--- /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\Gherkin\Cli;
+
+use Behat\Gherkin\Keywords\KeywordsDumper;
+use Behat\Testwork\Cli\Controller;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Formatter\OutputFormatterStyle;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Translation\TranslatorInterface;
+
+/**
+ * Prints example of the feature to present all available syntax keywords.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+final class SyntaxController implements Controller
+{
+ /**
+ * @var KeywordsDumper
+ */
+ private $keywordsDumper;
+ /**
+ * @var TranslatorInterface
+ */
+ private $translator;
+
+ /**
+ * Initializes controller.
+ *
+ * @param KeywordsDumper $dumper
+ * @param TranslatorInterface $translator
+ */
+ public function __construct(KeywordsDumper $dumper, TranslatorInterface $translator)
+ {
+ $dumper->setKeywordsDumperFunction(array($this, 'dumpKeywords'));
+ $this->keywordsDumper = $dumper;
+ $this->translator = $translator;
+ }
+
+ /**
+ * Configures command to be executable by the controller.
+ *
+ * @param Command $command
+ */
+ public function configure(Command $command)
+ {
+ $command
+ ->addOption(
+ '--story-syntax', null, InputOption::VALUE_NONE,
+ "Print <comment>*.feature</comment> example." . PHP_EOL .
+ "Use <info>--lang</info> to see specific language."
+ );
+ }
+
+ /**
+ * Executes controller.
+ *
+ * @param InputInterface $input
+ * @param OutputInterface $output
+ *
+ * @return null|integer
+ */
+ public function execute(InputInterface $input, OutputInterface $output)
+ {
+ if (!$input->getOption('story-syntax')) {
+ return null;
+ }
+
+ $output->getFormatter()->setStyle('gherkin_keyword', new OutputFormatterStyle('green', null, array('bold')));
+ $output->getFormatter()->setStyle('gherkin_comment', new OutputFormatterStyle('yellow'));
+
+ $story = $this->keywordsDumper->dump($this->translator->getLocale());
+ $story = preg_replace('/^\#.*/', '<gherkin_comment>$0</gherkin_comment>', $story);
+ $output->writeln($story);
+ $output->writeln('');
+
+ return 0;
+ }
+
+ /**
+ * Keywords dumper.
+ *
+ * @param array $keywords keywords list
+ *
+ * @return string
+ */
+ public function dumpKeywords(array $keywords)
+ {
+ $dump = '<gherkin_keyword>' . implode('</gherkin_keyword>|<gherkin_keyword>', $keywords) . '</gherkin_keyword>';
+
+ if (1 < count($keywords)) {
+ return '[' . $dump . ']';
+ }
+
+ return $dump;
+ }
+}