Diacdg\TypedArray\AbstractTypedArray

Complexity

Total Complexity

9

Size/Duplication

Total Lines	42
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	exchangeArray()	0	5	1
A	__construct()	0	6	1
A	checkType()	0	4	5
A	checkAllElements()	0	5	1
A	offsetSet()	0	7	1

<?php
declare(strict_types=1);

namespace Diacdg\TypedArray;

abstract class AbstractTypedArray extends \ArrayObject
{
    protected $valueType;

    public function __construct(string $valueType, array $array = [], int $flags = 0, string $iteratorClass = "ArrayIterator") {
        $this->valueType = $valueType;

        $this->checkAllElements($array);

        parent::__construct($array, $flags, $iteratorClass);
    }

    public function offsetSet($offset, $value)
    {
        $this->checkType($value);

        $this->checkOffset($offset);

        parent::offsetSet($offset, $value);
    }

    public function exchangeArray($array)
    {
        $this->checkAllElements($array);

        parent::exchangeArray($array);
    }

    protected function checkType($value): void
    {
        if (gettype($value) !== strtolower($this->valueType) && !$value instanceof $this->valueType && !($this->valueType === 'callable' && is_callable($value))) {
            throw new \InvalidArgumentException('Value must be of type ' . $this->valueType . " but value of type " . gettype($value) . " given.");
        }
    }

    abstract protected function checkOffset($offset): void;

    private function checkAllElements(array $array): void
    {
        array_walk($array, function ($value, $offset) {
            $this->checkOffset($offset);
            $this->checkType($value);
        });
    }
}