are not authorized to do that!')
-      #   <% end %>
-      #
-      # You can then use <tt>content_for :not_authorized</tt> anywhere in your templates.
-      #
-      #   <%= content_for :not_authorized if current_user.nil? %>
-      #
-      # This is equivalent to:
-      #
-      #   <%= yield :not_authorized if current_user.nil? %>
-      #
-      # <tt>content_for</tt>, however, can also be used in helper modules.
-      #
-      #   module StorageHelper
-      #     def stored_content
-      #       content_for(:storage) || "Your storage is empty"
-      #     end
-      #   end
-      #
-      # This helper works just like normal helpers.
-      #
-      #   <%= stored_content %>
-      #
-      # You can also use the <tt>yield</tt> syntax alongside an existing call to
-      # <tt>yield</tt> in a layout. For example:
-      #
-      #   <%# This is the layout %>
-      #   <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
-      #   <head>
-      #     <title>My Website</title>
-      #     <%= yield :script %>
-      #   </head>
-      #   <body>
-      #     <%= yield %>
-      #   </body>
-      #   </html>
-      #
-      # And now, we'll create a view that has a <tt>content_for</tt> call that
-      # creates the <tt>script</tt> identifier.
-      #
-      #   <%# This is our view %>
-      #   Please login!
-      #
-      #   <% content_for :script do %>
-      #     <script>alert('You are not authorized to view this page!')</script>
-      #   <% end %>
-      #
-      # Then, in another view, you could to do something like this:
-      #
-      #   <%= link_to 'Logout', action: 'logout', remote: true %>
-      #
-      #   <% content_for :script do %>
-      #     <%= javascript_include_tag :defaults %>
-      #   <% end %>
-      #
-      # That will place +script+ tags for your default set of JavaScript files on the page;
-      # this technique is useful if you'll only be using these scripts in a few views.
-      #
-      # Note that content_for concatenates (default) the blocks it is given for a particular
-      # identifier in order. For example:
-      #
-      #   <% content_for :navigation do %>
-      #     <li><%= link_to 'Home', action: 'index' %></li>
-      #   <% end %>
-      #
-      #  And in other place:
-      #
-      #   <% content_for :navigation do %>
-      #     <li><%= link_to 'Login', action: 'login' %></li>
-      #   <% end %>
-      #
-      # Then, in another template or layout, this code would render both links in order:
-      #
-      #   <ul><%= content_for :navigation %></ul>
-      #
-      # If the flush parameter is true content_for replaces the blocks it is given. For example:
-      #
-      #   <% content_for :navigation do %>
-      #     <li><%= link_to 'Home', action: 'index' %></li>
-      #   <% end %>
-      #
-      #   <%#  Add some other content, or use a different template: %>
-      #
-      #   <% content_for :navigation, flush: true do %>
-      #     <li><%= link_to 'Login', action: 'login' %></li>
-      #   <% end %>
-      #
-      # Then, in another template or layout, this code would render only the last link:
-      #
-      #   <ul><%= content_for :navigation %></ul>
-      #
-      # Lastly, simple content can be passed as a parameter:
-      #
-      #   <% content_for :script, javascript_include_tag(:defaults) %>
-      #
-      # WARNING: content_for is ignored in caches. So you shouldn't use it for elements that will be fragment cached.
-      def content_for(name, content = nil, options = {}, &block)
-        if content || block_given?
-          if block_given?
-            options = content if content
-            content = capture(&block)
-          end
-          if content
-            options[:flush] ? @view_flow.set(name, content) : @view_flow.append(name, content)
-          end
-          nil
-        else
-          @view_flow.get(name).presence
-        end
-      end
-
-      # The same as +content_for+ but when used with streaming flushes
-      # straight back to the layout. In other words, if you want to
-      # concatenate several times to the same buffer when rendering a given
-      # template, you should use +content_for+, if not, use +provide+ to tell
-      # the layout to stop looking for more contents.
-      def provide(name, content = nil, &block)
-        content = capture(&block) if block_given?
-        result = @view_flow.append!(name, content) if content
-        result unless content
-      end
-
-      # content_for? checks whether any content has been captured yet using `content_for`.
-      # Useful to render parts of your layout differently based on what is in your views.
-      #
-      #   <%# This is the layout %>
-      #   <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
-      #   <head>
-      #     <title>My Website</title>
-      #     <%= yield :script %>
-      #   </head>
-      #   <body class="<%= content_for?(:right_col) ? 'two-column' : 'one-column' %>">
-      #     <%= yield %>
-      #     <%= yield :right_col %>
-      #   </body>
-      #   </html>
-      def content_for?(name)
-        @view_flow.get(name).present?
-      end
-
-      # Use an alternate output buffer for the duration of the block.
-      # Defaults to a new empty string.
-      def with_output_buffer(buf = nil) #:nodoc:
-        unless buf
-          buf = ActionView::OutputBuffer.new
-          buf.force_encoding(output_buffer.encoding) if output_buffer
-        end
-        self.output_buffer, old_buffer = buf, output_buffer
-        yield
-        output_buffer
-      ensure
-        self.output_buffer = old_buffer
-      end
-
-      # Add the output buffer to the response body and start a new one.
-      def flush_output_buffer #:nodoc:
-        if output_buffer && !output_buffer.empty?
-          response.stream.write output_buffer
-          self.output_buffer = output_buffer.respond_to?(:clone_empty) ? output_buffer.clone_empty : output_buffer[0, 0]
-          nil
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/controller_helper.rb b/actionpack/lib/action_view/helpers/controller_helper.rb
deleted file mode 100644
index 74ef25f7c1..0000000000
--- a/actionpack/lib/action_view/helpers/controller_helper.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-require 'active_support/core_ext/module/attr_internal'
-
-module ActionView
-  module Helpers
-    # This module keeps all methods and behavior in ActionView
-    # that simply delegates to the controller.
-    module ControllerHelper #:nodoc:
-      attr_internal :controller, :request
-
-      delegate :request_forgery_protection_token, :params, :session, :cookies, :response, :headers,
-               :flash, :action_name, :controller_name, :controller_path, :to => :controller
-
-      def assign_controller(controller)
-        if @_controller = controller
-          @_request = controller.request if controller.respond_to?(:request)
-          @_config  = controller.config.inheritable_copy if controller.respond_to?(:config)
-        end
-      end
-
-      def logger
-        controller.logger if controller.respond_to?(:logger)
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/csrf_helper.rb b/actionpack/lib/action_view/helpers/csrf_helper.rb
deleted file mode 100644
index eeb0ed94b9..0000000000
--- a/actionpack/lib/action_view/helpers/csrf_helper.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-module ActionView
-  # = Action View CSRF Helper
-  module Helpers
-    module CsrfHelper
-      # Returns meta tags "csrf-param" and "csrf-token" with the name of the cross-site
-      # request forgery protection parameter and token, respectively.
-      #
-      #   <head>
-      #     <%= csrf_meta_tags %>
-      #   </head>
-      #
-      # These are used to generate the dynamic forms that implement non-remote links with
-      # <tt>:method</tt>.
-      #
-      # Note that regular forms generate hidden fields, and that Ajax calls are whitelisted,
-      # so they do not use these tags.
-      def csrf_meta_tags
-        if protect_against_forgery?
-          [
-            tag('meta', :name => 'csrf-param', :content => request_forgery_protection_token),
-            tag('meta', :name => 'csrf-token', :content => form_authenticity_token)
-          ].join("\n").html_safe
-        end
-      end
-
-      # For backwards compatibility.
-      alias csrf_meta_tag csrf_meta_tags
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/date_helper.rb b/actionpack/lib/action_view/helpers/date_helper.rb
deleted file mode 100644
index 8fb5eb1548..0000000000
--- a/actionpack/lib/action_view/helpers/date_helper.rb
+++ /dev/null
@@ -1,1083 +0,0 @@
-require 'date'
-require 'action_view/helpers/tag_helper'
-require 'active_support/core_ext/array/extract_options'
-require 'active_support/core_ext/date/conversions'
-require 'active_support/core_ext/hash/slice'
-require 'active_support/core_ext/object/with_options'
-
-module ActionView
-  module Helpers
-    # = Action View Date Helpers
-    #
-    # The Date Helper primarily creates select/option tags for different kinds of dates and times or date and time
-    # elements. All of the select-type methods share a number of common options that are as follows:
-    #
-    # * <tt>:prefix</tt> - overwrites the default prefix of "date" used for the select names. So specifying "birthday"
-    #   would give \birthday[month] instead of \date[month] if passed to the <tt>select_month</tt> method.
-    # * <tt>:include_blank</tt> - set to true if it should be possible to set an empty date.
-    # * <tt>:discard_type</tt> - set to true if you want to discard the type part of the select name. If set to true,
-    #   the <tt>select_month</tt> method would use simply "date" (which can be overwritten using <tt>:prefix</tt>) instead
-    #   of \date[month].
-    module DateHelper
-      # Reports the approximate distance in time between two Time, Date or DateTime objects or integers as seconds.
-      # Pass <tt>include_seconds: true</tt> if you want more detailed approximations when distance < 1 min, 29 secs.
-      # Distances are reported based on the following table:
-      #
-      #   0 <-> 29 secs                                                             # => less than a minute
-      #   30 secs <-> 1 min, 29 secs                                                # => 1 minute
-      #   1 min, 30 secs <-> 44 mins, 29 secs                                       # => [2..44] minutes
-      #   44 mins, 30 secs <-> 89 mins, 29 secs                                     # => about 1 hour
-      #   89 mins, 30 secs <-> 23 hrs, 59 mins, 29 secs                             # => about [2..24] hours
-      #   23 hrs, 59 mins, 30 secs <-> 41 hrs, 59 mins, 29 secs                     # => 1 day
-      #   41 hrs, 59 mins, 30 secs  <-> 29 days, 23 hrs, 59 mins, 29 secs           # => [2..29] days
-      #   29 days, 23 hrs, 59 mins, 30 secs <-> 44 days, 23 hrs, 59 mins, 29 secs   # => about 1 month
-      #   44 days, 23 hrs, 59 mins, 30 secs <-> 59 days, 23 hrs, 59 mins, 29 secs   # => about 2 months
-      #   59 days, 23 hrs, 59 mins, 30 secs <-> 1 yr minus 1 sec                    # => [2..12] months
-      #   1 yr <-> 1 yr, 3 months                                                   # => about 1 year
-      #   1 yr, 3 months <-> 1 yr, 9 months                                         # => over 1 year
-      #   1 yr, 9 months <-> 2 yr minus 1 sec                                       # => almost 2 years
-      #   2 yrs <-> max time or date                                                # => (same rules as 1 yr)
-      #
-      # With <tt>include_seconds: true</tt> and the difference < 1 minute 29 seconds:
-      #   0-4   secs      # => less than 5 seconds
-      #   5-9   secs      # => less than 10 seconds
-      #   10-19 secs      # => less than 20 seconds
-      #   20-39 secs      # => half a minute
-      #   40-59 secs      # => less than a minute
-      #   60-89 secs      # => 1 minute
-      #
-      #   from_time = Time.now
-      #   distance_of_time_in_words(from_time, from_time + 50.minutes)                                # => about 1 hour
-      #   distance_of_time_in_words(from_time, 50.minutes.from_now)                                   # => about 1 hour
-      #   distance_of_time_in_words(from_time, from_time + 15.seconds)                                # => less than a minute
-      #   distance_of_time_in_words(from_time, from_time + 15.seconds, include_seconds: true)      # => less than 20 seconds
-      #   distance_of_time_in_words(from_time, 3.years.from_now)                                      # => about 3 years
-      #   distance_of_time_in_words(from_time, from_time + 60.hours)                                  # => 3 days
-      #   distance_of_time_in_words(from_time, from_time + 45.seconds, include_seconds: true)      # => less than a minute
-      #   distance_of_time_in_words(from_time, from_time - 45.seconds, include_seconds: true)      # => less than a minute
-      #   distance_of_time_in_words(from_time, 76.seconds.from_now)                                   # => 1 minute
-      #   distance_of_time_in_words(from_time, from_time + 1.year + 3.days)                           # => about 1 year
-      #   distance_of_time_in_words(from_time, from_time + 3.years + 6.months)                        # => over 3 years
-      #   distance_of_time_in_words(from_time, from_time + 4.years + 9.days + 30.minutes + 5.seconds) # => about 4 years
-      #
-      #   to_time = Time.now + 6.years + 19.days
-      #   distance_of_time_in_words(from_time, to_time, include_seconds: true)                     # => about 6 years
-      #   distance_of_time_in_words(to_time, from_time, include_seconds: true)                     # => about 6 years
-      #   distance_of_time_in_words(Time.now, Time.now)                                               # => less than a minute
-      def distance_of_time_in_words(from_time, to_time = 0, include_seconds_or_options = {}, options = {})
-        if include_seconds_or_options.is_a?(Hash)
-          options = include_seconds_or_options
-        else
-          ActiveSupport::Deprecation.warn "distance_of_time_in_words and time_ago_in_words now accept :include_seconds " +
-                                          "as a part of options hash, not a boolean argument"
-          options[:include_seconds] ||= !!include_seconds_or_options
-        end
-
-        options = {
-          scope: :'datetime.distance_in_words'
-        }.merge!(options)
-
-        from_time = from_time.to_time if from_time.respond_to?(:to_time)
-        to_time = to_time.to_time if to_time.respond_to?(:to_time)
-        from_time, to_time = to_time, from_time if from_time > to_time
-        distance_in_minutes = ((to_time - from_time)/60.0).round
-        distance_in_seconds = (to_time - from_time).round
-
-        I18n.with_options :locale => options[:locale], :scope => options[:scope] do |locale|
-          case distance_in_minutes
-            when 0..1
-              return distance_in_minutes == 0 ?
-                     locale.t(:less_than_x_minutes, :count => 1) :
-                     locale.t(:x_minutes, :count => distance_in_minutes) unless options[:include_seconds]
-
-              case distance_in_seconds
-                when 0..4   then locale.t :less_than_x_seconds, :count => 5
-                when 5..9   then locale.t :less_than_x_seconds, :count => 10
-                when 10..19 then locale.t :less_than_x_seconds, :count => 20
-                when 20..39 then locale.t :half_a_minute
-                when 40..59 then locale.t :less_than_x_minutes, :count => 1
-                else             locale.t :x_minutes,           :count => 1
-              end
-
-            when 2...45           then locale.t :x_minutes,      :count => distance_in_minutes
-            when 45...90          then locale.t :about_x_hours,  :count => 1
-            # 90 mins up to 24 hours
-            when 90...1440        then locale.t :about_x_hours,  :count => (distance_in_minutes.to_f / 60.0).round
-            # 24 hours up to 42 hours
-            when 1440...2520      then locale.t :x_days,         :count => 1
-            # 42 hours up to 30 days
-            when 2520...43200     then locale.t :x_days,         :count => (distance_in_minutes.to_f / 1440.0).round
-            # 30 days up to 60 days
-            when 43200...86400    then locale.t :about_x_months, :count => (distance_in_minutes.to_f / 43200.0).round
-            # 60 days up to 365 days
-            when 86400...525600   then locale.t :x_months,       :count => (distance_in_minutes.to_f / 43200.0).round
-            else
-              if from_time.acts_like?(:time) && to_time.acts_like?(:time)
-                fyear = from_time.year
-                fyear += 1 if from_time.month >= 3
-                tyear = to_time.year
-                tyear -= 1 if to_time.month < 3
-                leap_years = (fyear > tyear) ? 0 : (fyear..tyear).count{|x| Date.leap?(x)}
-                minute_offset_for_leap_year = leap_years * 1440
-                # Discount the leap year days when calculating year distance.
-                # e.g. if there are 20 leap year days between 2 dates having the same day
-                # and month then the based on 365 days calculation
-                # the distance in years will come out to over 80 years when in written
-                # english it would read better as about 80 years.
-                minutes_with_offset = distance_in_minutes - minute_offset_for_leap_year
-              else
-                minutes_with_offset = distance_in_minutes
-              end
-              remainder                   = (minutes_with_offset % 525600)
-              distance_in_years           = (minutes_with_offset.div 525600)
-              if remainder < 131400
-                locale.t(:about_x_years,  :count => distance_in_years)
-              elsif remainder < 394200
-                locale.t(:over_x_years,   :count => distance_in_years)
-              else
-                locale.t(:almost_x_years, :count => distance_in_years + 1)
-              end
-          end
-        end
-      end
-
-      # Like <tt>distance_of_time_in_words</tt>, but where <tt>to_time</tt> is fixed to <tt>Time.now</tt>.
-      #
-      #   time_ago_in_words(3.minutes.from_now)                 # => 3 minutes
-      #   time_ago_in_words(3.minutes.ago)                      # => 3 minutes
-      #   time_ago_in_words(Time.now - 15.hours)                # => about 15 hours
-      #   time_ago_in_words(Time.now)                           # => less than a minute
-      #   time_ago_in_words(Time.now, include_seconds: true) # => less than 5 seconds
-      #
-      #   from_time = Time.now - 3.days - 14.minutes - 25.seconds
-      #   time_ago_in_words(from_time)      # => 3 days
-      #
-      #   from_time = (3.days + 14.minutes + 25.seconds).ago
-      #   time_ago_in_words(from_time)      # => 3 days
-      #
-      # Note that you cannot pass a <tt>Numeric</tt> value to <tt>time_ago_in_words</tt>.
-      #
-      def time_ago_in_words(from_time, include_seconds_or_options = {})
-        distance_of_time_in_words(from_time, Time.now, include_seconds_or_options)
-      end
-
-      alias_method :distance_of_time_in_words_to_now, :time_ago_in_words
-
-      # Returns a set of select tags (one for year, month, and day) pre-selected for accessing a specified date-based
-      # attribute (identified by +method+) on an object assigned to the template (identified by +object+).
-      #
-      # ==== Options
-      # * <tt>:use_month_numbers</tt> - Set to true if you want to use month numbers rather than month names (e.g.
-      #   "2" instead of "February").
-      # * <tt>:use_two_digit_numbers</tt> - Set to true if you want to display two digit month and day numbers (e.g.
-      #   "02" instead of "February" and "08" instead of "8").
-      # * <tt>:use_short_month</tt>   - Set to true if you want to use abbreviated month names instead of full
-      #   month names (e.g. "Feb" instead of "February").
-      # * <tt>:add_month_numbers</tt>  - Set to true if you want to use both month numbers and month names (e.g.
-      #   "2 - February" instead of "February").
-      # * <tt>:use_month_names</tt>   - Set to an array with 12 month names if you want to customize month names.
-      #   Note: You can also use Rails' i18n functionality for this.
-      # * <tt>:date_separator</tt>    - Specifies a string to separate the date fields. Default is "" (i.e. nothing).
-      # * <tt>:start_year</tt>        - Set the start year for the year select. Default is <tt>Time.now.year - 5</tt>.
-      # * <tt>:end_year</tt>          - Set the end year for the year select. Default is <tt>Time.now.year + 5</tt>.
-      # * <tt>:discard_day</tt>       - Set to true if you don't want to show a day select. This includes the day
-      #   as a hidden field instead of showing a select field. Also note that this implicitly sets the day to be the
-      #   first of the given month in order to not create invalid dates like 31 February.
-      # * <tt>:discard_month</tt>     - Set to true if you don't want to show a month select. This includes the month
-      #   as a hidden field instead of showing a select field. Also note that this implicitly sets :discard_day to true.
-      # * <tt>:discard_year</tt>      - Set to true if you don't want to show a year select. This includes the year
-      #   as a hidden field instead of showing a select field.
-      # * <tt>:order</tt>             - Set to an array containing <tt>:day</tt>, <tt>:month</tt> and <tt>:year</tt> to
-      #   customize the order in which the select fields are shown. If you leave out any of the symbols, the respective
-      #   select will not be shown (like when you set <tt>discard_xxx: true</tt>. Defaults to the order defined in
-      #   the respective locale (e.g. [:year, :month, :day] in the en locale that ships with Rails).
-      # * <tt>:include_blank</tt>     - Include a blank option in every select field so it's possible to set empty
-      #   dates.
-      # * <tt>:default</tt>           - Set a default date if the affected date isn't set or is nil.
-      # * <tt>:selected</tt>          - Set a date that overrides the actual value.
-      # * <tt>:disabled</tt>          - Set to true if you want show the select fields as disabled.
-      # * <tt>:prompt</tt>            - Set to true (for a generic prompt), a prompt string or a hash of prompt strings
-      #   for <tt>:year</tt>, <tt>:month</tt>, <tt>:day</tt>, <tt>:hour</tt>, <tt>:minute</tt> and <tt>:second</tt>.
-      #   Setting this option prepends a select option with a generic prompt  (Day, Month, Year, Hour, Minute, Seconds)
-      #   or the given prompt string.
-      # * <tt>:with_css_classes</tt>   - Set to true if you want assign different styles for 'select' tags. This option
-      #   automatically set classes 'year', 'month', 'day', 'hour', 'minute' and 'second' for your 'select' tags.
-      #
-      # If anything is passed in the +html_options+ hash it will be applied to every select tag in the set.
-      #
-      # NOTE: Discarded selects will default to 1. So if no month select is available, January will be assumed.
-      #
-      #   # Generates a date select that when POSTed is stored in the article variable, in the written_on attribute.
-      #   date_select("article", "written_on")
-      #
-      #   # Generates a date select that when POSTed is stored in the article variable, in the written_on attribute,
-      #   # with the year in the year drop down box starting at 1995.
-      #   date_select("article", "written_on", start_year: 1995)
-      #
-      #   # Generates a date select that when POSTed is stored in the article variable, in the written_on attribute,
-      #   # with the year in the year drop down box starting at 1995, numbers used for months instead of words,
-      #   # and without a day select box.
-      #   date_select("article", "written_on", start_year: 1995, use_month_numbers: true,
-      #                                     discard_day: true, include_blank: true)
-      #
-      #   # Generates a date select that when POSTed is stored in the article variable, in the written_on attribute,
-      #   # with two digit numbers used for months and days.
-      #   date_select("article", "written_on", use_two_digit_numbers: true)
-      #
-      #   # Generates a date select that when POSTed is stored in the article variable, in the written_on attribute
-      #   # with the fields ordered as day, month, year rather than month, day, year.
-      #   date_select("article", "written_on", order: [:day, :month, :year])
-      #
-      #   # Generates a date select that when POSTed is stored in the user variable, in the birthday attribute
-      #   # lacking a year field.
-      #   date_select("user", "birthday", order: [:month, :day])
-      #
-      #   # Generates a date select that when POSTed is stored in the article variable, in the written_on attribute
-      #   # which is initially set to the date 3 days from the current date
-      #   date_select("article", "written_on", default: 3.days.from_now)
-      #
-      #   # Generates a date select that when POSTed is stored in the article variable, in the written_on attribute
-      #   # which is set in the form with todays date, regardless of the value in the Active Record object.
-      #   date_select("article", "written_on", selected: Date.today)
-      #
-      #   # Generates a date select that when POSTed is stored in the credit_card variable, in the bill_due attribute
-      #   # that will have a default day of 20.
-      #   date_select("credit_card", "bill_due", default: { day: 20 })
-      #
-      #   # Generates a date select with custom prompts.
-      #   date_select("article", "written_on", prompt: { day: 'Select day', month: 'Select month', year: 'Select year' })
-      #
-      # The selects are prepared for multi-parameter assignment to an Active Record object.
-      #
-      # Note: If the day is not included as an option but the month is, the day will be set to the 1st to ensure that
-      # all month choices are valid.
-      def date_select(object_name, method, options = {}, html_options = {})
-        Tags::DateSelect.new(object_name, method, self, options, html_options).render
-      end
-
-      # Returns a set of select tags (one for hour, minute and optionally second) pre-selected for accessing a
-      # specified time-based attribute (identified by +method+) on an object assigned to the template (identified by
-      # +object+). You can include the seconds with <tt>:include_seconds</tt>. You can get hours in the AM/PM format
-      # with <tt>:ampm</tt> option.
-      #
-      # This method will also generate 3 input hidden tags, for the actual year, month and day unless the option
-      # <tt>:ignore_date</tt> is set to +true+. If you set the <tt>:ignore_date</tt> to +true+, you must have a
-      # +date_select+ on the same method within the form otherwise an exception will be raised.
-      #
-      # If anything is passed in the html_options hash it will be applied to every select tag in the set.
-      #
-      #   # Creates a time select tag that, when POSTed, will be stored in the article variable in the sunrise attribute.
-      #   time_select("article", "sunrise")
-      #
-      #   # Creates a time select tag with a seconds field that, when POSTed, will be stored in the article variables in
-      #   # the sunrise attribute.
-      #   time_select("article", "start_time", include_seconds: true)
-      #
-      #   # You can set the <tt>:minute_step</tt> to 15 which will give you: 00, 15, 30 and 45.
-      #   time_select 'game', 'game_time', {minute_step: 15}
-      #
-      #   # Creates a time select tag with a custom prompt. Use <tt>prompt: true</tt> for generic prompts.
-      #   time_select("article", "written_on", prompt: {hour: 'Choose hour', minute: 'Choose minute', second: 'Choose seconds'})
-      #   time_select("article", "written_on", prompt: {hour: true}) # generic prompt for hours
-      #   time_select("article", "written_on", prompt: true) # generic prompts for all
-      #
-      #   # You can set :ampm option to true which will show the hours as: 12 PM, 01 AM .. 11 PM.
-      #   time_select 'game', 'game_time', {ampm: true}
-      #
-      # The selects are prepared for multi-parameter assignment to an Active Record object.
-      #
-      # Note: If the day is not included as an option but the month is, the day will be set to the 1st to ensure that
-      # all month choices are valid.
-      def time_select(object_name, method, options = {}, html_options = {})
-        Tags::TimeSelect.new(object_name, method, self, options, html_options).render
-      end
-
-      # Returns a set of select tags (one for year, month, day, hour, and minute) pre-selected for accessing a
-      # specified datetime-based attribute (identified by +method+) on an object assigned to the template (identified
-      # by +object+).
-      #
-      # If anything is passed in the html_options hash it will be applied to every select tag in the set.
-      #
-      #   # Generates a datetime select that, when POSTed, will be stored in the article variable in the written_on
-      #   # attribute.
-      #   datetime_select("article", "written_on")
-      #
-      #   # Generates a datetime select with a year select that starts at 1995 that, when POSTed, will be stored in the
-      #   # article variable in the written_on attribute.
-      #   datetime_select("article", "written_on", start_year: 1995)
-      #
-      #   # Generates a datetime select with a default value of 3 days from the current time that, when POSTed, will
-      #   # be stored in the trip variable in the departing attribute.
-      #   datetime_select("trip", "departing", default: 3.days.from_now)
-      #
-      #   # Generate a datetime select with hours in the AM/PM format
-      #   datetime_select("article", "written_on", ampm: true)
-      #
-      #   # Generates a datetime select that discards the type that, when POSTed, will be stored in the article variable
-      #   # as the written_on attribute.
-      #   datetime_select("article", "written_on", discard_type: true)
-      #
-      #   # Generates a datetime select with a custom prompt. Use <tt>prompt: true</tt> for generic prompts.
-      #   datetime_select("article", "written_on", prompt: {day: 'Choose day', month: 'Choose month', year: 'Choose year'})
-      #   datetime_select("article", "written_on", prompt: {hour: true}) # generic prompt for hours
-      #   datetime_select("article", "written_on", prompt: true) # generic prompts for all
-      #
-      # The selects are prepared for multi-parameter assignment to an Active Record object.
-      def datetime_select(object_name, method, options = {}, html_options = {})
-        Tags::DatetimeSelect.new(object_name, method, self, options, html_options).render
-      end
-
-      # Returns a set of html select-tags (one for year, month, day, hour, minute, and second) pre-selected with the
-      # +datetime+. It's also possible to explicitly set the order of the tags using the <tt>:order</tt> option with
-      # an array of symbols <tt>:year</tt>, <tt>:month</tt> and <tt>:day</tt> in the desired order. If you do not
-      # supply a Symbol, it will be appended onto the <tt>:order</tt> passed in. You can also add
-      # <tt>:date_separator</tt>, <tt>:datetime_separator</tt> and <tt>:time_separator</tt> keys to the +options+ to
-      # control visual display of the elements.
-      #
-      # If anything is passed in the html_options hash it will be applied to every select tag in the set.
-      #
-      #   my_date_time = Time.now + 4.days
-      #
-      #   # Generates a datetime select that defaults to the datetime in my_date_time (four days after today).
-      #   select_datetime(my_date_time)
-      #
-      #   # Generates a datetime select that defaults to today (no specified datetime)
-      #   select_datetime()
-      #
-      #   # Generates a datetime select that defaults to the datetime in my_date_time (four days after today)
-      #   # with the fields ordered year, month, day rather than month, day, year.
-      #   select_datetime(my_date_time, order: [:year, :month, :day])
-      #
-      #   # Generates a datetime select that defaults to the datetime in my_date_time (four days after today)
-      #   # with a '/' between each date field.
-      #   select_datetime(my_date_time, date_separator: '/')
-      #
-      #   # Generates a datetime select that defaults to the datetime in my_date_time (four days after today)
-      #   # with a date fields separated by '/', time fields separated by '' and the date and time fields
-      #   # separated by a comma (',').
-      #   select_datetime(my_date_time, date_separator: '/', time_separator: '', datetime_separator: ',')
-      #
-      #   # Generates a datetime select that discards the type of the field and defaults to the datetime in
-      #   # my_date_time (four days after today)
-      #   select_datetime(my_date_time, discard_type: true)
-      #
-      #   # Generate a datetime field with hours in the AM/PM format
-      #   select_datetime(my_date_time, ampm: true)
-      #
-      #   # Generates a datetime select that defaults to the datetime in my_date_time (four days after today)
-      #   # prefixed with 'payday' rather than 'date'
-      #   select_datetime(my_date_time, prefix: 'payday')
-      #
-      #   # Generates a datetime select with a custom prompt. Use <tt>prompt: true</tt> for generic prompts.
-      #   select_datetime(my_date_time, prompt: {day: 'Choose day', month: 'Choose month', year: 'Choose year'})
-      #   select_datetime(my_date_time, prompt: {hour: true}) # generic prompt for hours
-      #   select_datetime(my_date_time, prompt: true) # generic prompts for all
-      def select_datetime(datetime = Time.current, options = {}, html_options = {})
-        DateTimeSelector.new(datetime, options, html_options).select_datetime
-      end
-
-      # Returns a set of html select-tags (one for year, month, and day) pre-selected with the +date+.
-      # It's possible to explicitly set the order of the tags using the <tt>:order</tt> option with an array of
-      # symbols <tt>:year</tt>, <tt>:month</tt> and <tt>:day</tt> in the desired order.
-      # If the array passed to the <tt>:order</tt> option does not contain all the three symbols, all tags will be hidden.
-      #
-      # If anything is passed in the html_options hash it will be applied to every select tag in the set.
-      #
-      #   my_date = Time.now + 6.days
-      #
-      #   # Generates a date select that defaults to the date in my_date (six days after today).
-      #   select_date(my_date)
-      #
-      #   # Generates a date select that defaults to today (no specified date).
-      #   select_date()
-      #
-      #   # Generates a date select that defaults to the date in my_date (six days after today)
-      #   # with the fields ordered year, month, day rather than month, day, year.
-      #   select_date(my_date, order: [:year, :month, :day])
-      #
-      #   # Generates a date select that discards the type of the field and defaults to the date in
-      #   # my_date (six days after today).
-      #   select_date(my_date, discard_type: true)
-      #
-      #   # Generates a date select that defaults to the date in my_date,
-      #   # which has fields separated by '/'.
-      #   select_date(my_date, date_separator: '/')
-      #
-      #   # Generates a date select that defaults to the datetime in my_date (six days after today)
-      #   # prefixed with 'payday' rather than 'date'.
-      #   select_date(my_date, prefix: 'payday')
-      #
-      #   # Generates a date select with a custom prompt. Use <tt>prompt: true</tt> for generic prompts.
-      #   select_date(my_date, prompt: {day: 'Choose day', month: 'Choose month', year: 'Choose year'})
-      #   select_date(my_date, prompt: {hour: true}) # generic prompt for hours
-      #   select_date(my_date, prompt: true) # generic prompts for all
-      def select_date(date = Date.current, options = {}, html_options = {})
-        DateTimeSelector.new(date, options, html_options).select_date
-      end
-
-      # Returns a set of html select-tags (one for hour and minute).
-      # You can set <tt>:time_separator</tt> key to format the output, and
-      # the <tt>:include_seconds</tt> option to include an input for seconds.
-      #
-      # If anything is passed in the html_options hash it will be applied to every select tag in the set.
-      #
-      #   my_time = Time.now + 5.days + 7.hours + 3.minutes + 14.seconds
-      #
-      #   # Generates a time select that defaults to the time in my_time.
-      #   select_time(my_time)
-      #
-      #   # Generates a time select that defaults to the current time (no specified time).
-      #   select_time()
-      #
-      #   # Generates a time select that defaults to the time in my_time,
-      #   # which has fields separated by ':'.
-      #   select_time(my_time, time_separator: ':')
-      #
-      #   # Generates a time select that defaults to the time in my_time,
-      #   # that also includes an input for seconds.
-      #   select_time(my_time, include_seconds: true)
-      #
-      #   # Generates a time select that defaults to the time in my_time, that has fields
-      #   # separated by ':' and includes an input for seconds.
-      #   select_time(my_time, time_separator: ':', include_seconds: true)
-      #
-      #   # Generate a time select field with hours in the AM/PM format
-      #   select_time(my_time, ampm: true)
-      #
-      #   # Generates a time select field with hours that range from 2 to 14
-      #   select_time(my_time, start_hour: 2, end_hour: 14)
-      #
-      #   # Generates a time select with a custom prompt. Use <tt>:prompt</tt> to true for generic prompts.
-      #   select_time(my_time, prompt: {day: 'Choose day', month: 'Choose month', year: 'Choose year'})
-      #   select_time(my_time, prompt: {hour: true}) # generic prompt for hours
-      #   select_time(my_time, prompt: true) # generic prompts for all
-      def select_time(datetime = Time.current, options = {}, html_options = {})
-        DateTimeSelector.new(datetime, options, html_options).select_time
-      end
-
-      # Returns a select tag with options for each of the seconds 0 through 59 with the current second selected.
-      # The <tt>datetime</tt> can be either a +Time+ or +DateTime+ object or an integer.
-      # Override the field name using the <tt>:field_name</tt> option, 'second' by default.
-      #
-      #   my_time = Time.now + 16.minutes
-      #
-      #   # Generates a select field for seconds that defaults to the seconds for the time in my_time.
-      #   select_second(my_time)
-      #
-      #   # Generates a select field for seconds that defaults to the number given.
-      #   select_second(33)
-      #
-      #   # Generates a select field for seconds that defaults to the seconds for the time in my_time
-      #   # that is named 'interval' rather than 'second'.
-      #   select_second(my_time, field_name: 'interval')
-      #
-      #   # Generates a select field for seconds with a custom prompt. Use <tt>prompt: true</tt> for a
-      #   # generic prompt.
-      #   select_second(14, prompt: 'Choose seconds')
-      def select_second(datetime, options = {}, html_options = {})
-        DateTimeSelector.new(datetime, options, html_options).select_second
-      end
-
-      # Returns a select tag with options for each of the minutes 0 through 59 with the current minute selected.
-      # Also can return a select tag with options by <tt>minute_step</tt> from 0 through 59 with the 00 minute
-      # selected. The <tt>datetime</tt> can be either a +Time+ or +DateTime+ object or an integer.
-      # Override the field name using the <tt>:field_name</tt> option, 'minute' by default.
-      #
-      #   my_time = Time.now + 6.hours
-      #
-      #   # Generates a select field for minutes that defaults to the minutes for the time in my_time.
-      #   select_minute(my_time)
-      #
-      #   # Generates a select field for minutes that defaults to the number given.
-      #   select_minute(14)
-      #
-      #   # Generates a select field for minutes that defaults to the minutes for the time in my_time
-      #   # that is named 'moment' rather than 'minute'.
-      #   select_minute(my_time, field_name: 'moment')
-      #
-      #   # Generates a select field for minutes with a custom prompt. Use <tt>prompt: true</tt> for a
-      #   # generic prompt.
-      #   select_minute(14, prompt: 'Choose minutes')
-      def select_minute(datetime, options = {}, html_options = {})
-        DateTimeSelector.new(datetime, options, html_options).select_minute
-      end
-
-      # Returns a select tag with options for each of the hours 0 through 23 with the current hour selected.
-      # The <tt>datetime</tt> can be either a +Time+ or +DateTime+ object or an integer.
-      # Override the field name using the <tt>:field_name</tt> option, 'hour' by default.
-      #
-      #   my_time = Time.now + 6.hours
-      #
-      #   # Generates a select field for hours that defaults to the hour for the time in my_time.
-      #   select_hour(my_time)
-      #
-      #   # Generates a select field for hours that defaults to the number given.
-      #   select_hour(13)
-      #
-      #   # Generates a select field for hours that defaults to the hour for the time in my_time
-      #   # that is named 'stride' rather than 'hour'.
-      #   select_hour(my_time, field_name: 'stride')
-      #
-      #   # Generates a select field for hours with a custom prompt. Use <tt>prompt: true</tt> for a
-      #   # generic prompt.
-      #   select_hour(13, prompt: 'Choose hour')
-      #
-      #   # Generate a select field for hours in the AM/PM format
-      #   select_hour(my_time, ampm: true)
-      #
-      #   # Generates a select field that includes options for hours from 2 to 14.
-      #   select_hour(my_time, start_hour: 2, end_hour: 14)
-      def select_hour(datetime, options = {}, html_options = {})
-        DateTimeSelector.new(datetime, options, html_options).select_hour
-      end
-
-      # Returns a select tag with options for each of the days 1 through 31 with the current day selected.
-      # The <tt>date</tt> can also be substituted for a day number.
-      # If you want to display days with a leading zero set the <tt>:use_two_digit_numbers</tt> key in +options+ to true.
-      # Override the field name using the <tt>:field_name</tt> option, 'day' by default.
-      #
-      #   my_date = Time.now + 2.days
-      #
-      #   # Generates a select field for days that defaults to the day for the date in my_date.
-      #   select_day(my_time)
-      #
-      #   # Generates a select field for days that defaults to the number given.
-      #   select_day(5)
-      #
-      #   # Generates a select field for days that defaults to the number given, but displays it with two digits.
-      #   select_day(5, use_two_digit_numbers: true)
-      #
-      #   # Generates a select field for days that defaults to the day for the date in my_date
-      #   # that is named 'due' rather than 'day'.
-      #   select_day(my_time, field_name: 'due')
-      #
-      #   # Generates a select field for days with a custom prompt. Use <tt>prompt: true</tt> for a
-      #   # generic prompt.
-      #   select_day(5, prompt: 'Choose day')
-      def select_day(date, options = {}, html_options = {})
-        DateTimeSelector.new(date, options, html_options).select_day
-      end
-
-      # Returns a select tag with options for each of the months January through December with the current month
-      # selected. The month names are presented as keys (what's shown to the user) and the month numbers (1-12) are
-      # used as values (what's submitted to the server). It's also possible to use month numbers for the presentation
-      # instead of names -- set the <tt>:use_month_numbers</tt> key in +options+ to true for this to happen. If you
-      # want both numbers and names, set the <tt>:add_month_numbers</tt> key in +options+ to true. If you would prefer
-      # to show month names as abbreviations, set the <tt>:use_short_month</tt> key in +options+ to true. If you want
-      # to use your own month names, set the <tt>:use_month_names</tt> key in +options+ to an array of 12 month names.
-      # If you want to display months with a leading zero set the <tt>:use_two_digit_numbers</tt> key in +options+ to true.
-      # Override the field name using the <tt>:field_name</tt> option, 'month' by default.
-      #
-      #   # Generates a select field for months that defaults to the current month that
-      #   # will use keys like "January", "March".
-      #   select_month(Date.today)
-      #
-      #   # Generates a select field for months that defaults to the current month that
-      #   # is named "start" rather than "month".
-      #   select_month(Date.today, field_name: 'start')
-      #
-      #   # Generates a select field for months that defaults to the current month that
-      #   # will use keys like "1", "3".
-      #   select_month(Date.today, use_month_numbers: true)
-      #
-      #   # Generates a select field for months that defaults to the current month that
-      #   # will use keys like "1 - January", "3 - March".
-      #   select_month(Date.today, add_month_numbers: true)
-      #
-      #   # Generates a select field for months that defaults to the current month that
-      #   # will use keys like "Jan", "Mar".
-      #   select_month(Date.today, use_short_month: true)
-      #
-      #   # Generates a select field for months that defaults to the current month that
-      #   # will use keys like "Januar", "Marts."
-      #   select_month(Date.today, use_month_names: %w(Januar Februar Marts ...))
-      #
-      #   # Generates a select field for months that defaults to the current month that
-      #   # will use keys with two digit numbers like "01", "03".
