Container::get() - Code Metrics - Inspection of "Fix #275: Introduce parameters bag for container" - yiisoft/di - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — 275-parameter-bag ( 07683d )

by Alexander

created 2021-11-24 21:59 UTC

Container::get() B

↳ Parent: Container

Complexity

Conditions	10
Paths	9

Size

Total Lines	33
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	16
CRAP Score	10.1371

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	10
eloc	18
c	1
b	0
f	0
nc	9
nop	1
dl	0
loc	33
ccs	16
cts	18
cp	0.8889
crap	10.1371
rs	7.6666

How to fix Complexity

<?php

declare(strict_types=1);

namespace Yiisoft\Di;

use Closure;
use InvalidArgumentException;
use Psr\Container\ContainerInterface;
use Yiisoft\Definitions\ArrayDefinition;
use Yiisoft\Definitions\Exception\CircularReferenceException;
use Yiisoft\Definitions\Exception\InvalidConfigException;
use Yiisoft\Definitions\Exception\NotInstantiableException;
use Yiisoft\Definitions\Helpers\DefinitionValidator;
use Yiisoft\Definitions\DefinitionStorage;

use function array_key_exists;
use function array_keys;
use function get_class;
use function gettype;
use function implode;
use function in_array;
use function is_array;
use function is_object;
use function is_string;

/**
 * Container implements a [dependency injection](http://en.wikipedia.org/wiki/Dependency_injection) container.
 */
final class Container implements ContainerInterface
{
    private const META_TAGS = 'tags';
    private const META_RESET = 'reset';
    private const ALLOWED_META = [self::META_TAGS, self::META_RESET];

    /**
     * @var DefinitionStorage Storage of object definitions.
     */
    private DefinitionStorage $definitions;
    /**
     * @var array Used to collect IDs of objects instantiated during build
     * to detect circular references.
     */
    private array $building = [];

    /**
     * @var bool $validate If definitions should be validated.
     */
    private bool $validate = true;

    /**
     * @var object[]
     */
    private array $instances = [];

    private CompositeContainer $delegates;

    /**
     * @var array Tagged service IDs. The structure is `['tagID' => ['service1', 'service2']]`.
     */
    private array $tags = [];

    private array $resetters = [];

    /**
     * Container constructor.
     *
     * @param array $definitions Definitions to put into container.
     * @param ContainerConfig|null $config Container configuration.
     *
     * @throws InvalidConfigException
     * @psalm-suppress PropertyNotSetInConstructor
     */
    public function __construct($definitions = [], ?ContainerConfig $config = null) {
        $this->definitions = new DefinitionStorage();
        $this->delegates = new CompositeContainer();

        if ($config !== null) {
            $this->tags = $config->getTags();
            $this->validate = $config->shouldValidate();
        }

        $this->setDefaultDefinitions();
        $this->setMultiple($definitions);

        if ($config !== null) {
            $this->addProviders($config->getProviders());
            $this->setDelegates($config->getDelegates());
        }
    }

    /**
     * Returns a value indicating whether the container has the definition of the specified name.
     *
     * @param string $id Class name, interface name or alias name.
     *
     * @return bool Whether the container is able to provide instance of class specified.
     *
     * @see set()
     */
    public function has($id): bool
    {
        /** @psalm-suppress  DocblockTypeContradiction */
        if (!is_string($id)) {

            return false;
        }

        if ($this->isTagAlias($id)) {
            $tag = substr($id, 4);
            return isset($this->tags[$tag]);
        }

        try {
            return $this->definitions->has($id);
        } catch (CircularReferenceException $e) {
            return true;
        }
    }

    /**
     * Returns an instance by either interface name or alias.
     *
     * Same instance of the class will be returned each time this method is called.
     *
     * @param string $id The interface or an alias name that was previously registered.
     *
     * @throws CircularReferenceException
     * @throws InvalidConfigException
     * @throws NotFoundException
     * @throws NotInstantiableException
     *
     * @return mixed|object An instance of the requested interface.
     *
     * @psalm-template T
     * @psalm-param string|class-string<T> $id
     * @psalm-return ($id is class-string ? T : mixed)
     */
    public function get($id)
    {
        /** @psalm-suppress TypeDoesNotContainType */
        if (!is_string($id)) {

            throw new InvalidArgumentException("Id must be a string, {$this->getVariableType($id)} given.");
        }

        if (!array_key_exists($id, $this->instances)) {
            try {
                $this->instances[$id] = $this->build($id);
            } catch (NotFoundException $e) {
                if (!$this->delegates->has($id)) {
                    throw $e;
                }

