Container::make() - Code Metrics - Inspection of "optimize" - RunnerLee/container - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 2ff04e...b898e3 )

by Runner

created 2019-04-26 06:54 UTC

Container::make() A

↳ Parent: Container

Complexity

Conditions	3
Paths	3

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	3

Importance

Changes

Metric	Value
dl	0
loc	14
ccs	7
cts	7
cp	1
rs	9.7998
c	0
b	0
f	0
cc	3
nc	3
nop	1
crap	3

<?php
/**
 * @author: RunnerLee
 * @email: [email protected]
 * @time: 2019-04
 */

namespace Runner\Container;

use ArrayAccess;
use Closure;
use Exception;
use ReflectionClass;
use ReflectionException;
use ReflectionParameter;
use Runner\Container\Exceptions\BindingResolutionException;

class Container implements ArrayAccess
{
    /**
     * @var array
     */
    protected $bindings = [];

    /**
     * @var array
     */
    protected $instances = [];

    /**
     * @var array
     */
    protected $shares = [];

    protected $contextual = [];

    /**
     * @param $name
     * @param null $concrete
     * @param bool $share
     */
    public function bind($name, $concrete = null, $share = false)
    {
        if (is_null($concrete)) {
            $concrete = $name;
        }

        $this->bindings[$name] = $concrete;

        $share && $this->shares[$name] = true;
    }

    /**
     * @param $concretes
     * @param $parameter
     * @param $implementation
     */
    public function bindContext($concretes, $parameter, $implementation)
    {
        foreach ((array)$concretes as $concrete) {
            $this->contextual[$concrete][$parameter] = $implementation;
        }
    }

    /**
     * @param $name
     * @param $instance
     */
    public function instance($name, $instance)
    {
        $this->instances[$name] = $instance;
    }

    /**
     * @param string $name
     *
     * @throws ReflectionException
     *
     * @return object
     */
    public function make($name)
    {
        if (isset($this->instances[$name])) {
            return $this->instances[$name];
        }

        $instance = $this->build($name);

        if (isset($this->shares[$name])) {
            $this->instances[$name] = $instance;
        }

        return $instance;
    }

    /**
     * @param $name
     *
     * @throws ReflectionException
     *
     * @return mixed|object
     */
    protected function build($name)
    {
        $concrete = $this->getConcrete($name);

        if ($concrete instanceof Closure) {
            return $concrete($this);
        }

        $reflector = new ReflectionClass($concrete);

        if (!$reflector->isInstantiable()) {
            throw new BindingResolutionException(sprintf('%s is not instantiable', $name));
        }

        $constructor = $reflector->getConstructor();

        if (!$constructor || !$constructor->getParameters()) {
            return $reflector->newInstance();
        }

        return $reflector->newInstanceArgs($this->getDependencies($concrete, $constructor->getParameters()));
    }

    /**
     * @param $name
     * @return bool
     */
    public function isBound($name)
    {
        return isset($this->instances[$name]) || isset($this->bindings[$name]);
    }

    /**
     * @param $concrete
     * @param ReflectionParameter[] $reflectionParameters
     * @return array
     * @throws Exception
     */
    protected function getDependencies($concrete, array $reflectionParameters)
    {
        $result = [];
        foreach ($reflectionParameters as $parameter) {
            if (!is_null($parameter->getClass())) {
                try {
                    $class = $parameter->getClass()->getName();
                    if (isset($this->contextual[$concrete][$class])) {
                        $result[] = $this->buildContextualBinding($this->contextual[$concrete][$class]);
                    } else {
                        $result[] = $this->make($class);
                    }
                } catch (Exception $exception) {
                    if (!$parameter->isOptional()) {
                        throw $exception;
                    }
                    $result[] = $parameter->getDefaultValue();
                }
            } else {
                if (!$parameter->isDefaultValueAvailable()) {
                    throw new BindingResolutionException(
                        sprintf(
                            'parameter %s has no default value in %s',
                            $parameter->getName(),
                            $parameter->getDeclaringClass()->getName()
                        )
                    );
                }
                $result[] = $parameter->getDefaultValue();
            }
        }

        return $result;
    }

    /**
     * @param $implementation
     * @return mixed|object
     * @throws ReflectionException
     */
    protected function buildContextualBinding($implementation)
    {
        if ($implementation instanceof Closure) {
            return $implementation($this);
        }
        return $this->make($implementation);
    }

    /**
     * @param $name
     *
     * @return string|Closure
     */
    protected function getConcrete($name)
    {
        $concrete = $this->bindings[$name] ?? $name;

        if (!is_object($concrete) && $concrete !== $name && isset($this->bindings[$concrete])) {
            $concrete = function () use ($concrete) {
                return $this->make($concrete);
            };
        }

        return $concrete;
    }

    /**
     * @param mixed $offset
     *
     * @return bool
     */
    public function offsetExists($offset)
    {
        return $this->isBound($offset);
    }

    /**
     * @param mixed $offset
     *
     * @throws ReflectionException
     *
     * @return mixed|object
     */
    public function offsetGet($offset)
    {
        return $this->make($offset);
    }

    /**
     * @param mixed $offset
     * @param mixed $value
     */
    public function offsetSet($offset, $value)
    {
        $this->instances[$offset] = $value;
    }

    /**
     * @param mixed $offset
     */
    public function offsetUnset($offset)
    {
        unset($this->instances[$offset]);
    }
}


