Merge branch 'master' into active_model

Conflicts:
	activeresource/lib/active_resource/validations.rb

7 files changed, 312 insertions, 0 deletions

diff --git a/actionpack/lib/action_controller/abstract/base.rb b/actionpack/lib/action_controller/abstract/base.rb
new file mode 100644
index 0000000000..ade7719cc0
--- /dev/null
+++ b/actionpack/lib/action_controller/abstract/base.rb
@@ -0,0 +1,41 @@
+module AbstractController
+  class Base
+    
+    attr_internal :response_body
+    attr_internal :response_obj
+    attr_internal :action_name
+    
+    def self.process(action)
+      new.process(action)
+    end
+    
+    def self.inherited(klass)
+    end
+    
+    def initialize
+      self.response_obj = {}
+    end
+    
+    def process(action_name)
+      unless respond_to_action?(action_name)
+        raise ActionNotFound, "The action '#{action_name}' could not be found"
+      end
+      
+      @_action_name = action_name
+      process_action
+      self.response_obj[:body] = self.response_body
+      self
+    end
+    
+  private
+  
+    def process_action
+      respond_to?(action_name) ? send(action_name) : send(:action_missing, action_name)
+    end
+    
+    def respond_to_action?(action_name)
+      respond_to?(action_name) || respond_to?(:action_missing, true)
+    end
+    
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/abstract/callbacks.rb b/actionpack/lib/action_controller/abstract/callbacks.rb
new file mode 100644
index 0000000000..c8b509081c
--- /dev/null
+++ b/actionpack/lib/action_controller/abstract/callbacks.rb
@@ -0,0 +1,40 @@
+module AbstractController
+  module Callbacks
+    setup do
+      include ActiveSupport::NewCallbacks
+      define_callbacks :process_action      
+    end
+    
+    def process_action
+      _run_process_action_callbacks(action_name) do
+        super
+      end
+    end
+    
+    module ClassMethods
+      def _normalize_callback_options(options)
+        if only = options[:only]
+          only = Array(only).map {|o| "action_name == :#{o}"}.join(" || ")
+          options[:per_key] = {:if => only}
+        end
+        if except = options[:except]
+          except = Array(except).map {|e| "action_name == :#{e}"}.join(" || ")          
+          options[:per_key] = {:unless => except}
+        end
+      end
+      
+      [:before, :after, :around].each do |filter|
+        class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
+          def #{filter}_filter(*names, &blk)
+            options = names.last.is_a?(Hash) ? names.pop : {}
+            _normalize_callback_options(options)
+            names.push(blk) if block_given?
+            names.each do |name|
+              process_action_callback(:#{filter}, name, options)
+            end
+          end
+        RUBY_EVAL
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/abstract/exceptions.rb b/actionpack/lib/action_controller/abstract/exceptions.rb
new file mode 100644
index 0000000000..ec4680629b
--- /dev/null
+++ b/actionpack/lib/action_controller/abstract/exceptions.rb
@@ -0,0 +1,3 @@
+module AbstractController
+  class ActionNotFound < StandardError ; end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/abstract/helpers.rb b/actionpack/lib/action_controller/abstract/helpers.rb
new file mode 100644
index 0000000000..1f0b38417b
--- /dev/null
+++ b/actionpack/lib/action_controller/abstract/helpers.rb
@@ -0,0 +1,59 @@
+module AbstractController
+  module Helpers
+    depends_on Renderer
+    
+    setup do
+      extlib_inheritable_accessor :master_helper_module
+      self.master_helper_module = Module.new
+    end
+  
+    # def self.included(klass)
+    #   klass.class_eval do
+    #     extlib_inheritable_accessor :master_helper_module
+    #     self.master_helper_module = Module.new
+    #   end
+    # end
+    
+    def _action_view
+      @_action_view ||= begin
+        av = super
+        av.helpers.send(:include, master_helper_module)
+        av
+      end
+    end
+    
+    module ClassMethods
+      def inherited(klass)
+        klass.master_helper_module = Module.new
+        klass.master_helper_module.__send__ :include, master_helper_module
+        
+        super
+      end
+      
+      def add_template_helper(mod)
+        master_helper_module.module_eval { include mod }
+      end
+      
+      def helper_method(*meths)
+        meths.flatten.each do |meth|
+          master_helper_module.class_eval <<-ruby_eval, __FILE__, __LINE__ + 1
+            def #{meth}(*args, &blk)
+              controller.send(%(#{meth}), *args, &blk)
+            end
+          ruby_eval
+        end
+      end
+      
+      def helper(*args, &blk)
+        args.flatten.each do |arg|
+          case arg
+          when Module
+            add_template_helper(arg)
+          end
+        end
+        master_helper_module.module_eval(&blk) if block_given?
+      end
+    end
+    
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/abstract/layouts.rb b/actionpack/lib/action_controller/abstract/layouts.rb
new file mode 100644
index 0000000000..478b301a26
--- /dev/null
+++ b/actionpack/lib/action_controller/abstract/layouts.rb
@@ -0,0 +1,82 @@
+module AbstractController
+  module Layouts
+    
+    depends_on Renderer
+        
+    module ClassMethods
+      def layout(layout)
