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124 lines
3.7 KiB
124 lines
3.7 KiB
15 years ago
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/***************************************************************************
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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 <kglobal.h>
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#include <klocale.h>
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#include <krfcdate.h>
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#include <qdatetime.h>
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#include <qregexp.h>
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#include <qstringlist.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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QString theWeather;
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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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QStringList qsCoverList;
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QStringList qsCurrentList;
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QDate qsDate;
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QString qsPressure;
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QString qsTemperature;
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QString qsDewPoint;
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QString qsRelHumidity;
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QTime qsTime;
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QString qsVisibility;
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QString qsWindSpeed;
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QString qsWindChill;
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QString qsHeatIndex;
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QString qsWindDirection;
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QString 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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KLocale::MeasureSystem units = KLocale::Imperial,
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QDate date = QDate::currentDate(),
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QTime time = QTime::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 QString &stationID, const QString &metar);
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private:
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bool parseCover(const QString &s);
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bool parseCurrent(const QString &s);
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bool parseTemperature(const QString &s);
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bool parseTemperatureTenths(const QString &s);
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void calcTemperatureVariables();
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void removeTrailingDotZero(QString &string);
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bool parseDate(const QString &s);
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bool parseTime(const QString &s);
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bool parseVisibility(QStringList::ConstIterator it);
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bool parsePressure( const QString &s );
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QString parseWindDirection(const unsigned int direction);
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bool parseWindSpeed(const QString &s);
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bool parseStationNeedsMaintenance(const QString &s);
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void calcCurrentIcon();
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void calcWindChill();
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bool isNight(const QString &stationID) const;
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QString iconName( const QString &icon ) const;
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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 KLocale::MeasureSystem m_units;
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const QDate m_date;
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const QTime m_time;
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const unsigned int m_localUTCOffset;
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struct WeatherInfo weatherInfo;
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QRegExp CoverRegExp;
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QRegExp CurrentRegExp;
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QRegExp WindRegExp;
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QRegExp VisRegExp;
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QRegExp VisFracRegExp;
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QRegExp TempRegExp;
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QRegExp TimeRegExp;
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QRegExp DateRegExp;
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QRegExp PressRegExp;
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QRegExp TempTenRegExp;
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};
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#endif
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