+++ /dev/null
-<?php
-
-/*
- * This file is part of the Behat.
- * (c) Konstantin Kudryashov <ever.zet@gmail.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Behat\Behat\Transformation\Transformation;
-
-use Behat\Behat\Definition\Call\DefinitionCall;
-use Behat\Behat\Transformation\Call\TransformationCall;
-use Behat\Behat\Transformation\SimpleArgumentTransformation;
-use Behat\Testwork\Call\CallCenter;
-use Behat\Testwork\Call\RuntimeCallee;
-use Closure;
-use ReflectionFunctionAbstract;
-use ReflectionMethod;
-use ReflectionParameter;
-
-/**
- * By-type object transformation.
- *
- * @author Konstantin Kudryashov <ever.zet@gmail.com>
- */
-final class ReturnTypeTransformation extends RuntimeCallee implements SimpleArgumentTransformation
-{
-
- /**
- * {@inheritdoc}
- */
- static public function supportsPatternAndMethod($pattern, ReflectionMethod $method)
- {
- $returnClass = self::getReturnClass($method);
-
- if (null === $returnClass) {
- return false;
- }
-
- return '' === $pattern;
- }
-
- /**
- * Initializes transformation.
- *
- * @param string $pattern
- * @param callable $callable
- * @param null|string $description
- */
- public function __construct($pattern, $callable, $description = null)
- {
- parent::__construct($callable, $description);
- }
-
- /**
- * {@inheritdoc}
- */
- public function supportsDefinitionAndArgument(DefinitionCall $definitionCall, $argumentIndex, $argumentValue)
- {
- $returnClass = self::getReturnClass($this->getReflection());
-
- if (null === $returnClass) {
- return false;
- }
-
- $parameterClass = $this->getParameterClassNameByIndex($definitionCall, $argumentIndex);
-
- return $parameterClass === $returnClass;
- }
-
- /**
- * {@inheritdoc}
- */
- public function transformArgument(CallCenter $callCenter, DefinitionCall $definitionCall, $argumentIndex, $argumentValue)
- {
- $call = new TransformationCall(
- $definitionCall->getEnvironment(),
- $definitionCall->getCallee(),
- $this,
- array($argumentValue)
- );
-
- $result = $callCenter->makeCall($call);
-
- if ($result->hasException()) {
- throw $result->getException();
- }
-
- return $result->getReturn();
- }
-
- /**
- * {@inheritdoc}
- */
- public function getPriority()
- {
- return 80;
- }
-
- /**
- * {@inheritdoc}
- */
- public function getPattern()
- {
- return null;
- }
-
- /**
- * {@inheritdoc}
- */
- public function __toString()
- {
- return 'ReturnTypeTransform';
- }
-
- /**
- * Extracts parameters from provided definition call.
- *
- * @param ReflectionFunctionAbstract $reflection
- *
- * @return null|string
- */
- static private function getReturnClass(ReflectionFunctionAbstract $reflection)
- {
- $type = $reflection->getReturnType();
-
- if (null === $type || $type->isBuiltin()) {
- return null;
- }
-
- return (string) $type;
- }
-
- /**
- * Attempts to get definition parameter using its index (parameter position or name).
- *
- * @param DefinitionCall $definitionCall
- * @param string|integer $argumentIndex
- *
- * @return null|string
- */
- private function getParameterClassNameByIndex(DefinitionCall $definitionCall, $argumentIndex)
- {
- $parameters = array_filter(
- array_filter($this->getCallParameters($definitionCall),
- $this->hasIndex($argumentIndex)
- ),
- $this->isClass()
- );
- return count($parameters) ? current($parameters)->getClass()->getName() : null;
- }
-
- /**
- * Extracts parameters from provided definition call.
- *
- * @param DefinitionCall $definitionCall
- *
- * @return ReflectionParameter[]
- */
- private function getCallParameters(DefinitionCall $definitionCall)
- {
- return $definitionCall->getCallee()->getReflection()->getParameters();
- }
-
- /**
- * Returns appropriate closure for filtering parameter by index.
- *
- * @param string|integer $index
- *
- * @return Closure
- */
- private function hasIndex($index)
- {
- return is_string($index) ? $this->hasName($index) : $this->hasPosition($index);
- }
-
- /**
- * Returns closure to filter parameter by name.
- *
- * @param string $index
- *
- * @return Closure
- */
- private function hasName($index)
- {
- return function (ReflectionParameter $parameter) use ($index) {
- return $index === $parameter->getName();
- };
- }
-
- /**
- * Returns closure to filter parameter by position.
- *
- * @param integer $index
- *
- * @return Closure
- */
- private function hasPosition($index)
- {
- return function (ReflectionParameter $parameter) use ($index) {
- return $index === $parameter->getPosition();
- };
- }
-
- /**
- * Returns closure to filter parameter by typehinted class.
- *
- * @return Closure
- */
- private function isClass()
- {
- return function (ReflectionParameter $parameter) {
- return $parameter->getClass();
- };
- }
-}