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

        if ($id === StateResetter::class && $this->definitions->get($id) === StateResetter::class) {
            $resetters = [];
            foreach ($this->resetters as $serviceId => $callback) {
                if (isset($this->instances[$serviceId])) {
                    $resetters[$serviceId] = $callback;
                }
            }
            if ($this->delegates->has(StateResetter::class)) {
                $resetters[] = $this->delegates->get(StateResetter::class);
            }
            $this->instances[$id]->setResetters($resetters);
        }

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

    /**
     * Sets a definition to the container. Definition may be defined multiple ways.
     *
     * @param string $id ID to set definition for.
     * @param mixed $definition Definition to set.
     *
     * @throws InvalidConfigException
     *
     * @see DefinitionNormalizer::normalize()
     */
    private function set(string $id, $definition): void
    {
        [$definition, $meta] = DefinitionParser::parse($definition);
        if ($this->validate) {
            $this->validateDefinition($definition, $id);
            $this->validateMeta($meta);
        }

        if (isset($meta[self::META_TAGS])) {
            if ($this->validate) {
                $this->validateTags($meta[self::META_TAGS]);
            }
            $this->setTags($id, $meta[self::META_TAGS]);
        }
        if (isset($meta[self::META_RESET])) {
            $this->setResetter($id, $meta[self::META_RESET]);
        }

        unset($this->instances[$id]);
        $this->definitions->set($id, $definition);
    }

    /**
     * Sets multiple definitions at once.
     *
     * @param array $config Definitions indexed by their IDs.
     *
     * @throws InvalidConfigException
     */
    private function setMultiple(array $config): void
    {
        foreach ($config as $id => $definition) {
            if ($this->validate && !is_string($id)) {
                throw new InvalidConfigException(sprintf('Key must be a string. %s given.', $this->getVariableType($id)));
            }
            $this->set($id, $definition);
        }
    }

    private function setDefaultDefinitions(): void
    {
        $this->setMultiple([
            ContainerInterface::class => $this,
            StateResetter::class => StateResetter::class,
        ]);
    }

    /**
     * Set container delegates.
     *
     * Each delegate must is a callable in format "function (ContainerInterface $container): ContainerInterface".
     * The container instance returned is used in case a service can not be found in primary container.
     *
     * @param array $delegates
     *
     * @throws InvalidConfigException
     */
    private function setDelegates(array $delegates): void
    {
        foreach ($delegates as $delegate) {
            if (!$delegate instanceof Closure) {
                throw new InvalidConfigException(
                    'Delegate must be callable in format "function (ContainerInterface $container): ContainerInterface".'
                );
            }

            $delegate = $delegate($this);

            if (!$delegate instanceof ContainerInterface) {
                throw new InvalidConfigException(
                    'Delegate callable must return an object that implements ContainerInterface.'
                );
            }

            $this->delegates->attach($delegate);
        }
        $this->definitions->setDelegateContainer($this->delegates);
    }

    /**
     * @param mixed $definition Definition to validate.
     * @param string|null $id ID of the definition to validate.
     *
     * @throws InvalidConfigException
     */
    private function validateDefinition($definition, ?string $id = null): void
    {
        if (is_array($definition) && isset($definition[DefinitionParser::IS_PREPARED_ARRAY_DEFINITION_DATA])) {
            $class = $definition['class'];
            $constructorArguments = $definition['__construct()'];
            $methodsAndProperties = $definition['methodsAndProperties'];
            $definition = array_merge(
                $class === null ? [] : [ArrayDefinition::CLASS_NAME => $class],
                [ArrayDefinition::CONSTRUCTOR => $constructorArguments],
                $methodsAndProperties,
            );
        }

        if ($definition instanceof ExtensibleService) {
            throw new InvalidConfigException('Invalid definition. ExtensibleService is only allowed in provider extensions.');
        }

