Issue #77 Move class to sampleblackmiscsim because it is only used there

samples/blackmiscsim/sampleutils.cpp

@@ -0,0 +1,48 @@
+/* Copyright (C) 2013
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
+ * or distributed except according to the terms contained in the LICENSE file.
+ */
+
+#include "sampleutils.h"
+
+#include <QString>
+#include <QStringList>
+#include <QTextStream>
+#include <QtGlobal>
+
+namespace BlackMisc
+{
+    QString CSampleUtils::selectDirectory(const QStringList &directoryOptions, QTextStream &streamOut, QTextStream &streamIn)
+    {
+        Q_ASSERT(!directoryOptions.isEmpty());
+        if (directoryOptions.isEmpty()) { return {}; }
+        if (directoryOptions.size() < 2) { return directoryOptions.first(); }
+
+        QString selectedDir;
+        do
+        {
+            for (int i = 0; i < directoryOptions.size(); i++)
+            {
+                if (i > 0) { streamOut << "  "; }
+                streamOut << (i + 1) << ") " << directoryOptions.at(i) ;
+            }
+            streamOut << Qt::endl;
+            streamOut << "Select [1-" << directoryOptions.size() << "]: ";
+            streamOut.flush();
+
+            QString input = streamIn.readLine();
+            bool ok;
+            int s = input.trimmed().toInt(&ok);
+            if (ok && s > 0 && s <= directoryOptions.size())
+            {
+                selectedDir = directoryOptions.at(s - 1);
+                break;
+            }
+        }
+        while (true);
+        return selectedDir;
+    }
+}