[Compass Core] A new helper function stylesheet_url(path) can now be used to refer to assets that are relative to the css directory.

lib/compass/configuration.rb

@@ -143,8 +143,9 @@ module Compass
       end
     end
 
-    def mk_http_path(path)
-      hp = http_path[0..-2] if http_path[-1..-1] == "/"
+    def root_relative(path)
+      hp = http_path || default_http_path
+      hp = hp[0..-2] if hp[-1..-1] == "/"
       "#{hp}/#{path}"
     end
 

lib/compass/sass_extensions/functions.rb

@@ -1,14 +1,14 @@
 module Compass::SassExtensions::Functions
 end
 
-['selectors', 'enumerate', 'image_url', 'display', 'inline_image'].each do |func|
+['selectors', 'enumerate', 'urls', 'display', 'inline_image'].each do |func|
   require File.join(File.dirname(__FILE__), 'functions', func)
 end
 
 module Sass::Script::Functions
   include Compass::SassExtensions::Functions::Selectors
   include Compass::SassExtensions::Functions::Enumerate
-  include Compass::SassExtensions::Functions::ImageUrl
+  include Compass::SassExtensions::Functions::Urls
   include Compass::SassExtensions::Functions::Display
   include Compass::SassExtensions::Functions::InlineImage
 end

lib/compass/sass_extensions/functions/urls.rb

@@ -1,4 +1,19 @@
-module Compass::SassExtensions::Functions::ImageUrl
+module Compass::SassExtensions::Functions::Urls
+
+  def stylesheet_url(path)
+    # Compute the path to the stylesheet, either root relative or stylesheet relative
+    # or nil if the http_images_path is not set in the configuration.
+    http_stylesheets_path = if relative?
+      compute_relative_path(Compass.configuration.css_dir)
+    elsif Compass.configuration.http_stylesheets_path
+      Compass.configuration.http_stylesheets_path
+    else
+      Compass.configuration.root_relative(Compass.configuration.css_dir)
+    end
+
+    url("#{http_stylesheets_path}/#{path}")
+  end
+
   def image_url(path)
     path = path.value # get to the string value of the literal.
     # Short curcuit if they have provided an absolute url.
@@ -10,9 +25,11 @@ module Compass::SassExtensions::Functions::ImageUrl
     # Compute the path to the image, either root relative or stylesheet relative
     # or nil if the http_images_path is not set in the configuration.
     http_images_path = if relative?
-      compute_relative_path
-    else
+      compute_relative_path(Compass.configuration.images_dir)
+    elsif Compass.configuration.http_stylesheets_path
       Compass.configuration.http_images_path
+    else
+      Compass.configuration.root_relative(Compass.configuration.images_dir)
     end
 
     # Compute the real path to the image on the file stystem if the images_dir is set.
@@ -37,23 +54,30 @@ module Compass::SassExtensions::Functions::ImageUrl
     # prepend the asset host if there is one.
     path = "#{asset_host}#{'/' unless path[0..0] == "/"}#{path}" if asset_host
 
-    Sass::Script::String.new("url(#{path})")
+    url(path)
+  end
+
+  # Emits a url, taking off any leading "./"
+  def url(url)
+    url = url.to_s
+    url = url[0..1] == "./" ? url[2..-1] : url
+    Sass::Script::String.new("url('#{url}')")
   end
 
   private
 
   def relative?
-    Compass.configuration.http_images_path == :relative
+    Compass.configuration.relative_assets?
   end
 
   def absolute_path?(path)
     path[0..0] == "/" || path[0..3] == "http"
   end
 
-  def compute_relative_path
+  def compute_relative_path(dir)
     if (target_css_file = options[:css_filename])
-      images_path = File.join(Compass.configuration.project_path, Compass.configuration.images_dir)
-      Pathname.new(images_path).relative_path_from(Pathname.new(File.dirname(target_css_file))).to_s
+      path = File.join(Compass.configuration.project_path, dir)
+      Pathname.new(path).relative_path_from(Pathname.new(File.dirname(target_css_file))).to_s
     end
   end
 

test/fixtures/stylesheets/image_urls/css/screen.css

@@ -1,3 +1,3 @@
-.showgrid { background-image: url(http://assets2.example.com/images/grid.png?busted=true); }
+.showgrid { background-image: url('http://assets2.example.com/images/grid.png?busted=true'); }
 
 .inlinegrid { background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAUEAYAAACv1qP4AAAABmJLR0T///////8JWPfcAAAACXBIWXMAAABIAAAASABGyWs+AAAAZ0lEQVRYw+3QwQ2AIBAFUTEUwI3+uzN7gDscsIgxEuO8An52J11X73OudfxMraXkzHfO3Y98nQEhA0IGhAwIGRAyIGRAyICQASEDQgaEDAgZEDIgZEDIgJABoZzSGK3tPuN9ERFP7Nw4fg+c5g8V1wAAAABJRU5ErkJggg=='); }