412 lines
14 KiB
PHP
412 lines
14 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This file is part of the Symfony package.
|
||
|
|
*
|
||
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
||
|
|
*
|
||
|
|
* For the full copyright and license information, please view the LICENSE
|
||
|
|
* file that was distributed with this source code.
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace Symfony\Component\DependencyInjection;
|
||
|
|
|
||
|
|
use Symfony\Component\DependencyInjection\Argument\RewindableGenerator;
|
||
|
|
use Symfony\Component\DependencyInjection\Argument\ServiceLocator as ArgumentServiceLocator;
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\EnvNotFoundException;
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\ParameterCircularReferenceException;
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException;
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
|
||
|
|
use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
|
||
|
|
use Symfony\Component\DependencyInjection\ParameterBag\EnvPlaceholderParameterBag;
|
||
|
|
use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;
|
||
|
|
use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
|
||
|
|
use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
|
||
|
|
use Symfony\Contracts\Service\ResetInterface;
|
||
|
|
|
||
|
|
// Help opcache.preload discover always-needed symbols
|
||
|
|
class_exists(RewindableGenerator::class);
|
||
|
|
class_exists(ArgumentServiceLocator::class);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Container is a dependency injection container.
|
||
|
|
*
|
||
|
|
* It gives access to object instances (services).
|
||
|
|
* Services and parameters are simple key/pair stores.
|
||
|
|
* The container can have four possible behaviors when a service
|
||
|
|
* does not exist (or is not initialized for the last case):
|
||
|
|
*
|
||
|
|
* * EXCEPTION_ON_INVALID_REFERENCE: Throws an exception at compilation time (the default)
|
||
|
|
* * NULL_ON_INVALID_REFERENCE: Returns null
|
||
|
|
* * IGNORE_ON_INVALID_REFERENCE: Ignores the wrapping command asking for the reference
|
||
|
|
* (for instance, ignore a setter if the service does not exist)
|
||
|
|
* * IGNORE_ON_UNINITIALIZED_REFERENCE: Ignores/returns null for uninitialized services or invalid references
|
||
|
|
* * RUNTIME_EXCEPTION_ON_INVALID_REFERENCE: Throws an exception at runtime
|
||
|
|
*
|
||
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
||
|
|
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
|
||
|
|
*/
|
||
|
|
class Container implements ContainerInterface, ResetInterface
|
||
|
|
{
|
||
|
|
protected ParameterBagInterface $parameterBag;
|
||
|
|
protected array $services = [];
|
||
|
|
protected array $privates = [];
|
||
|
|
protected array $fileMap = [];
|
||
|
|
protected array $methodMap = [];
|
||
|
|
protected array $factories = [];
|
||
|
|
protected array $aliases = [];
|
||
|
|
protected array $loading = [];
|
||
|
|
protected array $resolving = [];
|
||
|
|
protected array $syntheticIds = [];
|
||
|
|
|
||
|
|
private array $envCache = [];
|
||
|
|
private bool $compiled = false;
|
||
|
|
private \Closure $getEnv;
|
||
|
|
|
||
|
|
private static \Closure $make;
|
||
|
|
|
||
|
|
public function __construct(?ParameterBagInterface $parameterBag = null)
|
||
|
|
{
|
||
|
|
$this->parameterBag = $parameterBag ?? new EnvPlaceholderParameterBag();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compiles the container.
|
||
|
|
*
|
||
|
|
* This method does two things:
|
||
|
|
*
|
||
|
|
* * Parameter values are resolved;
|
||
|
|
* * The parameter bag is frozen.
|
||
|
|
*/
|
||
|
|
public function compile(): void
|
||
|
|
{
|
||
|
|
$this->parameterBag->resolve();
|
||
|
|
|
||
|
|
$this->parameterBag = new FrozenParameterBag(
|
||
|
|
$this->parameterBag->all(),
|
||
|
|
$this->parameterBag instanceof ParameterBag ? $this->parameterBag->allDeprecated() : [],
|
||
|
|
$this->parameterBag instanceof ParameterBag ? $this->parameterBag->allNonEmpty() : [],
|
||
|
|
);
|
||
|
|
|
||
|
|
$this->compiled = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns true if the container is compiled.
