From b88f4ca93bcaef9a6bfd21d95acc8f432a3c8e5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@gmail.com>
Date: Sun, 10 Oct 2010 11:03:18 +0200
Subject: Clean up the house before moving in the new furniture.

This commit moves all the template rendering logic that was hanging around AV::Base to renderer objects.
---
 .../lib/action_view/renderer/abstract_renderer.rb  | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 actionpack/lib/action_view/renderer/abstract_renderer.rb

(limited to 'actionpack/lib/action_view/renderer/abstract_renderer.rb')

diff --git a/actionpack/lib/action_view/renderer/abstract_renderer.rb b/actionpack/lib/action_view/renderer/abstract_renderer.rb
new file mode 100644
index 0000000000..f9fa63ce7f
--- /dev/null
+++ b/actionpack/lib/action_view/renderer/abstract_renderer.rb
@@ -0,0 +1,36 @@
+module ActionView
+  class AbstractRenderer #:nodoc:
+    attr_reader :vew, :lookup_context
+
+    delegate :find_template, :template_exists?, :with_fallbacks, :update_details,
+      :with_layout_format, :formats, :to => :lookup_context
+
+    def initialize(view)
+      @view = view
+      @lookup_context = view.lookup_context
+    end
+
+    def render
+      raise NotImplementedError
+    end
+
+    # Contains the logic that actually renders the layout.
+    def render_layout(layout, locals, &block) #:nodoc:
+      view = @view
+      layout.render(view, locals){ |*name| view._layout_for(*name, &block) }
+    end
+
+    # Checks if the given path contains a format and if so, change
+    # the lookup context to take this new format into account.
+    def wrap_formats(value)
+      return yield unless value.is_a?(String)
+      @@formats_regexp ||= /\.(#{Mime::SET.symbols.join('|')})$/
+
+      if value.sub!(@@formats_regexp, "")
+        update_details(:formats => [$1.to_sym]){ yield }
+      else
+        yield
+      end
+    end
+  end
+end
\ No newline at end of file
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