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<?php |
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/** |
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* This file is part of Properties package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Serafim\Properties; |
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use Railt\Io\File; |
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use Serafim\Properties\Attribute\AttributeInterface; |
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use Serafim\Properties\Exception\AccessDeniedException; |
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use Serafim\Properties\Exception\NotReadableException; |
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use Serafim\Properties\Exception\NotWritableException; |
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/** |
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* Trait Properties |
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*/ |
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trait Properties |
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{ |
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/** |
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* @param mixed $name |
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* @return mixed |
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* @throws \Psr\SimpleCache\InvalidArgumentException |
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* @throws \Railt\Io\Exception\ExternalFileException |
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* @throws \Railt\Io\Exception\NotReadableException |
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*/ |
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public function __get($name) |
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{ |
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\assert(\is_scalar($name)); |
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$attribute = Bootstrap::getInstance()->getAttribute(static::class, (string)$name); |
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if ($attribute && $attribute->isReadable()) { |
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return $this->$name; |
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} |
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$error = \sprintf('Property %s::$%s not readable', __CLASS__, $name); |
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throw $this->propertyAccessException(NotReadableException::class, $error); |
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} |
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/** |
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* @param mixed $name |
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* @param mixed $value |
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* @return mixed |
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* @throws AccessDeniedException |
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* @throws \Psr\SimpleCache\InvalidArgumentException |
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* @throws \Railt\Io\Exception\NotReadableException |
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*/ |
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public function __set($name, $value) |
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{ |
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\assert(\is_scalar($name)); |
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$attribute = Bootstrap::getInstance()->getAttribute(static::class, (string)$name); |
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if ($attribute && $attribute->isWritable()) { |
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if (! $attribute->match($value)) { |
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$error = 'New value of %s::$%s is not compatible with type hint definition'; |
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$error = \sprintf($error, __CLASS__, $name); |
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throw $this->propertyAccessException(NotWritableException::class, $error); |
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} |
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return $this->$name = $value; |
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} |
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$error = \sprintf('Property %s::$%s not writable', __CLASS__, $name); |
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throw $this->propertyAccessException(NotWritableException::class, $error); |
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} |
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/** |
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* @param string $exception |
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* @param string $message |
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* @return AccessDeniedException |
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* @throws \Railt\Io\Exception\NotReadableException |
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*/ |
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private function propertyAccessException(string $exception, string $message): AccessDeniedException |
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{ |
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[$file, $line] = Bootstrap::getInstance()->getInvocationPosition(); |
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return (new $exception($message))->throwsIn(File::fromPathname($file), $line, 0); |
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} |
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/** |
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* @param mixed $name |
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* @return bool |
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*/ |
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public function __isset($name): bool |
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{ |
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\assert(\is_scalar($name)); |
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return \property_exists($this, $name); |
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} |
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/** |
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* @param mixed $name |
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* @throws NotWritableException |
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* @throws \Psr\SimpleCache\InvalidArgumentException |
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*/ |
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public function __unset($name) |
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{ |
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\assert(\is_scalar($name)); |
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$this->__set($name, null); |
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} |
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} |
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SerafimArts /
Properties
Loading history...
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.