102 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
/*
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 * Copyright (C)2005-2019 Haxe Foundation
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 */
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import cpp.NativeString;
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using cpp.NativeArray;
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@:coreApi
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class StringBuf {
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	private var b:Array<String>;
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	public var length(get, never):Int;
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	var charBuf:Array<cpp.Char>;
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	public function new():Void {}
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	private function charBufAsString():String {
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		var len = charBuf.length;
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		charBuf.push(0);
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		return NativeString.fromGcPointer(charBuf.address(0), len);
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	}
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	private function flush():Void {
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		if (b == null)
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			b = [charBufAsString()];
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		else
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			b.push(charBufAsString());
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		charBuf = null;
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	}
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	function get_length():Int {
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		var len = 0;
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		if (charBuf != null)
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			len = charBuf.length;
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		if (b != null)
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			for (s in b)
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				len += s == null ? 4 : s.length;
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		return len;
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	}
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	public inline function add<T>(x:T):Void {
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		if (charBuf != null)
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			flush();
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		if (b == null)
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			b = [Std.string(x)];
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		else
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			b.push(Std.string(x));
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	}
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	public #if !cppia inline #end function addSub(s:String, pos:Int, ?len:Int):Void {
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		if (charBuf != null)
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			flush();
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		if (b == null)
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			b = [s.substr(pos, len)];
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		else
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			b.push(s.substr(pos, len));
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	}
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	public #if !cppia inline #end function addChar(c:Int):Void {
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		#if hxcpp_smart_strings
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		if (c >= 127)
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			add(String.fromCharCode(c));
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		else
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		#end
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		{
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			if (charBuf == null)
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				charBuf = new Array<cpp.Char>();
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			charBuf.push(c);
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		}
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	}
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	public function toString():String {
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		if (charBuf != null)
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			flush();
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		if (b == null || b.length == 0)
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			return "";
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		if (b.length == 1)
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			return b[0];
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		return b.join("");
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	}
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}
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