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<?php |
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/** |
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* @link https://github.com/old-town/old-town-workflow |
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* @author Malofeykin Andrey <[email protected]> |
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*/ |
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namespace OldTown\Workflow\Util; |
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use OldTown\PropertySet\PropertySetInterface; |
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use OldTown\Workflow\Exception\InternalWorkflowException; |
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use OldTown\Workflow\TransientVars\TransientVarsInterface; |
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/** |
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* Class DefaultVariableResolver |
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* |
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* @package OldTown\Workflow\Util |
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*/ |
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class DefaultVariableResolver implements VariableResolverInterface |
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{ |
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/** |
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* Регулярка для поиска перменных в аргументе |
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* |
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* @var string |
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*/ |
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protected $variablePatterns = '/.*?(\\${[a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_.\\x7f-\\xff]*})/i'; |
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/** |
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* |
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* @param string $s |
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* @param TransientVarsInterface $transientVars |
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* @param PropertySetInterface $ps |
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* |
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* @return mixed |
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* |
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* @throws \OldTown\Workflow\Exception\InternalWorkflowException |
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* @throws \OldTown\PropertySet\Exception\PropertyException |
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*/ |
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public function translateVariables($s, TransientVarsInterface $transientVars, PropertySetInterface $ps) |
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{ |
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if (0 === strpos($s, '${') && '}' === substr($s, -1) && 1 === substr_count($s, '$')) { |
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$var = substr($s, 2, -1); |
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return $this->getVariableFromMaps($var, $transientVars, $ps); |
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} |
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$resultVariable = $s; |
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$matches = []; |
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preg_match_all($this->variablePatterns, $s, $matches); |
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if (array_key_exists(1, $matches) && is_array($matches[1])) { |
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$prepareVariables = $matches[1]; |
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$variables = array_unique($prepareVariables); |
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$pattern = []; |
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$replacement = []; |
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foreach ($variables as $variable) { |
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$variableName = substr($variable, 2, -1); |
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$pattern[] = $variable; |
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$variableValue = $this->getVariableFromMaps($variableName, $transientVars, $ps); |
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$replacement[] = (string)$variableValue; |
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} |
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$resultVariable = str_replace($pattern, $replacement, $s); |
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} |
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return $resultVariable; |
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} |
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/** |
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* @param mixed $var |
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* @param TransientVarsInterface $transientVars |
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* @param PropertySetInterface $ps |
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* |
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* @return mixed |
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* @throws \OldTown\PropertySet\Exception\PropertyException |
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* @throws \OldTown\Workflow\Exception\InternalWorkflowException |
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*/ |
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public function getVariableFromMaps($var, TransientVarsInterface $transientVars, PropertySetInterface $ps) |
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{ |
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$firstDot = strpos($var, '.'); |
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$actualVar = $var; |
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if (false !== $firstDot) { |
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$actualVar = substr($var, 0, $firstDot); |
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} |
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$o = null; |
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if ($transientVars->offsetExists($actualVar)) { |
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$o = $transientVars->offsetGet($actualVar); |
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} |
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if (null === $o) { |
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$o = $ps->getAsActualType($actualVar); |
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} |
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if (false !== $firstDot) { |
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$property = substr($var, $firstDot + 1); |
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$o = $this->getPropertyObject($o, $property); |
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} |
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return $o; |
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} |
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/** |
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* @param mixed $object |
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* @param string|null $property |
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* |
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* @return mixed |
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* |
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* @throws \OldTown\Workflow\Exception\InternalWorkflowException |
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*/ |
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protected function getPropertyObject($object = null, $property = null) |
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{ |
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if (null === $object || null === $property || !is_object($object)) { |
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return null; |
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} |
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$property = (string)$property; |
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$st = explode('.', $property); |
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$result = $object; |
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foreach ($st as $currentPropertyName) { |
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try { |
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$result = $this->invokeProperty($result, $currentPropertyName); |
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} catch (\Exception $e) { |
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$errMsg = sprintf( |
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'Ошика при получение свойства %s', |
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$currentPropertyName |
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); |
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throw new InternalWorkflowException($errMsg, $e->getCode(), $e); |
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} |
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} |
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return $result; |
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} |
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/** |
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* @param mixed $obj |
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* @param string|null $property |
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* |
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* @return mixed |
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*/ |
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protected function invokeProperty($obj, $property = null) |
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{ |
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if (null === $property) { |
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return null; |
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} |
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if (!settype($property, 'string')) { |
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return null; |
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} |
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$property = trim($property); |
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if (0 === mb_strlen($property)) { |
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return null; |
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} |
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2 |
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if (!is_object($obj)) { |
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return null; |
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} |
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$methods = [ |
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$this->createMethodName('get', $property), |
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$this->createMethodName('is', $property), |
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$property |
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]; |
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$r = new \ReflectionObject($obj); |
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foreach ($methods as $method) { |
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if ($r->hasMethod($method)) { |
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$result = $r->getMethod($method)->invoke($obj); |
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return $result; |
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} |
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} |
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if ($r->hasProperty($property)) { |
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$rProperty = $r->getProperty($property); |
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if ($rProperty->isPublic()) { |
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$result = $rProperty->getValue($obj); |
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return $result; |
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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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* Подготавливает название метода |
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* |
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* @param $prefix |
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* @param $propertyName |
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* |
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* @return string |
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*/ |
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protected function createMethodName($prefix, $propertyName) |
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{ |
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return $prefix . ucfirst($propertyName); |
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} |
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} |
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old-town /
old-town-workflow
