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<?php |
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/** |
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* \AppserverIo\Doppelgaenger\Entities\PointcutExpression |
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* |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* PHP version 5 |
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* |
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* @author Bernhard Wick <[email protected]> |
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* @copyright 2015 TechDivision GmbH - <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/appserver-io/doppelgaenger |
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* @link http://www.appserver.io/ |
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*/ |
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namespace AppserverIo\Doppelgaenger\Entities; |
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use AppserverIo\Doppelgaenger\Dictionaries\ReservedKeywords; |
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use AppserverIo\Doppelgaenger\Entities\Pointcuts\PointcutFactory; |
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use AppserverIo\Doppelgaenger\Interfaces\CodifyableInterface; |
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use AppserverIo\Psr\MetaobjectProtocol\Aop\Annotations\Advices\Around; |
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/** |
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* Definition of a pointcut as a combination of a joinpoint and advices |
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* |
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* @author Bernhard Wick <[email protected]> |
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* @copyright 2015 TechDivision GmbH - <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/appserver-io/doppelgaenger |
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* @link http://www.appserver.io/ |
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* |
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* @see https://www.eclipse.org/aspectj/doc/next/progguide/quick.html |
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* @see https://www.eclipse.org/aspectj/doc/next/progguide/semantics-pointcuts.html |
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*/ |
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class PointcutExpression implements CodifyableInterface |
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{ |
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/** |
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* Joinpoint at which the enclosed advices have to be weaved |
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* |
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* @var \AppserverIo\Doppelgaenger\Entities\Joinpoint|null $joinpoint |
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*/ |
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protected $joinpoint; |
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/** |
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* Pointcut(tree) representing the logical structure of the given string expression |
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* |
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* @var \AppserverIo\Doppelgaenger\Interfaces\PointcutInterface $pointcut |
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*/ |
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protected $pointcut; |
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/** |
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* Original string definition of the pointcut |
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* |
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* @var string $string |
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*/ |
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protected $string; |
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/** |
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* Default constructor |
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* |
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* @param string $rawString Raw string the pointcuts expressions can be filtered from |
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*/ |
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public function __construct($rawString) |
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{ |
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$this->joinpoint = null; |
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$this->string = $rawString; |
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$pointcutFactory = new PointcutFactory(); |
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$this->pointcut = $pointcutFactory->getInstance($rawString); |
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} |
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/** |
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* Getter for the $joinpoints property |
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* |
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* @return \AppserverIo\Doppelgaenger\Entities\Joinpoint|null |
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*/ |
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public function getJoinpoint() |
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{ |
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return $this->joinpoint; |
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} |
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/** |
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* Getter for the $pointcut property |
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* |
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* @return \AppserverIo\Doppelgaenger\Interfaces\PointcutInterface |
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*/ |
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public function getPointcut() |
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{ |
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return $this->pointcut; |
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} |
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/** |
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* Getter for the $string property |
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* |
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* @return string |
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*/ |
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public function getString() |
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{ |
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return $this->string; |
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} |
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/** |
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* Setter for the $joinpoints property |
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* |
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* @param \AppserverIo\Doppelgaenger\Entities\Joinpoint $joinpoint Joinpoint instance to set |
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* |
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* @return null |
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*/ |
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public function setJoinpoint(Joinpoint $joinpoint) |
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{ |
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$this->joinpoint = $joinpoint; |
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} |
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/** |
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* Setter for the $pointcut property |
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* |
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* @param \AppserverIo\Doppelgaenger\Interfaces\PointcutInterface $pointcut Pointcut of this expression |
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* |
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* @return null |
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*/ |
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public function setPointcut($pointcut) |
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{ |
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$this->pointcut = $pointcut; |
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} |
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/** |
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* Setter for the $string property |
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* |
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* @param string $string Expression string |
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* |
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* @return null |
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*/ |
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public function setString($string) |
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{ |
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$this->string = $string; |
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} |
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/** |
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* Return a string representation of the logic behind pointcut expression |
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* |
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* @return string |
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*/ |
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public function toCode() |
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{ |
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// around advices need to have their result saved |
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$assignTo = null; |
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if (!is_null($this->getJoinpoint()) && $this->getJoinpoint()->getCodeHook() === Around::ANNOTATION) { |
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$assignTo = ReservedKeywords::RESULT; |
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} |
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// do we even have an useful condition? |
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$condition = $this->getPointcut()->getConditionString(); |
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if ($condition === 'true' || empty($condition)) { |
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return $this->getPointcut()->getExecutionString($assignTo); |
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} else { |
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return 'if (' . $condition .') { |
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' . $this->getPointcut()->getExecutionString($assignTo) . ' |
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}'; |
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} |
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} |
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} |
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appserver-io /
doppelgaenger
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