1#!/usr/bin/env python3
2# -*- coding: utf-8 -*-
3"""
4Copyright (c) 2021 Huawei Device Co., Ltd.
5Licensed under the Apache License, Version 2.0 (the "License");
6you may not use this file except in compliance with the License.
7You may obtain a copy of the License at
8
9    http://www.apache.org/licenses/LICENSE-2.0
10
11Unless required by applicable law or agreed to in writing, software
12distributed under the License is distributed on an "AS IS" BASIS,
13WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14See the License for the specific language governing permissions and
15limitations under the License.
16
17"""
18import argparse
19import json
20import os
21
22KCONFIG_STR = 'config {}\n\
23    bool "{}"\n\
24    default n\n'
25PROPERTIES_STR = 'config {}\n\
26        string "{}"\n\
27        default ""\n'
28KMENU_STR = 'menu "{}"\n'
29
30FEATURE_STR = 'config feature$$%s\n\
31        string "feature"\n\
32        default ""\n\
33        depends on %s\n'
34
35
36def create_config(name: str, comment: str):
37    return KCONFIG_STR.format(name, comment)
38
39
40def create_property(name: str, comment: str):
41    return PROPERTIES_STR.format(name, comment)
42
43
44def create_menu(name: str):
45    return KMENU_STR.format(name)
46
47
48def end_menu():
49    return "endmenu\n"
50
51
52def create_feature(name: str):
53    return FEATURE_STR % (name, name)
54
55
56def read_json(file: str):
57    data = {}
58    with open(file, "rb") as f:
59        data = json.load(f)
60    return data
61
62
63def write_kconfig(result: str, outdir: str):
64    outpath = os.path.join(outdir, "kconfig")
65    with open(outpath, "w") as f:
66        f.writelines(result)
67    print("output file in: ", os.path.abspath(outpath))
68
69
70def gen_kconfig(config_path: str, outdir: str):
71    data = read_json(config_path)
72    subsystems = data.get("subsystems")
73    result = 'mainmenu "Subsystem Component Kconfig Configuration"\n'
74    for prop, _ in data.items():
75        if prop == "subsystems":
76            continue
77        result += create_property("property$${}".format(prop), prop)
78
79    for subsys_dict in subsystems:
80        subsys_name = subsys_dict.get("subsystem")
81        result += create_menu(subsys_name)
82        for component_dict in subsys_dict.get("components"):
83            component_name = component_dict.get("component")
84            result += create_config("{}$${}".format(subsys_name, component_name), component_name)
85            result += create_feature("{}$${}".format(subsys_name, component_name))
86        result += end_menu()
87    write_kconfig(result, outdir)
88
89
90if __name__ == "__main__":
91    INTRO = 'Genenrate newly kconfig input file.\n\
92        For example: python3 generate_kconfig.py\n\
93        or           python3 generate_kconfig.py --base_product={$repo}/productdefine/common/base/base_product.json --outdir=./'
94    parser = argparse.ArgumentParser(
95        formatter_class=argparse.RawDescriptionHelpFormatter,
96        description=INTRO
97    )
98    parser.add_argument('--base_product', type=str, default="./../../../productdefine/common/base/base_product.json",
99                        help='Basic config path in repo prodcutdefine,\
100                                default={$repo}/productdefine/common/base/base_product.json')
101    parser.add_argument('--outdir', type=str, default="./",
102                        help="define output file path dir, default={$current_dir}")
103    args = parser.parse_args()
104    print("read base_product file: ", os.path.abspath(args.base_product))
105    gen_kconfig(args.base_product, args.outdir)
106