forked from LeenkxTeam/LNXSDK
89 lines
3.1 KiB
Haxe
89 lines
3.1 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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package cs.internal;
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@:classCode('//This function is here to be used with Reflection, when the haxe.lang.Null type is known
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public static haxe.lang.Null<T> _ofDynamic(object obj) {
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if (obj == null) {
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return new haxe.lang.Null<T>(default(T), false);
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} else if (typeof(T).Equals(typeof(double))) {
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return new haxe.lang.Null<T>((T) (object) haxe.lang.Runtime.toDouble(obj), true);
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} else if (typeof(T).Equals(typeof(int))) {
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return new haxe.lang.Null<T>((T) (object) haxe.lang.Runtime.toInt(obj), true);
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} else {
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return new haxe.lang.Null<T>((T) obj, true);
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}
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}
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public static implicit operator haxe.lang.Null<T>(T val) {
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return new haxe.lang.Null<T>(val, true);
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}
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public static implicit operator Null<T>(__NoValue__ noValue) {
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return new haxe.lang.Null<T>(default(T), false);
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}
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public sealed class __NoValue__ {
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private __NoValue__() {}
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}
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override public string ToString() {
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if (!hasValue) return "null";
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else return value.ToString();
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}
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')
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#if core_api_serialize
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@:meta(System.Serializable)
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#end
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@:keep @:struct @:nativeGen @:native("haxe.lang.Null") private class Nullable<T> {
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@:readOnly public var value(default, never):T;
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@:readOnly public var hasValue(default, never):Bool;
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public function new(v:T, hasValue:Bool) {
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if (hasValue && cs.system.Object.ReferenceEquals(v, null)) {
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hasValue = false;
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}
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untyped this.value = v;
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untyped this.hasValue = hasValue;
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}
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@:functionCode('if (obj == null) {
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return new haxe.lang.Null<D>(default(D), false);
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} else if (typeof(D).Equals(typeof(double))) {
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return new haxe.lang.Null<D>((D) (object) haxe.lang.Runtime.toDouble(obj), true);
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} else if (typeof(D).Equals(typeof(int))) {
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return new haxe.lang.Null<D>((D) (object) haxe.lang.Runtime.toInt(obj), true);
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} else {
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return new haxe.lang.Null<D>((D) obj, true);
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}')
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public static function ofDynamic<D>(obj:Dynamic):Nullable<D> {
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return null;
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}
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public function toDynamic():Dynamic {
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if (this.hasValue)
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return value;
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return null;
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}
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}
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