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<?php |
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/* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* This software consists of voluntary contributions made by many individuals |
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* and is licensed under the MIT license. |
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*/ |
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declare(strict_types=1); |
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namespace ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\Util; |
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use ProxyManager\Generator\MethodGenerator; |
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use ProxyManager\Generator\Util\ProxiedMethodReturnExpression; |
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use Zend\Code\Generator\PropertyGenerator; |
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/** |
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* Utility to create pre- and post- method interceptors around a given method body |
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* |
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* @author Marco Pivetta <[email protected]> |
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* @license MIT |
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* |
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* @private - this class is just here as a small utility for this component, don't use it in your own code |
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*/ |
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class InterceptorGenerator |
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{ |
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/** |
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* @param string $methodBody the body of the previously generated code. |
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* It MUST assign the return value to a variable |
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* `$returnValue` instead of directly returning |
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* @param \ProxyManager\Generator\MethodGenerator $method |
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* @param \Zend\Code\Generator\PropertyGenerator $valueHolder |
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* @param \Zend\Code\Generator\PropertyGenerator $prefixInterceptors |
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* @param \Zend\Code\Generator\PropertyGenerator $suffixInterceptors |
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* @param \ReflectionMethod|null $originalMethod |
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* |
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* @return string |
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*/ |
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public static function createInterceptedMethodBody( |
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string $methodBody, |
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MethodGenerator $method, |
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PropertyGenerator $valueHolder, |
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PropertyGenerator $prefixInterceptors, |
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PropertyGenerator $suffixInterceptors, |
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?\ReflectionMethod $originalMethod |
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) : string { |
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$name = var_export($method->getName(), true); |
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$valueHolderName = $valueHolder->getName(); |
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$prefixInterceptorsName = $prefixInterceptors->getName(); |
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$suffixInterceptorsName = $suffixInterceptors->getName(); |
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$params = []; |
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foreach ($method->getParameters() as $parameter) { |
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$parameterName = $parameter->getName(); |
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$params[] = var_export($parameterName, true) . ' => $' . $parameter->getName(); |
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} |
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$paramsString = 'array(' . implode(', ', $params) . ')'; |
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return "if (isset(\$this->$prefixInterceptorsName" . "[$name])) {\n" |
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. " \$returnEarly = false;\n" |
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. " \$prefixReturnValue = \$this->$prefixInterceptorsName" . "[$name]->__invoke(" |
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. "\$this, \$this->$valueHolderName, $name, $paramsString, \$returnEarly);\n\n" |
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. " if (\$returnEarly) {\n" |
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. ' ' . ProxiedMethodReturnExpression::generate('$prefixReturnValue', $originalMethod) . "\n" |
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. " }\n" |
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. "}\n\n" |
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. $methodBody . "\n\n" |
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. "if (isset(\$this->$suffixInterceptorsName" . "[$name])) {\n" |
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. " \$returnEarly = false;\n" |
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. " \$suffixReturnValue = \$this->$suffixInterceptorsName" . "[$name]->__invoke(" |
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. "\$this, \$this->$valueHolderName, $name, $paramsString, \$returnValue, \$returnEarly);\n\n" |
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. " if (\$returnEarly) {\n" |
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. ' ' . ProxiedMethodReturnExpression::generate('$suffixReturnValue', $originalMethod) . "\n" |
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. " }\n" |
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. "}\n\n" |
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. ProxiedMethodReturnExpression::generate('$returnValue', $originalMethod); |
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} |
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} |
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Ocramius /
ProxyManager
