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1 <?php 2 /* 3 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 4 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 7 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 8 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 9 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 14 * 15 * This software consists of voluntary contributions made by many individuals 16 * and is licensed under the MIT license. 17 */ 18 19 declare(strict_types=1); 20 21 namespace ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\Util; 22 23 use ProxyManager\Generator\MethodGenerator; 24 use ProxyManager\Generator\Util\ProxiedMethodReturnExpression; 25 use Zend\Code\Generator\PropertyGenerator; 26 27 /** 28 * Utility to create pre- and post- method interceptors around a given method body 29 * 30 * @author Marco Pivetta <ocramius@gmail.com> 31 * @license MIT 32 * 33 * @private - this class is just here as a small utility for this component, don't use it in your own code 34 */ 35 class InterceptorGenerator 36 { 37 /** 38 * @param string $methodBody the body of the previously generated code. 39 * It MUST assign the return value to a variable 40 * `$returnValue` instead of directly returning 41 * @param \ProxyManager\Generator\MethodGenerator $method 42 * @param \Zend\Code\Generator\PropertyGenerator $valueHolder 43 * @param \Zend\Code\Generator\PropertyGenerator $prefixInterceptors 44 * @param \Zend\Code\Generator\PropertyGenerator $suffixInterceptors 45 * @param \ReflectionMethod|null $originalMethod 46 * 47 * @return string 48 */ 49 public static function createInterceptedMethodBody( 50 string $methodBody, 51 MethodGenerator $method, 52 PropertyGenerator $valueHolder, 53 PropertyGenerator $prefixInterceptors, 54 PropertyGenerator $suffixInterceptors, 55 ?\ReflectionMethod $originalMethod 56 ) : string { 57 $name = var_export($method->getName(), true); 58 $valueHolderName = $valueHolder->getName(); 59 $prefixInterceptorsName = $prefixInterceptors->getName(); 60 $suffixInterceptorsName = $suffixInterceptors->getName(); 61 $params = []; 62 63 foreach ($method->getParameters() as $parameter) { 64 $parameterName = $parameter->getName(); 65 $params[] = var_export($parameterName, true) . ' => $' . $parameter->getName(); 66 } 67 68 $paramsString = 'array(' . implode(', ', $params) . ')'; 69 70 return "if (isset(\$this->$prefixInterceptorsName" . "[$name])) {\n" 71 . " \$returnEarly = false;\n" 72 . " \$prefixReturnValue = \$this->$prefixInterceptorsName" . "[$name]->__invoke(" 73 . "\$this, \$this->$valueHolderName, $name, $paramsString, \$returnEarly);\n\n" 74 . " if (\$returnEarly) {\n" 75 . ' ' . ProxiedMethodReturnExpression::generate('$prefixReturnValue', $originalMethod) . "\n" 76 . " }\n" 77 . "}\n\n" 78 . $methodBody . "\n\n" 79 . "if (isset(\$this->$suffixInterceptorsName" . "[$name])) {\n" 80 . " \$returnEarly = false;\n" 81 . " \$suffixReturnValue = \$this->$suffixInterceptorsName" . "[$name]->__invoke(" 82 . "\$this, \$this->$valueHolderName, $name, $paramsString, \$returnValue, \$returnEarly);\n\n" 83 . " if (\$returnEarly) {\n" 84 . ' ' . ProxiedMethodReturnExpression::generate('$suffixReturnValue', $originalMethod) . "\n" 85 . " }\n" 86 . "}\n\n" 87 . ProxiedMethodReturnExpression::generate('$returnValue', $originalMethod); 88 } 89 }
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Generated: Wed Nov 11 20:28:18 2020 | Cross-referenced by PHPXref 0.7.1 |