|
||
|
|
*/
|
||
|
|
public function isCompiled(): bool
|
||
|
|
{
|
||
|
|
return $this->compiled;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the service container parameter bag.
|
||
|
|
*/
|
||
|
|
public function getParameterBag(): ParameterBagInterface
|
||
|
|
{
|
||
|
|
return $this->parameterBag;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets a parameter.
|
||
|
|
*
|
||
|
|
* @throws ParameterNotFoundException if the parameter is not defined
|
||
|
|
*/
|
||
|
|
public function getParameter(string $name): array|bool|string|int|float|\UnitEnum|null
|
||
|
|
{
|
||
|
|
return $this->parameterBag->get($name);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function hasParameter(string $name): bool
|
||
|
|
{
|
||
|
|
return $this->parameterBag->has($name);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function setParameter(string $name, array|bool|string|int|float|\UnitEnum|null $value): void
|
||
|
|
{
|
||
|
|
$this->parameterBag->set($name, $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets a service.
|
||
|
|
*
|
||
|
|
* Setting a synthetic service to null resets it: has() returns false and get()
|
||
|
|
* behaves in the same way as if the service was never created.
|
||
|
|
*/
|
||
|
|
public function set(string $id, ?object $service): void
|
||
|
|
{
|
||
|
|
// Runs the internal initializer; used by the dumped container to include always-needed files
|
||
|
|
if (isset($this->privates['service_container']) && $this->privates['service_container'] instanceof \Closure) {
|
||
|
|
$initialize = $this->privates['service_container'];
|
||
|
|
unset($this->privates['service_container']);
|
||
|
|
$initialize($this);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('service_container' === $id) {
|
||
|
|
throw new InvalidArgumentException('You cannot set service "service_container".');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!(isset($this->fileMap[$id]) || isset($this->methodMap[$id]))) {
|
||
|
|
if (isset($this->syntheticIds[$id]) || !isset($this->getRemovedIds()[$id])) {
|
||
|
|
// no-op
|
||
|
|
} elseif (null === $service) {
|
||
|
|
throw new InvalidArgumentException(\sprintf('The "%s" service is private, you cannot unset it.', $id));
|
||
|
|
} else {
|
||
|
|
throw new InvalidArgumentException(\sprintf('The "%s" service is private, you cannot replace it.', $id));
|
||
|
|
}
|
||
|
|
} elseif (isset($this->services[$id])) {
|
||
|
|
throw new InvalidArgumentException(\sprintf('The "%s" service is already initialized, you cannot replace it.', $id));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($this->aliases[$id])) {
|
||
|
|
unset($this->aliases[$id]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $service) {
|
||
|
|
unset($this->services[$id]);
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->services[$id] = $service;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function has(string $id): bool
|
||
|
|
{
|
||
|
|
if (isset($this->aliases[$id])) {
|
||
|
|
$id = $this->aliases[$id];
|
||
|
|
}
|
||
|
|
if (isset($this->services[$id])) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if ('service_container' === $id) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return isset($this->fileMap[$id]) || isset($this->methodMap[$id]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets a service.
|
||
|
|
*
|
||
|
|
* @throws ServiceCircularReferenceException When a circular reference is detected
|
||
|
|
* @throws ServiceNotFoundException When the service is not defined
|
||
|
|
*
|
||
|
|
* @see Reference
|
||
|
|
*/
|
||
|
|
public function get(string $id, int $invalidBehavior = self::EXCEPTION_ON_INVALID_REFERENCE): ?object
|
||
|
|
{
|
||
|
|
return $this->services[$id]
|
||
|
|
?? $this->services[$id = $this->aliases[$id] ?? $id]
|
||
|
|
?? ('service_container' === $id ? $this : ($this->factories[$id] ?? self::$make ??= self::make(...))($this, $id, $invalidBehavior));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a service.
