consumeAny example

if (!($name = $this->consumeWord())) {
            throw new Exception("Missing attribute name");
        }
        $part->addName($name);
        while ($this->consume(".")) {
            if (!($name = $this->consumeWord())) {
                throw new Exception("Missing attribute name after dot");
            }
            $part->addName($name);
        }
        $this->consumeWhitespaces();
        $operator = $this->consumeAny($this->attrOperatorChars);
        if ($operator) {
            if (!in_array($operator, $this->attrOperators)) {
                throw new Exception("Invalid attribute operator '$operator'");
            }
            $part->setOperator($operator);
            $this->consumeWhitespaces();
            if (!($value = $this->parseLiteral())) {
                throw new Exception("Missing attribute value");
            }
            $part->setValue($value[0]);
            if ($value[1]) {