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<?php |
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namespace Psi\Component\Grid; |
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class Registry |
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{ |
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private $context; |
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private $class; |
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private $instances = []; |
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private $aliases = []; |
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public function __construct(string $class, string $context) |
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{ |
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$this->class = $class; |
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$this->context = $context; |
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} |
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public function register($instance, $alias = null) |
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{ |
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if (!is_object($instance)) { |
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throw new \InvalidArgumentException(sprintf( |
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'Expected an object, but got an "%s".', |
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gettype($instance) |
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)); |
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} |
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if (false === $instance instanceof $this->class) { |
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throw new \InvalidArgumentException(sprintf( |
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'Expected an instance of "%s", but got "%s"', |
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$this->class, get_class($instance) |
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)); |
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} |
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$classFqn = get_class($instance); |
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if (isset($this->instances[$classFqn])) { |
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throw new \InvalidArgumentException(sprintf( |
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'%s "%s" has already been registered', |
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$this->context, $classFqn |
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)); |
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} |
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$this->instances[$classFqn] = $instance; |
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if (null !== $alias) { |
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if (isset($this->aliases[$alias])) { |
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throw new \InvalidArgumentException(sprintf( |
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'Alias "%s" has already been set to "%s"', |
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$alias, $this->aliases[$alias] |
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)); |
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} |
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$this->aliases[$alias] = $classFqn; |
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} |
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} |
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public function get(string $classFqn) |
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{ |
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if (isset($this->aliases[$classFqn])) { |
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$classFqn = $this->aliases[$classFqn]; |
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} |
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if (!isset($this->instances[$classFqn])) { |
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throw new \InvalidArgumentException(sprintf( |
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'%s with name "%s" was not found. Known %s types: "%s", aliases: "%s"', |
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$this->context, |
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$classFqn, |
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$this->context, |
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implode('", "', array_keys($this->instances)), |
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implode('", "', array_keys($this->aliases)) |
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)); |
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} |
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return $this->instances[$classFqn]; |
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} |
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public function has(string $classFqn) |
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{ |
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return isset($this->instances[$classFqn]) || isset($this->aliases[$classFqn]); |
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} |
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} |
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psiphp /
grid
