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ContainerBuilder.php
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ContainerBuilder.php
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<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\DI;
use Nette;
use Nette\DI\Definitions\Definition;
/**
* Container builder.
*/
class ContainerBuilder
{
use Nette\SmartObject;
public const
THIS_SERVICE = 'self',
THIS_CONTAINER = 'container';
/** @var array */
public $parameters = [];
/** @var Definition[] */
private $definitions = [];
/** @var array of alias => service */
private $aliases = [];
/** @var Autowiring */
private $autowiring;
/** @var bool */
private $needsResolve = true;
/** @var bool */
private $resolving = false;
/** @var array */
private $dependencies = [];
public function __construct()
{
$this->autowiring = new Autowiring($this);
$this->addImportedDefinition(self::THIS_CONTAINER)->setType(Container::class);
}
/**
* Adds new service definition.
* @return Definitions\ServiceDefinition
*/
public function addDefinition(string $name, Definition $definition = null): Definition
{
$this->needsResolve = true;
if (!$name) { // builder is not ready for falsy names such as '0'
throw new Nette\InvalidArgumentException(sprintf('Service name must be a non-empty string, %s given.', gettype($name)));
}
$name = $this->aliases[$name] ?? $name;
if (isset($this->definitions[$name])) {
throw new Nette\InvalidStateException("Service '$name' has already been added.");
}
$lname = strtolower($name);
foreach ($this->definitions as $nm => $foo) {
if ($lname === strtolower((string) $nm)) {
throw new Nette\InvalidStateException("Service '$name' has the same name as '$nm' in a case-insensitive manner.");
}
}
if (!$definition) {
$definition = new Definitions\ServiceDefinition;
}
$definition->setName($name);
$definition->setNotifier(function (): void {
$this->needsResolve = true;
});
return $this->definitions[$name] = $definition;
}
public function addAccessorDefinition(string $name): Definitions\AccessorDefinition
{
return $this->addDefinition($name, new Definitions\AccessorDefinition);
}
public function addFactoryDefinition(string $name): Definitions\FactoryDefinition
{
return $this->addDefinition($name, new Definitions\FactoryDefinition);
}
public function addLocatorDefinition(string $name): Definitions\LocatorDefinition
{
return $this->addDefinition($name, new Definitions\LocatorDefinition);
}
public function addImportedDefinition(string $name): Definitions\ImportedDefinition
{
return $this->addDefinition($name, new Definitions\ImportedDefinition);
}
/**
* Removes the specified service definition.
*/
public function removeDefinition(string $name): void
{
$this->needsResolve = true;
$name = $this->aliases[$name] ?? $name;
unset($this->definitions[$name]);
}
/**
* Gets the service definition.
*/
public function getDefinition(string $name): Definition
{
$service = $this->aliases[$name] ?? $name;
if (!isset($this->definitions[$service])) {
throw new MissingServiceException("Service '$name' not found.");
}
return $this->definitions[$service];
}
/**
* Gets all service definitions.
* @return Definition[]
*/
public function getDefinitions(): array
{
return $this->definitions;
}
/**
* Does the service definition or alias exist?
*/
public function hasDefinition(string $name): bool
{
$name = $this->aliases[$name] ?? $name;
return isset($this->definitions[$name]);
}
public function addAlias(string $alias, string $service): void
{
if (!$alias) { // builder is not ready for falsy names such as '0'
throw new Nette\InvalidArgumentException(sprintf('Alias name must be a non-empty string, %s given.', gettype($alias)));
} elseif (!$service) { // builder is not ready for falsy names such as '0'
throw new Nette\InvalidArgumentException(sprintf('Service name must be a non-empty string, %s given.', gettype($service)));
} elseif (isset($this->aliases[$alias])) {
throw new Nette\InvalidStateException("Alias '$alias' has already been added.");
} elseif (isset($this->definitions[$alias])) {
throw new Nette\InvalidStateException("Service '$alias' has already been added.");
}
$this->aliases[$alias] = $service;
}
/**
* Removes the specified alias.
