forked from mirrors/gecko-dev
78 lines
1.4 KiB
JavaScript
78 lines
1.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at http://mozilla.org/MPL/2.0/. */
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var EXPORTED_SYMBOLS = ['inArray', 'getSet', 'indexOf',
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'remove', 'rindexOf', 'compare'];
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function remove(array, from, to) {
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var rest = array.slice((to || from) + 1 || array.length);
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array.length = from < 0 ? array.length + from : from;
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return array.push.apply(array, rest);
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}
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function inArray(array, value) {
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for (var i in array) {
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if (value == array[i]) {
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return true;
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}
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}
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return false;
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}
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function getSet(array) {
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var narray = [];
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for (var i in array) {
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if (!inArray(narray, array[i])) {
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narray.push(array[i]);
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}
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}
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return narray;
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}
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function indexOf(array, v, offset) {
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for (var i in array) {
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if (offset == undefined || i >= offset) {
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if (!isNaN(i) && array[i] == v) {
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return new Number(i);
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}
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}
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}
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return -1;
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}
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function rindexOf (array, v) {
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var l = array.length;
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for (var i in array) {
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if (!isNaN(i)) {
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var i = new Number(i);
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}
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if (!isNaN(i) && array[l - i] == v) {
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return l - i;
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}
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}
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return -1;
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}
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function compare (array, carray) {
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if (array.length != carray.length) {
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return false;
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}
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for (var i in array) {
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if (array[i] != carray[i]) {
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return false;
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}
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}
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return true;
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}
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