|
||
|
|
*
|
||
|
|
* As a separate method to allow "get()" to use the really fast `??` operator.
|
||
|
|
*/
|
||
|
|
private static function make(self $container, string $id, int $invalidBehavior): ?object
|
||
|
|
{
|
||
|
|
if (isset($container->loading[$id])) {
|
||
|
|
throw new ServiceCircularReferenceException($id, array_merge(array_keys($container->loading), [$id]));
|
||
|
|
}
|
||
|
|
|
||
|
|
$container->loading[$id] = true;
|
||
|
|
|
||
|
|
try {
|
||
|
|
if (isset($container->fileMap[$id])) {
|
||
|
|
return /* self::IGNORE_ON_UNINITIALIZED_REFERENCE */ 4 === $invalidBehavior ? null : $container->load($container->fileMap[$id]);
|
||
|
|
} elseif (isset($container->methodMap[$id])) {
|
||
|
|
return /* self::IGNORE_ON_UNINITIALIZED_REFERENCE */ 4 === $invalidBehavior ? null : $container->{$container->methodMap[$id]}($container);
|
||
|
|
}
|
||
|
|
} catch (\Exception $e) {
|
||
|
|
unset($container->services[$id]);
|
||
|
|
|
||
|
|
throw $e;
|
||
|
|
} finally {
|
||
|
|
unset($container->loading[$id]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self::EXCEPTION_ON_INVALID_REFERENCE === $invalidBehavior) {
|
||
|
|
if (!$id) {
|
||
|
|
throw new ServiceNotFoundException($id);
|
||
|
|
}
|
||
|
|
if (isset($container->syntheticIds[$id])) {
|
||
|
|
throw new ServiceNotFoundException($id, null, null, [], \sprintf('The "%s" service is synthetic, it needs to be set at boot time before it can be used.', $id));
|
||
|
|
}
|
||
|
|
if (isset($container->getRemovedIds()[$id])) {
|
||
|
|
throw new ServiceNotFoundException($id, null, null, [], \sprintf('The "%s" service or alias has been removed or inlined when the container was compiled. You should either make it public, or stop using the container directly and use dependency injection instead.', $id));
|
||
|
|
}
|
||
|
|
|
||
|
|
$alternatives = [];
|
||
|
|
foreach ($container->getServiceIds() as $knownId) {
|
||
|
|
if ('' === $knownId || '.' === $knownId[0]) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$lev = levenshtein($id, $knownId);
|
||
|
|
if ($lev <= \strlen($id) / 3 || str_contains($knownId, $id)) {
|
||
|
|
$alternatives[] = $knownId;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
throw new ServiceNotFoundException($id, null, null, $alternatives);
|
||
|
|
}
|
||
|
|
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns true if the given service has actually been initialized.
|
||
|
|
*/
|
||
|
|
public function initialized(string $id): bool
|
||
|
|
{
|
||
|
|
if (isset($this->aliases[$id])) {
|
||
|
|
$id = $this->aliases[$id];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('service_container' === $id) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return isset($this->services[$id]);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function reset(): void
|
||
|
|
{
|
||
|
|
$services = $this->services + $this->privates;
|
||
|
|
|
||
|
|
foreach ($services as $service) {
|
||
|
|
try {
|
||
|
|
if ($service instanceof ResetInterface) {
|
||
|
|
$service->reset();
|
||
|
|
}
|
||
|
|
} catch (\Throwable) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->envCache = $this->services = $this->factories = $this->privates = [];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function resetEnvCache(): void
|
||
|
|
{
|
||
|
|
$this->envCache = [];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets all service ids.
|
||
|
|
*
|
||
|
|
* @return string[]
|
||
|
|
*/
|
||
|
|
public function getServiceIds(): array
|
||
|
|
{
|
||
|
|
return array_map('strval', array_unique(array_merge(['service_container'], array_keys($this->fileMap), array_keys($this->methodMap), array_keys($this->aliases), array_keys($this->services))));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets service ids that existed at compile time.
