From af4ea94efc1999f3b19fd8d643d0331f0b77e265 Mon Sep 17 00:00:00 2001
From: Andrey Lihatskiy <alihatskiy@productengine.com>
Date: Mon, 29 Apr 2024 06:59:10 +0300
Subject: #824 Add a script to convert tabs to spaces in the code files

---
 scripts/code_tools/fix_whitespace.py | 83 ++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 scripts/code_tools/fix_whitespace.py

(limited to 'scripts')

diff --git a/scripts/code_tools/fix_whitespace.py b/scripts/code_tools/fix_whitespace.py
new file mode 100644
index 0000000000..1c2ba00bb3
--- /dev/null
+++ b/scripts/code_tools/fix_whitespace.py
@@ -0,0 +1,83 @@
+#!/usr/bin/env python
+"""\
+
+This script replaces tab characters with spaces in source code files.
+
+$LicenseInfo:firstyear=2024&license=viewerlgpl$
+Second Life Viewer Source Code
+Copyright (C) 2024, Linden Research, Inc.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation;
+version 2.1 of the License only.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+$/LicenseInfo$
+"""
+
+import argparse
+import os
+
+def convert_tabs_to_spaces(file_path, tab_stop):
+    """Convert tabs in a file to spaces, considering tab stops."""
+    with open(file_path, 'r') as file:
+        lines = file.readlines()
+
+    new_lines = []
+    for line in lines:
+        # Remove trailing spaces
+        line = line.rstrip()
+        new_line = ''
+        column = 0  # Track the column index for calculating tab stops
+        for char in line:
+            if char == '\t':
+                # Calculate spaces needed to reach the next tab stop
+                spaces_needed = tab_stop - (column % tab_stop)
+                new_line += ' ' * spaces_needed
+                column += spaces_needed
+            else:
+                new_line += char
+                column += 1
+
+        new_lines.append(new_line + '\n')
+
+    with open(file_path, 'w') as file:
+        file.writelines(new_lines)
+
+def process_directory(directory, extensions, tab_stop):
+    """Recursively process files in directory, considering tab stops."""
+    extensions = tuple(extensions)
+    for root, dirs, files in os.walk(directory):
+        for file in files:
+            if file.endswith(extensions):
+                file_path = os.path.join(root, file)
+                print(f"Processing {file_path}")
+                convert_tabs_to_spaces(file_path, tab_stop)
+
+def main():
+    parser = argparse.ArgumentParser(description='Convert tabs to spaces in files, considering tab stops.')
+    parser.add_argument('-e', '--extensions', type=str, default='cpp,h,hpp,inl,cmake', help='Comma-separated list of file extensions to process (default: "cpp,h,hpp,inl,cmake")')
+    parser.add_argument('-t', '--tabstop', type=int, default=4, help='Tab stop size (default: 4)')
+    parser.add_argument('-d', '--directory', type=str, required=True, help='Directory to process')
+
+    args = parser.parse_args()
+
+    extensions = args.extensions.split(',')
+    # Add a dot prefix to each extension if not present
+    extensions = [ext if ext.startswith('.') else f".{ext}" for ext in extensions]
+
+    process_directory(args.directory, extensions, args.tabstop)
+    print("Processing completed.")
+
+if __name__ == "__main__":
+    main()
-- 
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