added sassify and scssify filters fot converting sass and scss strings to css

lib/jekyll/filters.rb

@@ -25,6 +25,28 @@ module Jekyll
       converter.convert(input)
     end
 
+    # Convert a Sass string into CSS output.
+    #
+    # input - The Sass String to convert.
+    #
+    # Returns the CSS formatted String.
+    def sassify(input)
+      site = @context.registers[:site]
+      converter = site.getConverterImpl(Jekyll::Converters::Sass)
+      converter.convert(input)
+    end
+
+    # Convert a Scss string into CSS output.
+    #
+    # input - The Scss String to convert.
+    #
+    # Returns the CSS formatted String.
+    def scssify(input)
+      site = @context.registers[:site]
+      converter = site.getConverterImpl(Jekyll::Converters::Scss)
+      converter.convert(input)
+    end
+
     # Format a date in short format e.g. "27 Jan 2011".
     #
     # date - the Time to format.

test/test_filters.rb

@@ -34,6 +34,14 @@ class TestFilters < Test::Unit::TestCase
       assert_equal "<p>something <strong>really</strong> simple</p>\n", @filter.markdownify("something **really** simple")
     end
 
+    should "sassify with simple string" do
+      assert_equal "p {\n  color: #123456; }\n", @filter.sassify("$blue:#123456\np\n  color: $blue")
+    end
+
+    should "scssify with simple string" do
+      assert_equal "p {\n  color: #123456; }\n", @filter.scssify("$blue:#123456; p{color: $blue}")
+    end
+
     should "convert array to sentence string with no args" do
       assert_equal "", @filter.array_to_sentence_string([])
     end