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55 lines
1.9 KiB
JavaScript
55 lines
1.9 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a comprehensive, efficient content blocker
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Copyright (C) 2019-present 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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import { createArglistParser } from './shared.js';
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import { registerScriptlet } from './base.js';
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/******************************************************************************/
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export function parseReplaceFn(s) {
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if ( s.charCodeAt(0) !== 0x2F /* / */ ) { return; }
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const parser = createArglistParser('/');
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parser.nextArg(s, 1);
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let pattern = s.slice(parser.argBeg, parser.argEnd);
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if ( parser.transform ) {
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pattern = parser.normalizeArg(pattern);
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}
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if ( pattern === '' ) { return; }
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parser.nextArg(s, parser.separatorEnd);
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let replacement = s.slice(parser.argBeg, parser.argEnd);
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if ( parser.separatorEnd === parser.separatorBeg ) { return; }
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if ( parser.transform ) {
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replacement = parser.normalizeArg(replacement);
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}
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const flags = s.slice(parser.separatorEnd);
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try {
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return { re: new RegExp(pattern, flags), replacement };
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} catch(_) {
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}
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}
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registerScriptlet(parseReplaceFn, {
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name: 'parse-replace.fn',
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dependencies: [
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createArglistParser,
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],
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});
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