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<?php |
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namespace suda\database\middleware; |
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use function in_array; |
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use function json_decode; |
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use function json_encode; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionProperty; |
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use function serialize; |
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use function strtolower; |
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use function unserialize; |
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/** |
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* 结构中间件 |
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*/ |
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class ObjectMiddleware extends NullMiddleware |
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{ |
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/** |
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* 处理方式 |
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* |
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* @var array |
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*/ |
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protected $processor; |
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/** |
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* 数据对象 |
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* |
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* @var string |
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*/ |
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protected $object; |
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const RAW = 0; |
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const JSON = 1; |
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const SERIALIZE = 2; |
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/** |
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* 创建中间件 |
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* |
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* @param string $object |
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* @throws ReflectionException |
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*/ |
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public function __construct(string $object) |
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{ |
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$this->prepareProcessorSet($object); |
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$this->object = $object; |
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} |
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/** |
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* 处理输入数据 |
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* |
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* @param string $name |
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* @param mixed $data |
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* @return mixed |
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*/ |
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public function input(string $name, $data) |
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{ |
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if (array_key_exists($name, $this->processor)) { |
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if ($this->processor[$name] === ObjectMiddleware::SERIALIZE){ |
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return $data === null? $data : serialize($data); |
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} |
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if ($this->processor[$name] === ObjectMiddleware::JSON){ |
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return json_encode($data); |
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} |
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} |
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return $data; |
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} |
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/** |
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* 处理输出数据 |
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* |
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* @param string $name |
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* @param mixed $data |
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* @return mixed |
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*/ |
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public function output(string $name, $data) |
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{ |
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if (array_key_exists($name, $this->processor)) { |
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if ($this->processor[$name] === ObjectMiddleware::SERIALIZE){ |
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return unserialize($data) ?: null; |
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} |
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if ($this->processor[$name] === ObjectMiddleware::JSON){ |
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return json_decode($data); |
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} |
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} |
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return $data; |
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} |
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/** |
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* 创建处理集合 |
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* |
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* @param string $object |
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* @return void |
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* @throws ReflectionException |
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*/ |
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protected function prepareProcessorSet(string $object) |
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{ |
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$reflectObject = new ReflectionClass($object); |
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$this->processor = []; |
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foreach ($reflectObject->getProperties(ReflectionProperty::IS_PUBLIC | ReflectionProperty::IS_PROTECTED | ReflectionProperty::IS_PRIVATE) as $property) { |
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$this->processor[$property->getName()] = $this->getProcessorType($property); |
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} |
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} |
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/** |
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* 获取处理方式 |
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* |
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* @param ReflectionProperty $property |
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* @return integer |
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*/ |
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protected function getProcessorType(ReflectionProperty $property):int |
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{ |
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if ($doc = $property->getDocComment()) { |
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if (is_string($doc) && preg_match('/@var\s+(\w+)/i', $doc, $match)) { |
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$type = strtolower($match[1]); |
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if (in_array($type, ['boolean', 'bool', 'integer', 'int' , 'float' , 'double', 'string'])) { |
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return ObjectMiddleware::RAW; |
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} |
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} |
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} |
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return ObjectMiddleware::SERIALIZE; |
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} |
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} |
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dxkite /
suda
