Weather data sample

New sample demonstrating how to use the weatherplugins to get and print
weatherdata around a geo position

refs #556

samples/weatherdata/reader.cpp

@@ -0,0 +1,50 @@
+/* Copyright (C) 2016
+ * 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 and at http://www.swift-project.org/license.html. 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 "reader.h"
+#include <QFile>
+#include <QRegularExpression>
+
+using namespace BlackMisc::Geo;
+using namespace BlackMisc::PhysicalQuantities;
+
+void CLineReader::run()
+{
+    QFile file;
+    file.open(stdin, QIODevice::ReadOnly | QIODevice::Text);
+    QRegularExpression re("^(\\d+).([0,5])\\s(\\d+).([0,5])$");
+    forever
+    {
+        QString line = file.readLine().trimmed();
+
+        if (line == "x")
+        {
+            emit quit();
+            continue;
+        }
+
+        QRegularExpressionMatch match = re.match(line);
+        if (match.hasMatch())
+        {
+            double latitudeValue = match.captured(1).toDouble();
+            latitudeValue += match.captured(2).toDouble() / 10;
+            double longitudeValue = match.captured(3).toDouble();
+            longitudeValue += match.captured(4).toDouble() / 10;
+            const CLatitude latitude(latitudeValue, CAngleUnit::deg());
+            const CLongitude longitude(longitudeValue, CAngleUnit::deg());
+            emit weatherDataRequest(latitude, longitude);
+        }
+        else
+        {
+            QTextStream qtout(stdout);
+            qtout << "Invalid command." << endl;
+            qtout << "Usage: <lat> <lon>" << endl;
+        }
+    }
+}