Big Change Update

uBlock0.chromium/js/resources/parse-replace.js

@@ -0,0 +1,54 @@
+/*******************************************************************************
+
+    uBlock Origin - a comprehensive, efficient content blocker
+    Copyright (C) 2019-present Raymond Hill
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 this program.  If not, see {http://www.gnu.org/licenses/}.
+
+    Home: https://github.com/gorhill/uBlock
+
+*/
+
+import { createArglistParser } from './shared.js';
+import { registerScriptlet } from './base.js';
+
+/******************************************************************************/
+
+export function parseReplaceFn(s) {
+    if ( s.charCodeAt(0) !== 0x2F /* / */ ) { return; }
+    const parser = createArglistParser('/');
+    parser.nextArg(s, 1);
+    let pattern = s.slice(parser.argBeg, parser.argEnd);
+    if ( parser.transform ) {
+        pattern = parser.normalizeArg(pattern);
+    }
+    if ( pattern === '' ) { return; }
+    parser.nextArg(s, parser.separatorEnd);
+    let replacement = s.slice(parser.argBeg, parser.argEnd);
+    if ( parser.separatorEnd === parser.separatorBeg ) { return; }
+    if ( parser.transform ) {
+        replacement = parser.normalizeArg(replacement);
+    }
+    const flags = s.slice(parser.separatorEnd);
+    try {
+        return { re: new RegExp(pattern, flags), replacement };
+    } catch(_) {
+    }
+}
+registerScriptlet(parseReplaceFn, {
+    name: 'parse-replace.fn',
+    dependencies: [
+        createArglistParser,
+    ],
+});