*` (false) or `+` (true). */ public function __construct( array $options = [] ) { $this->significant = !empty( $options['significant'] ); } /** @inheritDoc */ protected function generateMatches( ComponentValueList $values, $start, array $options ) { $end = $start; while ( isset( $values[$end] ) && // @phan-suppress-next-line PhanNonClassMethodCall False positive $values[$end] instanceof Token && $values[$end]->type() === Token::T_WHITESPACE ) { $end++; } // If it's not significant, return whatever we found. if ( !$this->significant ) { yield $this->makeMatch( $values, $start, $end ); return; } // If we found zero whitespace, $options says we're skipping // whitespace, and whitespace was actually skipped, rewind one token. // Otherwise, return no match. if ( $end === $start ) { $start--; if ( !$options['skip-whitespace'] || !isset( $values[$start] ) || // @phan-suppress-next-line PhanNonClassMethodCall False positive !$values[$start] instanceof Token || $values[$start]->type() !== Token::T_WHITESPACE ) { return; } } // Return the match. Include a 'significantWhitespace' capture. yield $this->makeMatch( $values, $start, $end, new GrammarMatch( $values, $start, 1, 'significantWhitespace' ) ); } }