-      #   select_month(Date.today, use_two_digit_numbers: true)
-      #
-      #   # Generates a select field for months with a custom prompt. Use <tt>prompt: true</tt> for a
-      #   # generic prompt.
-      #   select_month(14, prompt: 'Choose month')
-      def select_month(date, options = {}, html_options = {})
-        DateTimeSelector.new(date, options, html_options).select_month
-      end
-
-      # Returns a select tag with options for each of the five years on each side of the current, which is selected.
-      # The five year radius can be changed using the <tt>:start_year</tt> and <tt>:end_year</tt> keys in the
-      # +options+. Both ascending and descending year lists are supported by making <tt>:start_year</tt> less than or
-      # greater than <tt>:end_year</tt>. The <tt>date</tt> can also be substituted for a year given as a number.
-      # Override the field name using the <tt>:field_name</tt> option, 'year' by default.
-      #
-      #   # Generates a select field for years that defaults to the current year that
-      #   # has ascending year values.
-      #   select_year(Date.today, start_year: 1992, end_year: 2007)
-      #
-      #   # Generates a select field for years that defaults to the current year that
-      #   # is named 'birth' rather than 'year'.
-      #   select_year(Date.today, field_name: 'birth')
-      #
-      #   # Generates a select field for years that defaults to the current year that
-      #   # has descending year values.
-      #   select_year(Date.today, start_year: 2005, end_year: 1900)
-      #
-      #   # Generates a select field for years that defaults to the year 2006 that
-      #   # has ascending year values.
-      #   select_year(2006, start_year: 2000, end_year: 2010)
-      #
-      #   # Generates a select field for years with a custom prompt. Use <tt>prompt: true</tt> for a
-      #   # generic prompt.
-      #   select_year(14, prompt: 'Choose year')
-      def select_year(date, options = {}, html_options = {})
-        DateTimeSelector.new(date, options, html_options).select_year
-      end
-
-      # Returns an html time tag for the given date or time.
-      #
-      #   time_tag Date.today  # =>
-      #     <time datetime="2010-11-04">November 04, 2010</time>
-      #   time_tag Time.now  # =>
-      #     <time datetime="2010-11-04T17:55:45+01:00">November 04, 2010 17:55</time>
-      #   time_tag Date.yesterday, 'Yesterday'  # =>
-      #     <time datetime="2010-11-03">Yesterday</time>
-      #   time_tag Date.today, pubdate: true  # =>
-      #     <time datetime="2010-11-04" pubdate="pubdate">November 04, 2010</time>
-      #   time_tag Date.today, datetime: Date.today.strftime('%G-W%V') # =>
-      #     <time datetime="2010-W44">November 04, 2010</time>
-      #
-      #   <%= time_tag Time.now do %>
-      #     <span>Right now</span>
-      #   <% end %>
-      #   # => <time datetime="2010-11-04T17:55:45+01:00"><span>Right now</span></time>
-      def time_tag(date_or_time, *args, &block)
-        options  = args.extract_options!
-        format   = options.delete(:format) || :long
-        content  = args.first || I18n.l(date_or_time, :format => format)
-        datetime = date_or_time.acts_like?(:time) ? date_or_time.xmlschema : date_or_time.iso8601
-
-        content_tag(:time, content, options.reverse_merge(:datetime => datetime), &block)
-      end
-    end
-
-    class DateTimeSelector #:nodoc:
-      include ActionView::Helpers::TagHelper
-
-      DEFAULT_PREFIX = 'date'.freeze
-      POSITION = {
-        :year => 1, :month => 2, :day => 3, :hour => 4, :minute => 5, :second => 6
-      }.freeze
-
-      AMPM_TRANSLATION = Hash[
-        [[0, "12 AM"], [1, "01 AM"], [2, "02 AM"], [3, "03 AM"],
-         [4, "04 AM"], [5, "05 AM"], [6, "06 AM"], [7, "07 AM"],
-         [8, "08 AM"], [9, "09 AM"], [10, "10 AM"], [11, "11 AM"],
-         [12, "12 PM"], [13, "01 PM"], [14, "02 PM"], [15, "03 PM"],
-         [16, "04 PM"], [17, "05 PM"], [18, "06 PM"], [19, "07 PM"],
-         [20, "08 PM"], [21, "09 PM"], [22, "10 PM"], [23, "11 PM"]]
-      ].freeze
-
-      def initialize(datetime, options = {}, html_options = {})
-        @options      = options.dup
-        @html_options = html_options.dup
-        @datetime     = datetime
-        @options[:datetime_separator] ||= ' &mdash; '
-        @options[:time_separator]     ||= ' : '
-      end
-
-      def select_datetime
-        order = date_order.dup
-        order -= [:hour, :minute, :second]
-        @options[:discard_year]   ||= true unless order.include?(:year)
-        @options[:discard_month]  ||= true unless order.include?(:month)
-        @options[:discard_day]    ||= true if @options[:discard_month] || !order.include?(:day)
-        @options[:discard_minute] ||= true if @options[:discard_hour]
-        @options[:discard_second] ||= true unless @options[:include_seconds] && !@options[:discard_minute]
-
-        set_day_if_discarded
-
-        if @options[:tag] && @options[:ignore_date]
-          select_time
-        else
-          [:day, :month, :year].each { |o| order.unshift(o) unless order.include?(o) }
-          order += [:hour, :minute, :second] unless @options[:discard_hour]
-
-          build_selects_from_types(order)
-        end
-      end
-
-      def select_date
-        order = date_order.dup
-
-        @options[:discard_hour]     = true
-        @options[:discard_minute]   = true
-        @options[:discard_second]   = true
-
-        @options[:discard_year]   ||= true unless order.include?(:year)
-        @options[:discard_month]  ||= true unless order.include?(:month)
-        @options[:discard_day]    ||= true if @options[:discard_month] || !order.include?(:day)
-
-        set_day_if_discarded
-
-        [:day, :month, :year].each { |o| order.unshift(o) unless order.include?(o) }
-
-        build_selects_from_types(order)
-      end
-
-      def select_time
-        order = []
-
-        @options[:discard_month]    = true
-        @options[:discard_year]     = true
-        @options[:discard_day]      = true
-        @options[:discard_second] ||= true unless @options[:include_seconds]
-
-        order += [:year, :month, :day] unless @options[:ignore_date]
-
-        order += [:hour, :minute]
-        order << :second if @options[:include_seconds]
-
-        build_selects_from_types(order)
-      end
-
-      def select_second
-        if @options[:use_hidden] || @options[:discard_second]
-          build_hidden(:second, sec) if @options[:include_seconds]
-        else
-          build_options_and_select(:second, sec)
-        end
-      end
-
-      def select_minute
-        if @options[:use_hidden] || @options[:discard_minute]
-          build_hidden(:minute, min)
-        else
-          build_options_and_select(:minute, min, :step => @options[:minute_step])
-        end
-      end
-
-      def select_hour
-        if @options[:use_hidden] || @options[:discard_hour]
-          build_hidden(:hour, hour)
-        else
-          options         = {}
-          options[:ampm]  = @options[:ampm] || false
-          options[:start] = @options[:start_hour] || 0
-          options[:end]   = @options[:end_hour] || 23
-          build_options_and_select(:hour, hour, options)
-        end
-      end
-
-      def select_day
-        if @options[:use_hidden] || @options[:discard_day]
-          build_hidden(:day, day || 1)
-        else
-          build_options_and_select(:day, day, :start => 1, :end => 31, :leading_zeros => false, :use_two_digit_numbers => @options[:use_two_digit_numbers])
-        end
-      end
-
-      def select_month
-        if @options[:use_hidden] || @options[:discard_month]
-          build_hidden(:month, month || 1)
-        else
-          month_options = []
-          1.upto(12) do |month_number|
-            options = { :value => month_number }
-            options[:selected] = "selected" if month == month_number
-            month_options << content_tag(:option, month_name(month_number), options) + "\n"
-          end
-          build_select(:month, month_options.join)
-        end
-      end
-
-      def select_year
-        if !@datetime || @datetime == 0
-          val = '1'
-          middle_year = Date.today.year
-        else
-          val = middle_year = year
-        end
-
-        if @options[:use_hidden] || @options[:discard_year]
-          build_hidden(:year, val)
-        else
-          options                     = {}
-          options[:start]             = @options[:start_year] || middle_year - 5
-          options[:end]               = @options[:end_year] || middle_year + 5
-          options[:step]              = options[:start] < options[:end] ? 1 : -1
-          options[:leading_zeros]     = false
-          options[:max_years_allowed] = @options[:max_years_allowed] || 1000
-
-          if (options[:end] - options[:start]).abs > options[:max_years_allowed]
-            raise ArgumentError, "There are too many years options to be built. Are you sure you haven't mistyped something? You can provide the :max_years_allowed parameter."
-          end
-
-          build_options_and_select(:year, val, options)
-        end
-      end
-
-      private
-        %w( sec min hour day month year ).each do |method|
-          define_method(method) do
-            @datetime.kind_of?(Numeric) ? @datetime : @datetime.send(method) if @datetime
-          end
-        end
-
-        # If the day is hidden, the day should be set to the 1st so all month and year choices are
-        # valid. Otherwise, February 31st or February 29th, 2011 can be selected, which are invalid.
-        def set_day_if_discarded
-          if @datetime && @options[:discard_day]
-            @datetime = @datetime.change(:day => 1)
-          end
-        end
-
-        # Returns translated month names, but also ensures that a custom month
-        # name array has a leading nil element.
-        def month_names
-          @month_names ||= begin
-            month_names = @options[:use_month_names] || translated_month_names
-            month_names.unshift(nil) if month_names.size < 13
-            month_names
-          end
-        end
-
-        # Returns translated month names.
-        #  => [nil, "January", "February", "March",
-        #           "April", "May", "June", "July",
-        #           "August", "September", "October",
-        #           "November", "December"]
-        #
-        # If <tt>:use_short_month</tt> option is set
-        #  => [nil, "Jan", "Feb", "Mar", "Apr", "May", "Jun",
-        #           "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
-        def translated_month_names
-          key = @options[:use_short_month] ? :'date.abbr_month_names' : :'date.month_names'
-          I18n.translate(key, :locale => @options[:locale])
-        end
-
-        # Lookup month name for number.
-        #  month_name(1) => "January"
-        #
-        # If <tt>:use_month_numbers</tt> option is passed
-        #  month_name(1) => 1
-        #
-        # If <tt>:use_two_month_numbers</tt> option is passed
-        #  month_name(1) => '01'
-        #
-        # If <tt>:add_month_numbers</tt> option is passed
-        #  month_name(1) => "1 - January"
-        def month_name(number)
-          if @options[:use_month_numbers]
-            number
-          elsif @options[:use_two_digit_numbers]
-            sprintf "%02d", number
-          elsif @options[:add_month_numbers]
-            "#{number} - #{month_names[number]}"
-          else
-            month_names[number]
-          end
-        end
-
-        def date_order
-          @date_order ||= @options[:order] || translated_date_order
-        end
-
-        def translated_date_order
-          date_order = I18n.translate(:'date.order', :locale => @options[:locale], :default => [])
-          date_order = date_order.map { |element| element.to_sym }
-
-          forbidden_elements = date_order - [:year, :month, :day]
-          if forbidden_elements.any?
-            raise StandardError,
-              "#{@options[:locale]}.date.order only accepts :year, :month and :day"
-          end
-
-          date_order
-        end
-
-        # Build full select tag from date type and options.
-        def build_options_and_select(type, selected, options = {})
-          build_select(type, build_options(selected, options))
-        end
-
-        # Build select option html from date value and options.
-        #  build_options(15, start: 1, end: 31)
-        #  => "<option value="1">1</option>
-        #      <option value="2">2</option>
-        #      <option value="3">3</option>..."
-        #
-        # If <tt>use_two_digit_numbers: true</tt> option is passed
-        #  build_options(15, start: 1, end: 31, use_two_digit_numbers: true)
-        #  => "<option value="1">01</option>
-        #      <option value="2">02</option>
-        #      <option value="3">03</option>..."
-        #
-        # If <tt>:step</tt> options is passed
-        #  build_options(15, start: 1, end: 31, step: 2)
-        #  => "<option value="1">1</option>
-        #      <option value="3">3</option>
-        #      <option value="5">5</option>..."
-        def build_options(selected, options = {})
-          options = {
-            leading_zeros: true, ampm: false, use_two_digit_numbers: false
-          }.merge!(options)
-
-          start         = options.delete(:start) || 0
-          stop          = options.delete(:end) || 59
-          step          = options.delete(:step) || 1
-          leading_zeros = options.delete(:leading_zeros)
-
-          select_options = []
-          start.step(stop, step) do |i|
-            value = leading_zeros ? sprintf("%02d", i) : i
-            tag_options = { :value => value }
-            tag_options[:selected] = "selected" if selected == i
-            text = options[:use_two_digit_numbers] ? sprintf("%02d", i) : value
-            text = options[:ampm] ? AMPM_TRANSLATION[i] : text
-            select_options << content_tag(:option, text, tag_options)
-          end
-
-          (select_options.join("\n") + "\n").html_safe
-        end
-
-        # Builds select tag from date type and html select options.
-        #  build_select(:month, "<option value="1">January</option>...")
-        #  => "<select id="post_written_on_2i" name="post[written_on(2i)]">
-        #        <option value="1">January</option>...
-        #      </select>"
-        def build_select(type, select_options_as_html)
-          select_options = {
-            :id => input_id_from_type(type),
-            :name => input_name_from_type(type)
-          }.merge!(@html_options)
-          select_options[:disabled] = 'disabled' if @options[:disabled]
-          select_options[:class] = type if @options[:with_css_classes]
-
-          select_html = "\n"
-          select_html << content_tag(:option, '', :value => '') + "\n" if @options[:include_blank]
-          select_html << prompt_option_tag(type, @options[:prompt]) + "\n" if @options[:prompt]
-          select_html << select_options_as_html
-
-          (content_tag(:select, select_html.html_safe, select_options) + "\n").html_safe
-        end
-
-        # Builds a prompt option tag with supplied options or from default options.
-        #  prompt_option_tag(:month, prompt: 'Select month')
-        #  => "<option value="">Select month</option>"
-        def prompt_option_tag(type, options)
-          prompt = case options
-            when Hash
-              default_options = {:year => false, :month => false, :day => false, :hour => false, :minute => false, :second => false}
-              default_options.merge!(options)[type.to_sym]
-            when String
-              options
-            else
-              I18n.translate(:"datetime.prompts.#{type}", :locale => @options[:locale])
-          end
-
-          prompt ? content_tag(:option, prompt, :value => '') : ''
-        end
-
-        # Builds hidden input tag for date part and value.
-        #  build_hidden(:year, 2008)
-        #  => "<input id="post_written_on_1i" name="post[written_on(1i)]" type="hidden" value="2008" />"
-        def build_hidden(type, value)
-          select_options = {
-            :type => "hidden",
-            :id => input_id_from_type(type),
-            :name => input_name_from_type(type),
-            :value => value
-          }.merge!(@html_options.slice(:disabled))
-          select_options[:disabled] = 'disabled' if @options[:disabled]
-
-          tag(:input, select_options) + "\n".html_safe
-        end
-
-        # Returns the name attribute for the input tag.
-        #  => post[written_on(1i)]
-        def input_name_from_type(type)
-          prefix = @options[:prefix] || ActionView::Helpers::DateTimeSelector::DEFAULT_PREFIX
-          prefix += "[#{@options[:index]}]" if @options.has_key?(:index)
-
-          field_name = @options[:field_name] || type
-          if @options[:include_position]
-            field_name += "(#{ActionView::Helpers::DateTimeSelector::POSITION[type]}i)"
-          end
-
-          @options[:discard_type] ? prefix : "#{prefix}[#{field_name}]"
-        end
-
-        # Returns the id attribute for the input tag.
-        #  => "post_written_on_1i"
-        def input_id_from_type(type)
-          id = input_name_from_type(type).gsub(/([\[\(])|(\]\[)/, '_').gsub(/[\]\)]/, '')
-          id = @options[:namespace] + '_' + id if @options[:namespace]
-
-          id
-        end
-
-        # Given an ordering of datetime components, create the selection HTML
-        # and join them with their appropriate separators.
-        def build_selects_from_types(order)
-          select = ''
-          first_visible = order.find { |type| !@options[:"discard_#{type}"] }
-          order.reverse.each do |type|
-            separator = separator(type) unless type == first_visible # don't add before first visible field
-            select.insert(0, separator.to_s + send("select_#{type}").to_s)
-          end
-          select.html_safe
-        end
-
-        # Returns the separator for a given datetime component.
-        def separator(type)
-          return "" if @options[:use_hidden]
-
-          case type
-            when :year, :month, :day
-              @options[:"discard_#{type}"] ? "" : @options[:date_separator]
-            when :hour
-              (@options[:discard_year] && @options[:discard_day]) ? "" : @options[:datetime_separator]
-            when :minute, :second
-              @options[:"discard_#{type}"] ? "" : @options[:time_separator]
-          end
-        end
-    end
-
-    class FormBuilder
-      # Wraps ActionView::Helpers::DateHelper#date_select for form builders:
-      #
-      #   <%= form_for @person do |f| %>
-      #     <%= f.date_select :birth_date %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # Please refer to the documentation of the base helper for details.
-      def date_select(method, options = {}, html_options = {})
-        @template.date_select(@object_name, method, objectify_options(options), html_options)
-      end
-
-      # Wraps ActionView::Helpers::DateHelper#time_select for form builders:
-      #
-      #   <%= form_for @race do |f| %>
-      #     <%= f.time_select :average_lap %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # Please refer to the documentation of the base helper for details.
-      def time_select(method, options = {}, html_options = {})
-        @template.time_select(@object_name, method, objectify_options(options), html_options)
-      end
-
-      # Wraps ActionView::Helpers::DateHelper#datetime_select for form builders:
-      #
-      #   <%= form_for @person do |f| %>
-      #     <%= f.time_select :last_request_at %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # Please refer to the documentation of the base helper for details.
-      def datetime_select(method, options = {}, html_options = {})
-        @template.datetime_select(@object_name, method, objectify_options(options), html_options)
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/debug_helper.rb b/actionpack/lib/action_view/helpers/debug_helper.rb
deleted file mode 100644
index c29c1b1eea..0000000000
--- a/actionpack/lib/action_view/helpers/debug_helper.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-module ActionView
-  # = Action View Debug Helper
-  #
-  # Provides a set of methods for making it easier to debug Rails objects.
-  module Helpers
-    module DebugHelper
-
-      include TagHelper
-
-      # Returns a YAML representation of +object+ wrapped with <pre> and </pre>.
-      # If the object cannot be converted to YAML using +to_yaml+, +inspect+ will be called instead.
-      # Useful for inspecting an object at the time of rendering.
-      #
-      #   @user = User.new({ username: 'testing', password: 'xyz', age: 42}) %>
-      #   debug(@user)
-      #   # =>
-      #   <pre class='debug_dump'>--- !ruby/object:User
-      #   attributes:
-      #   &nbsp; updated_at:
-      #   &nbsp; username: testing
-      #
-      #   &nbsp; age: 42
-      #   &nbsp; password: xyz
-      #   &nbsp; created_at:
-      #   attributes_cache: {}
-      #
-      #   new_record: true
-      #   </pre>
-      def debug(object)
-        Marshal::dump(object)
-        object = ERB::Util.html_escape(object.to_yaml).gsub("  ", "&nbsp; ").html_safe
-        content_tag(:pre, object, :class => "debug_dump")
-      rescue Exception  # errors from Marshal or YAML
-        # Object couldn't be dumped, perhaps because of singleton methods -- this is the fallback
-        content_tag(:code, object.inspect, :class => "debug_dump")
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
deleted file mode 100644
index f64c0ca30b..0000000000
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ /dev/null
@@ -1,1880 +0,0 @@
-require 'cgi'
-require 'action_view/helpers/date_helper'
-require 'action_view/helpers/tag_helper'
-require 'action_view/helpers/form_tag_helper'
-require 'action_view/helpers/active_model_helper'
-require 'action_view/helpers/tags'
-require 'action_view/model_naming'
-require 'active_support/core_ext/class/attribute_accessors'
-require 'active_support/core_ext/hash/slice'
-require 'active_support/core_ext/string/output_safety'
-require 'active_support/core_ext/string/inflections'
-
-module ActionView
-  # = Action View Form Helpers
-  module Helpers
-    # Form helpers are designed to make working with resources much easier
-    # compared to using vanilla HTML.
-    #
-    # Typically, a form designed to create or update a resource reflects the
-    # identity of the resource in several ways: (i) the url that the form is
-    # sent to (the form element's +action+ attribute) should result in a request
-    # being routed to the appropriate controller action (with the appropriate <tt>:id</tt>
-    # parameter in the case of an existing resource), (ii) input fields should
-    # be named in such a way that in the controller their values appear in the
-    # appropriate places within the +params+ hash, and (iii) for an existing record,
-    # when the form is initially displayed, input fields corresponding to attributes
-    # of the resource should show the current values of those attributes.
-    #
-    # In Rails, this is usually achieved by creating the form using +form_for+ and
-    # a number of related helper methods. +form_for+ generates an appropriate <tt>form</tt>
-    # tag and yields a form builder object that knows the model the form is about.
-    # Input fields are created by calling methods defined on the form builder, which
-    # means they are able to generate the appropriate names and default values
-    # corresponding to the model attributes, as well as convenient IDs, etc.
-    # Conventions in the generated field names allow controllers to receive form data
-    # nicely structured in +params+ with no effort on your side.
-    #
-    # For example, to create a new person you typically set up a new instance of
-    # +Person+ in the <tt>PeopleController#new</tt> action, <tt>@person</tt>, and
-    # in the view template pass that object to +form_for+:
-    #
-    #   <%= form_for @person do |f| %>
-    #     <%= f.label :first_name %>:
-    #     <%= f.text_field :first_name %><br />
-    #
-    #     <%= f.label :last_name %>:
-    #     <%= f.text_field :last_name %><br />
-    #
-    #     <%= f.submit %>
-    #   <% end %>
-    #
-    # The HTML generated for this would be (modulus formatting):
-    #
-    #   <form action="/people" class="new_person" id="new_person" method="post">
-    #     <div style="margin:0;padding:0;display:inline">
-    #       <input name="authenticity_token" type="hidden" value="NrOp5bsjoLRuK8IW5+dQEYjKGUJDe7TQoZVvq95Wteg=" />
-    #     </div>
-    #     <label for="person_first_name">First name</label>:
-    #     <input id="person_first_name" name="person[first_name]" type="text" /><br />
-    #
-    #     <label for="person_last_name">Last name</label>:
-    #     <input id="person_last_name" name="person[last_name]" type="text" /><br />
-    #
-    #     <input name="commit" type="submit" value="Create Person" />
-    #   </form>
-    #
-    # As you see, the HTML reflects knowledge about the resource in several spots,
-    # like the path the form should be submitted to, or the names of the input fields.
-    #
-    # In particular, thanks to the conventions followed in the generated field names, the
-    # controller gets a nested hash <tt>params[:person]</tt> with the person attributes
-    # set in the form. That hash is ready to be passed to <tt>Person.create</tt>:
-    #
-    #   if @person = Person.create(params[:person])
-    #     # success
-    #   else
-    #     # error handling
-    #   end
-    #
-    # Interestingly, the exact same view code in the previous example can be used to edit
-    # a person. If <tt>@person</tt> is an existing record with name "John Smith" and ID 256,
-    # the code above as is would yield instead:
-    #
-    #   <form action="/people/256" class="edit_person" id="edit_person_256" method="post">
-    #     <div style="margin:0;padding:0;display:inline">
-    #       <input name="_method" type="hidden" value="patch" />
-    #       <input name="authenticity_token" type="hidden" value="NrOp5bsjoLRuK8IW5+dQEYjKGUJDe7TQoZVvq95Wteg=" />
-    #     </div>
-    #     <label for="person_first_name">First name</label>:
-    #     <input id="person_first_name" name="person[first_name]" type="text" value="John" /><br />
-    #
-    #     <label for="person_last_name">Last name</label>:
-    #     <input id="person_last_name" name="person[last_name]" type="text" value="Smith" /><br />
-    #
-    #     <input name="commit" type="submit" value="Update Person" />
-    #   </form>
-    #
-    # Note that the endpoint, default values, and submit button label are tailored for <tt>@person</tt>.
-    # That works that way because the involved helpers know whether the resource is a new record or not,
-    # and generate HTML accordingly.
-    #
-    # The controller would receive the form data again in <tt>params[:person]</tt>, ready to be
-    # passed to <tt>Person#update</tt>:
-    #
-    #   if @person.update(params[:person])
-    #     # success
-    #   else
-    #     # error handling
-    #   end
-    #
-    # That's how you typically work with resources.
-    module FormHelper
-      extend ActiveSupport::Concern
-
-      include FormTagHelper
-      include UrlHelper
-      include ModelNaming
-
-      # Creates a form that allows the user to create or update the attributes
-      # of a specific model object.
-      #
-      # The method can be used in several slightly different ways, depending on
-      # how much you wish to rely on Rails to infer automatically from the model
-      # how the form should be constructed. For a generic model object, a form
-      # can be created by passing +form_for+ a string or symbol representing
-      # the object we are concerned with:
-      #
-      #   <%= form_for :person do |f| %>
-      #     First name: <%= f.text_field :first_name %><br />
-      #     Last name : <%= f.text_field :last_name %><br />
-      #     Biography : <%= f.text_area :biography %><br />
-      #     Admin?    : <%= f.check_box :admin %><br />
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # The variable +f+ yielded to the block is a FormBuilder object that
-      # incorporates the knowledge about the model object represented by
-      # <tt>:person</tt> passed to +form_for+. Methods defined on the FormBuilder
-      # are used to generate fields bound to this model. Thus, for example,
-      #
-      #   <%= f.text_field :first_name %>
-      #
-      # will get expanded to
-      #
-      #   <%= text_field :person, :first_name %>
-      # which results in an html <tt><input></tt> tag whose +name+ attribute is
-      # <tt>person[first_name]</tt>. This means that when the form is submitted,
-      # the value entered by the user will be available in the controller as
-      # <tt>params[:person][:first_name]</tt>.
-      #
-      # For fields generated in this way using the FormBuilder,
-      # if <tt>:person</tt> also happens to be the name of an instance variable
-      # <tt>@person</tt>, the default value of the field shown when the form is
-      # initially displayed (e.g. in the situation where you are editing an
-      # existing record) will be the value of the corresponding attribute of
-      # <tt>@person</tt>.
-      #
-      # The rightmost argument to +form_for+ is an
-      # optional hash of options -
-      #
-      # * <tt>:url</tt> - The URL the form is to be submitted to. This may be
-      #   represented in the same way as values passed to +url_for+ or +link_to+.
-      #   So for example you may use a named route directly. When the model is
-      #   represented by a string or symbol, as in the example above, if the
-      #   <tt>:url</tt> option is not specified, by default the form will be
-      #   sent back to the current url (We will describe below an alternative
-      #   resource-oriented usage of +form_for+ in which the URL does not need
-      #   to be specified explicitly).
-      # * <tt>:namespace</tt> - A namespace for your form to ensure uniqueness of
-      #   id attributes on form elements. The namespace attribute will be prefixed
-      #   with underscore on the generated HTML id.
-      # * <tt>:html</tt> - Optional HTML attributes for the form tag.
-      #
-      # Also note that +form_for+ doesn't create an exclusive scope. It's still
-      # possible to use both the stand-alone FormHelper methods and methods
-      # from FormTagHelper. For example:
-      #
-      #   <%= form_for :person do |f| %>
-      #     First name: <%= f.text_field :first_name %>
-      #     Last name : <%= f.text_field :last_name %>
-      #     Biography : <%= text_area :person, :biography %>
-      #     Admin?    : <%= check_box_tag "person[admin]", "1", @person.company.admin? %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # This also works for the methods in FormOptionHelper and DateHelper that
-      # are designed to work with an object as base, like
-      # FormOptionHelper#collection_select and DateHelper#datetime_select.
-      #
-      # === #form_for with a model object
-      #
-      # In the examples above, the object to be created or edited was
-      # represented by a symbol passed to +form_for+, and we noted that
-      # a string can also be used equivalently. It is also possible, however,
-      # to pass a model object itself to +form_for+. For example, if <tt>@post</tt>
-      # is an existing record you wish to edit, you can create the form using
-      #
-      #   <%= form_for @post do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # This behaves in almost the same way as outlined previously, with a
-      # couple of small exceptions. First, the prefix used to name the input
-      # elements within the form (hence the key that denotes them in the +params+
-      # hash) is actually derived from the object's _class_, e.g. <tt>params[:post]</tt>
-      # if the object's class is +Post+. However, this can be overwritten using
-      # the <tt>:as</tt> option, e.g. -
-      #
-      #   <%= form_for(@person, as: :client) do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # would result in <tt>params[:client]</tt>.
-      #
-      # Secondly, the field values shown when the form is initially displayed
-      # are taken from the attributes of the object passed to +form_for+,
-      # regardless of whether the object is an instance
-      # variable. So, for example, if we had a _local_ variable +post+
-      # representing an existing record,
-      #
-      #   <%= form_for post do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # would produce a form with fields whose initial state reflect the current
-      # values of the attributes of +post+.
-      #
-      # === Resource-oriented style
-      #
-      # In the examples just shown, although not indicated explicitly, we still
-      # need to use the <tt>:url</tt> option in order to specify where the
-      # form is going to be sent. However, further simplification is possible
-      # if the record passed to +form_for+ is a _resource_, i.e. it corresponds
-      # to a set of RESTful routes, e.g. defined using the +resources+ method
-      # in <tt>config/routes.rb</tt>. In this case Rails will simply infer the
-      # appropriate URL from the record itself. For example,
-      #
-      #   <%= form_for @post do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # is then equivalent to something like:
-      #
-      #   <%= form_for @post, as: :post, url: post_path(@post), method: :patch, html: { class: "edit_post", id: "edit_post_45" } do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # And for a new record
-      #
-      #   <%= form_for(Post.new) do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # is equivalent to something like:
-      #
-      #   <%= form_for @post, as: :post, url: posts_path, html: { class: "new_post", id: "new_post" } do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # However you can still overwrite individual conventions, such as:
-      #
-      #   <%= form_for(@post, url: super_posts_path) do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # You can also set the answer format, like this:
-      #
-      #   <%= form_for(@post, format: :json) do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # For namespaced routes, like +admin_post_url+:
-      #
-      #   <%= form_for([:admin, @post]) do |f| %>
-      #    ...
-      #   <% end %>
-      #
-      # If your resource has associations defined, for example, you want to add comments
-      # to the document given that the routes are set correctly:
-      #
-      #   <%= form_for([@document, @comment]) do |f| %>
-      #    ...
-      #   <% end %>
-      #
-      # Where <tt>@document = Document.find(params[:id])</tt> and
-      # <tt>@comment = Comment.new</tt>.
-      #
-      # === Setting the method
-      #
-      # You can force the form to use the full array of HTTP verbs by setting
-      #
-      #    method: (:get|:post|:patch|:put|:delete)
-      #
-      # in the options hash. If the verb is not GET or POST, which are natively
-      # supported by HTML forms, the form will be set to POST and a hidden input
-      # called _method will carry the intended verb for the server to interpret.
-      #
-      # === Unobtrusive JavaScript
-      #
-      # Specifying:
-      #
-      #    remote: true
-      #
-      # in the options hash creates a form that will allow the unobtrusive JavaScript drivers to modify its
-      # behavior. The expected default behavior is an XMLHttpRequest in the background instead of the regular
-      # POST arrangement, but ultimately the behavior is the choice of the JavaScript driver implementor.
-      # Even though it's using JavaScript to serialize the form elements, the form submission will work just like
-      # a regular submission as viewed by the receiving side (all elements available in <tt>params</tt>).
-      #
-      # Example:
-      #
-      #   <%= form_for(@post, remote: true) do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # The HTML generated for this would be:
-      #
-      #   <form action='http://www.example.com' method='post' data-remote='true'>
-      #     <div style='margin:0;padding:0;display:inline'>
-      #       <input name='_method' type='hidden' value='patch' />
-      #     </div>
-      #     ...
-      #   </form>
-      #
-      # === Setting HTML options
-      #
-      # You can set data attributes directly by passing in a data hash, but all other HTML options must be wrapped in
-      # the HTML key. Example:
-      #
-      #   <%= form_for(@post, data: { behavior: "autosave" }, html: { name: "go" }) do |f| %>
-      #     ...
-      #   <% end %>
-      #
-      # The HTML generated for this would be:
-      #
-      #   <form action='http://www.example.com' method='post' data-behavior='autosave' name='go'>
-      #     <div style='margin:0;padding:0;display:inline'>
-      #       <input name='_method' type='hidden' value='patch' />
-      #     </div>
-      #     ...
-      #   </form>
-      #
-      # === Removing hidden model id's
-      #
-      # The form_for method automatically includes the model id as a hidden field in the form.
-      # This is used to maintain the correlation between the form data and its associated model.
-      # Some ORM systems do not use IDs on nested models so in this case you want to be able
-      # to disable the hidden id.
-      #
-      # In the following example the Post model has many Comments stored within it in a NoSQL database,
-      # thus there is no primary key for comments.
-      #
-      # Example:
-      #
-      #   <%= form_for(@post) do |f| %>
-      #     <%= f.fields_for(:comments, include_id: false) do |cf| %>
-      #       ...
-      #     <% end %>
-      #   <% end %>
-      #
-      # === Customized form builders
-      #
-      # You can also build forms using a customized FormBuilder class. Subclass
-      # FormBuilder and override or define some more helpers, then use your
-      # custom builder. For example, let's say you made a helper to
-      # automatically add labels to form inputs.
-      #
-      #   <%= form_for @person, url: { action: "create" }, builder: LabellingFormBuilder do |f| %>
-      #     <%= f.text_field :first_name %>
-      #     <%= f.text_field :last_name %>
-      #     <%= f.text_area :biography %>
-      #     <%= f.check_box :admin %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # In this case, if you use this:
-      #
-      #   <%= render f %>
-      #
-      # The rendered template is <tt>people/_labelling_form</tt> and the local
-      # variable referencing the form builder is called
-      # <tt>labelling_form</tt>.
-      #
-      # The custom FormBuilder class is automatically merged with the options
-      # of a nested fields_for call, unless it's explicitly set.
-      #
-      # In many cases you will want to wrap the above in another helper, so you
-      # could do something like the following:
-      #
-      #   def labelled_form_for(record_or_name_or_array, *args, &block)
-      #     options = args.extract_options!
-      #     form_for(record_or_name_or_array, *(args << options.merge(builder: LabellingFormBuilder)), &block)
-      #   end
-      #
-      # If you don't need to attach a form to a model instance, then check out
-      # FormTagHelper#form_tag.
-      #
-      # === Form to external resources
-      #
-      # When you build forms to external resources sometimes you need to set an authenticity token or just render a form
-      # without it, for example when you submit data to a payment gateway number and types of fields could be limited.
-      #
-      # To set an authenticity token you need to pass an <tt>:authenticity_token</tt> parameter
-      #
-      #   <%= form_for @invoice, url: external_url, authenticity_token: 'external_token' do |f|
-      #     ...
-      #   <% end %>
-      #
-      # If you don't want to an authenticity token field be rendered at all just pass <tt>false</tt>:
-      #
-      #   <%= form_for @invoice, url: external_url, authenticity_token: false do |f|
-      #     ...
-      #   <% end %>
-      def form_for(record, options = {}, &block)
-        raise ArgumentError, "Missing block" unless block_given?
-        html_options = options[:html] ||= {}
-
-        case record
-        when String, Symbol
-          object_name = record
-          object      = nil
-        else
-          object      = record.is_a?(Array) ? record.last : record
-          raise ArgumentError, "First argument in form cannot contain nil or be empty" unless object
-          object_name = options[:as] || model_name_from_record_or_class(object).param_key
-          apply_form_for_options!(record, object, options)
-        end
-
-        html_options[:data]   = options.delete(:data)   if options.has_key?(:data)
-        html_options[:remote] = options.delete(:remote) if options.has_key?(:remote)
-        html_options[:method] = options.delete(:method) if options.has_key?(:method)
-        html_options[:authenticity_token] = options.delete(:authenticity_token)
-
-        builder = instantiate_builder(object_name, object, options)
-        output  = capture(builder, &block)
-        html_options[:multipart] ||= builder.multipart?
-
-        form_tag(options[:url] || {}, html_options) { output }
-      end
-
-      def apply_form_for_options!(record, object, options) #:nodoc:
-        object = convert_to_model(object)
-
-        as = options[:as]
-        action, method = object.respond_to?(:persisted?) && object.persisted? ? [:edit, :patch] : [:new, :post]
-        options[:html].reverse_merge!(
-          class:  as ? "#{action}_#{as}" : dom_class(object, action),
-          id:     as ? "#{action}_#{as}" : [options[:namespace], dom_id(object, action)].compact.join("_").presence,
-          method: method
-        )
-
-        options[:url] ||= polymorphic_path(record, format: options.delete(:format))
-      end
-      private :apply_form_for_options!
-
-      # Creates a scope around a specific model object like form_for, but
-      # doesn't create the form tags themselves. This makes fields_for suitable
-      # for specifying additional model objects in the same form.
-      #
-      # Although the usage and purpose of +field_for+ is similar to +form_for+'s,
-      # its method signature is slightly different. Like +form_for+, it yields
-      # a FormBuilder object associated with a particular model object to a block,
-      # and within the block allows methods to be called on the builder to
-      # generate fields associated with the model object. Fields may reflect
-      # a model object in two ways - how they are named (hence how submitted
-      # values appear within the +params+ hash in the controller) and what
-      # default values are shown when the form the fields appear in is first
-      # displayed. In order for both of these features to be specified independently,
-      # both an object name (represented by either a symbol or string) and the
-      # object itself can be passed to the method separately -
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     First name: <%= person_form.text_field :first_name %>
-      #     Last name : <%= person_form.text_field :last_name %>
-      #
-      #     <%= fields_for :permission, @person.permission do |permission_fields| %>
-      #       Admin?  : <%= permission_fields.check_box :admin %>
-      #     <% end %>
-      #
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # In this case, the checkbox field will be represented by an HTML +input+
-      # tag with the +name+ attribute <tt>permission[admin]</tt>, and the submitted
-      # value will appear in the controller as <tt>params[:permission][:admin]</tt>.
-      # If <tt>@person.permission</tt> is an existing record with an attribute
-      # +admin+, the initial state of the checkbox when first displayed will
-      # reflect the value of <tt>@person.permission.admin</tt>.
-      #
-      # Often this can be simplified by passing just the name of the model
-      # object to +fields_for+ -
-      #
-      #   <%= fields_for :permission do |permission_fields| %>
-      #     Admin?: <%= permission_fields.check_box :admin %>
-      #   <% end %>
-      #
-      # ...in which case, if <tt>:permission</tt> also happens to be the name of an
-      # instance variable <tt>@permission</tt>, the initial state of the input
-      # field will reflect the value of that variable's attribute <tt>@permission.admin</tt>.
-      #
-      # Alternatively, you can pass just the model object itself (if the first
-      # argument isn't a string or symbol +fields_for+ will realize that the
-      # name has been omitted) -
-      #
-      #   <%= fields_for @person.permission do |permission_fields| %>
-      #     Admin?: <%= permission_fields.check_box :admin %>
-      #   <% end %>
-      #
-      # and +fields_for+ will derive the required name of the field from the
-      # _class_ of the model object, e.g. if <tt>@person.permission</tt>, is
-      # of class +Permission+, the field will still be named <tt>permission[admin]</tt>.
-      #
-      # Note: This also works for the methods in FormOptionHelper and
-      # DateHelper that are designed to work with an object as base, like
-      # FormOptionHelper#collection_select and DateHelper#datetime_select.
-      #
-      # === Nested Attributes Examples
-      #
-      # When the object belonging to the current scope has a nested attribute
-      # writer for a certain attribute, fields_for will yield a new scope
-      # for that attribute. This allows you to create forms that set or change
-      # the attributes of a parent object and its associations in one go.
-      #
-      # Nested attribute writers are normal setter methods named after an
-      # association. The most common way of defining these writers is either
-      # with +accepts_nested_attributes_for+ in a model definition or by
-      # defining a method with the proper name. For example: the attribute
-      # writer for the association <tt>:address</tt> is called
-      # <tt>address_attributes=</tt>.
-      #
-      # Whether a one-to-one or one-to-many style form builder will be yielded
-      # depends on whether the normal reader method returns a _single_ object
-      # or an _array_ of objects.
