Refactor Action View template handlers. Closes #10437.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8341 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

3 files changed, 46 insertions, 0 deletions

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 = { '&' => '&amp;', '"' => '&quot;', '>' => '&gt;', '<' => '&lt;' }
+
+    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