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datefmt.h
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1 /*
2  ********************************************************************************
3  * Copyright (C) 1997-2016, International Business Machines
4  * Corporation and others. All Rights Reserved.
5  ********************************************************************************
6  *
7  * File DATEFMT.H
8  *
9  * Modification History:
10  *
11  * Date Name Description
12  * 02/19/97 aliu Converted from java.
13  * 04/01/97 aliu Added support for centuries.
14  * 07/23/98 stephen JDK 1.2 sync
15  * 11/15/99 weiv Added support for week of year/day of week formatting
16  ********************************************************************************
17  */
18 
19 #ifndef DATEFMT_H
20 #define DATEFMT_H
21 
22 #include "unicode/utypes.h"
23 
24 #if !UCONFIG_NO_FORMATTING
25 
26 #include "unicode/udat.h"
27 #include "unicode/calendar.h"
28 #include "unicode/numfmt.h"
29 #include "unicode/format.h"
30 #include "unicode/locid.h"
31 #include "unicode/enumset.h"
32 #include "unicode/udisplaycontext.h"
33 
39 U_NAMESPACE_BEGIN
40 
41 class TimeZone;
42 class DateTimePatternGenerator;
43 
44 // explicit template instantiation. see digitlst.h
45 #if defined (_MSC_VER)
46 template class U_I18N_API EnumSet<UDateFormatBooleanAttribute,
47  0,
48  UDAT_BOOLEAN_ATTRIBUTE_COUNT>;
49 #endif
50 
147 class U_I18N_API DateFormat : public Format {
148 public:
149 
157  enum EStyle
158  {
159  kNone = -1,
160 
161  kFull = 0,
162  kLong = 1,
163  kMedium = 2,
164  kShort = 3,
165 
166  kDateOffset = kShort + 1,
167  // kFull + kDateOffset = 4
168  // kLong + kDateOffset = 5
169  // kMedium + kDateOffset = 6
170  // kShort + kDateOffset = 7
171 
172  kDateTime = 8,
173  // Default DateTime
174 
175  kDateTimeOffset = kDateTime + 1,
176  // kFull + kDateTimeOffset = 9
177  // kLong + kDateTimeOffset = 10
178  // kMedium + kDateTimeOffset = 11
179  // kShort + kDateTimeOffset = 12
180 
181  // relative dates
182  kRelative = (1 << 7),
183 
184  kFullRelative = (kFull | kRelative),
185 
186  kLongRelative = kLong | kRelative,
187 
188  kMediumRelative = kMedium | kRelative,
189 
190  kShortRelative = kShort | kRelative,
191 
192 
193  kDefault = kMedium,
194 
195 
196 
201  FULL = kFull,
202  LONG = kLong,
203  MEDIUM = kMedium,
204  SHORT = kShort,
205  DEFAULT = kDefault,
206  DATE_OFFSET = kDateOffset,
207  NONE = kNone,
208  DATE_TIME = kDateTime
209  };
210 
215  virtual ~DateFormat();
216 
221  virtual UBool operator==(const Format&) const;
222 
223 
224  using Format::format;
225 
240  virtual UnicodeString& format(const Formattable& obj,
241  UnicodeString& appendTo,
242  FieldPosition& pos,
243  UErrorCode& status) const;
244 
260  virtual UnicodeString& format(const Formattable& obj,
261  UnicodeString& appendTo,
262  FieldPositionIterator* posIter,
263  UErrorCode& status) const;
297  virtual UnicodeString& format( Calendar& cal,
298  UnicodeString& appendTo,
299  FieldPosition& fieldPosition) const = 0;
300 