-      #
-      # ==== One-to-one
-      #
-      # Consider a Person class which returns a _single_ Address from the
-      # <tt>address</tt> reader method and responds to the
-      # <tt>address_attributes=</tt> writer method:
-      #
-      #   class Person
-      #     def address
-      #       @address
-      #     end
-      #
-      #     def address_attributes=(attributes)
-      #       # Process the attributes hash
-      #     end
-      #   end
-      #
-      # This model can now be used with a nested fields_for, like so:
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :address do |address_fields| %>
-      #       Street  : <%= address_fields.text_field :street %>
-      #       Zip code: <%= address_fields.text_field :zip_code %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # When address is already an association on a Person you can use
-      # +accepts_nested_attributes_for+ to define the writer method for you:
-      #
-      #   class Person < ActiveRecord::Base
-      #     has_one :address
-      #     accepts_nested_attributes_for :address
-      #   end
-      #
-      # If you want to destroy the associated model through the form, you have
-      # to enable it first using the <tt>:allow_destroy</tt> option for
-      # +accepts_nested_attributes_for+:
-      #
-      #   class Person < ActiveRecord::Base
-      #     has_one :address
-      #     accepts_nested_attributes_for :address, allow_destroy: true
-      #   end
-      #
-      # Now, when you use a form element with the <tt>_destroy</tt> parameter,
-      # with a value that evaluates to +true+, you will destroy the associated
-      # model (eg. 1, '1', true, or 'true'):
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :address do |address_fields| %>
-      #       ...
-      #       Delete: <%= address_fields.check_box :_destroy %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # ==== One-to-many
-      #
-      # Consider a Person class which returns an _array_ of Project instances
-      # from the <tt>projects</tt> reader method and responds to the
-      # <tt>projects_attributes=</tt> writer method:
-      #
-      #   class Person
-      #     def projects
-      #       [@project1, @project2]
-      #     end
-      #
-      #     def projects_attributes=(attributes)
-      #       # Process the attributes hash
-      #     end
-      #   end
-      #
-      # Note that the <tt>projects_attributes=</tt> writer method is in fact
-      # required for fields_for to correctly identify <tt>:projects</tt> as a
-      # collection, and the correct indices to be set in the form markup.
-      #
-      # When projects is already an association on Person you can use
-      # +accepts_nested_attributes_for+ to define the writer method for you:
-      #
-      #   class Person < ActiveRecord::Base
-      #     has_many :projects
-      #     accepts_nested_attributes_for :projects
-      #   end
-      #
-      # This model can now be used with a nested fields_for. The block given to
-      # the nested fields_for call will be repeated for each instance in the
-      # collection:
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :projects do |project_fields| %>
-      #       <% if project_fields.object.active? %>
-      #         Name: <%= project_fields.text_field :name %>
-      #       <% end %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # It's also possible to specify the instance to be used:
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <% @person.projects.each do |project| %>
-      #       <% if project.active? %>
-      #         <%= person_form.fields_for :projects, project do |project_fields| %>
-      #           Name: <%= project_fields.text_field :name %>
-      #         <% end %>
-      #       <% end %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # Or a collection to be used:
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :projects, @active_projects do |project_fields| %>
-      #       Name: <%= project_fields.text_field :name %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # If you want to destroy any of the associated models through the
-      # form, you have to enable it first using the <tt>:allow_destroy</tt>
-      # option for +accepts_nested_attributes_for+:
-      #
-      #   class Person < ActiveRecord::Base
-      #     has_many :projects
-      #     accepts_nested_attributes_for :projects, allow_destroy: true
-      #   end
-      #
-      # This will allow you to specify which models to destroy in the
-      # attributes hash by adding a form element for the <tt>_destroy</tt>
-      # parameter with a value that evaluates to +true+
-      # (eg. 1, '1', true, or 'true'):
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :projects do |project_fields| %>
-      #       Delete: <%= project_fields.check_box :_destroy %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # When a collection is used you might want to know the index of each
-      # object into the array. For this purpose, the <tt>index</tt> method
-      # is available in the FormBuilder object.
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :projects do |project_fields| %>
-      #       Project #<%= project_fields.index %>
-      #       ...
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # Note that fields_for will automatically generate a hidden field
-      # to store the ID of the record. There are circumstances where this
-      # hidden field is not needed and you can pass <tt>include_id: false</tt>
-      # to prevent fields_for from rendering it automatically.
-      def fields_for(record_name, record_object = nil, options = {}, &block)
-        builder = instantiate_builder(record_name, record_object, options)
-        capture(builder, &block)
-      end
-
-      # Returns a label tag tailored for labelling an input field for a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). The text of label will default to the attribute name unless a translation
-      # is found in the current I18n locale (through helpers.label.<modelname>.<attribute>) or you specify it explicitly.
-      # Additional options on the label tag can be passed as a hash with +options+. These options will be tagged
-      # onto the HTML as an HTML element attribute as in the example shown, except for the <tt>:value</tt> option, which is designed to
-      # target labels for radio_button tags (where the value is used in the ID of the input tag).
-      #
-      # ==== Examples
-      #   label(:post, :title)
-      #   # => <label for="post_title">Title</label>
-      #
-      # You can localize your labels based on model and attribute names.
-      # For example you can define the following in your locale (e.g. en.yml)
-      #
-      #   helpers:
-      #     label:
-      #       post:
-      #         body: "Write your entire text here"
-      #
-      # Which then will result in
-      #
-      #   label(:post, :body)
-      #   # => <label for="post_body">Write your entire text here</label>
-      #
-      # Localization can also be based purely on the translation of the attribute-name
-      # (if you are using ActiveRecord):
-      #
-      #   activerecord:
-      #     attributes:
-      #       post:
-      #         cost: "Total cost"
-      #
-      #   label(:post, :cost)
-      #   # => <label for="post_cost">Total cost</label>
-      #
-      #   label(:post, :title, "A short title")
-      #   # => <label for="post_title">A short title</label>
-      #
-      #   label(:post, :title, "A short title", class: "title_label")
-      #   # => <label for="post_title" class="title_label">A short title</label>
-      #
-      #   label(:post, :privacy, "Public Post", value: "public")
-      #   # => <label for="post_privacy_public">Public Post</label>
-      #
-      #   label(:post, :terms) do
-      #     'Accept <a href="/terms">Terms</a>.'.html_safe
-      #   end
-      def label(object_name, method, content_or_options = nil, options = nil, &block)
-        Tags::Label.new(object_name, method, self, content_or_options, options).render(&block)
-      end
-
-      # Returns an input tag of the "text" type tailored for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). Additional options on the input tag can be passed as a
-      # hash with +options+. These options will be tagged onto the HTML as an HTML element attribute as in the example
-      # shown.
-      #
-      # ==== Examples
-      #   text_field(:post, :title, size: 20)
-      #   # => <input type="text" id="post_title" name="post[title]" size="20" value="#{@post.title}" />
-      #
-      #   text_field(:post, :title, class: "create_input")
-      #   # => <input type="text" id="post_title" name="post[title]" value="#{@post.title}" class="create_input" />
-      #
-      #   text_field(:session, :user, onchange: "if ($('#session_user').val() === 'admin') { alert('Your login can not be admin!'); }")
-      #   # => <input type="text" id="session_user" name="session[user]" value="#{@session.user}" onchange="if ($('#session_user').val() === 'admin') { alert('Your login can not be admin!'); }"/>
-      #
-      #   text_field(:snippet, :code, size: 20, class: 'code_input')
-      #   # => <input type="text" id="snippet_code" name="snippet[code]" size="20" value="#{@snippet.code}" class="code_input" />
-      def text_field(object_name, method, options = {})
-        Tags::TextField.new(object_name, method, self, options).render
-      end
-
-      # Returns an input tag of the "password" type tailored for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). Additional options on the input tag can be passed as a
-      # hash with +options+. These options will be tagged onto the HTML as an HTML element attribute as in the example
-      # shown. For security reasons this field is blank by default; pass in a value via +options+ if this is not desired.
-      #
-      # ==== Examples
-      #   password_field(:login, :pass, size: 20)
-      #   # => <input type="password" id="login_pass" name="login[pass]" size="20" />
-      #
-      #   password_field(:account, :secret, class: "form_input", value: @account.secret)
-      #   # => <input type="password" id="account_secret" name="account[secret]" value="#{@account.secret}" class="form_input" />
-      #
-      #   password_field(:user, :password, onchange: "if ($('#user_password').val().length > 30) { alert('Your password needs to be shorter!'); }")
-      #   # => <input type="password" id="user_password" name="user[password]" onchange="if ($('#user_password').val().length > 30) { alert('Your password needs to be shorter!'); }"/>
-      #
-      #   password_field(:account, :pin, size: 20, class: 'form_input')
-      #   # => <input type="password" id="account_pin" name="account[pin]" size="20" class="form_input" />
-      def password_field(object_name, method, options = {})
-        Tags::PasswordField.new(object_name, method, self, options).render
-      end
-
-      # Returns a hidden input tag tailored for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). Additional options on the input tag can be passed as a
-      # hash with +options+. These options will be tagged onto the HTML as an HTML element attribute as in the example
-      # shown.
-      #
-      # ==== Examples
-      #   hidden_field(:signup, :pass_confirm)
-      #   # => <input type="hidden" id="signup_pass_confirm" name="signup[pass_confirm]" value="#{@signup.pass_confirm}" />
-      #
-      #   hidden_field(:post, :tag_list)
-      #   # => <input type="hidden" id="post_tag_list" name="post[tag_list]" value="#{@post.tag_list}" />
-      #
-      #   hidden_field(:user, :token)
-      #   # => <input type="hidden" id="user_token" name="user[token]" value="#{@user.token}" />
-      def hidden_field(object_name, method, options = {})
-        Tags::HiddenField.new(object_name, method, self, options).render
-      end
-
-      # Returns a file upload input tag tailored for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). Additional options on the input tag can be passed as a
-      # hash with +options+. These options will be tagged onto the HTML as an HTML element attribute as in the example
-      # shown.
-      #
-      # Using this method inside a +form_for+ block will set the enclosing form's encoding to <tt>multipart/form-data</tt>.
-      #
-      # ==== Options
-      # * Creates standard HTML attributes for the tag.
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * <tt>:multiple</tt> - If set to true, *in most updated browsers* the user will be allowed to select multiple files.
-      # * <tt>:accept</tt> - If set to one or multiple mime-types, the user will be suggested a filter when choosing a file. You still need to set up model validations.
-      #
-      # ==== Examples
-      #   file_field(:user, :avatar)
-      #   # => <input type="file" id="user_avatar" name="user[avatar]" />
-      #
-      #   file_field(:post, :image, :multiple => true)
-      #   # => <input type="file" id="post_image" name="post[image]" multiple="true" />
-      #
-      #   file_field(:post, :attached, accept: 'text/html')
-      #   # => <input accept="text/html" type="file" id="post_attached" name="post[attached]" />
-      #
-      #   file_field(:post, :image, accept: 'image/png,image/gif,image/jpeg')
-      #   # => <input type="file" id="post_image" name="post[image]" accept="image/png,image/gif,image/jpeg" />
-      #
-      #   file_field(:attachment, :file, class: 'file_input')
-      #   # => <input type="file" id="attachment_file" name="attachment[file]" class="file_input" />
-      def file_field(object_name, method, options = {})
-        Tags::FileField.new(object_name, method, self, options).render
-      end
-
-      # Returns a textarea opening and closing tag set tailored for accessing a specified attribute (identified by +method+)
-      # on an object assigned to the template (identified by +object+). Additional options on the input tag can be passed as a
-      # hash with +options+.
-      #
-      # ==== Examples
-      #   text_area(:post, :body, cols: 20, rows: 40)
-      #   # => <textarea cols="20" rows="40" id="post_body" name="post[body]">
-      #   #      #{@post.body}
-      #   #    </textarea>
-      #
-      #   text_area(:comment, :text, size: "20x30")
-      #   # => <textarea cols="20" rows="30" id="comment_text" name="comment[text]">
-      #   #      #{@comment.text}
-      #   #    </textarea>
-      #
-      #   text_area(:application, :notes, cols: 40, rows: 15, class: 'app_input')
-      #   # => <textarea cols="40" rows="15" id="application_notes" name="application[notes]" class="app_input">
-      #   #      #{@application.notes}
-      #   #    </textarea>
-      #
-      #   text_area(:entry, :body, size: "20x20", disabled: 'disabled')
-      #   # => <textarea cols="20" rows="20" id="entry_body" name="entry[body]" disabled="disabled">
-      #   #      #{@entry.body}
-      #   #    </textarea>
-      def text_area(object_name, method, options = {})
-        Tags::TextArea.new(object_name, method, self, options).render
-      end
-
-      # Returns a checkbox tag tailored for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). This object must be an instance object (@object) and not a local object.
-      # It's intended that +method+ returns an integer and if that integer is above zero, then the checkbox is checked.
-      # Additional options on the input tag can be passed as a hash with +options+. The +checked_value+ defaults to 1
-      # while the default +unchecked_value+ is set to 0 which is convenient for boolean values.
-      #
-      # ==== Gotcha
-      #
-      # The HTML specification says unchecked check boxes are not successful, and
-      # thus web browsers do not send them. Unfortunately this introduces a gotcha:
-      # if an +Invoice+ model has a +paid+ flag, and in the form that edits a paid
-      # invoice the user unchecks its check box, no +paid+ parameter is sent. So,
-      # any mass-assignment idiom like
-      #
-      #   @invoice.update(params[:invoice])
-      #
-      # wouldn't update the flag.
-      #
-      # To prevent this the helper generates an auxiliary hidden field before
-      # the very check box. The hidden field has the same name and its
-      # attributes mimic an unchecked check box.
-      #
-      # This way, the client either sends only the hidden field (representing
-      # the check box is unchecked), or both fields. Since the HTML specification
-      # says key/value pairs have to be sent in the same order they appear in the
-      # form, and parameters extraction gets the last occurrence of any repeated
-      # key in the query string, that works for ordinary forms.
-      #
-      # Unfortunately that workaround does not work when the check box goes
-      # within an array-like parameter, as in
-      #
-      #   <%= fields_for "project[invoice_attributes][]", invoice, index: nil do |form| %>
-      #     <%= form.check_box :paid %>
-      #     ...
-      #   <% end %>
-      #
-      # because parameter name repetition is precisely what Rails seeks to distinguish
-      # the elements of the array. For each item with a checked check box you
-      # get an extra ghost item with only that attribute, assigned to "0".
-      #
-      # In that case it is preferable to either use +check_box_tag+ or to use
-      # hashes instead of arrays.
-      #
-      #   # Let's say that @post.validated? is 1:
-      #   check_box("post", "validated")
-      #   # => <input name="post[validated]" type="hidden" value="0" />
-      #   #    <input checked="checked" type="checkbox" id="post_validated" name="post[validated]" value="1" />
-      #
-      #   # Let's say that @puppy.gooddog is "no":
-      #   check_box("puppy", "gooddog", {}, "yes", "no")
-      #   # => <input name="puppy[gooddog]" type="hidden" value="no" />
-      #   #    <input type="checkbox" id="puppy_gooddog" name="puppy[gooddog]" value="yes" />
-      #
-      #   check_box("eula", "accepted", { class: 'eula_check' }, "yes", "no")
-      #   # => <input name="eula[accepted]" type="hidden" value="no" />
-      #   #    <input type="checkbox" class="eula_check" id="eula_accepted" name="eula[accepted]" value="yes" />
-      def check_box(object_name, method, options = {}, checked_value = "1", unchecked_value = "0")
-        Tags::CheckBox.new(object_name, method, self, checked_value, unchecked_value, options).render
-      end
-
-      # Returns a radio button tag for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). If the current value of +method+ is +tag_value+ the
-      # radio button will be checked.
-      #
-      # To force the radio button to be checked pass <tt>checked: true</tt> in the
-      # +options+ hash. You may pass HTML options there as well.
-      #
-      #   # Let's say that @post.category returns "rails":
-      #   radio_button("post", "category", "rails")
-      #   radio_button("post", "category", "java")
-      #   # => <input type="radio" id="post_category_rails" name="post[category]" value="rails" checked="checked" />
-      #   #    <input type="radio" id="post_category_java" name="post[category]" value="java" />
-      #
-      #   radio_button("user", "receive_newsletter", "yes")
-      #   radio_button("user", "receive_newsletter", "no")
-      #   # => <input type="radio" id="user_receive_newsletter_yes" name="user[receive_newsletter]" value="yes" />
-      #   #    <input type="radio" id="user_receive_newsletter_no" name="user[receive_newsletter]" value="no" checked="checked" />
-      def radio_button(object_name, method, tag_value, options = {})
-        Tags::RadioButton.new(object_name, method, self, tag_value, options).render
-      end
-
-      # Returns a text_field of type "color".
-      #
-      #   color_field("car", "color")
-      #   # => <input id="car_color" name="car[color]" type="color" value="#000000" />
-      def color_field(object_name, method, options = {})
-        Tags::ColorField.new(object_name, method, self, options).render
-      end
-
-      # Returns an input of type "search" for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object_name+). Inputs of type "search" may be styled differently by
-      # some browsers.
-      #
-      #   search_field(:user, :name)
-      #   # => <input id="user_name" name="user[name]" type="search" />
-      #   search_field(:user, :name, autosave: false)
-      #   # => <input autosave="false" id="user_name" name="user[name]" type="search" />
-      #   search_field(:user, :name, results: 3)
-      #   # => <input id="user_name" name="user[name]" results="3" type="search" />
-      #   #  Assume request.host returns "www.example.com"
-      #   search_field(:user, :name, autosave: true)
-      #   # => <input autosave="com.example.www" id="user_name" name="user[name]" results="10" type="search" />
-      #   search_field(:user, :name, onsearch: true)
-      #   # => <input id="user_name" incremental="true" name="user[name]" onsearch="true" type="search" />
-      #   search_field(:user, :name, autosave: false, onsearch: true)
-      #   # => <input autosave="false" id="user_name" incremental="true" name="user[name]" onsearch="true" type="search" />
-      #   search_field(:user, :name, autosave: true, onsearch: true)
-      #   # => <input autosave="com.example.www" id="user_name" incremental="true" name="user[name]" onsearch="true" results="10" type="search" />
-      def search_field(object_name, method, options = {})
-        Tags::SearchField.new(object_name, method, self, options).render
-      end
-
-      # Returns a text_field of type "tel".
-      #
-      #   telephone_field("user", "phone")
-      #   # => <input id="user_phone" name="user[phone]" type="tel" />
-      #
-      def telephone_field(object_name, method, options = {})
-        Tags::TelField.new(object_name, method, self, options).render
-      end
-      # aliases telephone_field
-      alias phone_field telephone_field
-
-      # Returns a text_field of type "date".
-      #
-      #   date_field("user", "born_on")
-      #   # => <input id="user_born_on" name="user[born_on]" type="date" />
-      #
-      # The default value is generated by trying to call "to_date"
-      # on the object's value, which makes it behave as expected for instances
-      # of DateTime and ActiveSupport::TimeWithZone. You can still override that
-      # by passing the "value" option explicitly, e.g.
-      #
-      #   @user.born_on = Date.new(1984, 1, 27)
-      #   date_field("user", "born_on", value: "1984-05-12")
-      #   # => <input id="user_born_on" name="user[born_on]" type="date" value="1984-05-12" />
-      #
-      def date_field(object_name, method, options = {})
-        Tags::DateField.new(object_name, method, self, options).render
-      end
-
-      # Returns a text_field of type "time".
-      #
-      # The default value is generated by trying to call +strftime+ with "%T.%L"
-      # on the objects's value. It is still possible to override that
-      # by passing the "value" option.
-      #
-      # === Options
-      # * Accepts same options as time_field_tag
-      #
-      # === Example
-      #   time_field("task", "started_at")
-      #   # => <input id="task_started_at" name="task[started_at]" type="time" />
-      #
-      def time_field(object_name, method, options = {})
-        Tags::TimeField.new(object_name, method, self, options).render
-      end
-
-      # Returns a text_field of type "datetime".
-      #
-      #   datetime_field("user", "born_on")
-      #   # => <input id="user_born_on" name="user[born_on]" type="datetime" />
-      #
-      # The default value is generated by trying to call +strftime+ with "%Y-%m-%dT%T.%L%z"
-      # on the object's value, which makes it behave as expected for instances
-      # of DateTime and ActiveSupport::TimeWithZone.
-      #
-      #   @user.born_on = Date.new(1984, 1, 12)
-      #   datetime_field("user", "born_on")
-      #   # => <input id="user_born_on" name="user[born_on]" type="datetime" value="1984-01-12T00:00:00.000+0000" />
-      #
-      def datetime_field(object_name, method, options = {})
-        Tags::DatetimeField.new(object_name, method, self, options).render
-      end
-
-      # Returns a text_field of type "datetime-local".
-      #
-      #   datetime_local_field("user", "born_on")
-      #   # => <input id="user_born_on" name="user[born_on]" type="datetime-local" />
-      #
-      # The default value is generated by trying to call +strftime+ with "%Y-%m-%dT%T"
-      # on the object's value, which makes it behave as expected for instances
-      # of DateTime and ActiveSupport::TimeWithZone.
-      #
-      #   @user.born_on = Date.new(1984, 1, 12)
-      #   datetime_local_field("user", "born_on")
-      #   # => <input id="user_born_on" name="user[born_on]" type="datetime-local" value="1984-01-12T00:00:00" />
-      #
-      def datetime_local_field(object_name, method, options = {})
-        Tags::DatetimeLocalField.new(object_name, method, self, options).render
-      end
-
-      # Returns a text_field of type "month".
-      #
-      #   month_field("user", "born_on")
-      #   # => <input id="user_born_on" name="user[born_on]" type="month" />
-      #
-      # The default value is generated by trying to call +strftime+ with "%Y-%m"
-      # on the object's value, which makes it behave as expected for instances
-      # of DateTime and ActiveSupport::TimeWithZone.
-      #
-      #   @user.born_on = Date.new(1984, 1, 27)
-      #   month_field("user", "born_on")
-      #   # => <input id="user_born_on" name="user[born_on]" type="date" value="1984-01" />
-      #
-      def month_field(object_name, method, options = {})
-        Tags::MonthField.new(object_name, method, self, options).render
-      end
-
-      # Returns a text_field of type "week".
-      #
-      #   week_field("user", "born_on")
-      #   # => <input id="user_born_on" name="user[born_on]" type="week" />
-      #
-      # The default value is generated by trying to call +strftime+ with "%Y-W%W"
-      # on the object's value, which makes it behave as expected for instances
-      # of DateTime and ActiveSupport::TimeWithZone.
-      #
-      #   @user.born_on = Date.new(1984, 5, 12)
-      #   week_field("user", "born_on")
-      #   # => <input id="user_born_on" name="user[born_on]" type="date" value="1984-W19" />
-      #
-      def week_field(object_name, method, options = {})
-        Tags::WeekField.new(object_name, method, self, options).render
-      end
-
-      # Returns a text_field of type "url".
-      #
-      #   url_field("user", "homepage")
-      #   # => <input id="user_homepage" name="user[homepage]" type="url" />
-      #
-      def url_field(object_name, method, options = {})
-        Tags::UrlField.new(object_name, method, self, options).render
-      end
-
-      # Returns a text_field of type "email".
-      #
-      #   email_field("user", "address")
-      #   # => <input id="user_address" name="user[address]" type="email" />
-      #
-      def email_field(object_name, method, options = {})
-        Tags::EmailField.new(object_name, method, self, options).render
-      end
-
-      # Returns an input tag of type "number".
-      #
-      # ==== Options
-      # * Accepts same options as number_field_tag
-      def number_field(object_name, method, options = {})
-        Tags::NumberField.new(object_name, method, self, options).render
-      end
-
-      # Returns an input tag of type "range".
-      #
-      # ==== Options
-      # * Accepts same options as range_field_tag
-      def range_field(object_name, method, options = {})
-        Tags::RangeField.new(object_name, method, self, options).render
-      end
-
-      private
-
-        def instantiate_builder(record_name, record_object, options)
-          case record_name
-          when String, Symbol
-            object = record_object
-            object_name = record_name
-          else
-            object = record_name
-            object_name = model_name_from_record_or_class(object).param_key
-          end
-
-          builder = options[:builder] || default_form_builder
-          builder.new(object_name, object, self, options)
-        end
-
-        def default_form_builder
-          builder = ActionView::Base.default_form_builder
-          builder.respond_to?(:constantize) ? builder.constantize : builder
-        end
-    end
-
-    # A +FormBuilder+ object is associated with a particular model object and
-    # allows you to generate fields associated with the model object. The
-    # +FormBuilder+ object is yielded when using +form_for+ or +fields_for+.
-    # For example:
-    #
-    #   <%= form_for @person do |person_form| %>
-    #     Name: <%= person_form.text_field :name %>
-    #     Admin: <%= person_form.check_box :admin %>
-    #   <% end %>
-    #
-    # In the above block, the a +FormBuilder+ object is yielded as the
-    # +person_form+ variable. This allows you to generate the +text_field+
-    # and +check_box+ fields by specifying their eponymous methods, which
-    # modify the underlying template and associates the +@person+ model object
-    # with the form.
-    #
-    # The +FormBuilder+ object can be thought of as serving as a proxy for the
-    # methods in the +FormHelper+ module. This class, however, allows you to
-    # call methods with the model object you are building the form for.
-    #
-    # You can create your own custom FormBuilder templates by subclasses this
-    # class. For example:
-    #
-    #   class MyFormBuilder < ActionView::Helpers::FormBuilder
-    #     def div_radio_button(method, tag_value, options = {})
-    #       @template.content_tag(:div,
-    #         @template.radio_button(
-    #           @object_name, method, tag_value, objectify_options(options)
-    #         )
-    #       )
-    #     end
-    #
-    # The above code creates a new method +div_radio_button+ which wraps a div
-    # around the a new radio button. Note that when options are passed in, you
-    # must called +objectify_options+ in order for the model object to get
-    # correctly passed to the method. If +objectify_options+ is not called,
-    # then the newly created helper will not be linked back to the model.
-    #
-    # The +div_radio_button+ code from above can now be used as follows:
-    #
-    #   <%= form_for @person, :builder => MyFormBuilder do |f| %>
-    #     I am a child: <%= f.div_radio_button(:admin, "child") %>
-    #     I am an adult: <%= f.div_radio_button(:admin, "adult") %>
-    #   <% end -%>
-    #
-    # The standard set of helper methods for form building are located in the
-    # +field_helpers+ class attribute.
-    class FormBuilder
-      include ModelNaming
-
-      # The methods which wrap a form helper call.
-      class_attribute :field_helpers
-      self.field_helpers = [:fields_for, :label, :text_field, :password_field,
-                            :hidden_field, :file_field, :text_area, :check_box,
-                            :radio_button, :color_field, :search_field,
-                            :telephone_field, :phone_field, :date_field,
-                            :time_field, :datetime_field, :datetime_local_field,
-                            :month_field, :week_field, :url_field, :email_field,
-                            :number_field, :range_field]
-
-      attr_accessor :object_name, :object, :options
-
-      attr_reader :multipart, :index
-      alias :multipart? :multipart
-
-      def multipart=(multipart)
-        @multipart = multipart
-
-        if parent_builder = @options[:parent_builder]
-          parent_builder.multipart = multipart
-        end
-      end
-
-      def self._to_partial_path
-        @_to_partial_path ||= name.demodulize.underscore.sub!(/_builder$/, '')
-      end
-
-      def to_partial_path
-        self.class._to_partial_path
-      end
-
-      def to_model
-        self
-      end
-
-      def initialize(object_name, object, template, options, block=nil)
-        if block
-          ActiveSupport::Deprecation.warn "Giving a block to FormBuilder is deprecated and has no effect anymore."
-        end
-
-        @nested_child_index = {}
-        @object_name, @object, @template, @options = object_name, object, template, options
-        @default_options = @options ? @options.slice(:index, :namespace) : {}
-        if @object_name.to_s.match(/\[\]$/)
-          if object ||= @template.instance_variable_get("@#{Regexp.last_match.pre_match}") and object.respond_to?(:to_param)
-            @auto_index = object.to_param
-          else
-            raise ArgumentError, "object[] naming but object param and @object var don't exist or don't respond to to_param: #{object.inspect}"
-          end
-        end
-        @multipart = nil
-        @index = options[:index] || options[:child_index]
-      end
-
-      (field_helpers - [:label, :check_box, :radio_button, :fields_for, :hidden_field, :file_field]).each do |selector|
-        class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
-          def #{selector}(method, options = {})  # def text_field(method, options = {})
-            @template.send(                      #   @template.send(
-              #{selector.inspect},               #     "text_field",
-              @object_name,                      #     @object_name,
-              method,                            #     method,
-              objectify_options(options))        #     objectify_options(options))
-          end                                    # end
-        RUBY_EVAL
-      end
-
-      # Creates a scope around a specific model object like form_for, but
-      # doesn't create the form tags themselves. This makes fields_for suitable
-      # for specifying additional model objects in the same form.
-      #
-      # Although the usage and purpose of +field_for+ is similar to +form_for+'s,
-      # its method signature is slightly different. Like +form_for+, it yields
-      # a FormBuilder object associated with a particular model object to a block,
-      # and within the block allows methods to be called on the builder to
-      # generate fields associated with the model object. Fields may reflect
-      # a model object in two ways - how they are named (hence how submitted
-      # values appear within the +params+ hash in the controller) and what
-      # default values are shown when the form the fields appear in is first
-      # displayed. In order for both of these features to be specified independently,
-      # both an object name (represented by either a symbol or string) and the
-      # object itself can be passed to the method separately -
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     First name: <%= person_form.text_field :first_name %>
-      #     Last name : <%= person_form.text_field :last_name %>
-      #
-      #     <%= fields_for :permission, @person.permission do |permission_fields| %>
-      #       Admin?  : <%= permission_fields.check_box :admin %>
-      #     <% end %>
-      #
-      #     <%= person_form.submit %>
-      #   <% end %>
-      #
-      # In this case, the checkbox field will be represented by an HTML +input+
-      # tag with the +name+ attribute <tt>permission[admin]</tt>, and the submitted
-      # value will appear in the controller as <tt>params[:permission][:admin]</tt>.
-      # If <tt>@person.permission</tt> is an existing record with an attribute
-      # +admin+, the initial state of the checkbox when first displayed will
-      # reflect the value of <tt>@person.permission.admin</tt>.
-      #
-      # Often this can be simplified by passing just the name of the model
-      # object to +fields_for+ -
-      #
-      #   <%= fields_for :permission do |permission_fields| %>
-      #     Admin?: <%= permission_fields.check_box :admin %>
-      #   <% end %>
-      #
-      # ...in which case, if <tt>:permission</tt> also happens to be the name of an
-      # instance variable <tt>@permission</tt>, the initial state of the input
-      # field will reflect the value of that variable's attribute <tt>@permission.admin</tt>.
-      #
-      # Alternatively, you can pass just the model object itself (if the first
-      # argument isn't a string or symbol +fields_for+ will realize that the
-      # name has been omitted) -
-      #
-      #   <%= fields_for @person.permission do |permission_fields| %>
-      #     Admin?: <%= permission_fields.check_box :admin %>
-      #   <% end %>
-      #
-      # and +fields_for+ will derive the required name of the field from the
-      # _class_ of the model object, e.g. if <tt>@person.permission</tt>, is
-      # of class +Permission+, the field will still be named <tt>permission[admin]</tt>.
-      #
-      # Note: This also works for the methods in FormOptionHelper and
-      # DateHelper that are designed to work with an object as base, like
-      # FormOptionHelper#collection_select and DateHelper#datetime_select.
-      #
-      # === Nested Attributes Examples
-      #
-      # When the object belonging to the current scope has a nested attribute
-      # writer for a certain attribute, fields_for will yield a new scope
-      # for that attribute. This allows you to create forms that set or change
-      # the attributes of a parent object and its associations in one go.
-      #
-      # Nested attribute writers are normal setter methods named after an
-      # association. The most common way of defining these writers is either
-      # with +accepts_nested_attributes_for+ in a model definition or by
-      # defining a method with the proper name. For example: the attribute
-      # writer for the association <tt>:address</tt> is called
-      # <tt>address_attributes=</tt>.
-      #
-      # Whether a one-to-one or one-to-many style form builder will be yielded
-      # depends on whether the normal reader method returns a _single_ object
-      # or an _array_ of objects.
-      #
-      # ==== One-to-one
-      #
-      # Consider a Person class which returns a _single_ Address from the
-      # <tt>address</tt> reader method and responds to the
-      # <tt>address_attributes=</tt> writer method:
-      #
-      #   class Person
-      #     def address
-      #       @address
-      #     end
-      #
-      #     def address_attributes=(attributes)
-      #       # Process the attributes hash
-      #     end
-      #   end
-      #
-      # This model can now be used with a nested fields_for, like so:
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :address do |address_fields| %>
-      #       Street  : <%= address_fields.text_field :street %>
-      #       Zip code: <%= address_fields.text_field :zip_code %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # When address is already an association on a Person you can use
-      # +accepts_nested_attributes_for+ to define the writer method for you:
-      #
-      #   class Person < ActiveRecord::Base
-      #     has_one :address
-      #     accepts_nested_attributes_for :address
-      #   end
-      #
-      # If you want to destroy the associated model through the form, you have
-      # to enable it first using the <tt>:allow_destroy</tt> option for
-      # +accepts_nested_attributes_for+:
-      #
-      #   class Person < ActiveRecord::Base
-      #     has_one :address
-      #     accepts_nested_attributes_for :address, allow_destroy: true
-      #   end
-      #
-      # Now, when you use a form element with the <tt>_destroy</tt> parameter,
-      # with a value that evaluates to +true+, you will destroy the associated
-      # model (eg. 1, '1', true, or 'true'):
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :address do |address_fields| %>
-      #       ...
-      #       Delete: <%= address_fields.check_box :_destroy %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # ==== One-to-many
-      #
-      # Consider a Person class which returns an _array_ of Project instances
-      # from the <tt>projects</tt> reader method and responds to the
-      # <tt>projects_attributes=</tt> writer method:
-      #
-      #   class Person
-      #     def projects
-      #       [@project1, @project2]
-      #     end
-      #
-      #     def projects_attributes=(attributes)
-      #       # Process the attributes hash
-      #     end
-      #   end
-      #
-      # Note that the <tt>projects_attributes=</tt> writer method is in fact
-      # required for fields_for to correctly identify <tt>:projects</tt> as a
-      # collection, and the correct indices to be set in the form markup.
-      #
-      # When projects is already an association on Person you can use
-      # +accepts_nested_attributes_for+ to define the writer method for you:
-      #
-      #   class Person < ActiveRecord::Base
-      #     has_many :projects
-      #     accepts_nested_attributes_for :projects
-      #   end
-      #
-      # This model can now be used with a nested fields_for. The block given to
-      # the nested fields_for call will be repeated for each instance in the
-      # collection:
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :projects do |project_fields| %>
-      #       <% if project_fields.object.active? %>
-      #         Name: <%= project_fields.text_field :name %>
-      #       <% end %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # It's also possible to specify the instance to be used:
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <% @person.projects.each do |project| %>
-      #       <% if project.active? %>
-      #         <%= person_form.fields_for :projects, project do |project_fields| %>
-      #           Name: <%= project_fields.text_field :name %>
-      #         <% end %>
-      #       <% end %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # Or a collection to be used:
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :projects, @active_projects do |project_fields| %>
-      #       Name: <%= project_fields.text_field :name %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # If you want to destroy any of the associated models through the
-      # form, you have to enable it first using the <tt>:allow_destroy</tt>
-      # option for +accepts_nested_attributes_for+:
-      #
-      #   class Person < ActiveRecord::Base
-      #     has_many :projects
-      #     accepts_nested_attributes_for :projects, allow_destroy: true
-      #   end
-      #
-      # This will allow you to specify which models to destroy in the
-      # attributes hash by adding a form element for the <tt>_destroy</tt>
-      # parameter with a value that evaluates to +true+
-      # (eg. 1, '1', true, or 'true'):
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :projects do |project_fields| %>
-      #       Delete: <%= project_fields.check_box :_destroy %>
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # When a collection is used you might want to know the index of each
-      # object into the array. For this purpose, the <tt>index</tt> method
-      # is available in the FormBuilder object.
-      #
-      #   <%= form_for @person do |person_form| %>
-      #     ...
-      #     <%= person_form.fields_for :projects do |project_fields| %>
-      #       Project #<%= project_fields.index %>
-      #       ...
-      #     <% end %>
-      #     ...
-      #   <% end %>
-      #
-      # Note that fields_for will automatically generate a hidden field
-      # to store the ID of the record. There are circumstances where this
-      # hidden field is not needed and you can pass <tt>include_id: false</tt>
-      # to prevent fields_for from rendering it automatically.
-      def fields_for(record_name, record_object = nil, fields_options = {}, &block)
-        fields_options, record_object = record_object, nil if record_object.is_a?(Hash) && record_object.extractable_options?
-        fields_options[:builder] ||= options[:builder]
-        fields_options[:namespace] = options[:namespace]
-        fields_options[:parent_builder] = self
-
-        case record_name
-        when String, Symbol
-          if nested_attributes_association?(record_name)
-            return fields_for_with_nested_attributes(record_name, record_object, fields_options, block)
-          end
-        else
-          record_object = record_name.is_a?(Array) ? record_name.last : record_name
-          record_name   = model_name_from_record_or_class(record_object).param_key
-        end
-
-        index = if options.has_key?(:index)
-          options[:index]
-        elsif defined?(@auto_index)
-          self.object_name = @object_name.to_s.sub(/\[\]$/,"")
-          @auto_index
-        end
-
-        record_name = index ? "#{object_name}[#{index}][#{record_name}]" : "#{object_name}[#{record_name}]"
-        fields_options[:child_index] = index
-
-        @template.fields_for(record_name, record_object, fields_options, &block)
-      end
-
-      # Returns a label tag tailored for labelling an input field for a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). The text of label will default to the attribute name unless a translation
-      # is found in the current I18n locale (through helpers.label.<modelname>.<attribute>) or you specify it explicitly.
-      # Additional options on the label tag can be passed as a hash with +options+. These options will be tagged
-      # onto the HTML as an HTML element attribute as in the example shown, except for the <tt>:value</tt> option, which is designed to
-      # target labels for radio_button tags (where the value is used in the ID of the input tag).
-      #
-      # ==== Examples
-      #   label(:post, :title)
-      #   # => <label for="post_title">Title</label>
-      #
-      # You can localize your labels based on model and attribute names.
-      # For example you can define the following in your locale (e.g. en.yml)
-      #
-      #   helpers:
-      #     label:
-      #       post:
-      #         body: "Write your entire text here"
-      #
-      # Which then will result in
-      #
-      #   label(:post, :body)
-      #   # => <label for="post_body">Write your entire text here</label>
-      #
-      # Localization can also be based purely on the translation of the attribute-name
-      # (if you are using ActiveRecord):
-      #
-      #   activerecord:
-      #     attributes:
-      #       post:
-      #         cost: "Total cost"
-      #
-      #   label(:post, :cost)
-      #   # => <label for="post_cost">Total cost</label>
-      #
-      #   label(:post, :title, "A short title")
-      #   # => <label for="post_title">A short title</label>
-      #
-      #   label(:post, :title, "A short title", class: "title_label")
-      #   # => <label for="post_title" class="title_label">A short title</label>
-      #
-      #   label(:post, :privacy, "Public Post", value: "public")
-      #   # => <label for="post_privacy_public">Public Post</label>
-      #
-      #   label(:post, :terms) do
-      #     'Accept <a href="/terms">Terms</a>.'.html_safe
-      #   end
-      def label(method, text = nil, options = {}, &block)
-        @template.label(@object_name, method, text, objectify_options(options), &block)
-      end
-
-      # Returns a checkbox tag tailored for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). This object must be an instance object (@object) and not a local object.
-      # It's intended that +method+ returns an integer and if that integer is above zero, then the checkbox is checked.
-      # Additional options on the input tag can be passed as a hash with +options+. The +checked_value+ defaults to 1
-      # while the default +unchecked_value+ is set to 0 which is convenient for boolean values.
-      #
-      # ==== Gotcha
-      #
-      # The HTML specification says unchecked check boxes are not successful, and
-      # thus web browsers do not send them. Unfortunately this introduces a gotcha:
-      # if an +Invoice+ model has a +paid+ flag, and in the form that edits a paid
-      # invoice the user unchecks its check box, no +paid+ parameter is sent. So,
-      # any mass-assignment idiom like
-      #
-      #   @invoice.update(params[:invoice])
-      #
-      # wouldn't update the flag.
-      #
-      # To prevent this the helper generates an auxiliary hidden field before
-      # the very check box. The hidden field has the same name and its
-      # attributes mimic an unchecked check box.
-      #
-      # This way, the client either sends only the hidden field (representing
-      # the check box is unchecked), or both fields. Since the HTML specification
-      # says key/value pairs have to be sent in the same order they appear in the
-      # form, and parameters extraction gets the last occurrence of any repeated
-      # key in the query string, that works for ordinary forms.
-      #
-      # Unfortunately that workaround does not work when the check box goes
-      # within an array-like parameter, as in
-      #
-      #   <%= fields_for "project[invoice_attributes][]", invoice, index: nil do |form| %>
-      #     <%= form.check_box :paid %>
-      #     ...
