Update Files

Kha/Tools/linux_x64/std/python/_std/StringBuf.hx

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+/*
+ * Copyright (C)2005-2019 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.
+ */
+
+import python.lib.io.IOBase.SeekSet;
+import python.lib.io.StringIO;
+
+@:coreApi
+class StringBuf {
+	private var b:StringIO;
+
+	public inline function new():Void {
+		this.b = new StringIO();
+	}
+
+	public var length(get, never):Int;
+
+	function get_length():Int {
+		var pos = b.tell();
+		b.seek(0, SeekEnd);
+		var len = b.tell();
+		b.seek(pos, SeekSet);
+		return len;
+	}
+
+	public inline function add<T>(x:T):Void {
+		add1(Std.string(x));
+	}
+
+	inline function add1(s:String):Void {
+		b.write(s);
+	}
+
+	public inline function addChar(c:Int):Void {
+		add1(String.fromCharCode(c));
+	}
+
+	public inline function addSub(s:String, pos:Int, ?len:Int):Void {
+		add1((len == null ? s.substr(pos) : s.substr(pos, len)));
+	}
+
+	public inline function toString():String {
+		return b.getvalue();
+	}
+}