        DefinitionValidator::validate($definition, $id);
    }

    /**
     * @throws InvalidConfigException
     */
    private function validateMeta(array $meta): void
    {
        foreach ($meta as $key => $_value) {
            if (!in_array($key, self::ALLOWED_META, true)) {
                throw new InvalidConfigException(
                    sprintf(
                        'Invalid definition: metadata "%s" is not allowed. Did you mean "%s()" or "$%s"?',
                        $key,
                        $key,
                        $key,
                    )
                );
            }
        }
    }

    private function validateTags(array $tags): void
    {
        foreach ($tags as $tag) {
            if (!is_string($tag)) {
                throw new InvalidConfigException('Invalid tag. Expected a string, got ' . var_export($tag, true) . '.');
            }
        }
    }

    private function setTags(string $id, array $tags): void
    {
        foreach ($tags as $tag) {
            if (!isset($this->tags[$tag]) || !in_array($id, $this->tags[$tag], true)) {
                $this->tags[$tag][] = $id;
            }
        }
    }

    private function setResetter(string $id, Closure $resetter): void
    {
        $this->resetters[$id] = $resetter;
    }

    /**
     * Creates new instance by either interface name or alias.
     *
     * @param string $id The interface or an alias name that was previously registered.
     *
     * @throws CircularReferenceException
     * @throws InvalidConfigException
     * @throws NotFoundException
     *
     * @return mixed|object New built instance of the specified class.
     *
     * @internal
     */
    private function build(string $id)
    {
        if ($this->isTagAlias($id)) {
            return $this->getTaggedServices($id);
        }

        if (isset($this->building[$id])) {
            if ($id === ContainerInterface::class) {
                return $this;
            }
            throw new CircularReferenceException(sprintf(
                'Circular reference to "%s" detected while building: %s.',
                $id,
                implode(', ', array_keys($this->building))
            ));
        }

        $this->building[$id] = 1;
        try {
            $object = $this->buildInternal($id);
        } finally {
            unset($this->building[$id]);
        }

        return $object;
    }

    private function isTagAlias(string $id): bool
    {
        return strncmp($id, 'tag@', 4) === 0;
    }

    private function getTaggedServices(string $tagAlias): array
    {
        $tag = substr($tagAlias, 4);
        $services = [];
        if (isset($this->tags[$tag])) {
            foreach ($this->tags[$tag] as $service) {
                $services[] = $this->get($service);
            }
        }

        return $services;
    }

    /**
     * @param string $id
     *
     * @throws InvalidConfigException
     * @throws NotFoundException
     *
     * @return mixed|object
     */
    private function buildInternal(string $id)
    {
        if ($this->definitions->has($id)) {
            $definition = DefinitionNormalizer::normalize($this->definitions->get($id), $id);

            return $definition->resolve($this->get(ContainerInterface::class));
        }

        throw new NotFoundException($id, $this->definitions->getBuildStack());
    }

    private function addProviders(array $providers): void
    {
        $extensions = [];
        foreach ($providers as $provider) {
            $providerInstance = $this->buildProvider($provider);
            $extensions[] = $providerInstance->getExtensions();
            $this->addProviderDefinitions($providerInstance);
        }

        foreach ($extensions as $providerExtensions) {
            foreach ($providerExtensions as $id => $extension) {
                if (!$this->definitions->has($id)) {
                    throw new InvalidConfigException("Extended service \"$id\" doesn't exist.");
                }

                $definition = $this->definitions->get($id);
                if (!$definition instanceof ExtensibleService) {
                    $definition = new ExtensibleService($definition);
                    $this->definitions->set($id, $definition);
                }

                $definition->addExtension($extension);
            }
        }
    }

    /**
     * Adds service provider definitions to the container.
     *
     * @param ServiceProviderInterface $provider Provider to get definitions from.
     *
     * @throws InvalidConfigException
     * @throws NotInstantiableException
     */
    private function addProviderDefinitions(ServiceProviderInterface $provider): void
    {
        $definitions = $provider->getDefinitions();
        $this->setMultiple($definitions);
    }

