Add build script for Swift.

docs/utils/extract_code_swift.py

@@ -0,0 +1,28 @@
+"""
+File: extract_code_swift.py
+Created Time: 2023-02-08
+Author: Krahets (krahets@163.com)
+"""
+
+import re
+import glob
+import sys, os.path as osp
+sys.path.append(osp.dirname(osp.dirname(osp.dirname(osp.abspath(__file__)))))
+from docs.utils.extract_code_java import ExtractCodeBlocksJava
+
+
+class ExtractCodeBlocksSwift(ExtractCodeBlocksJava):
+    def __init__(self) -> None:
+        super().__init__()
+
+        # Pattern to match function names and class names
+        self.func_pattern = r'(\s*)(public|private|)\s*(static|)\s*(func|)\s*(\w+)\(.*\).+{\s*\n'
+        self.class_pattern = r'(public|)\s*class\s+(\w+)\s*\{'
+        
+        self.func_pattern_keys = ["total", "ind", "scope", "static", "func", "label"]
+        self.class_pattern_keys = ["total", "scope", "label"]
+
+
+# for code_path in glob.glob("codes/cpp/chapter_*/my_heap.cpp"):
+#     ext = ExtractCodeBlocksCpp()
+#     ext.extract(code_path)