--- /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\Context\Annotation;
+
+use Behat\Behat\Context\Annotation\AnnotationReader;
+use Behat\Behat\Transformation\Transformation\PatternTransformation;
+use Behat\Behat\Transformation\Transformation;
+use ReflectionMethod;
+
+/**
+ * Step transformation annotation reader.
+ *
+ * Reads step transformations from a context method annotation.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class TransformationAnnotationReader implements AnnotationReader
+{
+ /**
+ * @var string
+ */
+ private static $regex = '/^\@transform\s*+(.*+)$/i';
+
+ /**
+ * Loads step callees (if exist) associated with specific method.
+ *
+ * @param string $contextClass
+ * @param ReflectionMethod $method
+ * @param string $docLine
+ * @param string $description
+ *
+ * @return null|Transformation
+ */
+ public function readCallee($contextClass, ReflectionMethod $method, $docLine, $description)
+ {
+ if (!preg_match(self::$regex, $docLine, $match)) {
+ return null;
+ }
+
+ $pattern = $match[1];
+ $callable = array($contextClass, $method->getName());
+
+ foreach ($this->simpleTransformations() as $transformation) {
+ if ($transformation::supportsPatternAndMethod($pattern, $method)) {
+ return new $transformation($pattern, $callable, $description);
+ }
+ }
+
+ return new PatternTransformation($pattern, $callable, $description);
+ }
+
+ /**
+ * Returns list of default transformations.
+ *
+ * @return array
+ */
+ private function simpleTransformations()
+ {
+ $transformations = array();
+ $transformations[] = 'Behat\Behat\Transformation\Transformation\RowBasedTableTransformation';
+ $transformations[] = 'Behat\Behat\Transformation\Transformation\ColumnBasedTableTransformation';
+ $transformations[] = 'Behat\Behat\Transformation\Transformation\TableRowTransformation';
+
+ if (PHP_VERSION_ID >= 70000) {
+ $transformations[] = 'Behat\Behat\Transformation\Transformation\TokenNameAndReturnTypeTransformation';
+ $transformations[] = 'Behat\Behat\Transformation\Transformation\ReturnTypeTransformation';
+ }
+
+ $transformations[] = 'Behat\Behat\Transformation\Transformation\TokenNameTransformation';
+
+ return $transformations;
+ }
+}