generated from yiisoft/package-template
/
DefinitionResolver.php
97 lines (85 loc) · 3.01 KB
/
DefinitionResolver.php
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<?php
declare(strict_types=1);
namespace Yiisoft\Definitions\Helpers;
use Psr\Container\ContainerInterface;
use Yiisoft\Definitions\Contract\DefinitionInterface;
use Yiisoft\Definitions\Contract\ReferenceInterface;
use Yiisoft\Definitions\Exception\InvalidConfigException;
use Yiisoft\Definitions\ParameterDefinition;
use Yiisoft\Definitions\ValueDefinition;
use function is_array;
/**
* @internal
*/
final class DefinitionResolver
{
/**
* Resolves dependencies by replacing them with the actual object instances.
*
* @param ContainerInterface $container Container to get dependencies from.
* @param ContainerInterface|null $referenceContainer Container to get references from.
* @psalm-param array<string,mixed> $definitions Definitions to resolve.
*
* @return array The resolved dependencies.
*/
public static function resolveArray(ContainerInterface $container, ?ContainerInterface $referenceContainer, array $definitions): array
{
$result = [];
/** @var mixed $definition */
foreach ($definitions as $key => $definition) {
if (
$definition instanceof ParameterDefinition &&
(
$definition->isVariadic() ||
($definition->isOptional() && !$definition->hasValue())
)
) {
continue;
}
/** @var mixed */
$result[$key] = self::resolve($container, $referenceContainer, $definition);
}
return $result;
}
/**
* This function resolves a definition recursively, checking for loops.
*
* @param mixed $definition Definition to resolve.
*
* @return mixed
*/
public static function resolve(ContainerInterface $container, ?ContainerInterface $referenceContainer, $definition)
{
if ($definition instanceof DefinitionInterface) {
$container = $referenceContainer !== null && $definition instanceof ReferenceInterface
? $referenceContainer
: $container;
/** @var mixed $definition */
$definition = $definition->resolve($container);
} elseif (is_array($definition)) {
/** @psalm-var array<string,mixed> $definition */
return self::resolveArray($container, $referenceContainer, $definition);
}
return $definition;
}
/**
* @param mixed $value
*
* @throws InvalidConfigException
*
* @return array|ReferenceInterface|ValueDefinition
*/
public static function ensureResolvable($value)
{
if ($value instanceof ReferenceInterface || is_array($value)) {
return $value;
}
if ($value instanceof DefinitionInterface) {
throw new InvalidConfigException(
'Only references are allowed in constructor arguments, a definition object was provided: ' .
var_export($value, true)
);
}
return new ValueDefinition($value);
}
}