--- /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\Filter;
+
+use Behat\Gherkin\Node\FeatureNode;
+
+/**
+ * Abstract filter class.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+abstract class ComplexFilter implements ComplexFilterInterface
+{
+ /**
+ * Filters feature according to the filter.
+ *
+ * @param FeatureNode $feature
+ *
+ * @return FeatureNode
+ */
+ public function filterFeature(FeatureNode $feature)
+ {
+ $scenarios = array();
+ foreach ($feature->getScenarios() as $scenario) {
+ if (!$this->isScenarioMatch($feature, $scenario)) {
+ continue;
+ }
+
+ $scenarios[] = $scenario;
+ }
+
+ return new FeatureNode(
+ $feature->getTitle(),
+ $feature->getDescription(),
+ $feature->getTags(),
+ $feature->getBackground(),
+ $scenarios,
+ $feature->getKeyword(),
+ $feature->getLanguage(),
+ $feature->getFile(),
+ $feature->getLine()
+ );
+ }
+}