Move isColorKeyword out of CSSPropertyParser

third_party/WebKit/Source/build/scripts/make_css_value_keywords.py

 #!/usr/bin/env python
 
-import os.path
-import re
 import subprocess
 import sys
 
-from in_file import InFile
 from name_utilities import enum_for_css_keyword
-from name_utilities import upper_first_letter
 import in_generator
 import license
 
 
 HEADER_TEMPLATE = """
 %(license)s
 
 #ifndef %(class_name)s_h
 #define %(class_name)s_h
 
 #include "core/css/parser/CSSParserMode.h"
 #include <string.h>
 
 namespace blink {
 
 enum CSSValueID {
 %(value_keyword_enums)s
 };
 
 const int numCSSValueKeywords = %(value_keywords_count)d;
 const size_t maxCSSValueKeywordLength = %(max_value_keyword_length)d;
 
 const char* getValueName(CSSValueID);
 bool isValueAllowedInMode(unsigned short id, CSSParserMode mode);
+bool isColorKeyword(CSSValueID);
 
 } // namespace blink
 
 #endif // %(class_name)s_h
 """
 
 GPERF_TEMPLATE = """
 %%{
 %(license)s
 
@@ skipping 50 matching lines @@
     switch (id) {
         %(ua_sheet_mode_values_keywords)s
             return isUASheetBehavior(mode);
         %(quirks_mode_or_ua_sheet_mode_values_keywords)s
             return isUASheetBehavior(mode) || isQuirksModeBehavior(mode);
         default:
             return true;
     }
 }
 
+bool isColorKeyword(CSSValueID id)
+{
+    // Named colors and color keywords:
+    //
+    // <named-color>
+    //   'aqua', 'black', 'blue', ..., 'yellow' (CSS3: "basic color keywords")
+    //   'aliceblue', ..., 'yellowgreen'        (CSS3: "extended color keywords")
+    //   'transparent'
+    //
+    // 'currentcolor'
+    //
+    // <deprecated-system-color>
+    //   'ActiveBorder', ..., 'WindowText'
+    //
+    // WebKit proprietary/internal:
+    //   '-webkit-link'
+    //   '-webkit-activelink'
+    //   '-internal-active-list-box-selection'
+    //   '-internal-active-list-box-selection-text'
+    //   '-internal-inactive-list-box-selection'
+    //   '-internal-inactive-list-box-selection-text'
+    //   '-webkit-focus-ring-color'
+    //   '-internal-quirk-inherit'
+    //
+    return (id >= CSSValueAqua && id <= CSSValueInternalQuirkInherit)
+        || (id >= CSSValueAliceblue && id <= CSSValueYellowgreen)
+        || id == CSSValueMenu;
+}
+
 } // namespace blink
 """
 
 
 class CSSValueKeywordsWriter(in_generator.Writer):
     class_name = "CSSValueKeywords"
     defaults = {
         'mode': None,
     }
 
@@ skipping 53 matching lines @@
         # FIXME: If we could depend on Python 2.7, we would use subprocess.check_output
         gperf_args = [self.gperf_path, '--key-positions=*', '-P', '-n']
         gperf_args.extend(['-m', '50'])  # Pick best of 50 attempts.
         gperf_args.append('-D')  # Allow duplicate hashes -> More compact code.
         gperf = subprocess.Popen(gperf_args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, universal_newlines=True)
         return gperf.communicate(gperf_input)[0]
 
 
 if __name__ == "__main__":
     in_generator.Maker(CSSValueKeywordsWriter).main(sys.argv)