blob: da865b486bb4652f21a501dd4a1369ea908d2316 [file] [log] [blame]
# Copyright 2020 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 os
import collections
from style_variable_generator.base_generator import Color, Modes, BaseGenerator, VariableType
class BaseProtoStyleGenerator(BaseGenerator):
'''Base Generator for Protobuf formats'''
def GetParameters(self):
return {
'fields': self._CreateFieldList(),
def GetFilters(self):
return {
'proto_color': self._ProtoColor,
def GetGlobals(self):
return {
'Modes': Modes,
'in_files': sorted(self.in_file_to_context.keys()),
def _CreateFieldList(self):
field_value_map = dict()
field_id_map = dict()
field_list = []
for ctx in self.in_file_to_context.values():
proto_ctx = ctx[self.GetContextKey()]
field_name = proto_ctx['field_name']
field_id = proto_ctx['field_id']
if field_name in field_id_map and field_id_map.get(
field_name) != field_id:
raise Exception(
'Proto field "%s" declared > 1 times with differing ids' %
field_id_map[field_name] = field_id
field = {'name': field_name, 'id': field_id, 'values': []}
if field_name not in field_value_map:
field_value_map[field_name] = field['values']
# Order fields by key
field_list.sort(key=lambda x: x['id'])
# Populate each field with its corresponding colors.
color_model = self.model[VariableType.COLOR]
for name, mode_values in color_model.items():
color_item = {
'name': name,
'mode_values': {
Modes.LIGHT: color_model.ResolveToRGBA(name, Modes.LIGHT),
Modes.DARK: color_model.ResolveToRGBA(name, Modes.DARK),
return field_list
def _ProtoColor(self, c):
'''Returns the proto color representation of |c|'''
assert (isinstance(c, Color))
def AlphaToInt(alpha):
return int(alpha * 255)
return '0x%X%02X%02X%02X' % (AlphaToInt(c.opacity.a), c.r, c.g, c.b)
class ProtoStyleGenerator(BaseProtoStyleGenerator):
def GetName():
return 'proto'
def Render(self):
return self.ApplyTemplate(self, 'proto_generator.tmpl',
class ProtoJSONStyleGenerator(BaseProtoStyleGenerator):
def GetName():
return 'protojson'
def GetContextKey(self):
return ProtoStyleGenerator.GetName()
def Render(self):
return self.ApplyTemplate(self, 'proto_json_generator.tmpl',