Container::__construct() - Code Metrics - Inspection of "Merge remote-tracking branch 'origin/main' into ma..." - brenoroosevelt/habemus - Measure and Improve Code Quality continuously with Scrutinizer

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by Breno
created 2021-08-16 17:59 UTC
Container::__construct() A

↳ Parent: Container
Complexity

Conditions	1
Paths	1
Size

Total Lines	21
Code Lines	16
Duplication

Lines	0
Ratio	0 %
Importance

Changes	1
Bugs	0	Features	0
Metric	Value
cc	1
eloc	16
nc	1
nop	0
dl	0
loc	21
rs	9.7333
c	1
b	0
f	0
<?php
declare(strict_types=1);

namespace Habemus;

use ArrayAccess;
use Habemus\Autowiring\Attributes\AttributesInjection;
use Habemus\Autowiring\ClassResolver;
use Habemus\Autowiring\Parameter\ParameterResolverChain;
use Habemus\Autowiring\ReflectionClassResolver;
use Habemus\Autowiring\Reflector;
use Habemus\Definition\AutoDetection;
use Habemus\Definition\Build\ClassDefinition;
use Habemus\Definition\Build\RawDefinition;
use Habemus\Definition\Definition;
use Habemus\Definition\DefinitionDetection;
use Habemus\Definition\DefinitionBuilder;
use Habemus\Definition\DefinitionList;
use Habemus\Definition\DefinitionResolver;
use Habemus\Definition\DefinitionResolverInterface;
use Habemus\Definition\DefinitionWrapper;
use Habemus\Definition\Sharing\Shareable;
use Habemus\Exception\ContainerException;
use Habemus\Exception\NotFoundException;
use Habemus\ServiceProvider\ServiceProvider;
use Habemus\ServiceProvider\ServiceProviderManager;
use Psr\Container\ContainerInterface;

class Container implements ContainerInterface, ArrayAccess
{
    use DefinitionBuilder;

    /**
     * @var CircularDependencyDetection
     */
    protected $circularDependencyDetection;

    /**
     * @var DefinitionList
     */
    protected $definitions;

    /**
     * @var ResolvedList
     */
    protected $resolved;

    /**
     * @var DefinitionDetection
     */
    protected $detection;

    /**
     * @var DefinitionResolverInterface
     */
    protected $definitionResolver;

    /**
     * @var ClassResolver
     */
    protected $classResolver;

    /**
     * @var Reflector
     */
    protected $reflector;

    /**
     * @var AttributesInjection
     */
    protected $attributesInjection;

    /**
     * @var ServiceProviderManager
     */
    protected $providers;

    /**
     * @var ContainerComposite
     */
    protected $delegates;

    /**
     * @var bool
     */
    protected $defaultShared;

    /**
     * @var bool
     */
    protected $useAutowire;

    /**
     * @var bool
     */
    protected $useAttributes;

    public function __construct()
    {
        $this->reflector = new Reflector();
        $this->useAutowire = true;
        $this->defaultShared = true;
        $this->useAttributes = $this->reflector->attributesAvailable();

        $this->circularDependencyDetection = new CircularDependencyDetection();
        $this->definitions = new DefinitionList();
        $this->resolved = new ResolvedList();
        $this->delegates = new ContainerComposite();
        $this->providers = new ServiceProviderManager($this);
        $this->attributesInjection = new AttributesInjection($this, $this->reflector);
        $this->classResolver = new ReflectionClassResolver(
            ParameterResolverChain::default($this, $this->attributesInjection, $this->reflector)
        );
        $this->definitionResolver = new DefinitionResolver($this, $this->resolved, $this->attributesInjection);
        $this->detection = new AutoDetection($this, $this->classResolver);

        $this->add(ContainerInterface::class, new RawDefinition($this));
        $this->add(self::class, new RawDefinition($this));
    }

    public function add(string $id, $value = null): DefinitionWrapper
    {
        $value = $value === null && count(func_get_args()) === 1 ? $id : $value;
        $definition = $this->detection->detect($value);
        $definition->setIdentity($id);

