Vanderlee\Comprehend\Parser\Stub

Complexity

Total Complexity

9

Size/Duplication

Total Lines	47
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__get()	0	7	2
A	parse()	0	12	3
A	__set()	0	7	2
A	__toString()	0	6	2

<?php

namespace Vanderlee\Comprehend\Parser;

use InvalidArgumentException;
use UnexpectedValueException;
use Vanderlee\Comprehend\Core\ArgumentsTrait;
use Vanderlee\Comprehend\Core\Context;
use Vanderlee\Comprehend\Match\Success;

/**
 * Description of StubParser.
 *
 * @property Parser|null $parser
 *
 * @author Martijn
 */
class Stub extends Parser
{
    use ArgumentsTrait;

    /**
     * @var Parser|null
     */
    private $parser = null;

    public function __set($name, $parser)
    {
        if ($name === 'parser') {
            return $this->parser = self::getArgument($parser);
        }

        throw new InvalidArgumentException('Property `' . $name . '` does not exist');
    }

    public function __get($name)
    {
        if ($name === 'parser') {
            return $this->parser;
        }

        throw new InvalidArgumentException('Property `' . $name . '` does not exist');
    }

    protected function parse(&$input, $offset, Context $context)
    {
        if ($this->parser === null) {
            throw new UnexpectedValueException('Missing parser');
        }

        $match = $this->parser->parse($input, $offset, $context);
        if ($match instanceof Success) {
            return $this->success($input, $offset, $match->length, $match);
        }

        return $this->failure($input, $offset, $match->length);
    }

    public function __toString()
    {
        /* @noinspection HtmlUnknownTag */
        return $this->parser
            ? (string)$this->parser
            : '<undefined>';
    }
}