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smpdtfmt.h

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00001 /*
00002 * Copyright (C) {1997-2001}, International Business Machines Corporation and others. All Rights Reserved.
00003 *******************************************************************************
00004 *
00005 * File SMPDTFMT.H
00006 *
00007 * Modification History:
00008 *
00009 *   Date        Name        Description
00010 *   02/19/97    aliu        Converted from java.
00011 *   07/09/97    helena      Make ParsePosition into a class.
00012 *   07/21/98    stephen     Added GMT_PLUS, GMT_MINUS
00013 *                            Changed setTwoDigitStartDate to set2DigitYearStart
00014 *                            Changed getTwoDigitStartDate to get2DigitYearStart
00015 *                            Removed subParseLong
00016 *                            Removed getZoneIndex (added in DateFormatSymbols)
00017 *   06/14/99    stephen     Removed fgTimeZoneDataSuffix
00018 *   10/14/99    aliu        Updated class doc to describe 2-digit year parsing
00019 *                           {j28 4182066}.
00020 *******************************************************************************
00021 */
00022 
00023 #ifndef SMPDTFMT_H
00024 #define SMPDTFMT_H
00025 
00026 #include "unicode/utypes.h"
00027 
00028 #if !UCONFIG_NO_FORMATTING
00029 
00030 #include "unicode/datefmt.h"
00031 
00032 U_NAMESPACE_BEGIN
00033 
00034 class DateFormatSymbols;
00035 class DateFormat;
00036 
00178 class U_I18N_API SimpleDateFormat: public DateFormat {
00179 public:
00189     SimpleDateFormat(UErrorCode& status);
00190 
00202     SimpleDateFormat(const UnicodeString& pattern,
00203                      UErrorCode& status);
00204 
00217     SimpleDateFormat(const UnicodeString& pattern,
00218                      const Locale& locale,
00219                      UErrorCode& status);
00220 
00230     SimpleDateFormat(const UnicodeString& pattern,
00231                      DateFormatSymbols* formatDataToAdopt,
00232                      UErrorCode& status);
00233 
00243     SimpleDateFormat(const UnicodeString& pattern,
00244                      const DateFormatSymbols& formatData,
00245                      UErrorCode& status);
00246 
00251     SimpleDateFormat(const SimpleDateFormat&);
00252 
00257     SimpleDateFormat& operator=(const SimpleDateFormat&);
00258 
00263     virtual ~SimpleDateFormat();
00264 
00271     virtual Format* clone(void) const;
00272 
00280     virtual UBool operator==(const Format& other) const;
00281 
00298     virtual UnicodeString& format(  Calendar& cal,
00299                                     UnicodeString& appendTo,
00300                                     FieldPosition& pos) const;
00301 
00321     virtual UnicodeString& format(  const Formattable& obj,
00322                                     UnicodeString& appendTo,
00323                                     FieldPosition& pos,
00324                                     UErrorCode& status) const;
00325 
00336     UnicodeString& format(UDate date,
00337                           UnicodeString& appendTo,
00338                           FieldPosition& fieldPosition) const;
00339 
00349     UnicodeString& format(const Formattable& obj,
00350                           UnicodeString& appendTo,
00351                           UErrorCode& status) const;
00352 
00361     UnicodeString& format(UDate date, UnicodeString& appendTo) const;
00362 
00382     virtual void parse( const UnicodeString& text,
00383                         Calendar& cal,
00384                         ParsePosition& pos) const;
00385 
00405     UDate parse( const UnicodeString& text,
00406                  ParsePosition& pos) const;
00407 
00408 
00424     virtual UDate parse( const UnicodeString& text,
00425                         UErrorCode& status) const;
00426 
00443     virtual void set2DigitYearStart(UDate d, UErrorCode& status);
00444 
00460     UDate get2DigitYearStart(UErrorCode& status) const;
00461 
00468     virtual UnicodeString& toPattern(UnicodeString& result) const;
00469 
00486     virtual UnicodeString& toLocalizedPattern(UnicodeString& result,
00487                                               UErrorCode& status) const;
00488 
00497     virtual void applyPattern(const UnicodeString& pattern);
00498 
00509     virtual void applyLocalizedPattern(const UnicodeString& pattern,
00510                                        UErrorCode& status);
00511 
00520     virtual const DateFormatSymbols* getDateFormatSymbols(void) const;
00521 
00528     virtual void adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols);
00529 
00535     virtual void setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols);
00536 
00548     static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
00549 
00561     virtual UClassID getDynamicClassID(void) const { return getStaticClassID(); }
00562 
00563 private:
00564     static const char fgClassID;
00565 
