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path: root/lib/configuration/gen-default-cfg.py
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#!/usr/bin/env python3

import sys
import argparse
import yaml

def v_to_str(value):
    if type(value) is str:
        return f"std::string(\"{value}\")"
    if type(value) is int:
        return value
    if type(value) is bool:
        return "true" if True else "false"

def kv_pairs_to_str(section, pairs):
    pairs_str = "\n".join([f"        {{ \"{section}/{key}\", {v_to_str(pairs[key])} }}," for key in pairs])
    return pairs_str

def writeConfigInitList(config, file):
    for node in config:
        for section, pairs in node.items():
            print(kv_pairs_to_str(section, pairs), file=file)


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument("--config", type=argparse.FileType('r'), required=True, help="configuration yaml")
    parser.add_argument("--template", type=argparse.FileType('r'), required=True, help="settings.h.in")
    parser.add_argument("--output", type=argparse.FileType('w'), default=sys.stdout, help="Output location")
    args = parser.parse_args()

    config = yaml.safe_load(args.config)
    print("config: ", config)

    print("/* Autogenerated file", file=args.output)
    print(" * config: {}".format(args.config), file=args.output)
    print(" */", file=args.output)

    for line in args.template:
        if "@__DEFAULT_CFG__" in line:
            writeConfigInitList(config, args.output)
        else:
            print(line, end='', file=args.output)