00001 /* 00002 * Fimex 00003 * 00004 * (C) Copyright 2008, met.no 00005 * 00006 * Project Info: https://wiki.met.no/fimex/start 00007 * 00008 * This library is free software; you can redistribute it and/or modify it 00009 * under the terms of the GNU Lesser General Public License as published by 00010 * the Free Software Foundation; either version 2.1 of the License, or 00011 * (at your option) any later version. 00012 * 00013 * This library is distributed in the hope that it will be useful, but 00014 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 00015 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00016 * License for more details. 00017 * 00018 * You should have received a copy of the GNU Lesser General Public 00019 * License along with this library; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 00021 * USA. 00022 */ 00023 00024 #ifndef UNITS_H_ 00025 #define UNITS_H_ 00026 00027 #include <string> 00028 #include "fimex/CDMException.h" 00029 namespace MetNoFimex 00030 { 00031 00032 class UnitException : public CDMException 00033 { 00034 public: 00035 UnitException() {} 00036 UnitException(std::string message) : CDMException(message) {} 00037 }; 00038 00039 class Units 00040 { 00041 static int counter; 00042 public: 00044 Units(); 00045 Units(const Units& rhs); 00046 Units& operator=(const Units& rhs); 00047 virtual ~Units(); 00055 void convert(const std::string& from, const std::string& to, double& slope, double& offset) throw(UnitException); 00061 bool areConvertible(const std::string& unit1, const std::string& unit2) const throw(UnitException); 00062 bool isTime(const std::string& timeUnit) const throw(UnitException); 00063 }; 00064 00065 void handleUdUnitError(int unitErrCode, const std::string& message = "") throw(UnitException); 00066 00067 } 00068 00069 #endif /*UNITS_H_*/