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import argparse
def main():
parser = argparse.ArgumentParser(description='Convert rodata into C++ source with embedded file content')
parser.add_argument('symbol', help='symbol name exported from generated file')
parser.add_argument('rodata', type=argparse.FileType('rb'), help='input .rodata file path')
parser.add_argument('cpp', type=argparse.FileType('w', encoding='UTF-8'), help='destination .cpp file path')
args = parser.parse_args()
args.cpp.write('static_assert(sizeof(unsigned int) == 4, "ups, something gone wrong");\n\n')
args.cpp.write('extern "C" {\n')
args.cpp.write(' extern const unsigned char ' + args.symbol + '[] = {\n')
cnt = 0
for ch in args.rodata.read():
args.cpp.write('0x%02x, ' % ch)
cnt += 1
if cnt % 50 == 1:
args.cpp.write('\n')
args.cpp.write(' };\n')
args.cpp.write(' extern const unsigned int ' + args.symbol + 'Size = sizeof(' + args.symbol + ');\n')
args.cpp.write('}\n')
args.rodata.close()
args.cpp.close()
if __name__ == '__main__':
main()
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