319  virtual UnicodeString& format(Calendar& cal,
320  UnicodeString& appendTo,
321  FieldPositionIterator* posIter,
322  UErrorCode& status) const;
350  UnicodeString& format( UDate date,
351  UnicodeString& appendTo,
352  FieldPosition& fieldPosition) const;
353 
367  UnicodeString& format(UDate date,
368  UnicodeString& appendTo,
369  FieldPositionIterator* posIter,
370  UErrorCode& status) const;
382  UnicodeString& format(UDate date, UnicodeString& appendTo) const;
383 
418  virtual UDate parse( const UnicodeString& text,
419  UErrorCode& status) const;
420 
447  virtual void parse( const UnicodeString& text,
448  Calendar& cal,
449  ParsePosition& pos) const = 0;
450 
481  UDate parse( const UnicodeString& text,
482  ParsePosition& pos) const;
483 
507  virtual void parseObject(const UnicodeString& source,
508  Formattable& result,
509  ParsePosition& parse_pos) const;
510 
518  static DateFormat* U_EXPORT2 createInstance(void);
519 
531  static DateFormat* U_EXPORT2 createTimeInstance(EStyle style = kDefault,
532  const Locale& aLocale = Locale::getDefault());
533 
549  static DateFormat* U_EXPORT2 createDateInstance(EStyle style = kDefault,
550  const Locale& aLocale = Locale::getDefault());
551 
570  static DateFormat* U_EXPORT2 createDateTimeInstance(EStyle dateStyle = kDefault,
571  EStyle timeStyle = kDefault,
572  const Locale& aLocale = Locale::getDefault());
573 
574 #ifndef U_HIDE_INTERNAL_API
575 
583  static UnicodeString getBestPattern(
584  const Locale &locale,
585  const UnicodeString &skeleton,
586  UErrorCode &status);
587 #endif /* U_HIDE_INTERNAL_API */
588 
602  static DateFormat* U_EXPORT2 createInstanceForSkeleton(
603  const UnicodeString& skeleton,
604  UErrorCode &status);
605 
619  static DateFormat* U_EXPORT2 createInstanceForSkeleton(
620  const UnicodeString& skeleton,
621  const Locale &locale,
622  UErrorCode &status);
623 
638  static DateFormat* U_EXPORT2 createInstanceForSkeleton(
639  Calendar *calendarToAdopt,
640  const UnicodeString& skeleton,
641  const Locale &locale,
642  UErrorCode &status);
643 
644 
652  static const Locale* U_EXPORT2 getAvailableLocales(int32_t& count);
653 
659  virtual UBool isLenient(void) const;
660 
681  virtual void setLenient(UBool lenient);
682 
683 
688  virtual UBool isCalendarLenient(void) const;
689 
690 
700  virtual void setCalendarLenient(UBool lenient);
701 
702 
711  virtual const Calendar* getCalendar(void) const;
712 
722  virtual void adoptCalendar(Calendar* calendarToAdopt);
723 
731  virtual void setCalendar(const Calendar& newCalendar);
732 
733 
740  virtual const NumberFormat* getNumberFormat(void) const;
741 
748  virtual void adoptNumberFormat(NumberFormat* formatToAdopt);
749 
755  virtual void setNumberFormat(const NumberFormat& newNumberFormat);
756 
762  virtual const TimeZone& getTimeZone(void) const;
763 
770  virtual void adoptTimeZone(TimeZone* zoneToAdopt);
771 
777  virtual void setTimeZone(const TimeZone& zone);
778 
788  virtual void setContext(UDisplayContext value, UErrorCode& status);
789 
