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119 lines
3.3 KiB
119 lines
3.3 KiB
/*******************************************************************************
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µMatrix - a Chromium browser extension to black/white list requests.
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Copyright (C) 2014-2017 Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uMatrix
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*/
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'use strict';
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/******************************************************************************/
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// This will inserted as a module in the µMatrix object.
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µMatrix.utils = (function() {
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/******************************************************************************/
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var gotoURL = function(details) {
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vAPI.tabs.open(details);
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};
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/******************************************************************************/
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var gotoExtensionURL = function(url) {
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vAPI.tabs.open({
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url: url,
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index: -1,
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select: true
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});
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};
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/******************************************************************************/
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var LineIterator = function(text, offset) {
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this.text = text;
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this.textLen = this.text.length;
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this.offset = offset || 0;
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};
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LineIterator.prototype.next = function() {
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var lineEnd = this.text.indexOf('\n', this.offset);
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if ( lineEnd === -1 ) {
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lineEnd = this.text.indexOf('\r', this.offset);
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if ( lineEnd === -1 ) {
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lineEnd = this.textLen;
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}
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}
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var line = this.text.slice(this.offset, lineEnd);
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this.offset = lineEnd + 1;
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return line;
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};
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LineIterator.prototype.rewind = function() {
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if ( this.offset <= 1 ) {
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this.offset = 0;
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return;
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}
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var lineEnd = this.text.lastIndexOf('\n', this.offset - 2);
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if ( lineEnd !== -1 ) {
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this.offset = lineEnd + 1;
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} else {
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lineEnd = this.text.lastIndexOf('\r', this.offset - 2);
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this.offset = lineEnd !== -1 ? lineEnd + 1 : 0;
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}
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};
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LineIterator.prototype.eot = function() {
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return this.offset >= this.textLen;
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};
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/******************************************************************************/
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var setToArray = typeof Array.from === 'function'
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? Array.from
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: function(dict) {
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var out = [],
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entries = dict.values(),
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entry;
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for (;;) {
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entry = entries.next();
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if ( entry.done ) { break; }
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out.push(entry.value);
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}
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return out;
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};
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var setFromArray = function(arr) {
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return new Set(arr);
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};
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/******************************************************************************/
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return {
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gotoURL: gotoURL,
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gotoExtensionURL: gotoExtensionURL,
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LineIterator: LineIterator,
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setToArray: setToArray,
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setFromArray: setFromArray
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};
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/******************************************************************************/
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})();
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/******************************************************************************/
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