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<?php |
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namespace suda\framework\response; |
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use ReflectionException; |
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use SplFileObject; |
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use ReflectionClass; |
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use JsonSerializable; |
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use suda\framework\exception\NoWrapperFoundException; |
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use suda\framework\response\wrapper\FileContentWrapper; |
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use suda\framework\response\wrapper\HtmlContentWrapper; |
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use suda\framework\response\wrapper\JsonContentWrapper; |
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use suda\framework\response\wrapper\NullContentWrapper; |
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/** |
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* 内容包装 |
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*/ |
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class ContentWrapper |
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{ |
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protected $types = [ |
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[ JsonContentWrapper::class , ['array', JsonSerializable::class],], |
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[ HtmlContentWrapper::class , ['boolean', 'integer','double', 'string'],], |
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[ NullContentWrapper::class , ['NULL'],], |
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[ FileContentWrapper::class , [SplFileObject::class],], |
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]; |
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/** |
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* 注册包装器 |
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* |
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* @param string $provider |
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* @param array $types |
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* @return void |
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*/ |
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public function register(string $provider, array $types) |
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{ |
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array_unshift($this->types, [$provider, $types]); |
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} |
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/** |
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* 判断是否为某种类型 |
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* |
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* @param mixed $data |
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* @param string $type |
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* @return boolean |
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*/ |
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public static function isTypeOf($data, string $type) : bool |
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{ |
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if (is_object($data) |
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&& !in_array($type, ['boolean', 'bool', 'integer', 'int', 'float', 'double', 'string','array','NULL'])) { |
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try { |
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$class = new ReflectionClass($data); |
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$typeRef = new ReflectionClass($type); |
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if ($typeRef->isInterface()) { |
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return $class->implementsInterface($type); |
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} else { |
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return $class->isSubclassOf($type) || $typeRef->isInstance($data); |
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} |
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} catch (ReflectionException $e) { |
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return false; |
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} |
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} else { |
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return gettype($data) === static::phpTypeAlias($type); |
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} |
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} |
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protected static function phpTypeAlias(string $type):string |
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{ |
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if ($type === 'bool') { |
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return 'boolean'; |
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} |
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if ($type === 'int') { |
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return 'integer'; |
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} |
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if ($type === 'float') { |
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return 'double'; |
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} |
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return $type; |
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} |
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/** |
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* 包装 |
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* |
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* @param mixed $content |
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* @return ContentWrapperInterface |
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*/ |
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public function getWrapper($content): ContentWrapperInterface |
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{ |
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if ($content instanceof ContentWrapperInterface) { |
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return $content; |
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} |
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if ($wrapper = $this->matchWrapper($content)) { |
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return $wrapper; |
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} |
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if (method_exists($content, '__toString')) { |
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return new HtmlContentWrapper($content, 'string'); |
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} |
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throw new NoWrapperFoundException(sprintf('no wrapper for type %s', get_class($content)), E_USER_ERROR); |
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} |
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/** |
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* @param $content |
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* @return ContentWrapperInterface|null |
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*/ |
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private function matchWrapper($content):?ContentWrapperInterface |
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{ |
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foreach ($this->types as $typeConfig) { |
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list($wrapper, $types) = $typeConfig; |
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foreach ($types as $type) { |
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if (static::isTypeOf($content, $type)) { |
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return new $wrapper($content, $type); |
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} |
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} |
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} |
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return null; |
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} |
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} |
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dxkite /
suda
