100 lines
2.9 KiB
Python
100 lines
2.9 KiB
Python
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#!/usr/bin/env python3
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"""
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Generate src/logos_data.inc from the ANSI art files under logos/.
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Each ANSI logo is converted into a NULL-terminated array of C string literals
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so render.c can embed them directly without needing to parse files at runtime.
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"""
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from __future__ import annotations
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import argparse
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from pathlib import Path
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LOGO_SOURCES = [
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("logo_86_dos", "logos/86.ans"),
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("logo_concurrentdos", "logos/concurrentdos.ans"),
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("logo_dos", "logos/dos.ans"),
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("logo_dosbian", "logos/dosbian.ans"),
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("logo_dosbox", "logos/dosbox.ans"),
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("logo_dosbox_staging", "logos/dosbox_staging.ans"),
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("logo_dosbox_x", "logos/dosbox_x.ans"),
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("logo_dr_dos", "logos/drdos.ans"),
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("logo_freedos", "logos/freedos.ans"),
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("logo_ms_dos", "logos/msdos.ans"),
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("logo_novell_dos", "logos/novell.ans"),
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("logo_pc_dos", "logos/ibmdos.ans"),
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]
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def split_lines(path: Path) -> list[bytes]:
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"""Return the ANSI file as a list of raw lines without line endings."""
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data = path.read_bytes()
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# splitlines() handles CRLF/CR/LF and preserves empty lines.
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return data.splitlines()
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def to_c_literal(line: bytes) -> str:
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"""Convert a raw line to a C string literal with escaped bytes."""
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pieces = ['"']
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for byte in line:
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if byte == 0x5C: # backslash
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pieces.append("\\\\")
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elif byte == 0x22: # double quote
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pieces.append('\\"')
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elif byte == 0x07:
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pieces.append("\\a")
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elif byte == 0x08:
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pieces.append("\\b")
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elif byte == 0x09:
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pieces.append("\\t")
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elif byte == 0x0C:
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pieces.append("\\f")
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elif byte == 0x0B:
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pieces.append("\\v")
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elif 0x20 <= byte <= 0x7E:
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pieces.append(chr(byte))
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else:
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pieces.append(f"\\x{byte:02x}")
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pieces.append('"')
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return "".join(pieces)
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def generate(output: Path) -> None:
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root = Path(__file__).resolve().parents[1]
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lines = [
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"/* Auto-generated by tools/generate_logos_data.py. Do not edit. */",
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"",
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]
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for symbol, rel_path in LOGO_SOURCES:
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logo_path = root / rel_path
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if not logo_path.exists():
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raise FileNotFoundError(f"Missing logo file: {logo_path}")
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lines.append(f"static const char *const {symbol}[] = {{")
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for raw_line in split_lines(logo_path):
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lines.append(f" {to_c_literal(raw_line)},")
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lines.append(" NULL,")
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lines.append("};")
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lines.append("")
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output_path = root / output
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output_path.write_text("\n".join(lines), encoding="utf-8")
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def main() -> None:
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument(
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"-o",
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"--output",
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default="src/logos_data.inc",
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type=Path,
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help="Path to write the generated include (default: %(default)s)",
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)
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args = parser.parse_args()
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generate(args.output)
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if __name__ == "__main__":
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main()
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