src/third_party/WebKit/Source/build/scripts/make_style_shorthands.py

   1 #!/usr/bin/env python
   2 # Copyright (C) 2013 Intel Corporation. All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met:
   7 #
   8 #     * Redistributions of source code must retain the above copyright
   9 # notice, this list of conditions and the following disclaimer.
  10 #     * Redistributions in binary form must reproduce the above
  11 # copyright notice, this list of conditions and the following disclaimer
  12 # in the documentation and/or other materials provided with the
  13 # distribution.
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  15 # contributors may be used to endorse or promote products derived from
  16 # this software without specific prior written permission.
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  18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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  26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30 from collections import defaultdict
  31 import re
  32 import sys
  33
  34 import in_generator
  35 from name_utilities import camelcase_property_name, lower_first
  36 import template_expander
  37
  38
  39 def _create_css_property_name_enum_value(property_name):
  40     return 'CSSProperty' + property_name
  41
  42
  43 class StylePropertyShorthandWriter(in_generator.Writer):
  44     class_name = 'StylePropertyShorthand'
  45
  46     defaults = {
  47         'longhands': '',
  48         'runtimeEnabledShorthand': None,
  49     }
  50
  51     def __init__(self, in_files):
  52         super(StylePropertyShorthandWriter, self).__init__(in_files)
  53         self._outputs = {
  54             ('StylePropertyShorthand.cpp'): self.generate_style_property_shorthand_cpp,
  55             ('StylePropertyShorthand.h'): self.generate_style_property_shorthand_h}
  56
  57         self._properties = self.in_file.name_dictionaries
  58         self._longhand_dictionary = defaultdict(list)
  59
  60         for property in self._properties:
  61             cc = camelcase_property_name(property['name'])
  62             property['property_id'] = _create_css_property_name_enum_value(cc)
  63             cc = lower_first(cc)
  64             property['camel_case_name'] = cc
  65             longhands = property['longhands'].split(';')
  66             property['camel_case_longhands'] = list()
  67             for longhand in longhands:
  68                 longhand = camelcase_property_name(longhand)
  69                 longhand = _create_css_property_name_enum_value(longhand)
  70                 property['camel_case_longhands'].append(longhand)
  71                 self._longhand_dictionary[longhand].append(property)
  72             if property['runtimeEnabledShorthand'] is not None:
  73                 lowerFirstConditional = lower_first(property['runtimeEnabledShorthand'])
  74                 property['runtime_conditional_getter'] = '%sEnabled' % lowerFirstConditional
  75         self._properties = dict((property['property_id'], property) for property in self._properties)
  76
  77     @template_expander.use_jinja('StylePropertyShorthand.cpp.tmpl')
  78     def generate_style_property_shorthand_cpp(self):
  79         return {
  80             'properties': self._properties,
  81             'longhands_dictionary': self._longhand_dictionary,
  82         }
  83
  84     @template_expander.use_jinja('StylePropertyShorthand.h.tmpl')
  85     def generate_style_property_shorthand_h(self):
  86         return {
  87             'properties': self._properties,
  88         }
  89
  90 if __name__ == '__main__':
  91     in_generator.Maker(StylePropertyShorthandWriter).main(sys.argv)