diff options
Diffstat (limited to 'actionpack/lib/action_view')
| -rw-r--r-- | actionpack/lib/action_view/base.rb | 130 | ||||
| -rw-r--r-- | actionpack/lib/action_view/template_handler.rb | 13 | ||||
| -rw-r--r-- | actionpack/lib/action_view/template_handlers/builder.rb | 15 | ||||
| -rw-r--r-- | actionpack/lib/action_view/template_handlers/erb.rb | 21 | ||||
| -rw-r--r-- | actionpack/lib/action_view/template_handlers/rjs.rb | 10 |
5 files changed, 100 insertions, 89 deletions
diff --git a/actionpack/lib/action_view/base.rb b/actionpack/lib/action_view/base.rb index af5fc433d8..228e3f55a5 100644 --- a/actionpack/lib/action_view/base.rb +++ b/actionpack/lib/action_view/base.rb @@ -1,16 +1,3 @@ -require 'erb' -require 'builder' - -class ERB - module Util - HTML_ESCAPE = { '&' => '&', '"' => '"', '>' => '>', '<' => '<' } - - def html_escape(s) - s.to_s.gsub(/[&\"><]/) { |special| HTML_ESCAPE[special] } - end - end -end - module ActionView #:nodoc: class ActionViewError < StandardError #:nodoc: end @@ -228,15 +215,8 @@ module ActionView #:nodoc: cattr_reader :computed_public_paths @@computed_public_paths = {} - @@templates_requiring_setup = Set.new(%w(builder rxml rjs)) - - # Order of template handers checked by #file_exists? depending on the current #template_format - DEFAULT_TEMPLATE_HANDLER_PREFERENCE = [:erb, :rhtml, :builder, :rxml, :javascript, :delegate] - TEMPLATE_HANDLER_PREFERENCES = { - :js => [:javascript, :erb, :rhtml, :builder, :rxml, :delegate], - :xml => [:builder, :rxml, :erb, :rhtml, :javascript, :delegate], - :delegate => [:delegate] - } + @@template_handlers = {} + @@default_template_handlers = nil class ObjectWrapper < Struct.new(:value) #:nodoc: end @@ -260,10 +240,26 @@ module ActionView #:nodoc: # local assigns available to the template. The #render method ought to # return the rendered template as a string. def self.register_template_handler(extension, klass) - TEMPLATE_HANDLER_PREFERENCES[extension.to_sym] = TEMPLATE_HANDLER_PREFERENCES[:delegate] - @@template_handlers[extension] = klass + @@template_handlers[extension.to_sym] = klass + end + + def self.register_default_template_handler(extension, klass) + register_template_handler(extension, klass) + @@default_template_handlers = klass + end + + def self.handler_for_extension(extension) + @@template_handlers[extension.to_sym] || @@default_template_handlers end + register_default_template_handler :erb, TemplateHandlers::ERB + register_template_handler :rjs, TemplateHandlers::RJS + register_template_handler :builder, TemplateHandlers::Builder + + # TODO: Depreciate old template extensions + register_template_handler :rhtml, TemplateHandlers::ERB + register_template_handler :rxml, TemplateHandlers::Builder + def initialize(view_paths = [], assigns_for_first_render = {}, controller = nil)#:nodoc: @view_paths = view_paths.respond_to?(:find) ? view_paths.dup : [*view_paths].compact @assigns = assigns_for_first_render @@ -297,7 +293,7 @@ If you are rendering a subtemplate, you must now use controller-like partial syn else template_extension = pick_template_extension(template_path).to_s unless template_extension - raise ActionViewError, "No #{template_handler_preferences.to_sentence} template found for #{template_path} in #{view_paths.inspect}" + raise ActionViewError, "No template found for #{template_path} in #{view_paths.inspect}" end template_file_name = full_template_path(template_path, template_extension) template_extension = template_extension.gsub(/^.+\./, '') # strip off any formats @@ -359,11 +355,13 @@ If you are rendering a subtemplate, you must now use controller-like partial syn # Renders the +template+ which is given as a string as either erb or builder depending on <tt>template_extension</tt>. # The hash in <tt>local_assigns</tt> is made available as local variables. def render_template(template_extension, template, file_path = nil, local_assigns = {}) #:nodoc: - if handler = @@template_handlers[template_extension] + handler = self.class.handler_for_extension(template_extension) + + if template_handler_is_compilable?