-      #   <% end %>
-      #
-      # because parameter name repetition is precisely what Rails seeks to distinguish
-      # the elements of the array. For each item with a checked check box you
-      # get an extra ghost item with only that attribute, assigned to "0".
-      #
-      # In that case it is preferable to either use +check_box_tag+ or to use
-      # hashes instead of arrays.
-      #
-      #   # Let's say that @post.validated? is 1:
-      #   check_box("post", "validated")
-      #   # => <input name="post[validated]" type="hidden" value="0" />
-      #   #    <input checked="checked" type="checkbox" id="post_validated" name="post[validated]" value="1" />
-      #
-      #   # Let's say that @puppy.gooddog is "no":
-      #   check_box("puppy", "gooddog", {}, "yes", "no")
-      #   # => <input name="puppy[gooddog]" type="hidden" value="no" />
-      #   #    <input type="checkbox" id="puppy_gooddog" name="puppy[gooddog]" value="yes" />
-      #
-      #   check_box("eula", "accepted", { class: 'eula_check' }, "yes", "no")
-      #   # => <input name="eula[accepted]" type="hidden" value="no" />
-      #   #    <input type="checkbox" class="eula_check" id="eula_accepted" name="eula[accepted]" value="yes" />
-      def check_box(method, options = {}, checked_value = "1", unchecked_value = "0")
-        @template.check_box(@object_name, method, objectify_options(options), checked_value, unchecked_value)
-      end
-
-      # Returns a radio button tag for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). If the current value of +method+ is +tag_value+ the
-      # radio button will be checked.
-      #
-      # To force the radio button to be checked pass <tt>checked: true</tt> in the
-      # +options+ hash. You may pass HTML options there as well.
-      #
-      #   # Let's say that @post.category returns "rails":
-      #   radio_button("post", "category", "rails")
-      #   radio_button("post", "category", "java")
-      #   # => <input type="radio" id="post_category_rails" name="post[category]" value="rails" checked="checked" />
-      #   #    <input type="radio" id="post_category_java" name="post[category]" value="java" />
-      #
-      #   radio_button("user", "receive_newsletter", "yes")
-      #   radio_button("user", "receive_newsletter", "no")
-      #   # => <input type="radio" id="user_receive_newsletter_yes" name="user[receive_newsletter]" value="yes" />
-      #   #    <input type="radio" id="user_receive_newsletter_no" name="user[receive_newsletter]" value="no" checked="checked" />
-      def radio_button(method, tag_value, options = {})
-        @template.radio_button(@object_name, method, tag_value, objectify_options(options))
-      end
-
-      # Returns a hidden input tag tailored for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). Additional options on the input tag can be passed as a
-      # hash with +options+. These options will be tagged onto the HTML as an HTML element attribute as in the example
-      # shown.
-      #
-      # ==== Examples
-      #   hidden_field(:signup, :pass_confirm)
-      #   # => <input type="hidden" id="signup_pass_confirm" name="signup[pass_confirm]" value="#{@signup.pass_confirm}" />
-      #
-      #   hidden_field(:post, :tag_list)
-      #   # => <input type="hidden" id="post_tag_list" name="post[tag_list]" value="#{@post.tag_list}" />
-      #
-      #   hidden_field(:user, :token)
-      #   # => <input type="hidden" id="user_token" name="user[token]" value="#{@user.token}" />
-      #
-      def hidden_field(method, options = {})
-        @emitted_hidden_id = true if method == :id
-        @template.hidden_field(@object_name, method, objectify_options(options))
-      end
-
-      # Returns a file upload input tag tailored for accessing a specified attribute (identified by +method+) on an object
-      # assigned to the template (identified by +object+). Additional options on the input tag can be passed as a
-      # hash with +options+. These options will be tagged onto the HTML as an HTML element attribute as in the example
-      # shown.
-      #
-      # Using this method inside a +form_for+ block will set the enclosing form's encoding to <tt>multipart/form-data</tt>.
-      #
-      # ==== Options
-      # * Creates standard HTML attributes for the tag.
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * <tt>:multiple</tt> - If set to true, *in most updated browsers* the user will be allowed to select multiple files.
-      # * <tt>:accept</tt> - If set to one or multiple mime-types, the user will be suggested a filter when choosing a file. You still need to set up model validations.
-      #
-      # ==== Examples
-      #   file_field(:user, :avatar)
-      #   # => <input type="file" id="user_avatar" name="user[avatar]" />
-      #
-      #   file_field(:post, :image, :multiple => true)
-      #   # => <input type="file" id="post_image" name="post[image]" multiple="true" />
-      #
-      #   file_field(:post, :attached, accept: 'text/html')
-      #   # => <input accept="text/html" type="file" id="post_attached" name="post[attached]" />
-      #
-      #   file_field(:post, :image, accept: 'image/png,image/gif,image/jpeg')
-      #   # => <input type="file" id="post_image" name="post[image]" accept="image/png,image/gif,image/jpeg" />
-      #
-      #   file_field(:attachment, :file, class: 'file_input')
-      #   # => <input type="file" id="attachment_file" name="attachment[file]" class="file_input" />
-      def file_field(method, options = {})
-        self.multipart = true
-        @template.file_field(@object_name, method, objectify_options(options))
-      end
-
-      # Add the submit button for the given form. When no value is given, it checks
-      # if the object is a new resource or not to create the proper label:
-      #
-      #   <%= form_for @post do |f| %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # In the example above, if @post is a new record, it will use "Create Post" as
-      # submit button label, otherwise, it uses "Update Post".
-      #
-      # Those labels can be customized using I18n, under the helpers.submit key and accept
-      # the %{model} as translation interpolation:
-      #
-      #   en:
-      #     helpers:
-      #       submit:
-      #         create: "Create a %{model}"
-      #         update: "Confirm changes to %{model}"
-      #
-      # It also searches for a key specific for the given object:
-      #
-      #   en:
-      #     helpers:
-      #       submit:
-      #         post:
-      #           create: "Add %{model}"
-      #
-      def submit(value=nil, options={})
-        value, options = nil, value if value.is_a?(Hash)
-        value ||= submit_default_value
-        @template.submit_tag(value, options)
-      end
-
-      # Add the submit button for the given form. When no value is given, it checks
-      # if the object is a new resource or not to create the proper label:
-      #
-      #   <%= form_for @post do |f| %>
-      #     <%= f.button %>
-      #   <% end %>
-      #
-      # In the example above, if @post is a new record, it will use "Create Post" as
-      # button label, otherwise, it uses "Update Post".
-      #
-      # Those labels can be customized using I18n, under the helpers.submit key
-      # (the same as submit helper) and accept the %{model} as translation interpolation:
-      #
-      #   en:
-      #     helpers:
-      #       submit:
-      #         create: "Create a %{model}"
-      #         update: "Confirm changes to %{model}"
-      #
-      # It also searches for a key specific for the given object:
-      #
-      #   en:
-      #     helpers:
-      #       submit:
-      #         post:
-      #           create: "Add %{model}"
-      #
-      # ==== Examples
-      #   button("Create a post")
-      #   # => <button name='button' type='submit'>Create post</button>
-      #
-      #   button do
-      #     content_tag(:strong, 'Ask me!')
-      #   end
-      #   # => <button name='button' type='submit'>
-      #   #      <strong>Ask me!</strong>
-      #   #    </button>
-      #
-      def button(value = nil, options = {}, &block)
-        value, options = nil, value if value.is_a?(Hash)
-        value ||= submit_default_value
-        @template.button_tag(value, options, &block)
-      end
-
-      def emitted_hidden_id?
-        @emitted_hidden_id ||= nil
-      end
-
-      private
-        def objectify_options(options)
-          @default_options.merge(options.merge(object: @object))
-        end
-
-        def submit_default_value
-          object = convert_to_model(@object)
-          key    = object ? (object.persisted? ? :update : :create) : :submit
-
-          model = if object.class.respond_to?(:model_name)
-            object.class.model_name.human
-          else
-            @object_name.to_s.humanize
-          end
-
-          defaults = []
-          defaults << :"helpers.submit.#{object_name}.#{key}"
-          defaults << :"helpers.submit.#{key}"
-          defaults << "#{key.to_s.humanize} #{model}"
-
-          I18n.t(defaults.shift, model: model, default: defaults)
-        end
-
-        def nested_attributes_association?(association_name)
-          @object.respond_to?("#{association_name}_attributes=")
-        end
-
-        def fields_for_with_nested_attributes(association_name, association, options, block)
-          name = "#{object_name}[#{association_name}_attributes]"
-          association = convert_to_model(association)
-
-          if association.respond_to?(:persisted?)
-            association = [association] if @object.send(association_name).respond_to?(:to_ary)
-          elsif !association.respond_to?(:to_ary)
-            association = @object.send(association_name)
-          end
-
-          if association.respond_to?(:to_ary)
-            explicit_child_index = options[:child_index]
-            output = ActiveSupport::SafeBuffer.new
-            association.each do |child|
-              options[:child_index] = nested_child_index(name) unless explicit_child_index
-              output << fields_for_nested_model("#{name}[#{options[:child_index]}]", child, options, block)
-            end
-            output
-          elsif association
-            fields_for_nested_model(name, association, options, block)
-          end
-        end
-
-        def fields_for_nested_model(name, object, fields_options, block)
-          object = convert_to_model(object)
-          emit_hidden_id = object.persisted? && fields_options.fetch(:include_id) {
-            options.fetch(:include_id, true)
-          }
-
-          @template.fields_for(name, object, fields_options) do |f|
-            output = @template.capture(f, &block)
-            output.concat f.hidden_field(:id) if output && emit_hidden_id && !f.emitted_hidden_id?
-            output
-          end
-        end
-
-        def nested_child_index(name)
-          @nested_child_index[name] ||= -1
-          @nested_child_index[name] += 1
-        end
-    end
-  end
-
-  ActiveSupport.on_load(:action_view) do
-    cattr_accessor(:default_form_builder) { ::ActionView::Helpers::FormBuilder }
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/form_options_helper.rb b/actionpack/lib/action_view/helpers/form_options_helper.rb
deleted file mode 100644
index ad26505086..0000000000
--- a/actionpack/lib/action_view/helpers/form_options_helper.rb
+++ /dev/null
@@ -1,832 +0,0 @@
-require 'cgi'
-require 'erb'
-require 'action_view/helpers/form_helper'
-require 'active_support/core_ext/string/output_safety'
-require 'active_support/core_ext/array/extract_options'
-require 'active_support/core_ext/array/wrap'
-
-module ActionView
-  # = Action View Form Option Helpers
-  module Helpers
-    # Provides a number of methods for turning different kinds of containers into a set of option tags.
-    #
-    # The <tt>collection_select</tt>, <tt>select</tt> and <tt>time_zone_select</tt> methods take an <tt>options</tt> parameter, a hash:
-    #
-    # * <tt>:include_blank</tt> - set to true or a prompt string if the first option element of the select element is a blank. Useful if there is not a default value required for the select element.
-    #
-    #   select("post", "category", Post::CATEGORIES, {include_blank: true})
-    #
-    # could become:
-    #
-    #   <select name="post[category]">
-    #     <option></option>
-    #     <option>joke</option>
-    #     <option>poem</option>
-    #   </select>
-    #
-    # Another common case is a select tag for a <tt>belongs_to</tt>-associated object.
-    #
-    # Example with @post.person_id => 2:
-    #
-    #   select("post", "person_id", Person.all.collect {|p| [ p.name, p.id ] }, {include_blank: 'None'})
-    #
-    # could become:
-    #
-    #   <select name="post[person_id]">
-    #     <option value="">None</option>
-    #     <option value="1">David</option>
-    #     <option value="2" selected="selected">Sam</option>
-    #     <option value="3">Tobias</option>
-    #   </select>
-    #
-    # * <tt>:prompt</tt> - set to true or a prompt string. When the select element doesn't have a value yet, this prepends an option with a generic prompt -- "Please select" -- or the given prompt string.
-    #
-    #   select("post", "person_id", Person.all.collect {|p| [ p.name, p.id ] }, {prompt: 'Select Person'})
-    #
-    # could become:
-    #
-    #   <select name="post[person_id]">
-    #     <option value="">Select Person</option>
-    #     <option value="1">David</option>
-    #     <option value="2">Sam</option>
-    #     <option value="3">Tobias</option>
-    #   </select>
-    #
-    # Like the other form helpers, +select+ can accept an <tt>:index</tt> option to manually set the ID used in the resulting output. Unlike other helpers, +select+ expects this
-    # option to be in the +html_options+ parameter.
-    #
-    #   select("album[]", "genre", %w[rap rock country], {}, { index: nil })
-    #
-    # becomes:
-    #
-    #   <select name="album[][genre]" id="album__genre">
-    #     <option value="rap">rap</option>
-    #     <option value="rock">rock</option>
-    #     <option value="country">country</option>
-    #   </select>
-    #
-    # * <tt>:disabled</tt> - can be a single value or an array of values that will be disabled options in the final output.
-    #
-    #   select("post", "category", Post::CATEGORIES, {disabled: 'restricted'})
-    #
-    # could become:
-    #
-    #   <select name="post[category]">
-    #     <option></option>
-    #     <option>joke</option>
-    #     <option>poem</option>
-    #     <option disabled="disabled">restricted</option>
-    #   </select>
-    #
-    # When used with the <tt>collection_select</tt> helper, <tt>:disabled</tt> can also be a Proc that identifies those options that should be disabled.
-    #
-    #   collection_select(:post, :category_id, Category.all, :id, :name, {disabled: lambda{|category| category.archived? }})
-    #
-    # If the categories "2008 stuff" and "Christmas" return true when the method <tt>archived?</tt> is called, this would return:
-    #   <select name="post[category_id]">
-    #     <option value="1" disabled="disabled">2008 stuff</option>
-    #     <option value="2" disabled="disabled">Christmas</option>
-    #     <option value="3">Jokes</option>
-    #     <option value="4">Poems</option>
-    #   </select>
-    #
-    module FormOptionsHelper
-      # ERB::Util can mask some helpers like textilize. Make sure to include them.
-      include TextHelper
-
-      # Create a select tag and a series of contained option tags for the provided object and method.
-      # The option currently held by the object will be selected, provided that the object is available.
-      #
-      # There are two possible formats for the choices parameter, corresponding to other helpers' output:
-      #   * A flat collection: see options_for_select
-      #   * A nested collection: see grouped_options_for_select
-      #
-      # Example with @post.person_id => 1:
-      #   select("post", "person_id", Person.all.collect {|p| [ p.name, p.id ] }, { include_blank: true })
-      #
-      # could become:
-      #
-      #   <select name="post[person_id]">
-      #     <option value=""></option>
-      #     <option value="1" selected="selected">David</option>
-      #     <option value="2">Sam</option>
-      #     <option value="3">Tobias</option>
-      #   </select>
-      #
-      # This can be used to provide a default set of options in the standard way: before rendering the create form, a
-      # new model instance is assigned the default options and bound to @model_name. Usually this model is not saved
-      # to the database. Instead, a second model object is created when the create request is received.
-      # This allows the user to submit a form page more than once with the expected results of creating multiple records.
-      # In addition, this allows a single partial to be used to generate form inputs for both edit and create forms.
-      #
-      # By default, <tt>post.person_id</tt> is the selected option. Specify <tt>selected: value</tt> to use a different selection
-      # or <tt>selected: nil</tt> to leave all options unselected. Similarly, you can specify values to be disabled in the option
-      # tags by specifying the <tt>:disabled</tt> option. This can either be a single value or an array of values to be disabled.
-      #
-      # ==== Gotcha
-      #
-      # The HTML specification says when +multiple+ parameter passed to select and all options got deselected
-      # web browsers do not send any value to server. Unfortunately this introduces a gotcha:
-      # if an +User+ model has many +roles+ and have +role_ids+ accessor, and in the form that edits roles of the user
-      # the user deselects all roles from +role_ids+ multiple select box, no +role_ids+ parameter is sent. So,
-      # any mass-assignment idiom like
-      #
-      #   @user.update(params[:user])
-      #
-      # wouldn't update roles.
-      #
-      # To prevent this the helper generates an auxiliary hidden field before
-      # every multiple select. The hidden field has the same name as multiple select and blank value.
-      #
-      # This way, the client either sends only the hidden field (representing
-      # the deselected multiple select box), or both fields. Since the HTML specification
-      # says key/value pairs have to be sent in the same order they appear in the
-      # form, and parameters extraction gets the last occurrence of any repeated
-      # key in the query string, that works for ordinary forms.
-      #
-      # In case if you don't want the helper to generate this hidden field you can specify
-      # <tt>include_hidden: false</tt> option.
-      #
-      def select(object, method, choices, options = {}, html_options = {})
-        Tags::Select.new(object, method, self, choices, options, html_options).render
-      end
-
-      # Returns <tt><select></tt> and <tt><option></tt> tags for the collection of existing return values of
-      # +method+ for +object+'s class. The value returned from calling +method+ on the instance +object+ will
-      # be selected. If calling +method+ returns +nil+, no selection is made without including <tt>:prompt</tt>
-      # or <tt>:include_blank</tt> in the +options+ hash.
-      #
-      # The <tt>:value_method</tt> and <tt>:text_method</tt> parameters are methods to be called on each member
-      # of +collection+. The return values are used as the +value+ attribute and contents of each
-      # <tt><option></tt> tag, respectively. They can also be any object that responds to +call+, such
-      # as a +proc+, that will be called for each member of the +collection+ to
-      # retrieve the value/text.
-      #
-      # Example object structure for use with this method:
-      #
-      #   class Post < ActiveRecord::Base
-      #     belongs_to :author
-      #   end
-      #
-      #   class Author < ActiveRecord::Base
-      #     has_many :posts
-      #     def name_with_initial
-      #       "#{first_name.first}. #{last_name}"
-      #     end
-      #   end
-      #
-      # Sample usage (selecting the associated Author for an instance of Post, <tt>@post</tt>):
-      #
-      #   collection_select(:post, :author_id, Author.all, :id, :name_with_initial, prompt: true)
-      #
-      # If <tt>@post.author_id</tt> is already <tt>1</tt>, this would return:
-      #   <select name="post[author_id]">
-      #     <option value="">Please select</option>
-      #     <option value="1" selected="selected">D. Heinemeier Hansson</option>
-      #     <option value="2">D. Thomas</option>
-      #     <option value="3">M. Clark</option>
-      #   </select>
-      def collection_select(object, method, collection, value_method, text_method, options = {}, html_options = {})
-        Tags::CollectionSelect.new(object, method, self, collection, value_method, text_method, options, html_options).render
-      end
-
-      # Returns <tt><select></tt>, <tt><optgroup></tt> and <tt><option></tt> tags for the collection of existing return values of
-      # +method+ for +object+'s class. The value returned from calling +method+ on the instance +object+ will
-      # be selected. If calling +method+ returns +nil+, no selection is made without including <tt>:prompt</tt>
-      # or <tt>:include_blank</tt> in the +options+ hash.
-      #
-      # Parameters:
-      # * +object+ - The instance of the class to be used for the select tag
-      # * +method+ - The attribute of +object+ corresponding to the select tag
-      # * +collection+ - An array of objects representing the <tt><optgroup></tt> tags.
-      # * +group_method+ - The name of a method which, when called on a member of +collection+, returns an
-      #   array of child objects representing the <tt><option></tt> tags.
-      # * +group_label_method+ - The name of a method which, when called on a member of +collection+, returns a
-      #   string to be used as the +label+ attribute for its <tt><optgroup></tt> tag.
-      # * +option_key_method+ - The name of a method which, when called on a child object of a member of
-      #   +collection+, returns a value to be used as the +value+ attribute for its <tt><option></tt> tag.
-      # * +option_value_method+ - The name of a method which, when called on a child object of a member of
-      #   +collection+, returns a value to be used as the contents of its <tt><option></tt> tag.
-      #
-      # Example object structure for use with this method:
-      #
-      #   class Continent < ActiveRecord::Base
-      #     has_many :countries
-      #     # attribs: id, name
-      #   end
-      #
-      #   class Country < ActiveRecord::Base
-      #     belongs_to :continent
-      #     # attribs: id, name, continent_id
-      #   end
-      #
-      #   class City < ActiveRecord::Base
-      #     belongs_to :country
-      #     # attribs: id, name, country_id
-      #   end
-      #
-      # Sample usage:
-      #
-      #   grouped_collection_select(:city, :country_id, @continents, :countries, :name, :id, :name)
-      #
-      # Possible output:
-      #
-      #   <select name="city[country_id]">
-      #     <optgroup label="Africa">
-      #       <option value="1">South Africa</option>
-      #       <option value="3">Somalia</option>
-      #     </optgroup>
-      #     <optgroup label="Europe">
-      #       <option value="7" selected="selected">Denmark</option>
-      #       <option value="2">Ireland</option>
-      #     </optgroup>
-      #   </select>
-      #
-      def grouped_collection_select(object, method, collection, group_method, group_label_method, option_key_method, option_value_method, options = {}, html_options = {})
-        Tags::GroupedCollectionSelect.new(object, method, self, collection, group_method, group_label_method, option_key_method, option_value_method, options, html_options).render
-      end
-
-      # Return select and option tags for the given object and method, using
-      # #time_zone_options_for_select to generate the list of option tags.
-      #
-      # In addition to the <tt>:include_blank</tt> option documented above,
-      # this method also supports a <tt>:model</tt> option, which defaults
-      # to ActiveSupport::TimeZone. This may be used by users to specify a
-      # different time zone model object. (See +time_zone_options_for_select+
-      # for more information.)
-      #
-      # You can also supply an array of ActiveSupport::TimeZone objects
-      # as +priority_zones+, so that they will be listed above the rest of the
-      # (long) list. (You can use ActiveSupport::TimeZone.us_zones as a convenience
-      # for obtaining a list of the US time zones, or a Regexp to select the zones
-      # of your choice)
-      #
-      # Finally, this method supports a <tt>:default</tt> option, which selects
-      # a default ActiveSupport::TimeZone if the object's time zone is +nil+.
-      #
-      #   time_zone_select( "user", "time_zone", nil, include_blank: true)
-      #
-      #   time_zone_select( "user", "time_zone", nil, default: "Pacific Time (US & Canada)" )
-      #
-      #   time_zone_select( "user", 'time_zone', ActiveSupport::TimeZone.us_zones, default: "Pacific Time (US & Canada)")
-      #
-      #   time_zone_select( "user", 'time_zone', [ ActiveSupport::TimeZone['Alaska'], ActiveSupport::TimeZone['Hawaii'] ])
-      #
-      #   time_zone_select( "user", 'time_zone', /Australia/)
-      #
-      #   time_zone_select( "user", "time_zone", ActiveSupport::TimeZone.all.sort, model: ActiveSupport::TimeZone)
-      def time_zone_select(object, method, priority_zones = nil, options = {}, html_options = {})
-        Tags::TimeZoneSelect.new(object, method, self, priority_zones, options, html_options).render
-      end
-
-      # Accepts a container (hash, array, enumerable, your type) and returns a string of option tags. Given a container
-      # where the elements respond to first and last (such as a two-element array), the "lasts" serve as option values and
-      # the "firsts" as option text. Hashes are turned into this form automatically, so the keys become "firsts" and values
-      # become lasts. If +selected+ is specified, the matching "last" or element will get the selected option-tag. +selected+
-      # may also be an array of values to be selected when using a multiple select.
-      #
-      #   options_for_select([["Dollar", "$"], ["Kroner", "DKK"]])
-      #   # => <option value="$">Dollar</option>
-      #   # => <option value="DKK">Kroner</option>
-      #
-      #   options_for_select([ "VISA", "MasterCard" ], "MasterCard")
-      #   # => <option>VISA</option>
-      #   # => <option selected="selected">MasterCard</option>
-      #
-      #   options_for_select({ "Basic" => "$20", "Plus" => "$40" }, "$40")
-      #   # => <option value="$20">Basic</option>
-      #   # => <option value="$40" selected="selected">Plus</option>
-      #
-      #   options_for_select([ "VISA", "MasterCard", "Discover" ], ["VISA", "Discover"])
-      #   # => <option selected="selected">VISA</option>
-      #   # => <option>MasterCard</option>
-      #   # => <option selected="selected">Discover</option>
-      #
-      # You can optionally provide html attributes as the last element of the array.
-      #
-      #   options_for_select([ "Denmark", ["USA", {class: 'bold'}], "Sweden" ], ["USA", "Sweden"])
-      #   # => <option value="Denmark">Denmark</option>
-      #   # => <option value="USA" class="bold" selected="selected">USA</option>
-      #   # => <option value="Sweden" selected="selected">Sweden</option>
-      #
-      #   options_for_select([["Dollar", "$", {class: "bold"}], ["Kroner", "DKK", {onclick: "alert('HI');"}]])
-      #   # => <option value="$" class="bold">Dollar</option>
-      #   # => <option value="DKK" onclick="alert('HI');">Kroner</option>
-      #
-      # If you wish to specify disabled option tags, set +selected+ to be a hash, with <tt>:disabled</tt> being either a value
-      # or array of values to be disabled. In this case, you can use <tt>:selected</tt> to specify selected option tags.
-      #
-      #   options_for_select(["Free", "Basic", "Advanced", "Super Platinum"], disabled: "Super Platinum")
-      #   # => <option value="Free">Free</option>
-      #   # => <option value="Basic">Basic</option>
-      #   # => <option value="Advanced">Advanced</option>
-      #   # => <option value="Super Platinum" disabled="disabled">Super Platinum</option>
-      #
-      #   options_for_select(["Free", "Basic", "Advanced", "Super Platinum"], disabled: ["Advanced", "Super Platinum"])
-      #   # => <option value="Free">Free</option>
-      #   # => <option value="Basic">Basic</option>
-      #   # => <option value="Advanced" disabled="disabled">Advanced</option>
-      #   # => <option value="Super Platinum" disabled="disabled">Super Platinum</option>
-      #
-      #   options_for_select(["Free", "Basic", "Advanced", "Super Platinum"], selected: "Free", disabled: "Super Platinum")
-      #   # => <option value="Free" selected="selected">Free</option>
-      #   # => <option value="Basic">Basic</option>
-      #   # => <option value="Advanced">Advanced</option>
-      #   # => <option value="Super Platinum" disabled="disabled">Super Platinum</option>
-      #
-      # NOTE: Only the option tags are returned, you have to wrap this call in a regular HTML select tag.
-      def options_for_select(container, selected = nil)
-        return container if String === container
-
-        selected, disabled = extract_selected_and_disabled(selected).map do |r|
-          Array(r).map { |item| item.to_s }
-        end
-
-        container.map do |element|
-          html_attributes = option_html_attributes(element)
-          text, value = option_text_and_value(element).map { |item| item.to_s }
-
-          html_attributes[:selected] = 'selected' if option_value_selected?(value, selected)
-          html_attributes[:disabled] = 'disabled' if disabled && option_value_selected?(value, disabled)
-          html_attributes[:value] = value
-
-          content_tag_string(:option, text, html_attributes)
-        end.join("\n").html_safe
-      end
-
-      # Returns a string of option tags that have been compiled by iterating over the +collection+ and assigning
-      # the result of a call to the +value_method+ as the option value and the +text_method+ as the option text.
-      #
-      #   options_from_collection_for_select(@people, 'id', 'name')
-      #   # => <option value="#{person.id}">#{person.name}</option>
-      #
-      # This is more often than not used inside a #select_tag like this example:
-      #
-      #   select_tag 'person', options_from_collection_for_select(@people, 'id', 'name')
-      #
-      # If +selected+ is specified as a value or array of values, the element(s) returning a match on +value_method+
-      # will be selected option tag(s).
-      #
-      # If +selected+ is specified as a Proc, those members of the collection that return true for the anonymous
-      # function are the selected values.
-      #
-      # +selected+ can also be a hash, specifying both <tt>:selected</tt> and/or <tt>:disabled</tt> values as required.
-      #
-      # Be sure to specify the same class as the +value_method+ when specifying selected or disabled options.
-      # Failure to do this will produce undesired results. Example:
-      #   options_from_collection_for_select(@people, 'id', 'name', '1')
-      # Will not select a person with the id of 1 because 1 (an Integer) is not the same as '1' (a string)
-      #   options_from_collection_for_select(@people, 'id', 'name', 1)
-      # should produce the desired results.
-      def options_from_collection_for_select(collection, value_method, text_method, selected = nil)
-        options = collection.map do |element|
-          [value_for_collection(element, text_method), value_for_collection(element, value_method), option_html_attributes(element)]
-        end
-        selected, disabled = extract_selected_and_disabled(selected)
-        select_deselect = {
-          :selected => extract_values_from_collection(collection, value_method, selected),
-          :disabled => extract_values_from_collection(collection, value_method, disabled)
-        }
-
-        options_for_select(options, select_deselect)
-      end
-
-      # Returns a string of <tt><option></tt> tags, like <tt>options_from_collection_for_select</tt>, but
-      # groups them by <tt><optgroup></tt> tags based on the object relationships of the arguments.
-      #
-      # Parameters:
-      # * +collection+ - An array of objects representing the <tt><optgroup></tt> tags.
-      # * +group_method+ - The name of a method which, when called on a member of +collection+, returns an
-      #   array of child objects representing the <tt><option></tt> tags.
-      # * group_label_method+ - The name of a method which, when called on a member of +collection+, returns a
-      #   string to be used as the +label+ attribute for its <tt><optgroup></tt> tag.
-      # * +option_key_method+ - The name of a method which, when called on a child object of a member of
-      #   +collection+, returns a value to be used as the +value+ attribute for its <tt><option></tt> tag.
-      # * +option_value_method+ - The name of a method which, when called on a child object of a member of
-      #   +collection+, returns a value to be used as the contents of its <tt><option></tt> tag.
-      # * +selected_key+ - A value equal to the +value+ attribute for one of the <tt><option></tt> tags,
-      #   which will have the +selected+ attribute set. Corresponds to the return value of one of the calls
-      #   to +option_key_method+. If +nil+, no selection is made. Can also be a hash if disabled values are
-      #   to be specified.
-      #
-      # Example object structure for use with this method:
-      #
-      #   class Continent < ActiveRecord::Base
-      #     has_many :countries
-      #     # attribs: id, name
-      #   end
-      #
-      #   class Country < ActiveRecord::Base
-      #     belongs_to :continent
-      #     # attribs: id, name, continent_id
-      #   end
-      #
-      # Sample usage:
-      #   option_groups_from_collection_for_select(@continents, :countries, :name, :id, :name, 3)
-      #
-      # Possible output:
-      #   <optgroup label="Africa">
-      #     <option value="1">Egypt</option>
-      #     <option value="4">Rwanda</option>
-      #     ...
-      #   </optgroup>
-      #   <optgroup label="Asia">
-      #     <option value="3" selected="selected">China</option>
-      #     <option value="12">India</option>
-      #     <option value="5">Japan</option>
-      #     ...
-      #   </optgroup>
-      #
-      # <b>Note:</b> Only the <tt><optgroup></tt> and <tt><option></tt> tags are returned, so you still have to
-      # wrap the output in an appropriate <tt><select></tt> tag.
-      def option_groups_from_collection_for_select(collection, group_method, group_label_method, option_key_method, option_value_method, selected_key = nil)
-        collection.map do |group|
-          option_tags = options_from_collection_for_select(
-            group.send(group_method), option_key_method, option_value_method, selected_key)
-
-          content_tag(:optgroup, option_tags, :label => group.send(group_label_method))
-        end.join.html_safe
-      end
-
-      # Returns a string of <tt><option></tt> tags, like <tt>options_for_select</tt>, but
-      # wraps them with <tt><optgroup></tt> tags.
-      #
-      # Parameters:
-      # * +grouped_options+ - Accepts a nested array or hash of strings. The first value serves as the
-      #   <tt><optgroup></tt> label while the second value must be an array of options. The second value can be a
-      #   nested array of text-value pairs. See <tt>options_for_select</tt> for more info.
-      #    Ex. ["North America",[["United States","US"],["Canada","CA"]]]
-      # * +selected_key+ - A value equal to the +value+ attribute for one of the <tt><option></tt> tags,
-      #   which will have the +selected+ attribute set. Note: It is possible for this value to match multiple options
-      #   as you might have the same option in multiple groups. Each will then get <tt>selected="selected"</tt>.
-      #
-      # Options:
-      # * <tt>:prompt</tt> - set to true or a prompt string. When the select element doesn't have a value yet, this
-      #   prepends an option with a generic prompt - "Please select" - or the given prompt string.
-      # * <tt>:divider</tt> - the divider for the options groups.
-      #
-      #   grouped_options = [
-      #    ['North America',
-      #      [['United States','US'],'Canada']],
-      #    ['Europe',
-      #      ['Denmark','Germany','France']]
-      #   ]
-      #   grouped_options_for_select(grouped_options)
-      #
-      #   grouped_options = {
-      #     'North America' => [['United States','US'], 'Canada'],
-      #     'Europe' => ['Denmark','Germany','France']
-      #   }
-      #   grouped_options_for_select(grouped_options)
-      #
-      # Possible output:
-      #   <optgroup label="North America">
-      #     <option value="US">United States</option>
-      #     <option value="Canada">Canada</option>
-      #   </optgroup>
-      #   <optgroup label="Europe">
-      #     <option value="Denmark">Denmark</option>
-      #     <option value="Germany">Germany</option>
-      #     <option value="France">France</option>
-      #   </optgroup>
-      #
-      #   grouped_options = [
-      #     [['United States','US'], 'Canada'],
-      #     ['Denmark','Germany','France']
-      #   ]
-      #   grouped_options_for_select(grouped_options, nil, divider: '---------')
-      #
-      # Possible output:
-      #   <optgroup label="---------">
-      #     <option value="US">United States</option>
-      #     <option value="Canada">Canada</option>
-      #   </optgroup>
-      #   <optgroup label="---------">
-      #     <option value="Denmark">Denmark</option>
-      #     <option value="Germany">Germany</option>
-      #     <option value="France">France</option>
-      #   </optgroup>
-      #
-      # <b>Note:</b> Only the <tt><optgroup></tt> and <tt><option></tt> tags are returned, so you still have to
-      # wrap the output in an appropriate <tt><select></tt> tag.
-      def grouped_options_for_select(grouped_options, selected_key = nil, options = {})
-        if options.is_a?(Hash)
-          prompt  = options[:prompt]
-          divider = options[:divider]
-        else
-          prompt  = options
-          message = "Passing the prompt to grouped_options_for_select as an argument is deprecated. " \
-                    "Please use an options hash like `{ prompt: #{prompt.inspect} }`."
-          ActiveSupport::Deprecation.warn message
-        end
-
-        body = "".html_safe
-
-        if prompt
-          body.safe_concat content_tag(:option, prompt_text(prompt), :value => "")
-        end
-
-        grouped_options.each do |container|
-          if divider
-            label = divider
-          else
-            label, container = container
-          end
-          body.safe_concat content_tag(:optgroup, options_for_select(container, selected_key), :label => label)
-        end
-
-        body
-      end
-
-      # Returns a string of option tags for pretty much any time zone in the
-      # world. Supply a ActiveSupport::TimeZone name as +selected+ to have it
-      # marked as the selected option tag. You can also supply an array of
-      # ActiveSupport::TimeZone objects as +priority_zones+, so that they will
-      # be listed above the rest of the (long) list. (You can use
-      # ActiveSupport::TimeZone.us_zones as a convenience for obtaining a list
-      # of the US time zones, or a Regexp to select the zones of your choice)
-      #
-      # The +selected+ parameter must be either +nil+, or a string that names
-      # a ActiveSupport::TimeZone.
-      #
-      # By default, +model+ is the ActiveSupport::TimeZone constant (which can
-      # be obtained in Active Record as a value object). The only requirement
-      # is that the +model+ parameter be an object that responds to +all+, and
-      # returns an array of objects that represent time zones.
-      #
-      # NOTE: Only the option tags are returned, you have to wrap this call in
-      # a regular HTML select tag.
-      def time_zone_options_for_select(selected = nil, priority_zones = nil, model = ::ActiveSupport::TimeZone)
-        zone_options = "".html_safe
-
-        zones = model.all
-        convert_zones = lambda { |list| list.map { |z| [ z.to_s, z.name ] } }
-
-        if priority_zones
-          if priority_zones.is_a?(Regexp)
-            priority_zones = zones.select { |z| z =~ priority_zones }
-          end
-
-          zone_options.safe_concat options_for_select(convert_zones[priority_zones], selected)
-          zone_options.safe_concat content_tag(:option, '-------------', :value => '', :disabled => 'disabled')
-          zone_options.safe_concat "\n"
-
-          zones = zones - priority_zones
-        end
-
-        zone_options.safe_concat options_for_select(convert_zones[zones], selected)
-      end
-
-      # Returns radio button tags for the collection of existing return values
-      # of +method+ for +object+'s class. The value returned from calling
-      # +method+ on the instance +object+ will be selected. If calling +method+
-      # returns +nil+, no selection is made.
-      #
-      # The <tt>:value_method</tt> and <tt>:text_method</tt> parameters are
-      # methods to be called on each member of +collection+. The return values
-      # are used as the +value+ attribute and contents of each radio button tag,
-      # respectively. They can also be any object that responds to +call+, such
-      # as a +proc+, that will be called for each member of the +collection+ to
-      # retrieve the value/text.
-      #
-      # Example object structure for use with this method:
-      #   class Post < ActiveRecord::Base
-      #     belongs_to :author
-      #   end
-      #   class Author < ActiveRecord::Base
-      #     has_many :posts
-      #     def name_with_initial
-      #       "#{first_name.first}. #{last_name}"
-      #     end
-      #   end
-      #
-      # Sample usage (selecting the associated Author for an instance of Post, <tt>@post</tt>):
-      #   collection_radio_buttons(:post, :author_id, Author.all, :id, :name_with_initial)
-      #
-      # If <tt>@post.author_id</tt> is already <tt>1</tt>, this would return:
-      #   <input id="post_author_id_1" name="post[author_id]" type="radio" value="1" checked="checked" />
-      #   <label for="post_author_id_1">D. Heinemeier Hansson</label>
-      #   <input id="post_author_id_2" name="post[author_id]" type="radio" value="2" />
-      #   <label for="post_author_id_2">D. Thomas</label>
-      #   <input id="post_author_id_3" name="post[author_id]" type="radio" value="3" />
-      #   <label for="post_author_id_3">M. Clark</label>
-      #
-      # It is also possible to customize the way the elements will be shown by
-      # giving a block to the method:
-      #   collection_radio_buttons(:post, :author_id, Author.all, :id, :name_with_initial) do |b|
-      #     b.label { b.radio_button }
-      #   end
-      #
-      # The argument passed to the block is a special kind of builder for this
-      # collection, which has the ability to generate the label and radio button
-      # for the current item in the collection, with proper text and value.
-      # Using it, you can change the label and radio button display order or
-      # even use the label as wrapper, as in the example above.
-      #
-      # The builder methods <tt>label</tt> and <tt>radio_button</tt> also accept
-      # extra html options:
-      #   collection_radio_buttons(:post, :author_id, Author.all, :id, :name_with_initial) do |b|
-      #     b.label(class: "radio_button") { b.radio_button(class: "radio_button") }
-      #   end
-      #
-      # There are also three special methods available: <tt>object</tt>, <tt>text</tt> and
-      # <tt>value</tt>, which are the current item being rendered, its text and value methods,
-      # respectively. You can use them like this:
-      #   collection_radio_buttons(:post, :author_id, Author.all, :id, :name_with_initial) do |b|
-      #      b.label(:"data-value" => b.value) { b.radio_button + b.text }
-      #   end
-      def collection_radio_buttons(object, method, collection, value_method, text_method, options = {}, html_options = {}, &block)
-        Tags::CollectionRadioButtons.new(object, method, self, collection, value_method, text_method, options, html_options).render(&block)
-      end
-
-      # Returns check box tags for the collection of existing return values of
-      # +method+ for +object+'s class. The value returned from calling +method+
-      # on the instance +object+ will be selected. If calling +method+ returns
-      # +nil+, no selection is made.
-      #
-      # The <tt>:value_method</tt> and <tt>:text_method</tt> parameters are
-      # methods to be called on each member of +collection+. The return values
-      # are used as the +value+ attribute and contents of each check box tag,
-      # respectively. They can also be any object that responds to +call+, such
-      # as a +proc+, that will be called for each member of the +collection+ to
-      # retrieve the value/text.
