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<?php |
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namespace Minime\Annotations\Types; |
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use stdClass; |
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use ReflectionClass; |
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use Minime\Annotations\Interfaces\TypeInterface; |
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use Minime\Annotations\ParserException; |
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class ConcreteType implements TypeInterface |
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{ |
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/** |
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* @var TypeInterface |
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*/ |
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private static $instance; |
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public static function getType() |
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{ |
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if (!isset(self::$instance)) { |
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self::$instance = new ConcreteType(); |
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} |
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return self::$instance; |
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} |
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/** |
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* @var array |
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*/ |
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private $namespaceLookup = []; |
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/** |
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* Set of user defined namespaces to lookup for class autoloading. |
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* |
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* @param array $namespaces |
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*/ |
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public function setNamespaces(array $namespaces) |
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{ |
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$this->namespaceLookup = $namespaces; |
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} |
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/** |
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* @param string $class |
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* |
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* @return string |
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* |
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* @throws ParserException |
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*/ |
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protected function checkClassExistence($class) |
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{ |
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$found = class_exists($class); |
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$classname = $class; |
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$i = 0; |
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while (!$found && $i < count($this->namespaceLookup)) { |
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$classname = $this->namespaceLookup[$i] . $class; |
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$found = class_exists($classname); |
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$i++; |
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} |
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if (!$found) { |
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throw new ParserException("Concrete annotation expects '{$class}' to exist."); |
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} |
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return $classname; |
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} |
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/** |
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* Process a value to be a concrete annotation |
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* |
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* @param string $value json string |
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* @param string $class name of concrete annotation type (class) |
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* |
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* @throws ParserException |
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* |
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* @return object |
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*/ |
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public function parse($value, $class = null) |
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{ |
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$classname = $this->checkClassExistence($class); |
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$prototype = (new JsonType)->parse($value); |
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if ($prototype instanceof stdClass) { |
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if (!$this->isPrototypeSchemaValid($prototype)) { |
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throw new ParserException("Only arrays should be used to configure concrete annotation method calls."); |
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} |
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return $this->makeInstance($classname, $prototype); |
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} |
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if (is_array($prototype)) { |
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return $this->makeConstructSugarInjectionInstance($classname, $prototype); |
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} |
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throw new ParserException("Json value for annotation({$classname}) must be of type object or array."); |
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} |
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protected function makeConstructSugarInjectionInstance($class, array $prototype) { |
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$reflection = new ReflectionClass($class); |
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$instance = $reflection->newInstanceArgs($prototype); |
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return $instance; |
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} |
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/** |
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* Creates and hydrates a concrete annotation class |
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* |
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* @param string $class full qualified class name |
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* @param stdClass $prototype object prototype |
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* @return object hydrated concrete annotation class |
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*/ |
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protected function makeInstance($class, stdClass $prototype) |
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{ |
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$reflection = new ReflectionClass($class); |
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if (isset($prototype->__construct)) { |
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$instance = $reflection->newInstanceArgs($prototype->__construct); |
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unset($prototype->__construct); |
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} else { |
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$instance = $reflection->newInstance(); |
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} |
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return $this->doMethodConfiguration($instance, $prototype); |
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} |
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/** |
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* Do configuration injection through method calls |
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* |
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* @param object $instance concrete annotation instance |
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* @param stdClass $prototype object prototype |
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* @return object hydrated concrete annotation class |
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*/ |
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protected function doMethodConfiguration($instance, stdClass $prototype) |
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{ |
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foreach ($prototype as $method => $args) { |
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call_user_func_array([$instance, $method], $args); |
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} |
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return $instance; |
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} |
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/** |
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* Validates a prototype object |
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* |
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* @param stdClass $prototype object prototype |
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* @return boolean true if prototype is valid |
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*/ |
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protected function isPrototypeSchemaValid(stdclass $prototype) |
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{ |
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foreach ($prototype as $args) { |
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if (! is_array($args)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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marcioAlmada /
annotations
