/*
 * 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.
 */

package haxe;

using cpp.NativeString;

@:coreApi
@:deprecated('haxe.Utf8 is deprecated. Use UnicodeString instead.')
class Utf8 {
	var __s:Array<Int>;

	public function new(?size:Null<Int>):Void {
		__s = new Array<Int>();
		if (size != null && size > 0)
			cpp.NativeArray.reserve(__s, size);
	}

	public function addChar(c:Int):Void {
		__s.push(c);
	}

	public function toString():String {
		return untyped __global__.__hxcpp_char_array_to_utf8_string(__s);
	}

	// Incoming string is array of bytes containing possibly invalid utf8 chars
	// Result is the same string with the bytes expanded into utf8 sequences
	public static function encode(s:String):String {
		return untyped __global__.__hxcpp_char_bytes_to_utf8_string(s);
	}

	// Incoming string is array of bytes representing valid utf8 chars
	// Result is a string containing the compressed bytes
	public static function decode(s:String):String {
		return untyped __global__.__hxcpp_utf8_string_to_char_bytes(s);
	}

	public #if !cppia inline #end static function iter(s:String, chars:Int->Void):Void {
		var src = s.c_str();
		var end = src.add(s.length);

		while (src.lt(end))
			chars(src.ptr.utf8DecodeAdvance());
	}

	public static function charCodeAt(s:String, index:Int):Int {
		return s.utf8CharCodeAt(index);
	}

	public static function validate(s:String):Bool {
		return s.utf8IsValid();
	}

	public static function length(s:String):Int {
		return s.utf8Length();
	}

	public static function compare(a:String, b:String):Int {
		return a.compare(b);
	}

	public static function sub(s:String, pos:Int, len:Int):String {
		return s.utf8Sub(pos, len);
	}
}
