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smpdtfmt.h

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00001 /*
00002 * Copyright © {1997-1999}, 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 #include "unicode/datefmt.h"
00028 class DateFormatSymbols;
00029 class DateFormat;
00030 
00172 class U_I18N_API SimpleDateFormat: public DateFormat {
00173 public:
00182     SimpleDateFormat(UErrorCode& status);
00183 
00193     SimpleDateFormat(const UnicodeString& pattern,
00194                      UErrorCode& status);
00195 
00205     SimpleDateFormat(const UnicodeString& pattern,
00206                      const Locale& locale,
00207                      UErrorCode& status);
00208 
00215     SimpleDateFormat(const UnicodeString& pattern,
00216                      DateFormatSymbols* formatDataToAdopt,
00217                      UErrorCode& status);
00218 
00225     SimpleDateFormat(const UnicodeString& pattern,
00226                      const DateFormatSymbols& formatData,
00227                      UErrorCode& status);
00228 
00233     SimpleDateFormat(const SimpleDateFormat&);
00234 
00239     SimpleDateFormat& operator=(const SimpleDateFormat&);
00240 
00245     virtual ~SimpleDateFormat();
00246 
00252     virtual Format* clone(void) const;
00253 
00259     virtual UBool operator==(const Format& other) const;
00260 
00276     virtual UnicodeString& format(  UDate date,
00277                                     UnicodeString& toAppendTo,
00278                                     FieldPosition& pos) const;
00279 
00298     virtual UnicodeString& format(  const Formattable& obj,
00299                                     UnicodeString& toAppendTo,
00300                                     FieldPosition& pos,
00301                                     UErrorCode& status) const;
00302 
00307     UnicodeString& format(const Formattable& obj,
00308                           UnicodeString& result,
00309                           UErrorCode& status) const;
00310 
00315     UnicodeString& format(UDate date, UnicodeString& result) const;
00316 
00336     virtual UDate parse( const UnicodeString& text,
00337                         ParsePosition& pos) const;
00338 
00339 
00355     virtual UDate parse( const UnicodeString& text,
00356                         UErrorCode& status) const;
00357 
00371     virtual void set2DigitYearStart(UDate d, UErrorCode& status);
00372 
00386     UDate get2DigitYearStart(UErrorCode& status) const;
00387 
00392     virtual UnicodeString& toPattern(UnicodeString& result) const;
00393 
00409     virtual UnicodeString& toLocalizedPattern(UnicodeString& result,
00410                                               UErrorCode& status) const;
00411 
00420     virtual void applyPattern(const UnicodeString& pattern);
00421 
00432     virtual void applyLocalizedPattern(const UnicodeString& pattern,
00433                                        UErrorCode& status);
00434 
00443     virtual const DateFormatSymbols* getDateFormatSymbols(void) const;
00444 
00451     virtual void adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols);
00452 
00458     virtual void setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols);
00459 
00460 
00461 public:
00465     static const char *fgErasTag;   // resource bundle tag for era names
00466     static const char *fgMonthNamesTag; // resource bundle tag for month names
00467     static const char *fgMonthAbbreviationsTag; // resource bundle tag for month abbreviations
00468     static const char *fgDayNamesTag;   // resource bundle tag for day names
00469     static const char *fgDayAbbreviationsTag;   // resource bundle tag for day abbreviations
00470     static const char *fgAmPmMarkersTag;    // resource bundle tag for AM/PM strings
00471     static const char *fgDateTimePatternsTag;   // resource bundle tag for default date and time patterns
00472 
00473     static const char *fgZoneStringsTag;    // resource bundle tag for time zone names
00474     static const char *fgLocalPatternCharsTag;  // resource bundle tag for localized pattern characters
00475 
00476     static const UnicodeString      fgDefaultPattern;    // date/time pattern of last resort
00477 
00478 public:
00490     static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
00491 
00503     virtual UClassID getDynamicClassID(void) const { return getStaticClassID(); }
