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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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namespace ProxyManager\ProxyGenerator\ValueHolder\MethodGenerator; |
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use ProxyManager\Generator\MethodGenerator; |
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use ProxyManager\ProxyGenerator\Util\Properties; |
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use ProxyManager\ProxyGenerator\Util\UnsetPropertiesGenerator; |
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use ReflectionClass; |
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use Zend\Code\Generator\ParameterGenerator; |
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use Zend\Code\Generator\PropertyGenerator; |
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use Zend\Code\Reflection\MethodReflection; |
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/** |
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* The `__construct` implementation for lazy loading proxies |
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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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class Constructor extends MethodGenerator |
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{ |
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/** |
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* Constructor |
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* |
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* @param ReflectionClass $originalClass |
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* @param PropertyGenerator $valueHolder |
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* |
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* @return MethodGenerator |
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*/ |
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public static function generateMethod(ReflectionClass $originalClass, PropertyGenerator $valueHolder) |
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{ |
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$originalConstructor = self::getConstructor($originalClass); |
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$constructor = $originalConstructor |
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? self::fromReflection($originalConstructor) |
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: new self('__construct'); |
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$constructor->setDocblock('{@inheritDoc}'); |
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$constructor->setBody( |
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'static $reflection;' . "\n\n" |
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. 'if (! $this->' . $valueHolder->getName() . ') {' . "\n" |
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. ' $reflection = $reflection ?: new \ReflectionClass(' |
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. var_export($originalClass->getName(), true) |
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. ");\n" |
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. ' $this->' . $valueHolder->getName() . ' = $reflection->newInstanceWithoutConstructor();' . "\n" |
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. UnsetPropertiesGenerator::generateSnippet(Properties::fromReflectionClass($originalClass), 'this') |
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. "}" |
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. self::generateOriginalConstructorCall($originalClass, $valueHolder) |
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); |
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return $constructor; |
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} |
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private static function generateOriginalConstructorCall( |
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ReflectionClass $class, |
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PropertyGenerator $valueHolder |
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) : string { |
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$originalConstructor = self::getConstructor($class); |
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if (! $originalConstructor) { |
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return ''; |
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} |
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$constructor = self::fromReflection($originalConstructor); |
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return "\n\n" |
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. '$this->' . $valueHolder->getName() . '->' . $constructor->getName() . '(' |
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. implode( |
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', ', |
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array_map( |
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function (ParameterGenerator $parameter) { |
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return ($parameter->getVariadic() ? '...' : '') . '$' . $parameter->getName(); |
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}, |
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$constructor->getParameters() |
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) |
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) |
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. ');'; |
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} |
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/** |
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* @param ReflectionClass $class |
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* |
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* @return MethodReflection|null |
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*/ |
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private static function getConstructor(ReflectionClass $class) |
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{ |
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$constructors = array_map( |
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function (\ReflectionMethod $method) { |
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return new MethodReflection( |
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$method->getDeclaringClass()->getName(), |
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$method->getName() |
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); |
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}, |
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array_filter( |
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$class->getMethods(), |
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function (\ReflectionMethod $method) { |
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return $method->isConstructor(); |
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} |
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) |
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); |
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return reset($constructors) ?: null; |
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} |
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} |
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Ocramius /
ProxyManager
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