platform_build_soong/scripts/conv_linker_config.py
Kiyoung Kim e52c665d7f Allow comments from linker.config.json
Filter out lines starts with "//" from json file to allow simple
comments on the contents. Original json format does not support
comments, but this reduces readability compared to txt file or other
formats. This change allows simple comments on the linker.config.json to
give more information on the contents.

Test: parse succeeded with commented contents
Change-Id: I1c734bf9a054f81f57aa2aea1038d0041297acf1
2020-11-03 16:00:23 +09:00

85 lines
2.3 KiB
Python

#!/usr/bin/env python
#
# Copyright (C) 2020 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""" A tool to convert json file into pb with linker config format."""
import argparse
import collections
import json
import linker_config_pb2
from google.protobuf.json_format import ParseDict
from google.protobuf.text_format import MessageToString
def Proto(args):
json_content = ''
with open(args.source) as f:
for line in f:
if not line.lstrip().startswith('//'):
json_content += line
obj = json.loads(json_content, object_pairs_hook=collections.OrderedDict)
pb = ParseDict(obj, linker_config_pb2.LinkerConfig())
with open(args.output, 'wb') as f:
f.write(pb.SerializeToString())
def Print(args):
with open(args.source, 'rb') as f:
pb = linker_config_pb2.LinkerConfig()
pb.ParseFromString(f.read())
print(MessageToString(pb))
def GetArgParser():
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers()
parser_proto = subparsers.add_parser(
'proto', help='Convert the input JSON configuration file into protobuf.')
parser_proto.add_argument(
'-s',
'--source',
required=True,
type=str,
help='Source linker configuration file in JSON.')
parser_proto.add_argument(
'-o',
'--output',
required=True,
type=str,
help='Target path to create protobuf file.')
parser_proto.set_defaults(func=Proto)
print_proto = subparsers.add_parser(
'print', help='Print configuration in human-readable text format.')
print_proto.add_argument(
'-s',
'--source',
required=True,
type=str,
help='Source linker configuration file in protobuf.')
print_proto.set_defaults(func=Print)
return parser
def main():
args = GetArgParser().parse_args()
args.func(args)
if __name__ == '__main__':
main()