Completed
Push — master ( f481c9...9687e7 )
by Jesse
02:34
created

CanBeInteger::my()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 7
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 2
eloc 4
nc 2
nop 1
dl 0
loc 7
rs 9.4285
c 0
b 0
f 0
1
<?php
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declare(strict_types=1);
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namespace Stratadox\Hydration\Mapping\Property\Scalar;
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use function array_key_exists;
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use Stratadox\Hydration\Mapping\Property\MissingTheKey;
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use Stratadox\Hydration\Mapping\Property\UnmappableProperty;
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use Stratadox\HydrationMapping\ExposesDataKey;
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use Stratadox\HydrationMapping\UnmappableInput;
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/**
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 * Decorates scalar type declaration with a possibly integer property.
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 *
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 * @package Stratadox\Hydrate
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 * @author  Stratadox
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 */
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final class CanBeInteger implements ExposesDataKey
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{
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    private $or;
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    private function __construct(ExposesDataKey $mapping)
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    {
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        $this->or = $mapping;
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    }
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    /**
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     * Creates a new possibly integer type wrapper.
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     *
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     * @param ExposesDataKey $mapping The mapping to decorate.
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     * @return self                   The possibly integer mapping.
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     */
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    public static function or(ExposesDataKey $mapping): self
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    {
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        return new self($mapping);
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    }
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    /** @inheritdoc */
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    public function value(array $data, $owner = null)
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    {
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        $value = $this->my($data);
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        if ($this->looksLikeAnInteger($value)) {
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            return (int) $value;
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        }
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        try {
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            return $this->or->value($data, $owner);
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        } catch (UnmappableInput $exception) {
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            throw UnmappableProperty::addAlternativeTypeInformation(
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                'integer',
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                $exception
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            );
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        }
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    }
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    /** @inheritdoc */
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    public function name(): string
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    {
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        return $this->or->name();
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    }
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    /** @inheritdoc */
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    public function key(): string
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    {
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        return $this->or->key();
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    }
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    /** @throws UnmappableInput */
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    private function my(array $data)
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    {
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        $key = $this->or->key();
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        if (array_key_exists($key, $data)) {
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            return $data[$key];
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        }
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        throw MissingTheKey::inTheInput($data, $this, $key);
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    }
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    private function looksLikeAnInteger($value): bool
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    {
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        if (!preg_match('/^[-+]?\d+$/', (string) $value)) {
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            return false;
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        }
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        if ($value > PHP_INT_MAX || $value < PHP_INT_MIN) {
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            return false;
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        }
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        return true;
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    }
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}
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