src/r_recur_base.h

   1 ///
   2 /// \file       r_recur_base.h
   3 ///             Base class for recurring calendar event data.
   4 ///
   5
   6 /*
   7     Copyright (C) 2005-2010, Net Direct Inc. (http://www.netdirect.ca/)
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17
  18     See the GNU General Public License in the COPYING file at the
  19     root directory of this project for more details.
  20 */
  21
  22 #ifndef __BARRY_RECORD_RECUR_BASE_H__
  23 #define __BARRY_RECORD_RECUR_BASE_H__
  24
  25 #include "dll.h"
  26 #include "record.h"
  27 #include <iosfwd>
  28 #include <string>
  29 #include <vector>
  30 #include <map>
  31 #include <stdint.h>
  32
  33 namespace Barry {
  34
  35 // forward declarations
  36 class IConverter;
  37
  38 //
  39 // NOTE:  All classes here must be container-safe!  Perhaps add sorting
  40 //        operators in the future.
  41 //
  42
  43 class BXEXPORT RecurBase
  44 {
  45 public:
  46         ///
  47         /// Recurring data
  48         ///
  49         /// Note: interval can be used on all of these recurring types to
  50         ///       make it happen "every other time" or more, etc.
  51         ///
  52         enum RecurringCodeType {
  53                 Day = 1,                //< eg. every day
  54                                         //< set: nothing
  55                 MonthByDate = 3,        //< eg. every month on the 12th
  56                                         //< set: DayOfMonth
  57                 MonthByDay = 4,         //< eg. every month on 3rd Wed
  58                                         //< set: DayOfWeek and WeekOfMonth
  59                 YearByDate = 5,         //< eg. every year on March 5
  60                                         //< set: DayOfMonth and MonthOfYear
  61                 YearByDay = 6,          //< eg. every year on 3rd Wed of Jan
  62                                         //< set: DayOfWeek, WeekOfMonth, and
  63                                         //<      MonthOfYear
  64                 Week = 12               //< eg. every week on Mon and Fri
  65                                         //< set: WeekDays
  66         };
  67
  68
  69         bool Recurring;
  70         RecurringCodeType RecurringType;
  71         unsigned short Interval;        // must be >= 1
  72         time_t RecurringEndTime;        // only pertains if Recurring is true
  73                                         // sets the date and time when
  74                                         // recurrence of this appointment
  75                                         // should no longer occur
  76                                         // If a perpetual appointment, this
  77                                         // is 0xFFFFFFFF in the low level data
  78                                         // Instead, set the following flag.
  79         bool Perpetual;                 // if true, this will always recur
  80
  81         unsigned short                  // recurring details, depending on type
  82                 DayOfWeek,              // 0-6
  83                 WeekOfMonth,            // 1-5
  84                 DayOfMonth,             // 1-31
  85                 MonthOfYear;            // 1-12
  86         unsigned char WeekDays;         // bitmask, bit 0 = sunday
  87
  88 // FIXME - put these somewhere usable by both C and C++
  89                 #define CAL_WD_SUN      0x01
  90                 #define CAL_WD_MON      0x02
  91                 #define CAL_WD_TUE      0x04
  92                 #define CAL_WD_WED      0x08
  93                 #define CAL_WD_THU      0x10
  94                 #define CAL_WD_FRI      0x20
  95                 #define CAL_WD_SAT      0x40
  96
  97 protected:
  98         void ParseRecurrenceData(const void *data);
  99         static unsigned char WeekDayProto2Rec(uint8_t raw_field);
 100         static uint8_t WeekDayRec2Proto(unsigned char weekdays);
 101
 102 protected:
 103         RecurBase();
 104         virtual ~RecurBase();
 105
 106 public:
 107         // return true if parse, false if not (for example, if type not
 108         // recognized)
 109         bool ParseField(uint8_t type, const unsigned char *data, size_t size,
 110                 const IConverter *ic = 0);
 111         void BuildRecurrenceData(time_t StartTime, void *data) const;
 112
 113         uint8_t RecurringFieldType() const;
 114
 115         void Clear();
 116
 117         void Dump(std::ostream &os) const;
 118 };
 119
 120 BXEXPORT inline std::ostream& operator<<(std::ostream &os, const RecurBase &msg) {
 121         msg.Dump(os);
 122         return os;
 123 }
 124
 125 } // namespace Barry
 126
 127 #endif
 128