Move core/scripts to build/scripts so that platform can use them.

Source/core/scripts/make_css_value_keywords.py

-#!/usr/bin/env python
-
-import os.path
-import re
-import subprocess
-import sys
-
-from in_file import InFile
-import in_generator
-import license
-
-
-HEADER_TEMPLATE = """
-%(license)s
-
-#ifndef %(class_name)s_h
-#define %(class_name)s_h
-
-#include "core/css/CSSParserMode.h"
-#include <string.h>
-
-namespace WebCore {
-
-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(unsigned short id);
-bool isValueAllowedInMode(unsigned short id, CSSParserMode mode);
-
-} // namespace WebCore
-
-#endif // %(class_name)s_h
-"""
-
-GPERF_TEMPLATE = """
-%%{
-%(license)s
-
-#include "config.h"
-#include "%(class_name)s.h"
-#include "core/platform/HashTools.h"
-#include <string.h>
-
-namespace WebCore {
-static const char valueListStringPool[] = {
-"\\0"
-%(value_keyword_strings)s
-};
-
-static const unsigned short valueListStringOffsets[] = {
-%(value_keyword_offsets)s
-};
-
-%%}
-%%struct-type
-struct Value;
-%%omit-struct-type
-%%language=C++
-%%readonly-tables
-%%compare-strncmp
-%%define class-name %(class_name)sHash
-%%define lookup-function-name findValueImpl
-%%define hash-function-name value_hash_function
-%%define slot-name nameOffset
-%%define word-array-name value_word_list
-%%pic
-%%enum
-%%%%
-%(value_keyword_to_enum_map)s
-%%%%
-const Value* findValue(register const char* str, register unsigned int len)
-{
-    return CSSValueKeywordsHash::findValueImpl(str, len);
-}
-
-const char* getValueName(unsigned short id)
-{
-    if (id >= numCSSValueKeywords || id <= 0)
-        return 0;
-    return valueListStringPool + valueListStringOffsets[id];
-}
-
-bool isValueAllowedInMode(unsigned short id, CSSParserMode mode)
-{
-    switch (id) {
-        %(ua_sheet_mode_values_keywords)s
-            return mode == UASheetMode;
-        %(quirks_mode_values_keywords)s
-            return mode == CSSQuirksMode;
-        %(quirks_mode_or_ua_sheet_mode_values_keywords)s
-            return mode == UASheetMode || mode == CSSQuirksMode;
-        default:
-            return true;
-    }
-}
-
-} // namespace WebCore
-"""
-
-
-class CSSValueKeywordsWriter(in_generator.Writer):
-    class_name = "CSSValueKeywords"
-    defaults = {
-        'condition': None,
-        'mode': None,
-    }
-
-    def __init__(self, file_paths, enabled_conditions):
-        in_generator.Writer.__init__(self, file_paths, enabled_conditions)
-        self._outputs = {(self.class_name + ".h"): self.generate_header,
-                         (self.class_name + ".cpp"): self.generate_implementation,
-                        }
-
-        all_properties = self.in_file.name_dictionaries
-        self._value_keywords = filter(lambda property: not property['condition'] or property['condition'] in self._enabled_conditions, all_properties)
-        first_property_id = 1
-        for offset, property in enumerate(self._value_keywords):
-            property['name'] = property['name'].lower()
-            property['enum_name'] = self._enum_name_from_value_keyword(property['name'])
-            property['enum_value'] = first_property_id + offset
-            if property['name'].startswith('-internal-'):
-                assert property['mode'] is None, 'Can\'t specify mode for value keywords with the prefix "-internal-".'
-                property['mode'] = 'UASheet'
-            else:
-                assert property['mode'] != 'UASheet', 'UASheet mode only value keywords should have the prefix "-internal-".'
-
-    def _enum_name_from_value_keyword(self, value_keyword):
-        return "CSSValue" + "".join(w.capitalize() for w in value_keyword.split("-"))
-
-    def _enum_declaration(self, property):
-        return "    %(enum_name)s = %(enum_value)s," % property
-
-    def _case_value_keyword(self, property):
-        return "case %(enum_name)s:" % property
-
-    def generate_header(self):
-        enum_enties = map(self._enum_declaration, [{'enum_name': 'CSSValueInvalid', 'enum_value': 0}] + self._value_keywords)
-        return HEADER_TEMPLATE % {
-            'license': license.license_for_generated_cpp(),
-            'class_name': self.class_name,
-            'value_keyword_enums': "\n".join(enum_enties),
-            'value_keywords_count': len(enum_enties),
-            'max_value_keyword_length': reduce(max, map(len, map(lambda property: property['name'], self._value_keywords))),
-        }
-
-    def _value_keywords_with_mode(self, mode):
-        return filter(lambda property: property['mode'] == mode, self._value_keywords)
-
-    def generate_implementation(self):
-        keyword_offsets = [0]
-        current_offset = 1
-        for keyword in self._value_keywords:
-            keyword_offsets.append(current_offset)
-            current_offset += len(keyword["name"]) + 1
-
-        gperf_input = GPERF_TEMPLATE % {
-            'license': license.license_for_generated_cpp(),
-            'class_name': self.class_name,
-            'value_keyword_strings': '\n'.join(map(lambda property: '    "%(name)s\\0"' % property, self._value_keywords)),
-            'value_keyword_offsets': '\n'.join(map(lambda offset: '  %d,' % offset, keyword_offsets)),
-            'value_keyword_to_enum_map': '\n'.join(map(lambda property: '%(name)s, %(enum_name)s' % property, self._value_keywords)),
-            'ua_sheet_mode_values_keywords': '\n        '.join(map(self._case_value_keyword, self._value_keywords_with_mode('UASheet'))),
-            'quirks_mode_values_keywords': '\n        '.join(map(self._case_value_keyword, self._value_keywords_with_mode('Quirks'))),
-            'quirks_mode_or_ua_sheet_mode_values_keywords': '\n    '.join(map(self._case_value_keyword, self._value_keywords_with_mode('QuirksOrUASheet'))),
-        }
-        # FIXME: If we could depend on Python 2.7, we would use subprocess.check_output
-        gperf_args = ['gperf', '--key-positions=*', '-D', '-n', '-s', '2']
-        gperf = subprocess.Popen(gperf_args, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
-        return gperf.communicate(gperf_input)[0]
-
-
-if __name__ == "__main__":
-    in_generator.Maker(CSSValueKeywordsWriter).main(sys.argv)