--- /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\Definition;
+
+use Behat\Behat\Definition\Exception\RedundantStepException;
+use Behat\Testwork\Environment\Environment;
+use Behat\Testwork\Environment\EnvironmentManager;
+
+/**
+ * Provides step definitions using environment manager.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+final class DefinitionRepository
+{
+ /**
+ * @var EnvironmentManager
+ */
+ private $environmentManager;
+
+ /**
+ * Initializes repository.
+ *
+ * @param EnvironmentManager $environmentManager
+ */
+ public function __construct(EnvironmentManager $environmentManager)
+ {
+ $this->environmentManager = $environmentManager;
+ }
+
+ /**
+ * Returns all available definitions for a specific environment.
+ *
+ * @param Environment $environment
+ *
+ * @return Definition[]
+ *
+ * @throws RedundantStepException
+ */
+ public function getEnvironmentDefinitions(Environment $environment)
+ {
+ $patterns = array();
+ $definitions = array();
+
+ foreach ($this->environmentManager->readEnvironmentCallees($environment) as $callee) {
+ if (!$callee instanceof Definition) {
+ continue;
+ }
+
+ $pattern = $callee->getPattern();
+ if (isset($patterns[$pattern])) {
+ throw new RedundantStepException($callee, $patterns[$pattern]);
+ }
+
+ $patterns[$pattern] = $callee;
+
+ $definitions[] = $callee;
+ }
+
+ return $definitions;
+ }
+}