src/location/qlocationutils_p.h
changeset 0 876b1a06bc25
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/location/qlocationutils_p.h	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QLOCATIONUTILS_P_H
+#define QLOCATIONUTILS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qmobilityglobal.h"
+
+QT_BEGIN_NAMESPACE
+class QTime;
+class QByteArray;
+QT_END_NAMESPACE
+
+QTM_BEGIN_NAMESPACE
+
+class QGeoPositionInfo;
+class QLocationUtils
+{
+public:
+    inline static bool isValidLat(double lat) {
+        return lat >= -90 && lat <= 90;
+    }
+    inline static bool isValidLong(double lng) {
+        return lng >= -180 && lng <= 180;
+    }
+
+    /*
+        Creates a QGeoPositionInfo from a GGA, GLL, RMC, VTG or ZDA sentence.
+
+        Note:
+        - GGA and GLL sentences have time but not date so the update's
+          QDateTime object will have an invalid date.
+        - RMC reports date with a two-digit year so in this case the year
+          is assumed to be after the year 2000.
+    */
+    Q_AUTOTEST_EXPORT static bool getPosInfoFromNmea(const char *data, int size, QGeoPositionInfo *info, bool *hasFix = 0);
+
+    /*
+        Returns true if the given NMEA sentence has a valid checksum.
+    */
+    Q_AUTOTEST_EXPORT static bool hasValidNmeaChecksum(const char *data, int size);
+
+    /*
+        Returns time from a string in hhmmss or hhmmss.z+ format.
+    */
+    Q_AUTOTEST_EXPORT static bool getNmeaTime(const QByteArray &bytes, QTime *time);
+
+    /*
+        Accepts e.g. ("2734.7964", 'S', "15306.0124", 'E') and returns the
+        lat-long values. Fails if lat or long fail isValidLat() or isValidLong().
+    */
+    Q_AUTOTEST_EXPORT static bool getNmeaLatLong(const QByteArray &latString, char latDirection, const QByteArray &lngString, char lngDirection, double *lat, double *lon);
+
+};
+
+QTM_END_NAMESPACE
+
+#endif