-      #
-      # Example object structure for use with this method:
-      #   class Post < ActiveRecord::Base
-      #     has_and_belongs_to_many :author
-      #   end
-      #   class Author < ActiveRecord::Base
-      #     has_and_belongs_to_many :posts
-      #     def name_with_initial
-      #       "#{first_name.first}. #{last_name}"
-      #     end
-      #   end
-      #
-      # Sample usage (selecting the associated Author for an instance of Post, <tt>@post</tt>):
-      #   collection_check_boxes(:post, :author_ids, Author.all, :id, :name_with_initial)
-      #
-      # If <tt>@post.author_ids</tt> is already <tt>[1]</tt>, this would return:
-      #   <input id="post_author_ids_1" name="post[author_ids][]" type="checkbox" value="1" checked="checked" />
-      #   <label for="post_author_ids_1">D. Heinemeier Hansson</label>
-      #   <input id="post_author_ids_2" name="post[author_ids][]" type="checkbox" value="2" />
-      #   <label for="post_author_ids_2">D. Thomas</label>
-      #   <input id="post_author_ids_3" name="post[author_ids][]" type="checkbox" value="3" />
-      #   <label for="post_author_ids_3">M. Clark</label>
-      #   <input name="post[author_ids][]" type="hidden" value="" />
-      #
-      # It is also possible to customize the way the elements will be shown by
-      # giving a block to the method:
-      #   collection_check_boxes(:post, :author_ids, Author.all, :id, :name_with_initial) do |b|
-      #     b.label { b.check_box }
-      #   end
-      #
-      # The argument passed to the block is a special kind of builder for this
-      # collection, which has the ability to generate the label and check box
-      # for the current item in the collection, with proper text and value.
-      # Using it, you can change the label and check box display order or even
-      # use the label as wrapper, as in the example above.
-      #
-      # The builder methods <tt>label</tt> and <tt>check_box</tt> also accept
-      # extra html options:
-      #   collection_check_boxes(:post, :author_ids, Author.all, :id, :name_with_initial) do |b|
-      #     b.label(class: "check_box") { b.check_box(class: "check_box") }
-      #   end
-      #
-      # There are also three special methods available: <tt>object</tt>, <tt>text</tt> and
-      # <tt>value</tt>, which are the current item being rendered, its text and value methods,
-      # respectively. You can use them like this:
-      #   collection_check_boxes(:post, :author_ids, Author.all, :id, :name_with_initial) do |b|
-      #      b.label(:"data-value" => b.value) { b.check_box + b.text }
-      #   end
-      def collection_check_boxes(object, method, collection, value_method, text_method, options = {}, html_options = {}, &block)
-        Tags::CollectionCheckBoxes.new(object, method, self, collection, value_method, text_method, options, html_options).render(&block)
-      end
-
-      private
-        def option_html_attributes(element)
-          if Array === element
-            element.select { |e| Hash === e }.reduce({}, :merge!)
-          else
-            {}
-          end
-        end
-
-        def option_text_and_value(option)
-          # Options are [text, value] pairs or strings used for both.
-          if !option.is_a?(String) && option.respond_to?(:first) && option.respond_to?(:last)
-            option = option.reject { |e| Hash === e } if Array === option
-            [option.first, option.last]
-          else
-            [option, option]
-          end
-        end
-
-        def option_value_selected?(value, selected)
-          Array(selected).include? value
-        end
-
-        def extract_selected_and_disabled(selected)
-          if selected.is_a?(Proc)
-            [selected, nil]
-          else
-            selected = Array.wrap(selected)
-            options = selected.extract_options!.symbolize_keys
-            selected_items = options.fetch(:selected, selected)
-            [selected_items, options[:disabled]]
-          end
-        end
-
-        def extract_values_from_collection(collection, value_method, selected)
-          if selected.is_a?(Proc)
-            collection.map do |element|
-              element.send(value_method) if selected.call(element)
-            end.compact
-          else
-            selected
-          end
-        end
-
-        def value_for_collection(item, value)
-          value.respond_to?(:call) ? value.call(item) : item.send(value)
-        end
-
-        def prompt_text(prompt)
-          prompt.kind_of?(String) ? prompt : I18n.translate('helpers.select.prompt', :default => 'Please select')
-        end
-    end
-
-    class FormBuilder
-      # Wraps ActionView::Helpers::FormOptionsHelper#select for form builders:
-      #
-      #   <%= form_for @post do |f| %>
-      #     <%= f.select :person_id, Person.all.collect {|p| [ p.name, p.id ] }, { include_blank: true }) %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # Please refer to the documentation of the base helper for details.
-      def select(method, choices, options = {}, html_options = {})
-        @template.select(@object_name, method, choices, objectify_options(options), @default_options.merge(html_options))
-      end
-
-      # Wraps ActionView::Helpers::FormOptionsHelper#collection_select for form builders:
-      #
-      #   <%= form_for @post do |f| %>
-      #     <%= f.collection_select :person_id, Author.all, :id, :name_with_initial, prompt: true %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # Please refer to the documentation of the base helper for details.
-      def collection_select(method, collection, value_method, text_method, options = {}, html_options = {})
-        @template.collection_select(@object_name, method, collection, value_method, text_method, objectify_options(options), @default_options.merge(html_options))
-      end
-
-      # Wraps ActionView::Helpers::FormOptionsHelper#grouped_collection_select for form builders:
-      #
-      #   <%= form_for @city do |f| %>
-      #     <%= f.grouped_collection_select :country_id, :country_id, @continents, :countries, :name, :id, :name %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # Please refer to the documentation of the base helper for details.
-      def grouped_collection_select(method, collection, group_method, group_label_method, option_key_method, option_value_method, options = {}, html_options = {})
-        @template.grouped_collection_select(@object_name, method, collection, group_method, group_label_method, option_key_method, option_value_method, objectify_options(options), @default_options.merge(html_options))
-      end
-
-      # Wraps ActionView::Helpers::FormOptionsHelper#time_zone_select for form builders:
-      #
-      #   <%= form_for @user do |f| %>
-      #     <%= f.time_zone_select :time_zone, nil, include_blank: true %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # Please refer to the documentation of the base helper for details.
-      def time_zone_select(method, priority_zones = nil, options = {}, html_options = {})
-        @template.time_zone_select(@object_name, method, priority_zones, objectify_options(options), @default_options.merge(html_options))
-      end
-
-      # Wraps ActionView::Helpers::FormOptionsHelper#collection_check_boxes for form builders:
-      #
-      #   <%= form_for @post do |f| %>
-      #     <%= f.collection_check_boxes :author_ids, Author.all, :id, :name_with_initial %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # Please refer to the documentation of the base helper for details.
-      def collection_check_boxes(method, collection, value_method, text_method, options = {}, html_options = {}, &block)
-        @template.collection_check_boxes(@object_name, method, collection, value_method, text_method, objectify_options(options), @default_options.merge(html_options), &block)
-      end
-
-      # Wraps ActionView::Helpers::FormOptionsHelper#collection_radio_buttons for form builders:
-      #
-      #   <%= form_for @post do |f| %>
-      #     <%= f.collection_radio_buttons :author_id, Author.all, :id, :name_with_initial %>
-      #     <%= f.submit %>
-      #   <% end %>
-      #
-      # Please refer to the documentation of the base helper for details.
-      def collection_radio_buttons(method, collection, value_method, text_method, options = {}, html_options = {}, &block)
-        @template.collection_radio_buttons(@object_name, method, collection, value_method, text_method, objectify_options(options), @default_options.merge(html_options), &block)
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/form_tag_helper.rb b/actionpack/lib/action_view/helpers/form_tag_helper.rb
deleted file mode 100644
index 3fa7696b83..0000000000
--- a/actionpack/lib/action_view/helpers/form_tag_helper.rb
+++ /dev/null
@@ -1,744 +0,0 @@
-require 'cgi'
-require 'action_view/helpers/tag_helper'
-require 'active_support/core_ext/string/output_safety'
-require 'active_support/core_ext/module/attribute_accessors'
-
-module ActionView
-  # = Action View Form Tag Helpers
-  module Helpers
-    # Provides a number of methods for creating form tags that don't rely on an Active Record object assigned to the template like
-    # FormHelper does. Instead, you provide the names and values manually.
-    #
-    # NOTE: The HTML options <tt>disabled</tt>, <tt>readonly</tt>, and <tt>multiple</tt> can all be treated as booleans. So specifying
-    # <tt>disabled: true</tt> will give <tt>disabled="disabled"</tt>.
-    module FormTagHelper
-      extend ActiveSupport::Concern
-
-      include UrlHelper
-      include TextHelper
-
-      mattr_accessor :embed_authenticity_token_in_remote_forms
-      self.embed_authenticity_token_in_remote_forms = false
-
-      # Starts a form tag that points the action to an url configured with <tt>url_for_options</tt> just like
-      # ActionController::Base#url_for. The method for the form defaults to POST.
-      #
-      # ==== Options
-      # * <tt>:multipart</tt> - If set to true, the enctype is set to "multipart/form-data".
-      # * <tt>:method</tt> - The method to use when submitting the form, usually either "get" or "post".
-      #   If "patch", "put", "delete", or another verb is used, a hidden input with name <tt>_method</tt>
-      #   is added to simulate the verb over post.
-      # * <tt>:authenticity_token</tt> - Authenticity token to use in the form. Use only if you need to
-      #   pass custom authenticity token string, or to not add authenticity_token field at all
-      #   (by passing <tt>false</tt>).  Remote forms may omit the embedded authenticity token
-      #   by setting <tt>config.action_view.embed_authenticity_token_in_remote_forms = false</tt>.
-      #   This is helpful when you're fragment-caching the form. Remote forms get the
-      #   authenticity token from the <tt>meta</tt> tag, so embedding is unnecessary unless you
-      #   support browsers without JavaScript.
-      # * A list of parameters to feed to the URL the form will be posted to.
-      # * <tt>:remote</tt> - If set to true, will allow the Unobtrusive JavaScript drivers to control the
-      #   submit behavior. By default this behavior is an ajax submit.
-      #
-      # ==== Examples
-      #   form_tag('/posts')
-      #   # => <form action="/posts" method="post">
-      #
-      #   form_tag('/posts/1', method: :put)
-      #   # => <form action="/posts/1" method="post"> ... <input name="_method" type="hidden" value="put" /> ...
-      #
-      #   form_tag('/upload', multipart: true)
-      #   # => <form action="/upload" method="post" enctype="multipart/form-data">
-      #
-      #   <%= form_tag('/posts') do -%>
-      #     <div><%= submit_tag 'Save' %></div>
-      #   <% end -%>
-      #   # => <form action="/posts" method="post"><div><input type="submit" name="commit" value="Save" /></div></form>
-      #
-      #   <%= form_tag('/posts', remote: true) %>
-      #   # => <form action="/posts" method="post" data-remote="true">
-      #
-      #   form_tag('http://far.away.com/form', authenticity_token: false)
-      #   # form without authenticity token
-      #
-      #   form_tag('http://far.away.com/form', authenticity_token: "cf50faa3fe97702ca1ae")
-      #   # form with custom authenticity token
-      #
-      def form_tag(url_for_options = {}, options = {}, &block)
-        html_options = html_options_for_form(url_for_options, options)
-        if block_given?
-          form_tag_in_block(html_options, &block)
-        else
-          form_tag_html(html_options)
-        end
-      end
-
-      # Creates a dropdown selection box, or if the <tt>:multiple</tt> option is set to true, a multiple
-      # choice selection box.
-      #
-      # Helpers::FormOptions can be used to create common select boxes such as countries, time zones, or
-      # associated records. <tt>option_tags</tt> is a string containing the option tags for the select box.
-      #
-      # ==== Options
-      # * <tt>:multiple</tt> - If set to true the selection will allow multiple choices.
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * <tt>:include_blank</tt> - If set to true, an empty option will be created.
-      # * <tt>:prompt</tt> - Create a prompt option with blank value and the text asking user to select something
-      # * Any other key creates standard HTML attributes for the tag.
-      #
-      # ==== Examples
-      #   select_tag "people", options_from_collection_for_select(@people, "id", "name")
-      #   # <select id="people" name="people"><option value="1">David</option></select>
-      #
-      #   select_tag "people", "<option>David</option>".html_safe
-      #   # => <select id="people" name="people"><option>David</option></select>
-      #
-      #   select_tag "count", "<option>1</option><option>2</option><option>3</option><option>4</option>".html_safe
-      #   # => <select id="count" name="count"><option>1</option><option>2</option>
-      #   #    <option>3</option><option>4</option></select>
-      #
-      #   select_tag "colors", "<option>Red</option><option>Green</option><option>Blue</option>".html_safe, multiple: true
-      #   # => <select id="colors" multiple="multiple" name="colors[]"><option>Red</option>
-      #   #    <option>Green</option><option>Blue</option></select>
-      #
-      #   select_tag "locations", "<option>Home</option><option selected='selected'>Work</option><option>Out</option>".html_safe
-      #   # => <select id="locations" name="locations"><option>Home</option><option selected='selected'>Work</option>
-      #   #    <option>Out</option></select>
-      #
-      #   select_tag "access", "<option>Read</option><option>Write</option>".html_safe, multiple: true, class: 'form_input'
-      #   # => <select class="form_input" id="access" multiple="multiple" name="access[]"><option>Read</option>
-      #   #    <option>Write</option></select>
-      #
-      #   select_tag "people", options_from_collection_for_select(@people, "id", "name"), include_blank: true
-      #   # => <select id="people" name="people"><option value=""></option><option value="1">David</option></select>
-      #
-      #   select_tag "people", options_from_collection_for_select(@people, "id", "name"), prompt: "Select something"
-      #   # => <select id="people" name="people"><option value="">Select something</option><option value="1">David</option></select>
-      #
-      #   select_tag "destination", "<option>NYC</option><option>Paris</option><option>Rome</option>".html_safe, disabled: true
-      #   # => <select disabled="disabled" id="destination" name="destination"><option>NYC</option>
-      #   #    <option>Paris</option><option>Rome</option></select>
-      #
-      #   select_tag "credit_card", options_for_select([ "VISA", "MasterCard" ], "MasterCard")
-      #   # => <select id="credit_card" name="credit_card"><option>VISA</option>
-      #   #    <option selected="selected">MasterCard</option></select>
-      def select_tag(name, option_tags = nil, options = {})
-        option_tags ||= ""
-        html_name = (options[:multiple] == true && !name.to_s.ends_with?("[]")) ? "#{name}[]" : name
-
-        if options.delete(:include_blank)
-          option_tags = content_tag(:option, '', :value => '').safe_concat(option_tags)
-        end
-
-        if prompt = options.delete(:prompt)
-          option_tags = content_tag(:option, prompt, :value => '').safe_concat(option_tags)
-        end
-
-        content_tag :select, option_tags, { "name" => html_name, "id" => sanitize_to_id(name) }.update(options.stringify_keys)
-      end
-
-      # Creates a standard text field; use these text fields to input smaller chunks of text like a username
-      # or a search query.
-      #
-      # ==== Options
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * <tt>:size</tt> - The number of visible characters that will fit in the input.
-      # * <tt>:maxlength</tt> - The maximum number of characters that the browser will allow the user to enter.
-      # * <tt>:placeholder</tt> - The text contained in the field by default which is removed when the field receives focus.
-      # * Any other key creates standard HTML attributes for the tag.
-      #
-      # ==== Examples
-      #   text_field_tag 'name'
-      #   # => <input id="name" name="name" type="text" />
-      #
-      #   text_field_tag 'query', 'Enter your search query here'
-      #   # => <input id="query" name="query" type="text" value="Enter your search query here" />
-      #
-      #   text_field_tag 'search', nil, placeholder: 'Enter search term...'
-      #   # => <input id="search" name="search" placeholder="Enter search term..." type="text" />
-      #
-      #   text_field_tag 'request', nil, class: 'special_input'
-      #   # => <input class="special_input" id="request" name="request" type="text" />
-      #
-      #   text_field_tag 'address', '', size: 75
-      #   # => <input id="address" name="address" size="75" type="text" value="" />
-      #
-      #   text_field_tag 'zip', nil, maxlength: 5
-      #   # => <input id="zip" maxlength="5" name="zip" type="text" />
-      #
-      #   text_field_tag 'payment_amount', '$0.00', disabled: true
-      #   # => <input disabled="disabled" id="payment_amount" name="payment_amount" type="text" value="$0.00" />
-      #
-      #   text_field_tag 'ip', '0.0.0.0', maxlength: 15, size: 20, class: "ip-input"
-      #   # => <input class="ip-input" id="ip" maxlength="15" name="ip" size="20" type="text" value="0.0.0.0" />
-      def text_field_tag(name, value = nil, options = {})
-        tag :input, { "type" => "text", "name" => name, "id" => sanitize_to_id(name), "value" => value }.update(options.stringify_keys)
-      end
-
-      # Creates a label element. Accepts a block.
-      #
-      # ==== Options
-      # * Creates standard HTML attributes for the tag.
-      #
-      # ==== Examples
-      #   label_tag 'name'
-      #   # => <label for="name">Name</label>
-      #
-      #   label_tag 'name', 'Your name'
-      #   # => <label for="name">Your name</label>
-      #
-      #   label_tag 'name', nil, class: 'small_label'
-      #   # => <label for="name" class="small_label">Name</label>
-      def label_tag(name = nil, content_or_options = nil, options = nil, &block)
-        if block_given? && content_or_options.is_a?(Hash)
-          options = content_or_options = content_or_options.stringify_keys
-        else
-          options ||= {}
-          options = options.stringify_keys
-        end
-        options["for"] = sanitize_to_id(name) unless name.blank? || options.has_key?("for")
-        content_tag :label, content_or_options || name.to_s.humanize, options, &block
-      end
-
-      # Creates a hidden form input field used to transmit data that would be lost due to HTTP's statelessness or
-      # data that should be hidden from the user.
-      #
-      # ==== Options
-      # * Creates standard HTML attributes for the tag.
-      #
-      # ==== Examples
-      #   hidden_field_tag 'tags_list'
-      #   # => <input id="tags_list" name="tags_list" type="hidden" />
-      #
-      #   hidden_field_tag 'token', 'VUBJKB23UIVI1UU1VOBVI@'
-      #   # => <input id="token" name="token" type="hidden" value="VUBJKB23UIVI1UU1VOBVI@" />
-      #
-      #   hidden_field_tag 'collected_input', '', onchange: "alert('Input collected!')"
-      #   # => <input id="collected_input" name="collected_input" onchange="alert('Input collected!')"
-      #   #    type="hidden" value="" />
-      def hidden_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "hidden"))
-      end
-
-      # Creates a file upload field. If you are using file uploads then you will also need
-      # to set the multipart option for the form tag:
-      #
-      #   <%= form_tag '/upload', multipart: true do %>
-      #     <label for="file">File to Upload</label> <%= file_field_tag "file" %>
-      #     <%= submit_tag %>
-      #   <% end %>
-      #
-      # The specified URL will then be passed a File object containing the selected file, or if the field
-      # was left blank, a StringIO object.
-      #
-      # ==== Options
-      # * Creates standard HTML attributes for the tag.
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * <tt>:multiple</tt> - If set to true, *in most updated browsers* the user will be allowed to select multiple files.
-      # * <tt>:accept</tt> - If set to one or multiple mime-types, the user will be suggested a filter when choosing a file. You still need to set up model validations.
-      #
-      # ==== Examples
-      #   file_field_tag 'attachment'
-      #   # => <input id="attachment" name="attachment" type="file" />
-      #
-      #   file_field_tag 'avatar', class: 'profile_input'
-      #   # => <input class="profile_input" id="avatar" name="avatar" type="file" />
-      #
-      #   file_field_tag 'picture', disabled: true
-      #   # => <input disabled="disabled" id="picture" name="picture" type="file" />
-      #
-      #   file_field_tag 'resume', value: '~/resume.doc'
-      #   # => <input id="resume" name="resume" type="file" value="~/resume.doc" />
-      #
-      #   file_field_tag 'user_pic', accept: 'image/png,image/gif,image/jpeg'
-      #   # => <input accept="image/png,image/gif,image/jpeg" id="user_pic" name="user_pic" type="file" />
-      #
-      #   file_field_tag 'file', accept: 'text/html', class: 'upload', value: 'index.html'
-      #   # => <input accept="text/html" class="upload" id="file" name="file" type="file" value="index.html" />
-      def file_field_tag(name, options = {})
-        text_field_tag(name, nil, options.update("type" => "file"))
-      end
-
-      # Creates a password field, a masked text field that will hide the users input behind a mask character.
-      #
-      # ==== Options
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * <tt>:size</tt> - The number of visible characters that will fit in the input.
-      # * <tt>:maxlength</tt> - The maximum number of characters that the browser will allow the user to enter.
-      # * Any other key creates standard HTML attributes for the tag.
-      #
-      # ==== Examples
-      #   password_field_tag 'pass'
-      #   # => <input id="pass" name="pass" type="password" />
-      #
-      #   password_field_tag 'secret', 'Your secret here'
-      #   # => <input id="secret" name="secret" type="password" value="Your secret here" />
-      #
-      #   password_field_tag 'masked', nil, class: 'masked_input_field'
-      #   # => <input class="masked_input_field" id="masked" name="masked" type="password" />
-      #
-      #   password_field_tag 'token', '', size: 15
-      #   # => <input id="token" name="token" size="15" type="password" value="" />
-      #
-      #   password_field_tag 'key', nil, maxlength: 16
-      #   # => <input id="key" maxlength="16" name="key" type="password" />
-      #
-      #   password_field_tag 'confirm_pass', nil, disabled: true
-      #   # => <input disabled="disabled" id="confirm_pass" name="confirm_pass" type="password" />
-      #
-      #   password_field_tag 'pin', '1234', maxlength: 4, size: 6, class: "pin_input"
-      #   # => <input class="pin_input" id="pin" maxlength="4" name="pin" size="6" type="password" value="1234" />
-      def password_field_tag(name = "password", value = nil, options = {})
-        text_field_tag(name, value, options.update("type" => "password"))
-      end
-
-      # Creates a text input area; use a textarea for longer text inputs such as blog posts or descriptions.
-      #
-      # ==== Options
-      # * <tt>:size</tt> - A string specifying the dimensions (columns by rows) of the textarea (e.g., "25x10").
-      # * <tt>:rows</tt> - Specify the number of rows in the textarea
-      # * <tt>:cols</tt> - Specify the number of columns in the textarea
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * <tt>:escape</tt> - By default, the contents of the text input are HTML escaped.
-      #   If you need unescaped contents, set this to false.
-      # * Any other key creates standard HTML attributes for the tag.
-      #
-      # ==== Examples
-      #   text_area_tag 'post'
-      #   # => <textarea id="post" name="post"></textarea>
-      #
-      #   text_area_tag 'bio', @user.bio
-      #   # => <textarea id="bio" name="bio">This is my biography.</textarea>
-      #
-      #   text_area_tag 'body', nil, rows: 10, cols: 25
-      #   # => <textarea cols="25" id="body" name="body" rows="10"></textarea>
-      #
-      #   text_area_tag 'body', nil, size: "25x10"
-      #   # => <textarea name="body" id="body" cols="25" rows="10"></textarea>
-      #
-      #   text_area_tag 'description', "Description goes here.", disabled: true
-      #   # => <textarea disabled="disabled" id="description" name="description">Description goes here.</textarea>
-      #
-      #   text_area_tag 'comment', nil, class: 'comment_input'
-      #   # => <textarea class="comment_input" id="comment" name="comment"></textarea>
-      def text_area_tag(name, content = nil, options = {})
-        options = options.stringify_keys
-
-        if size = options.delete("size")
-          options["cols"], options["rows"] = size.split("x") if size.respond_to?(:split)
-        end
-
-        escape = options.delete("escape") { true }
-        content = ERB::Util.html_escape(content) if escape
-
-        content_tag :textarea, content.to_s.html_safe, { "name" => name, "id" => sanitize_to_id(name) }.update(options)
-      end
-
-      # Creates a check box form input tag.
-      #
-      # ==== Options
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * Any other key creates standard HTML options for the tag.
-      #
-      # ==== Examples
-      #   check_box_tag 'accept'
-      #   # => <input id="accept" name="accept" type="checkbox" value="1" />
-      #
-      #   check_box_tag 'rock', 'rock music'
-      #   # => <input id="rock" name="rock" type="checkbox" value="rock music" />
-      #
-      #   check_box_tag 'receive_email', 'yes', true
-      #   # => <input checked="checked" id="receive_email" name="receive_email" type="checkbox" value="yes" />
-      #
-      #   check_box_tag 'tos', 'yes', false, class: 'accept_tos'
-      #   # => <input class="accept_tos" id="tos" name="tos" type="checkbox" value="yes" />
-      #
-      #   check_box_tag 'eula', 'accepted', false, disabled: true
-      #   # => <input disabled="disabled" id="eula" name="eula" type="checkbox" value="accepted" />
-      def check_box_tag(name, value = "1", checked = false, options = {})
-        html_options = { "type" => "checkbox", "name" => name, "id" => sanitize_to_id(name), "value" => value }.update(options.stringify_keys)
-        html_options["checked"] = "checked" if checked
-        tag :input, html_options
-      end
-
-      # Creates a radio button; use groups of radio buttons named the same to allow users to
-      # select from a group of options.
-      #
-      # ==== Options
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * Any other key creates standard HTML options for the tag.
-      #
-      # ==== Examples
-      #   radio_button_tag 'gender', 'male'
-      #   # => <input id="gender_male" name="gender" type="radio" value="male" />
-      #
-      #   radio_button_tag 'receive_updates', 'no', true
-      #   # => <input checked="checked" id="receive_updates_no" name="receive_updates" type="radio" value="no" />
-      #
-      #   radio_button_tag 'time_slot', "3:00 p.m.", false, disabled: true
-      #   # => <input disabled="disabled" id="time_slot_300_pm" name="time_slot" type="radio" value="3:00 p.m." />
-      #
-      #   radio_button_tag 'color', "green", true, class: "color_input"
-      #   # => <input checked="checked" class="color_input" id="color_green" name="color" type="radio" value="green" />
-      def radio_button_tag(name, value, checked = false, options = {})
-        html_options = { "type" => "radio", "name" => name, "id" => "#{sanitize_to_id(name)}_#{sanitize_to_id(value)}", "value" => value }.update(options.stringify_keys)
-        html_options["checked"] = "checked" if checked
-        tag :input, html_options
-      end
-
-      # Creates a submit button with the text <tt>value</tt> as the caption.
-      #
-      # ==== Options
-      # * <tt>:data</tt> - This option can be used to add custom data attributes.
-      # * <tt>:disabled</tt> - If true, the user will not be able to use this input.
-      # * Any other key creates standard HTML options for the tag.
-      #
-      # ==== Data attributes
-      #
-      # * <tt>confirm: 'question?'</tt> - If present the unobtrusive JavaScript
-      #   drivers will provide a prompt with the question specified. If the user accepts,
-      #   the form is processed normally, otherwise no action is taken.
-      # * <tt>:disable_with</tt> - Value of this parameter will be used as the value for a
-      #   disabled version of the submit button when the form is submitted. This feature is
-      #   provided by the unobtrusive JavaScript driver.
-      #
-      # ==== Examples
-      #   submit_tag
-      #   # => <input name="commit" type="submit" value="Save changes" />
-      #
-      #   submit_tag "Edit this article"
-      #   # => <input name="commit" type="submit" value="Edit this article" />
-      #
-      #   submit_tag "Save edits", disabled: true
-      #   # => <input disabled="disabled" name="commit" type="submit" value="Save edits" />
-      #
-      #   submit_tag "Complete sale", data: { disable_with: "Please wait..." }
-      #   # => <input name="commit" data-disable-with="Please wait..." type="submit" value="Complete sale" />
-      #
-      #   submit_tag nil, class: "form_submit"
-      #   # => <input class="form_submit" name="commit" type="submit" />
-      #
-      #   submit_tag "Edit", class: "edit_button"
-      #   # => <input class="edit_button" name="commit" type="submit" value="Edit" />
-      #
-      #   submit_tag "Save", data: { confirm: "Are you sure?" }
-      #   # => <input name='commit' type='submit' value='Save' data-confirm="Are you sure?" />
-      #
-      def submit_tag(value = "Save changes", options = {})
-        options = options.stringify_keys
-
-        tag :input, { "type" => "submit", "name" => "commit", "value" => value }.update(options)
-      end
-
-      # Creates a button element that defines a <tt>submit</tt> button,
-      # <tt>reset</tt>button or a generic button which can be used in
-      # JavaScript, for example. You can use the button tag as a regular
-      # submit tag but it isn't supported in legacy browsers. However,
-      # the button tag allows richer labels such as images and emphasis,
-      # so this helper will also accept a block.
-      #
-      # ==== Options
-      # * <tt>:data</tt> - This option can be used to add custom data attributes.
-      # * <tt>:disabled</tt> - If true, the user will not be able to
-      #   use this input.
-      # * Any other key creates standard HTML options for the tag.
-      #
-      # ==== Data attributes
-      #
-      # * <tt>confirm: 'question?'</tt> - If present, the
-      #   unobtrusive JavaScript drivers will provide a prompt with
-      #   the question specified. If the user accepts, the form is
-      #   processed normally, otherwise no action is taken.
-      # * <tt>:disable_with</tt> - Value of this parameter will be
-      #   used as the value for a disabled version of the submit
-      #   button when the form is submitted. This feature is provided
-      #   by the unobtrusive JavaScript driver.
-      #
-      # ==== Examples
-      #   button_tag
-      #   # => <button name="button" type="submit">Button</button>
-      #
-      #   button_tag(type: 'button') do
-      #     content_tag(:strong, 'Ask me!')
-      #   end
-      #   # => <button name="button" type="button">
-      #   #     <strong>Ask me!</strong>
-      #   #    </button>
-      #
-      #   button_tag "Checkout", data: { disable_with => "Please wait..." }
-      #   # => <button data-disable-with="Please wait..." name="button" type="submit">Checkout</button>
-      #
-      def button_tag(content_or_options = nil, options = nil, &block)
-        options = content_or_options if block_given? && content_or_options.is_a?(Hash)
-        options ||= {}
-        options = options.stringify_keys
-
-        options.reverse_merge! 'name' => 'button', 'type' => 'submit'
-
-        content_tag :button, content_or_options || 'Button', options, &block
-      end
-
-      # Displays an image which when clicked will submit the form.
-      #
-      # <tt>source</tt> is passed to AssetTagHelper#path_to_image
-      #
-      # ==== Options
-      # * <tt>:data</tt> - This option can be used to add custom data attributes.
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
-      # * Any other key creates standard HTML options for the tag.
-      #
-      # ==== Data attributes
-      #
-      # * <tt>confirm: 'question?'</tt> - This will add a JavaScript confirm
-      #   prompt with the question specified. If the user accepts, the form is
-      #   processed normally, otherwise no action is taken.
-      #
-      # ==== Examples
-      #   image_submit_tag("login.png")
-      #   # => <input alt="Login" src="/images/login.png" type="image" />
-      #
-      #   image_submit_tag("purchase.png", disabled: true)
-      #   # => <input alt="Purchase" disabled="disabled" src="/images/purchase.png" type="image" />
-      #
-      #   image_submit_tag("search.png", class: 'search_button', alt: 'Find')
-      #   # => <input alt="Find" class="search_button" src="/images/search.png" type="image" />
-      #
-      #   image_submit_tag("agree.png", disabled: true, class: "agree_disagree_button")
-      #   # => <input alt="Agree" class="agree_disagree_button" disabled="disabled" src="/images/agree.png" type="image" />
-      #
-      #   image_submit_tag("save.png", data: { confirm: "Are you sure?" })
-      #   # => <input alt="Save" src="/images/save.png" data-confirm="Are you sure?" type="image" />
-      def image_submit_tag(source, options = {})
-        options = options.stringify_keys
-        tag :input, { "alt" => image_alt(source), "type" => "image", "src" => path_to_image(source) }.update(options)
-      end
-
-      # Creates a field set for grouping HTML form elements.
-      #
-      # <tt>legend</tt> will become the fieldset's title (optional as per W3C).
-      # <tt>options</tt> accept the same values as tag.
-      #
-      # ==== Examples
-      #   <%= field_set_tag do %>
-      #     <p><%= text_field_tag 'name' %></p>
-      #   <% end %>
-      #   # => <fieldset><p><input id="name" name="name" type="text" /></p></fieldset>
-      #
-      #   <%= field_set_tag 'Your details' do %>
-      #     <p><%= text_field_tag 'name' %></p>
-      #   <% end %>
-      #   # => <fieldset><legend>Your details</legend><p><input id="name" name="name" type="text" /></p></fieldset>
-      #
-      #   <%= field_set_tag nil, class: 'format' do %>
-      #     <p><%= text_field_tag 'name' %></p>
-      #   <% end %>
-      #   # => <fieldset class="format"><p><input id="name" name="name" type="text" /></p></fieldset>
-      def field_set_tag(legend = nil, options = nil, &block)
-        output = tag(:fieldset, options, true)
-        output.safe_concat(content_tag(:legend, legend)) unless legend.blank?
-        output.concat(capture(&block)) if block_given?
-        output.safe_concat("</fieldset>")
-      end
-
-      # Creates a text field of type "color".
-      #
-      # ==== Options
-      # * Accepts the same options as text_field_tag.
-      def color_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "color"))
-      end
-
-      # Creates a text field of type "search".
-      #
-      # ==== Options
-      # * Accepts the same options as text_field_tag.
-      def search_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "search"))
-      end
-
-      # Creates a text field of type "tel".
-      #
-      # ==== Options
-      # * Accepts the same options as text_field_tag.
-      def telephone_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "tel"))
-      end
-      alias phone_field_tag telephone_field_tag
-
-      # Creates a text field of type "date".
-      #
-      # ==== Options
-      # * Accepts the same options as text_field_tag.
-      def date_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "date"))
-      end
-
-      # Creates a text field of type "time".
-      #
-      # === Options
-      # * <tt>:min</tt> - The minimum acceptable value.
-      # * <tt>:max</tt> - The maximum acceptable value.
-      # * <tt>:step</tt> - The acceptable value granularity.
-      # * Otherwise accepts the same options as text_field_tag.
-      def time_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "time"))
-      end
-
-      # Creates a text field of type "datetime".
-      #
-      # === Options
-      # * <tt>:min</tt> - The minimum acceptable value.
-      # * <tt>:max</tt> - The maximum acceptable value.
-      # * <tt>:step</tt> - The acceptable value granularity.
-      # * Otherwise accepts the same options as text_field_tag.
-      def datetime_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "datetime"))
-      end
-
-      # Creates a text field of type "datetime-local".
-      #
-      # === Options
-      # * <tt>:min</tt> - The minimum acceptable value.
-      # * <tt>:max</tt> - The maximum acceptable value.
-      # * <tt>:step</tt> - The acceptable value granularity.
-      # * Otherwise accepts the same options as text_field_tag.
-      def datetime_local_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "datetime-local"))
-      end
-
-      # Creates a text field of type "month".
-      #
-      # === Options
-      # * <tt>:min</tt> - The minimum acceptable value.
-      # * <tt>:max</tt> - The maximum acceptable value.
-      # * <tt>:step</tt> - The acceptable value granularity.
-      # * Otherwise accepts the same options as text_field_tag.
-      def month_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "month"))
-      end
-
-      # Creates a text field of type "week".
-      #
-      # === Options
-      # * <tt>:min</tt> - The minimum acceptable value.
-      # * <tt>:max</tt> - The maximum acceptable value.
-      # * <tt>:step</tt> - The acceptable value granularity.
-      # * Otherwise accepts the same options as text_field_tag.
-      def week_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "week"))
-      end
-
-      # Creates a text field of type "url".
-      #
-      # ==== Options
-      # * Accepts the same options as text_field_tag.
-      def url_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "url"))
-      end
-
-      # Creates a text field of type "email".
-      #
-      # ==== Options
-      # * Accepts the same options as text_field_tag.
-      def email_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.stringify_keys.update("type" => "email"))
-      end
-
-      # Creates a number field.
-      #
-      # ==== Options
-      # * <tt>:min</tt> - The minimum acceptable value.
-      # * <tt>:max</tt> - The maximum acceptable value.
-      # * <tt>:in</tt> - A range specifying the <tt>:min</tt> and
-      #   <tt>:max</tt> values.
-      # * <tt>:step</tt> - The acceptable value granularity.
-      # * Otherwise accepts the same options as text_field_tag.
-      #
-      # ==== Examples
-      #   number_field_tag 'quantity', nil, in: 1...10
-      #   # => <input id="quantity" name="quantity" min="1" max="9" type="number" />
-      def number_field_tag(name, value = nil, options = {})
-        options = options.stringify_keys
-        options["type"] ||= "number"
-        if range = options.delete("in") || options.delete("within")
-          options.update("min" => range.min, "max" => range.max)
-        end
-        text_field_tag(name, value, options)
-      end
-
-      # Creates a range form element.
-      #
-      # ==== Options
-      # * Accepts the same options as number_field_tag.
-      def range_field_tag(name, value = nil, options = {})
-        number_field_tag(name, value, options.stringify_keys.update("type" => "range"))
-      end
-
-      # Creates the hidden UTF8 enforcer tag. Override this method in a helper
-      # to customize the tag.
-      def utf8_enforcer_tag
-        tag(:input, :type => "hidden", :name => "utf8", :value => "&#x2713;".html_safe)
-      end
-
-      private
-        def html_options_for_form(url_for_options, options)
-          options.stringify_keys.tap do |html_options|
-            html_options["enctype"] = "multipart/form-data" if html_options.delete("multipart")
-            # The following URL is unescaped, this is just a hash of options, and it is the
-            # responsibility of the caller to escape all the values.
-            html_options["action"]  = url_for(url_for_options)
-            html_options["accept-charset"] = "UTF-8"
-
-            html_options["data-remote"] = true if html_options.delete("remote")
-
-            if html_options["data-remote"] &&
-               !embed_authenticity_token_in_remote_forms &&
-               html_options["authenticity_token"].blank?
-              # The authenticity token is taken from the meta tag in this case
-              html_options["authenticity_token"] = false
-            elsif html_options["authenticity_token"] == true
-              # Include the default authenticity_token, which is only generated when its set to nil,
-              # but we needed the true value to override the default of no authenticity_token on data-remote.
-              html_options["authenticity_token"] = nil
-            end
-          end
-        end
-
-        def extra_tags_for_form(html_options)
-          authenticity_token = html_options.delete("authenticity_token")
-          method = html_options.delete("method").to_s
-
-          method_tag = case method
-            when /^get$/i # must be case-insensitive, but can't use downcase as might be nil
-              html_options["method"] = "get"
-              ''
-            when /^post$/i, "", nil
-              html_options["method"] = "post"
-              token_tag(authenticity_token)
-            else
-              html_options["method"] = "post"
-              method_tag(method) + token_tag(authenticity_token)
-          end
-
-          tags = utf8_enforcer_tag << method_tag
-          content_tag(:div, tags, :style => 'margin:0;padding:0;display:inline')
-        end
-
-        def form_tag_html(html_options)
-          extra_tags = extra_tags_for_form(html_options)
-          tag(:form, html_options, true) + extra_tags
-        end
-
-        def form_tag_in_block(html_options, &block)
-          content = capture(&block)
-          output = form_tag_html(html_options)
-          output << content
-          output.safe_concat("</form>")
-        end
-
-        # see http://www.w3.org/TR/html4/types.html#type-name
-        def sanitize_to_id(name)
-          name.to_s.delete(']').gsub(/[^-a-zA-Z0-9:.]/, "_")
-        end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb
deleted file mode 100644
index e475d5b018..0000000000
--- a/actionpack/lib/action_view/helpers/javascript_helper.rb
+++ /dev/null
@@ -1,75 +0,0 @@
-require 'action_view/helpers/tag_helper'
-
-module ActionView
-  module Helpers
-    module JavaScriptHelper
-      JS_ESCAPE_MAP = {
-        '\\'    => '\\\\',
-        '</'    => '<\/',
-        "\r\n"  => '\n',
-        "\n"    => '\n',
-        "\r"    => '\n',
-        '"'     => '\\"',
-        "'"     => "\\'"
-      }
-
-      JS_ESCAPE_MAP["\342\200\250".force_encoding(Encoding::UTF_8).encode!] = '&#x2028;'
-      JS_ESCAPE_MAP["\342\200\251".force_encoding(Encoding::UTF_8).encode!] = '&#x2029;'
-
-      # Escapes carriage returns and single and double quotes for JavaScript segments.
-      #
-      # Also available through the alias j(). This is particularly helpful in JavaScript
-      # responses, like:
-      #
-      #   $('some_element').replaceWith('<%=j render 'some/element_template' %>');
-      def escape_javascript(javascript)
-        if javascript
-          result = javascript.gsub(/(\\|<\/|\r\n|\342\200\250|\342\200\251|[\n\r"'])/u) {|match| JS_ESCAPE_MAP[match] }
-          javascript.html_safe? ? result.html_safe : result
-        else
-          ''
-        end
-      end
-
-      alias_method :j, :escape_javascript
-
-      # Returns a JavaScript tag with the +content+ inside. Example:
-      #   javascript_tag "alert('All is good')"
-      #
-      # Returns:
-      #   <script>
-      #   //<![CDATA[
-      #   alert('All is good')
-      #   //]]>
-      #   </script>
-      #
-      # +html_options+ may be a hash of attributes for the <tt>\<script></tt>
-      # tag.
