pokemon-showdown-client/lib/css-sanitizer/Wikimedia/CSS/Grammar/NoWhitespace.php

24 lines
617 B
PHP

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