Container::resolveClass() - Code Metrics - Inspection of "fix PHP 8 compatibility" - pryley/castor-framework - Measure and Improve Code Quality continuously with Scrutinizer

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by Paul

created 2021-01-08 00:00 UTC

Container::resolveClass() A

↳ Parent: Container

Complexity

Conditions	3
Paths	3

Size

Total Lines	9
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	1	Features	0

Metric	Value
cc	3
eloc	6
c	2
b	1
f	0
nc	3
nop	1
dl	0
loc	9
rs	10

<?php

namespace GeminiLabs\Castor;

use Closure;
use GeminiLabs\Castor\Exceptions\BindingResolutionException;
use ReflectionClass;
use ReflectionParameter;

abstract class Container
{
    /**
     * The current globally available container (if any).
     *
     * @var static
     */
    protected static $instance;

    /**
     * The container's bound services.
     *
     * @var array
     */
    protected $services = [];

    /**
     * The container's bucket items.
     *
     * @var array
     */
    protected $bucket = [];

    /**
     * Set the globally available instance of the container.
     *
     * @return static
     */
    public static function getInstance()
    {
        if (is_null(static::$instance)) {
            static::$instance = new static();
        }

        return static::$instance;
    }

    /**
     * Bind a service to the container.
     *
     * @param string $alias
     * @param mixed  $concrete
     *
     * @return mixed
     */
    public function bind($alias, $concrete)
    {
        $this->services[$alias] = $concrete;
    }

    /**
     * Resolve the given type from the container.
     * Allow unbound aliases that omit the root namespace
     * i.e. 'Controller' translates to 'GeminiLabs\Castor\Controller'.
     *
     * @param mixed $abstract
     *
     * @return mixed
     */
    public function make($abstract)
    {
        $service = isset($this->services[$abstract])
            ? $this->services[$abstract]
            : $this->addNamespace($abstract);

        if (is_callable($service)) {
            return call_user_func_array($service, [$this]);
        }
        if (is_object($service)) {
            return $service;
        }

        return $this->resolve($service);
    }

    /**
     * Register a shared binding in the container.
     *
     * @param string               $abstract
     * @param \Closure|string|null $concrete
     *
     * @return void
     */
    public function singleton($abstract, $concrete)
    {
        $this->bind($abstract, $this->make($concrete));
    }

    /**
     * Dynamically access container bucket items.
     *
     * @param string $item
     *
     * @return mixed
     */
    public function __get($item)
    {
        return isset($this->bucket[$item])
            ? $this->bucket[$item]
            : null;
    }

    /**
     * Dynamically set container bucket items.
     *
     * @param string $item
     * @param mixed  $value
     *
     * @return void
     */
    public function __set($item, $value)
    {
        $this->bucket[$item] = $value;
    }

    /**
     * Prefix the current namespace to the abstract if absent.
     *
     * @param string $abstract
     *
     * @return string
     */
    protected function addNamespace($abstract)
    {
        if (false === strpos($abstract, __NAMESPACE__) && !class_exists($abstract)) {
            $abstract = __NAMESPACE__."\\$abstract";
        }

        return $abstract;
    }

    /**
     * @param \ReflectionParameter $parameter
     * @return null|\ReflectionClass|\ReflectionNamedType|\ReflectionType
     */
    protected function getClass($parameter)
    {
        if (version_compare(phpversion(), '8', '<')) {
            return $parameter->getClass(); // @compat PHP < 8
        }
        return $parameter->getType();
    }

    /**
     * Throw an exception that the concrete is not instantiable.
     *
     * @param string $concrete
     *
     * @return void
     * @throws BindingResolutionException
     */
    protected function notInstantiable($concrete)
    {
        $message = "Target [$concrete] is not instantiable.";

        throw new BindingResolutionException($message);
    }

    /**
     * Resolve a class based dependency from the container.
     *
     * @param mixed $concrete
     *
     * @return mixed
     * @throws BindingResolutionException
     */
    protected function resolve($concrete)
    {
        if ($concrete instanceof Closure) {
            return $concrete($this);
        }

        $reflector = new ReflectionClass($concrete);

        if (!$reflector->isInstantiable()) {
            return $this->notInstantiable($concrete);
        }

        if (is_null(($constructor = $reflector->getConstructor()))) {
            return new $concrete();
        }

        return $reflector->newInstanceArgs(
            $this->resolveDependencies($constructor->getParameters())
        );
    }

    /**
     * Resolve a class based dependency from the container.
     *
     * @return mixed
     * @throws BindingResolutionException
     */
    protected function resolveClass(ReflectionParameter $parameter)
    {
        try {
            return $this->make($this->getClass($parameter)->getName());
        } catch (BindingResolutionException $e) {
            if ($parameter->isOptional()) {
                return $parameter->getDefaultValue();
            }
            throw $e;
        }
    }