    /**
     * Builds service provider by definition.
     *
     * @param mixed $provider Class name or instance of provider.
     *
     * @throws InvalidConfigException If provider argument is not valid.
     *
     * @return ServiceProviderInterface Instance of service provider.
     *
     * @psalm-suppress MoreSpecificReturnType
     */
    private function buildProvider($provider): ServiceProviderInterface
    {
        if ($this->validate && !(is_string($provider) || $provider instanceof ServiceProviderInterface)) {
            throw new InvalidConfigException(
                sprintf(
                    'Service provider should be a class name or an instance of %s. %s given.',
                    ServiceProviderInterface::class,
                    $this->getVariableType($provider)
                )
            );
        }

        $providerInstance = is_object($provider) ? $provider : new $provider();
        if (!$providerInstance instanceof ServiceProviderInterface) {
            throw new InvalidConfigException(
                sprintf(
                    'Service provider should be an instance of %s. %s given.',
                    ServiceProviderInterface::class,
                    $this->getVariableType($providerInstance)
                )
            );
        }

        /**
         * @psalm-suppress LessSpecificReturnStatement
         */
        return $providerInstance;
    }

    /**
     * @param mixed $variable
     */
    private function getVariableType($variable): string
    {
        return is_object($variable) ? get_class($variable) : gettype($variable);
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Di;
6
7		use Closure;
8		use InvalidArgumentException;
9		use Psr\Container\ContainerInterface;
10		use Yiisoft\Definitions\ArrayDefinition;
11		use Yiisoft\Definitions\Exception\CircularReferenceException;
12		use Yiisoft\Definitions\Exception\InvalidConfigException;
13		use Yiisoft\Definitions\Exception\NotInstantiableException;
14		use Yiisoft\Definitions\Helpers\DefinitionValidator;
15		use Yiisoft\Definitions\DefinitionStorage;
16
17		use function array_key_exists;
18		use function array_keys;
19		use function get_class;
20		use function gettype;
21		use function implode;
22		use function in_array;
23		use function is_array;
24		use function is_object;
25		use function is_string;
26
27		/**
28		* Container implements a [dependency injection](http://en.wikipedia.org/wiki/Dependency_injection) container.
29		*/
30		final class Container implements ContainerInterface
31		{
32		private const META_TAGS = 'tags';
33		private const META_RESET = 'reset';
34		private const ALLOWED_META = [self::META_TAGS, self::META_RESET];
35
36		/**
37		* @var DefinitionStorage Storage of object definitions.
38		*/
39		private DefinitionStorage $definitions;
40		/**
41		* @var array Used to collect IDs of objects instantiated during build
42		* to detect circular references.
43		*/
44		private array $building = [];
45
46		/**
47		* @var bool $validate If definitions should be validated.
48		*/
49		private bool $validate = true;
50
51		/**
52		* @var object[]
53		*/
54		private array $instances = [];
55
56		private CompositeContainer $delegates;
57
58		/**
59		* @var array Tagged service IDs. The structure is `['tagID' => ['service1', 'service2']]`.
60		*/
61		private array $tags = [];
62
63		private array $resetters = [];
64
65		/**
66		* Container constructor.
67		*
68		* @param array $definitions Definitions to put into container.
69		* @param ContainerConfig\|null $config Container configuration.
70		*
71		* @throws InvalidConfigException
72		* @psalm-suppress PropertyNotSetInConstructor
73		*/
74	95	public function __construct($definitions = [], ?ContainerConfig $config = null) {
75	95	$this->definitions = new DefinitionStorage();
76	95	$this->delegates = new CompositeContainer();
77
78	95	if ($config !== null) {
79	9	$this->tags = $config->getTags();
80	9	$this->validate = $config->shouldValidate();
81		}
82
83	95	$this->setDefaultDefinitions();
84	95	$this->setMultiple($definitions);
85
86	89	if ($config !== null) {
87	9	$this->addProviders($config->getProviders());
88	8	$this->setDelegates($config->getDelegates());