800  virtual UDisplayContext getContext(UDisplayContextType type, UErrorCode& status) const;
801 
813  virtual DateFormat& U_EXPORT2 setBooleanAttribute(UDateFormatBooleanAttribute attr,
814  UBool newvalue,
815  UErrorCode &status);
816 
826  virtual UBool U_EXPORT2 getBooleanAttribute(UDateFormatBooleanAttribute attr, UErrorCode &status) const;
827 
828 protected:
835  DateFormat();
836 
841  DateFormat(const DateFormat&);
842 
847  DateFormat& operator=(const DateFormat&);
848 
855  Calendar* fCalendar;
856 
863  NumberFormat* fNumberFormat;
864 
865 
866 private:
867 
876  static DateFormat* U_EXPORT2 create(EStyle timeStyle, EStyle dateStyle, const Locale& inLocale);
877 
878 
882  EnumSet<UDateFormatBooleanAttribute, 0, UDAT_BOOLEAN_ATTRIBUTE_COUNT> fBoolFlags;
883 
884 
885  UDisplayContext fCapitalizationContext;
886  friend class DateFmtKeyByStyle;
887 
888 public:
889 #ifndef U_HIDE_OBSOLETE_API
890 
895  enum EField
896  {
897  // Obsolete; use UDateFormatField instead
898  kEraField = UDAT_ERA_FIELD,
899  kYearField = UDAT_YEAR_FIELD,
900  kMonthField = UDAT_MONTH_FIELD,
901  kDateField = UDAT_DATE_FIELD,
902  kHourOfDay1Field = UDAT_HOUR_OF_DAY1_FIELD,
903  kHourOfDay0Field = UDAT_HOUR_OF_DAY0_FIELD,
904  kMinuteField = UDAT_MINUTE_FIELD,
905  kSecondField = UDAT_SECOND_FIELD,
906  kMillisecondField = UDAT_FRACTIONAL_SECOND_FIELD,
907  kDayOfWeekField = UDAT_DAY_OF_WEEK_FIELD,
908  kDayOfYearField = UDAT_DAY_OF_YEAR_FIELD,
909  kDayOfWeekInMonthField = UDAT_DAY_OF_WEEK_IN_MONTH_FIELD,
910  kWeekOfYearField = UDAT_WEEK_OF_YEAR_FIELD,
911  kWeekOfMonthField = UDAT_WEEK_OF_MONTH_FIELD,
912  kAmPmField = UDAT_AM_PM_FIELD,
913  kHour1Field = UDAT_HOUR1_FIELD,
914  kHour0Field = UDAT_HOUR0_FIELD,
915  kTimezoneField = UDAT_TIMEZONE_FIELD,
916  kYearWOYField = UDAT_YEAR_WOY_FIELD,
917  kDOWLocalField = UDAT_DOW_LOCAL_FIELD,
918  kExtendedYearField = UDAT_EXTENDED_YEAR_FIELD,
919  kJulianDayField = UDAT_JULIAN_DAY_FIELD,
920  kMillisecondsInDayField = UDAT_MILLISECONDS_IN_DAY_FIELD,
921 
922  // Obsolete; use UDateFormatField instead
923  ERA_FIELD = UDAT_ERA_FIELD,
924  YEAR_FIELD = UDAT_YEAR_FIELD,
925  MONTH_FIELD = UDAT_MONTH_FIELD,
926  DATE_FIELD = UDAT_DATE_FIELD,
927  HOUR_OF_DAY1_FIELD = UDAT_HOUR_OF_DAY1_FIELD,
928  HOUR_OF_DAY0_FIELD = UDAT_HOUR_OF_DAY0_FIELD,
929  MINUTE_FIELD = UDAT_MINUTE_FIELD,
930  SECOND_FIELD = UDAT_SECOND_FIELD,
931  MILLISECOND_FIELD = UDAT_FRACTIONAL_SECOND_FIELD,
932  DAY_OF_WEEK_FIELD = UDAT_DAY_OF_WEEK_FIELD,
933  DAY_OF_YEAR_FIELD = UDAT_DAY_OF_YEAR_FIELD,
934  DAY_OF_WEEK_IN_MONTH_FIELD = UDAT_DAY_OF_WEEK_IN_MONTH_FIELD,
935  WEEK_OF_YEAR_FIELD = UDAT_WEEK_OF_YEAR_FIELD,
936  WEEK_OF_MONTH_FIELD = UDAT_WEEK_OF_MONTH_FIELD,
937  AM_PM_FIELD = UDAT_AM_PM_FIELD,
938  HOUR1_FIELD = UDAT_HOUR1_FIELD,
939  HOUR0_FIELD = UDAT_HOUR0_FIELD,
940  TIMEZONE_FIELD = UDAT_TIMEZONE_FIELD
941  };
942 #endif /* U_HIDE_OBSOLETE_API */
943 };
944 
945 U_NAMESPACE_END
946 
947 #endif /* #if !UCONFIG_NO_FORMATTING */
948 
949 #endif // _DATEFMT
950 //eof
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