First git commit

src/Questionnaire/Parser/ParserInterface.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Questionnaire\Parser;
+
+use Symfony\Component\Console\Output\OutputInterface;
+
+interface ParserInterface
+{
+    /**
+     * Parses data into given output.
+     */
+    public function stream(OutputInterface $output);
+
+    /**
+     * Captures the stream output into a string buffer.
+     *
+     * @return string
+     */
+    public function capture();
+
+    /**
+     * Writes the stream output into given file.
+     *
+     * @param string $file
+     */
+    public function save($file);
+}