89		}
90	88	}
91
92		/**
93		* Returns a value indicating whether the container has the definition of the specified name.
94		*
95		* @param string $id Class name, interface name or alias name.
96		*
97		* @return bool Whether the container is able to provide instance of class specified.
98		*
99		* @see set()
100		*/
101	26	public function has($id): bool
102		{
103		/** @psalm-suppress DocblockTypeContradiction */
104	26	if (!is_string($id)) {
		0 ignored issues – show introduced 2021-08-10 08:46 UTC by Report Bug Copy Issue Report The condition `is_string($id)` is always `true`. Loading history...
105		return false;
106		}
107
108	26	if ($this->isTagAlias($id)) {
109	2	$tag = substr($id, 4);
110	2	return isset($this->tags[$tag]);
111		}
112
113		try {
114	24	return $this->definitions->has($id);
115	2	} catch (CircularReferenceException $e) {
116	2	return true;
117		}
118		}
119
120		/**
121		* Returns an instance by either interface name or alias.
122		*
123		* Same instance of the class will be returned each time this method is called.
124		*
125		* @param string $id The interface or an alias name that was previously registered.
126		*
127		* @throws CircularReferenceException
128		* @throws InvalidConfigException
129		* @throws NotFoundException
130		* @throws NotInstantiableException
131		*
132		* @return mixed\|object An instance of the requested interface.
133		*
134		* @psalm-template T
135		* @psalm-param string\|class-string<T> $id
136		* @psalm-return ($id is class-string ? T : mixed)
137		*/
138	83	public function get($id)
139		{
140		/** @psalm-suppress TypeDoesNotContainType */
141	83	if (!is_string($id)) {
		0 ignored issues – show introduced 2021-08-10 08:46 UTC by Report Bug Copy Issue Report The condition `is_string($id)` is always `true`. Loading history...
142		throw new InvalidArgumentException("Id must be a string, {$this->getVariableType($id)} given.");
143		}
144
145	83	if (!array_key_exists($id, $this->instances)) {
146		try {
147	83	$this->instances[$id] = $this->build($id);
148	14	} catch (NotFoundException $e) {
149	5	if (!$this->delegates->has($id)) {
150	4	throw $e;
151		}
152
153	1	return $this->delegates->get($id);
154		}
155		}
156
157	77	if ($id === StateResetter::class && $this->definitions->get($id) === StateResetter::class) {
158	4	$resetters = [];
159	4	foreach ($this->resetters as $serviceId => $callback) {
160	4	if (isset($this->instances[$serviceId])) {
161	4	$resetters[$serviceId] = $callback;
162		}
163		}
164	4	if ($this->delegates->has(StateResetter::class)) {
165		$resetters[] = $this->delegates->get(StateResetter::class);
166		}
167	4	$this->instances[$id]->setResetters($resetters);
168		}
169
170	77	return $this->instances[$id];
171		}
172
173		/**
174		* Sets a definition to the container. Definition may be defined multiple ways.
175		*
176		* @param string $id ID to set definition for.
177		* @param mixed $definition Definition to set.
178		*
179		* @throws InvalidConfigException
180		*
181		* @see DefinitionNormalizer::normalize()
182		*/
183	95	private function set(string $id, $definition): void
184		{
185	95	[$definition, $meta] = DefinitionParser::parse($definition);
186	95	if ($this->validate) {
187	95	$this->validateDefinition($definition, $id);
188	95	$this->validateMeta($meta);
189		}
190
191	95	if (isset($meta[self::META_TAGS])) {
192	8	if ($this->validate) {
193	8	$this->validateTags($meta[self::META_TAGS]);
194		}
195	8	$this->setTags($id, $meta[self::META_TAGS]);
196		}
197	95	if (isset($meta[self::META_RESET])) {
198	5	$this->setResetter($id, $meta[self::META_RESET]);
199		}
200
201	95	unset($this->instances[$id]);
202	95	$this->definitions->set($id, $definition);
203	95	}
204
205		/**
206		* Sets multiple definitions at once.
207		*
208		* @param array $config Definitions indexed by their IDs.
209		*
210		* @throws InvalidConfigException
211		*/
212	95	private function setMultiple(array $config): void
213		{
214	95	foreach ($config as $id => $definition) {
215	95	if ($this->validate && !is_string($id)) {
216	1	throw new InvalidConfigException(sprintf('Key must be a string. %s given.', $this->getVariableType($id)));
217		}
218	95	$this->set($id, $definition);
