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126 lines
3.8 KiB
126 lines
3.8 KiB
/***************************************************************************
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metar_parser.h - Metar Parser
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-------------------
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begin : Wed June 7 2004
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copyright : (C) 2004 by John Ratke
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email : jratke@comcast.net
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef METAR_PARSER_H
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#define METAR_PARSER_H
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#include <tdeglobal.h>
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#include <tdelocale.h>
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#include <krfcdate.h>
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#include <tqdatetime.h>
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#include <tqregexp.h>
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#include <tqstringlist.h>
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class StationDatabase;
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struct WeatherInfo
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{
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/** The current weather state outside */
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TQString theWeather;
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TQString iconName;
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TQString iconPath;
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int clouds;
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float windMPH;
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float tempC;
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float dewC;
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bool heavy;
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TQStringList qsCoverList;
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TQStringList qsCurrentList;
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TQDate qsDate;
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TQString qsPressure;
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TQString qsTemperature;
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TQString qsDewPoint;
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TQString qsRelHumidity;
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TQTime qsTime;
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TQString qsVisibility;
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TQString qsWindSpeed;
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TQString qsWindChill;
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TQString qsHeatIndex;
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TQString qsWindDirection;
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TQString reportLocation;
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bool stationNeedsMaintenance;
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};
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class MetarParser
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{
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public:
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MetarParser(StationDatabase *stationDB,
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TDELocale::MeasureSystem units = TDELocale::Imperial,
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TQDate date = TQDate::currentDate(),
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TQTime time = TQTime::currentTime(),
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unsigned int localUTCOffset = KRFCDate::localUTCOffset());
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/*
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* Process a METAR string (the second parameter) and return a WeatherInfo struct
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*
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* The first parameter is the station ICAO code, which is needed to match
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* the code present in the METAR string in order to parse the rest of the
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* data correctly. But the station code is also used to lookup the station
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* latitude and longitude to calculate the sunrise and sunset time to see if
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* the day or night icon should be used.
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*/
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struct WeatherInfo processData(const TQString &stationID, const TQString &metar);
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private:
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bool parseCover(const TQString &s);
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bool parseCurrent(const TQString &s);
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bool parseTemperature(const TQString &s);
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bool parseTemperatureTenths(const TQString &s);
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void calcTemperatureVariables();
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void removeTrailingDotZero(TQString &string);
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bool parseDate(const TQString &s);
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bool parseTime(const TQString &s);
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bool parseVisibility(TQStringList::ConstIterator it);
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bool parsePressure( const TQString &s );
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TQString parseWindDirection(const unsigned int direction);
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bool parseWindSpeed(const TQString &s);
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bool parseStationNeedsMaintenance(const TQString &s);
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void calcCurrentIcon();
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void calcWindChill();
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bool isNight(const TQString &stationID) const;
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void saveIconNamePath( int condition, bool night, int strength = 0 );
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/*
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* Reset the internal WeatherInfo struct of the class so that
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* processing can be run again. (processData can be run again)
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*/
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void reset();
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StationDatabase* const m_stationDb;
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const TDELocale::MeasureSystem m_units;
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const TQDate m_date;
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const TQTime m_time;
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const unsigned int m_localUTCOffset;
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struct WeatherInfo weatherInfo;
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TQRegExp CoverRegExp;
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TQRegExp CurrentRegExp;
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TQRegExp WindRegExp;
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TQRegExp VisRegExp;
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TQRegExp VisFracRegExp;
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TQRegExp TempRegExp;
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TQRegExp TimeRegExp;
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TQRegExp DateRegExp;
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TQRegExp PressRegExp;
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TQRegExp TempTenRegExp;
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};
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#endif
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