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added (do not use $ prefix for keys which cause allocation)

Nicolas Cannasse 11 년 전
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651542434c
1개의 변경된 파일83개의 추가작업 그리고 0개의 파일을 삭제
  1. 83 0
      std/flash/_std/haxe/ds/UnsafeStringMap.hx

+ 83 - 0
std/flash/_std/haxe/ds/UnsafeStringMap.hx

@@ -0,0 +1,83 @@
+/*
+ * Copyright (C)2005-2012 Haxe Foundation
+ *
+ * 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.
+ */
+package haxe.ds;
+
+/**
+	This is similar to `StringMap` excepts that it does not sanitize the keys.
+	As a result, it will be faster to access the map for reading, but it might fail
+	with some reserved keys such as `constructor` or `prototype`.
+**/
+class UnsafeStringMap<T> implements Map.IMap<String,T> {
+
+	private var h : flash.utils.Dictionary;
+
+	public function new() : Void {
+		h = new flash.utils.Dictionary();
+	}
+
+	public inline function set( key : String, value : T ) : Void {
+		untyped h[key] = value;
+	}
+
+	public inline function get( key : String ) : Null<T> {
+		return untyped h[key];
+	}
+
+	public inline function exists( key : String ) : Bool {
+		return untyped __in__(key,h);
+	}
+
+	public function remove( key : String ) : Bool {
+		if( untyped !h.hasOwnProperty(key) ) return false;
+		untyped __delete__(h,key);
+		return true;
+	}
+
+	public function keys() : Iterator<String> {
+		return untyped (__keys__(h)).iterator();
+	}
+
+	public function iterator() : Iterator<T> {
+		return untyped {
+			ref : h,
+			it : __keys__(h).iterator(),
+			hasNext : function() { return __this__.it.hasNext(); },
+			next : function() { var i : Dynamic = __this__.it.next(); return __this__.ref[i]; }
+		};
+	}
+
+	public function toString() : String {
+		var s = new StringBuf();
+		s.add("{");
+		var it = keys();
+		for( i in it ) {
+			s.add(i);
+			s.add(" => ");
+			s.add(Std.string(get(i)));
+			if( it.hasNext() )
+				s.add(", ");
+		}
+		s.add("}");
+		return s.toString();
+	}
+
+}