Froze rails gems

[depot.git] / vendor / rails / actionpack / lib / action_view / template.rb

diff --git a/vendor/rails/actionpack/lib/action_view/template.rb b/vendor/rails/actionpack/lib/action_view/template.rb
new file mode 100644 (file)
index 0000000..1280858
--- /dev/null
+++ b/vendor/rails/actionpack/lib/action_view/template.rb
@@ -0,0 +1,116 @@
+require 'action_controller/mime_type'
+
+module ActionView #:nodoc:
+  class Template
+    extend TemplateHandlers
+    extend ActiveSupport::Memoizable
+    include Renderable
+
+    attr_accessor :filename, :load_path, :base_path, :name, :format, :extension
+    delegate :to_s, :to => :path
+
+    def initialize(template_path, load_paths = [])
+      template_path = template_path.dup
+      @base_path, @name, @format, @extension = split(template_path)
+      @base_path.to_s.gsub!(/\/$/, '') # Push to split method
+      @load_path, @filename = find_full_path(template_path, load_paths)
+
+      # Extend with partial super powers
+      extend RenderablePartial if @name =~ /^_/
+    end
+
+    def format_and_extension
+      (extensions = [format, extension].compact.join(".")).blank? ? nil : extensions
+    end
+    memoize :format_and_extension
+
+    def multipart?
+      format && format.include?('.')
+    end
+
+    def content_type
+      format.gsub('.', '/')
+    end
+
+    def mime_type
+      Mime::Type.lookup_by_extension(format) if format
+    end
+    memoize :mime_type
+
+    def path
+      [base_path, [name, format, extension].compact.join('.')].compact.join('/')
+    end
+    memoize :path
+
+    def path_without_extension
+      [base_path, [name, format].compact.join('.')].compact.join('/')
+    end
+    memoize :path_without_extension
+
+    def path_without_format_and_extension
+      [base_path, name].compact.join('/')
+    end
+    memoize :path_without_format_and_extension
+
+    def relative_path
+      path = File.expand_path(filename)
+      path.sub!(/^#{Regexp.escape(File.expand_path(RAILS_ROOT))}\//, '') if defined?(RAILS_ROOT)
+      path
+    end
+    memoize :relative_path
+
+    def source
+      File.read(filename)
+    end
+    memoize :source
+
+    def method_segment
+      relative_path.to_s.gsub(/([^a-zA-Z0-9_])/) { $1.ord }
+    end
+    memoize :method_segment
+
+    def render_template(view, local_assigns = {})
+      render(view, local_assigns)
+    rescue Exception => e
+      raise e unless filename
+      if TemplateError === e
+        e.sub_template_of(self)
+        raise e
+      else
+        raise TemplateError.new(self, view.assigns, e)
+      end
+    end
+
+    private
+      def valid_extension?(extension)
+        Template.template_handler_extensions.include?(extension)
+      end
+
+      def find_full_path(path, load_paths)
+        load_paths = Array(load_paths) + [nil]
+        load_paths.each do |load_path|
+          file = [load_path, path].compact.join('/')
+          return load_path, file if File.file?(file)
+        end
+        raise MissingTemplate.new(load_paths, path)
+      end
+
+      # Returns file split into an array
+      #   [base_path, name, format, extension]
+      def split(file)
+        if m = file.match(/^(.*\/)?([^\.]+)\.?(\w+)?\.?(\w+)?\.?(\w+)?$/)
+          if m[5] # Multipart formats
+            [m[1], m[2], "#{m[3]}.#{m[4]}", m[5]]
+          elsif m[4] # Single format
+            [m[1], m[2], m[3], m[4]]
+          else
+            if valid_extension?(m[3]) # No format
+              [m[1], m[2], nil, m[3]]
+            else # No extension
+              [m[1], m[2], m[3], nil]
+            end
+          end
+        end
+      end
+  end
+end