00504 
00505 private:
00506     static char fgClassID;
00507 
00508     friend class DateFormat;
00509 
00522     //int32_t getZoneIndex(const DateFormatSymbols&, const UnicodeString& ID) const;
00523 
00524     void initializeDefaultCentury(void);
00525 
00529     SimpleDateFormat(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00530 
00536     SimpleDateFormat(const Locale& locale, UErrorCode& status); // Use default pattern
00537 
00558     UnicodeString& subFormat(   UnicodeString& result,
00559                                 UChar ch,
00560                                 int32_t count,
00561                                 int32_t beginOffset,
00562                                 FieldPosition& pos,
00563                                 UErrorCode& status) const; // in case of illegal argument
00564 
00575     UnicodeString& zeroPaddingNumber(UnicodeString& result,
00576                                      int32_t value,
00577                                      int32_t minDigits,
00578                                      int32_t maxDigits) const;
00579 
00589     void construct(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00590 
00597     void initialize(const Locale& locale, UErrorCode& status);
00598 
00608     int32_t matchString(const UnicodeString& text, UTextOffset start, Calendar::EDateFields field,
00609                     const UnicodeString* stringArray, int32_t stringArrayCount) const;
00610 
00623     int32_t subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count,
00624                  UBool obeyCount, UBool ambiguousYear[]) const;
00625 
00633     //UBool subParseLong(const UnicodeString& text, ParsePosition& pos, int32_t& value) const;
00634 
00641     static void translatePattern(const UnicodeString& originalPattern,
00642                                 UnicodeString& translatedPattern,
00643                                 const UnicodeString& from,
00644                                 const UnicodeString& to,
00645                                 UErrorCode& status);
00650     //int32_t getZoneIndex(const UnicodeString& ID) const;
00651 
00656     void         parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status);
00657 
00662     UDate         internalGetDefaultCenturyStart(void) const;
00663 
00668     int32_t          internalGetDefaultCenturyStartYear(void) const;
00669 
00674     static void  initializeSystemDefaultCentury(void);
00675 
00679     // For time zones that have no names, use strings GMT+minutes and
00680     // GMT-minutes. For instance, in France the time zone is GMT+60.
00681     static const UnicodeString fgGmtPlus;
00682     static const UnicodeString fgGmtMinus;
00683     static const UnicodeString fgGmt;
00684 
00688     static const Calendar::EDateFields fgPatternIndexToCalendarField[];
00689 
00693     static const DateFormat::EField fgPatternIndexToDateFormatField[];
00694 
00698     UnicodeString       fPattern;
00699 
00704     DateFormatSymbols*  fSymbols;   // Owned
00705 
00714     UDate                fDefaultCenturyStart;
00715 
00719     /*transient*/ int32_t   fDefaultCenturyStartYear;
00720 
00727     static UDate         fgSystemDefaultCenturyStart;
00728 
00732     static int32_t          fgSystemDefaultCenturyStartYear;
00733 
00737     static const int32_t    fgSystemDefaultCenturyYear;
00738 
00739 public:
00744     static const UDate        fgSystemDefaultCentury;
00745 };
00746 
00747 inline UDate
00748 SimpleDateFormat::get2DigitYearStart(UErrorCode& /*status*/) const
00749 {
00750     return fDefaultCenturyStart;
00751 }
00752 
00753 inline UnicodeString&
00754 SimpleDateFormat::format(const Formattable& obj,
00755                          UnicodeString& result,
00756                          UErrorCode& status) const {
00757     // Don't use Format:: - use immediate base class only,
00758     // in case immediate base modifies behavior later.
00759     return DateFormat::format(obj, result, status);
00760 }
00761 
00762 inline UnicodeString&
00763 SimpleDateFormat::format(UDate date, UnicodeString& result) const {
00764     return DateFormat::format(date, result);
00765 }
00766 
00767 #endif // _SMPDTFMT
00768 //eof

Generated at Fri Dec 15 12:12:35 2000 for ICU 1.7 by doxygen1.2.3 written by Dimitri van Heesch, © 1997-2000