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sdl/cmake/xxd.py

38 lines
1.4 KiB
Python

#!/usr/bin/env python
import argparse
import os
import pathlib
import re
def main():
parser = argparse.ArgumentParser(allow_abbrev=False, description="Convert file into includable C header")
parser.add_argument("--in", "-i", type=pathlib.Path, metavar="INPUT", dest="input", required=True, help="Input file")
parser.add_argument("--out", "-o", type=pathlib.Path, metavar="OUTPUT", dest="output", required=True, help="Output header")
parser.add_argument("--columns", type=int, default=12, help="Column count")
args = parser.parse_args()
t = pathlib.Path()
varname, _ = re.subn("[^a-zA-Z0-9]", "_", str(args.input.name))
binary_data = args.input.open("rb").read()
with args.output.open("w", newline="\n") as fout:
fout.write("unsigned char {}[] = {{\n".format(varname))
bytes_written = 0
while bytes_written < len(binary_data):
col = bytes_written % args.columns
if col == 0:
fout.write(" ")
column_data = binary_data[bytes_written:bytes_written+args.columns]
fout.write(", ".join("0x{:02x}".format(d) for d in column_data))
bytes_written += len(column_data)
if bytes_written < len(binary_data):
fout.write(",\n")
else:
fout.write("\n")
fout.write("}};\nunsigned int {}_len = {:d};\n".format(varname, len(binary_data)))
if __name__ == "__main__":
raise SystemExit(main())