mirror of
https://github.com/lalbornoz/roar.git
synced 2024-12-23 21:06:37 +00:00
57 lines
2.5 KiB
Python
Executable File
57 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
#
|
|
# SAUCEToAnsi.py -- convert SAUCE-encoded ANSi to raw ANSI file (for spoke)
|
|
# Copyright (c) 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
|
|
# This project is licensed under the terms of the MIT licence.
|
|
#
|
|
|
|
import os, re, struct, sys
|
|
|
|
def SAUCEToAnsi(inPathName, outPathName):
|
|
with open(inPathName, "rb") as inFile:
|
|
inFileStat = os.stat(inPathName)
|
|
inFile.seek(inFileStat.st_size - 128, 0)
|
|
inFile.seek(5 + 2 + 35 + 20 + 20 + 8 + 4, 1)
|
|
if (inFile.read(1) != b'\x01') \
|
|
or (inFile.read(1) != b'\x01'):
|
|
print("error: only character based ANSi SAUCE files are supported.", file=sys.stderr)
|
|
return 1
|
|
else:
|
|
width, height = struct.unpack("H", inFile.read(2))[0], struct.unpack("H", inFile.read(2))[0]
|
|
with open(outPathName, "w+") as outFile:
|
|
inFile.seek(0, 0)
|
|
inFileData, row, rowChars = inFile.read(inFileStat.st_size - 128).decode("cp437"), "", 0
|
|
inFileChar, inFileCharMax = 0, len(inFileData)
|
|
while True:
|
|
if inFileChar >= inFileCharMax:
|
|
break
|
|
else:
|
|
m = re.match('\x1b\[((?:\d{1,3};?)+)m', inFileData[inFileChar:])
|
|
if m:
|
|
row += m[0]; inFileChar += len(m[0]);
|
|
else:
|
|
m = re.match('\x1b\[(\d+)C', inFileData[inFileChar:])
|
|
if m:
|
|
row += m[0]; inFileChar += len(m[0]); rowChars += int(m[1]);
|
|
elif inFileData[inFileChar:inFileChar+2] == "\r\n":
|
|
inFileChar += 2; rowChars = width;
|
|
elif inFileData[inFileChar] == "\r" \
|
|
or inFileData[inFileChar] == "\n":
|
|
inFileChar += 1; rowChars = width;
|
|
else:
|
|
row += inFileData[inFileChar]; inFileChar += 1; rowChars += 1;
|
|
if rowChars >= width:
|
|
print(row, file=outFile); row = ""; rowChars = 0;
|
|
|
|
#
|
|
# Entry point
|
|
def main(*argv):
|
|
SAUCEToAnsi(argv[1], argv[2])
|
|
if __name__ == "__main__":
|
|
if (len(sys.argv) - 1) != 2:
|
|
print("usage: {} <SAUCE input file pathname> <ANSI output file pathname>".format(sys.argv[0]), file=sys.stderr)
|
|
else:
|
|
main(*sys.argv)
|
|
|
|
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
|