From c15a5b7a21df4613c3073b62ad32d4780e4f44fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lucio=20Andr=C3=A9s=20Illanes=20Albornoz?=
 <lucio@lucioillanes.de>
Date: Wed, 28 Aug 2019 10:29:28 +0200
Subject: [PATCH] MiRCART-python/SAUCEToAnsi.py: added (for spoke.)

---
 MiRCART-python/SAUCEToAnsi.py | 57 +++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100755 MiRCART-python/SAUCEToAnsi.py

diff --git a/MiRCART-python/SAUCEToAnsi.py b/MiRCART-python/SAUCEToAnsi.py
new file mode 100755
index 0000000..6fe5dc3
--- /dev/null
+++ b/MiRCART-python/SAUCEToAnsi.py
@@ -0,0 +1,57 @@
+#!/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]
+            print(width)
+            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