css.rb in rouge-0.2.2

- old
+ new

@@ -7,98 +7,110 @@
       filenames '*.css'
       mimetypes 'text/css'
 
       identifier = /[a-zA-Z0-9_-]+/
       number = /-?(?:[0-9]+(\.[0-9]+)?|\.[0-9]+)/
-      keywords = %w(
-        azimuth background-attachment background-color
-        background-image background-position background-repeat
-        background border-bottom-color border-bottom-style
-        border-bottom-width border-left-color border-left-style
-        border-left-width border-right border-right-color
-        border-right-style border-right-width border-top-color
-        border-top-style border-top-width border-bottom
-        border-collapse border-left border-width border-color
-        border-spacing border-style border-top border caption-side
-        clear clip color content counter-increment counter-reset
-        cue-after cue-before cue cursor direction display
-        elevation empty-cells float font-family font-size
-        font-size-adjust font-stretch font-style font-variant
-        font-weight font height letter-spacing line-height
-        list-style-type list-style-image list-style-position
-        list-style margin-bottom margin-left margin-right
-        margin-top margin marker-offset marks max-height max-width
-        min-height min-width opacity orphans outline outline-color
-        outline-style outline-width overflow(?:-x -y ) padding-bottom
-        padding-left padding-right padding-top padding page
-        page-break-after page-break-before page-break-inside
-        pause-after pause-before pause pitch pitch-range
-        play-during position quotes richness right size
-        speak-header speak-numeral speak-punctuation speak
-        speech-rate stress table-layout text-align text-decoration
-        text-indent text-shadow text-transform top unicode-bidi
-        vertical-align visibility voice-family volume white-space
-        widows width word-spacing z-index bottom left
-        above absolute always armenian aural auto avoid baseline
-        behind below bidi-override blink block bold bolder both
-        capitalize center-left center-right center circle
-        cjk-ideographic close-quote collapse condensed continuous
-        crop crosshair cross cursive dashed decimal-leading-zero
-        decimal default digits disc dotted double e-resize embed
-        extra-condensed extra-expanded expanded fantasy far-left
-        far-right faster fast fixed georgian groove hebrew help
-        hidden hide higher high hiragana-iroha hiragana icon
-        inherit inline-table inline inset inside invert italic
-        justify katakana-iroha katakana landscape larger large
-        left-side leftwards level lighter line-through list-item
-        loud lower-alpha lower-greek lower-roman lowercase ltr
-        lower low medium message-box middle mix monospace
-        n-resize narrower ne-resize no-close-quote no-open-quote
-        no-repeat none normal nowrap nw-resize oblique once
-        open-quote outset outside overline pointer portrait px
-        relative repeat-x repeat-y repeat rgb ridge right-side
-        rightwards s-resize sans-serif scroll se-resize
-        semi-condensed semi-expanded separate serif show silent
-        slow slower small-caps small-caption smaller soft solid
-        spell-out square static status-bar super sw-resize
-        table-caption table-cell table-column table-column-group
-        table-footer-group table-header-group table-row
-        table-row-group text text-bottom text-top thick thin
-        transparent ultra-condensed ultra-expanded underline
-        upper-alpha upper-latin upper-roman uppercase url
-        visible w-resize wait wider x-fast x-high x-large x-loud
-        x-low x-small x-soft xx-large xx-small yes
-      )
 
