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1 /* | 1 /* |
2 * This file is part of Adblock Plus <https://adblockplus.org/>, | 2 * This file is part of Adblock Plus <https://adblockplus.org/>, |
3 * Copyright (C) 2006-2015 Eyeo GmbH | 3 * Copyright (C) 2006-2015 Eyeo GmbH |
4 * | 4 * |
5 * Adblock Plus is free software: you can redistribute it and/or modify | 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 | 6 * it under the terms of the GNU General Public License version 3 as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
8 * | 8 * |
9 * Adblock Plus is distributed in the hope that it will be useful, | 9 * Adblock Plus is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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33 return "\\" + code.toString(16) + " "; | 33 return "\\" + code.toString(16) + " "; |
34 | 34 |
35 return "\\" + chr; | 35 return "\\" + chr; |
36 } | 36 } |
37 | 37 |
38 /** | 38 /** |
39 * Escapes a token (e.g. tag, id, class or attribute) to be used in CSS selector
s. | 39 * Escapes a token (e.g. tag, id, class or attribute) to be used in CSS selector
s. |
40 * | 40 * |
41 * @param {string} s | 41 * @param {string} s |
42 * @return {string} | 42 * @return {string} |
| 43 * @static |
43 */ | 44 */ |
44 function escapeCSS(s) | 45 function escapeCSS(s) |
45 { | 46 { |
46 return s.replace(/^[\d\-]|[^\w\-\u0080-\uFFFF]/g, escapeChar); | 47 return s.replace(/^[\d\-]|[^\w\-\u0080-\uFFFF]/g, escapeChar); |
47 } | 48 } |
48 exports.escapeCSS = escapeCSS; | 49 exports.escapeCSS = escapeCSS; |
49 | 50 |
50 /** | 51 /** |
51 * Quotes a string to be used as attribute value in CSS selectors. | 52 * Quotes a string to be used as attribute value in CSS selectors. |
52 * | 53 * |
53 * @param {string} value | 54 * @param {string} value |
54 * @return {string} | 55 * @return {string} |
| 56 * @static |
55 */ | 57 */ |
56 function quoteCSS(value) | 58 function quoteCSS(value) |
57 { | 59 { |
58 return '"' + value.replace(/["\\\{\}\x00-\x1F\x7F]/g, escapeChar) + '"'; | 60 return '"' + value.replace(/["\\\{\}\x00-\x1F\x7F]/g, escapeChar) + '"'; |
59 } | 61 } |
60 exports.quoteCSS = quoteCSS; | 62 exports.quoteCSS = quoteCSS; |
61 | 63 |
62 /** | 64 /** |
63 * Generates filters to block an element. | 65 * Generates filters to block an element. |
64 * @param {Object} details | 66 * @param {Object} details |
65 * @param {string} details.tagName The element's tag name | 67 * @param {string} details.tagName The element's tag name |
66 * @param {string} details.id The element's "id" attribute | 68 * @param {string} details.id The element's "id" attribute |
67 * @param {string} details.src The element's "src" attribute | 69 * @param {string} details.src The element's "src" attribute |
68 * @param {string} details.style The element's "style" attribute | 70 * @param {string} details.style The element's "style" attribute |
69 * @param {string[]} details.classes The classes given by the element's "class"
attribute | 71 * @param {string[]} details.classes The classes given by the element's "class"
attribute |
70 * @param {string[]} details.urls The URLs considered when loading the eleme
nt | 72 * @param {string[]} details.urls The URLs considered when loading the eleme
nt |
71 * @param {string} details.type The request type (will be ignored if there
are no URLs) | 73 * @param {string} details.type The request type (will be ignored if there
are no URLs) |
72 * @param {string} details.baseURL The URL of the document containing the ele
ment | 74 * @param {string} details.baseURL The URL of the document containing the ele
ment |
73 * @param {Page} details.page The page containing the element | 75 * @param {Page} details.page The page containing the element |
74 * @param {Frame} details.frame The frame containing the element | 76 * @param {Frame} details.frame The frame containing the element |
75 * | 77 * |
76 * @return {object} An object holding the list of generated filters and | 78 * @return {object} An object holding the list of generated filters and |
77 * the list of CSS selectors for the included element | 79 * the list of CSS selectors for the included element |
78 * hiding filters: {filters: [...], selectors: [...]} | 80 * hiding filters: {filters: [...], selectors: [...]} |
79 */ | 81 */ |
80 function composeFilters(details) | 82 exports.composeFilters = function(details) |
81 { | 83 { |
82 let filters = []; | 84 let filters = []; |
83 let selectors = []; | 85 let selectors = []; |
84 | 86 |
85 let page = details.page; | 87 let page = details.page; |
86 let frame = details.frame; | 88 let frame = details.frame; |
87 | 89 |
88 if (!isFrameWhitelisted(page, frame, "DOCUMENT")) | 90 if (!isFrameWhitelisted(page, frame, "DOCUMENT")) |
89 { | 91 { |
90 let docDomain = extractHostFromFrame(frame); | 92 let docDomain = extractHostFromFrame(frame); |
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134 if (details.style && selectors.length == 0 && filters.length == 0) | 136 if (details.style && selectors.length == 0 && filters.length == 0) |
135 selectors.push(escapeCSS(details.tagName) + "[style=" + quoteCSS(details
.style) + "]"); | 137 selectors.push(escapeCSS(details.tagName) + "[style=" + quoteCSS(details
.style) + "]"); |
136 | 138 |
137 // Add an element hiding filter for each generated CSS selector | 139 // Add an element hiding filter for each generated CSS selector |
138 for (let selector of selectors) | 140 for (let selector of selectors) |
139 filters.push(docDomain.replace(/^www\./, "") + "##" + selector); | 141 filters.push(docDomain.replace(/^www\./, "") + "##" + selector); |
140 } | 142 } |
141 } | 143 } |
142 | 144 |
143 return {filters: filters, selectors: selectors}; | 145 return {filters: filters, selectors: selectors}; |
144 } | 146 }; |
145 exports.composeFilters = composeFilters; | |
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