Container::getParameter() - Code Metrics - Inspection of "Accept array as callable (#22)" - CapMousse/React-Restify - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 196579...51fe94 )

by Jérémy

created 2017-09-06 07:48 UTC

Container::getParameter() B

↳ Parent: Container

Complexity

Conditions	7
Paths	4

Size

Total Lines	18
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	18
rs	8.2222
c	0
b	0
f	0
cc	7
eloc	9
nc	4
nop	2

<?php

namespace CapMousse\ReactRestify\Container;

use Psr\Container\ContainerInterface;
use CapMousse\ReactRestify\Errors\Container\ContainerException;
use CapMousse\ReactRestify\Errors\Container\NotFoundException;

class Container implements ContainerInterface
{
    private static $instance;

    /**
     * Resolved types
     * @var array
     */
    protected $definitions = [];

    /**
     * Globally available container
     *
     * @return static
     */
    public static function getInstance()
    {
        if (is_null(self::$instance)) {
            self::$instance = new static;
        }

        return self::$instance;
    }

    /**
     * Add item to the container
     * @param string $id
     * @param mixed|null $concrete
     */
    public function add($id, $concrete = null)
    {
        if (!is_string($id)) {
            throw new ContainerException('$id must be a string');
        }

        if (isset($this->definitions[$id])) {
            return;
        }

        if (is_null($concrete)) {
            $concrete = $id;
        }

        $this->definitions[$id] = $this->build($concrete);
    }

    /**
     * Check if item is available in container
     * @param  string  $id
     * @return boolean
     */
    public function has($id)
    {
        if (!is_string($id)) {
            throw new ContainerException('$id must be a string');
        }

        if (array_key_exists($id, $this->definitions)) {
            return true;
        }

        return false;
    }

    /**
     * Get an item of the container
     * @param  string $id
     * @return mixed
     * @throw  NotFoundException
     */
    public function get($id)
    {
        if (!is_string($id)) {
            throw new ContainerException('$id must be a string');
        }

        if (!isset($this->definitions[$id])) {
            throw new NotFoundException("Unresolvable ".$id);
        }

        return $this->definitions[$id];
    }

    /**
     * Call method with given parameters
     * @param  string|array|callable  $action
     * @param  array            $args
     * @return mixed
     */
    public function call ($action, array $args = [])
    {
        $method = $action;
        $class = null;

        if (is_string($action)) {
            list($class, $method) = explode('@', $action);
        }
        elseif (is_array($action)) {
            list($class, $method) = $action; 

            if (!is_object($class)) {
                throw new ContainerException('$class must be an object');
            }

            if (!is_string($method)) {
                throw new ContainerException('$action must be a string');
            }
        }

        $reflection = $this->getActionReflection($method, $class);
        $args       = $this->getParametersDictionary($args);
        $parameters = $this->getParameters($reflection, $args);

        if (is_callable($method)) {
            return $method(...$parameters);
        }

        if(!is_object($class)) {
            $class = $this->build($class);
        }

        return $class->{$method}(...$parameters);
    }

    /**
     * Get reflection from an action
     * @param string      $method
     * @param string|null $class
     * @return callable
     */
    public function getActionReflection($method, $class = null)
    {
        if(!is_null($class)) {
            return new \ReflectionMethod($class, $method);
        }

        return new \ReflectionFunction($method);
    }

    /**
     * Find object and set classname alias on argument list
     * @param  array  $args
     * @return array
     */
    public function getParametersDictionary(array $args = [])
    {
        $dictionary = [];

        foreach ($args as $parameter) {
            if (!is_object($parameter)) continue;
            $dictionary[get_class($parameter)] = $parameter;
        }

        return array_merge($args, $dictionary);
    }

    /**
     * Get reflection parameters
     * @param  \ReflectionFunctionAbstract $reflection
     * @param  array                       $args
     * @return array
     */
    public function getParameters(\ReflectionFunctionAbstract $reflection, array $args = [])
    {
        $dependencies = $reflection->getParameters();
        $parameters = [];

        foreach ($dependencies as $parameter) {
            $parameters[] = $this->getParameter($parameter, $args);
        }

        return $parameters;
    }

    /**
     * Get paremeter value
     * @param  \ReflectionParameter $parameter 
     * @param  array                $args      
     * @return mixed
     */
    public function getParameter(\ReflectionParameter $parameter, array $args = [])
    {
        $class = $parameter->getClass();

        if ($class && $this->has($class->name)) {
            return $this->get($class->name);
        }

        if ($class && array_key_exists($class->name, $args)) {
            return $args[$class->name];
        }

        if (array_key_exists($parameter->name, $args)) {
            return $args[$parameter->name];
        }

        throw new NotFoundException("Unresolvable " . ($class ? $class->name : $parameter->name));
    }

