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Add new procedural cosmetic operator: :matches-path(...)
Related issue: - https://github.com/uBlockOrigin/uBlock-issues/issues/1690 New procedural operator: `:matches-path(...)` Description: this is a all-or-nothing passthrough operator, which on/off behavior is dictated by whether the argument match the path of the current location. The argument can be either plain text to be found at any position in the path, or a literal regex against which the path is tested. Whereas cosmetic filters can be made specific to whole domain, the new `:matches-path()` operator allows to further narrow the specificity according to the path of the current document lcoation. Typically this procedural operator is used as first operator in a procedural cosmetic filter, so as to ensure that no further matching work is performed should there be no match against the current path of the current document location. Example of usage: example.com##:matches-path(/shop) p Will hide all `p` elements when visiting `https://example.com/shop/stuff`, but not when visiting `https://example.com/` or any other page on `example.com` which has no instance of `/shop` in the path part of the URL.
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@ -417,9 +417,8 @@ const initHints = function() {
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const parser = new StaticFilteringParser();
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const proceduralOperatorNames = new Map(
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Array.from(parser.proceduralOperatorTokens).filter(item => {
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return (item[1] & 0b01) !== 0;
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})
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Array.from(parser.proceduralOperatorTokens)
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.filter(item => (item[1] & 0b01) !== 0)
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);
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const excludedHints = new Set([
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'genericblock',
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@ -102,6 +102,21 @@ const PSelectorMinTextLengthTask = class {
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}
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};
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const PSelectorMatchesPathTask = class {
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constructor(task) {
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let arg0 = task[1], arg1;
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if ( Array.isArray(task[1]) ) {
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arg1 = arg0[1]; arg0 = arg0[0];
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}
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this.needle = new RegExp(arg0, arg1);
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}
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transpose(node, output) {
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if ( this.needle.test(self.location.pathname) ) {
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output.push(node);
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}
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}
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};
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// https://github.com/AdguardTeam/ExtendedCss/issues/31#issuecomment-302391277
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// Prepend `:scope ` if needed.
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const PSelectorSpathTask = class {
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@ -232,6 +247,7 @@ const PSelector = class {
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[ ':matches-css', PSelectorMatchesCSSTask ],
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[ ':matches-css-after', PSelectorMatchesCSSAfterTask ],
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[ ':matches-css-before', PSelectorMatchesCSSBeforeTask ],
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[ ':matches-path', PSelectorMatchesPathTask ],
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[ ':min-text-length', PSelectorMinTextLengthTask ],
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[ ':not', PSelectorIfNotTask ],
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[ ':nth-ancestor', PSelectorUpwardTask ],
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@ -1618,6 +1618,7 @@ Parser.prototype.SelectorCompiler = class {
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case ':spath':
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raw.push(task[1]);
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break;
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case ':matches-path':
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case ':min-text-length':
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case ':upward':
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case ':watch-attr':
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@ -1793,6 +1794,8 @@ Parser.prototype.SelectorCompiler = class {
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return this.compileCSSDeclaration(args);
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case ':matches-css-before':
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return this.compileCSSDeclaration(args);
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case ':matches-path':
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return this.compileText(args);
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case ':min-text-length':
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return this.compileInteger(args);
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case ':not':
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@ -1826,6 +1829,7 @@ Parser.prototype.proceduralOperatorTokens = new Map([
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[ 'matches-css', 0b11 ],
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[ 'matches-css-after', 0b11 ],
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[ 'matches-css-before', 0b11 ],
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[ 'matches-path', 0b01 ],
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[ 'min-text-length', 0b01 ],
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[ 'not', 0b01 ],
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[ 'nth-ancestor', 0b00 ],
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