+        unless [String, Symbol, FalseClass, NilClass].include?(layout.class)
+          raise ArgumentError, "Layouts must be specified as a String, Symbol, false, or nil"
+        end
+        
+        @_layout = layout || false # Converts nil to false
+        _write_layout_method
+      end
+      
+      def _implied_layout_name
+        name.underscore
+      end
+      
+      # Takes the specified layout and creates a _layout method to be called
+      # by _default_layout
+      # 
+      # If the specified layout is a:
+      # String:: return the string
+      # Symbol:: call the method specified by the symbol
+      # false::  return nil
+      # none::   If a layout is found in the view paths with the controller's
+      #          name, return that string. Otherwise, use the superclass'
+      #          layout (which might also be implied)
+      def _write_layout_method
+        case @_layout
+        when String
+          self.class_eval %{def _layout() #{@_layout.inspect} end}
+        when Symbol
+          self.class_eval %{def _layout() #{@_layout} end}
+        when false
+          self.class_eval %{def _layout() end}
+        else
+          self.class_eval %{
+            def _layout
+              if view_paths.find_by_parts?("#{_implied_layout_name}", formats, "layouts")
+                "#{_implied_layout_name}"
+              else
+                super
+              end
+            end
+          }
+        end
+      end
+    end
+    
+    def _render_template(template, options)
+      _action_view._render_template_with_layout(template, options[:_layout])
+    end
+        
+  private
+  
+    def _layout() end # This will be overwritten
+    
+    def _layout_for_name(name)
+      unless [String, FalseClass, NilClass].include?(name.class)
+        raise ArgumentError, "String, false, or nil expected; you passed #{name.inspect}"
+      end
+      
+      name && view_paths.find_by_parts(name, formats, "layouts")
+    end
+    
+    def _default_layout(require_layout = false)
+      if require_layout && !_layout
+        raise ArgumentError, 
+          "There was no default layout for #{self.class} in #{view_paths.inspect}"
+      end
+        
+      begin
+        layout = _layout_for_name(_layout)
+      rescue NameError => e
+        raise NoMethodError, 
+          "You specified #{@_layout.inspect} as the layout, but no such method was found"
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/abstract/logger.rb b/actionpack/lib/action_controller/abstract/logger.rb
new file mode 100644
index 0000000000..4117369bd4
--- /dev/null
+++ b/actionpack/lib/action_controller/abstract/logger.rb
@@ -0,0 +1,7 @@
+module AbstractController
+  module Logger
+    setup do
+      cattr_accessor :logger
+    end
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/abstract/renderer.rb b/actionpack/lib/action_controller/abstract/renderer.rb
new file mode 100644
index 0000000000..a86eef889e
--- /dev/null
+++ b/actionpack/lib/action_controller/abstract/renderer.rb
@@ -0,0 +1,80 @@
+require "action_controller/abstract/logger"
+
+module AbstractController
+  module Renderer
+    depends_on AbstractController::Logger
+    
+    setup do
+      attr_internal :formats
+      
+      extlib_inheritable_accessor :_view_paths
+      
+      self._view_paths ||= ActionView::PathSet.new
+    end
+        
+    def _action_view
+      @_action_view ||= ActionView::Base.new(self.class.view_paths, {}, self)      
+    end
+        
+    def render(options = {})
+      self.response_body = render_to_body(options)
+    end
+    
+    # Raw rendering of a template to a Rack-compatible body.
+    # ====
+    # @option _prefix<String> The template's path prefix
+    # @option _layout<String> The relative path to the layout template to use
+    # 
+    # :api: plugin
+    def render_to_body(options = {})
+      name = options[:_template_name] || action_name
+      
+      template = options[:_template] || view_paths.find_by_parts(name.to_s, formats, options[:_prefix])
+      _render_template(template, options)
+    end
+
+    # Raw rendering of a template to a string.
+    # ====
+    # @option _prefix<String> The template's path prefix
+    # @option _layout<String> The relative path to the layout template to use
+    # 
+    # :api: plugin
+    def render_to_string(options = {})
+      AbstractController::Renderer.body_to_s(render_to_body(options))
+    end
+
+    def _render_template(template, options)
+      _action_view._render_template_with_layout(template)
+    end
+    
+    def view_paths() _view_paths end
+
+    # Return a string representation of a Rack-compatible response body.
+    def self.body_to_s(body)
+      if body.respond_to?(:to_str)
+        body
+      else
+        strings = []
+        body.each { |part| strings << part.to_s }
+        body.close if body.respond_to?(:close)
+        strings.join
+      end
+    end
+
+    module ClassMethods
+      
+      def append_view_path(path)
+        self.view_paths << path
+      end
+      
+      def view_paths
+        self._view_paths
+      end
+      
+      def view_paths=(paths)
+        self._view_paths = paths.is_a?(ActionView::PathSet) ?
+                            paths : ActionView::Base.process_view_paths(paths)
+      end
+    end
+  end
+end