blob: 946ca61cab2c34c3d127c2662dffda9095292047 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2015 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 json
import os.path
import sys
import optparse
_script_path = os.path.realpath(__file__)
sys.path.insert(0, os.path.normpath(_script_path + "/../../json_comment_eater"))
import json_comment_eater
sys.path.insert(0, os.path.normpath(_script_path + "/../../json_to_struct"))
import json_to_struct
def _Load(filename):
"""Loads a JSON file into a Python object and return this object.
with open(filename, 'r') as handle:
result = json.loads(json_comment_eater.Nom(
return result
def _LoadFieldTrialConfig(filename):
"""Loads a field trial config JSON and converts it into a format that can be
used by json_to_struct.
return _FieldTrialConfigToDescription(_Load(filename))
def _CreateGroup(group_data):
group = {'name': group_data['group_name']}
params_data = group_data.get('params')
if (params_data):
group['params'] = [{'key': param, 'value': params_data[param]}
for param in sorted(params_data.keys())];
enable_features_data = group_data.get('enable_features')
if enable_features_data:
group['enable_features'] = enable_features_data
disable_features_data = group_data.get('disable_features')
if disable_features_data:
group['disable_features'] = disable_features_data
return group
def _CreateTrial(trial_name, groups):
return {
'name': trial_name,
'groups': [_CreateGroup(group) for group in groups],
def _FieldTrialConfigToDescription(config):
return {
'elements': {
'kFieldTrialConfig': {
'trials': [_CreateTrial(trial_name, config[trial_name])
for trial_name in sorted(config.keys())]
def main(arguments):
parser = optparse.OptionParser(
description='Generates a struct from a JSON description.',
usage='usage: %prog [option] -s schema description')
parser.add_option('-b', '--destbase',
help='base directory of generated files.')
parser.add_option('-d', '--destdir',
help='directory to output generated files, relative to destbase.')
parser.add_option('-n', '--namespace',
help='C++ namespace for generated files. e.g search_providers.')
parser.add_option('-s', '--schema', help='path to the schema file, '
parser.add_option('-o', '--output', help='output filename, '
parser.add_option('-y', '--year',
help='year to put in the copy-right.')
(opts, args) = parser.parse_args(args=arguments)
if not opts.schema:
parser.error('You must specify a --schema.')
description_filename = os.path.normpath(args[0])
shortroot = opts.output
if opts.destdir:
output_root = os.path.join(os.path.normpath(opts.destdir), shortroot)
output_root = shortroot
if opts.destbase:
basepath = os.path.normpath(opts.destbase)
basepath = ''
schema = _Load(opts.schema)
description = _LoadFieldTrialConfig(description_filename)
basepath, output_root, opts.namespace, schema, description,
os.path.split(description_filename)[1], os.path.split(opts.schema)[1],
if __name__ == '__main__':