Merge commit 'mainstream/master'

Conflicts:
	actionpack/lib/action_controller/base.rb
	railties/guides/source/caching_with_rails.textile

5 files changed, 231 insertions, 0 deletions

diff --git a/actionpack/lib/action_controller/new_base/base.rb b/actionpack/lib/action_controller/new_base/base.rb
new file mode 100644
index 0000000000..0400ddbf7a
--- /dev/null
+++ b/actionpack/lib/action_controller/new_base/base.rb
@@ -0,0 +1,61 @@
+module ActionController
+  class AbstractBase < AbstractController::Base
+    
+    # :api: public
+    attr_internal :request, :response, :params
+
+    # :api: public
+    def self.controller_name
+      @controller_name ||= controller_path.split("/").last
+    end
+
+    # :api: public
+    def controller_name() self.class.controller_name end
+
+    # :api: public    
+    def self.controller_path
+      @controller_path ||= self.name.sub(/Controller$/, '').underscore
+    end
+    
+    # :api: public    
+    def controller_path() self.class.controller_path end
+      
+    # :api: private      
+    def self.action_methods
+      @action_names ||= Set.new(self.public_instance_methods - self::CORE_METHODS)
+    end
+    
+    # :api: private    
+    def self.action_names() action_methods end
+    
+    # :api: private        
+    def action_methods() self.class.action_names end
+
+    # :api: private
+    def action_names() action_methods end
+    
+    # :api: plugin
+    def self.call(env)
+      controller = new
+      controller.call(env).to_rack
+    end
+    
+    # :api: plugin
+    def response_body=(body)
+      @_response["Content-Length"] = body.length
+      @_response.body = body
+    end
+    
+    # :api: private
+    def call(env)
+      @_request = ActionDispatch::Request.new(env)
+      @_response = ActionDispatch::Response.new
+      process(@_request.parameters[:action])
+    end
+    
+    # :api: private
+    def to_rack
+      response.to_a
+    end
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/new_base/hide_actions.rb b/actionpack/lib/action_controller/new_base/hide_actions.rb
new file mode 100644
index 0000000000..473a8ea72b
--- /dev/null
+++ b/actionpack/lib/action_controller/new_base/hide_actions.rb
@@ -0,0 +1,31 @@
+module ActionController
+  module HideActions
+    setup do
+      extlib_inheritable_accessor :hidden_actions
+      self.hidden_actions ||= Set.new      
+    end
+    
+    def action_methods() self.class.action_names end
+    def action_names() action_methods end    
+      
+  private
+  
+    def respond_to_action?(action_name)
+      !hidden_actions.include?(action_name) && (super || respond_to?(:method_missing))
+    end
+    
+    module ClassMethods
+      def hide_action(*args)
+        args.each do |arg|
+          self.hidden_actions << arg.to_s
+        end
+      end
+      
+      def action_methods
+        @action_names ||= Set.new(super.reject {|name| self.hidden_actions.include?(name.to_s)})
+      end
+
+      def self.action_names() action_methods end
+    end
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/new_base/layouts.rb b/actionpack/lib/action_controller/new_base/layouts.rb
new file mode 100644
index 0000000000..149847c968
--- /dev/null
+++ b/actionpack/lib/action_controller/new_base/layouts.rb
@@ -0,0 +1,37 @@
+module ActionController
+  module Layouts
+    depends_on ActionController::Renderer
+    depends_on AbstractController::Layouts
+    
+    module ClassMethods
+      def _implied_layout_name
+        controller_path
+      end
+    end
+    
+    def render_to_string(options)
+      # render :text => ..., :layout => ...
+      # or
+      # render :anything_else
+      if !options.key?(:text) || options.key?(:layout)
+        options[:_layout] = options.key?(:layout) ? _layout_for_option(options[:layout]) : _default_layout
+      end
+      
+      super
+    end
+    
+  private
+  
+    def _layout_for_option(name)
+      case name
+      when String     then _layout_for_name(name)
+      when true       then _default_layout(true)
+      when false, nil then nil
+      else
+        raise ArgumentError, 
+          "String, true, or false, expected for `layout'; you passed #{name.inspect}"        
+      end
+    end
+    
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/new_base/renderer.rb b/actionpack/lib/action_controller/new_base/renderer.rb
new file mode 100644
index 0000000000..044c15f409
--- /dev/null
+++ b/actionpack/lib/action_controller/new_base/renderer.rb
@@ -0,0 +1,62 @@
+module ActionController
+  module Renderer
+    depends_on AbstractController::Renderer
+    
+    def initialize(*)
+      self.formats = [:html]
+      super
+    end
+    
+    def render(action, options = {})
+      # TODO: Move this into #render_to_string
+      if action.is_a?(Hash)
+        options, action = action, nil 
+      else
+        options.merge! :action => action
+      end
+      
+      _process_options(options)
+      
+      self.response_body = render_to_string(options)
+    end
+
+    def render_to_string(options)
+      unless options.is_a?(Hash)
+        options = {:action => options}
+      end
+
+      if options.key?(:text)
+        options[:_template] = ActionView::TextTemplate.new(_text(options))
+        template = nil
+      elsif options.key?(:template)
+        options[:_template_name] = options[:template]
+      elsif options.key?(:action)
+        options[:_template_name] = options[:action].to_s
+        options[:_prefix] = _prefix 
+      end
+      
+      super(options)
+    end
+    
+  private
+  
+    def _prefix
+      controller_path
+    end  
+  
+    def _text(options)
+      text = options[:text]
+
+      case text
+      when nil then " "
+      else text.to_s
+      end
+    end
+  
+    def _process_options(options)
+      if status = options[:status]
+        response.status = status.to_i
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/new_base/url_for.rb b/actionpack/lib/action_controller/new_base/url_for.rb
new file mode 100644
index 0000000000..af5b21012b
--- /dev/null
+++ b/actionpack/lib/action_controller/new_base/url_for.rb
@@ -0,0 +1,40 @@
+module ActionController
+  module UrlFor
+    def initialize_current_url
+      @url = UrlRewriter.new(request, params.clone)
+    end
+
+    # Overwrite to implement a number of default options that all url_for-based methods will use. The default options should come in
+    # the form of a hash, just like the one you would use for url_for directly. Example:
+    #
+    #   def default_url_options(options)
+    #     { :project => @project.active? ? @project.url_name : "unknown" }
+    #   end
+    #
+    # As you can infer from the example, this is mostly useful for situations where you want to centralize dynamic decisions about the
+    # urls as they stem from the business domain. Please note that any individual url_for call can always override the defaults set
+    # by this method.
+    def default_url_options(options = nil)
+    end
+    
+    def rewrite_options(options) #:nodoc:
+      if defaults = default_url_options(options)
+        defaults.merge(options)
+      else
+        options
+      end
+    end
+    
+    def url_for(options = {})
+      options ||= {}
+      case options
+        when String
+          options
+        when Hash
+          @url.rewrite(rewrite_options(options))
+        else
+          polymorphic_url(options)
+      end
+    end
+  end
+end
\ No newline at end of file