Container::set() - Code Metrics - Inspection of "Remove unused code" - yiisoft/di - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — upgrade-psr ( 9a5b54...3d23e3 )

by Dmitriy

created 2021-10-10 13:29 UTC

Container::set() A

↳ Parent: Container

Complexity

Conditions	5
Paths	12

Size

Total Lines	20
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	5

Importance

Changes

Metric	Value
cc	5
eloc	12
nc	12
nop	2
dl	0
loc	20
ccs	13
cts	13
cp	1
crap	5
rs	9.5555
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Yiisoft\Di;

use Closure;
use Psr\Container\ContainerInterface;
use Yiisoft\Definitions\Infrastructure\DefinitionValidator;
use Yiisoft\Di\Contracts\ServiceProviderInterface;
use Yiisoft\Definitions\ArrayDefinition;
use Yiisoft\Definitions\Exception\CircularReferenceException;
use Yiisoft\Definitions\Exception\InvalidConfigException;
use Yiisoft\Definitions\Exception\NotFoundException;
use Yiisoft\Definitions\Exception\NotInstantiableException;

use function array_key_exists;
use function array_keys;
use function get_class;
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 instantiated during build
     * to detect circular references
     */
    private array $building = [];

    /**
     * @var bool $validate Validate definitions when set
     */
    private bool $validate;

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

    private CompositeContainer $delegates;

    private array $tags;

    private array $resetters = [];

    /**
     * Container constructor.
     *
     * @param array $definitions Definitions to put into container.
     * @param array $providers Service providers to get definitions from.
     * lookup to when resolving dependencies. If provided the current container
     * is no longer queried for dependencies.
     * @param array $tags
     * @param bool $validate If definitions should be validated immediately.
     * @param array $delegates 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.
     *
     * @throws InvalidConfigException
     *
     * @psalm-suppress PropertyNotSetInConstructor
     */
    public function __construct(
        array $definitions = [],
        array $providers = [],
        array $tags = [],
        bool $validate = true,
        array $delegates = []
    ) {
        $this->tags = $tags;
        $this->validate = $validate;
        $this->definitions = new DefinitionStorage();
        $this->setDefaultDefinitions();
        $this->setMultiple($definitions);
        $this->addProviders($providers);
        $this->setDelegates($delegates);
    }

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

yiisoft / di

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