Essai au propre
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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\Generator;
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use ReflectionException;
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use Zend\Code\Generator\ParameterGenerator as ZendParameterGenerator;
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use Zend\Code\Generator\ValueGenerator;
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use Zend\Code\Reflection\ParameterReflection;
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/**
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* Parameter generator that ensures that the parameter type is a FQCN when it is a class
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*
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* @author Marco Pivetta <ocramius@gmail.com>
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* @license MIT
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*/
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class ParameterGenerator extends ZendParameterGenerator
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{
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/**
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* @override - uses `static` to instantiate the parameter
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*
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* {@inheritDoc}
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*/
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public static function fromReflection(ParameterReflection $reflectionParameter)
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{
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/* @var $param self */
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$param = new static();
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$param->setName($reflectionParameter->getName());
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$param->setPosition($reflectionParameter->getPosition());
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$type = self::extractParameterType($reflectionParameter);
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if (null !== $type) {
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$param->setType($type);
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}
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self::setOptionalParameter($param, $reflectionParameter);
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$param->setPassedByReference($reflectionParameter->isPassedByReference());
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return $param;
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}
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/**
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* Retrieves the type of a reflection parameter (null if none is found)
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*
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* @param ParameterReflection $reflectionParameter
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*
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* @return string|null
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*/
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private static function extractParameterType(ParameterReflection $reflectionParameter)
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{
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if ($reflectionParameter->isArray()) {
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return 'array';
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}
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if (method_exists($reflectionParameter, 'isCallable') && $reflectionParameter->isCallable()) {
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return 'callable';
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}
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if ($typeClass = $reflectionParameter->getClass()) {
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return $typeClass->getName();
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}
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return null;
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}
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/**
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* @return string
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*/
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public function generate()
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{
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return $this->getGeneratedType()
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. (true === $this->passedByReference ? '&' : '')
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. '$' . $this->name
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. $this->generateDefaultValue();
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}
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/**
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* @return string
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*/
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private function generateDefaultValue()
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{
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if (null === $this->defaultValue) {
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return '';
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}
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$defaultValue = $this->defaultValue instanceof ValueGenerator
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? $this->defaultValue
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: new ValueGenerator($this->defaultValue);
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$defaultValue->setOutputMode(ValueGenerator::OUTPUT_SINGLE_LINE);
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return ' = ' . $defaultValue;
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}
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/**
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* Retrieves the generated parameter type
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*
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* @return string
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*/
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private function getGeneratedType()
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{
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if (! $this->type || in_array($this->type, static::$simple)) {
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return '';
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}
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if ('array' === $this->type || 'callable' === $this->type) {
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return $this->type . ' ';
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}
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return '\\' . trim($this->type, '\\') . ' ';
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}
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/**
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* Set the default value for a parameter (if it is optional)
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*
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* @param ZendParameterGenerator $parameterGenerator
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* @param ParameterReflection $reflectionParameter
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*/
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private static function setOptionalParameter(
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ZendParameterGenerator $parameterGenerator,
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ParameterReflection $reflectionParameter
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) {
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if ($reflectionParameter->isOptional()) {
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try {
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$parameterGenerator->setDefaultValue($reflectionParameter->getDefaultValue());
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} catch (ReflectionException $e) {
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$parameterGenerator->setDefaultValue(null);
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}
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}
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}
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}
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