Container::buildInternal() - Code Metrics - Inspection of "Type parameters" - yiisoft/di - Measure and Improve Code Quality continuously with Scrutinizer

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Push — upgrade-psr ( 8f6abe...9a5b54 )

by Dmitriy

created 2021-10-10 13:27 UTC

Container::buildInternal() A

↳ Parent: Container

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	2
eloc	4
c	2
b	0
f	0
nc	2
nop	1
dl	0
loc	9
ccs	5
cts	5
cp	1
crap	2
rs	10

<?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 $id)
    {
        /** @psalm-suppress TypeDoesNotContainType */
        if (!is_string($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
     * @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 $id)
136		{
137		/** @psalm-suppress TypeDoesNotContainType */
138	82	if (!is_string($id)) {
		0 ignored issues – show introduced 2021-08-10 08:46 UTC by Report Bug Copy Issue Report The condition `is_string($id)` is always `true`. Loading history...
139		throw new \InvalidArgumentException("Id must be a string, {$this->getVariableType($id)} given.");
140		}
141
142	82	if (!array_key_exists($id, $this->instances)) {
143		try {
144	82	$this->instances[$id] = $this->build($id);
145	14	} catch (NotFoundException $e) {
146	5	if (!$this->delegates->has($id)) {
147	4	throw $e;
148		}
149
150	1	return $this->delegates->get($id);
151		}
152		}
153
154	76	if ($id === StateResetter::class && $this->definitions->get($id) === StateResetter::class) {
155	4	$resetters = [];
156	4	foreach ($this->resetters as $serviceId => $callback) {
157	4	if (isset($this->instances[$serviceId])) {
158	4	$resetters[$serviceId] = $callback;
159		}
160		}
161	4	if ($this->delegates->has(StateResetter::class)) {
162		$resetters[] = $this->delegates->get(StateResetter::class);
163		}
164	4	$this->instances[$id]->setResetters($resetters);
165		}
166
167	76	return $this->instances[$id];
168		}
169
170		/**
171		* Sets a definition to the container. Definition may be defined multiple ways.
172		*
173		* @param string $id
174		* @param mixed $definition
175		*
176		* @throws InvalidConfigException
177		*
178		* @see `DefinitionNormalizer::normalize()`
179		*/
180	95	private function set(string $id, $definition): void
181		{
182	95	[$definition, $meta] = DefinitionParser::parse($definition);
183	95	if ($this->validate) {
184	95	$this->validateDefinition($definition, $id);
185	95	$this->validateMeta($meta);
186		}
187
188	95	if (isset($meta[self::META_TAGS])) {
189	8	if ($this->validate) {
190	8	$this->validateTags($meta[self::META_TAGS]);
191		}
192	8	$this->setTags($id, $meta[self::META_TAGS]);
193		}
194	95	if (isset($meta[self::META_RESET])) {
195	5	$this->setResetter($id, $meta[self::META_RESET]);
196		}
197
198	95	unset($this->instances[$id]);
199	95	$this->definitions->set($id, $definition);
200	95	}
201
202		/**
203		* Sets multiple definitions at once.
204		*
205		* @param array $config definitions indexed by their ids
206		*
207		* @throws InvalidConfigException
208		*/
209	95	private function setMultiple(array $config): void
210		{
211	95	foreach ($config as $id => $definition) {
212	95	if ($this->validate && !is_string($id)) {
213	1	throw new InvalidConfigException(sprintf('Key must be a string. %s given.', $this->getVariableType($id)));
214		}
215	95	$this->set($id, $definition);
216		}
217	95	}
218
219	95	private function setDefaultDefinitions(): void
220		{
221	95	$this->setMultiple([
222	95	ContainerInterface::class => $this,
223		StateResetter::class => StateResetter::class,
224		]);
225	95	}
226
227		/**
228		* Set container delegates.
229		*
230		* Each delegate must is a callable in format "function (ContainerInterface $container): ContainerInterface".
231		* The container instance returned is used in case a service can not be found in primary container.
232		*
233		* @param array $delegates
