--- /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\Gherkin\Exception\NodeException;
+use Behat\Gherkin\Node\TableNode;
+use Behat\Testwork\Call\CallCenter;
+use Behat\Testwork\Call\RuntimeCallee;
+use ReflectionMethod;
+
+/**
+ * Row-based table transformation.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+final class RowBasedTableTransformation extends RuntimeCallee implements SimpleArgumentTransformation
+{
+ const PATTERN_REGEX = '/^rowtable\:[[:print:]]+$/';
+
+ /**
+ * @var string
+ */
+ private $pattern;
+
+ /**
+ * {@inheritdoc}
+ */
+ static public function supportsPatternAndMethod($pattern, ReflectionMethod $method)
+ {
+ return 1 === preg_match(self::PATTERN_REGEX, $pattern);
+ }
+
+ /**
+ * Initializes transformation.
+ *
+ * @param string $pattern
+ * @param callable $callable
+ * @param null|string $description
+ */
+ public function __construct($pattern, $callable, $description = null)
+ {
+ $this->pattern = $pattern;
+
+ parent::__construct($callable, $description);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function supportsDefinitionAndArgument(DefinitionCall $definitionCall, $argumentIndex, $value)
+ {
+ if (!$value instanceof TableNode) {
+ return false;
+ };
+
+ // What we're doing here is checking that we have a 2 column table.
+ // This bit checks we have two columns
+ try {
+ $value->getColumn(1);
+ } catch (NodeException $e) {
+ return false;
+ }
+
+ // And here we check we don't have a 3rd column
+ try {
+ $value->getColumn(2);
+ } catch (NodeException $e) {
+ // Once we know the table could be a row table, we check against the pattern.
+ return $this->pattern === 'rowtable:' . implode(',', $value->getColumn(0));
+ }
+
+ return false;
+ }
+
+ /**
+ * {@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 50;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPattern()
+ {
+ return $this->pattern;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function __toString()
+ {
+ return 'RowTableTransform ' . $this->pattern;
+ }
+}