    /**
     * Create a new container for asked class
     * @param  string $class
     * @return Container
     */
    public function build ($class)
    {
        $reflection = new \ReflectionClass($class);
        $parameters = [];

        if (!is_null($reflection->getConstructor())) {
            $parameters = $this->getParameters($reflection->getConstructor());
        }

        return new $class(...$parameters);
    }
}


1			<?php
2
3			namespace CapMousse\ReactRestify\Container;
4
5			use Psr\Container\ContainerInterface;
6			use CapMousse\ReactRestify\Errors\Container\ContainerException;
7			use CapMousse\ReactRestify\Errors\Container\NotFoundException;
8
9			class Container implements ContainerInterface
10			{
11			private static $instance;
12
13			/**
14			* Resolved types
15			* @var array
16			*/
17			protected $definitions = [];
18
19			/**
20			* Globally available container
21			*
22			* @return static
23			*/
24			public static function getInstance()
25			{
26			if (is_null(self::$instance)) {
27			self::$instance = new static;
28			}
29
30			return self::$instance;
31			}
32
33			/**
34			* Add item to the container
35			* @param string $id
36			* @param mixed\|null $concrete
37			*/
38			public function add($id, $concrete = null)
39			{
40			if (!is_string($id)) {
41			throw new ContainerException('$id must be a string');
42			}
43
44			if (isset($this->definitions[$id])) {
45			return;
46			}
47
48			if (is_null($concrete)) {
49			$concrete = $id;
50			}
51
52			$this->definitions[$id] = $this->build($concrete);
53			}
54
55			/**
56			* Check if item is available in container
57			* @param string $id
58			* @return boolean
59			*/
60			public function has($id)
61			{
62			if (!is_string($id)) {
63			throw new ContainerException('$id must be a string');
64			}
65
66			if (array_key_exists($id, $this->definitions)) {
67			return true;
68			}
69
70			return false;
71			}
72
73			/**
74			* Get an item of the container
75			* @param string $id
76			* @return mixed
77			* @throw NotFoundException
78			*/
79			public function get($id)
80			{
81			if (!is_string($id)) {
82			throw new ContainerException('$id must be a string');
83			}
84
85			if (!isset($this->definitions[$id])) {
86			throw new NotFoundException("Unresolvable ".$id);
87			}
88
89			return $this->definitions[$id];
90			}
91
92			/**
93			* Call method with given parameters
94			* @param string\|array\|callable $action
95			* @param array $args
96			* @return mixed
97			*/
98			public function call ($action, array $args = [])
99			{
100			$method = $action;
101			$class = null;
102
103			if (is_string($action)) {
104			list($class, $method) = explode('@', $action);
105			}
106			elseif (is_array($action)) {
107			list($class, $method) = $action;
108
109			if (!is_object($class)) {
110			throw new ContainerException('$class must be an object');
111			}
112
113			if (!is_string($method)) {
114			throw new ContainerException('$action must be a string');
115			}
116			}
117
118			$reflection = $this->getActionReflection($method, $class);
119			$args = $this->getParametersDictionary($args);
120			$parameters = $this->getParameters($reflection, $args);
121
122			if (is_callable($method)) {
123			return $method(...$parameters);
124			}
125
126			if(!is_object($class)) {
127			$class = $this->build($class);
128			}
129
130			return $class->{$method}(...$parameters);
131			}
132
133			/**
134			* Get reflection from an action
135			* @param string $method
136			* @param string\|null $class
137			* @return callable
138			*/
139			public function getActionReflection($method, $class = null)
140			{
141			if(!is_null($class)) {
142			return new \ReflectionMethod($class, $method);
143			}
144
145			return new \ReflectionFunction($method);
146			}
147
148			/**
149			* Find object and set classname alias on argument list
150			* @param array $args
151			* @return array
152			*/
153			public function getParametersDictionary(array $args = [])
154			{
155			$dictionary = [];
156
157			foreach ($args as $parameter) {
158			if (!is_object($parameter)) continue;
159			$dictionary[get_class($parameter)] = $parameter;
160			}
161
162			return array_merge($args, $dictionary);
163			}
164
165			/**
166			* Get reflection parameters
167			* @param \ReflectionFunctionAbstract $reflection
168			* @param array $args
169			* @return array
170			*/
171			public function getParameters(\ReflectionFunctionAbstract $reflection, array $args = [])
172			{
173			$dependencies = $reflection->getParameters();
174			$parameters = [];
175
176			foreach ($dependencies as $parameter) {
177			$parameters[] = $this->getParameter($parameter, $args);
178			}
179
180			return $parameters;
181			}
182
183			/**
184			* Get paremeter value
185			* @param \ReflectionParameter $parameter
186			* @param array $args
187			* @return mixed
188			*/
189			public function getParameter(\ReflectionParameter $parameter, array $args = [])
190			{
191			$class = $parameter->getClass();
192
193			if ($class && $this->has($class->name)) {
194			return $this->get($class->name);
195			}
196
197			if ($class && array_key_exists($class->name, $args)) {
198			return $args[$class->name];
199			}
200
201			if (array_key_exists($parameter->name, $args)) {
202			return $args[$parameter->name];
203			}
204
205			throw new NotFoundException("Unresolvable " . ($class ? $class->name : $parameter->name));
206			}
207
208			/**
209			* Create a new container for asked class
210			* @param string $class
211			* @return Container
212			*/
213			public function build ($class)
214			{
215			$reflection = new \ReflectionClass($class);
216			$parameters = [];
217
218			if (!is_null($reflection->getConstructor())) {
219			$parameters = $this->getParameters($reflection->getConstructor());
220			}
221
222			return new $class(...$parameters);
223			}
224			}
225

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Container::getParameter() B

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