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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 <qdatetime.h>
#include <qregexp.h>
#include <qstringlist.h>
class StationDatabase;
struct WeatherInfo
{
/** The current weather state outside */
QString theWeather;
int clouds;
float windMPH;
float tempC;
float dewC;
bool heavy;
QStringList qsCoverList;
QStringList qsCurrentList;
QDate qsDate;
QString qsPressure;
QString qsTemperature;
QString qsDewPoint;
QString qsRelHumidity;
QTime qsTime;
QString qsVisibility;
QString qsWindSpeed;
QString qsWindChill;
QString qsHeatIndex;
QString qsWindDirection;
QString reportLocation;
bool stationNeedsMaintenance;
};
class MetarParser
{
public:
MetarParser(StationDatabase *stationDB,
KLocale::MeasureSystem units = KLocale::Imperial,
QDate date = QDate::currentDate(),
QTime time = QTime::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 QString &stationID, const QString &metar);
private:
bool parseCover(const QString &s);
bool parseCurrent(const QString &s);
bool parseTemperature(const QString &s);
bool parseTemperatureTenths(const QString &s);
void calcTemperatureVariables();
void removeTrailingDotZero(QString &string);
bool parseDate(const QString &s);
bool parseTime(const QString &s);
bool parseVisibility(QStringList::ConstIterator it);
bool parsePressure( const QString &s );
QString parseWindDirection(const unsigned int direction);
bool parseWindSpeed(const QString &s);
bool parseStationNeedsMaintenance(const QString &s);
void calcCurrentIcon();
void calcWindChill();
bool isNight(const QString &stationID) const;
QString iconName( const QString &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 QDate m_date;
const QTime m_time;
const unsigned int m_localUTCOffset;
struct WeatherInfo weatherInfo;
QRegExp CoverRegExp;
QRegExp CurrentRegExp;
QRegExp WindRegExp;
QRegExp VisRegExp;
QRegExp VisFracRegExp;
QRegExp TempRegExp;
QRegExp TimeRegExp;
QRegExp DateRegExp;
QRegExp PressRegExp;
QRegExp TempTenRegExp;
};
#endif
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