Color literal.

git-svn-id: svn://hamptoncatlin.com/haml/trunk@253 7063305b-7217-0410-af8c-cdc13e5119b9

lib/sass/constant/operation.rb

@@ -1,8 +1,15 @@
 require 'sass/constant/string'
 require 'sass/constant/number'
+require 'sass/constant/color'
 
 module Sass::Constant
   class Operation
+    # The regular expression matching numbers.
+    NUMBER  = /^[0-9]*\.?[0-9]+$/
+  
+    # The regular expression matching colors.
+    COLOR = /^\#(#{"[0-9a-f]" * 3}|#{"[0-9a-f]" * 6})/
+  
     def initialize(operand1, operand2=nil, operator=nil)
       @operand1 = parse(operand1)
       @operand2 = parse(operand2) if operand2
@@ -11,8 +18,10 @@ module Sass::Constant
     
     def parse(value)
       case value
-        when /^[0-9]*\.?[0-9]+$/ # Number with one or zero decimal points
+        when NUMBER
           Sass::Constant::Number.new(value)
+        when COLOR
+          Sass::Constant::Color.new(value)
         else
           Sass::Constant::String.new(value)
       end

test/sass/results/constants.css

@@ -1,2 +1,2 @@
-#main { width: 500px; background-color: #000; color: #fff; }
+#main { width: 500px; background-color: #000; color: #ffffaf; }
 #main #sidebar { background-color: #00ff98; num-normal: 10; num-dec: 10.2; num-dec0: 99; num-neg: -10; esc: 10+12; }

test/sass/templates/constants.sass

@@ -1,6 +1,6 @@
 !width = 500px
 !color = #00ff98
-!main_text = #fff
+!main_text = #ffa
 !num = 10
 !dec = 10.2
 !dec_0 = 99.0