(handler) + compile_and_render_template(template_extension, template, file_path, local_assigns) + else template ||= read_template_file(file_path, template_extension) # Make sure that a lazyily-read template is loaded. delegate_render(handler, template, local_assigns) - else - compile_and_render_template(template_extension, template, file_path, local_assigns) end end @@ -422,31 +420,6 @@ If you are rendering a subtemplate, you must now use controller-like partial syn end end - def delegate_template_exists?(template_path)#:nodoc: - delegate = @@template_handlers.find { |k,| template_exists?(template_path, k) } - delegate && delegate.first.to_sym - end - - def erb_template_exists?(template_path)#:nodoc: - template_exists?(template_path, :erb) - end - - def builder_template_exists?(template_path)#:nodoc: - template_exists?(template_path, :builder) - end - - def rhtml_template_exists?(template_path)#:nodoc: - template_exists?(template_path, :rhtml) - end - - def rxml_template_exists?(template_path)#:nodoc: - template_exists?(template_path, :rxml) - end - - def javascript_template_exists?(template_path)#:nodoc: - template_exists?(template_path, :rjs) - end - def file_exists?(template_path)#:nodoc: template_file_name, template_file_extension = path_and_extension(template_path) if template_file_extension @@ -468,10 +441,6 @@ If you are rendering a subtemplate, you must now use controller-like partial syn @template_format = format.blank? ? :html : format.to_sym end - def template_handler_preferences - TEMPLATE_HANDLER_PREFERENCES[template_format] || DEFAULT_TEMPLATE_HANDLER_PREFERENCE - end - # Adds a view_path to the front of the view_paths array. # This change affects the current request only. # @@ -530,17 +499,9 @@ If you are rendering a subtemplate, you must now use controller-like partial syn def find_template_extension_from_handler(template_path, formatted = nil) checked_template_path = formatted ? "#{template_path}.#{template_format}" : template_path - template_handler_preferences.each do |template_type| - extension = - case template_type - when :javascript - template_exists?(checked_template_path, :rjs) && :rjs - when :delegate - delegate_template_exists?(checked_template_path) - else - template_exists?(checked_template_path, template_type) && template_type - end - if extension + + @@template_handlers.each do |extension,| + if template_exists?(checked_template_path, extension) return formatted ? "#{template_format}.#{extension}" : extension.to_s end end @@ -569,6 +530,14 @@ If you are rendering a subtemplate, you must now use controller-like partial syn handler.new(self).render(template, local_assigns) end + def delegate_compile(handler, template) + handler.new(self).compile(template) + end + + def template_handler_is_compilable?(handler) + handler.new(self).respond_to?(:compile) + end + # Assigns instance variables from the controller to the view. def assign_variables_from_controller @assigns.each { |key, value| instance_variable_set("@#{key}", value) } @@ -609,21 +578,9 @@ If you are rendering a subtemplate, you must now use controller-like partial syn # Method to create the source code for a given template. def create_template_source(extension, template, render_symbol, locals) - if template_requires_setup?(extension) - body = case extension.to_sym - when :rxml, :builder - content_type_handler = (controller.respond_to?(:response) ? "controller.response" : "controller") - "#{content_type_handler}.content_type ||= Mime::XML\n" + - "xml = Builder::XmlMarkup.new(:indent => 2)\n" + - template + - "\nxml.target!