-      #
-      #   javascript_tag "alert('All is good')", defer: 'defer'
-      #   # => <script defer="defer">alert('All is good')</script>
-      #
-      # Instead of passing the content as an argument, you can also use a block
-      # in which case, you pass your +html_options+ as the first parameter.
-      #
-      #   <%= javascript_tag defer: 'defer' do -%>
-      #     alert('All is good')
-      #   <% end -%>
-      def javascript_tag(content_or_options_with_block = nil, html_options = {}, &block)
-        content =
-          if block_given?
-            html_options = content_or_options_with_block if content_or_options_with_block.is_a?(Hash)
-            capture(&block)
-          else
-            content_or_options_with_block
-          end
-
-        content_tag(:script, javascript_cdata_section(content), html_options)
-      end
-
-      def javascript_cdata_section(content) #:nodoc:
-        "\n//#{cdata_section("\n#{content}\n//")}\n".html_safe
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb
deleted file mode 100644
index fda7038a5d..0000000000
--- a/actionpack/lib/action_view/helpers/number_helper.rb
+++ /dev/null
@@ -1,441 +0,0 @@
-# encoding: utf-8
-
-require 'active_support/core_ext/hash/keys'
-require 'active_support/core_ext/string/output_safety'
-require 'active_support/number_helper'
-
-module ActionView
-  # = Action View Number Helpers
-  module Helpers #:nodoc:
-
-    # Provides methods for converting numbers into formatted strings.
-    # Methods are provided for phone numbers, currency, percentage,
-    # precision, positional notation, file size and pretty printing.
-    #
-    # Most methods expect a +number+ argument, and will return it
-    # unchanged if can't be converted into a valid number.
-    module NumberHelper
-
-      # Raised when argument +number+ param given to the helpers is invalid and
-      # the option :raise is set to  +true+.
-      class InvalidNumberError < StandardError
-        attr_accessor :number
-        def initialize(number)
-          @number = number
-        end
-      end
-
-      # Formats a +number+ into a US phone number (e.g., (555)
-      # 123-9876). You can customize the format in the +options+ hash.
-      #
-      # ==== Options
-      #
-      # * <tt>:area_code</tt> - Adds parentheses around the area code.
-      # * <tt>:delimiter</tt> - Specifies the delimiter to use
-      #   (defaults to "-").
-      # * <tt>:extension</tt> - Specifies an extension to add to the
-      #   end of the generated number.
-      # * <tt>:country_code</tt> - Sets the country code for the phone
-      #   number.
-      # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when
-      #   the argument is invalid.
-      #
-      # ==== Examples
-      #
-      #   number_to_phone(5551234)                                           # => 555-1234
-      #   number_to_phone("5551234")                                         # => 555-1234
-      #   number_to_phone(1235551234)                                        # => 123-555-1234
-      #   number_to_phone(1235551234, area_code: true)                       # => (123) 555-1234
-      #   number_to_phone(1235551234, delimiter: " ")                        # => 123 555 1234
-      #   number_to_phone(1235551234, area_code: true, extension: 555)       # => (123) 555-1234 x 555
-      #   number_to_phone(1235551234, country_code: 1)                       # => +1-123-555-1234
-      #   number_to_phone("123a456")                                         # => 123a456
-      #   number_to_phone("1234a567", raise: true)                           # => InvalidNumberError
-      #
-      #   number_to_phone(1235551234, country_code: 1, extension: 1343, delimiter: ".")
-      #   # => +1.123.555.1234 x 1343
-      def number_to_phone(number, options = {})
-        return unless number
-        options = options.symbolize_keys
-
-        parse_float(number, true) if options.delete(:raise)
-        ERB::Util.html_escape(ActiveSupport::NumberHelper.number_to_phone(number, options))
-      end
-
-      # Formats a +number+ into a currency string (e.g., $13.65). You
-      # can customize the format in the +options+ hash.
-      #
-      # ==== Options
-      #
-      # * <tt>:locale</tt> - Sets the locale to be used for formatting
-      #   (defaults to current locale).
-      # * <tt>:precision</tt> - Sets the level of precision (defaults
-      #   to 2).
-      # * <tt>:unit</tt> - Sets the denomination of the currency
-      #   (defaults to "$").
-      # * <tt>:separator</tt> - Sets the separator between the units
-      #   (defaults to ".").
-      # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults
-      #   to ",").
-      # * <tt>:format</tt> - Sets the format for non-negative numbers
-      #   (defaults to "%u%n").  Fields are <tt>%u</tt> for the
-      #   currency, and <tt>%n</tt> for the number.
-      # * <tt>:negative_format</tt> - Sets the format for negative
-      #   numbers (defaults to prepending an hyphen to the formatted
-      #   number given by <tt>:format</tt>).  Accepts the same fields
-      #   than <tt>:format</tt>, except <tt>%n</tt> is here the
-      #   absolute value of the number.
-      # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when
-      #   the argument is invalid.
-      #
-      # ==== Examples
-      #
-      #   number_to_currency(1234567890.50)                    # => $1,234,567,890.50
-      #   number_to_currency(1234567890.506)                   # => $1,234,567,890.51
-      #   number_to_currency(1234567890.506, precision: 3)     # => $1,234,567,890.506
-      #   number_to_currency(1234567890.506, locale: :fr)      # => 1 234 567 890,51 €
-      #   number_to_currency("123a456")                        # => $123a456
-      #
-      #   number_to_currency("123a456", raise: true)           # => InvalidNumberError
-      #
-      #   number_to_currency(-1234567890.50, negative_format: "(%u%n)")
-      #   # => ($1,234,567,890.50)
-      #   number_to_currency(1234567890.50, unit: "&pound;", separator: ",", delimiter: "")
-      #   # => &pound;1234567890,50
-      #   number_to_currency(1234567890.50, unit: "&pound;", separator: ",", delimiter: "", format: "%n %u")
-      #   # => 1234567890,50 &pound;
-      def number_to_currency(number, options = {})
-        return unless number
-        options = escape_unsafe_delimiters_and_separators(options.symbolize_keys)
-
-        wrap_with_output_safety_handling(number, options.delete(:raise)) {
-          ActiveSupport::NumberHelper.number_to_currency(number, options)
-        }
-      end
-
-      # Formats a +number+ as a percentage string (e.g., 65%). You can
-      # customize the format in the +options+ hash.
-      #
-      # ==== Options
-      #
-      # * <tt>:locale</tt> - Sets the locale to be used for formatting
-      #   (defaults to current locale).
-      # * <tt>:precision</tt> - Sets the precision of the number
-      #   (defaults to 3).
-      # * <tt>:significant</tt> - If +true+, precision will be the #
-      #   of significant_digits. If +false+, the # of fractional
-      #   digits (defaults to +false+).
-      # * <tt>:separator</tt> - Sets the separator between the
-      #   fractional and integer digits (defaults to ".").
-      # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults
-      #   to "").
-      # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes
-      #   insignificant zeros after the decimal separator (defaults to
-      #   +false+).
-      # * <tt>:format</tt> - Specifies the format of the percentage
-      #   string The number field is <tt>%n</tt> (defaults to "%n%").
-      # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when
-      #   the argument is invalid.
-      #
-      # ==== Examples
-      #
-      #   number_to_percentage(100)                                        # => 100.000%
-      #   number_to_percentage("98")                                       # => 98.000%
-      #   number_to_percentage(100, precision: 0)                          # => 100%
-      #   number_to_percentage(1000, delimiter: '.', separator: ',')       # => 1.000,000%
-      #   number_to_percentage(302.24398923423, precision: 5)              # => 302.24399%
-      #   number_to_percentage(1000, locale: :fr)                          # => 1 000,000%
-      #   number_to_percentage("98a")                                      # => 98a%
-      #   number_to_percentage(100, format: "%n  %")                       # => 100  %
-      #
-      #   number_to_percentage("98a", raise: true)                         # => InvalidNumberError
-      def number_to_percentage(number, options = {})
-        return unless number
-        options = escape_unsafe_delimiters_and_separators(options.symbolize_keys)
-
-        wrap_with_output_safety_handling(number, options.delete(:raise)) {
-          ActiveSupport::NumberHelper.number_to_percentage(number, options)
-        }
-      end
-
-      # Formats a +number+ with grouped thousands using +delimiter+
-      # (e.g., 12,324). You can customize the format in the +options+
-      # hash.
-      #
-      # ==== Options
-      #
-      # * <tt>:locale</tt> - Sets the locale to be used for formatting
-      #   (defaults to current locale).
-      # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults
-      #   to ",").
-      # * <tt>:separator</tt> - Sets the separator between the
-      #   fractional and integer digits (defaults to ".").
-      # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when
-      #   the argument is invalid.
-      #
-      # ==== Examples
-      #
-      #   number_with_delimiter(12345678)                        # => 12,345,678
-      #   number_with_delimiter("123456")                        # => 123,456
-      #   number_with_delimiter(12345678.05)                     # => 12,345,678.05
-      #   number_with_delimiter(12345678, delimiter: ".")        # => 12.345.678
-      #   number_with_delimiter(12345678, delimiter: ",")        # => 12,345,678
-      #   number_with_delimiter(12345678.05, separator: " ")     # => 12,345,678 05
-      #   number_with_delimiter(12345678.05, locale: :fr)        # => 12 345 678,05
-      #   number_with_delimiter("112a")                          # => 112a
-      #   number_with_delimiter(98765432.98, delimiter: " ", separator: ",")
-      #   # => 98 765 432,98
-      #
-      #  number_with_delimiter("112a", raise: true)              # => raise InvalidNumberError
-      def number_with_delimiter(number, options = {})
-        options = escape_unsafe_delimiters_and_separators(options.symbolize_keys)
-
-        wrap_with_output_safety_handling(number, options.delete(:raise)) {
-          ActiveSupport::NumberHelper.number_to_delimited(number, options)
-        }
-      end
-
-      # Formats a +number+ with the specified level of
-      # <tt>:precision</tt> (e.g., 112.32 has a precision of 2 if
-      # +:significant+ is +false+, and 5 if +:significant+ is +true+).
-      # You can customize the format in the +options+ hash.
-      #
-      # ==== Options
-      #
-      # * <tt>:locale</tt> - Sets the locale to be used for formatting
-      #   (defaults to current locale).
-      # * <tt>:precision</tt> - Sets the precision of the number
-      #   (defaults to 3).
-      # * <tt>:significant</tt> - If +true+, precision will be the #
-      #   of significant_digits. If +false+, the # of fractional
-      #   digits (defaults to +false+).
-      # * <tt>:separator</tt> - Sets the separator between the
-      #   fractional and integer digits (defaults to ".").
-      # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults
-      #   to "").
-      # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes
-      #   insignificant zeros after the decimal separator (defaults to
-      #   +false+).
-      # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when
-      #   the argument is invalid.
-      #
-      # ==== Examples
-      #
-      #   number_with_precision(111.2345)                                         # => 111.235
-      #   number_with_precision(111.2345, precision: 2)                           # => 111.23
-      #   number_with_precision(13, precision: 5)                                 # => 13.00000
-      #   number_with_precision(389.32314, precision: 0)                          # => 389
-      #   number_with_precision(111.2345, significant: true)                      # => 111
-      #   number_with_precision(111.2345, precision: 1, significant: true)        # => 100
-      #   number_with_precision(13, precision: 5, significant: true)              # => 13.000
-      #   number_with_precision(111.234, locale: :fr)                             # => 111,234
-      #
-      #   number_with_precision(13, precision: 5, significant: true, strip_insignificant_zeros: true)
-      #   # => 13
-      #
-      #   number_with_precision(389.32314, precision: 4, significant: true)       # => 389.3
-      #   number_with_precision(1111.2345, precision: 2, separator: ',', delimiter: '.')
-      #   # => 1.111,23
-      def number_with_precision(number, options = {})
-        options = escape_unsafe_delimiters_and_separators(options.symbolize_keys)
-
-        wrap_with_output_safety_handling(number, options.delete(:raise)) {
-          ActiveSupport::NumberHelper.number_to_rounded(number, options)
-        }
-      end
-
-      # Formats the bytes in +number+ into a more understandable
-      # representation (e.g., giving it 1500 yields 1.5 KB). This
-      # method is useful for reporting file sizes to users. You can
-      # customize the format in the +options+ hash.
-      #
-      # See <tt>number_to_human</tt> if you want to pretty-print a
-      # generic number.
-      #
-      # ==== Options
-      #
-      # * <tt>:locale</tt> - Sets the locale to be used for formatting
-      #   (defaults to current locale).
-      # * <tt>:precision</tt> - Sets the precision of the number
-      #   (defaults to 3).
-      # * <tt>:significant</tt> - If +true+, precision will be the #
-      #   of significant_digits. If +false+, the # of fractional
-      #   digits (defaults to +true+)
-      # * <tt>:separator</tt> - Sets the separator between the
-      #   fractional and integer digits (defaults to ".").
-      # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults
-      #   to "").
-      # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes
-      #   insignificant zeros after the decimal separator (defaults to
-      #   +true+)
-      # * <tt>:prefix</tt> - If +:si+ formats the number using the SI
-      #   prefix (defaults to :binary)
-      # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when
-      #   the argument is invalid.
-      #
-      # ==== Examples
-      #
-      #   number_to_human_size(123)                                          # => 123 Bytes
-      #   number_to_human_size(1234)                                         # => 1.21 KB
-      #   number_to_human_size(12345)                                        # => 12.1 KB
-      #   number_to_human_size(1234567)                                      # => 1.18 MB
-      #   number_to_human_size(1234567890)                                   # => 1.15 GB
-      #   number_to_human_size(1234567890123)                                # => 1.12 TB
-      #   number_to_human_size(1234567, precision: 2)                        # => 1.2 MB
-      #   number_to_human_size(483989, precision: 2)                         # => 470 KB
-      #   number_to_human_size(1234567, precision: 2, separator: ',')        # => 1,2 MB
-      #
-      # Non-significant zeros after the fractional separator are
-      # stripped out by default (set
-      # <tt>:strip_insignificant_zeros</tt> to +false+ to change
-      # that):
-      #
-      #   number_to_human_size(1234567890123, precision: 5)        # => "1.1229 TB"
-      #   number_to_human_size(524288000, precision: 5)            # => "500 MB"
-      def number_to_human_size(number, options = {})
-        options = escape_unsafe_delimiters_and_separators(options.symbolize_keys)
-
-        wrap_with_output_safety_handling(number, options.delete(:raise)) {
-          ActiveSupport::NumberHelper.number_to_human_size(number, options)
-        }
-      end
-
-      # Pretty prints (formats and approximates) a number in a way it
-      # is more readable by humans (eg.: 1200000000 becomes "1.2
-      # Billion"). This is useful for numbers that can get very large
-      # (and too hard to read).
-      #
-      # See <tt>number_to_human_size</tt> if you want to print a file
-      # size.
-      #
-      # You can also define you own unit-quantifier names if you want
-      # to use other decimal units (eg.: 1500 becomes "1.5
-      # kilometers", 0.150 becomes "150 milliliters", etc). You may
-      # define a wide range of unit quantifiers, even fractional ones
-      # (centi, deci, mili, etc).
-      #
-      # ==== Options
-      #
-      # * <tt>:locale</tt> - Sets the locale to be used for formatting
-      #   (defaults to current locale).
-      # * <tt>:precision</tt> - Sets the precision of the number
-      #   (defaults to 3).
-      # * <tt>:significant</tt> - If +true+, precision will be the #
-      #   of significant_digits. If +false+, the # of fractional
-      #   digits (defaults to +true+)
-      # * <tt>:separator</tt> - Sets the separator between the
-      #   fractional and integer digits (defaults to ".").
-      # * <tt>:delimiter</tt> - Sets the thousands delimiter (defaults
-      #   to "").
-      # * <tt>:strip_insignificant_zeros</tt> - If +true+ removes
-      #   insignificant zeros after the decimal separator (defaults to
-      #   +true+)
-      # * <tt>:units</tt> - A Hash of unit quantifier names. Or a
-      #   string containing an i18n scope where to find this hash. It
-      #   might have the following keys:
-      #   * *integers*: <tt>:unit</tt>, <tt>:ten</tt>,
-      #     *<tt>:hundred</tt>, <tt>:thousand</tt>, <tt>:million</tt>,
-      #     *<tt>:billion</tt>, <tt>:trillion</tt>,
-      #     *<tt>:quadrillion</tt>
-      #   * *fractionals*: <tt>:deci</tt>, <tt>:centi</tt>,
-      #     *<tt>:mili</tt>, <tt>:micro</tt>, <tt>:nano</tt>,
-      #     *<tt>:pico</tt>, <tt>:femto</tt>
-      # * <tt>:format</tt> - Sets the format of the output string
-      #   (defaults to "%n %u"). The field types are:
-      #   * %u - The quantifier (ex.: 'thousand')
-      #   * %n - The number
-      # * <tt>:raise</tt> - If true, raises +InvalidNumberError+ when
-      #   the argument is invalid.
-      #
-      # ==== Examples
-      #
-      #   number_to_human(123)                                          # => "123"
-      #   number_to_human(1234)                                         # => "1.23 Thousand"
-      #   number_to_human(12345)                                        # => "12.3 Thousand"
-      #   number_to_human(1234567)                                      # => "1.23 Million"
-      #   number_to_human(1234567890)                                   # => "1.23 Billion"
-      #   number_to_human(1234567890123)                                # => "1.23 Trillion"
-      #   number_to_human(1234567890123456)                             # => "1.23 Quadrillion"
-      #   number_to_human(1234567890123456789)                          # => "1230 Quadrillion"
-      #   number_to_human(489939, precision: 2)                         # => "490 Thousand"
-      #   number_to_human(489939, precision: 4)                         # => "489.9 Thousand"
-      #   number_to_human(1234567, precision: 4,
-      #                           significant: false)                   # => "1.2346 Million"
-      #   number_to_human(1234567, precision: 1,
-      #                           separator: ',',
-      #                           significant: false)                   # => "1,2 Million"
-      #
-      # Non-significant zeros after the decimal separator are stripped
-      # out by default (set <tt>:strip_insignificant_zeros</tt> to
-      # +false+ to change that):
-      #   number_to_human(12345012345, significant_digits: 6)       # => "12.345 Billion"
-      #   number_to_human(500000000, precision: 5)                  # => "500 Million"
-      #
-      # ==== Custom Unit Quantifiers
-      #
-      # You can also use your own custom unit quantifiers:
-      #  number_to_human(500000, units: {unit: "ml", thousand: "lt"})  # => "500 lt"
-      #
-      # If in your I18n locale you have:
-      #   distance:
-      #     centi:
-      #       one: "centimeter"
-      #       other: "centimeters"
-      #     unit:
-      #       one: "meter"
-      #       other: "meters"
-      #     thousand:
-      #       one: "kilometer"
-      #       other: "kilometers"
-      #     billion: "gazillion-distance"
-      #
-      # Then you could do:
-      #
-      #  number_to_human(543934, units: :distance)              # => "544 kilometers"
-      #  number_to_human(54393498, units: :distance)            # => "54400 kilometers"
-      #  number_to_human(54393498000, units: :distance)         # => "54.4 gazillion-distance"
-      #  number_to_human(343, units: :distance, precision: 1)   # => "300 meters"
-      #  number_to_human(1, units: :distance)                   # => "1 meter"
-      #  number_to_human(0.34, units: :distance)                # => "34 centimeters"
-      #
-      def number_to_human(number, options = {})
-        options = escape_unsafe_delimiters_and_separators(options.symbolize_keys)
-
-        wrap_with_output_safety_handling(number, options.delete(:raise)) {
-          ActiveSupport::NumberHelper.number_to_human(number, options)
-        }
-      end
-
-      private
-
-      def escape_unsafe_delimiters_and_separators(options)
-        options[:separator] = ERB::Util.html_escape(options[:separator]) if options[:separator] && !options[:separator].html_safe?
-        options[:delimiter] = ERB::Util.html_escape(options[:delimiter]) if options[:delimiter] && !options[:delimiter].html_safe?
-        options
-      end
-
-      def wrap_with_output_safety_handling(number, raise_on_invalid, &block)
-        valid_float = valid_float?(number)
-        raise InvalidNumberError, number if raise_on_invalid && !valid_float
-
-        formatted_number = yield
-
-        if valid_float || number.html_safe?
-          formatted_number.html_safe
-        else
-          formatted_number
-        end
-      end
-
-      def valid_float?(number)
-        !parse_float(number, false).nil?
-      end
-
-      def parse_float(number, raise_error)
-        Float(number)
-      rescue ArgumentError, TypeError
-        raise InvalidNumberError, number if raise_error
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/output_safety_helper.rb b/actionpack/lib/action_view/helpers/output_safety_helper.rb
deleted file mode 100644
index 60a4478c26..0000000000
--- a/actionpack/lib/action_view/helpers/output_safety_helper.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-require 'active_support/core_ext/string/output_safety'
-
-module ActionView #:nodoc:
-  # = Action View Raw Output Helper
-  module Helpers #:nodoc:
-    module OutputSafetyHelper
-      # This method outputs without escaping a string. Since escaping tags is
-      # now default, this can be used when you don't want Rails to automatically
-      # escape tags. This is not recommended if the data is coming from the user's
-      # input.
-      #
-      # For example:
-      #
-      #  raw @user.name
-      #  # => 'Jimmy <alert>Tables</alert>'
-      def raw(stringish)
-        stringish.to_s.html_safe
-      end
-
-      # This method returns a html safe string similar to what <tt>Array#join</tt>
-      # would return. All items in the array, including the supplied separator, are
-      # html escaped unless they are html safe, and the returned string is marked
-      # as html safe.
-      #
-      #   safe_join(["<p>foo</p>".html_safe, "<p>bar</p>"], "<br />")
-      #   # => "<p>foo</p>&lt;br /&gt;&lt;p&gt;bar&lt;/p&gt;"
-      #
-      #   safe_join(["<p>foo</p>".html_safe, "<p>bar</p>".html_safe], "<br />".html_safe)
-      #   # => "<p>foo</p><br /><p>bar</p>"
-      #
-      def safe_join(array, sep=$,)
-        sep = ERB::Util.html_escape(sep)
-
-        array.map { |i| ERB::Util.html_escape(i) }.join(sep).html_safe
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/record_tag_helper.rb b/actionpack/lib/action_view/helpers/record_tag_helper.rb
deleted file mode 100644
index f767957fa9..0000000000
--- a/actionpack/lib/action_view/helpers/record_tag_helper.rb
+++ /dev/null
@@ -1,106 +0,0 @@
-module ActionView
-  # = Action View Record Tag Helpers
-  module Helpers
-    module RecordTagHelper
-      include ActionView::RecordIdentifier
-
-      # Produces a wrapper DIV element with id and class parameters that
-      # relate to the specified Active Record object. Usage example:
-      #
-      #    <%= div_for(@person, class: "foo") do %>
-      #       <%= @person.name %>
-      #    <% end %>
-      #
-      # produces:
-      #
-      #    <div id="person_123" class="person foo"> Joe Bloggs </div>
-      #
-      # You can also pass an array of Active Record objects, which will then
-      # get iterated over and yield each record as an argument for the block.
-      # For example:
-      #
-      #    <%= div_for(@people, class: "foo") do |person| %>
-      #      <%= person.name %>
-      #    <% end %>
-      #
-      # produces:
-      #
-      #    <div id="person_123" class="person foo"> Joe Bloggs </div>
-      #    <div id="person_124" class="person foo"> Jane Bloggs </div>
-      #
-      def div_for(record, *args, &block)
-        content_tag_for(:div, record, *args, &block)
-      end
-
-      # content_tag_for creates an HTML element with id and class parameters
-      # that relate to the specified Active Record object. For example:
-      #
-      #    <%= content_tag_for(:tr, @person) do %>
-      #      <td><%= @person.first_name %></td>
-      #      <td><%= @person.last_name %></td>
-      #    <% end %>
-      #
-      # would produce the following HTML (assuming @person is an instance of
-      # a Person object, with an id value of 123):
-      #
-      #    <tr id="person_123" class="person">....</tr>
-      #
-      # If you require the HTML id attribute to have a prefix, you can specify it:
-      #
-      #    <%= content_tag_for(:tr, @person, :foo) do %> ...
-      #
-      # produces:
-      #
-      #    <tr id="foo_person_123" class="person">...
-      #
-      # You can also pass an array of objects which this method will loop through
-      # and yield the current object to the supplied block, reducing the need for
-      # having to iterate through the object (using <tt>each</tt>) beforehand.
-      # For example (assuming @people is an array of Person objects):
-      #
-      #    <%= content_tag_for(:tr, @people) do |person| %>
-      #      <td><%= person.first_name %></td>
-      #      <td><%= person.last_name %></td>
-      #    <% end %>
-      #
-      # produces:
-      #
-      #    <tr id="person_123" class="person">...</tr>
-      #    <tr id="person_124" class="person">...</tr>
-      #
-      # content_tag_for also accepts a hash of options, which will be converted to
-      # additional HTML attributes. If you specify a <tt>:class</tt> value, it will be combined
-      # with the default class name for your object. For example:
-      #
-      #    <%= content_tag_for(:li, @person, class: "bar") %>...
-      #
-      # produces:
-      #
-      #    <li id="person_123" class="person bar">...
-      #
-      def content_tag_for(tag_name, single_or_multiple_records, prefix = nil, options = nil, &block)
-        options, prefix = prefix, nil if prefix.is_a?(Hash)
-
-        Array(single_or_multiple_records).map do |single_record|
-          content_tag_for_single_record(tag_name, single_record, prefix, options, &block)
-        end.join("\n").html_safe
-      end
-
-      private
-
-        # Called by <tt>content_tag_for</tt> internally to render a content tag
-        # for each record.
-        def content_tag_for_single_record(tag_name, record, prefix, options, &block)
-          options = options ? options.dup : {}
-          options[:class] = [ dom_class(record, prefix), options[:class] ].compact
-          options[:id]    = dom_id(record, prefix)
-
-          if block_given?
-            content_tag(tag_name, capture(record, &block), options)
-          else
-            content_tag(tag_name, "", options)
-          end
-        end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/rendering_helper.rb b/actionpack/lib/action_view/helpers/rendering_helper.rb
deleted file mode 100644
index 458086de96..0000000000
--- a/actionpack/lib/action_view/helpers/rendering_helper.rb
+++ /dev/null
@@ -1,90 +0,0 @@
-module ActionView
-  module Helpers
-    # = Action View Rendering
-    #
-    # Implements methods that allow rendering from a view context.
-    # In order to use this module, all you need is to implement
-    # view_renderer that returns an ActionView::Renderer object.
-    module RenderingHelper
-      # Returns the result of a render that's dictated by the options hash. The primary options are:
-      #
-      # * <tt>:partial</tt> - See <tt>ActionView::PartialRenderer</tt>.
-      # * <tt>:file</tt> - Renders an explicit template file (this used to be the old default), add :locals to pass in those.
-      # * <tt>:inline</tt> - Renders an inline template similar to how it's done in the controller.
-      # * <tt>:text</tt> - Renders the text passed in out.
-      #
-      # If no options hash is passed or :update specified, the default is to render a partial and use the second parameter
-      # as the locals hash.
-      def render(options = {}, locals = {}, &block)
-        case options
-        when Hash
-          if block_given?
-            view_renderer.render_partial(self, options.merge(:partial => options[:layout]), &block)
-          else
-            view_renderer.render(self, options)
-          end
-        else
-          view_renderer.render_partial(self, :partial => options, :locals => locals)
-        end
-      end
-
-      # Overwrites _layout_for in the context object so it supports the case a block is
-      # passed to a partial. Returns the contents that are yielded to a layout, given a
-      # name or a block.
-      #
-      # You can think of a layout as a method that is called with a block. If the user calls
-      # <tt>yield :some_name</tt>, the block, by default, returns <tt>content_for(:some_name)</tt>.
-      # If the user calls simply +yield+, the default block returns <tt>content_for(:layout)</tt>.
-      #
-      # The user can override this default by passing a block to the layout:
-      #
-      #   # The template
-      #   <%= render layout: "my_layout" do %>
-      #     Content
-      #   <% end %>
-      #
-      #   # The layout
-      #   <html>
-      #     <%= yield %>
-      #   </html>
-      #
-      # In this case, instead of the default block, which would return <tt>content_for(:layout)</tt>,
-      # this method returns the block that was passed in to <tt>render :layout</tt>, and the response
-      # would be
-      #
-      #   <html>
-      #     Content
-      #   </html>
-      #
-      # Finally, the block can take block arguments, which can be passed in by +yield+:
-      #
-      #   # The template
-      #   <%= render layout: "my_layout" do |customer| %>
-      #     Hello <%= customer.name %>
-      #   <% end %>
-      #
-      #   # The layout
-      #   <html>
-      #     <%= yield Struct.new(:name).new("David") %>
-      #   </html>
-      #
-      # In this case, the layout would receive the block passed into <tt>render :layout</tt>,
-      # and the struct specified would be passed into the block as an argument. The result
-      # would be
-      #
-      #   <html>
-      #     Hello David
-      #   </html>
-      #
-      def _layout_for(*args, &block)
-        name = args.first
-
-        if block && !name.is_a?(Symbol)
-          capture(*args, &block)
-        else
-          super
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/sanitize_helper.rb b/actionpack/lib/action_view/helpers/sanitize_helper.rb
deleted file mode 100644
index e5cb843670..0000000000
--- a/actionpack/lib/action_view/helpers/sanitize_helper.rb
+++ /dev/null
@@ -1,256 +0,0 @@
-require 'active_support/core_ext/object/try'
-require 'action_view/vendor/html-scanner'
-
-module ActionView
-  # = Action View Sanitize Helpers
-  module Helpers
-    # The SanitizeHelper module provides a set of methods for scrubbing text of undesired HTML elements.
-    # These helper methods extend Action View making them callable within your template files.
-    module SanitizeHelper
-      extend ActiveSupport::Concern
-      # This +sanitize+ helper will html encode all tags and strip all attributes that
-      # aren't specifically allowed.
-      #
-      # It also strips href/src tags with invalid protocols, like javascript: especially.
-      # It does its best to counter any  tricks that hackers may use, like throwing in
-      # unicode/ascii/hex values to get past the javascript: filters. Check out
-      # the extensive test suite.
-      #
-      #   <%= sanitize @article.body %>
-      #
-      # You can add or remove tags/attributes if you want to customize it a bit.
-      # See ActionView::Base for full docs on the available options. You can add
-      # tags/attributes for single uses of +sanitize+ by passing either the
-      # <tt>:attributes</tt> or <tt>:tags</tt> options:
-      #
-      # Normal Use
-      #
-      #   <%= sanitize @article.body %>
-      #
-      # Custom Use (only the mentioned tags and attributes are allowed, nothing else)
-      #
-      #   <%= sanitize @article.body, tags: %w(table tr td), attributes: %w(id class style) %>
-      #
-      # Add table tags to the default allowed tags
-      #
-      #   class Application < Rails::Application
-      #     config.action_view.sanitized_allowed_tags = 'table', 'tr', 'td'
-      #   end
-      #
-      # Remove tags to the default allowed tags
-      #
-      #   class Application < Rails::Application
-      #     config.after_initialize do
-      #       ActionView::Base.sanitized_allowed_tags.delete 'div'
-      #     end
-      #   end
-      #
-      # Change allowed default attributes
-      #
-      #   class Application < Rails::Application
-      #     config.action_view.sanitized_allowed_attributes = 'id', 'class', 'style'
-      #   end
-      #
-      # Please note that sanitizing user-provided text does not guarantee that the
-      # resulting markup is valid (conforming to a document type) or even well-formed.
-      # The output may still contain e.g. unescaped '<', '>', '&' characters and
-      # confuse browsers.
-      #
-      def sanitize(html, options = {})
-        self.class.white_list_sanitizer.sanitize(html, options).try(:html_safe)
-      end
-
-      # Sanitizes a block of CSS code. Used by +sanitize+ when it comes across a style attribute.
-      def sanitize_css(style)
-        self.class.white_list_sanitizer.sanitize_css(style)
-      end
-
-      # Strips all HTML tags from the +html+, including comments. This uses the
-      # html-scanner tokenizer and so its HTML parsing ability is limited by
-      # that of html-scanner.
-      #
-      #   strip_tags("Strip <i>these</i> tags!")
-      #   # => Strip these tags!
-      #
-      #   strip_tags("<b>Bold</b> no more!  <a href='more.html'>See more here</a>...")
-      #   # => Bold no more!  See more here...
-      #
-      #   strip_tags("<div id='top-bar'>Welcome to my website!</div>")
-      #   # => Welcome to my website!
-      def strip_tags(html)
-        self.class.full_sanitizer.sanitize(html)
-      end
-
-      # Strips all link tags from +text+ leaving just the link text.
-      #
-      #   strip_links('<a href="http://www.rubyonrails.org">Ruby on Rails</a>')
-      #   # => Ruby on Rails
-      #
-      #   strip_links('Please e-mail me at <a href="mailto:me@email.com">me@email.com</a>.')
-      #   # => Please e-mail me at me@email.com.
-      #
-      #   strip_links('Blog: <a href="http://www.myblog.com/" class="nav" target=\"_blank\">Visit</a>.')
-      #   # => Blog: Visit.
-      def strip_links(html)
-        self.class.link_sanitizer.sanitize(html)
-      end
-
-      module ClassMethods #:nodoc:
-        attr_writer :full_sanitizer, :link_sanitizer, :white_list_sanitizer
-
-        def sanitized_protocol_separator
-          white_list_sanitizer.protocol_separator
-        end
-
-        def sanitized_uri_attributes
-          white_list_sanitizer.uri_attributes
-        end
-
-        def sanitized_bad_tags
-          white_list_sanitizer.bad_tags
-        end
-
-        def sanitized_allowed_tags
-          white_list_sanitizer.allowed_tags
-        end
-
-        def sanitized_allowed_attributes
-          white_list_sanitizer.allowed_attributes
-        end
-
-        def sanitized_allowed_css_properties
-          white_list_sanitizer.allowed_css_properties
-        end
-
-        def sanitized_allowed_css_keywords
-          white_list_sanitizer.allowed_css_keywords
-        end
-
-        def sanitized_shorthand_css_properties
-          white_list_sanitizer.shorthand_css_properties
-        end
-
-        def sanitized_allowed_protocols
-          white_list_sanitizer.allowed_protocols
-        end
-
-        def sanitized_protocol_separator=(value)
-          white_list_sanitizer.protocol_separator = value
-        end
-
-        # Gets the HTML::FullSanitizer instance used by +strip_tags+. Replace with
-        # any object that responds to +sanitize+.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.full_sanitizer = MySpecialSanitizer.new
-        #   end
-        #
-        def full_sanitizer
-          @full_sanitizer ||= HTML::FullSanitizer.new
-        end
-
-        # Gets the HTML::LinkSanitizer instance used by +strip_links+. Replace with
-        # any object that responds to +sanitize+.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.link_sanitizer = MySpecialSanitizer.new
-        #   end
-        #
-        def link_sanitizer
-          @link_sanitizer ||= HTML::LinkSanitizer.new
-        end
-
-        # Gets the HTML::WhiteListSanitizer instance used by sanitize and +sanitize_css+.
-        # Replace with any object that responds to +sanitize+.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.white_list_sanitizer = MySpecialSanitizer.new
-        #   end
-        #
-        def white_list_sanitizer
-          @white_list_sanitizer ||= HTML::WhiteListSanitizer.new
-        end
-
-        # Adds valid HTML attributes that the +sanitize+ helper checks for URIs.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.sanitized_uri_attributes = 'lowsrc', 'target'
-        #   end
-        #
-        def sanitized_uri_attributes=(attributes)
-          HTML::WhiteListSanitizer.uri_attributes.merge(attributes)
-        end
-
-        # Adds to the Set of 'bad' tags for the +sanitize+ helper.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.sanitized_bad_tags = 'embed', 'object'
-        #   end
-        #
-        def sanitized_bad_tags=(attributes)
-          HTML::WhiteListSanitizer.bad_tags.merge(attributes)
-        end
-
-        # Adds to the Set of allowed tags for the +sanitize+ helper.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.sanitized_allowed_tags = 'table', 'tr', 'td'
-        #   end
-        #
-        def sanitized_allowed_tags=(attributes)
-          HTML::WhiteListSanitizer.allowed_tags.merge(attributes)
-        end
-
-        # Adds to the Set of allowed HTML attributes for the +sanitize+ helper.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.sanitized_allowed_attributes = 'onclick', 'longdesc'
-        #   end
-        #
-        def sanitized_allowed_attributes=(attributes)
-          HTML::WhiteListSanitizer.allowed_attributes.merge(attributes)
-        end
-
-        # Adds to the Set of allowed CSS properties for the #sanitize and +sanitize_css+ helpers.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.sanitized_allowed_css_properties = 'expression'
-        #   end
-        #
-        def sanitized_allowed_css_properties=(attributes)
-          HTML::WhiteListSanitizer.allowed_css_properties.merge(attributes)
-        end
-
-        # Adds to the Set of allowed CSS keywords for the +sanitize+ and +sanitize_css+ helpers.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.sanitized_allowed_css_keywords = 'expression'
-        #   end
-        #
-        def sanitized_allowed_css_keywords=(attributes)
-          HTML::WhiteListSanitizer.allowed_css_keywords.merge(attributes)
-        end
-
-        # Adds to the Set of allowed shorthand CSS properties for the +sanitize+ and +sanitize_css+ helpers.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.sanitized_shorthand_css_properties = 'expression'
-        #   end
-        #
-        def sanitized_shorthand_css_properties=(attributes)
-          HTML::WhiteListSanitizer.shorthand_css_properties.merge(attributes)
-        end
-
-        # Adds to the Set of allowed protocols for the +sanitize+ helper.
-        #
-        #   class Application < Rails::Application
-        #     config.action_view.sanitized_allowed_protocols = 'ssh', 'feed'
-        #   end
-        #
-        def sanitized_allowed_protocols=(attributes)
-          HTML::WhiteListSanitizer.allowed_protocols.merge(attributes)
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tag_helper.rb b/actionpack/lib/action_view/helpers/tag_helper.rb
deleted file mode 100644
index 732f35643a..0000000000
--- a/actionpack/lib/action_view/helpers/tag_helper.rb
+++ /dev/null
@@ -1,176 +0,0 @@
-require 'active_support/core_ext/string/output_safety'
-require 'set'
-
-module ActionView
-  # = Action View Tag Helpers
-  module Helpers #:nodoc:
-    # Provides methods to generate HTML tags programmatically when you can't use
-    # a Builder. By default, they output XHTML compliant tags.
-    module TagHelper
-      extend ActiveSupport::Concern
-      include CaptureHelper
-
-      BOOLEAN_ATTRIBUTES = %w(disabled readonly multiple checked autobuffer
-                           autoplay controls loop selected hidden scoped async
-                           defer reversed ismap seamless muted required
-                           autofocus novalidate formnovalidate open pubdate
-                           itemscope allowfullscreen default inert sortable
-                           truespeed typemustmatch).to_set
-
-      BOOLEAN_ATTRIBUTES.merge(BOOLEAN_ATTRIBUTES.map {|attribute| attribute.to_sym })
-
-      PRE_CONTENT_STRINGS = {
-        :textarea => "\n"
-      }
-
-      # Returns an empty HTML tag of type +name+ which by default is XHTML
-      # compliant. Set +open+ to true to create an open tag compatible
-      # with HTML 4.0 and below. Add HTML attributes by passing an attributes
-      # hash to +options+. Set +escape+ to false to disable attribute value
-      # escaping.
-      #
-      # ==== Options
-      # You can use symbols or strings for the attribute names.
-      #
-      # Use +true+ with boolean attributes that can render with no value, like
-      # +disabled+ and +readonly+.
-      #
-      # HTML5 <tt>data-*</tt> attributes can be set with a single +data+ key
-      # pointing to a hash of sub-attributes.
-      #
-      # To play nicely with JavaScript conventions sub-attributes are dasherized.
-      # For example, a key +user_id+ would render as <tt>data-user-id</tt> and
-      # thus accessed as <tt>dataset.userId</tt>.
-      #
-      # Values are encoded to JSON, with the exception of strings and symbols.
-      # This may come in handy when using jQuery's HTML5-aware <tt>.data()</tt>
-      # from 1.4.3.
-      #
-      # ==== Examples
-      #   tag("br")
-      #   # => <br />
-      #
-      #   tag("br", nil, true)
-      #   # => <br>
-      #
-      #   tag("input", type: 'text', disabled: true)
-      #   # => <input type="text" disabled="disabled" />
-      #
-      #   tag("img", src: "open & shut.png")
-      #   # => <img src="open &amp; shut.png" />
-      #
-      #   tag("img", {src: "open &amp; shut.png"}, false, false)
-      #   # => <img src="open &amp; shut.png" />
-      #
-      #   tag("div", data: {name: 'Stephen', city_state: %w(Chicago IL)})
-      #   # => <div data-name="Stephen" data-city-state="[&quot;Chicago&quot;,&quot;IL&quot;]" />
-      def tag(name, options = nil, open = false, escape = true)
-        "<#{name}#{tag_options(options, escape) if options}#{open ? ">" : " />"}".html_safe
-      end
-
-      # Returns an HTML block tag of type +name+ surrounding the +content+. Add
-      # HTML attributes by passing an attributes hash to +options+.
