smpdtfmt.h

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00001 /*
00002 * Copyright (C) 1997-2006, 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 
00033 #if !UCONFIG_NO_FORMATTING
00034 
00035 #include "unicode/datefmt.h"
00036 
00037 U_NAMESPACE_BEGIN
00038 
00039 class DateFormatSymbols;
00040 class DateFormat;
00041 
00206 class U_I18N_API SimpleDateFormat: public DateFormat {
00207 public:
00217     SimpleDateFormat(UErrorCode& status);
00218 
00230     SimpleDateFormat(const UnicodeString& pattern,
00231                      UErrorCode& status);
00232 
00245     SimpleDateFormat(const UnicodeString& pattern,
00246                      const Locale& locale,
00247                      UErrorCode& status);
00248 
00258     SimpleDateFormat(const UnicodeString& pattern,
00259                      DateFormatSymbols* formatDataToAdopt,
00260                      UErrorCode& status);
00261 
00271     SimpleDateFormat(const UnicodeString& pattern,
00272                      const DateFormatSymbols& formatData,
00273                      UErrorCode& status);
00274 
00279     SimpleDateFormat(const SimpleDateFormat&);
00280 
00285     SimpleDateFormat& operator=(const SimpleDateFormat&);
00286 
00291     virtual ~SimpleDateFormat();
00292 
00299     virtual Format* clone(void) const;
00300 
00308     virtual UBool operator==(const Format& other) const;
00309 
00326     virtual UnicodeString& format(  Calendar& cal,
00327                                     UnicodeString& appendTo,
00328                                     FieldPosition& pos) const;
00329 
00349     virtual UnicodeString& format(  const Formattable& obj,
00350                                     UnicodeString& appendTo,
00351                                     FieldPosition& pos,
00352                                     UErrorCode& status) const;
00353 
00364     UnicodeString& format(UDate date,
00365                           UnicodeString& appendTo,
00366                           FieldPosition& fieldPosition) const;
00367 
00377     UnicodeString& format(const Formattable& obj,
00378                           UnicodeString& appendTo,
00379                           UErrorCode& status) const;
00380 
00389     UnicodeString& format(UDate date, UnicodeString& appendTo) const;
00390 
00410     virtual void parse( const UnicodeString& text,
00411                         Calendar& cal,
00412                         ParsePosition& pos) const;
00413 
00433     UDate parse( const UnicodeString& text,
00434                  ParsePosition& pos) const;
00435 
00436 
00452     virtual UDate parse( const UnicodeString& text,
00453                         UErrorCode& status) const;
00454 
00471     virtual void set2DigitYearStart(UDate d, UErrorCode& status);
00472 
00488     UDate get2DigitYearStart(UErrorCode& status) const;
00489 
00496     virtual UnicodeString& toPattern(UnicodeString& result) const;
00497 
00514     virtual UnicodeString& toLocalizedPattern(UnicodeString& result,
00515                                               UErrorCode& status) const;
00516 
00525     virtual void applyPattern(const UnicodeString& pattern);
00526 
00537     virtual void applyLocalizedPattern(const UnicodeString& pattern,
00538                                        UErrorCode& status);
00539 
00548     virtual const DateFormatSymbols* getDateFormatSymbols(void) const;
00549 
00556     virtual void adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols);
00557 
00563     virtual void setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols);
00564 
00576     static UClassID U_EXPORT2 getStaticClassID(void);
00577 
00589     virtual UClassID getDynamicClassID(void) const;
00590 
00600     virtual void adoptCalendar(Calendar* calendarToAdopt);
00601 
00602 private:
00603     friend class DateFormat;
00604 
00605     void initializeDefaultCentury(void);
00606 
00607     SimpleDateFormat(); // default constructor not implemented
00608 
00617     SimpleDateFormat(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00618 
00627     SimpleDateFormat(const Locale& locale, UErrorCode& status); // Use default pattern
00628 
00645     void subFormat(             UnicodeString &appendTo,
00646                                 UChar ch,
00647                                 int32_t count,
00648                                 FieldPosition& pos,
