From c67da3093a33bcac5f6eabe61d4f9c522c942985 Mon Sep 17 00:00:00 2001
From: Relintai <relintai@protonmail.com>
Date: Sat, 30 Dec 2023 00:32:38 +0100
Subject: [PATCH] Added the copyright headers utility from pandemonium. Updated
 the header info in it.

---
 misc/scripts/copyright_headers.py | 106 ++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100755 misc/scripts/copyright_headers.py

diff --git a/misc/scripts/copyright_headers.py b/misc/scripts/copyright_headers.py
new file mode 100755
index 0000000..121926f
--- /dev/null
+++ b/misc/scripts/copyright_headers.py
@@ -0,0 +1,106 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import sys
+
+header = """\
+/*************************************************************************/
+/*  $filename                                                            */
+/*************************************************************************/
+/*                         This file is part of:                         */
+/*                    PMLPP Machine Learning Library                     */
+/*                   https://github.com/Relintai/pmlpp                   */
+/*************************************************************************/
+/* Copyright (c) 2022-present Péter Magyar.                              */
+/* Copyright (c) 2022-2023 Marc Melikyan                                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+"""
+
+fname = sys.argv[1]
+
+# Handle replacing $filename with actual filename and keep alignment
+fsingle = fname.strip()
+if fsingle.find("/") != -1:
+    fsingle = fsingle[fsingle.rfind("/") + 1 :]
+rep_fl = "$filename"
+rep_fi = fsingle
+len_fl = len(rep_fl)
+len_fi = len(rep_fi)
+# Pad with spaces to keep alignment
+if len_fi < len_fl:
+    for x in range(len_fl - len_fi):
+        rep_fi += " "
+elif len_fl < len_fi:
+    for x in range(len_fi - len_fl):
+        rep_fl += " "
+if header.find(rep_fl) != -1:
+    text = header.replace(rep_fl, rep_fi)
+else:
+    text = header.replace("$filename", fsingle)
+text += "\n"
+
+# We now have the proper header, so we want to ignore the one in the original file
+# and potentially empty lines and badly formatted lines, while keeping comments that
+# come after the header, and then keep everything non-header unchanged.
+# To do so, we skip empty lines that may be at the top in a first pass.
+# In a second pass, we skip all consecutive comment lines starting with "/*",
+# then we can append the rest (step 2).
+
+fileread = open(fname.strip(), "r")
+line = fileread.readline().strip()
+header_done = False
+
+orig_lines = ""
+
+while line == "" or line.startswith("#ifndef") or line.startswith("#define"):  # Skip empty lines at the top, and include guards
+    if line != "":
+        orig_lines += line + "\n"
+
+    line = fileread.readline()
+    line = line.strip()
+
+line += "\n"
+
+if orig_lines != "":
+    text = orig_lines + "\n" + text
+
+if line.find("/**********") == -1:  # Pandemonium header starts this way
+    # Maybe starting with a non-Pandemonium comment, abort header magic
+    header_done = True
+
+while not header_done:  # Handle header now
+    if line.find("/*") != 0:  # No more starting with a comment
+        header_done = True
+        if line.strip() != "":
+            text += line
+    line = fileread.readline()
+
+while line != "":  # Dump everything until EOF
+    text += line
+    line = fileread.readline()
+
+fileread.close()
+
+# Write
+filewrite = open(fname.strip(), "w")
+filewrite.write(text)
+filewrite.close()