project.rb in polymer-1.0.0.beta.5

- old
+ new

@@ -41,10 +41,17 @@
     #
     # @return [Array<Polymer::Sprite>]
     #
     attr_reader :sprites
 
+    # Returns a subset of +sprites+ containing sprites which are to be written
+    # as a data URI in a Sass file.
+    #
+    # @return [Array<Polymer::Sprite>]
+    #
+    attr_reader :data_uri_sprites
+
     # Creates a new Project.
     #
     # Note that +new+ does not validation of the given paths or options; it
     # expects them to be correct. You're probably better using +DSL.build+.
     #
@@ -70,19 +77,27 @@
       @sprites   = sprites
 
       @sass      = extract_path :sass,  options
       @css       = extract_path :css,   options
       @cachefile = extract_path :cache, options
+
+      # Sprites which are to be saved as a data URI need to have a save
+      # path explicitly set.
+      @data_uri_sprites = @sprites.select do |sprite|
+        if sprite.save_path == :data_uri
+          sprite.save_path = tmpdir.join("#{sprite.name.to_s}.png")
+        end
+      end
     end
 
     # Returns the sprite whose name is +name+.
     #
     # @param [String] name
     #   The name of the sprite to be retrieved.
     #
     # @return [Polymer::Sprite] The sprite.
-    # @return [nil]           If no such sprite exists.
+    # @return [nil]             If no such sprite exists.
     #
     def sprite(name)
       sprites.detect { |sprite| sprite.name == name }
     end
 
@@ -99,9 +114,20 @@
     #
     # @return [Polymer::Cache]
     #
     def cache
       @cache ||= Polymer::Cache.new(@cachefile)
+    end
+
+    # Returns a path to a temporary directory which may be used by this
+    # project.
+    #
+    # The temporary directory will be created if it does not already exist.
+    #
+    # @return [Pathname] Path to the temporary directory.
+    #
+    def tmpdir
+      @tmpdir ||= Pathname.new(Dir.mktmpdir).tap { |p| p.mkpath }
     end
 
     private # ================================================================
 
     # Extracts a path, typically specified in the DSL, and converts it to