/*
 * 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 php.Global;
import php.Syntax;

@:coreApi class StringBuf {
	private var b:String;

	public var length(get, never):Int;

	public function new():Void {
		b = "";
	}

	inline function get_length():Int {
		return b.length;
	}

	public function add<T>(x:T):Void {
		if (x == null) {
			b = Syntax.concat(b, 'null');
		} else if (Global.is_bool(x)) {
			b = Syntax.concat(b, ((x : Dynamic) ? 'true' : 'false'));
		} else if (Global.is_string(x)) {
			b = Syntax.concat(b, cast x);
		} else {
			b += x;
		}
	}

	public inline function addSub(s:String, pos:Int, ?len:Int):Void {
		b += s.substr(pos, len);
	}

	public inline function addChar(c:Int):Void {
		b += String.fromCharCode(c);
	}

	public inline function toString():String {
		return b;
	}
}