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| 1 /* |  | 
| 2  * This file is part of Adblock Plus <https://adblockplus.org/>, |  | 
| 3  * Copyright (C) 2006-2016 Eyeo GmbH |  | 
| 4  * |  | 
| 5  * Adblock Plus is free software: you can redistribute it and/or modify |  | 
| 6  * it under the terms of the GNU General Public License version 3 as |  | 
| 7  * published by the Free Software Foundation. |  | 
| 8  * |  | 
| 9  * Adblock Plus is distributed in the hope that it will be useful, |  | 
| 10  * but WITHOUT ANY WARRANTY; without even the implied warranty of |  | 
| 11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the |  | 
| 12  * GNU General Public License for more details. |  | 
| 13  * |  | 
| 14  * You should have received a copy of the GNU General Public License |  | 
| 15  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>. |  | 
| 16  */ |  | 
| 17 |  | 
| 18 /** |  | 
| 19  * @fileOverview CSS property filtering implementation. |  | 
| 20  */ |  | 
| 21 |  | 
| 22 let {ElemHide} = require("elemHide"); |  | 
| 23 let {Filter} =  require("filterClasses"); |  | 
| 24 |  | 
| 25 let filters = Object.create(null); |  | 
| 26 |  | 
| 27 /** |  | 
| 28  * CSS rules component |  | 
| 29  * @class |  | 
| 30  */ |  | 
| 31 let CSSRules = exports.CSSRules = |  | 
| 32 { |  | 
| 33   /** |  | 
| 34    * Removes all known filters |  | 
| 35    */ |  | 
| 36   clear: function() |  | 
| 37   { |  | 
| 38     filters = Object.create(null); |  | 
| 39   }, |  | 
| 40 |  | 
| 41   /** |  | 
| 42    * Add a new CSS property filter |  | 
| 43    * @param {CSSPropertyFilter} filter |  | 
| 44    */ |  | 
| 45   add: function(filter) |  | 
| 46   { |  | 
| 47     filters[filter.text] = true; |  | 
| 48   }, |  | 
| 49 |  | 
| 50   /** |  | 
| 51    * Removes a CSS property filter |  | 
| 52    * @param {CSSPropertyFilter} filter |  | 
| 53    */ |  | 
| 54   remove: function(filter) |  | 
| 55   { |  | 
| 56     delete filters[filter.text]; |  | 
| 57   }, |  | 
| 58 |  | 
| 59   /** |  | 
| 60    * Returns a list of all rules active on a particular domain |  | 
| 61    * @param {String} domain |  | 
| 62    * @return {CSSPropertyFilter[]} |  | 
| 63    */ |  | 
| 64   getRulesForDomain: function(domain) |  | 
| 65   { |  | 
| 66     let result = []; |  | 
| 67     let keys = Object.getOwnPropertyNames(filters); |  | 
| 68     for (let key of keys) |  | 
| 69     { |  | 
| 70       let filter = Filter.fromText(key); |  | 
| 71       if (filter.isActiveOnDomain(domain) && !ElemHide.getException(filter, doma
    in)) |  | 
| 72         result.push(filter); |  | 
| 73     } |  | 
| 74     return result; |  | 
| 75   } |  | 
| 76 }; |  | 
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