1		<?php
2		/**
3		* @author: RunnerLee
4		* @email: [email protected]
5		* @time: 2019-04
6		*/
7
8		namespace Runner\Container;
9
10		use ArrayAccess;
11		use Closure;
12		use Exception;
13		use ReflectionClass;
14		use ReflectionException;
15		use ReflectionParameter;
16		use Runner\Container\Exceptions\BindingResolutionException;
17
18		class Container implements ArrayAccess
19		{
20		/**
21		* @var array
22		*/
23		protected $bindings = [];
24
25		/**
26		* @var array
27		*/
28		protected $instances = [];
29
30		/**
31		* @var array
32		*/
33		protected $shares = [];
34
35		protected $contextual = [];
36
37		/**
38		* @param $name
39		* @param null $concrete
40		* @param bool $share
41		*/
42	10	public function bind($name, $concrete = null, $share = false)
43		{
44	10	if (is_null($concrete)) {
45	5	$concrete = $name;
46		}
47
48	10	$this->bindings[$name] = $concrete;
49
50	10	$share && $this->shares[$name] = true;
51	10	}
52
53		/**
54		* @param $concretes
55		* @param $parameter
56		* @param $implementation
57		*/
58	2	public function bindContext($concretes, $parameter, $implementation)
59		{
60	2	foreach ((array)$concretes as $concrete) {
61	2	$this->contextual[$concrete][$parameter] = $implementation;
62		}
63	2	}
64
65		/**
66		* @param $name
67		* @param $instance
68		*/
69	1	public function instance($name, $instance)
70		{
71	1	$this->instances[$name] = $instance;
72	1	}
73
74		/**
75		* @param string $name
76		*
77		* @throws ReflectionException
78		*
79		* @return object
80		*/
81	15	public function make($name)
82		{
83	15	if (isset($this->instances[$name])) {
84	4	return $this->instances[$name];
85		}
86
87	13	$instance = $this->build($name);
88
89	10	if (isset($this->shares[$name])) {
90	2	$this->instances[$name] = $instance;
91		}
92
93	10	return $instance;
94		}
95
96		/**
97		* @param $name
98		*
99		* @throws ReflectionException
100		*
101		* @return mixed\|object
102		*/
103	13	protected function build($name)
104		{
105	13	$concrete = $this->getConcrete($name);
106
107	13	if ($concrete instanceof Closure) {
108	6	return $concrete($this);
109		}
110
111	12	$reflector = new ReflectionClass($concrete);
112
113	11	if (!$reflector->isInstantiable()) {
114	2	throw new BindingResolutionException(sprintf('%s is not instantiable', $name));
115		}
116
117	10	$constructor = $reflector->getConstructor();
118
119	10	if (!$constructor \|\| !$constructor->getParameters()) {
120	10	return $reflector->newInstance();
121		}
122
123	5	return $reflector->newInstanceArgs($this->getDependencies($concrete, $constructor->getParameters()));
124		}
125
126		/**
127		* @param $name
128		* @return bool
129		*/
130	2	public function isBound($name)
131		{
132	2	return isset($this->instances[$name]) \|\| isset($this->bindings[$name]);
133		}
134
135		/**
136		* @param $concrete
137		* @param ReflectionParameter[] $reflectionParameters
138		* @return array
139		* @throws Exception
140		*/
141	5	protected function getDependencies($concrete, array $reflectionParameters)
142		{
143	5	$result = [];
144	5	foreach ($reflectionParameters as $parameter) {
145	5	if (!is_null($parameter->getClass())) {
146		try {
147	5	$class = $parameter->getClass()->getName();
148	5	if (isset($this->contextual[$concrete][$class])) {
149	2	$result[] = $this->buildContextualBinding($this->contextual[$concrete][$class]);
150		} else {
151	5	$result[] = $this->make($class);
152		}
153	2	} catch (Exception $exception) {
154	2	if (!$parameter->isOptional()) {
155	1	throw $exception;
156		}
157	4	$result[] = $parameter->getDefaultValue();
158		}
159		} else {
160	1	if (!$parameter->isDefaultValueAvailable()) {
161	1	throw new BindingResolutionException(
162	1	sprintf(
163	1	'parameter %s has no default value in %s',
164	1	$parameter->getName(),
165	1	$parameter->getDeclaringClass()->getName()
166		)
167		);
168		}
169	4	$result[] = $parameter->getDefaultValue();
170		}
171		}
172
173	4	return $result;
174		}
175
176		/**
177		* @param $implementation
178		* @return mixed\|object
179		* @throws ReflectionException
180		*/
181	2	protected function buildContextualBinding($implementation)
182		{
183	2	if ($implementation instanceof Closure) {
184	2	return $implementation($this);
185		}
186	2	return $this->make($implementation);
187		}
188
189		/**
190		* @param $name
191		*
192		* @return string\|Closure
193		*/
194	13	protected function getConcrete($name)
195		{
196	13	$concrete = $this->bindings[$name] ?? $name;
197
198	13	if (!is_object($concrete) && $concrete !== $name && isset($this->bindings[$concrete])) {
199	1	$concrete = function () use ($concrete) {
200	1	return $this->make($concrete);
201	1	};
202		}
203
204	13	return $concrete;
205		}
206
207		/**
208		* @param mixed $offset
209		*
210		* @return bool
211		*/
212	2	public function offsetExists($offset)
213		{
214	2	return $this->isBound($offset);
215		}
216
217		/**
218		* @param mixed $offset
219		*
220		* @throws ReflectionException
221		*
222		* @return mixed\|object
223		*/
224	1	public function offsetGet($offset)
225		{
226	1	return $this->make($offset);
227		}
228
229		/**
230		* @param mixed $offset
231		* @param mixed $value
232		*/
233	2	public function offsetSet($offset, $value)
234		{
235	2	$this->instances[$offset] = $value;
236	2	}
237
238		/**
239		* @param mixed $offset
240		*/
241	1	public function offsetUnset($offset)
242		{
243	1	unset($this->instances[$offset]);
244	1	}
245		}
246

RunnerLee / container

Push — master ( 2ff04e...b898e3 )

Container::make() A

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