Invoker::getContainer()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 2
Bugs 0 Features 0
Metric Value
cc 1
eloc 1
c 2
b 0
f 0
nc 1
nop 0
dl 0
loc 3
ccs 2
cts 2
cp 1
crap 1
rs 10
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<?php
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declare(strict_types=1);
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/*
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 * This file is part of PHP Invoker.
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 *
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 * PHP version 7.1 and above required
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 *
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 * @author    Divine Niiquaye Ibok <[email protected]>
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 * @copyright 2019 Biurad Group (https://biurad.com/)
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 * @license   https://opensource.org/licenses/BSD-3-Clause License
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace DivineNii\Invoker;
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use DivineNii\Invoker\Exceptions\NotEnoughParametersException;
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use DivineNii\Invoker\Interfaces\ArgumentResolverInterface;
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use DivineNii\Invoker\Interfaces\ArgumentValueResolverInterface;
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use Psr\Container\ContainerInterface;
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/**
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 * Invoke a callable.
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 *
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 * @author Matthieu Napoli <[email protected]>
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 * @author Divine Niiquaye Ibok <[email protected]>
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 */
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class Invoker implements Interfaces\InvokerInterface
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{
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    /** @var CallableResolver */
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    private $callableResolver;
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    /** @var ArgumentResolverInterface */
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    private $argumentResolver;
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    /** @var null|ContainerInterface */
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    private $container;
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    /**
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     * @param iterable<ArgumentValueResolverInterface> $argumentValueResolvers
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     * @param null|ContainerInterface                  $container
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     */
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    public function __construct(iterable $argumentValueResolvers = [], ?ContainerInterface $container = null)
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    {
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        $this->container         = $container;
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        $this->callableResolver  = new CallableResolver($container);
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        $this->argumentResolver  = new ArgumentResolver($argumentValueResolvers, $container);
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function call($callable, array $parameters = [])
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    {
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        $callable           = $this->callableResolver->resolve($callable);
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        $callableReflection = CallableReflection::create($callable);
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        $args               = $this->argumentResolver->getParameters($callableReflection, $parameters);
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        // Sort by array key because call_user_func_array ignores numeric keys
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        \ksort($args);
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        // Check all parameters are resolved
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        $diff = \array_diff_key($callableReflection->getParameters(), $args);
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        if (!empty($diff)) {
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            /** @var \ReflectionParameter $parameter */
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            $parameter = \reset($diff);
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            throw new NotEnoughParametersException(\sprintf(
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                'Unable to invoke the callable because no value was given for parameter %d ($%s)',
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                $parameter->getPosition() + 1,
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                $parameter->name
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            ));
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        }
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        return \call_user_func_array($callable, $args);
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function getArgumentResolver(): ArgumentResolverInterface
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    {
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        return $this->argumentResolver;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function getCallableResolver(): CallableResolver
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    {
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        return $this->callableResolver;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function getContainer(): ?ContainerInterface
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    {
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        return $this->container;
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    }
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}
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