219		}
220	95	}
221
222	95	private function setDefaultDefinitions(): void
223		{
224	95	$this->setMultiple([
225	95	ContainerInterface::class => $this,
226		StateResetter::class => StateResetter::class,
227		]);
228	95	}
229
230		/**
231		* Set container delegates.
232		*
233		* Each delegate must is a callable in format "function (ContainerInterface $container): ContainerInterface".
234		* The container instance returned is used in case a service can not be found in primary container.
235		*
236		* @param array $delegates
237		*
238		* @throws InvalidConfigException
239		*/
240	8	private function setDelegates(array $delegates): void
241		{
242	8	foreach ($delegates as $delegate) {
243	1	if (!$delegate instanceof Closure) {
244		throw new InvalidConfigException(
245		'Delegate must be callable in format "function (ContainerInterface $container): ContainerInterface".'
246		);
247		}
248
249	1	$delegate = $delegate($this);
250
251	1	if (!$delegate instanceof ContainerInterface) {
252		throw new InvalidConfigException(
253		'Delegate callable must return an object that implements ContainerInterface.'
254		);
255		}
256
257	1	$this->delegates->attach($delegate);
258		}
259	8	$this->definitions->setDelegateContainer($this->delegates);
260	8	}
261
262		/**
263		* @param mixed $definition Definition to validate.
264		* @param string\|null $id ID of the definition to validate.
265		*
266		* @throws InvalidConfigException
267		*/
268	95	private function validateDefinition($definition, ?string $id = null): void
269		{
270	95	if (is_array($definition) && isset($definition[DefinitionParser::IS_PREPARED_ARRAY_DEFINITION_DATA])) {
271	36	$class = $definition['class'];
272	36	$constructorArguments = $definition['__construct()'];
273	36	$methodsAndProperties = $definition['methodsAndProperties'];
274	36	$definition = array_merge(
275	36	$class === null ? [] : [ArrayDefinition::CLASS_NAME => $class],
276	36	[ArrayDefinition::CONSTRUCTOR => $constructorArguments],
277		$methodsAndProperties,
278		);
279		}
280
281	95	if ($definition instanceof ExtensibleService) {
282		throw new InvalidConfigException('Invalid definition. ExtensibleService is only allowed in provider extensions.');
283		}
284
285	95	DefinitionValidator::validate($definition, $id);
286	95	}
287
288		/**
289		* @throws InvalidConfigException
290		*/
291	95	private function validateMeta(array $meta): void
292		{
293	95	foreach ($meta as $key => $_value) {
294	16	if (!in_array($key, self::ALLOWED_META, true)) {
295	3	throw new InvalidConfigException(
296	3	sprintf(
297	3	'Invalid definition: metadata "%s" is not allowed. Did you mean "%s()" or "$%s"?',
298		$key,
299		$key,
300		$key,
301		)
302		);
303		}
304		}
305	95	}
306
307	8	private function validateTags(array $tags): void
308		{
309	8	foreach ($tags as $tag) {
310	8	if (!is_string($tag)) {
311		throw new InvalidConfigException('Invalid tag. Expected a string, got ' . var_export($tag, true) . '.');
312		}
313		}
314	8	}
315
316	8	private function setTags(string $id, array $tags): void
317		{
318	8	foreach ($tags as $tag) {
319	8	if (!isset($this->tags[$tag]) \|\| !in_array($id, $this->tags[$tag], true)) {
320	8	$this->tags[$tag][] = $id;
321		}
322		}
323	8	}
324
325	4	private function setResetter(string $id, Closure $resetter): void
326		{
327	4	$this->resetters[$id] = $resetter;
328	4	}
329
330		/**
331		* Creates new instance by either interface name or alias.
332		*
333		* @param string $id The interface or an alias name that was previously registered.
334		*
335		* @throws CircularReferenceException
336		* @throws InvalidConfigException
337		* @throws NotFoundException
338		*
339		* @return mixed\|object New built instance of the specified class.
340		*
341		* @internal
342		*/
343	83	private function build(string $id)
344		{
345	83	if ($this->isTagAlias($id)) {
346	9	return $this->getTaggedServices($id);
347		}
348
349	82	if (isset($this->building[$id])) {
350	76	if ($id === ContainerInterface::class) {
351	76	return $this;
352		}
353	4	throw new CircularReferenceException(sprintf(
354	4	'Circular reference to "%s" detected while building: %s.',
355		$id,
356	4	implode(', ', array_keys($this->building))
357		));
