Add C++ loc script (#130)

analytics_tools/loc/c_loc.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+
+import os
+
+def count_lines_in_file(filename):
+    with open(filename, 'r', encoding='utf-8', errors='ignore') as file:
+        in_multiline_comment = False
+        code_lines = 0
+
+        for line in file:
+            stripped_line = line.strip()
+
+            if in_multiline_comment:
+                if '*/' in stripped_line:
+                    # End of multi-line comment
+                    in_multiline_comment = False
+                    stripped_line = stripped_line.split('*/', 1)[1]
+                else:
+                    continue  # Skip everything inside multi-line comments
+
+            # Remove single-line comments
+            if '//' in stripped_line:
+                stripped_line = stripped_line.split('//', 1)[0]
+
+            # Check for the start of a multi-line comment
+            if '/*' in stripped_line:
+                if '*/' in stripped_line:
+                    # Multi-line comment starts and ends on the same line
+                    before_comment = stripped_line.split('/*', 1)[0]
+                    after_comment = stripped_line.split('*/', 1)[1]
+                    stripped_line = before_comment + after_comment
+                else:
+                    # Multi-line comment starts here and continues
+                    stripped_line = stripped_line.split('/*', 1)[0]
+                    in_multiline_comment = True
+
+            # Count the line if it's not empty after stripping comments and whitespace
+            if stripped_line.strip():
+                code_lines += 1
+
+    return code_lines
+
+def main():
+    total_lines = 0
+
+    for root, _, files in os.walk('.'):
+        for filename in files:
+            if filename.endswith('.c'):
+                filepath = os.path.join(root, filename)
+                lines = count_lines_in_file(filepath)
+                print(f"{filepath}: {lines} lines")
+                total_lines += lines
+
+    print(f"Total lines of code: {total_lines}")
+
+if __name__ == "__main__":
+    main()
+