-      # Instead of passing the content as an argument, you can also use a block
-      # in which case, you pass your +options+ as the second parameter.
-      # Set escape to false to disable attribute value escaping.
-      #
-      # ==== Options
-      # The +options+ hash is used with attributes with no value like (<tt>disabled</tt> and
-      # <tt>readonly</tt>), which you can give a value of true in the +options+ hash. You can use
-      # symbols or strings for the attribute names.
-      #
-      # ==== Examples
-      #   content_tag(:p, "Hello world!")
-      #    # => <p>Hello world!</p>
-      #   content_tag(:div, content_tag(:p, "Hello world!"), class: "strong")
-      #    # => <div class="strong"><p>Hello world!</p></div>
-      #   content_tag("select", options, multiple: true)
-      #    # => <select multiple="multiple">...options...</select>
-      #
-      #   <%= content_tag :div, class: "strong" do -%>
-      #     Hello world!
-      #   <% end -%>
-      #    # => <div class="strong">Hello world!</div>
-      def content_tag(name, content_or_options_with_block = nil, options = nil, escape = true, &block)
-        if block_given?
-          options = content_or_options_with_block if content_or_options_with_block.is_a?(Hash)
-          content_tag_string(name, capture(&block), options, escape)
-        else
-          content_tag_string(name, content_or_options_with_block, options, escape)
-        end
-      end
-
-      # Returns a CDATA section with the given +content+. CDATA sections
-      # are used to escape blocks of text containing characters which would
-      # otherwise be recognized as markup. CDATA sections begin with the string
-      # <tt><![CDATA[</tt> and end with (and may not contain) the string <tt>]]></tt>.
-      #
-      #   cdata_section("<hello world>")
-      #   # => <![CDATA[<hello world>]]>
-      #
-      #   cdata_section(File.read("hello_world.txt"))
-      #   # => <![CDATA[<hello from a text file]]>
-      #
-      #   cdata_section("hello]]>world")
-      #   # => <![CDATA[hello]]]]><![CDATA[>world]]>
-      def cdata_section(content)
-        splitted = content.gsub(']]>', ']]]]><![CDATA[>')
-        "<![CDATA[#{splitted}]]>".html_safe
-      end
-
-      # Returns an escaped version of +html+ without affecting existing escaped entities.
-      #
-      #   escape_once("1 < 2 &amp; 3")
-      #   # => "1 &lt; 2 &amp; 3"
-      #
-      #   escape_once("&lt;&lt; Accept & Checkout")
-      #   # => "&lt;&lt; Accept &amp; Checkout"
-      def escape_once(html)
-        ERB::Util.html_escape_once(html)
-      end
-
-      private
-
-        def content_tag_string(name, content, options, escape = true)
-          tag_options = tag_options(options, escape) if options
-          content     = ERB::Util.h(content) if escape
-          "<#{name}#{tag_options}>#{PRE_CONTENT_STRINGS[name.to_sym]}#{content}</#{name}>".html_safe
-        end
-
-        def tag_options(options, escape = true)
-          return if options.blank?
-          attrs = []
-          options.each_pair do |key, value|
-            if key.to_s == 'data' && value.is_a?(Hash)
-              value.each_pair do |k, v|
-                attrs << data_tag_option(k, v, escape)
-              end
-            elsif BOOLEAN_ATTRIBUTES.include?(key)
-              attrs << boolean_tag_option(key) if value
-            elsif !value.nil?
-              attrs << tag_option(key, value, escape)
-            end
-          end
-          " #{attrs.sort! * ' '}".html_safe unless attrs.empty?
-        end
-
-        def data_tag_option(key, value, escape)
-          key   = "data-#{key.to_s.dasherize}"
-          unless value.is_a?(String) || value.is_a?(Symbol) || value.is_a?(BigDecimal)
-            value = value.to_json
-          end
-          tag_option(key, value, escape)
-        end
-
-        def boolean_tag_option(key)
-          %(#{key}="#{key}")
-        end
-
-        def tag_option(key, value, escape)
-          value = value.join(" ") if value.is_a?(Array)
-          value = ERB::Util.h(value) if escape
-          %(#{key}="#{value}")
-        end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags.rb b/actionpack/lib/action_view/helpers/tags.rb
deleted file mode 100644
index a05e16979a..0000000000
--- a/actionpack/lib/action_view/helpers/tags.rb
+++ /dev/null
@@ -1,39 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags #:nodoc:
-      extend ActiveSupport::Autoload
-
-      autoload :Base
-      autoload :CheckBox
-      autoload :CollectionCheckBoxes
-      autoload :CollectionRadioButtons
-      autoload :CollectionSelect
-      autoload :ColorField
-      autoload :DateField
-      autoload :DateSelect
-      autoload :DatetimeField
-      autoload :DatetimeLocalField
-      autoload :DatetimeSelect
-      autoload :EmailField
-      autoload :FileField
-      autoload :GroupedCollectionSelect
-      autoload :HiddenField
-      autoload :Label
-      autoload :MonthField
-      autoload :NumberField
-      autoload :PasswordField
-      autoload :RadioButton
-      autoload :RangeField
-      autoload :SearchField
-      autoload :Select
-      autoload :TelField
-      autoload :TextArea
-      autoload :TextField
-      autoload :TimeField
-      autoload :TimeSelect
-      autoload :TimeZoneSelect
-      autoload :UrlField
-      autoload :WeekField
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/base.rb b/actionpack/lib/action_view/helpers/tags/base.rb
deleted file mode 100644
index 3fe3f4e9df..0000000000
--- a/actionpack/lib/action_view/helpers/tags/base.rb
+++ /dev/null
@@ -1,147 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class Base # :nodoc:
-        include Helpers::ActiveModelInstanceTag, Helpers::TagHelper, Helpers::FormTagHelper
-        include FormOptionsHelper
-
-        attr_reader :object
-
-        def initialize(object_name, method_name, template_object, options = {})
-          @object_name, @method_name = object_name.to_s.dup, method_name.to_s.dup
-          @template_object = template_object
-
-          @object_name.sub!(/\[\]$/,"") || @object_name.sub!(/\[\]\]$/,"]")
-          @object = retrieve_object(options.delete(:object))
-          @options = options
-          @auto_index = retrieve_autoindex(Regexp.last_match.pre_match) if Regexp.last_match
-        end
-
-        # This is what child classes implement.
-        def render
-          raise NotImplementedError, "Subclasses must implement a render method"
-        end
-
-        private
-
-        def value(object)
-          object.send @method_name if object
-        end
-
-        def value_before_type_cast(object)
-          unless object.nil?
-            method_before_type_cast = @method_name + "_before_type_cast"
-
-            object.respond_to?(method_before_type_cast) ?
-              object.send(method_before_type_cast) :
-              value(object)
-          end
-        end
-
-        def retrieve_object(object)
-          if object
-            object
-          elsif @template_object.instance_variable_defined?("@#{@object_name}")
-            @template_object.instance_variable_get("@#{@object_name}")
-          end
-        rescue NameError
-          # As @object_name may contain the nested syntax (item[subobject]) we need to fallback to nil.
-          nil
-        end
-
-        def retrieve_autoindex(pre_match)
-          object = self.object || @template_object.instance_variable_get("@#{pre_match}")
-          if object && object.respond_to?(:to_param)
-            object.to_param
-          else
-            raise ArgumentError, "object[] naming but object param and @object var don't exist or don't respond to to_param: #{object.inspect}"
-          end
-        end
-
-        def add_default_name_and_id_for_value(tag_value, options)
-          if tag_value.nil?
-            add_default_name_and_id(options)
-          else
-            specified_id = options["id"]
-            add_default_name_and_id(options)
-
-            if specified_id.blank? && options["id"].present?
-              options["id"] += "_#{sanitized_value(tag_value)}"
-            end
-          end
-        end
-
-        def add_default_name_and_id(options)
-          if options.has_key?("index")
-            options["name"] ||= options.fetch("name"){ tag_name_with_index(options["index"], options["multiple"]) }
-            options["id"] = options.fetch("id"){ tag_id_with_index(options["index"]) }
-            options.delete("index")
-          elsif defined?(@auto_index)
-            options["name"] ||= options.fetch("name"){ tag_name_with_index(@auto_index, options["multiple"]) }
-            options["id"] = options.fetch("id"){ tag_id_with_index(@auto_index) }
-          else
-            options["name"] ||= options.fetch("name"){ tag_name(options["multiple"]) }
-            options["id"] = options.fetch("id"){ tag_id }
-          end
-
-          options["id"] = [options.delete('namespace'), options["id"]].compact.join("_").presence
-        end
-
-        def tag_name(multiple = false)
-          "#{@object_name}[#{sanitized_method_name}]#{"[]" if multiple}"
-        end
-
-        def tag_name_with_index(index, multiple = false)
-          "#{@object_name}[#{index}][#{sanitized_method_name}]#{"[]" if multiple}"
-        end
-
-        def tag_id
-          "#{sanitized_object_name}_#{sanitized_method_name}"
-        end
-
-        def tag_id_with_index(index)
-          "#{sanitized_object_name}_#{index}_#{sanitized_method_name}"
-        end
-
-        def sanitized_object_name
-          @sanitized_object_name ||= @object_name.gsub(/\]\[|[^-a-zA-Z0-9:.]/, "_").sub(/_$/, "")
-        end
-
-        def sanitized_method_name
-          @sanitized_method_name ||= @method_name.sub(/\?$/,"")
-        end
-
-        def sanitized_value(value)
-          value.to_s.gsub(/\s/, "_").gsub(/[^-\w]/, "").downcase
-        end
-
-        def select_content_tag(option_tags, options, html_options)
-          html_options = html_options.stringify_keys
-          add_default_name_and_id(html_options)
-          options[:include_blank] ||= true unless options[:prompt] || select_not_required?(html_options)
-          select = content_tag("select", add_options(option_tags, options, value(object)), html_options)
-
-          if html_options["multiple"] && options.fetch(:include_hidden, true)
-            tag("input", :disabled => html_options["disabled"], :name => html_options["name"], :type => "hidden", :value => "") + select
-          else
-            select
-          end
-        end
-
-        def select_not_required?(html_options)
-          !html_options["required"] || html_options["multiple"] || html_options["size"].to_i > 1
-        end
-
-        def add_options(option_tags, options, value = nil)
-          if options[:include_blank]
-            option_tags = content_tag_string('option', options[:include_blank].kind_of?(String) ? options[:include_blank] : nil, :value => '') + "\n" + option_tags
-          end
-          if value.blank? && options[:prompt]
-            option_tags = content_tag_string('option', prompt_text(options[:prompt]), :value => '') + "\n" + option_tags
-          end
-          option_tags
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/check_box.rb b/actionpack/lib/action_view/helpers/tags/check_box.rb
deleted file mode 100644
index 6d51f2629a..0000000000
--- a/actionpack/lib/action_view/helpers/tags/check_box.rb
+++ /dev/null
@@ -1,64 +0,0 @@
-require 'action_view/helpers/tags/checkable'
-
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class CheckBox < Base #:nodoc:
-        include Checkable
-
-        def initialize(object_name, method_name, template_object, checked_value, unchecked_value, options)
-          @checked_value   = checked_value
-          @unchecked_value = unchecked_value
-          super(object_name, method_name, template_object, options)
-        end
-
-        def render
-          options = @options.stringify_keys
-          options["type"]     = "checkbox"
-          options["value"]    = @checked_value
-          options["checked"] = "checked" if input_checked?(object, options)
-
-          if options["multiple"]
-            add_default_name_and_id_for_value(@checked_value, options)
-            options.delete("multiple")
-          else
-            add_default_name_and_id(options)
-          end
-
-          include_hidden = options.delete("include_hidden") { true }
-          checkbox = tag("input", options)
-
-          if include_hidden
-            hidden = hidden_field_for_checkbox(options)
-            hidden + checkbox
-          else
-            checkbox
-          end
-        end
-
-        private
-
-        def checked?(value)
-          case value
-          when TrueClass, FalseClass
-            value == !!@checked_value
-          when NilClass
-            false
-          when String
-            value == @checked_value
-          else
-            if value.respond_to?(:include?)
-              value.include?(@checked_value)
-            else
-              value.to_i == @checked_value.to_i
-            end
-          end
-        end
-
-        def hidden_field_for_checkbox(options)
-          @unchecked_value ? tag("input", options.slice("name", "disabled", "form").merge!("type" => "hidden", "value" => @unchecked_value)) : "".html_safe
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/checkable.rb b/actionpack/lib/action_view/helpers/tags/checkable.rb
deleted file mode 100644
index 052e9df662..0000000000
--- a/actionpack/lib/action_view/helpers/tags/checkable.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      module Checkable # :nodoc:
-        def input_checked?(object, options)
-          if options.has_key?("checked")
-            checked = options.delete "checked"
-            checked == true || checked == "checked"
-          else
-            checked?(value(object))
-          end
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/collection_check_boxes.rb b/actionpack/lib/action_view/helpers/tags/collection_check_boxes.rb
deleted file mode 100644
index 52006d856b..0000000000
--- a/actionpack/lib/action_view/helpers/tags/collection_check_boxes.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-require 'action_view/helpers/tags/collection_helpers'
-
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class CollectionCheckBoxes < Base # :nodoc:
-        include CollectionHelpers
-
-        class CheckBoxBuilder < Builder # :nodoc:
-          def check_box(extra_html_options={})
-            html_options = extra_html_options.merge(@input_html_options)
-            @template_object.check_box(@object_name, @method_name, html_options, @value, nil)
-          end
-        end
-
-        def render(&block)
-          rendered_collection = render_collection do |item, value, text, default_html_options|
-            default_html_options[:multiple] = true
-            builder = instantiate_builder(CheckBoxBuilder, item, value, text, default_html_options)
-
-            if block_given?
-              @template_object.capture(builder, &block)
-            else
-              render_component(builder)
-            end
-          end
-
-          # Append a hidden field to make sure something will be sent back to the
-          # server if all check boxes are unchecked.
-          hidden = @template_object.hidden_field_tag("#{tag_name}[]", "", :id => nil)
-
-          rendered_collection + hidden
-        end
-
-        private
-
-        def render_component(builder)
-          builder.check_box + builder.label
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/collection_helpers.rb b/actionpack/lib/action_view/helpers/tags/collection_helpers.rb
deleted file mode 100644
index 388dcf1f13..0000000000
--- a/actionpack/lib/action_view/helpers/tags/collection_helpers.rb
+++ /dev/null
@@ -1,84 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      module CollectionHelpers # :nodoc:
-        class Builder # :nodoc:
-          attr_reader :object, :text, :value
-
-          def initialize(template_object, object_name, method_name, object,
-                         sanitized_attribute_name, text, value, input_html_options)
-            @template_object = template_object
-            @object_name = object_name
-            @method_name = method_name
-            @object = object
-            @sanitized_attribute_name = sanitized_attribute_name
-            @text = text
-            @value = value
-            @input_html_options = input_html_options
-          end
-
-          def label(label_html_options={}, &block)
-            @template_object.label(@object_name, @sanitized_attribute_name, @text, label_html_options, &block)
-          end
-        end
-
-        def initialize(object_name, method_name, template_object, collection, value_method, text_method, options, html_options)
-          @collection   = collection
-          @value_method = value_method
-          @text_method  = text_method
-          @html_options = html_options
-
-          super(object_name, method_name, template_object, options)
-        end
-
-        private
-
-        def instantiate_builder(builder_class, item, value, text, html_options)
-          builder_class.new(@template_object, @object_name, @method_name, item,
-                            sanitize_attribute_name(value), text, value, html_options)
-        end
-
-        # Generate default options for collection helpers, such as :checked and
-        # :disabled.
-        def default_html_options_for_collection(item, value) #:nodoc:
-          html_options = @html_options.dup
-
-          [:checked, :selected, :disabled].each do |option|
-            current_value = @options[option]
-            next if current_value.nil?
-
-            accept = if current_value.respond_to?(:call)
-              current_value.call(item)
-            else
-              Array(current_value).map(&:to_s).include?(value.to_s)
-            end
-
-            if accept
-              html_options[option] = true
-            elsif option == :checked
-              html_options[option] = false
-            end
-          end
-
-          html_options[:object] = @object
-          html_options
-        end
-
-        def sanitize_attribute_name(value) #:nodoc:
-          "#{sanitized_method_name}_#{sanitized_value(value)}"
-        end
-
-        def render_collection #:nodoc:
-          @collection.map do |item|
-            value = value_for_collection(item, @value_method)
-            text  = value_for_collection(item, @text_method)
-            default_html_options = default_html_options_for_collection(item, value)
-            additional_html_options = option_html_attributes(item)
-
-            yield item, value, text, default_html_options.merge(additional_html_options)
-          end.join.html_safe
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/collection_radio_buttons.rb b/actionpack/lib/action_view/helpers/tags/collection_radio_buttons.rb
deleted file mode 100644
index 20be34c1f2..0000000000
--- a/actionpack/lib/action_view/helpers/tags/collection_radio_buttons.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-require 'action_view/helpers/tags/collection_helpers'
-
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class CollectionRadioButtons < Base # :nodoc:
-        include CollectionHelpers
-
-        class RadioButtonBuilder < Builder # :nodoc:
-          def radio_button(extra_html_options={})
-            html_options = extra_html_options.merge(@input_html_options)
-            @template_object.radio_button(@object_name, @method_name, @value, html_options)
-          end
-        end
-
-        def render(&block)
-          render_collection do |item, value, text, default_html_options|
-            builder = instantiate_builder(RadioButtonBuilder, item, value, text, default_html_options)
-
-            if block_given?
-              @template_object.capture(builder, &block)
-            else
-              render_component(builder)
-            end
-          end
-        end
-
-        private
-
-          def render_component(builder)
-            builder.radio_button + builder.label
-          end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/collection_select.rb b/actionpack/lib/action_view/helpers/tags/collection_select.rb
deleted file mode 100644
index 6cb2b2e0d3..0000000000
--- a/actionpack/lib/action_view/helpers/tags/collection_select.rb
+++ /dev/null
@@ -1,28 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class CollectionSelect < Base #:nodoc:
-        def initialize(object_name, method_name, template_object, collection, value_method, text_method, options, html_options)
-          @collection   = collection
-          @value_method = value_method
-          @text_method  = text_method
-          @html_options = html_options
-
-          super(object_name, method_name, template_object, options)
-        end
-
-        def render
-          option_tags_options = {
-            :selected => @options.fetch(:selected) { value(@object) },
-            :disabled => @options[:disabled]
-          }
-
-          select_content_tag(
-            options_from_collection_for_select(@collection, @value_method, @text_method, option_tags_options),
-            @options, @html_options
-          )
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/color_field.rb b/actionpack/lib/action_view/helpers/tags/color_field.rb
deleted file mode 100644
index d8fc797035..0000000000
--- a/actionpack/lib/action_view/helpers/tags/color_field.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class ColorField < TextField # :nodoc:
-        def render
-          options = @options.stringify_keys
-          options["value"] = @options.fetch("value") { validate_color_string(value(object)) }
-          @options = options
-          super
-        end
-
-        private
-
-          def validate_color_string(string)
-            regex = /#[0-9a-fA-F]{6}/
-            if regex.match(string)
-              string.downcase
-            else
-              "#000000"
-            end
-          end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/date_field.rb b/actionpack/lib/action_view/helpers/tags/date_field.rb
deleted file mode 100644
index c22be0db29..0000000000
--- a/actionpack/lib/action_view/helpers/tags/date_field.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class DateField < DatetimeField # :nodoc:
-        private
-
-          def format_date(value)
-            value.try(:strftime, "%Y-%m-%d")
-          end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/date_select.rb b/actionpack/lib/action_view/helpers/tags/date_select.rb
deleted file mode 100644
index 0c4ac40070..0000000000
--- a/actionpack/lib/action_view/helpers/tags/date_select.rb
+++ /dev/null
@@ -1,72 +0,0 @@
-require 'active_support/core_ext/time/calculations'
-
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class DateSelect < Base # :nodoc:
-        def initialize(object_name, method_name, template_object, options, html_options)
-          @html_options = html_options
-
-          super(object_name, method_name, template_object, options)
-        end
-
-        def render
-          error_wrapping(datetime_selector(@options, @html_options).send("select_#{select_type}").html_safe)
-        end
-
-        class << self
-          def select_type
-            @select_type ||= self.name.split("::").last.sub("Select", "").downcase
-          end
-        end
-
-        private
-
-        def select_type
-          self.class.select_type
-        end
-
-        def datetime_selector(options, html_options)
-          datetime = options.fetch(:selected) { value(object) || default_datetime(options) }
-          @auto_index ||= nil
-
-          options = options.dup
-          options[:field_name]           = @method_name
-          options[:include_position]     = true
-          options[:prefix]             ||= @object_name
-          options[:index]                = @auto_index if @auto_index && !options.has_key?(:index)
-
-          DateTimeSelector.new(datetime, options, html_options)
-        end
-
-        def default_datetime(options)
-          return if options[:include_blank] || options[:prompt]
-
-          case options[:default]
-          when nil
-            Time.current
-          when Date, Time
-            options[:default]
-          else
-            default = options[:default].dup
-
-            # Rename :minute and :second to :min and :sec
-            default[:min] ||= default[:minute]
-            default[:sec] ||= default[:second]
-
-            time = Time.current
-
-            [:year, :month, :day, :hour, :min, :sec].each do |key|
-              default[key] ||= time.send(key)
-            end
-
-            Time.utc(
-              default[:year], default[:month], default[:day],
-              default[:hour], default[:min], default[:sec]
-            )
-          end
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/datetime_field.rb b/actionpack/lib/action_view/helpers/tags/datetime_field.rb
deleted file mode 100644
index 9a2279c611..0000000000
--- a/actionpack/lib/action_view/helpers/tags/datetime_field.rb
+++ /dev/null
@@ -1,22 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class DatetimeField < TextField # :nodoc:
-        def render
-          options = @options.stringify_keys
-          options["value"] = @options.fetch("value") { format_date(value(object)) }
-          options["min"] = format_date(options["min"])
-          options["max"] = format_date(options["max"])
-          @options = options
-          super
-        end
-
-        private
-
-          def format_date(value)
-            value.try(:strftime, "%Y-%m-%dT%T.%L%z")
-          end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/datetime_local_field.rb b/actionpack/lib/action_view/helpers/tags/datetime_local_field.rb
deleted file mode 100644
index b4a74185d1..0000000000
--- a/actionpack/lib/action_view/helpers/tags/datetime_local_field.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class DatetimeLocalField < DatetimeField # :nodoc:
-        class << self
-          def field_type
-            @field_type ||= "datetime-local"
-          end
-        end
-
-        private
-
-          def format_date(value)
-            value.try(:strftime, "%Y-%m-%dT%T")
-          end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/datetime_select.rb b/actionpack/lib/action_view/helpers/tags/datetime_select.rb
deleted file mode 100644
index 563de1840e..0000000000
--- a/actionpack/lib/action_view/helpers/tags/datetime_select.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class DatetimeSelect < DateSelect # :nodoc:
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/email_field.rb b/actionpack/lib/action_view/helpers/tags/email_field.rb
deleted file mode 100644
index 7ce3ccb9bf..0000000000
--- a/actionpack/lib/action_view/helpers/tags/email_field.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class EmailField < TextField # :nodoc:
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/file_field.rb b/actionpack/lib/action_view/helpers/tags/file_field.rb
deleted file mode 100644
index 476b820d84..0000000000
--- a/actionpack/lib/action_view/helpers/tags/file_field.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class FileField < TextField # :nodoc:
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/grouped_collection_select.rb b/actionpack/lib/action_view/helpers/tags/grouped_collection_select.rb
deleted file mode 100644
index 2ed4712dac..0000000000
--- a/actionpack/lib/action_view/helpers/tags/grouped_collection_select.rb
+++ /dev/null
@@ -1,29 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class GroupedCollectionSelect < Base # :nodoc:
-        def initialize(object_name, method_name, template_object, collection, group_method, group_label_method, option_key_method, option_value_method, options, html_options)
-          @collection          = collection
-          @group_method        = group_method
-          @group_label_method  = group_label_method
-          @option_key_method   = option_key_method
-          @option_value_method = option_value_method
-          @html_options        = html_options
-
-          super(object_name, method_name, template_object, options)
-        end
-
-        def render
-          option_tags_options = {
-            :selected => @options.fetch(:selected) { value(@object) },
-            :disabled => @options[:disabled]
-          }
-
-          select_content_tag(
-            option_groups_from_collection_for_select(@collection, @group_method, @group_label_method, @option_key_method, @option_value_method, option_tags_options), @options, @html_options
-          )
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/hidden_field.rb b/actionpack/lib/action_view/helpers/tags/hidden_field.rb
deleted file mode 100644
index c3757c2461..0000000000
--- a/actionpack/lib/action_view/helpers/tags/hidden_field.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class HiddenField < TextField # :nodoc:
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/label.rb b/actionpack/lib/action_view/helpers/tags/label.rb
deleted file mode 100644
index 35d3ba8434..0000000000
--- a/actionpack/lib/action_view/helpers/tags/label.rb
+++ /dev/null
@@ -1,65 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class Label < Base # :nodoc:
-        def initialize(object_name, method_name, template_object, content_or_options = nil, options = nil)
-          options ||= {}
-
-          content_is_options = content_or_options.is_a?(Hash)
-          if content_is_options
-            options.merge! content_or_options
-            @content = nil
-          else
-            @content = content_or_options
-          end
-
-          super(object_name, method_name, template_object, options)
-        end
-
-        def render(&block)
-          options = @options.stringify_keys
-          tag_value = options.delete("value")
-          name_and_id = options.dup
-
-          if name_and_id["for"]
-            name_and_id["id"] = name_and_id["for"]
-          else
-            name_and_id.delete("id")
-          end
-
-          add_default_name_and_id_for_value(tag_value, name_and_id)
-          options.delete("index")
-          options.delete("namespace")
-          options["for"] = name_and_id["id"] unless options.key?("for")
-
-          if block_given?
-            content = @template_object.capture(&block)
-          else
-            content = if @content.blank?
-                        @object_name.gsub!(/\[(.*)_attributes\]\[\d\]/, '.\1')
-                        method_and_value = tag_value.present? ? "#{@method_name}.#{tag_value}" : @method_name
-
-                        if object.respond_to?(:to_model)
-                          key = object.class.model_name.i18n_key
-                          i18n_default = ["#{key}.#{method_and_value}".to_sym, ""]
-                        end
-
-                        i18n_default ||= ""
-                        I18n.t("#{@object_name}.#{method_and_value}", :default => i18n_default, :scope => "helpers.label").presence
-                      else
-                        @content.to_s
-                      end
-
-            content ||= if object && object.class.respond_to?(:human_attribute_name)
-                          object.class.human_attribute_name(@method_name)
-                        end
-
-            content ||= @method_name.humanize
-          end
-
-          label_tag(name_and_id["id"], content, options)
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/month_field.rb b/actionpack/lib/action_view/helpers/tags/month_field.rb
deleted file mode 100644
index 4c0fb846ee..0000000000
--- a/actionpack/lib/action_view/helpers/tags/month_field.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class MonthField < DatetimeField # :nodoc:
-        private
-
-          def format_date(value)
-            value.try(:strftime, "%Y-%m")
-          end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/number_field.rb b/actionpack/lib/action_view/helpers/tags/number_field.rb
deleted file mode 100644
index 4f95b1b4de..0000000000
--- a/actionpack/lib/action_view/helpers/tags/number_field.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class NumberField < TextField # :nodoc:
-        def render
-          options = @options.stringify_keys
-
-          if range = options.delete("in") || options.delete("within")
-            options.update("min" => range.min, "max" => range.max)
-          end
-
-          @options = options
-          super
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/password_field.rb b/actionpack/lib/action_view/helpers/tags/password_field.rb
deleted file mode 100644
index 6099fa6f19..0000000000
--- a/actionpack/lib/action_view/helpers/tags/password_field.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class PasswordField < TextField # :nodoc:
-        def render
-          @options = {:value => nil}.merge!(@options)
-          super
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/radio_button.rb b/actionpack/lib/action_view/helpers/tags/radio_button.rb
deleted file mode 100644
index 4849c537a5..0000000000
--- a/actionpack/lib/action_view/helpers/tags/radio_button.rb
+++ /dev/null
@@ -1,31 +0,0 @@
-require 'action_view/helpers/tags/checkable'
-
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class RadioButton < Base # :nodoc:
-        include Checkable
-
-        def initialize(object_name, method_name, template_object, tag_value, options)
-          @tag_value = tag_value
-          super(object_name, method_name, template_object, options)
-        end
-
-        def render
-          options = @options.stringify_keys
-          options["type"]     = "radio"
-          options["value"]    = @tag_value
-          options["checked"] = "checked" if input_checked?(object, options)
-          add_default_name_and_id_for_value(@tag_value, options)
-          tag("input", options)
-        end
-
-        private
-
-        def checked?(value)
-          value.to_s == @tag_value.to_s
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/range_field.rb b/actionpack/lib/action_view/helpers/tags/range_field.rb
deleted file mode 100644
index f98ae88043..0000000000
--- a/actionpack/lib/action_view/helpers/tags/range_field.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class RangeField < NumberField # :nodoc:
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/search_field.rb b/actionpack/lib/action_view/helpers/tags/search_field.rb
deleted file mode 100644
index c09e2f1be7..0000000000
--- a/actionpack/lib/action_view/helpers/tags/search_field.rb
+++ /dev/null
@@ -1,24 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class SearchField < TextField # :nodoc:
-        def render
-          options = @options.stringify_keys
-
-          if options["autosave"]
-            if options["autosave"] == true
-              options["autosave"] = request.host.split(".").reverse.join(".")
-            end
-            options["results"] ||= 10
-          end
-
-          if options["onsearch"]
-            options["incremental"] = true unless options.has_key?("incremental")
-          end
-
-          super
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/select.rb b/actionpack/lib/action_view/helpers/tags/select.rb
deleted file mode 100644
index d64e2f68ef..0000000000
--- a/actionpack/lib/action_view/helpers/tags/select.rb
+++ /dev/null
@@ -1,40 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class Select < Base # :nodoc:
-        def initialize(object_name, method_name, template_object, choices, options, html_options)
-          @choices = choices
-          @choices = @choices.to_a if @choices.is_a?(Range)
-          @html_options = html_options
-
-          super(object_name, method_name, template_object, options)
-        end
-
-        def render
-          option_tags_options = {
-            :selected => @options.fetch(:selected) { value(@object) },
-            :disabled => @options[:disabled]
-          }
-
-          option_tags = if grouped_choices?
-            grouped_options_for_select(@choices, option_tags_options)
-          else
-            options_for_select(@choices, option_tags_options)
-          end
-
-          select_content_tag(option_tags, @options, @html_options)
-        end
-
-        private
-
-        # Grouped choices look like this:
-        #
-        #   [nil, []]
-        #   { nil => [] }
-        def grouped_choices?
-          !@choices.empty? && @choices.first.respond_to?(:last) && Array === @choices.first.last
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/tel_field.rb b/actionpack/lib/action_view/helpers/tags/tel_field.rb
deleted file mode 100644
index 987bb9e67a..0000000000
--- a/actionpack/lib/action_view/helpers/tags/tel_field.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class TelField < TextField # :nodoc:
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/text_area.rb b/actionpack/lib/action_view/helpers/tags/text_area.rb
deleted file mode 100644
index c81156c0c8..0000000000
--- a/actionpack/lib/action_view/helpers/tags/text_area.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class TextArea < Base # :nodoc:
-        def render
-          options = @options.stringify_keys
-          add_default_name_and_id(options)
-
-          if size = options.delete("size")
-            options["cols"], options["rows"] = size.split("x") if size.respond_to?(:split)
-          end
-
-          content_tag("textarea", options.delete('value') || value_before_type_cast(object), options)
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/text_field.rb b/actionpack/lib/action_view/helpers/tags/text_field.rb
deleted file mode 100644
index baa5ff768e..0000000000
--- a/actionpack/lib/action_view/helpers/tags/text_field.rb
+++ /dev/null
@@ -1,29 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class TextField < Base # :nodoc:
-        def render
-          options = @options.stringify_keys
-          options["size"] = options["maxlength"] unless options.key?("size")
-          options["type"]  ||= field_type
-          options["value"] = options.fetch("value"){ value_before_type_cast(object) } unless field_type == "file"
-          options["value"] &&= ERB::Util.html_escape(options["value"])
-          add_default_name_and_id(options)
-          tag("input", options)
-        end
-
-        class << self
-          def field_type
-            @field_type ||= self.name.split("::").last.sub("Field", "").downcase
-          end
-        end
-
-        private
-
-        def field_type
-          self.class.field_type
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/time_field.rb b/actionpack/lib/action_view/helpers/tags/time_field.rb
deleted file mode 100644
index 0e90a3aed7..0000000000
--- a/actionpack/lib/action_view/helpers/tags/time_field.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class TimeField < DatetimeField # :nodoc:
-        private
-
-          def format_date(value)
-            value.try(:strftime, "%T.%L")
-          end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/time_select.rb b/actionpack/lib/action_view/helpers/tags/time_select.rb
deleted file mode 100644
index 0b06311d25..0000000000
--- a/actionpack/lib/action_view/helpers/tags/time_select.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class TimeSelect < DateSelect # :nodoc:
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/time_zone_select.rb b/actionpack/lib/action_view/helpers/tags/time_zone_select.rb
deleted file mode 100644
index 80d165ec7e..0000000000
--- a/actionpack/lib/action_view/helpers/tags/time_zone_select.rb
+++ /dev/null
@@ -1,20 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class TimeZoneSelect < Base # :nodoc:
-        def initialize(object_name, method_name, template_object, priority_zones, options, html_options)
-          @priority_zones = priority_zones
-          @html_options   = html_options
-
-          super(object_name, method_name, template_object, options)
-        end
-
-        def render
-          select_content_tag(
-            time_zone_options_for_select(value(@object) || @options[:default], @priority_zones, @options[:model] || ActiveSupport::TimeZone), @options, @html_options
-          )
-        end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/url_field.rb b/actionpack/lib/action_view/helpers/tags/url_field.rb
deleted file mode 100644
index d76340178d..0000000000
--- a/actionpack/lib/action_view/helpers/tags/url_field.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class UrlField < TextField # :nodoc:
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/tags/week_field.rb b/actionpack/lib/action_view/helpers/tags/week_field.rb
deleted file mode 100644
index 5b3d0494e9..0000000000
--- a/actionpack/lib/action_view/helpers/tags/week_field.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-module ActionView
-  module Helpers
-    module Tags # :nodoc:
-      class WeekField < DatetimeField # :nodoc:
-        private
-
-          def format_date(value)
-            value.try(:strftime, "%Y-W%W")
-          end
-      end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/text_helper.rb b/actionpack/lib/action_view/helpers/text_helper.rb
deleted file mode 100644
index 147f9fd8ed..0000000000
--- a/actionpack/lib/action_view/helpers/text_helper.rb
+++ /dev/null
@@ -1,442 +0,0 @@
-require 'active_support/core_ext/string/filters'
-require 'active_support/core_ext/array/extract_options'
-
-module ActionView
-  # = Action View Text Helpers
-  module Helpers #:nodoc:
-    # The TextHelper module provides a set of methods for filtering, formatting
-    # and transforming strings, which can reduce the amount of inline Ruby code in
-    # your views. These helper methods extend Action View making them callable
-    # within your template files.
-    #
-    # ==== Sanitization
-    #
-    # Most text helpers by default sanitize the given content, but do not escape it.
-    # This means HTML tags will appear in the page but all malicious code will be removed.
-    # Let's look at some examples using the +simple_format+ method:
-    #
-    #   simple_format('<a href="http://example.com/">Example</a>')
-    #   # => "<p><a href=\"http://example.com/\">Example</a></p>"
-    #
-    #   simple_format('<a href="javascript:alert(\'no!\')">Example</a>')
-    #   # => "<p><a>Example</a></p>"
-    #
-    # If you want to escape all content, you should invoke the +h+ method before
-    # calling the text helper.
-    #
-    #   simple_format h('<a href="http://example.com/">Example</a>')
-    #   # => "<p>&lt;a href=\"http://example.com/\"&gt;Example&lt;/a&gt;</p>"
-    module TextHelper
-      extend ActiveSupport::Concern
-
-      include SanitizeHelper
-      include TagHelper
-      # The preferred method of outputting text in your views is to use the
-      # <%= "text" %> eRuby syntax. The regular _puts_ and _print_ methods
-      # do not operate as expected in an eRuby code block. If you absolutely must
-      # output text within a non-output code block (i.e., <% %>), you can use the concat method.
-      #
-      #   <%
-      #       concat "hello"
-      #       # is the equivalent of <%= "hello" %>
-      #
-      #       if logged_in
-      #         concat "Logged in!"
-      #       else
-      #         concat link_to('login', action: :login)
-      #       end
-      #       # will either display "Logged in!" or a login link
-      #   %>
-      def concat(string)
-        output_buffer << string
-      end
-
-      def safe_concat(string)
-        output_buffer.respond_to?(:safe_concat) ? output_buffer.safe_concat(string) : concat(string)
-      end
-
-      # Truncates a given +text+ after a given <tt>:length</tt> if +text+ is longer than <tt>:length</tt>
-      # (defaults to 30). The last characters will be replaced with the <tt>:omission</tt> (defaults to "...")
-      # for a total length not exceeding <tt>:length</tt>.
-      #
-      # Pass a <tt>:separator</tt> to truncate +text+ at a natural break.
-      #
-      # Pass a block if you want to show extra content when the text is truncated.
-      #
-      # The result is marked as HTML-safe, but it is escaped by default, unless <tt>:escape</tt> is
-      # +false+. Care should be taken if +text+ contains HTML tags or entities, because truncation
-      # may produce invalid HTML (such as unbalanced or incomplete tags).
-      #
-      #   truncate("Once upon a time in a world far far away")
-      #   # => "Once upon a time in a world..."
-      #
-      #   truncate("Once upon a time in a world far far away", length: 17)
-      #   # => "Once upon a ti..."
-      #
-      #   truncate("Once upon a time in a world far far away", length: 17, separator: ' ')
-      #   # => "Once upon a..."
-      #
-      #   truncate("And they found that many people were sleeping better.", length: 25, omission: '... (continued)')
-      #   # => "And they f... (continued)"
-      #
-      #   truncate("<p>Once upon a time in a world far far away</p>")
-      #   # => "<p>Once upon a time in a wo..."
-      #
-      #   truncate("Once upon a time in a world far far away") { link_to "Continue", "#" }
-      #   # => "Once upon a time in a wo...<a href="#">Continue</a>"
-      def truncate(text, options = {}, &block)
-        if text
-          length  = options.fetch(:length, 30)
-
-          content = text.truncate(length, options)
-          content = options[:escape] == false ? content.html_safe : ERB::Util.html_escape(content)
-          content << capture(&block) if block_given? && text.length > length
-          content
-        end
-      end
-
-      # Highlights one or more +phrases+ everywhere in +text+ by inserting it into
-      # a <tt>:highlighter</tt> string. The highlighter can be specialized by passing <tt>:highlighter</tt>
-      # as a single-quoted string with <tt>\1</tt> where the phrase is to be inserted (defaults to
-      # '<mark>\1</mark>')
-      #
-      #   highlight('You searched for: rails', 'rails')
-      #   # => You searched for: <mark>rails</mark>
-      #
-      #   highlight('You searched for: ruby, rails, dhh', 'actionpack')
-      #   # => You searched for: ruby, rails, dhh
-      #
-      #   highlight('You searched for: rails', ['for', 'rails'], highlighter: '<em>\1</em>')
-      #   # => You searched <em>for</em>: <em>rails</em>
-      #
-      #   highlight('You searched for: rails', 'rails', highlighter: '<a href="search?q=\1">\1</a>')
-      #   # => You searched for: <a href="search?q=rails">rails</a>
-      def highlight(text, phrases, options = {})
-        text = sanitize(text) if options.fetch(:sanitize, true)
-
-        if text.blank? || phrases.blank?
-          text
-        else
-          highlighter = options.fetch(:highlighter, '<mark>\1</mark>')
-          match = Array(phrases).map { |p| Regexp.escape(p) }.join('|')
-          text.gsub(/(#{match})(?![^<]*?>)/i, highlighter)
-        end.html_safe
-      end
-
-      # Extracts an excerpt from +text+ that matches the first instance of +phrase+.
