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

   1 #!/usr/bin/env python
   2 # Copyright (C) 2013 Google Inc. 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 import sys
  31
  32 import css_properties
  33 import in_generator
  34 from name_utilities import lower_first
  35 import template_expander
  36
  37
  38 class StyleBuilderWriter(css_properties.CSSProperties):
  39     filters = {
  40         'lower_first': lower_first,
  41     }
  42
  43     def __init__(self, in_file_path):
  44         super(StyleBuilderWriter, self).__init__(in_file_path)
  45         self._outputs = {('StyleBuilderFunctions.h'): self.generate_style_builder_functions_h,
  46                          ('StyleBuilderFunctions.cpp'): self.generate_style_builder_functions_cpp,
  47                          ('StyleBuilder.cpp'): self.generate_style_builder,
  48                         }
  49
  50         def set_if_none(property, key, value):
  51             if property[key] is None:
  52                 property[key] = value
  53
  54         for property in self._properties.values():
  55             upper_camel = property['upper_camel_name']
  56             set_if_none(property, 'name_for_methods', upper_camel.replace('Webkit', ''))
  57             name = property['name_for_methods']
  58             set_if_none(property, 'type_name', 'E' + name)
  59             set_if_none(property, 'getter', lower_first(name))
  60             set_if_none(property, 'setter', 'set' + name)
  61             set_if_none(property, 'initial', 'initial' + name)
  62             if property['custom_all']:
  63                 property['custom_initial'] = True
  64                 property['custom_inherit'] = True
  65                 property['custom_value'] = True
  66             property['should_declare_functions'] = not property['use_handlers_for'] and not property['longhands'] \
  67                                                    and not property['direction_aware'] and not property['builder_skip']
  68
  69     @template_expander.use_jinja('StyleBuilderFunctions.h.tmpl',
  70                                  filters=filters)
  71     def generate_style_builder_functions_h(self):
  72         return {
  73             'properties': self._properties,
  74         }
  75
  76     @template_expander.use_jinja('StyleBuilderFunctions.cpp.tmpl',
  77                                  filters=filters)
  78     def generate_style_builder_functions_cpp(self):
  79         return {
  80             'properties': self._properties,
  81         }
  82
  83     @template_expander.use_jinja('StyleBuilder.cpp.tmpl', filters=filters)
  84     def generate_style_builder(self):
  85         return {
  86             'properties': self._properties,
  87         }
  88
  89
  90 if __name__ == '__main__':
  91     in_generator.Maker(StyleBuilderWriter).main(sys.argv)