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25 lines
611 B
PHP
25 lines
611 B
PHP
<?php
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/**
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* @file
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* @license https://opensource.org/licenses/Apache-2.0 Apache-2.0
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*/
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namespace Wikimedia\CSS\Grammar;
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use Wikimedia\CSS\Objects\ComponentValueList;
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use Wikimedia\CSS\Objects\Token;
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/**
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* Matcher that asserts there was no whitespace before the current position.
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*/
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class NoWhitespace extends Matcher {
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/** @inheritDoc */
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protected function generateMatches( ComponentValueList $values, $start, array $options ) {
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$cv = $values[$start - 1] ?? null;
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if ( !$cv instanceof Token || $cv->type() !== Token::T_WHITESPACE ) {
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yield $this->makeMatch( $values, $start, $start );
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}
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}
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}
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