115 lines
3.3 KiB
Python
Executable File
115 lines
3.3 KiB
Python
Executable File
#! /usr/bin/env python3
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#
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# Copyright 2016 - 2025 gary@drinkingtea.net
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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import argparse
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import os
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import json
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import pathlib
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import sys
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def write_txt_file(path: str, txt: str):
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with open(path, "w") as f:
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f.write(txt)
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print(f'Wrote {path}')
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def file_to_hex(path: str, line_prefix: str) -> tuple[str, int]:
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with open(path, 'rb') as f:
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out = line_prefix
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data = f.read()
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i = 1
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for b in data:
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out += f"{b:#0{4}x},"
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if i % 10 == 0:
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out += '\n\t'
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else:
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out += ' '
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i += 1
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return out[:-1], len(data)
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def file_to_cpp(path: str, cpp_name: str) -> tuple[str, str]:
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cpp = ''
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hpp = ''
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data, data_len = file_to_hex(path, "\t")
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cpp += f'\nstatic constexpr ox::Array<uint8_t, {data_len}> {cpp_name}Data {{\n{data}\n}};\n'
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cpp += f'\nox::SpanView<uint8_t> {cpp_name}() noexcept {{ return {cpp_name}Data; }}\n'
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hpp += f'\n[[nodiscard]]\nox::SpanView<uint8_t> {cpp_name}() noexcept;\n'
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return cpp, hpp
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def proc_rsrc_file(rsrc_path: str):# Open and read the JSON file
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with open(rsrc_path, 'r') as file:
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data = json.load(file)
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base_path = pathlib.Path(rsrc_path).parent.absolute()
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if 'all_files' in data:
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all_files = data['all_files']
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else:
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all_files = None
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if 'namespace' in data:
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namespace = data['namespace']
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else:
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namespace = ''
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if len(namespace) > 0:
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push_ns = f'namespace {namespace} {{\n'
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pop_ns = '\n}\n'
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else:
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push_ns = ''
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pop_ns = ''
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cpp = '// Generated\n\n#include <ox/std/array.hpp>\n'
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cpp += '#include <ox/std/span.hpp>\n\n'
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hpp = '// Generated\n\n#include <ox/std/span.hpp>\n\n'
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cpp += push_ns
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hpp += push_ns
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all_files_func_decl = ''
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all_files_func = ''
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if all_files is not None:
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all_files_func_decl += f'\n[[nodiscard]]\nox::Vector<ox::SpanView<uint8_t>> {all_files}() noexcept;\n'
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all_files_func += f'\nox::Vector<ox::SpanView<uint8_t>> {all_files}() noexcept {{\n\treturn {{\n'
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for f in data['files']:
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if 'path' not in f:
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print('src file path missing', file=sys.stderr)
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sys.exit(1)
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path = f['path']
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if 'cpp_name' not in f:
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print('var name missing', file=sys.stderr)
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sys.exit(1)
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cpp_name = f['cpp_name']
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c, h = file_to_cpp(os.path.join(base_path, path), cpp_name)
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cpp += c
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if len(h) > 0:
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hpp += h
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if all_files is not None:
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all_files_func += f'\t\t{cpp_name}(),\n'
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cpp += all_files_func + '\t};\n}\n'
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hpp += all_files_func_decl
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cpp += pop_ns
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hpp += pop_ns
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write_txt_file(os.path.join(base_path, data['cpp']), cpp)
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if 'hpp' in data:
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write_txt_file(os.path.join(base_path, data['hpp']), hpp)
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def main() -> int:
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parser = argparse.ArgumentParser()
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parser.add_argument('--rsrc', help='path to file', required=True)
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args = parser.parse_args()
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proc_rsrc_file(args.rsrc)
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return 0
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if __name__ == '__main__':
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try:
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err = main()
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sys.exit(err)
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except KeyboardInterrupt:
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sys.exit(1)
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