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#!/usr/bin/env python
from core.css import css_properties
import gperf
import json5_generator
import template_expander
class CSSPropertyNamesWriter(json5_generator.Writer):
class_name = "CSSPropertyNames"
file_basename = "css_property_names"
def __init__(self, json5_file_path, output_dir):
super(CSSPropertyNamesWriter, self).__init__(json5_file_path, output_dir)
self._outputs = {
(self.file_basename + ".h"): self.generate_header,
(self.file_basename + ".cc"): self.generate_implementation,
}
self._css_properties = css_properties.CSSProperties(json5_file_path)
def _enum_declaration(self, property_):
return " %(enum_key)s = %(enum_value)s," % property_
def _array_item(self, property_):
return " CSSPropertyID::%(enum_key)s," % property_
@template_expander.use_jinja('core/css/templates/css_property_names.h.tmpl')
def generate_header(self):
return {
'alias_offset': self._css_properties.alias_offset,
'class_name': self.class_name,
'property_enums': "\n".join(map(
self._enum_declaration,
self._css_properties.properties_including_aliases)),
'property_aliases': "\n".join(
map(self._array_item, self._css_properties.aliases)),
'first_property_id': self._css_properties.first_property_id,
'properties_count':
len(self._css_properties.properties_including_aliases),
'last_property_id': self._css_properties.last_property_id,
'last_unresolved_property_id':
self._css_properties.last_unresolved_property_id,
'max_name_length':
max(map(len, self._css_properties.properties_by_id)),
}
@gperf.use_jinja_gperf_template('core/css/templates/css_property_names.cc.tmpl',
['-Q', 'CSSPropStringPool'])
def generate_implementation(self):
enum_value_to_name = {}
for property_ in self._css_properties.properties_including_aliases:
enum_value_to_name[property_['enum_value']] = property_['name'].original
property_offsets = []
property_names = []
current_offset = 0
for enum_value in range(self._css_properties.first_property_id,
max(enum_value_to_name) + 1):
property_offsets.append(current_offset)
if enum_value in enum_value_to_name:
name = enum_value_to_name[enum_value]
property_names.append(name)
current_offset += len(name) + 1
css_name_and_enum_pairs = [
(property_['name'].original,
'static_cast<int>(CSSPropertyID::' + property_['enum_key'] + ')')
for property_ in self._css_properties.properties_including_aliases]
property_keys = [
property_['enum_key']
for property_ in self._css_properties.properties_including_aliases
]
return {
'class_name': 'CSSPropertyNames',
'file_basename': self.file_basename,
'property_keys': property_keys,
'property_names': property_names,
'property_offsets': property_offsets,
'property_to_enum_map':
'\n'.join('%s, %s' % property_
for property_ in css_name_and_enum_pairs),
'gperf_path': self.gperf_path,
}
if __name__ == "__main__":
json5_generator.Maker(CSSPropertyNamesWriter).main()
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