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// Copyright (C) 1999-2001 Open Source Telecom Corporation. // // 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. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception to the GNU General Public License, permission is // granted for additional uses of the text contained in its release // of Common C++. // // The exception is that, if you link the Common C++ library with other // files to produce an executable, this does not by itself cause the // resulting executable to be covered by the GNU General Public License. // Your use of that executable is in no way restricted on account of // linking the Common C++ library code into it. // // This exception does not however invalidate any other reasons why // the executable file might be covered by the GNU General Public License. // // This exception applies only to the code released under the // name Common C++. If you copy code from other releases into a copy of // Common C++, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for Common C++, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. #ifndef __CCXX_NUMBERS_H__ #define __CCXX_NUMBERS_H__ #ifndef CCXX_CONFIG_H_ #include#endif #ifndef __CCXX_STRCHAR_H__ #include #endif #include #ifdef CCXX_NAMESPACES namespace ost { #ifdef __BORLANDC__ using std::tm; using std::time_t; #endif #endif /** * A number manipulation class. This is used to extract, convert, * and manage simple numbers that are represented in C ascii strings * in a very quick and optimal way. * * @author David Sugar * @short number manipulation. */ class CCXX_CLASS_EXPORT Number { protected: char *buffer; unsigned size; public: /** * Create an instance of a number. * @param size use - values for zero filled. * @param buffer or NULL if created internally. */ Number(char *buffer, unsigned size); void setValue(long value); const char *getBuffer() {return buffer;}; long getValue(); long operator()() {return getValue();}; operator long() {return getValue();}; operator char*() {return buffer;}; long operator=(long value); long operator+=(long value); long operator-=(long value); long operator--(); long operator++(); int operator==(Number &num); int operator!=(Number &num); int operator<(Number &num); int operator<=(Number &num); int operator>(Number &num); int operator>=(Number &num); friend long operator+(Number &num, long val); friend long operator+(long val, Number &num); friend long operator-(Number &num, long val); friend long operator-(long val, Number &num); }; class CCXX_CLASS_EXPORT ZNumber : public Number { public: ZNumber(char *buf, unsigned size); void setValue(long value); long operator=(long value); }; /** * The Date class uses a julian date representation of the current * year, month, and day. This is then manipulated in several forms * and may be exported as needed. * * @author David Sugar * @short julian number based date class. */ class CCXX_CLASS_EXPORT Date { private: long julian; protected: void toJulian(long year, long month, long day); void fromJulian(char *buf); /** * A method to use to "post" any changed values when shadowing * a mixed object class. This is used by DateNumber. */ virtual void Update(void) {return;}; public: Date(time_t tm); Date(tm *dt); Date(char *str, size_t size = 0); Date(int year, unsigned month, unsigned day); Date(); int getYear(void); unsigned getMonth(void); unsigned getDay(void); unsigned getDayOfWeek(void); char *getDate(char *buffer); time_t getDate(void); long getValue(void); tm *getDate(tm *buf); bool is_ok(void); friend Date operator+(Date &date, long val); friend Date operator-(Date &date, long val); friend Date operator+(long val, Date &date); friend Date operator-(long val, Date &date); operator long() {return getValue();}; std::string operator()(); Date& operator++(); Date& operator--(); Date& operator+=(long val); Date& operator-=(long val); int operator==(Date &date); int operator!=(Date &date); int operator<(Date &date); int operator<=(Date &date); int operator>(Date &date); int operator>=(Date &date); bool operator!() {return !is_ok();}; }; /** * A number class that manipulates a string buffer that is also a date. * * @author David Sugar * @short a number that is also a date string. */ class CCXX_CLASS_EXPORT DateNumber : public Number, public Date { protected: void Update(void) {fromJulian(buffer);}; public: DateNumber(char *buffer); }; #ifdef CCXX_NAMESPACES }; #endif #endif /** EMACS ** * Local variables: * mode: c++ * c-basic-offset: 8 * End: */
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