-      builtins = %w(
-        indigo gold firebrick indianred yellow darkolivegreen
-        darkseagreen mediumvioletred mediumorchid chartreuse
-        mediumslateblue black springgreen crimson lightsalmon brown
-        turquoise olivedrab cyan silver skyblue gray darkturquoise
-        goldenrod darkgreen darkviolet darkgray lightpink teal
-        darkmagenta lightgoldenrodyellow lavender yellowgreen thistle
-        violet navy orchid blue ghostwhite honeydew cornflowerblue
-        darkblue darkkhaki mediumpurple cornsilk red bisque slategray
-        darkcyan khaki wheat deepskyblue darkred steelblue aliceblue
-        gainsboro mediumturquoise floralwhite coral purple lightgrey
-        lightcyan darksalmon beige azure lightsteelblue oldlace
-        greenyellow royalblue lightseagreen mistyrose sienna
-        lightcoral orangered navajowhite lime palegreen burlywood
-        seashell mediumspringgreen fuchsia papayawhip blanchedalmond
-        peru aquamarine white darkslategray ivory dodgerblue
-        lemonchiffon chocolate orange forestgreen slateblue olive
-        mintcream antiquewhite darkorange cadetblue moccasin
-        limegreen saddlebrown darkslateblue lightskyblue deeppink
-        plum aqua darkgoldenrod maroon sandybrown magenta tan
-        rosybrown pink lightblue palevioletred mediumseagreen
-        dimgray powderblue seagreen snow mediumblue midnightblue
-        paleturquoise palegoldenrod whitesmoke darkorchid salmon
-        lightslategray lawngreen lightgreen tomato hotpink
-        lightyellow lavenderblush linen mediumaquamarine green
-        blueviolet peachpuff
-      )
+      def self.attributes
+        @attributes ||= Set.new %w(
+          azimuth background background-attachment background-color
+          background-image background-position background-repeat
+          border border-bottom border-bottom-color border-bottom-style
+          border-bottom-width border-collapse border-color border-left
+          border-left-color border-left-style border-left-width
+          border-right border-right-color border-right-style
+          border-right-width border-spacing border-style border-top
+          border-top-color border-top-style border-top-width
+          border-width bottom caption-side clear clip color content
+          counter-increment counter-reset cue cue-after cue-before cursor
+          direction display elevation empty-cells float font font-family
+          font-size font-size-adjust font-stretch font-style font-variant
+          font-weight height left letter-spacing line-height list-style
+          list-style-image list-style-position list-style-type margin
+          margin-bottom margin-left margin-right margin-top marker-offset
+          marks max-height max-width min-height min-width opacity orphans
+          outline outline-color outline-style outline-width overflow-x
+          overflow-y padding padding-bottom padding-left padding-right
+          padding-top page page-break-after page-break-before
+          page-break-inside pause pause-after pause-before pitch
+          pitch-range play-during position quotes richness right size
+          speak speak-header speak-numeral speak-punctuation speech-rate
+          src stress table-layout text-align text-decoration text-indent
+          text-shadow text-transform top unicode-bidi vertical-align
+          visibility voice-family volume white-space widows width
+          word-spacing z-index
+        )
+      end
 
