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 
00664     void zeroPaddingNumber(          UnicodeString &appendTo,
00665                                      int32_t value,
00666                                      int32_t minDigits,
00667                                      int32_t maxDigits) const;
00668 
00673     static UBool isNumeric(UChar formatChar, int32_t count);
00674 
00682     Calendar *initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status);
00683 
00690     void initializeSymbols(const Locale& locale, Calendar* calendar, UErrorCode& status);
00691 
00701     void construct(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00702 
00709     void initialize(const Locale& locale, UErrorCode& status);
00710 
00723     int32_t matchString(const UnicodeString& text, int32_t start, UCalendarDateFields field,
00724                         const UnicodeString* stringArray, int32_t stringArrayCount, Calendar& cal) const;
00725 
00738     int32_t matchQuarterString(const UnicodeString& text, int32_t start, UCalendarDateFields field,
00739                                const UnicodeString* stringArray, int32_t stringArrayCount, Calendar& cal) const;
00740 
00755     int32_t subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count,
00756                      UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], Calendar& cal) const;
00757 
00758     void parseInt(const UnicodeString& text,
00759                   Formattable& number,
00760                   ParsePosition& pos,
00761                   UBool allowNegative) const;
00762 
00775     static void translatePattern(const UnicodeString& originalPattern,
00776                                 UnicodeString& translatedPattern,
00777                                 const UnicodeString& from,
00778                                 const UnicodeString& to,
00779                                 UErrorCode& status);
00780 
00788     void         parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status);
00789 
00802     int32_t      subParseZoneString(const UnicodeString& text, int32_t start, Calendar& cal, UErrorCode& status) const;
00803     
00807     inline void appendGMT(UnicodeString &appendTo, Calendar& cal, UErrorCode& status) const;
00808 
00812     static const UCalendarDateFields fgPatternIndexToCalendarField[];
00813 
00817     static const UDateFormatField fgPatternIndexToDateFormatField[];
00818 
00822     UnicodeString       fPattern;
00823 
00827     Locale              fLocale;
00828 
00833     DateFormatSymbols*  fSymbols;   // Owned
00834 
00843     UDate                fDefaultCenturyStart;
00844 
00848     /*transient*/ int32_t   fDefaultCenturyStartYear;
00849 
00850     /*transient*/ TimeZone* parsedTimeZone; // here to avoid api change
00851 
00852     UBool fHaveDefaultCentury;
00853 };
00854 
00855 inline UDate
00856 SimpleDateFormat::get2DigitYearStart(UErrorCode& /*status*/) const
00857 {
00858     return fDefaultCenturyStart;
00859 }
00860 
00861 inline UnicodeString&
00862 SimpleDateFormat::format(const Formattable& obj,
00863                          UnicodeString& appendTo,
00864                          UErrorCode& status) const {
00865     // Don't use Format:: - use immediate base class only,
00866     // in case immediate base modifies behavior later.
00867     return DateFormat::format(obj, appendTo, status);
00868 }
00869 
00870 inline UnicodeString&
00871 SimpleDateFormat::format(UDate date,
00872                          UnicodeString& appendTo,
00873                          FieldPosition& fieldPosition) const {
00874     // Don't use Format:: - use immediate base class only,
00875     // in case immediate base modifies behavior later.
00876     return DateFormat::format(date, appendTo, fieldPosition);
00877 }
00878 
00879 inline UnicodeString&
00880 SimpleDateFormat::format(UDate date, UnicodeString& appendTo) const {
00881     return DateFormat::format(date, appendTo);
00882 }
00883 
00884 U_NAMESPACE_END
00885 
00886 #endif /* #if !UCONFIG_NO_FORMATTING */
00887 
00888 #endif // _SMPDTFMT
00889 //eof

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