00566     static const char fgDateTimePatternsTag[];   // resource bundle tag for default date and time patterns
00567 
00568     static const UChar fgDefaultPattern[];    // date/time pattern of last resort
00569 
00570     friend class DateFormat;
00571 
00584     //int32_t getZoneIndex(const DateFormatSymbols&, const UnicodeString& ID) const;
00585 
00586     void initializeDefaultCentury(void);
00587 
00596     SimpleDateFormat(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00597 
00606     SimpleDateFormat(const Locale& locale, UErrorCode& status); // Use default pattern
00607 
00624     void subFormat(             UnicodeString &appendTo,
00625                                 UChar ch,
00626                                 int32_t count,
00627                                 FieldPosition& pos,
00628                                 Calendar& cal,
00629                                 UErrorCode& status) const; // in case of illegal argument
00630 
00643     void zeroPaddingNumber(          UnicodeString &appendTo,
00644                                      int32_t value,
00645                                      int32_t minDigits,
00646                                      int32_t maxDigits) const;
00647 
00657     void construct(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00658 
00665     void initialize(const Locale& locale, UErrorCode& status);
00666 
00679     int32_t matchString(const UnicodeString& text, int32_t start, Calendar::EDateFields field,
00680                         const UnicodeString* stringArray, int32_t stringArrayCount, Calendar& cal) const;
00681 
00696     int32_t subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count,
00697                      UBool obeyCount, UBool ambiguousYear[], Calendar& cal) const;
00698 
00706     //UBool subParseLong(const UnicodeString& text, ParsePosition& pos, int32_t& value) const;
00707 
00720     static void translatePattern(const UnicodeString& originalPattern,
00721                                 UnicodeString& translatedPattern,
00722                                 const UnicodeString& from,
00723                                 const UnicodeString& to,
00724                                 UErrorCode& status);
00729     //int32_t getZoneIndex(const UnicodeString& ID) const;
00730 
00738     void         parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status);
00739 
00746     UDate         internalGetDefaultCenturyStart(void) const;
00747 
00754     int32_t          internalGetDefaultCenturyStartYear(void) const;
00755 
00760     static void  initializeSystemDefaultCentury(void);
00761 
00765     // For time zones that have no names, use strings GMT+minutes and
00766     // GMT-minutes. For instance, in France the time zone is GMT+60.
00767     static const UChar fgGmtPlus[];
00768     static const UChar fgGmtMinus[];
00769     static const UChar fgGmt[];
00770 
00774     static const Calendar::EDateFields fgPatternIndexToCalendarField[];
00775 
00779     static const DateFormat::EField fgPatternIndexToDateFormatField[];
00780 
00784     UnicodeString       fPattern;
00785 
00790     DateFormatSymbols*  fSymbols;   // Owned
00791 
00800     UDate                fDefaultCenturyStart;
00801 
00805     /*transient*/ int32_t   fDefaultCenturyStartYear;
00806 
00813     static UDate         fgSystemDefaultCenturyStart;
00814 
00818     static int32_t          fgSystemDefaultCenturyStartYear;
00819 
00823     static const int32_t    fgSystemDefaultCenturyYear;
00824 
00825 public:
00832     static const UDate        fgSystemDefaultCentury;
00833     // TODO Not supposed to be public: make it private in 2.8!
00834 };
00835 
00836 inline UDate
00837 SimpleDateFormat::get2DigitYearStart(UErrorCode& /*status*/) const
00838 {
00839     return fDefaultCenturyStart;
00840 }
00841 
00842 inline UnicodeString&
00843 SimpleDateFormat::format(const Formattable& obj,
00844                          UnicodeString& appendTo,
00845                          UErrorCode& status) const {
00846     // Don't use Format:: - use immediate base class only,
00847     // in case immediate base modifies behavior later.
00848     return DateFormat::format(obj, appendTo, status);
00849 }
00850 
00851 inline UnicodeString&
00852 SimpleDateFormat::format(UDate date,
00853                          UnicodeString& appendTo,
00854                          FieldPosition& fieldPosition) const {
00855     // Don't use Format:: - use immediate base class only,
00856     // in case immediate base modifies behavior later.
00857     return DateFormat::format(date, appendTo, fieldPosition);
00858 }
00859 
00860 inline UnicodeString&
00861 SimpleDateFormat::format(UDate date, UnicodeString& appendTo) const {
00862     return DateFormat::format(date, appendTo);
00863 }
00864 
00865 U_NAMESPACE_END
00866 
00867 #endif /* #if !UCONFIG_NO_FORMATTING */
00868 
00869 #endif // _SMPDTFMT
00870 //eof

Generated on Wed Dec 18 16:49:47 2002 for ICU 2.4 by doxygen1.2.11.1 written by Dimitri van Heesch, © 1997-2001