headers/os/locale/DateFormat.h

   1 /*
   2  * Copyright 2010-2014, Haiku, Inc.
   3  * Distributed under the terms of the MIT Licence.
   4  */
   5 #ifndef _B_DATE_FORMAT_H_
   6 #define _B_DATE_FORMAT_H_
   7
   8
   9 #include <DateTime.h>
  10 #include <DateTimeFormat.h>
  11 #include <Format.h>
  12 #include <FormattingConventions.h>
  13 #include <Language.h>
  14 #include <Locker.h>
  15
  16
  17 #ifndef U_ICU_NAMESPACE
  18   #define U_ICU_NAMESPACE icu
  19 #endif
  20 namespace U_ICU_NAMESPACE {
  21         class DateFormat;
  22 }
  23
  24
  25 class BString;
  26 class BTimeZone;
  27
  28
  29 enum BWeekday {
  30         B_WEEKDAY_MONDAY = 1,
  31         B_WEEKDAY_TUESDAY,
  32         B_WEEKDAY_WEDNESDAY,
  33         B_WEEKDAY_THURSDAY,
  34         B_WEEKDAY_FRIDAY,
  35         B_WEEKDAY_SATURDAY,
  36         B_WEEKDAY_SUNDAY,
  37 };
  38
  39
  40 class BDateFormat: public BFormat {
  41 public:
  42                                                                 BDateFormat(const BLocale* locale = NULL);
  43                                                                 BDateFormat(const BLanguage& language,
  44                                                                         const BFormattingConventions& format);
  45                                                                 BDateFormat(const BDateFormat &other);
  46         virtual                                         ~BDateFormat();
  47
  48                         status_t                        GetDateFormat(BDateFormatStyle style,
  49                                                                         BString& outFormat) const;
  50                         void                            SetDateFormat(BDateFormatStyle style,
  51                                                                         const BString& format);
  52
  53                                                                 // formatting
  54
  55                         ssize_t                         Format(char* string, const size_t maxSize,
  56                                                                         const time_t time,
  57                                                                         const BDateFormatStyle style) const;
  58                         status_t                        Format(BString& string, const time_t time,
  59                                                                         const BDateFormatStyle style,
  60                                                                         const BTimeZone* timeZone = NULL) const;
  61                         status_t                        Format(BString& string, const BDate& time,
  62                                                                         const BDateFormatStyle style,
  63                                                                         const BTimeZone* timeZone = NULL) const;
  64                         status_t                        Format(BString& string,
  65                                                                         int*& fieldPositions, int& fieldCount,
  66                                                                         const time_t time,
  67                                                                         const BDateFormatStyle style) const;
  68
  69                         status_t                        GetFields(BDateElement*& fields,
  70                                                                         int& fieldCount, BDateFormatStyle style
  71                                                                         ) const;
  72
  73                         status_t                        GetStartOfWeek(BWeekday* weekday) const;
  74                         status_t                        GetMonthName(int month, BString& outName,
  75                                                                         const BDateFormatStyle style
  76                                                                         = B_FULL_DATE_FORMAT) const;
  77                         status_t                        GetDayName(int day, BString& outName,
  78                                                                         const BDateFormatStyle style
  79                                                                         = B_FULL_DATE_FORMAT) const;
  80
  81                                                                 // parsing
  82
  83                         status_t                        Parse(BString source, BDateFormatStyle style,
  84                                                                         BDate& output);
  85
  86 private:
  87                         int                                     _ConvertDayNumberToICU(int day) const;
  88
  89                         U_ICU_NAMESPACE::DateFormat*    _CreateDateFormatter(
  90                                                                         const BDateFormatStyle style) const;
  91
  92 };
  93
  94
  95 inline int
  96 BDateFormat::_ConvertDayNumberToICU(int day) const
  97 {
  98         return day == 7 ? 1 : day + 1;
  99 }
 100
 101
 102 #endif  // _B_DATE_FORMAT_H_