--- /dev/null
+<?php
+
+/*
+ * This file is part of the Behat Gherkin.
+ * (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\Gherkin\Node;
+
+use Behat\Gherkin\Exception\NodeException;
+
+/**
+ * Represents Gherkin Step.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class StepNode implements NodeInterface
+{
+ /**
+ * @var string
+ */
+ private $keyword;
+ /**
+ * @var string
+ */
+ private $keywordType;
+ /**
+ * @var string
+ */
+ private $text;
+ /**
+ * @var ArgumentInterface[]
+ */
+ private $arguments = array();
+ /**
+ * @var integer
+ */
+ private $line;
+
+ /**
+ * Initializes step.
+ *
+ * @param string $keyword
+ * @param string $text
+ * @param ArgumentInterface[] $arguments
+ * @param integer $line
+ * @param string $keywordType
+ */
+ public function __construct($keyword, $text, array $arguments, $line, $keywordType = null)
+ {
+ if (count($arguments) > 1) {
+ throw new NodeException(sprintf(
+ 'Steps could have only one argument, but `%s %s` have %d.',
+ $keyword,
+ $text,
+ count($arguments)
+ ));
+ }
+
+ $this->keyword = $keyword;
+ $this->text = $text;
+ $this->arguments = $arguments;
+ $this->line = $line;
+ $this->keywordType = $keywordType ?: 'Given';
+ }
+
+ /**
+ * Returns node type string
+ *
+ * @return string
+ */
+ public function getNodeType()
+ {
+ return 'Step';
+ }
+
+ /**
+ * Returns step keyword in provided language (Given, When, Then, etc.).
+ *
+ * @return string
+ *
+ * @deprecated use getKeyword() instead
+ */
+ public function getType()
+ {
+ return $this->getKeyword();
+ }
+
+ /**
+ * Returns step keyword in provided language (Given, When, Then, etc.).
+ *
+ * @return string
+ *
+ */
+ public function getKeyword()
+ {
+ return $this->keyword;
+ }
+
+ /**
+ * Returns step type keyword (Given, When, Then, etc.).
+ *
+ * @return string
+ */
+ public function getKeywordType()
+ {
+ return $this->keywordType;
+ }
+
+ /**
+ * Returns step text.
+ *
+ * @return string
+ */
+ public function getText()
+ {
+ return $this->text;
+ }
+
+ /**
+ * Checks if step has arguments.
+ *
+ * @return Boolean
+ */
+ public function hasArguments()
+ {
+ return 0 < count($this->arguments);
+ }
+
+ /**
+ * Returns step arguments.
+ *
+ * @return ArgumentInterface[]
+ */
+ public function getArguments()
+ {
+ return $this->arguments;
+ }
+
+ /**
+ * Returns step declaration line number.
+ *
+ * @return integer
+ */
+ public function getLine()
+ {
+ return $this->line;
+ }
+}