358		}
359
360	82	$this->building[$id] = 1;
361		try {
362	82	$object = $this->buildInternal($id);
363	76	} finally {
364	82	unset($this->building[$id]);
365		}
366
367	76	return $object;
368		}
369
370	88	private function isTagAlias(string $id): bool
371		{
372	88	return strncmp($id, 'tag@', 4) === 0;
373		}
374
375	9	private function getTaggedServices(string $tagAlias): array
376		{
377	9	$tag = substr($tagAlias, 4);
378	9	$services = [];
379	9	if (isset($this->tags[$tag])) {
380	8	foreach ($this->tags[$tag] as $service) {
381	8	$services[] = $this->get($service);
382		}
383		}
384
385	9	return $services;
386		}
387
388		/**
389		* @param string $id
390		*
391		* @throws InvalidConfigException
392		* @throws NotFoundException
393		*
394		* @return mixed\|object
395		*/
396	82	private function buildInternal(string $id)
397		{
398	82	if ($this->definitions->has($id)) {
399	76	$definition = DefinitionNormalizer::normalize($this->definitions->get($id), $id);
400
401	76	return $definition->resolve($this->get(ContainerInterface::class));
402		}
403
404	5	throw new NotFoundException($id, $this->definitions->getBuildStack());
405		}
406
407	9	private function addProviders(array $providers): void
408		{
409	9	$extensions = [];
410	9	foreach ($providers as $provider) {
411	6	$providerInstance = $this->buildProvider($provider);
412	6	$extensions[] = $providerInstance->getExtensions();
413	6	$this->addProviderDefinitions($providerInstance);
414		}
415
416	9	foreach ($extensions as $providerExtensions) {
417	6	foreach ($providerExtensions as $id => $extension) {
418	5	if (!$this->definitions->has($id)) {
419	1	throw new InvalidConfigException("Extended service \"$id\" doesn't exist.");
420		}
421
422	5	$definition = $this->definitions->get($id);
423	5	if (!$definition instanceof ExtensibleService) {
424	5	$definition = new ExtensibleService($definition);
425	5	$this->definitions->set($id, $definition);
426		}
427
428	5	$definition->addExtension($extension);
429		}
430		}
431	8	}
432
433		/**
434		* Adds service provider definitions to the container.
435		*
436		* @param ServiceProviderInterface $provider Provider to get definitions from.
437		*
438		* @throws InvalidConfigException
439		* @throws NotInstantiableException
440		*/
441	6	private function addProviderDefinitions(ServiceProviderInterface $provider): void
442		{
443	6	$definitions = $provider->getDefinitions();
444	6	$this->setMultiple($definitions);
445	6	}
446
447		/**
448		* Builds service provider by definition.
449		*
450		* @param mixed $provider Class name or instance of provider.
451		*
452		* @throws InvalidConfigException If provider argument is not valid.
453		*
454		* @return ServiceProviderInterface Instance of service provider.
455		*
456		* @psalm-suppress MoreSpecificReturnType
457		*/
458	6	private function buildProvider($provider): ServiceProviderInterface
459		{
460	6	if ($this->validate && !(is_string($provider) \|\| $provider instanceof ServiceProviderInterface)) {
461		throw new InvalidConfigException(
462		sprintf(
463		'Service provider should be a class name or an instance of %s. %s given.',
464		ServiceProviderInterface::class,
465		$this->getVariableType($provider)
466		)
467		);
468		}
469
470	6	$providerInstance = is_object($provider) ? $provider : new $provider();
471	6	if (!$providerInstance instanceof ServiceProviderInterface) {
472		throw new InvalidConfigException(
473		sprintf(
474		'Service provider should be an instance of %s. %s given.',
475		ServiceProviderInterface::class,
476		$this->getVariableType($providerInstance)
477		)
478		);
479		}
480
481		/**
482		* @psalm-suppress LessSpecificReturnStatement
483		*/
484	6	return $providerInstance;
485		}
486
487		/**
488		* @param mixed $variable
489		*/
490	1	private function getVariableType($variable): string
491		{
492	1	return is_object($variable) ? get_class($variable) : gettype($variable);
493		}
494		}
495

yiisoft / di

Push — 275-parameter-bag ( 07683d )

Container::get() B

Complexity

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Duplication

Code Coverage

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Long Method

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