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1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3# Copyright (c) 2021 Huawei Device Co., Ltd.
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#     http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16import optparse
17import os
18import sys
19
20sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir))
21from scripts.util import build_utils  # noqa: E402
22from scripts.interface_mgr import InterfaceMgr  # noqa: E402
23
24
25def parse_args(args):
26    args = build_utils.expand_file_args(args)
27
28    parser = optparse.OptionParser()
29    build_utils.add_depfile_option(parser)
30    parser.add_option('--output', help='generated ndk stub file')
31    parser.add_option('--headers',
32                      action='append',
33                      help='base directory of ndk common files')
34    parser.add_option('--generated-signature',
35                      help='base directory of os specific stuff')
36    parser.add_option('--saved-signature',
37                      help='prefix string of directory in archive zipfile')
38    parser.add_option('--check-signature',
39                      action='store_true',
40                      help='check ndk signature')
41    parser.add_option(
42        '--root-build-dir',
43        help='root build directory, used to strip relative address')
44
45    options, _ = parser.parse_args(args)
46
47    return options
48
49
50def header_signature(output: str, headers: list, root_build_dir: str, saved: str, generated: str, check: bool):
51    signature = []
52    mgr = InterfaceMgr()
53
54    for f in headers:
55        signature.append('//{} {}'.format(os.path.relpath(f, root_build_dir),
56                                          mgr.get_file_sha256(f)))
57
58    os.makedirs(os.path.dirname(generated), exist_ok=True)
59    with open(generated, 'w') as g:
60        g.write('\n'.join(sorted(signature)))
61
62    if check and mgr.get_file_sha256(generated) != mgr.get_file_sha256(saved):
63        raise Exception(
64            "Error: ndk header signature changed. generated signature {} has "
65            "different signature with saved signature {}"
66            .format(generated, saved))
67
68    build_utils.touch(output)
69
70
71def main(args):
72    options = parse_args(args)
73
74    depfile_deps = set()
75    if options.check_signature:
76        depfile_deps.add(options.saved_signature)
77
78    build_utils.call_and_write_depfile_if_stale(lambda: header_signature(
79        options.output, options.headers, options.root_build_dir, options.
80        saved_signature, options.generated_signature, options.check_signature),
81                                                options,
82                                                depfile_deps=depfile_deps,
83                                                input_paths=depfile_deps,
84                                                output_paths=([options.output
85                                                               ]),
86                                                input_strings=args,
87                                                force=False,
88                                                add_pydeps=False)
89
90
91if __name__ == '__main__':
92    sys.exit(main(sys.argv[1:]))
93