First approach to implement console UI

UEFIExtract utility will be done soon, the only thing to be done is
actual extractAll code. :)

uefiextract.cpp

@@ -0,0 +1,48 @@
+/* uefiextract.cpp
+
+Copyright (c) 2014, Nikolaj Schlej. All rights reserved.
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+*/
+
+#include "uefiextract.h"
+
+UEFIExtract::UEFIExtract(QObject *parent) :
+    QObject(parent)
+{
+    ffsEngine = new FfsEngine(this);
+}
+
+UEFIExtract::~UEFIExtract()
+{
+    delete ffsEngine;
+}
+
+UINT8 UEFIExtract::extractAll(QString path)
+{
+    QFileInfo fileInfo = QFileInfo(path);
+
+    if (!fileInfo.exists())
+        return ERR_FILE_OPEN;
+
+    QFile inputFile;
+    inputFile.setFileName(path);
+
+    if (!inputFile.open(QFile::ReadOnly))
+        return ERR_FILE_OPEN;
+
+    QByteArray buffer = inputFile.readAll();
+    inputFile.close();
+
+    UINT8 result = ffsEngine->parseImageFile(buffer);
+    if (result)
+        return result;
+
+    return ERR_SUCCESS;
+}