blob: d4b7977bc3a0136beb8d8e02fc92492ceacd65e8 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import in_generator
import name_utilities
class CSSProperties(in_generator.Writer):
defaults = {
'alias_for': None,
'descriptor_only': None,
'runtime_flag': None,
'longhands': '',
'interpolable': False,
'inherited': False,
'font': False,
'svg': False,
'name_for_methods': None,
'use_handlers_for': None,
'getter': None,
'setter': None,
'initial': None,
'type_name': None,
'converter': None,
'custom_all': False,
'custom_initial': False,
'custom_inherit': False,
'custom_value': False,
'builder_skip': False,
'direction_aware': False,
# Typed OM annotations.
'typedom_types': [],
'keywords': [],
'supports_percentage': False,
'supports_multiple': False,
valid_values = {
'interpolable': (True, False),
'inherited': (True, False),
'font': (True, False),
'svg': (True, False),
'custom_all': (True, False),
'custom_initial': (True, False),
'custom_inherit': (True, False),
'custom_value': (True, False),
'builder_skip': (True, False),
'direction_aware': (True, False),
def __init__(self, file_paths):
in_generator.Writer.__init__(self, file_paths)
properties = self.in_file.name_dictionaries
self._descriptors = [property for property in properties if property['descriptor_only']]
self._aliases = [property for property in properties if property['alias_for']]
properties = [property for property in properties if not property['alias_for']]
# 0: CSSPropertyInvalid
# 1: CSSPropertyApplyAtRule
# 2: CSSPropertyVariable
self._first_enum_value = 3
# StylePropertyMetadata additionally assumes there are under 1024 properties.
assert self._first_enum_value + len(properties) < 512, 'Property aliasing expects there are under 512 properties.'
for offset, property in enumerate(properties):
property['property_id'] = name_utilities.enum_for_css_property(property['name'])
property['upper_camel_name'] = name_utilities.camel_case(property['name'])
property['lower_camel_name'] = name_utilities.lower_first(property['upper_camel_name'])
property['enum_value'] = self._first_enum_value + offset
property['is_internal'] = property['name'].startswith('-internal-')
self._properties_including_aliases = properties
self._properties = {property['property_id']: property for property in properties}
# The generated code will only work with at most one alias per property
assert len({property['alias_for'] for property in self._aliases}) == len(self._aliases)
for property in self._aliases:
property['property_id'] = name_utilities.enum_for_css_property_alias(property['name'])
aliased_property = self._properties[name_utilities.enum_for_css_property(property['alias_for'])]
property['enum_value'] = aliased_property['enum_value'] + 512
self._properties_including_aliases += self._aliases