234		*
235		* @throws InvalidConfigException
236		*/
237	88	private function setDelegates(array $delegates): void
238		{
239	88	$this->delegates = new CompositeContainer();
240	88	foreach ($delegates as $delegate) {
241	1	if (!$delegate instanceof Closure) {
242		throw new InvalidConfigException(
243		'Delegate must be callable in format "function (ContainerInterface $container): ContainerInterface".'
244		);
245		}
246
247	1	$delegate = $delegate($this);
248
249	1	if (!$delegate instanceof ContainerInterface) {
250		throw new InvalidConfigException(
251		'Delegate callable must return an object that implements ContainerInterface.'
252		);
253		}
254
255	1	$this->delegates->attach($delegate);
256		}
257	88	$this->definitions->setDelegateContainer($this->delegates);
258	88	}
259
260		/**
261		* @param mixed $definition
262		*
263		* @throws InvalidConfigException
264		*/
265	95	private function validateDefinition($definition, ?string $id = null): void
266		{
267	95	if (is_array($definition) && isset($definition[DefinitionParser::IS_PREPARED_ARRAY_DEFINITION_DATA])) {
268	36	$class = $definition['class'];
269	36	$constructorArguments = $definition['__construct()'];
270	36	$methodsAndProperties = $definition['methodsAndProperties'];
271	36	$definition = array_merge(
272	36	$class === null ? [] : [ArrayDefinition::CLASS_NAME => $class],
273	36	[ArrayDefinition::CONSTRUCTOR => $constructorArguments],
274		$methodsAndProperties,
275		);
276		}
277
278	95	if ($definition instanceof ExtensibleService) {
279		throw new InvalidConfigException('Invalid definition. ExtensibleService is only allowed in provider extensions.');
280		}
281
282	95	DefinitionValidator::validate($definition, $id);
283	95	}
284
285		/**
286		* @throws InvalidConfigException
287		*/
288	95	private function validateMeta(array $meta): void
289		{
290	95	foreach ($meta as $key => $_value) {
291	16	if (!in_array($key, self::ALLOWED_META, true)) {
292	3	throw new InvalidConfigException(
293	3	sprintf(
294	3	'Invalid definition: metadata "%s" is not allowed. Did you mean "%s()" or "$%s"?',
295		$key,
296		$key,
297		$key,
298		)
299		);
300		}
301		}
302	95	}
303
304	8	private function validateTags(array $tags): void
305		{
306	8	foreach ($tags as $tag) {
307	8	if (!is_string($tag)) {
308		throw new InvalidConfigException('Invalid tag. Expected a string, got ' . var_export($tag, true) . '.');
309		}
310		}
311	8	}
312
313	8	private function setTags(string $id, array $tags): void
314		{
315	8	foreach ($tags as $tag) {
316	8	if (!isset($this->tags[$tag]) \|\| !in_array($id, $this->tags[$tag], true)) {
317	8	$this->tags[$tag][] = $id;
318		}
319		}
320	8	}
321
322	4	private function setResetter(string $id, Closure $resetter): void
323		{
324	4	$this->resetters[$id] = $resetter;
325	4	}
326
327		/**
328		* Creates new instance by either interface name or alias.
329		*
330		* @param string $id The interface or an alias name that was previously registered.
331		*
332		* @throws CircularReferenceException
333		* @throws InvalidConfigException
334		* @throws NotFoundException
335		*
336		* @return mixed\|object New built instance of the specified class.
337		*
338		* @internal
339		*/
340	82	private function build(string $id)
341		{
342	82	if ($this->isTagAlias($id)) {
343	9	return $this->getTaggedServices($id);
344		}
345
346	81	if (isset($this->building[$id])) {
347	75	if ($id === ContainerInterface::class) {
348	75	return $this;
349		}
350	4	throw new CircularReferenceException(sprintf(
351	4	'Circular reference to "%s" detected while building: %s.',
352		$id,
353	4	implode(', ', array_keys($this->building))
354		));
355		}
356
357	81	$this->building[$id] = 1;
358		try {
359	81	$object = $this->buildInternal($id);
360	75	} finally {
361	81	unset($this->building[$id]);
362		}
363
364	75	return $object;
365		}
366
