ProxyManager\Generator\MagicMethodGenerator

Complexity

Total Complexity

5

Size/Duplication

Total Lines	55
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	17	3
B	addOrReplaceParameterNames()	0	27	2

<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license.
 */

declare(strict_types=1);

namespace ProxyManager\Generator;

use ReflectionClass;
use Zend\Code\Generator\ParameterGenerator;
use Zend\Code\Reflection\ParameterReflection;

/**
 * Method generator for magic methods
 *
 * @author Marco Pivetta <ocramius@gmail.com>
 * @license MIT
 */
class MagicMethodGenerator extends MethodGenerator
{
    /**
     * @param ReflectionClass      $originalClass
     * @param string               $name
     * @param ParameterGenerator[] $parameters
     *
     * @throws \Zend\Code\Generator\Exception\InvalidArgumentException
     */
    public function __construct(ReflectionClass $originalClass, string $name, array $parameters = [])
    {
        parent::__construct($name, [], static::FLAG_PUBLIC);

        $this->setReturnsReference(strtolower($name) === '__get');

        if ($originalClass->hasMethod($name)) {
            $originalMethod = $originalClass->getMethod($name);

            $this->setDocBlock('{@inheritDoc}');
            $this->setReturnsReference($originalMethod->returnsReference());
            $this->setReturnType(((string) $originalMethod->getReturnType()) ?: null);
            $this->addOrReplaceParameterNames($originalMethod, ...$parameters);
        } else {
            $this->setParameters($parameters);
        }
    }

    private function addOrReplaceParameterNames(
        \ReflectionMethod $originalMethod,
        ParameterGenerator ...$newParameters
    ) : void {
        $originalParameters  = array_values(array_map(
            function (\ReflectionParameter $parameter) use ($originalMethod) : ParameterGenerator {
                return ParameterGenerator::fromReflection(new ParameterReflection(
                    [$originalMethod->getDeclaringClass()->getName(), $originalMethod->getName()],
                    $parameter->getPosition()
                ));
            },
            $originalMethod->getParameters()
        ));

        $parametersCount = max(count($originalParameters), count($newParameters));
        $parameters      = [];

        for ($idx = 0; $idx < $parametersCount; $idx += 1) {
            $parameter = $originalParameters[$idx] ?? $newParameters[$idx];

            $parameter->setName(($newParameters[$idx] ?? $originalParameters[$idx])->getName());

            $parameters[] = $parameter;
        }

        $this->setParameters($parameters);
    }
}