From 692dbbf79387b56e241e1acd05f74f7d71ff79a6 Mon Sep 17 00:00:00 2001
From: Michael Koziarski <michael@koziarski.com>
Date: Wed, 6 Feb 2008 04:26:40 +0000
Subject: Introduce a Template class to ActionView.  Closes #11024 [lifofifo]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8805 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/lib/action_view/template.rb | 65 ++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 actionpack/lib/action_view/template.rb

(limited to 'actionpack/lib/action_view/template.rb')

diff --git a/actionpack/lib/action_view/template.rb b/actionpack/lib/action_view/template.rb
new file mode 100644
index 0000000000..a814d7b4e5
--- /dev/null
+++ b/actionpack/lib/action_view/template.rb
@@ -0,0 +1,65 @@
+module ActionView #:nodoc:
+  class Template #:nodoc:
+
+    attr_accessor :locals
+    attr_reader :handler, :path, :source, :extension, :filename, :path_without_extension
+
+    def initialize(view, path_or_source, use_full_path, locals = {}, inline = false, inline_type = nil)
+      @view = view
+      @finder = @view.finder
+
+      unless inline
+        # Clear the forward slash at the beginning if exists
+        @path = use_full_path ? path_or_source.sub(/^\//, '') : path_or_source
+        @view.first_render ||= @path
+        @source = nil # Don't read the source until we know that it is required
+        set_extension_and_file_name(use_full_path)
+      else
+        @source = path_or_source
+        @extension = inline_type
+      end
+      @locals = locals || {}
+    end
+
+    def source
+      @source ||= File.read(self.filename)
+    end
+
+    def method_key
+      @method_key ||= (@filename || @source)
+    end
+
+    def handler
+      @handler ||= @view.class.handler_class_for_extension(@extension).new(@view)
+    end
+
+    def base_path_for_exception
+      @finder.find_base_path_for("#{@path_without_extension}.#{@extension}") || @finder.view_paths.first
+    end
+
+    private
+
+    def set_extension_and_file_name(use_full_path)
+      @path_without_extension, @extension = @finder.path_and_extension(@path)
+      if use_full_path
+        if @extension
+          @filename = @finder.pick_template(@path_without_extension, @extension)
+        else
+          @extension = @finder.pick_template_extension(@path).to_s
+          unless @extension
+            raise ActionViewError, "No template found for #{@path} in #{@finder.view_paths.inspect}"
+          end
+          @filename = @finder.pick_template(@path, @extension)
+          @extension = @extension.gsub(/^.+\./, '') # strip off any formats
+        end
+      else
+        @filename = @path
+      end
+
+      if @filename.blank?
+        raise ActionViewError, "Couldn't find template file for #{@path} in #{@finder.view_paths.inspect}"
+      end
+    end
+
+  end
+end
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