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