Vanderlee\Comprehend\Parser\Structure\IterableParser

Complexity

Total Complexity

6

Size/Duplication

Total Lines	43
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	offsetUnset()	0	3	1
A	offsetSet()	0	8	2
A	offsetGet()	0	4	1
A	offsetExists()	0	3	1
A	getIterator()	0	3	1

<?php

namespace Vanderlee\Comprehend\Parser\Structure;

use ArrayAccess;
use ArrayIterator;
use IteratorAggregate;
use Vanderlee\Comprehend\Core\ArgumentsTrait;
use Vanderlee\Comprehend\Parser\Parser;

/**
 * Abstract class indicating a parser that consists of multiple parsers and can be accessed as an array.
 *
 * @author Martijn
 */
abstract class IterableParser extends Parser implements IteratorAggregate, ArrayAccess
{
    use ArgumentsTrait;

    /**
     * @var Parser[]
     */
    protected $parsers = [];

    // implements IteratorAggregate

    public function getIterator()
    {
        return new ArrayIterator($this->parsers);
    }

    // implements ArrayAccess

    public function offsetSet($offset, $value)
    {
        $value = self::getArgument($value);

        if (is_null($offset)) {
            $this->parsers[] = $value;
        } else {
            $this->parsers[$offset] = $value;
        }
    }

    public function offsetExists($offset)
    {
        return isset($this->parsers[$offset]);
    }

    public function offsetUnset($offset)
    {
        unset($this->parsers[$offset]);
    }

    public function offsetGet($offset)
    {
        return $this->parsers[$offset]
            ?? null;
    }
}