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<?php |
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/** |
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* This file is a part of "Axessors" library. |
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* |
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* @author <[email protected]> |
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* @license GPL |
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*/ |
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namespace NoOne4rever\Axessors; |
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use NoOne4rever\Axessors\Exceptions\AxessorsError; |
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use NoOne4rever\Axessors\Exceptions\TypeError; |
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/** |
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* Class MethodRunner. |
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* |
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* Runs a method generated by Axessors. |
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* |
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* @package NoOne4rever\Axessors |
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*/ |
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class MethodRunner extends RunningSuit |
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{ |
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/** @var string method name */ |
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private $method; |
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/** |
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* MethodRunner constructor. |
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* |
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* @param int $mode running mode |
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* @param PropertyData $data property data |
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* @param string $class class |
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* @param string $method method name |
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* @param object|null $object object |
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*/ |
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public function __construct(int $mode, PropertyData $data, string $class, string $method, $object = null) |
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{ |
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parent::__construct($mode, $data, $class, $object); |
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$this->method = $method; |
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} |
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/** |
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* Emulates execution of the method. |
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* |
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* @param array $args the arguments of the method called |
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* @return mixed return value of the method called |
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* @throws AxessorsError if conditions for executing an accessor did not pass |
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* @throws AxessorsError if Axessors method not found |
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*/ |
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public function run(array $args) |
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{ |
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$prefix = substr($this->method, 0, 3); |
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if ($prefix == 'get') { |
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$this->propertyData->reflection->setAccessible(true); |
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$value = is_null($this->object) ? $this->propertyData->reflection->getValue() : $this->propertyData->reflection->getValue($this->object); |
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$this->propertyData->reflection->setAccessible(false); |
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return $this->executeAccessor(RunningSuit::OUTPUT_MODE, $value); |
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} elseif ($prefix == 'set') { |
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$value = $this->executeAccessor(RunningSuit::INPUT_MODE, $args[0]); |
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$this->propertyData->reflection->setAccessible(true); |
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is_null($this->object) ? $this->propertyData->reflection->setValue($value) : $this->propertyData->reflection->setValue($this->object, |
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$value); |
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$this->propertyData->reflection->setAccessible(false); |
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return; |
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} else { |
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$this->method = str_replace(ucfirst($this->propertyData->getName()), 'PROPERTY', $this->method); |
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return $this->runAxessorsMethod($args); |
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} |
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} |
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/** |
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* Searches and runs Axessors method. |
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* |
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* @param array $args method parameters |
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* @return mixed result of function |
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* @throws AxessorsError if requested method not found |
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*/ |
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private function runAxessorsMethod(array $args) |
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{ |
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$this->propertyData->reflection->setAccessible(true); |
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$value = $this->propertyData->reflection->getValue($this->object); |
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$this->checkType($this->propertyData->getTypeTree(), $value); |
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foreach ($this->propertyData->getTypeTree() as $type => $subType) { |
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$type = is_int($type) ? $subType : $type; |
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$reflection = new \ReflectionClass($type); |
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foreach ($reflection->getMethods() as $method) { |
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if (!($method->isStatic() && $method->isPublic() && !$method->isAbstract())) { |
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continue; |
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} elseif ($method->name === "m_in_$this->method" || $method->name === "m_out_$this->method") { |
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return $this->executeAxessorsMethod($type, $method->name, $value, $args); |
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} |
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} |
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} |
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throw new AxessorsError("method {$this->class}::{$this->method}() not found"); |
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} |
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/** |
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* Executes Axessors method. |
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* |
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* @param string $type type name |
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* @param string $name method name |
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* @param mixed $value value to read/write |
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* @param array $args arguments |
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* @return mixed function result |
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*/ |
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private function executeAxessorsMethod(string $type, string $name, $value, array $args) |
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{ |
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if ($name == "m_in_$this->method") { |
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// add support for static properties |
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$this->propertyData->reflection->setValue($this->object, |
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call_user_func([$type, "m_in_$this->method"], $value, $args)); |
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$this->propertyData->reflection->setAccessible(false); |
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return; |
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} elseif ($name == "m_out_$this->method") { |
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$result = call_user_func([$type, "m_out_$this->method"], $value, $args); |
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$this->propertyData->reflection->setAccessible(false); |
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return $result; |
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} |
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} |
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/** |
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* Executes complex accessor. |
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* |
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* @param int $mode running mode |
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* @param mixed $value field or argument value |
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* @return mixed new value |
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* @throws AxessorsError if conditions for accessor did not pass |
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*/ |
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private function executeAccessor(int $mode, $value) |
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{ |
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$this->checkType($this->propertyData->getTypeTree(), $value); |
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$conditionsSuit = new ConditionsSuit($mode, $this->propertyData, $this->class, $this->method, $this->object); |
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if ($conditionsSuit->processConditions($value)) { |
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$handlersSuit = new HandlersSuit($mode, $this->propertyData, $this->class, $this->object); |
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$value = $handlersSuit->executeHandlers($value); |
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return $value; |
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} else { |
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throw new AxessorsError("conditions for {$this->class}::{$this->method}() did not pass"); |
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} |
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} |
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private function is($var, string $type): bool |
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{ |
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$isExactClass = $var instanceof $type; |
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$isAxessorsType = ((new \ReflectionClass($type))->hasMethod('is') && call_user_func([$type, 'is'], $var)); |
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return $isExactClass || $isAxessorsType; |
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} |
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/** |
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* Checks if the type of new property's value is correct. |
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* |
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* @param array $typeTree all possible types |
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* @param $var mixed new value of the property |
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* @throws TypeError if the type of new property's value does not match the type defined in Axessors comment |
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*/ |
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private function checkType(array $typeTree, $var): void |
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{ |
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foreach ($typeTree as $type => $subType) { |
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if (is_int($type) && $this->is($var, $subType)) { |
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return; |
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} elseif (is_iterable($var) && $this->is($var, $type)) { |
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foreach ($var as $subVar) { |
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$this->checkType($subType, $subVar); |
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} |
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return; |
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} |
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} |
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throw new TypeError("not a valid type of {$this->class}::\${$this->propertyData->getName()}"); |
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} |
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} |
NoOne4rever /
Axessors
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