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796713b9d5
Previously, `open()` was used with the default option of `newline=None`, which means that “any '\n' characters written are translated to the system default line separator”. Now, `xxd.py` always writes `\n` line endings. This eliminates the need for the .gitattributes file.
38 lines
1.4 KiB
Python
Executable File
38 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python
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import argparse
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import os
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import pathlib
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import re
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def main():
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parser = argparse.ArgumentParser(allow_abbrev=False, description="Convert file into includable C header")
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parser.add_argument("--in", "-i", type=pathlib.Path, metavar="INPUT", dest="input", required=True, help="Input file")
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parser.add_argument("--out", "-o", type=pathlib.Path, metavar="OUTPUT", dest="output", required=True, help="Output header")
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parser.add_argument("--columns", type=int, default=12, help="Column count")
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args = parser.parse_args()
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t = pathlib.Path()
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varname, _ = re.subn("[^a-zA-Z0-9]", "_", str(args.input.name))
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binary_data = args.input.open("rb").read()
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with args.output.open("w", newline="\n") as fout:
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fout.write("unsigned char {}[] = {{\n".format(varname))
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bytes_written = 0
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while bytes_written < len(binary_data):
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col = bytes_written % args.columns
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if col == 0:
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fout.write(" ")
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column_data = binary_data[bytes_written:bytes_written+args.columns]
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fout.write(", ".join("0x{:02x}".format(d) for d in column_data))
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bytes_written += len(column_data)
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if bytes_written < len(binary_data):
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fout.write(",\n")
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else:
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fout.write("\n")
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fout.write("}};\nunsigned int {}_len = {:d};\n".format(varname, len(binary_data)))
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if __name__ == "__main__":
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raise SystemExit(main())
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