Number literal.

git-svn-id: svn://hamptoncatlin.com/haml/trunk@251 7063305b-7217-0410-af8c-cdc13e5119b9

lib/sass/constant/number.rb

@@ -0,0 +1,13 @@
+module Sass::Constant
+  class Number
+    def initialize(value)
+      value = value.to_f
+      value = value.to_i if value % 1 == 0.0
+      @value = value
+    end
+    
+    def to_s
+      @value.to_s
+    end
+  end
+end

lib/sass/constant/operation.rb

@@ -1,4 +1,5 @@
 require 'sass/constant/string'
+require 'sass/constant/number'
 
 module Sass::Constant
   class Operation
@@ -9,14 +10,19 @@ module Sass::Constant
     end
     
     def parse(value)
-      Sass::Constant::String.new(value)
+      case value
+        when /^[0-9]*\.?[0-9]+$/ # Number with one or zero decimal points
+          Sass::Constant::Number.new(value)
+        else
+          Sass::Constant::String.new(value)
+      end
     end
     
     def perform
-      if @operator
-      else
+      #if @operator
+      #else
         @operand1.to_s
-      end
+      #end
     end
   end
 end

lib/sass/engine.rb

@@ -126,7 +126,9 @@ module Sass
     end
     
     def parse_constant(line)
-      name, value = line.scan(/^#{Regexp.escape(CONSTANT_CHAR.chr)}([^\s=]+)\s*=\s*(.+)/)[0]
+      not_in_name = Sass::Constant::SYMBOLS.keys + [ Sass::Constant::ESCAPE_CHAR, '='[0] ]
+      not_in_name.map! { |c| "\\#{c.chr}" }
+      name, value = line.scan(/^#{Regexp.escape(CONSTANT_CHAR.chr)}([^\s#{not_in_name.join}]+)\s*=\s*(.+)/)[0]
       raise "Invalid constant assignment:\n#{line}" unless name && value
       @constants[name] = Sass::Constant.parse(value, @constants)
       nil

test/sass/results/constants.css

@@ -1,2 +1,2 @@
 #main { width: 500px; background-color: #000; color: #fff; }
-#main #sidebar { background-color: #00ff98; }
+#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 +1,11 @@
 !width = 500px
 !color = #00ff98
 !main_text = #fff
+!num = 10
+!dec = 10.2
+!dec_0 = 99.0
+!neg = -10
+!esc= 10\+12
 
 #main
   :width= !width
@@ -8,3 +13,9 @@
   :color= !main_text
   #sidebar
     :background-color= !color
+    :num
+      :normal= !num
+      :dec= !dec
+      :dec0= !dec_0
+      :neg= !neg
+    :esc= !esc