mirror of
https://github.com/gorhill/uBlock.git
synced 2026-03-11 09:04:36 +00:00
6c513629bf
Aside extending cosmetic filtering abilities, I expect this will also take care of some long standing issues (I will have to find them and mark them as "resolved" by this commit, as time allow).
113 lines
3.2 KiB
JavaScript
113 lines
3.2 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2015-2016 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/uBlock
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*/
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'use strict';
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/******************************************************************************/
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(function() {
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/******************************************************************************/
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if ( typeof vAPI !== 'object' || typeof vAPI.domFilterer !== 'object' ) {
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return;
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}
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var loggedSelectors = vAPI.loggedSelectors || {},
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matchedSelectors = [],
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selectors, i, selector, entry, nodes, j;
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// CSS-based selectors.
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selectors = vAPI.domFilterer.simpleSelectors.concat(vAPI.domFilterer.complexSelectors);
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i = selectors.length;
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while ( i-- ) {
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selector = selectors[i];
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if ( loggedSelectors.hasOwnProperty(selector) ) {
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continue;
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}
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if ( document.querySelector(selector) === null ) {
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continue;
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}
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loggedSelectors[selector] = true;
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matchedSelectors.push(selector);
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}
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// `:has`-based selectors.
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selectors = vAPI.domFilterer.simpleHasSelectors.concat(vAPI.domFilterer.complexHasSelectors);
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i = selectors.length;
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while ( i-- ) {
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entry = selectors[i];
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selector = entry.a + ':has(' + entry.b + ')';
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if ( loggedSelectors.hasOwnProperty(selector) ) {
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continue;
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}
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nodes = document.querySelectorAll(entry.a);
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j = nodes.length;
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while ( j-- ) {
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if ( nodes[j].querySelector(entry.b) !== null ) {
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loggedSelectors[selector] = true;
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matchedSelectors.push(selector);
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break;
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}
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}
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}
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// `:xpath`-based selectors.
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var xpr = null,
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xpathexpr;
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selectors = vAPI.domFilterer.xpathSelectors;
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i = selectors.length;
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while ( i-- ) {
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xpathexpr = selectors[i];
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selector = ':xpath(' + xpathexpr + ')';
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if ( loggedSelectors.hasOwnProperty(selector) ) {
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continue;
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}
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xpr = document.evaluate(
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'boolean(' + xpathexpr + ')',
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document,
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null,
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XPathResult.BOOLEAN_TYPE,
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xpr
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);
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if ( xpr.booleanValue ) {
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loggedSelectors[selector] = true;
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matchedSelectors.push(selector);
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}
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}
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vAPI.loggedSelectors = loggedSelectors;
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if ( matchedSelectors.length ) {
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vAPI.messaging.send(
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'scriptlets',
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{
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what: 'logCosmeticFilteringData',
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frameURL: window.location.href,
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frameHostname: window.location.hostname,
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matchedSelectors: matchedSelectors
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}
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);
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}
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/******************************************************************************/
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})();
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