*/
public function removeAlias(string $alias): void
{
unset($this->aliases[$alias]);
}
/**
* Gets all service aliases.
*/
public function getAliases(): array
{
return $this->aliases;
}
/**
* @param string[] $types
* @return static
*/
public function addExcludedClasses(array $types)
{
$this->needsResolve = true;
$this->autowiring->addExcludedClasses($types);
return $this;
}
/**
* Resolves service name by type.
* @param bool $throw exception if service doesn't exist?
* @throws ServiceCreationException
*/
public function getByType(string $type, bool $throw = false): ?string
{
if ($this->resolving) {
throw new NotAllowedDuringResolvingException;
} elseif ($this->needsResolve) {
$this->resolve();
}
return $this->autowiring->getByType($type, $throw);
}
/**
* Gets the service definition of the specified type.
*/
public function getDefinitionByType(string $type): Definition
{
return $this->getDefinition($this->getByType($type, true));
}
/**
* Gets the service names and definitions of the specified type.
* @return Definition[] service name is key
*/
public function findByType(string $type): array
{
if ($this->resolving) {
throw new NotAllowedDuringResolvingException;
} elseif ($this->needsResolve) {
$this->resolve();
}
return $this->autowiring->findByType($type);
}
/**
* Gets the service objects of the specified tag.
* @return array of [service name => tag attributes]
*/
public function findByTag(string $tag): array
{
$found = [];
foreach ($this->definitions as $name => $def) {
if (($tmp = $def->getTag($tag)) !== null) {
$found[$name] = $tmp;
}
}
return $found;
}
/********************* building ****************d*g**/
/**
* Checks services, resolves types and rebuilts autowiring classlist.
*/
public function resolve(): void
{
if ($this->resolving) {
return;
}
$this->resolving = true;
$resolver = new Resolver($this);
foreach ($this->definitions as $def) {
$resolver->resolveDefinition($def);
}
$this->autowiring->rebuild();
$this->resolving = $this->needsResolve = false;
}
public function complete(): void
{
$this->resolve();
foreach ($this->definitions as $def) {
$def->setNotifier(null);
}
$resolver = new Resolver($this);
foreach ($this->definitions as $def) {
$resolver->completeDefinition($def);
}
}
/**
* Adds item to the list of dependencies.
* @param \ReflectionClass|\ReflectionFunctionAbstract|string $dep
* @return static
* @internal
*/
public function addDependency($dep)
{
$this->dependencies[] = $dep;
return $this;
}
/**
* Returns the list of dependencies.
*/
public function getDependencies(): array
{
return $this->dependencies;
}
/**
* @internal
*/
public function exportMeta(): array
{
$meta['types'] = $this->autowiring->getClassList();
$defs = $this->definitions;
ksort($defs);
foreach ($defs as $name => $def) {
$meta['services'][$name] = $def->getType();
foreach ($def->getTags() as $tag => $value) {
$meta['tags'][$tag][$name] = $value;
}
}
$meta['aliases'] = $this->aliases;
ksort($meta['aliases']);
return $meta;
}
public static function literal(string $code, array $args = null): Nette\PhpGenerator\PhpLiteral
{
return new Nette\PhpGenerator\PhpLiteral(
$args === null ? $code : Nette\PhpGenerator\Helpers::formatArgs($code, $args)
);
}
/** @deprecated */
public function formatPhp(string $statement, array $args): string
{
array_walk_recursive($args, function (&$val): void {
if ($val instanceof Statement) {
$val = (new Resolver($this))->completeStatement($val);
} elseif ($val instanceof Definition) {
$val = new Definitions\Reference($val->getName());
}
});
return (new PhpGenerator($this))->formatPhp($statement, $args);
}
/** @deprecated use resolve() */
public function prepareClassList(): void
{
trigger_error(__METHOD__ . '() is deprecated, use resolve()', E_USER_DEPRECATED);
$this->resolve();
}
}