Yiisoft\Factory\Definition\ParameterDefinition

Complexity

Total Complexity

11

Size/Duplication

Total Lines	59
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	getCallable()	0	11	2
A	isVariadic()	0	3	1
A	__construct()	0	3	1
A	resolve()	0	22	4
A	isOptional()	0	3	1
A	hasValue()	0	3	2

<?php

declare(strict_types=1);

namespace Yiisoft\Factory\Definition;

use ReflectionParameter;
use Yiisoft\Factory\DependencyResolverInterface;
use Yiisoft\Factory\Exception\NotInstantiableException;

final class ParameterDefinition implements DefinitionInterface
{
    private ReflectionParameter $parameter;

    public function __construct(ReflectionParameter $parameter)
    {
        $this->parameter = $parameter;
    }

    public function isVariadic(): bool
    {
        return $this->parameter->isVariadic();
    }

    public function isOptional(): bool
    {
        return $this->parameter->isOptional();
    }

    public function hasValue(): bool
    {
        return $this->parameter->isDefaultValueAvailable() || $this->parameter->allowsNull();
    }

    public function resolve(DependencyResolverInterface $container)
    {
        if ($this->parameter->isDefaultValueAvailable()) {
            return $this->parameter->getDefaultValue();
        }

        if ($this->parameter->allowsNull()) {
            return null;
        }

        if ($this->isOptional()) {
            throw new NotInstantiableException(
                sprintf(
                    'Can not determine default value of parameter "%s" when instantinate "%s" ' .
                    'because it is PHP internal. Please specify argument explicitly.',
                    $this->parameter->getName(),
                    $this->getCallable(),
                )
            );
        }

        throw new NotInstantiableException('Parameter definition does not contain a value.');
    }

    private function getCallable(): string
    {
        $callable = [];

        $class = $this->parameter->getDeclaringClass();
        if ($class !== null) {
            $callable[] = $class->getName();
        }
        $callable[] = $this->parameter->getDeclaringFunction()->getName() . '()';

        return implode('::', $callable);
    }
}