-      # The <tt>:radius</tt> option expands the excerpt on each side of the first occurrence of +phrase+ by the number of characters
-      # defined in <tt>:radius</tt> (which defaults to 100). If the excerpt radius overflows the beginning or end of the +text+,
-      # then the <tt>:omission</tt> option (which defaults to "...") will be prepended/appended accordingly. Use the
-      # <tt>:separator</tt> option to choose the delimitation. The resulting string will be stripped in any case. If the +phrase+
-      # isn't found, nil is returned.
-      #
-      #   excerpt('This is an example', 'an', radius: 5)
-      #   # => ...s is an exam...
-      #
-      #   excerpt('This is an example', 'is', radius: 5)
-      #   # => This is a...
-      #
-      #   excerpt('This is an example', 'is')
-      #   # => This is an example
-      #
-      #   excerpt('This next thing is an example', 'ex', radius: 2)
-      #   # => ...next...
-      #
-      #   excerpt('This is also an example', 'an', radius: 8, omission: '<chop> ')
-      #   # => <chop> is also an example
-      #
-      #   excerpt('This is a very beautiful morning', 'very', separator: ' ', radius: 1)
-      #   # => ...a very beautiful...
-      def excerpt(text, phrase, options = {})
-        return unless text && phrase
-
-        separator = options.fetch(:separator, "")
-        phrase    = Regexp.escape(phrase)
-        regex     = /#{phrase}/i
-
-        return unless matches = text.match(regex)
-        phrase = matches[0]
-
-        text.split(separator).each do |value|
-          if value.match(regex)
-            regex = phrase = value
-            break
-          end
-        end
-
-        first_part, second_part = text.split(regex, 2)
-
-        prefix, first_part   = cut_excerpt_part(:first, first_part, separator, options)
-        postfix, second_part = cut_excerpt_part(:second, second_part, separator, options)
-
-        prefix + (first_part + separator + phrase + separator + second_part).strip + postfix
-      end
-
-      # Attempts to pluralize the +singular+ word unless +count+ is 1. If
-      # +plural+ is supplied, it will use that when count is > 1, otherwise
-      # it will use the Inflector to determine the plural form.
-      #
-      #   pluralize(1, 'person')
-      #   # => 1 person
-      #
-      #   pluralize(2, 'person')
-      #   # => 2 people
-      #
-      #   pluralize(3, 'person', 'users')
-      #   # => 3 users
-      #
-      #   pluralize(0, 'person')
-      #   # => 0 people
-      def pluralize(count, singular, plural = nil)
-        word = if (count == 1 || count =~ /^1(\.0+)?$/)
-          singular
-        else
-          plural || singular.pluralize
-        end
-
-        "#{count || 0} #{word}"
-      end
-
-      # Wraps the +text+ into lines no longer than +line_width+ width. This method
-      # breaks on the first whitespace character that does not exceed +line_width+
-      # (which is 80 by default).
-      #
-      #   word_wrap('Once upon a time')
-      #   # => Once upon a time
-      #
-      #   word_wrap('Once upon a time, in a kingdom called Far Far Away, a king fell ill, and finding a successor to the throne turned out to be more trouble than anyone could have imagined...')
-      #   # => Once upon a time, in a kingdom called Far Far Away, a king fell ill, and finding\na successor to the throne turned out to be more trouble than anyone could have\nimagined...
-      #
-      #   word_wrap('Once upon a time', line_width: 8)
-      #   # => Once\nupon a\ntime
-      #
-      #   word_wrap('Once upon a time', line_width: 1)
-      #   # => Once\nupon\na\ntime
-      def word_wrap(text, options = {})
-        line_width = options.fetch(:line_width, 80)
-
-        text.split("\n").collect do |line|
-          line.length > line_width ? line.gsub(/(.{1,#{line_width}})(\s+|$)/, "\\1\n").strip : line
-        end * "\n"
-      end
-
-      # Returns +text+ transformed into HTML using simple formatting rules.
-      # Two or more consecutive newlines(<tt>\n\n</tt>) are considered as a
-      # paragraph and wrapped in <tt><p></tt> tags. One newline (<tt>\n</tt>) is
-      # considered as a linebreak and a <tt><br /></tt> tag is appended. This
-      # method does not remove the newlines from the +text+.
-      #
-      # You can pass any HTML attributes into <tt>html_options</tt>. These
-      # will be added to all created paragraphs.
-      #
-      # ==== Options
-      # * <tt>:sanitize</tt> - If +false+, does not sanitize +text+.
-      # * <tt>:wrapper_tag</tt> - String representing the wrapper tag, defaults to <tt>"p"</tt>
-      #
-      # ==== Examples
-      #   my_text = "Here is some basic text...\n...with a line break."
-      #
-      #   simple_format(my_text)
-      #   # => "<p>Here is some basic text...\n<br />...with a line break.</p>"
-      #
-      #   simple_format(my_text, {}, wrapper_tag: "div")
-      #   # => "<div>Here is some basic text...\n<br />...with a line break.</div>"
-      #
-      #   more_text = "We want to put a paragraph...\n\n...right there."
-      #
-      #   simple_format(more_text)
-      #   # => "<p>We want to put a paragraph...</p>\n\n<p>...right there.</p>"
-      #
-      #   simple_format("Look ma! A class!", class: 'description')
-      #   # => "<p class='description'>Look ma! A class!</p>"
-      #
-      #   simple_format("<blink>Unblinkable.</blink>")
-      #   # => "<p>Unblinkable.</p>"
-      #
-      #   simple_format("<blink>Blinkable!</blink> It's true.", {}, sanitize: false)
-      #   # => "<p><blink>Blinkable!</span> It's true.</p>"
-      def simple_format(text, html_options = {}, options = {})
-        wrapper_tag = options.fetch(:wrapper_tag, :p)
-
-        text = sanitize(text) if options.fetch(:sanitize, true)
-        paragraphs = split_paragraphs(text)
-
-        if paragraphs.empty?
-          content_tag(wrapper_tag, nil, html_options)
-        else
-          paragraphs.map { |paragraph|
-            content_tag(wrapper_tag, paragraph, html_options, options[:sanitize])
-          }.join("\n\n").html_safe
-        end
-      end
-
-      # Creates a Cycle object whose _to_s_ method cycles through elements of an
-      # array every time it is called. This can be used for example, to alternate
-      # classes for table rows. You can use named cycles to allow nesting in loops.
-      # Passing a Hash as the last parameter with a <tt>:name</tt> key will create a
-      # named cycle. The default name for a cycle without a +:name+ key is
-      # <tt>"default"</tt>. You can manually reset a cycle by calling reset_cycle
-      # and passing the name of the cycle. The current cycle string can be obtained
-      # anytime using the current_cycle method.
-      #
-      #   # Alternate CSS classes for even and odd numbers...
-      #   @items = [1,2,3,4]
-      #   <table>
-      #   <% @items.each do |item| %>
-      #     <tr class="<%= cycle("odd", "even") -%>">
-      #       <td>item</td>
-      #     </tr>
-      #   <% end %>
-      #   </table>
-      #
-      #
-      #   # Cycle CSS classes for rows, and text colors for values within each row
-      #   @items = x = [{first: 'Robert', middle: 'Daniel', last: 'James'},
-      #                {first: 'Emily', middle: 'Shannon', maiden: 'Pike', last: 'Hicks'},
-      #               {first: 'June', middle: 'Dae', last: 'Jones'}]
-      #   <% @items.each do |item| %>
-      #     <tr class="<%= cycle("odd", "even", name: "row_class") -%>">
-      #       <td>
-      #         <% item.values.each do |value| %>
-      #           <%# Create a named cycle "colors" %>
-      #           <span style="color:<%= cycle("red", "green", "blue", name: "colors") -%>">
-      #             <%= value %>
-      #           </span>
-      #         <% end %>
-      #         <% reset_cycle("colors") %>
-      #       </td>
-      #    </tr>
-      #  <% end %>
-      def cycle(first_value, *values)
-        options = values.extract_options!
-        name = options.fetch(:name, 'default')
-
-        values.unshift(first_value)
-
-        cycle = get_cycle(name)
-        unless cycle && cycle.values == values
-          cycle = set_cycle(name, Cycle.new(*values))
-        end
-        cycle.to_s
-      end
-
-      # Returns the current cycle string after a cycle has been started. Useful
-      # for complex table highlighting or any other design need which requires
-      # the current cycle string in more than one place.
-      #
-      #   # Alternate background colors
-      #   @items = [1,2,3,4]
-      #   <% @items.each do |item| %>
-      #     <div style="background-color:<%= cycle("red","white","blue") %>">
-      #       <span style="background-color:<%= current_cycle %>"><%= item %></span>
-      #     </div>
-      #   <% end %>
-      def current_cycle(name = "default")
-        cycle = get_cycle(name)
-        cycle.current_value if cycle
-      end
-
-      # Resets a cycle so that it starts from the first element the next time
-      # it is called. Pass in +name+ to reset a named cycle.
-      #
-      #   # Alternate CSS classes for even and odd numbers...
-      #   @items = [[1,2,3,4], [5,6,3], [3,4,5,6,7,4]]
-      #   <table>
-      #   <% @items.each do |item| %>
-      #     <tr class="<%= cycle("even", "odd") -%>">
-      #         <% item.each do |value| %>
-      #           <span style="color:<%= cycle("#333", "#666", "#999", name: "colors") -%>">
-      #             <%= value %>
-      #           </span>
-      #         <% end %>
-      #
-      #         <% reset_cycle("colors") %>
-      #     </tr>
-      #   <% end %>
-      #   </table>
-      def reset_cycle(name = "default")
-        cycle = get_cycle(name)
-        cycle.reset if cycle
-      end
-
-      class Cycle #:nodoc:
-        attr_reader :values
-
-        def initialize(first_value, *values)
-          @values = values.unshift(first_value)
-          reset
-        end
-
-        def reset
-          @index = 0
-        end
-
-        def current_value
-          @values[previous_index].to_s
-        end
-
-        def to_s
-          value = @values[@index].to_s
-          @index = next_index
-          return value
-        end
-
-        private
-
-        def next_index
-          step_index(1)
-        end
-
-        def previous_index
-          step_index(-1)
-        end
-
-        def step_index(n)
-          (@index + n) % @values.size
-        end
-      end
-
-      private
-        # The cycle helpers need to store the cycles in a place that is
-        # guaranteed to be reset every time a page is rendered, so it
-        # uses an instance variable of ActionView::Base.
-        def get_cycle(name)
-          @_cycles = Hash.new unless defined?(@_cycles)
-          return @_cycles[name]
-        end
-
-        def set_cycle(name, cycle_object)
-          @_cycles = Hash.new unless defined?(@_cycles)
-          @_cycles[name] = cycle_object
-        end
-
-        def split_paragraphs(text)
-          return [] if text.blank?
-
-          text.to_str.gsub(/\r\n?/, "\n").split(/\n\n+/).map! do |t|
-            t.gsub!(/([^\n]\n)(?=[^\n])/, '\1<br />') || t
-          end
-        end
-
-        def cut_excerpt_part(part_position, part, separator, options)
-          return "", "" unless part
-
-          radius   = options.fetch(:radius, 100)
-          omission = options.fetch(:omission, "...")
-
-          part = part.split(separator)
-          part.delete("")
-          affix = part.size > radius ? omission : ""
-
-          part = if part_position == :first
-            drop_index = [part.length - radius, 0].max
-            part.drop(drop_index)
-          else
-            part.first(radius)
-          end
-
-          return affix, part.join(separator)
-        end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/translation_helper.rb b/actionpack/lib/action_view/helpers/translation_helper.rb
deleted file mode 100644
index ad8eb47f1f..0000000000
--- a/actionpack/lib/action_view/helpers/translation_helper.rb
+++ /dev/null
@@ -1,107 +0,0 @@
-require 'action_view/helpers/tag_helper'
-require 'i18n/exceptions'
-
-module I18n
-  class ExceptionHandler
-    include Module.new {
-      def call(exception, locale, key, options)
-        exception.is_a?(MissingTranslation) && options[:rescue_format] == :html ? super.html_safe : super
-      end
-    }
-  end
-end
-
-module ActionView
-  # = Action View Translation Helpers
-  module Helpers
-    module TranslationHelper
-      # Delegates to <tt>I18n#translate</tt> but also performs three additional functions.
-      #
-      # First, it'll pass the <tt>rescue_format: :html</tt> option to I18n so that any
-      # thrown +MissingTranslation+ messages will be turned into inline spans that
-      #
-      #   * have a "translation-missing" class set,
-      #   * contain the missing key as a title attribute and
-      #   * a titleized version of the last key segment as a text.
-      #
-      # E.g. the value returned for a missing translation key :"blog.post.title" will be
-      # <span class="translation_missing" title="translation missing: en.blog.post.title">Title</span>.
-      # This way your views will display rather reasonable strings but it will still
-      # be easy to spot missing translations.
-      #
-      # Second, it'll scope the key by the current partial if the key starts
-      # with a period. So if you call <tt>translate(".foo")</tt> from the
-      # <tt>people/index.html.erb</tt> template, you'll actually be calling
-      # <tt>I18n.translate("people.index.foo")</tt>. This makes it less repetitive
-      # to translate many keys within the same partials and gives you a simple framework
-      # for scoping them consistently. If you don't prepend the key with a period,
-      # nothing is converted.
-      #
-      # Third, it'll mark the translation as safe HTML if the key has the suffix
-      # "_html" or the last element of the key is the word "html". For example,
-      # calling translate("footer_html") or translate("footer.html") will return
-      # a safe HTML string that won't be escaped by other HTML helper methods. This
-      # naming convention helps to identify translations that include HTML tags so that
-      # you know what kind of output to expect when you call translate in a template.
-      def translate(key, options = {})
-        options.merge!(:rescue_format => :html) unless options.key?(:rescue_format)
-        options[:default] = wrap_translate_defaults(options[:default]) if options[:default]
-        if html_safe_translation_key?(key)
-          html_safe_options = options.dup
-          options.except(*I18n::RESERVED_KEYS).each do |name, value|
-            unless name == :count && value.is_a?(Numeric)
-              html_safe_options[name] = ERB::Util.html_escape(value.to_s)
-            end
-          end
-          translation = I18n.translate(scope_key_by_partial(key), html_safe_options)
-
-          translation.respond_to?(:html_safe) ? translation.html_safe : translation
-        else
-          I18n.translate(scope_key_by_partial(key), options)
-        end
-      end
-      alias :t :translate
-
-      # Delegates to <tt>I18n.localize</tt> with no additional functionality.
-      #
-      # See http://rubydoc.info/github/svenfuchs/i18n/master/I18n/Backend/Base:localize
-      # for more information.
-      def localize(*args)
-        I18n.localize(*args)
-      end
-      alias :l :localize
-
-      private
-        def scope_key_by_partial(key)
-          if key.to_s.first == "."
-            if @virtual_path
-              @virtual_path.gsub(%r{/_?}, ".") + key.to_s
-            else
-              raise "Cannot use t(#{key.inspect}) shortcut because path is not available"
-            end
-          else
-            key
-          end
-        end
-
-        def html_safe_translation_key?(key)
-          key.to_s =~ /(\b|_|\.)html$/
-        end
-
-        def wrap_translate_defaults(defaults)
-          new_defaults = []
-          defaults     = Array(defaults)
-          while key = defaults.shift
-            if key.is_a?(Symbol)
-              new_defaults << lambda { |_, options| translate key, options.merge(:default => defaults) }
-              break
-            else
-              new_defaults << key
-            end
-          end
-
-          new_defaults
-        end
-    end
-  end
-end
diff --git a/actionpack/lib/action_view/helpers/url_helper.rb b/actionpack/lib/action_view/helpers/url_helper.rb
deleted file mode 100644
index 19e5941971..0000000000
--- a/actionpack/lib/action_view/helpers/url_helper.rb
+++ /dev/null
@@ -1,616 +0,0 @@
-require 'action_view/helpers/javascript_helper'
-require 'active_support/core_ext/array/access'
-require 'active_support/core_ext/hash/keys'
-require 'active_support/core_ext/string/output_safety'
-
-module ActionView
-  # = Action View URL Helpers
-  module Helpers #:nodoc:
-    # Provides a set of methods for making links and getting URLs that
-    # depend on the routing subsystem (see ActionDispatch::Routing).
-    # This allows you to use the same format for links in views
-    # and controllers.
-    module UrlHelper
-      # This helper may be included in any class that includes the
-      # URL helpers of a routes (routes.url_helpers). Some methods
-      # provided here will only work in the context of a request
-      # (link_to_unless_current, for instance), which must be provided
-      # as a method called #request on the context.
-
-      extend ActiveSupport::Concern
-
-      include TagHelper
-
-      module ClassMethods
-        def _url_for_modules
-          ActionView::RoutingUrlFor
-        end
-      end
-
-      # Basic implementation of url_for to allow use helpers without routes existence
-      def url_for(options = nil) # :nodoc:
-        case options
-        when String
-          options
-        when :back
-          _back_url
-        else
-          raise ArgumentError, "arguments passed to url_for can't be handled. Please require " +
-                               "routes or provide your own implementation"
-        end
-      end
-
-      def _back_url # :nodoc:
-        referrer = controller.respond_to?(:request) && controller.request.env["HTTP_REFERER"]
-        referrer || 'javascript:history.back()'
-      end
-      protected :_back_url
-
-      # Creates a link tag of the given +name+ using a URL created by the set of +options+.
-      # See the valid options in the documentation for +url_for+. It's also possible to
-      # pass a String instead of an options hash, which generates a link tag that uses the
-      # value of the String as the href for the link. Using a <tt>:back</tt> Symbol instead
-      # of an options hash will generate a link to the referrer (a JavaScript back link
-      # will be used in place of a referrer if none exists). If +nil+ is passed as the name
-      # the value of the link itself will become the name.
-      #
-      # ==== Signatures
-      #
-      #   link_to(body, url, html_options = {})
-      #     # url is a String; you can use URL helpers like
-      #     # posts_path
-      #
-      #   link_to(body, url_options = {}, html_options = {})
-      #     # url_options, except :method, is passed to url_for
-      #
-      #   link_to(options = {}, html_options = {}) do
-      #     # name
-      #   end
-      #
-      #   link_to(url, html_options = {}) do
-      #     # name
-      #   end
-      #
-      # ==== Options
-      # * <tt>:data</tt> - This option can be used to add custom data attributes.
-      # * <tt>method: symbol of HTTP verb</tt> - This modifier will dynamically
-      #   create an HTML form and immediately submit the form for processing using
-      #   the HTTP verb specified. Useful for having links perform a POST operation
-      #   in dangerous actions like deleting a record (which search bots can follow
-      #   while spidering your site). Supported verbs are <tt>:post</tt>, <tt>:delete</tt>, <tt>:patch</tt>, and <tt>:put</tt>.
-      #   Note that if the user has JavaScript disabled, the request will fall back
-      #   to using GET. If <tt>href: '#'</tt> is used and the user has JavaScript
-      #   disabled clicking the link will have no effect. If you are relying on the
-      #   POST behavior, you should check for it in your controller's action by using
-      #   the request object's methods for <tt>post?</tt>, <tt>delete?</tt>, <tt>:patch</tt>, or <tt>put?</tt>.
-      # * <tt>remote: true</tt> - This will allow the unobtrusive JavaScript
-      #   driver to make an Ajax request to the URL in question instead of following
-      #   the link. The drivers each provide mechanisms for listening for the
-      #   completion of the Ajax request and performing JavaScript operations once
-      #   they're complete
-      #
-      # ==== Data attributes
-      #
-      # * <tt>confirm: 'question?'</tt> - This will allow the unobtrusive JavaScript
-      #   driver to prompt with the question specified. If the user accepts, the link is
-      #   processed normally, otherwise no action is taken.
-      # * <tt>:disable_with</tt> - Value of this parameter will be
-      #   used as the value for a disabled version of the submit
-      #   button when the form is submitted. This feature is provided
-      #   by the unobtrusive JavaScript driver.
-      #
-      # ==== Examples
-      # Because it relies on +url_for+, +link_to+ supports both older-style controller/action/id arguments
-      # and newer RESTful routes. Current Rails style favors RESTful routes whenever possible, so base
-      # your application on resources and use
-      #
-      #   link_to "Profile", profile_path(@profile)
-      #   # => <a href="/profiles/1">Profile</a>
-      #
-      # or the even pithier
-      #
-      #   link_to "Profile", @profile
-      #   # => <a href="/profiles/1">Profile</a>
-      #
-      # in place of the older more verbose, non-resource-oriented
-      #
-      #   link_to "Profile", controller: "profiles", action: "show", id: @profile
-      #   # => <a href="/profiles/show/1">Profile</a>
-      #
-      # Similarly,
-      #
-      #   link_to "Profiles", profiles_path
-      #   # => <a href="/profiles">Profiles</a>
-      #
-      # is better than
-      #
-      #   link_to "Profiles", controller: "profiles"
-      #   # => <a href="/profiles">Profiles</a>
-      #
-      # You can use a block as well if your link target is hard to fit into the name parameter. ERB example:
-      #
-      #   <%= link_to(@profile) do %>
-      #     <strong><%= @profile.name %></strong> -- <span>Check it out!</span>
-      #   <% end %>
-      #   # => <a href="/profiles/1">
-      #          <strong>David</strong> -- <span>Check it out!</span>
-      #        </a>
-      #
-      # Classes and ids for CSS are easy to produce:
-      #
-      #   link_to "Articles", articles_path, id: "news", class: "article"
-      #   # => <a href="/articles" class="article" id="news">Articles</a>
-      #
-      # Be careful when using the older argument style, as an extra literal hash is needed:
-      #
-      #   link_to "Articles", { controller: "articles" }, id: "news", class: "article"
-      #   # => <a href="/articles" class="article" id="news">Articles</a>
-      #
-      # Leaving the hash off gives the wrong link:
-      #
-      #   link_to "WRONG!", controller: "articles", id: "news", class: "article"
-      #   # => <a href="/articles/index/news?class=article">WRONG!</a>
-      #
-      # +link_to+ can also produce links with anchors or query strings:
-      #
-      #   link_to "Comment wall", profile_path(@profile, anchor: "wall")
-      #   # => <a href="/profiles/1#wall">Comment wall</a>
-      #
-      #   link_to "Ruby on Rails search", controller: "searches", query: "ruby on rails"
-      #   # => <a href="/searches?query=ruby+on+rails">Ruby on Rails search</a>
-      #
-      #   link_to "Nonsense search", searches_path(foo: "bar", baz: "quux")
-      #   # => <a href="/searches?foo=bar&amp;baz=quux">Nonsense search</a>
-      #
-      # The only option specific to +link_to+ (<tt>:method</tt>) is used as follows:
-      #
-      #   link_to("Destroy", "http://www.example.com", method: :delete)
-      #   # => <a href='http://www.example.com' rel="nofollow" data-method="delete">Destroy</a>
-      #
-      # You can also use custom data attributes using the <tt>:data</tt> option:
-      #
-      #   link_to "Visit Other Site", "http://www.rubyonrails.org/", data: { confirm: "Are you sure?" }
-      #   # => <a href="http://www.rubyonrails.org/" data-confirm="Are you sure?">Visit Other Site</a>
-      def link_to(name = nil, options = nil, html_options = nil, &block)
-        html_options, options = options, name if block_given?
-        options ||= {}
-
-        html_options = convert_options_to_data_attributes(options, html_options)
-
-        url = url_for(options)
-        html_options['href'] ||= url
-
-        content_tag(:a, name || url, html_options, &block)
-      end
-
-      # Generates a form containing a single button that submits to the URL created
-      # by the set of +options+. This is the safest method to ensure links that
-      # cause changes to your data are not triggered by search bots or accelerators.
-      # If the HTML button does not work with your layout, you can also consider
-      # using the +link_to+ method with the <tt>:method</tt> modifier as described in
-      # the +link_to+ documentation.
-      #
-      # By default, the generated form element has a class name of <tt>button_to</tt>
-      # to allow styling of the form itself and its children. This can be changed
-      # using the <tt>:form_class</tt> modifier within +html_options+. You can control
-      # the form submission and input element behavior using +html_options+.
-      # This method accepts the <tt>:method</tt> modifier described in the +link_to+ documentation.
-      # If no <tt>:method</tt> modifier is given, it will default to performing a POST operation.
-      # You can also disable the button by passing <tt>disabled: true</tt> in +html_options+.
-      # If you are using RESTful routes, you can pass the <tt>:method</tt>
-      # to change the HTTP verb used to submit the form.
-      #
-      # ==== Options
-      # The +options+ hash accepts the same options as +url_for+.
-      #
-      # There are a few special +html_options+:
-      # * <tt>:method</tt> - Symbol of HTTP verb. Supported verbs are <tt>:post</tt>, <tt>:get</tt>,
-      #   <tt>:delete</tt>, <tt>:patch</tt>, and <tt>:put</tt>. By default it will be <tt>:post</tt>.
-      # * <tt>:disabled</tt> - If set to true, it will generate a disabled button.
-      # * <tt>:data</tt> - This option can be used to add custom data attributes.
-      # * <tt>:remote</tt> -  If set to true, will allow the Unobtrusive JavaScript drivers to control the
-      #   submit behavior. By default this behavior is an ajax submit.
-      # * <tt>:form</tt> - This hash will be form attributes
-      # * <tt>:form_class</tt> - This controls the class of the form within which the submit button will
-      #   be placed
-      #
-      # ==== Data attributes
-      #
-      # * <tt>:confirm</tt> - This will use the unobtrusive JavaScript driver to
-      #   prompt with the question specified. If the user accepts, the link is
-      #   processed normally, otherwise no action is taken.
-      # * <tt>:disable_with</tt> - Value of this parameter will be
-      #   used as the value for a disabled version of the submit
-      #   button when the form is submitted. This feature is provided
-      #   by the unobtrusive JavaScript driver.
-      #
-      # ==== Examples
-      #   <%= button_to "New", action: "new" %>
-      #   # => "<form method="post" action="/controller/new" class="button_to">
-      #   #      <div><input value="New" type="submit" /></div>
-      #   #    </form>"
-      #
-      #   <%= button_to [:make_happy, @user] do %>
-      #     Make happy <strong><%= @user.name %></strong>
-      #   <% end %>
-      #   # => "<form method="post" action="/users/1/make_happy" class="button_to">
-      #   #      <div>
-      #   #        <button type="submit">
-      #   #          Make happy <strong><%= @user.name %></strong>
-      #   #        </button>
-      #   #      </div>
-      #   #    </form>"
-      #
-      #   <%= button_to "New", { action: "new" }, form_class: "new-thing" %>
-      #   # => "<form method="post" action="/controller/new" class="new-thing">
-      #   #      <div><input value="New" type="submit" /></div>
-      #   #    </form>"
-      #
-      #
-      #   <%= button_to "Create", { action: "create" }, remote: true, form: { "data-type" => "json" } %>
-      #   # => "<form method="post" action="/images/create" class="button_to" data-remote="true" data-type="json">
-      #   #      <div>
-      #   #        <input value="Create" type="submit" />
-      #   #        <input name="authenticity_token" type="hidden" value="10f2163b45388899ad4d5ae948988266befcb6c3d1b2451cf657a0c293d605a6"/>
-      #   #      </div>
-      #   #    </form>"
-      #
-      #
-      #   <%= button_to "Delete Image", { action: "delete", id: @image.id },
-      #                                   method: :delete, data: { confirm: "Are you sure?" } %>
-      #   # => "<form method="post" action="/images/delete/1" class="button_to">
-      #   #      <div>
-      #   #        <input type="hidden" name="_method" value="delete" />
-      #   #        <input data-confirm='Are you sure?' value="Delete Image" type="submit" />
-      #   #        <input name="authenticity_token" type="hidden" value="10f2163b45388899ad4d5ae948988266befcb6c3d1b2451cf657a0c293d605a6"/>
-      #   #      </div>
-      #   #    </form>"
-      #
-      #
-      #   <%= button_to('Destroy', 'http://www.example.com',
-      #             method: "delete", remote: true, data: { confirm: 'Are you sure?', disable_with: 'loading...' }) %>
-      #   # => "<form class='button_to' method='post' action='http://www.example.com' data-remote='true'>
-      #   #       <div>
-      #   #         <input name='_method' value='delete' type='hidden' />
-      #   #         <input value='Destroy' type='submit' data-disable-with='loading...' data-confirm='Are you sure?' />
-      #   #         <input name="authenticity_token" type="hidden" value="10f2163b45388899ad4d5ae948988266befcb6c3d1b2451cf657a0c293d605a6"/>
-      #   #       </div>
-      #   #     </form>"
-      #   #
-      def button_to(name = nil, options = nil, html_options = nil, &block)
-        html_options, options = options, name if block_given?
-        options      ||= {}
-        html_options ||= {}
-
-        html_options = html_options.stringify_keys
-        convert_boolean_attributes!(html_options, %w(disabled))
-
-        url    = options.is_a?(String) ? options : url_for(options)
-        remote = html_options.delete('remote')
-
-        method     = html_options.delete('method').to_s
-        method_tag = %w{patch put delete}.include?(method) ? method_tag(method) : ''.html_safe
-
-        form_method  = method == 'get' ? 'get' : 'post'
-        form_options = html_options.delete('form') || {}
-        form_options[:class] ||= html_options.delete('form_class') || 'button_to'
-        form_options.merge!(method: form_method, action: url)
-        form_options.merge!("data-remote" => "true") if remote
-
-        request_token_tag = form_method == 'post' ? token_tag : ''
-
-        html_options = convert_options_to_data_attributes(options, html_options)
-        html_options['type'] = 'submit'
-
-        button = if block_given?
-          content_tag('button', html_options, &block)
-        else
-          html_options['value'] = name || url
-          tag('input', html_options)
-        end
-
-        inner_tags = method_tag.safe_concat(button).safe_concat(request_token_tag)
-        content_tag('form', content_tag('div', inner_tags), form_options)
-      end
-
-      # Creates a link tag of the given +name+ using a URL created by the set of
-      # +options+ unless the current request URI is the same as the links, in
-      # which case only the name is returned (or the given block is yielded, if
-      # one exists). You can give +link_to_unless_current+ a block which will
-      # specialize the default behavior (e.g., show a "Start Here" link rather
-      # than the link's text).
-      #
-      # ==== Examples
-      # Let's say you have a navigation menu...
-      #
-      #   <ul id="navbar">
-      #     <li><%= link_to_unless_current("Home", { action: "index" }) %></li>
-      #     <li><%= link_to_unless_current("About Us", { action: "about" }) %></li>
-      #   </ul>
-      #
-      # If in the "about" action, it will render...
-      #
-      #   <ul id="navbar">
-      #     <li><a href="/controller/index">Home</a></li>
-      #     <li>About Us</li>
-      #   </ul>
-      #
-      # ...but if in the "index" action, it will render:
-      #
-      #   <ul id="navbar">
-      #     <li>Home</li>
-      #     <li><a href="/controller/about">About Us</a></li>
-      #   </ul>
-      #
-      # The implicit block given to +link_to_unless_current+ is evaluated if the current
-      # action is the action given. So, if we had a comments page and wanted to render a
-      # "Go Back" link instead of a link to the comments page, we could do something like this...
-      #
-      #    <%=
-      #        link_to_unless_current("Comment", { controller: "comments", action: "new" }) do
-      #           link_to("Go back", { controller: "posts", action: "index" })
-      #        end
-      #     %>
-      def link_to_unless_current(name, options = {}, html_options = {}, &block)
-        link_to_unless current_page?(options), name, options, html_options, &block
-      end
-
-      # Creates a link tag of the given +name+ using a URL created by the set of
-      # +options+ unless +condition+ is true, in which case only the name is
-      # returned. To specialize the default behavior (i.e., show a login link rather
-      # than just the plaintext link text), you can pass a block that
-      # accepts the name or the full argument list for +link_to_unless+.
-      #
-      # ==== Examples
-      #   <%= link_to_unless(@current_user.nil?, "Reply", { action: "reply" }) %>
-      #   # If the user is logged in...
-      #   # => <a href="/controller/reply/">Reply</a>
-      #
-      #   <%=
-      #      link_to_unless(@current_user.nil?, "Reply", { action: "reply" }) do |name|
-      #        link_to(name, { controller: "accounts", action: "signup" })
-      #      end
-      #   %>
-      #   # If the user is logged in...
-      #   # => <a href="/controller/reply/">Reply</a>
-      #   # If not...
-      #   # => <a href="/accounts/signup">Reply</a>
-      def link_to_unless(condition, name, options = {}, html_options = {}, &block)
-        if condition
-          if block_given?
-            block.arity <= 1 ? capture(name, &block) : capture(name, options, html_options, &block)
-          else
-            ERB::Util.html_escape(name)
-          end
-        else
-          link_to(name, options, html_options)
-        end
-      end
-
-      # Creates a link tag of the given +name+ using a URL created by the set of
-      # +options+ if +condition+ is true, otherwise only the name is
-      # returned. To specialize the default behavior, you can pass a block that
-      # accepts the name or the full argument list for +link_to_unless+ (see the examples
-      # in +link_to_unless+).
-      #
-      # ==== Examples
-      #   <%= link_to_if(@current_user.nil?, "Login", { controller: "sessions", action: "new" }) %>
-      #   # If the user isn't logged in...
-      #   # => <a href="/sessions/new/">Login</a>
-      #
-      #   <%=
-      #      link_to_if(@current_user.nil?, "Login", { controller: "sessions", action: "new" }) do
-      #        link_to(@current_user.login, { controller: "accounts", action: "show", id: @current_user })
-      #      end
-      #   %>
-      #   # If the user isn't logged in...
-      #   # => <a href="/sessions/new/">Login</a>
-      #   # If they are logged in...
-      #   # => <a href="/accounts/show/3">my_username</a>
-      def link_to_if(condition, name, options = {}, html_options = {}, &block)
-        link_to_unless !condition, name, options, html_options, &block
-      end
-
-      # Creates a mailto link tag to the specified +email_address+, which is
-      # also used as the name of the link unless +name+ is specified. Additional
-      # HTML attributes for the link can be passed in +html_options+.
-      #
-      # +mail_to+ has several methods for customizing the email itself by
-      # passing special keys to +html_options+.
-      #
-      # ==== Options
-      # * <tt>:subject</tt> - Preset the subject line of the email.
-      # * <tt>:body</tt> - Preset the body of the email.
-      # * <tt>:cc</tt> - Carbon Copy additional recipients on the email.
-      # * <tt>:bcc</tt> - Blind Carbon Copy additional recipients on the email.
-      #
-      # ==== Obfuscation
-      # Prior to Rails 4.0, +mail_to+ provided options for encoding the address
-      # in order to hinder email harvesters.  To take advantage of these options,
-      # install the +actionview-encoded_mail_to+ gem.
-      #
-      # ==== Examples
-      #   mail_to "me@domain.com"
-      #   # => <a href="mailto:me@domain.com">me@domain.com</a>
-      #
-      #   mail_to "me@domain.com", "My email"
-      #   # => <a href="mailto:me@domain.com">My email</a>
-      #
-      #   mail_to "me@domain.com", "My email", cc: "ccaddress@domain.com",
-      #            subject: "This is an example email"
-      #   # => <a href="mailto:me@domain.com?cc=ccaddress@domain.com&subject=This%20is%20an%20example%20email">My email</a>
-      #
-      # You can use a block as well if your link target is hard to fit into the name parameter. ERB example:
-      #
-      #   <%= mail_to "me@domain.com" do %>
-      #     <strong>Email me:</strong> <span>me@domain.com</span>
-      #   <% end %>
-      #   # => <a href="mailto:me@domain.com">
-      #          <strong>Email me:</strong> <span>me@domain.com</span>
-      #        </a>
-      def mail_to(email_address, name = nil, html_options = {}, &block)
-        email_address = ERB::Util.html_escape(email_address)
-
-        html_options, name = name, nil if block_given?
-        html_options = (html_options || {}).stringify_keys
-
-        extras = %w{ cc bcc body subject }.map { |item|
-          option = html_options.delete(item) || next
-          "#{item}=#{Rack::Utils.escape_path(option)}"
-        }.compact
-        extras = extras.empty? ? '' : '?' + ERB::Util.html_escape(extras.join('&'))
-
-        html_options["href"] = "mailto:#{email_address}#{extras}".html_safe
-
-        content_tag(:a, name || email_address.html_safe, html_options, &block)
-      end
-
-      # True if the current request URI was generated by the given +options+.
-      #
-      # ==== Examples
-      # Let's say we're in the <tt>http://www.example.com/shop/checkout?order=desc</tt> action.
-      #
-      #   current_page?(action: 'process')
-      #   # => false
-      #
-      #   current_page?(controller: 'shop', action: 'checkout')
-      #   # => true
-      #
-      #   current_page?(controller: 'shop', action: 'checkout', order: 'asc')
-      #   # => false
-      #
-      #   current_page?(action: 'checkout')
-      #   # => true
-      #
-      #   current_page?(controller: 'library', action: 'checkout')
-      #   # => false
-      #
-      #   current_page?('http://www.example.com/shop/checkout')
-      #   # => true
-      #
-      #   current_page?('/shop/checkout')
-      #   # => true
-      #
-      # Let's say we're in the <tt>http://www.example.com/shop/checkout?order=desc&page=1</tt> action.
-      #
-      #   current_page?(action: 'process')
-      #   # => false
-      #
-      #   current_page?(controller: 'shop', action: 'checkout')
-      #   # => true
-      #
-      #   current_page?(controller: 'shop', action: 'checkout', order: 'desc', page: '1')
-      #   # => true
-      #
-      #   current_page?(controller: 'shop', action: 'checkout', order: 'desc', page: '2')
-      #   # => false
-      #
-      #   current_page?(controller: 'shop', action: 'checkout', order: 'desc')
-      #   # => false
-      #
-      #   current_page?(action: 'checkout')
-      #   # => true
-      #
-      #   current_page?(controller: 'library', action: 'checkout')
-      #   # => false
-      #
-      # Let's say we're in the <tt>http://www.example.com/products</tt> action with method POST in case of invalid product.
-      #
-      #   current_page?(controller: 'product', action: 'index')
-      #   # => false
-      #
-      def current_page?(options)
-        unless request
-          raise "You cannot use helpers that need to determine the current " \
-                "page unless your view context provides a Request object " \
-                "in a #request method"
-        end
-
-        return false unless request.get? || request.head?
-
-        url_string = url_for(options)
-
-        # We ignore any extra parameters in the request_uri if the
-        # submitted url doesn't have any either. This lets the function
-        # work with things like ?order=asc
-        request_uri = url_string.index("?") ? request.fullpath : request.path
-
-        if url_string =~ /^\w+:\/\//
-          url_string == "#{request.protocol}#{request.host_with_port}#{request_uri}"
-        else
-          url_string == request_uri
-        end
-      end
-
-      private
-        def convert_options_to_data_attributes(options, html_options)
-          if html_options
-            html_options = html_options.stringify_keys
-            html_options['data-remote'] = 'true' if link_to_remote_options?(options) || link_to_remote_options?(html_options)
-
-            method  = html_options.delete('method')
-
-            add_method_to_attributes!(html_options, method) if method
-
-            html_options
-          else
-            link_to_remote_options?(options) ? {'data-remote' => 'true'} : {}
-          end
-        end
-
-        def link_to_remote_options?(options)
-          if options.is_a?(Hash)
-            options.delete('remote') || options.delete(:remote)
-          end
-        end
-
-        def add_method_to_attributes!(html_options, method)
-          if method && method.to_s.downcase != "get" && html_options["rel"] !~ /nofollow/
-            html_options["rel"] = "#{html_options["rel"]} nofollow".lstrip
-          end
-          html_options["data-method"] = method
-        end
-
-        # Processes the +html_options+ hash, converting the boolean
-        # attributes from true/false form into the form required by
-        # HTML/XHTML. (An attribute is considered to be boolean if
-        # its name is listed in the given +bool_attrs+ array.)
-        #
-        # More specifically, for each boolean attribute in +html_options+
-        # given as:
-        #
-        #   "attr" => bool_value
-        #
-        # if the associated +bool_value+ evaluates to true, it is
-        # replaced with the attribute's name; otherwise the attribute is
-        # removed from the +html_options+ hash. (See the XHTML 1.0 spec,
-        # section 4.5 "Attribute Minimization" for more:
-        # http://www.w3.org/TR/xhtml1/#h-4.5)
-        #
-        # Returns the updated +html_options+ hash, which is also modified
-        # in place.
-        #
-        # Example:
-        #
-        #   convert_boolean_attributes!( html_options,
-        #                                %w( checked disabled readonly ) )
-        def convert_boolean_attributes!(html_options, bool_attrs)
-          bool_attrs.each { |x| html_options[x] = x if html_options.delete(x) }
-          html_options
-        end
-
-        def token_tag(token=nil)
-          if token != false && protect_against_forgery?
-            token ||= form_authenticity_token
-            tag(:input, type: "hidden", name: request_forgery_protection_token.to_s, value: token)
-          else
-            ''
-          end
-        end
-
-        def method_tag(method)
-          tag('input', type: 'hidden', name: '_method', value: method.to_s)
-        end
-    end
-  end
-end