00649                                 Calendar& cal,
00650                                 UErrorCode& status) const; // in case of illegal argument
00651 
00657     void zoneIDCanonicalize( UnicodeString & ) const;
00658 
00671     void zeroPaddingNumber(          UnicodeString &appendTo,
00672                                      int32_t value,
00673                                      int32_t minDigits,
00674                                      int32_t maxDigits) const;
00675 
00680     static UBool isNumeric(UChar formatChar, int32_t count);
00681 
00689     Calendar *initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status);
00690 
00697     void initializeSymbols(const Locale& locale, Calendar* calendar, UErrorCode& status);
00698 
00708     void construct(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00709 
00716     void initialize(const Locale& locale, UErrorCode& status);
00717 
00730     int32_t matchString(const UnicodeString& text, int32_t start, UCalendarDateFields field,
00731                         const UnicodeString* stringArray, int32_t stringArrayCount, Calendar& cal) const;
00732 
00745     int32_t matchQuarterString(const UnicodeString& text, int32_t start, UCalendarDateFields field,
00746                                const UnicodeString* stringArray, int32_t stringArrayCount, Calendar& cal) const;
00747 
00762     int32_t subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count,
00763                      UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], Calendar& cal) const;
00764 
00765     void parseInt(const UnicodeString& text,
00766                   Formattable& number,
00767                   ParsePosition& pos,
00768                   UBool allowNegative) const;
00769 
00782     static void translatePattern(const UnicodeString& originalPattern,
00783                                 UnicodeString& translatedPattern,
00784                                 const UnicodeString& from,
00785                                 const UnicodeString& to,
00786                                 UErrorCode& status);
00787 
00795     void         parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status);
00796 
00809     int32_t      subParseZoneString(const UnicodeString& text, int32_t start, Calendar& cal, UErrorCode& status) const;
00810     
00814     inline void appendGMT(UnicodeString &appendTo, Calendar& cal, UErrorCode& status) const;
00815 
00819     static const UCalendarDateFields fgPatternIndexToCalendarField[];
00820 
00824     static const UDateFormatField fgPatternIndexToDateFormatField[];
00825 
00829     UnicodeString       fPattern;
00830 
00834     Locale              fLocale;
00835 
00840     DateFormatSymbols*  fSymbols;   // Owned
00841 
00850     UDate                fDefaultCenturyStart;
00851 
00855     /*transient*/ int32_t   fDefaultCenturyStartYear;
00856 
00857     /*transient*/ TimeZone* parsedTimeZone; // here to avoid api change
00858 
00859     UBool fHaveDefaultCentury;
00860 };
00861 
00862 inline UDate
00863 SimpleDateFormat::get2DigitYearStart(UErrorCode& /*status*/) const
00864 {
00865     return fDefaultCenturyStart;
00866 }
00867 
00868 inline UnicodeString&
00869 SimpleDateFormat::format(const Formattable& obj,
00870                          UnicodeString& appendTo,
00871                          UErrorCode& status) const {
00872     // Don't use Format:: - use immediate base class only,
00873     // in case immediate base modifies behavior later.
00874     return DateFormat::format(obj, appendTo, status);
00875 }
00876 
00877 inline UnicodeString&
00878 SimpleDateFormat::format(UDate date,
00879                          UnicodeString& appendTo,
00880                          FieldPosition& fieldPosition) const {
00881     // Don't use Format:: - use immediate base class only,
00882     // in case immediate base modifies behavior later.
00883     return DateFormat::format(date, appendTo, fieldPosition);
00884 }
00885 
00886 inline UnicodeString&
00887 SimpleDateFormat::format(UDate date, UnicodeString& appendTo) const {
00888     return DateFormat::format(date, appendTo);
00889 }
00890 
00891 U_NAMESPACE_END
00892 
00893 #endif /* #if !UCONFIG_NO_FORMATTING */
00894 
00895 #endif // _SMPDTFMT
00896 //eof

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