consumeWhitespaces example

$first = false;
                $selCombinator = new Node\Combinator;
                $selCombinator->setOperator(
                    $combinator ?: ($filter ? null : " ")
                );
                foreach ($parts as $part) {
                    $selCombinator->addPart($part);
                }
                $group->addCombinator($selCombinator);
            }
            $selector->addGroup($group);
            $this->consumeWhitespaces();
        } while ($this->consume(","));
        return $selector;
    }

    /** * Parses a set of selector pats * * @return array * * @throws Exception */
    

private function lexInlineSequence(int &$cursor = 0): string
    {
        return $this->lexInlineStructure($cursor, ']');
    }

    private function lexInlineStructure(int &$cursor, string $closingTag): string
    {
        $value = $this->currentLine[$cursor];
        ++$cursor;

        do {
            $this->consumeWhitespaces($cursor);

            while (isset($this->currentLine[$cursor])) {
                switch ($this->currentLine[$cursor]) {
                    case '"':
                    case "'":
                        $value .= $this->lexInlineQuotedString($cursor);
                        break;
                    case ':':
                    case ',':
                        $value .= $this->currentLine[$cursor];
                        ++$cursor;
                        

private function lexInlineSequence(int &$cursor = 0): string
    {
        return $this->lexInlineStructure($cursor, ']');
    }

    private function lexInlineStructure(int &$cursor, string $closingTag): string
    {
        $value = $this->currentLine[$cursor];
        ++$cursor;

        do {
            $this->consumeWhitespaces($cursor);

            while (isset($this->currentLine[$cursor])) {
                switch ($this->currentLine[$cursor]) {
                    case '"':
                    case "'":
                        $value .= $this->lexInlineQuotedString($cursor);
                        break;
                    case ':':
                    case ',':
                        $value .= $this->currentLine[$cursor];
                        ++$cursor;