|
||
|
|
*/
|
||
|
|
public function getRemovedIds(): array
|
||
|
|
{
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Camelizes a string.
|
||
|
|
*/
|
||
|
|
public static function camelize(string $id): string
|
||
|
|
{
|
||
|
|
return strtr(ucwords(strtr($id, ['_' => ' ', '.' => '_ ', '\\' => '_ '])), [' ' => '']);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A string to underscore.
|
||
|
|
*/
|
||
|
|
public static function underscore(string $id): string
|
||
|
|
{
|
||
|
|
return strtolower(preg_replace(['/([A-Z]+)([A-Z][a-z])/', '/([a-z\d])([A-Z])/'], ['\\1_\\2', '\\1_\\2'], str_replace('_', '.', $id)));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a service by requiring its factory file.
|
||
|
|
*/
|
||
|
|
protected function load(string $file): mixed
|
||
|
|
{
|
||
|
|
return require $file;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Fetches a variable from the environment.
|
||
|
|
*
|
||
|
|
* @throws EnvNotFoundException When the environment variable is not found and has no default value
|
||
|
|
*/
|
||
|
|
protected function getEnv(string $name): mixed
|
||
|
|
{
|
||
|
|
if (isset($this->resolving[$envName = "env($name)"])) {
|
||
|
|
throw new ParameterCircularReferenceException(array_keys($this->resolving));
|
||
|
|
}
|
||
|
|
if (isset($this->envCache[$name]) || \array_key_exists($name, $this->envCache)) {
|
||
|
|
return $this->envCache[$name];
|
||
|
|
}
|
||
|
|
if (!$this->has($id = 'container.env_var_processors_locator')) {
|
||
|
|
$this->set($id, new ServiceLocator([]));
|
||
|
|
}
|
||
|
|
$this->getEnv ??= $this->getEnv(...);
|
||
|
|
$processors = $this->get($id);
|
||
|
|
|
||
|
|
if (false !== $i = strpos($name, ':')) {
|
||
|
|
$prefix = substr($name, 0, $i);
|
||
|
|
$localName = substr($name, 1 + $i);
|
||
|
|
} else {
|
||
|
|
$prefix = 'string';
|
||
|
|
$localName = $name;
|
||
|
|
}
|
||
|
|
|
||
|
|
$processor = $processors->has($prefix) ? $processors->get($prefix) : new EnvVarProcessor($this);
|
||
|
|
if (false === $i) {
|
||
|
|
$prefix = '';
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->resolving[$envName] = true;
|
||
|
|
try {
|
||
|
|
return $this->envCache[$name] = $processor->getEnv($prefix, $localName, $this->getEnv);
|
||
|
|
} finally {
|
||
|
|
unset($this->resolving[$envName]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
final protected function getService(string|false $registry, string $id, ?string $method, string|bool $load): mixed
|
||
|
|
{
|
||
|
|
if ('service_container' === $id) {
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
if (\is_string($load)) {
|
||
|
|
throw new RuntimeException($load);
|
||
|
|
}
|
||
|
|
if (null === $method) {
|
||
|
|
return false !== $registry ? $this->{$registry}[$id] ?? null : null;
|
||
|
|
}
|
||
|
|
if (false !== $registry) {
|
||
|
|
return $this->{$registry}[$id] ??= $load ? $this->load($method) : $this->{$method}($this);
|
||
|
|
}
|
||
|
|
if (!$load) {
|
||
|
|
return $this->{$method}($this);
|
||
|
|
}
|
||
|
|
|
||
|
|
return ($factory = $this->factories[$id] ?? $this->factories['service_container'][$id] ?? null) ? $factory($this) : $this->load($method);
|
||
|
|
}
|
||
|
|
|
||
|
|
private function __clone()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
}
|