        $this->resolved->delete($id);
        $this->definitions->add($definition);

        if ($definition instanceof Shareable && $definition->isShared() === null) {
            $definition->setShared($this->defaultShared);
        }

        if ($definition instanceof RawDefinition) {
            $this->resolved->share($id, $definition->getValue());
        }

        return new DefinitionWrapper($definition);
    }

    public function has($id): bool
    {
        $this->assertString($id);
        return
            $this->resolved->has($id)           ||
            $this->definitions->has($id)        ||
            $this->definitions->hasTag($id)     ||
            $this->providers->provides($id)     ||
            $this->delegates->has($id)          ||
            $this->shouldAutowireResolve($id);
    }

    public function get($id)
    {
        $this->assertString($id);
        if ($this->resolved->has($id)) {
            return $this->resolved->get($id);
        }

        return
            $this->circularDependencyDetection->execute($id, function () use ($id) {
                return $this->resolve($id);
            });
    }

    protected function resolve(string $id)
    {
        $this->providers->registerLazyProviderFor($id);

        if ($this->definitions->has($id)) {
            $definition = $this->definitions->get($id);
            return $this->definitionResolver->resolve($definition);
        }

        if ($this->definitions->hasTag($id)) {
            $tagged = $this->definitions->getTagged($id);
            return $this->definitionResolver->resolveMany(...$tagged);
        }

        if ($this->shouldAutowireResolve($id)) {
            $definition =
                (new ClassDefinition($id))
                    ->setIdentity($id)
                    ->setShared($this->defaultShared)
                    ->setClassResolver($this->classResolver);
            return $this->definitionResolver->resolve($definition);
        }

        if ($this->delegates->has($id)) {
            return $this->delegates->get($id);
        }

        throw NotFoundException::noEntryWasFound($id);
    }

    public function delete(string $id): void
    {
        $this->definitions->delete($id);
        $this->resolved->delete($id);
    }

    public function definition(string $id): DefinitionWrapper
    {
        return new DefinitionWrapper($this->definitions->get($id));
    }

    public function injectDependency($object)
    {
        $this->attributesInjection->inject($object);
    }

    /**
     * @param string|array|\Closure $target
     * @param array $args
     * @return mixed
     * @throws Exception\UnresolvableParameterException
     * @throws \ReflectionException
     */
    public function invoke($target, array $args = [])
    {
        if ((is_string($target) && function_exists($target)) || $target instanceof \Closure) {
            $reflectionFunction = new \ReflectionFunction($target);
            $arguments = $this->classResolver->resolveArguments($reflectionFunction, $args);
            $arguments = $this->classResolver->resolveArguments($reflectionFunction, $args);
            return $reflectionFunction->invokeArgs($arguments);
        }

        if (is_object($target) && method_exists($target, '__invoke')) {

            $target = [$target, "__invoke"];
        }

        if (is_string($target) && class_exists($target)) {
            $target = [$target, "__invoke"];
        }

        if (is_array($target) && count($target) === 2) {
            list($objectOrClass, $method) = $target;
            $reflectionMethod = new \ReflectionMethod($objectOrClass, $method);
            $arguments = $this->classResolver->resolveArguments($reflectionMethod, $args);

            if ($reflectionMethod->isStatic()) {
                $objectOrClass = null;
            } elseif (is_string($objectOrClass) && $this->has($objectOrClass)) {
                $objectOrClass = $this->get($objectOrClass);
            }

            return $reflectionMethod->invokeArgs($objectOrClass, $arguments);
        }
        $targetName = is_string($target) ? $target : gettype($target);
        throw new ContainerException('Target is not invokable: ' . $targetName);
    }

    public function addProvider(ServiceProvider ...$providers): self
    {
        $this->providers->add(...$providers);
        return $this;
    }

    public function addDelegate(ContainerInterface $container, ?int $priority = null): self
    {
        $this->delegates->add($container, $priority);
        return $this;
    }

    public function useDefaultShared(bool $share): self
    {
        $this->defaultShared = $share;
        return $this;
    }

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

    public function autowireEnabled(): bool
    {
        return $this->useAutowire;
    }

    public function useAutowire(bool $enabled): self
    {
        $this->useAutowire = $enabled;
        return $this;
    }

    public function attributesEnabled(): bool
    {
        return $this->useAttributes;
    }

    public function useAttributes(bool $useAttributes): self
    {
        if ($useAttributes) {
            $this->reflector->assertAttributesAvailable();
        }

        $this->useAttributes = $useAttributes;
        return $this;
    }

    protected function shouldAutowireResolve($id): bool
    {
        return $this->useAutowire && $this->classResolver->canResolve($id);
    }

    public function offsetExists($offset): bool
    {
        return $this->has($offset);
    }

    public function offsetGet($offset)
    {
        return $this->get($offset);
    }

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

    public function offsetUnset($offset)
    {
        $this->delete($offset);
    }

    protected function assertString($value): void
    {
        if (!is_string($value)) {
            throw new ContainerException(
                sprintf(
                    "Expected string. Got: %s.",
                    is_object($value) ? get_class($value) : gettype($value)
                )
            );
        }
    }
}

brenoroosevelt / habemus

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Container::__construct() A

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