367	87	private function isTagAlias(string $id): bool
368		{
369	87	return strpos($id, 'tag@') === 0;
370		}
371
372	9	private function getTaggedServices(string $tagAlias): array
373		{
374	9	$tag = substr($tagAlias, 4);
375	9	$services = [];
376	9	if (isset($this->tags[$tag])) {
377	8	foreach ($this->tags[$tag] as $service) {
378	8	$services[] = $this->get($service);
379		}
380		}
381
382	9	return $services;
383		}
384
385		/**
386		* @param string $id
387		*
388		* @throws InvalidConfigException
389		* @throws NotFoundException
390		*
391		* @return mixed\|object
392		*/
393	81	private function buildInternal(string $id)
394		{
395	81	if ($this->definitions->has($id)) {
396	75	$definition = DefinitionNormalizer::normalize($this->definitions->get($id), $id);
397
398	75	return $definition->resolve($this->get(ContainerInterface::class));
399		}
400
401	5	throw new NotFoundException($id, $this->definitions->getBuildStack());
402		}
403
404	89	private function addProviders(array $providers): void
405		{
406	89	$extensions = [];
407	89	foreach ($providers as $provider) {
408	5	$providerInstance = $this->buildProvider($provider);
409	5	$extensions[] = $providerInstance->getExtensions();
410	5	$this->addProviderDefinitions($providerInstance);
411		}
412
413	89	foreach ($extensions as $providerExtensions) {
414	5	foreach ($providerExtensions as $id => $extension) {
415	4	if (!$this->definitions->has($id)) {
416	1	throw new InvalidConfigException("Extended service \"$id\" doesn't exist.");
417		}
418
419	4	$definition = $this->definitions->get($id);
420	4	if (!$definition instanceof ExtensibleService) {
421	4	$definition = new ExtensibleService($definition);
422	4	$this->definitions->set($id, $definition);
423		}
424
425	4	$definition->addExtension($extension);
426		}
427		}
428	88	}
429
430		/**
431		* Adds service provider definitions to the container.
432		*
433		* @param object $provider
434		*
435		* @throws InvalidConfigException
436		* @throws NotInstantiableException
437		*
438		* @see ServiceProviderInterface
439		*/
440	5	private function addProviderDefinitions($provider): void
441		{
442	5	$definitions = $provider->getDefinitions();
443	5	$this->setMultiple($definitions);
444	5	}
445
446		/**
447		* Builds service provider by definition.
448		*
449		* @param mixed $provider Class name or instance of provider.
450		*
451		* @throws InvalidConfigException If provider argument is not valid.
452		*
453		* @return ServiceProviderInterface Instance of service provider.
454		*
455		* @psalm-suppress MoreSpecificReturnType
456		*/
457	5	private function buildProvider($provider): ServiceProviderInterface
458		{
459	5	if ($this->validate && !(is_string($provider) \|\| is_object($provider) && $provider instanceof ServiceProviderInterface)) {
460		throw new InvalidConfigException(
461		sprintf(
462		'Service provider should be a class name or an instance of %s. %s given.',
463		ServiceProviderInterface::class,
464		$this->getVariableType($provider)
465		)
466		);
467		}
468
469	5	$providerInstance = is_object($provider) ? $provider : new $provider();
470	5	if (!$providerInstance instanceof ServiceProviderInterface) {
471		throw new InvalidConfigException(
472		sprintf(
473		'Service provider should be an instance of %s. %s given.',
474		ServiceProviderInterface::class,
475		$this->getVariableType($providerInstance)
476		)
477		);
478		}
479
480		/**
481		* @psalm-suppress LessSpecificReturnStatement
482		*/
483	5	return $providerInstance;
484		}
485
486		/**
487		* @param mixed $variable
488		*/
489	1	private function getVariableType($variable): string
490		{
491	1	return is_object($variable) ? get_class($variable) : gettype($variable);
492		}
493		}
494

yiisoft / di

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Container::buildInternal() A

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