107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
/* -*- Mode: C++ -*- *****************************************************
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* timezone.h
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* Written by Durk Talsma. Started July 1999.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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**************************************************************************/
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/** \file timezone.h
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*
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* Provides SGTimeZone and SGTimeZoneContainer
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*
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*/
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#ifndef _TIMEZONE_H_
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#define _TIMEZONE_H_
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#include <string>
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#include <vector>
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#include <simgear/math/SGMath.hxx>
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#include <simgear/math/SGGeod.hxx>
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/**
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* SGTimeZone stores the timezone centerpoint,
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* as well as the countrycode and the timezone descriptor. The latter is
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* used in order to get the local time.
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*
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*/
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class SGTimeZone
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{
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private:
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SGVec3d centerpoint; // centre of timezone, in cartesian coordinates
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std::string countryCode;
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std::string descriptor;
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public:
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/**
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* Build a timezone object with a specifed latitude, longitude, country
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* code, and descriptor
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* @param pt centerpoint
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* @param cc country code
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* @param desc descriptor
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*/
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SGTimeZone(const SGGeod& pt, char* cc, char* desc);
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/**
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* Build a timezone object from a textline in zone.tab
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* @param infoString the textline from zone.tab
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*/
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SGTimeZone(const char *infoString);
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/**
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* The copy constructor
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* @param other the source object
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*/
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SGTimeZone(const SGTimeZone &other);
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/**
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* Return the descriptor string
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* @return descriptor string (char array)
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*/
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const char * getDescription() { return descriptor.c_str(); };
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const SGVec3d& cartCenterpoint() const
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{
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return centerpoint;
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}
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};
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/**
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* SGTimeZoneContainer
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*/
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class SGTimeZoneContainer
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{
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public:
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SGTimeZoneContainer(const char *filename);
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~SGTimeZoneContainer();
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SGTimeZone* getNearest(const SGGeod& ref) const;
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private:
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typedef std::vector<SGTimeZone*> TZVec;
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TZVec zones;
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};
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#endif // _TIMEZONE_H_
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