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<?php |
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declare(strict_types=1); |
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namespace Gacela\Framework\ClassResolver\GlobalInstance; |
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use Gacela\Framework\ClassResolver\ClassInfo; |
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use Gacela\Framework\ClassResolver\GlobalKey; |
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use Gacela\Framework\ClassResolver\ResolvableType; |
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use RuntimeException; |
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use function end; |
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use function explode; |
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use function get_class; |
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use function get_parent_class; |
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use function implode; |
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use function in_array; |
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use function is_string; |
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use function ltrim; |
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use function sprintf; |
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final class AnonymousGlobal |
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{ |
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private const ALLOWED_TYPES_FOR_ANONYMOUS_GLOBAL = ['Config', 'Factory', 'DependencyProvider']; |
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/** @var array<string,object> */ |
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private static array $cachedGlobalInstances = []; |
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/** |
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* @template T |
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* |
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* @param class-string<T> $className |
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* |
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* @return ?T |
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* |
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* @internal so the Locator can access to the global instances before creating a new instance |
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*/ |
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public static function getByClassName(string $className) |
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{ |
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$key = self::getGlobalKeyFromClassName($className); |
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/** @var ?T $instance */ |
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$instance = self::getByKey($key) |
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?? self::getByKey('\\' . $key) |
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?? null; |
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return $instance; |
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} |
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/** |
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* @return ?object |
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*/ |
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public static function getByKey(string $key) |
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{ |
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return self::$cachedGlobalInstances[$key] ?? null; |
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} |
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/** |
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* Add an anonymous class as 'Config', 'Factory' or 'DependencyProvider' as a global resource |
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* bound to the context that it's pass as first argument. It can be the string-key |
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* (from a non-class/file context) or the class/object itself. |
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* |
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* @param object|string $context |
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*/ |
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public static function addGlobal($context, object $resolvedClass): void |
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{ |
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$contextName = self::extractContextNameFromContext($context); |
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$parentClass = get_parent_class($resolvedClass); |
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$type = is_string($parentClass) |
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? ResolvableType::fromClassName($parentClass)->resolvableType() |
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: $contextName; |
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self::validateTypeForAnonymousGlobalRegistration($type); |
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$key = sprintf('\%s\%s\%s', ClassInfo::MODULE_NAME_ANONYMOUS, $contextName, $type); |
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self::addCachedGlobalInstance($key, $resolvedClass); |
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} |
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public static function overrideExistingResolvedClass(string $className, object $resolvedClass): void |
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{ |
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$key = self::getGlobalKeyFromClassName($className); |
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self::addCachedGlobalInstance($key, $resolvedClass); |
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} |
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/** |
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* @param object|string $context |
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*/ |
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private static function extractContextNameFromContext($context): string |
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{ |
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if (is_string($context)) { |
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return $context; |
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} |
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$callerClass = get_class($context); |
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/** @var list<string> $callerClassParts */ |
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$callerClassParts = explode('\\', ltrim($callerClass, '\\')); |
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$lastCallerClassParts = end($callerClassParts); |
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return is_string($lastCallerClassParts) ? $lastCallerClassParts : ''; |
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} |
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private static function validateTypeForAnonymousGlobalRegistration(string $type): void |
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{ |
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if (!in_array($type, self::ALLOWED_TYPES_FOR_ANONYMOUS_GLOBAL)) { |
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throw new RuntimeException( |
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"Type '$type' not allowed. Valid types: " . implode(', ', self::ALLOWED_TYPES_FOR_ANONYMOUS_GLOBAL) |
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); |
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} |
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} |
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private static function addCachedGlobalInstance(string $key, object $resolvedClass): void |
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{ |
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self::$cachedGlobalInstances[$key] = $resolvedClass; |
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} |
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private static function getGlobalKeyFromClassName(string $className): string |
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{ |
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return GlobalKey::fromClassName($className); |
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} |
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} |
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gacela-project /
gacela
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