\n" - when :rjs - "controller.response.content_type ||= Mime::JS\n" + - "update_page do |page|\n#{template}\nend" - end - else - body = ERB.new(template, nil, @@erb_trim_mode).src - end + # TODO: Have handler passed to this method because was already looked up in render_template + handler = self.class.handler_for_extension(extension) + body = delegate_compile(handler, template) @@template_args[render_symbol] ||= {} locals_keys = @@template_args[render_symbol].keys | locals @@ -637,10 +594,6 @@ If you are rendering a subtemplate, you must now use controller-like partial syn "def #{render_symbol}(local_assigns)\n#{locals_code}#{body}\nend" end - def template_requires_setup?(extension) #:nodoc: - @@templates_requiring_setup.include? extension.to_s - end - def assign_method_name(extension, template, file_name) method_key = file_name || template @@method_names[method_key] ||= compiled_method_name(extension, template, file_name) @@ -666,6 +619,7 @@ If you are rendering a subtemplate, you must now use controller-like partial syn render_symbol = assign_method_name(extension, template, file_name) render_source = create_template_source(extension, template, render_symbol, local_assigns.keys) + # TODO: Push line_offset logic into appropriate TemplateHandler class line_offset = @@template_args[render_symbol].size if extension case extension.to_sym @@ -695,5 +649,3 @@ If you are rendering a subtemplate, you must now use controller-like partial syn end end end - -require 'action_view/template_error' diff --git a/actionpack/lib/action_view/template_handler.rb b/actionpack/lib/action_view/template_handler.rb new file mode 100644 index 0000000000..8b339f595b --- /dev/null +++ b/actionpack/lib/action_view/template_handler.rb @@ -0,0 +1,13 @@ +module ActionView + class TemplateHandler + def initialize(view) + @view = view + end + + def render(template, local_assigns) + end + + def compile(template) + end + end +end diff --git a/actionpack/lib/action_view/template_handlers/builder.rb b/actionpack/lib/action_view/template_handlers/builder.rb new file mode 100644 index 0000000000..a9fc069f88 --- /dev/null +++ b/actionpack/lib/action_view/template_handlers/builder.rb @@ -0,0 +1,15 @@ +require 'builder' + +module ActionView + module TemplateHandlers + class Builder < TemplateHandler + def compile(template) + content_type_handler = (@view.send!(:controller).respond_to?(:response) ? "controller.response" : "controller") + "#{content_type_handler}.content_type ||= Mime::XML\n" + + "xml = Builder::XmlMarkup.new(:indent => 2)\n" + + template + + "\nxml.target!\n" + end + end + end +end diff --git a/actionpack/lib/action_view/template_handlers/erb.rb b/actionpack/lib/action_view/template_handlers/erb.rb new file mode 100644 index 0000000000..f1b800cb53 --- /dev/null +++ b/actionpack/lib/action_view/template_handlers/erb.rb @@ -0,0 +1,21 @@ +require 'erb' + +class ERB + module Util + HTML_ESCAPE = { '&' => '&', '"' => '"', '>' => '>', '<' => '<' } + + def html_escape(s) + s.to_s.gsub(/[&\"><]/) { |special| HTML_ESCAPE[special] } + end + end +end + +module ActionView + module TemplateHandlers + class ERB < TemplateHandler + def compile(template) + ::ERB.new(template, nil, @view.erb_trim_mode).src + end + end + end +end diff --git a/actionpack/lib/action_view/template_handlers/rjs.rb b/actionpack/lib/action_view/template_handlers/rjs.rb new file mode 100644 index 0000000000..300f9890e9 --- /dev/null +++ b/actionpack/lib/action_view/template_handlers/rjs.rb @@ -0,0 +1,10 @@ +module ActionView + module TemplateHandlers + class RJS < TemplateHandler + def compile(template) + "controller.response.content_type ||= Mime::JS\n" + + "update_page do |page|\n#{template}\nend" + end + end + end +end |