71 lines
2.4 KiB
Haxe
71 lines
2.4 KiB
Haxe
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/*
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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 haxe.ds;
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/**
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EnumValueMap allows mapping of enum value keys to arbitrary values.
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Keys are compared by value and recursively over their parameters. If any
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parameter is not an enum value, `Reflect.compare` is used to compare them.
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**/
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class EnumValueMap<K:EnumValue, V> extends haxe.ds.BalancedTree<K, V> implements haxe.Constraints.IMap<K, V> {
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override function compare(k1:EnumValue, k2:EnumValue):Int {
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var d = k1.getIndex() - k2.getIndex();
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if (d != 0)
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return d;
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var p1 = k1.getParameters();
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var p2 = k2.getParameters();
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if (p1.length == 0 && p2.length == 0)
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return 0;
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return compareArgs(p1, p2);
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}
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function compareArgs(a1:Array<Dynamic>, a2:Array<Dynamic>):Int {
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var ld = a1.length - a2.length;
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if (ld != 0)
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return ld;
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for (i in 0...a1.length) {
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var d = compareArg(a1[i], a2[i]);
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if (d != 0)
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return d;
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}
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return 0;
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}
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function compareArg(v1:Dynamic, v2:Dynamic):Int {
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return if (Reflect.isEnumValue(v1) && Reflect.isEnumValue(v2)) {
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compare(v1, v2);
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} else if (Std.isOfType(v1, Array) && Std.isOfType(v2, Array)) {
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compareArgs(v1, v2);
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} else {
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Reflect.compare(v1, v2);
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}
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}
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override function copy():EnumValueMap<K, V> {
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var copied = new EnumValueMap<K, V>();
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copied.root = root;
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return copied;
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}
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}
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