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.
  14 #     * Neither the name of Google Inc. nor the names of its
  15 # contributors may be used to endorse or promote products derived from
  16 # this software without specific prior written permission.
  17 #
  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
  22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  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 sys
  32
  33 import css_properties
  34 import in_generator
  35 from name_utilities import lower_first
  36 import template_expander
  37
  38
  39 class StylePropertyShorthandWriter(css_properties.CSSProperties):
  40     class_name = 'StylePropertyShorthand'
  41
  42     def __init__(self, in_file_path):
  43         super(StylePropertyShorthandWriter, self).__init__(in_file_path)
  44         self._outputs = {
  45             ('StylePropertyShorthand.cpp'): self.generate_style_property_shorthand_cpp,
  46             ('StylePropertyShorthand.h'): self.generate_style_property_shorthand_h}
  47
  48         self._longhand_dictionary = defaultdict(list)
  49
  50         self._properties = {property_id: property for property_id, property in self._properties.items() if property['longhands']}
  51
  52         for property in self._properties.values():
  53             property['longhand_property_ids'] = map(css_properties.css_name_to_enum, property['longhands'].split(';'))
  54             for longhand in property['longhand_property_ids']:
  55                 self._longhand_dictionary[longhand].append(property)
  56
  57     @template_expander.use_jinja('StylePropertyShorthand.cpp.tmpl')
  58     def generate_style_property_shorthand_cpp(self):
  59         return {
  60             'properties': self._properties,
  61             'longhands_dictionary': self._longhand_dictionary,
  62         }
  63
  64     @template_expander.use_jinja('StylePropertyShorthand.h.tmpl')
  65     def generate_style_property_shorthand_h(self):
  66         return {
  67             'properties': self._properties,
  68         }
  69
  70 if __name__ == '__main__':
  71     in_generator.Maker(StylePropertyShorthandWriter).main(sys.argv)