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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| 
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| import cpp.NativeString;
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| 
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| using cpp.NativeArray;
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| 
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| @:coreApi
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| class StringBuf {
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| 	private var b:Array<String>;
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| 
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| 	public var length(get, never):Int;
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| 
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| 	var charBuf:Array<cpp.Char>;
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| 
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| 	public function new():Void {}
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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