    /**
     * Resolve all of the dependencies from the ReflectionParameters.
     *
     * @return array
     */
    protected function resolveDependencies(array $dependencies)
    {
        $results = [];

        foreach ($dependencies as $dependency) {
            // If the class is null, the dependency is a string or some other primitive type
            $results[] = !is_null($class = $this->getClass($dependency))
                ? $this->resolveClass($dependency)
                : null;
        }

        return $results;
    }
}


1			<?php
2
3			namespace GeminiLabs\Castor;
4
5			use Closure;
6			use GeminiLabs\Castor\Exceptions\BindingResolutionException;
7			use ReflectionClass;
8			use ReflectionParameter;
9
10			abstract class Container
11			{
12			/**
13			* The current globally available container (if any).
14			*
15			* @var static
16			*/
17			protected static $instance;
18
19			/**
20			* The container's bound services.
21			*
22			* @var array
23			*/
24			protected $services = [];
25
26			/**
27			* The container's bucket items.
28			*
29			* @var array
30			*/
31			protected $bucket = [];
32
33			/**
34			* Set the globally available instance of the container.
35			*
36			* @return static
37			*/
38			public static function getInstance()
39			{
40			if (is_null(static::$instance)) {
41			static::$instance = new static();
42			}
43
44			return static::$instance;
45			}
46
47			/**
48			* Bind a service to the container.
49			*
50			* @param string $alias
51			* @param mixed $concrete
52			*
53			* @return mixed
54			*/
55			public function bind($alias, $concrete)
56			{
57			$this->services[$alias] = $concrete;
58			}
59
60			/**
61			* Resolve the given type from the container.
62			* Allow unbound aliases that omit the root namespace
63			* i.e. 'Controller' translates to 'GeminiLabs\Castor\Controller'.
64			*
65			* @param mixed $abstract
66			*
67			* @return mixed
68			*/
69			public function make($abstract)
70			{
71			$service = isset($this->services[$abstract])
72			? $this->services[$abstract]
73			: $this->addNamespace($abstract);
74
75			if (is_callable($service)) {
76			return call_user_func_array($service, [$this]);
77			}
78			if (is_object($service)) {
79			return $service;
80			}
81
82			return $this->resolve($service);
83			}
84
85			/**
86			* Register a shared binding in the container.
87			*
88			* @param string $abstract
89			* @param \Closure\|string\|null $concrete
90			*
91			* @return void
92			*/
93			public function singleton($abstract, $concrete)
94			{
95			$this->bind($abstract, $this->make($concrete));
96			}
97
98			/**
99			* Dynamically access container bucket items.
100			*
101			* @param string $item
102			*
103			* @return mixed
104			*/
105			public function __get($item)
106			{
107			return isset($this->bucket[$item])
108			? $this->bucket[$item]
109			: null;
110			}
111
112			/**
113			* Dynamically set container bucket items.
114			*
115			* @param string $item
116			* @param mixed $value
117			*
118			* @return void
119			*/
120			public function __set($item, $value)
121			{
122			$this->bucket[$item] = $value;
123			}
124
125			/**
126			* Prefix the current namespace to the abstract if absent.
127			*
128			* @param string $abstract
129			*
130			* @return string
131			*/
132			protected function addNamespace($abstract)
133			{
134			if (false === strpos($abstract, __NAMESPACE__) && !class_exists($abstract)) {
135			$abstract = __NAMESPACE__."\\$abstract";
136			}
137
138			return $abstract;
139			}
140
141			/**
142			* @param \ReflectionParameter $parameter
143			* @return null\|\ReflectionClass\|\ReflectionNamedType\|\ReflectionType
144			*/
145			protected function getClass($parameter)
146			{
147			if (version_compare(phpversion(), '8', '<')) {
148			return $parameter->getClass(); // @compat PHP < 8
149			}
150			return $parameter->getType();
151			}
152
153			/**
154			* Throw an exception that the concrete is not instantiable.
155			*
156			* @param string $concrete
157			*
158			* @return void
159			* @throws BindingResolutionException
160			*/
161			protected function notInstantiable($concrete)
162			{
163			$message = "Target [$concrete] is not instantiable.";
164
165			throw new BindingResolutionException($message);
166			}
167
168			/**
169			* Resolve a class based dependency from the container.
170			*
171			* @param mixed $concrete
172			*
173			* @return mixed
174			* @throws BindingResolutionException
175			*/
176			protected function resolve($concrete)
177			{
178			if ($concrete instanceof Closure) {
179			return $concrete($this);
180			}
181
182			$reflector = new ReflectionClass($concrete);
183
184			if (!$reflector->isInstantiable()) {
185			return $this->notInstantiable($concrete);
186			}
187
188			if (is_null(($constructor = $reflector->getConstructor()))) {
189			return new $concrete();
190			}
191
192			return $reflector->newInstanceArgs(
193			$this->resolveDependencies($constructor->getParameters())
194			);
195			}
196
197			/**
198			* Resolve a class based dependency from the container.
199			*
200			* @return mixed
201			* @throws BindingResolutionException
202			*/
203			protected function resolveClass(ReflectionParameter $parameter)
204			{
205			try {
206			return $this->make($this->getClass($parameter)->getName());
207			} catch (BindingResolutionException $e) {
208			if ($parameter->isOptional()) {
209			return $parameter->getDefaultValue();
210			}
211			throw $e;
212			}
213			}
214
215			/**
216			* Resolve all of the dependencies from the ReflectionParameters.
217			*
218			* @return array
219			*/
220			protected function resolveDependencies(array $dependencies)
221			{
222			$results = [];
223
224			foreach ($dependencies as $dependency) {
225			// If the class is null, the dependency is a string or some other primitive type
226			$results[] = !is_null($class = $this->getClass($dependency))
227			? $this->resolveClass($dependency)
228			: null;
229			}
230
231			return $results;
232			}
233			}
234

pryley / castor-framework

Push — develop ( 51b9ff...6cf518 )

Container::resolveClass() A

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