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/*
* This file is part of Adblock Plus <https://adblockplus.org/>,
* Copyright (C) 2006-2017 eyeo GmbH
*
* Adblock Plus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* Adblock Plus is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
*/
"use strict";
/**
* @fileOverview Element hiding emulation implementation.
*/
const {ElemHide} = require("elemHide");
const {Filter} = require("filterClasses");
let filters = Object.create(null);
/**
* Container for element hiding emulation filters
* @class
*/
let ElemHideEmulation = {
/**
* Removes all known filters
*/
clear()
{
filters = Object.create(null);
},
/**
* Add a new element hiding emulation filter
* @param {ElemHideEmulationFilter} filter
*/
add(filter)
{
filters[filter.text] = true;
},
/**
* Removes an element hiding emulation filter
* @param {ElemHideEmulationFilter} filter
*/
remove(filter)
{
delete filters[filter.text];
},
/**
* Returns a list of all rules active on a particular domain
* @param {string} domain
* @return {ElemHideEmulationFilter[]}
*/
getRulesForDomain(domain)
{
let result = [];
let keys = Object.getOwnPropertyNames(filters);
for (let key of keys)
{
let filter = Filter.fromText(key);
if (filter.isActiveOnDomain(domain) &&
!ElemHide.getException(filter, domain))
{
result.push(filter);
}
}
return result;
}
};
exports.ElemHideEmulation = ElemHideEmulation;
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