LNXSDK/Kha/Tools/linux_x64/std/js/lib/HaxeIterator.hx
2025-01-22 16:18:30 +01:00

53 lines
1.8 KiB
Haxe

/*
* 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 js.lib;
/**
`HaxeIterator` wraps a JavaScript native iterator object to enable for-in iteration in haxe.
It can be used directly: `new HaxeIterator(jsIterator)` or via using: `using HaxeIterator`.
**/
class HaxeIterator<T> {
final jsIterator: js.lib.Iterator<T>;
var lastStep: js.lib.Iterator.IteratorStep<T>;
public inline function new(jsIterator: js.lib.Iterator<T>) {
this.jsIterator = jsIterator;
lastStep = jsIterator.next();
}
public inline function hasNext(): Bool {
return !lastStep.done;
}
public inline function next(): T {
var v = lastStep.value;
lastStep = jsIterator.next();
return v;
}
public static inline function iterator<T>(jsIterator: js.lib.Iterator<T>) {
return new HaxeIterator(jsIterator);
}
}