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Issue 29737558: Issue 6538, 6781 - Implement support for snippet filters (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Fix normalization and add more tests Created April 26, 2018, 3:07 p.m.
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1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-present 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 "use strict";
19
20 /**
21 * @fileOverview Snippets implementation.
22 */
23
24 const {ElemHide} = require("./elemHide");
25 const {Filter} = require("./filterClasses");
26
27 let filters = new Set();
28
29 /**
30 * Container for snippet filters
31 * @class
32 */
33 let Snippets = {
34 /**
35 * Removes all known filters
36 */
37 clear()
38 {
39 filters.clear();
40 },
41
42 /**
43 * Add a new snippet filter
44 * @param {SnippetFilter} filter
45 */
46 add(filter)
47 {
48 filters.add(filter.text);
49 },
50
51 /**
52 * Removes a snippet filter
53 * @param {SnippetFilter} filter
54 */
55 remove(filter)
56 {
57 filters.delete(filter.text);
58 },
59
60 /**
61 * Returns a list of all scripts active on a particular domain
62 * @param {string} domain
63 * @return {SnippetFilter[]}
64 */
65 getScriptsForDomain(domain)
66 {
67 let result = [];
68 for (let text of filters)
69 {
70 let filter = Filter.fromText(text);
71 if (filter.isActiveOnDomain(domain) &&
72 !ElemHide.getException(filter, domain))
73 {
74 result.push(filter);
75 }
76 }
77 return result;
78 }
79 };
80
81 exports.Snippets = Snippets;
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