+      def self.builtins
+        @builtins ||= Set.new %w(
+          above absolute always armenian aural auto avoid left bottom
+          baseline behind below bidi-override blink block bold bolder
+          both bottom capitalize center center-left center-right circle
+          cjk-ideographic close-quote collapse condensed continuous crop
+          cross crosshair cursive dashed decimal decimal-leading-zero
+          default digits disc dotted double e-resize embed expanded
+          extra-condensed extra-expanded fantasy far-left far-right fast
+          faster fixed georgian groove hebrew help hidden hide high higher
+          hiragana hiragana-iroha icon inherit inline inline-table inset
+          inside invert italic justify katakana katakana-iroha landscape
+          large larger left left-side leftwards level lighter line-through
+          list-item loud low lower lower-alpha lower-greek lower-roman
+          lowercase ltr medium message-box middle mix monospace n-resize
+          narrower ne-resize no-close-quote no-open-quote no-repeat none
+          normal nowrap nw-resize oblique once open-quote outset outside
+          overline pointer portrait px relative repeat repeat-x repeat-y
+          rgb ridge right right-side rightwards s-resize sans-serif scroll
+          se-resize semi-condensed semi-expanded separate serif show
+          silent slow slower small-caps small-caption smaller soft solid
+          spell-out square static status-bar super sw-resize table-caption
+          table-cell table-column table-column-group table-footer-group
+          table-header-group table-row table-row-group text text-bottom
+          text-top thick thin top transparent ultra-condensed
+          ultra-expanded underline upper-alpha upper-latin upper-roman
+          uppercase url visible w-resize wait wider x-fast x-high x-large
+          x-loud x-low x-small x-soft xx-large xx-small yes
+        )
+      end
+
+      def self.constants
+        @constants ||= Set.new %w(
+          indigo gold firebrick indianred yellow darkolivegreen
+          darkseagreen mediumvioletred mediumorchid chartreuse
+          mediumslateblue black springgreen crimson lightsalmon brown
+          turquoise olivedrab cyan silver skyblue gray darkturquoise
+          goldenrod darkgreen darkviolet darkgray lightpink teal
+          darkmagenta lightgoldenrodyellow lavender yellowgreen thistle
+          violet navy orchid blue ghostwhite honeydew cornflowerblue
+          darkblue darkkhaki mediumpurple cornsilk red bisque slategray
+          darkcyan khaki wheat deepskyblue darkred steelblue aliceblue
+          gainsboro mediumturquoise floralwhite coral purple lightgrey
+          lightcyan darksalmon beige azure lightsteelblue oldlace
+          greenyellow royalblue lightseagreen mistyrose sienna lightcoral
+          orangered navajowhite lime palegreen burlywood seashell
+          mediumspringgreen fuchsia papayawhip blanchedalmond peru
+          aquamarine white darkslategray ivory dodgerblue lemonchiffon
+          chocolate orange forestgreen slateblue olive mintcream
+          antiquewhite darkorange cadetblue moccasin limegreen saddlebrown
+          darkslateblue lightskyblue deeppink plum aqua darkgoldenrod
+          maroon sandybrown magenta tan rosybrown pink lightblue
+          palevioletred mediumseagreen dimgray powderblue seagreen snow
+          mediumblue midnightblue paleturquoise palegoldenrod whitesmoke
+          darkorchid salmon lightslategray lawngreen lightgreen tomato
+          hotpink lightyellow lavenderblush linen mediumaquamarine green
+          blueviolet peachpuff
+        )
+      end
+
+      # source: http://www.w3.org/TR/CSS21/syndata.html#vendor-keyword-history
+      def self.vendor_prefixes
+        @vendor_prefixes ||= Set.new %w(
+          -ah- -atsc- -hp- -khtml- -moz- -ms- -o- -rim- -ro- -tc- -wap-
+          -webkit- -xv- mso- prince-
+        )
+      end
+
       state :root do
         mixin :basics
         rule /{/, 'Punctuation', :stanza
         rule /:#{identifier}/, 'Name.Decorator'
         rule /\.#{identifier}/, 'Name.Class'
@@ -114,11 +126,19 @@
         rule /#[0-9a-f]{1,6}/i, 'Literal.Number' # colors
         rule /#{number}(?:em|px|%|pt|pc|in|mm|m|ex|s)?\b/, 'Literal.Number'
         rule /[\[\]():\/.]/, 'Punctuation'
         rule /"(\\\\|\\"|[^"])*"/, 'Literal.String.Single'
         rule /'(\\\\|\\'|[^'])*'/, 'Literal.String.Double'
-        rule identifier, 'Name'
+        rule(identifier) do |m|
+          if self.class.constants.include? m[0]
+            token 'Name.Constant'
+          elsif self.class.builtins.include? m[0]
+            token 'Name.Builtin'
+          else
+            token 'Name'
+          end
+        end
       end
 
       state :at_rule do
         rule /{(?=\s*#{identifier}\s*:)/m, 'Punctuation', :at_stanza
         rule /{/, 'Punctuation', :at_body
@@ -149,17 +169,20 @@
       end
 
       state :stanza do
         mixin :basics
         rule /}/, 'Punctuation', :pop!
-        rule /(#{identifier}\s*):/m do |m|
-          if keywords.include? m[1]
-            token 'Keyword'
-          elsif builtins.include? m[1]
-            token 'Name.Builtin'
+        rule /(#{identifier})(\s*)(:)/m do |m|
+          if self.class.attributes.include? m[1]
+            group 'Name.Label'
+          elsif self.class.vendor_prefixes.any? { |p| m[1].start_with?(p) }
+            group 'Name.Label'
           else
-            token 'Name'
+            group 'Name.Property'
           end
+
+          group 'Text'
+          group 'Punctuation'
 
           push :stanza_value
         end
       end
 