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smpdtfmt.h

00001 /*
00002 * Copyright (C) {1997-2004}, 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 
00199 class U_I18N_API SimpleDateFormat: public DateFormat {
00200 public:
00210     SimpleDateFormat(UErrorCode& status);
00211 
00223     SimpleDateFormat(const UnicodeString& pattern,
00224                      UErrorCode& status);
00225 
00238     SimpleDateFormat(const UnicodeString& pattern,
00239                      const Locale& locale,
00240                      UErrorCode& status);
00241 
00251     SimpleDateFormat(const UnicodeString& pattern,
00252                      DateFormatSymbols* formatDataToAdopt,
00253                      UErrorCode& status);
00254 
00264     SimpleDateFormat(const UnicodeString& pattern,
00265                      const DateFormatSymbols& formatData,
00266                      UErrorCode& status);
00267 
00272     SimpleDateFormat(const SimpleDateFormat&);
00273 
00278     SimpleDateFormat& operator=(const SimpleDateFormat&);
00279 
00284     virtual ~SimpleDateFormat();
00285 
00292     virtual Format* clone(void) const;
00293 
00301     virtual UBool operator==(const Format& other) const;
00302 
00319     virtual UnicodeString& format(  Calendar& cal,
00320                                     UnicodeString& appendTo,
00321                                     FieldPosition& pos) const;
00322 
00342     virtual UnicodeString& format(  const Formattable& obj,
00343                                     UnicodeString& appendTo,
00344                                     FieldPosition& pos,
00345                                     UErrorCode& status) const;
00346 
00357     UnicodeString& format(UDate date,
00358                           UnicodeString& appendTo,
00359                           FieldPosition& fieldPosition) const;
00360 
00370     UnicodeString& format(const Formattable& obj,
00371                           UnicodeString& appendTo,
00372                           UErrorCode& status) const;
00373 
00382     UnicodeString& format(UDate date, UnicodeString& appendTo) const;
00383 
00403     virtual void parse( const UnicodeString& text,
00404                         Calendar& cal,
00405                         ParsePosition& pos) const;
00406 
00426     UDate parse( const UnicodeString& text,
00427                  ParsePosition& pos) const;
00428 
00429 
00445     virtual UDate parse( const UnicodeString& text,
00446                         UErrorCode& status) const;
00447 
00464     virtual void set2DigitYearStart(UDate d, UErrorCode& status);
00465 
00481     UDate get2DigitYearStart(UErrorCode& status) const;
00482 
00489     virtual UnicodeString& toPattern(UnicodeString& result) const;
00490 
00507     virtual UnicodeString& toLocalizedPattern(UnicodeString& result,
00508                                               UErrorCode& status) const;
00509 
00518     virtual void applyPattern(const UnicodeString& pattern);
00519 
00530     virtual void applyLocalizedPattern(const UnicodeString& pattern,
00531                                        UErrorCode& status);
00532 
00541     virtual const DateFormatSymbols* getDateFormatSymbols(void) const;
00542 
00549     virtual void adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols);
00550 
00556     virtual void setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols);
00557 
00569     static UClassID U_EXPORT2 getStaticClassID(void);
00570 
00582     virtual UClassID getDynamicClassID(void) const;
00583 
00593     virtual void adoptCalendar(Calendar* calendarToAdopt);
00594 
00595 private:
00596     friend class DateFormat;
00597 
00598     void initializeDefaultCentury(void);
00599 
00600     SimpleDateFormat(); // default constructor not implemented
00601 
00610     SimpleDateFormat(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00611 
00620     SimpleDateFormat(const Locale& locale, UErrorCode& status); // Use default pattern
00621 
00638     void subFormat(             UnicodeString &appendTo,
00639                                 UChar ch,
00640                                 int32_t count,
00641                                 FieldPosition& pos,
00642                                 Calendar& cal,
00643                                 UErrorCode& status) const; // in case of illegal argument
00644 
00657     void zeroPaddingNumber(          UnicodeString &appendTo,
00658                                      int32_t value,
00659                                      int32_t minDigits,
00660                                      int32_t maxDigits) const;
00661 
00666     static UBool isNumeric(UChar formatChar, int32_t count);
00667 
00675     Calendar *initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status);
00676 
00683     void initializeSymbols(const Locale& locale, Calendar* calendar, UErrorCode& status);
00684 
00694     void construct(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00695 
00702     void initialize(const Locale& locale, UErrorCode& status);
00703 
00716     int32_t matchString(const UnicodeString& text, int32_t start, UCalendarDateFields field,
00717                         const UnicodeString* stringArray, int32_t stringArrayCount, Calendar& cal) const;
00718 
00733     int32_t subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count,
00734                      UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], Calendar& cal) const;
00735 
00736     void parseInt(const UnicodeString& text,
00737                   Formattable& number,
00738                   ParsePosition& pos,
00739                   UBool allowNegative) const;
00740 
00753     static void translatePattern(const UnicodeString& originalPattern,
00754                                 UnicodeString& translatedPattern,
00755                                 const UnicodeString& from,
00756                                 const UnicodeString& to,
00757                                 UErrorCode& status);
00758 
00766     void         parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status);
00767 
00771     static const UCalendarDateFields fgPatternIndexToCalendarField[];
00772 
00776     static const UDateFormatField fgPatternIndexToDateFormatField[];
00777 
00781     UnicodeString       fPattern;
00782 
00786     Locale              fLocale;
00787 
00792     DateFormatSymbols*  fSymbols;   // Owned
00793 
00802     UDate                fDefaultCenturyStart;
00803 
00807     /*transient*/ int32_t   fDefaultCenturyStartYear;
00808 
00809     UBool fHaveDefaultCentury;
00810 };
00811 
00812 inline UDate
00813 SimpleDateFormat::get2DigitYearStart(UErrorCode& /*status*/) const
00814 {
00815     return fDefaultCenturyStart;
00816 }
00817 
00818 inline UnicodeString&
00819 SimpleDateFormat::format(const Formattable& obj,
00820                          UnicodeString& appendTo,
00821                          UErrorCode& status) const {
00822     // Don't use Format:: - use immediate base class only,
00823     // in case immediate base modifies behavior later.
00824     return DateFormat::format(obj, appendTo, status);
00825 }
00826 
00827 inline UnicodeString&
00828 SimpleDateFormat::format(UDate date,
00829                          UnicodeString& appendTo,
00830                          FieldPosition& fieldPosition) const {
00831     // Don't use Format:: - use immediate base class only,
00832     // in case immediate base modifies behavior later.
00833     return DateFormat::format(date, appendTo, fieldPosition);
00834 }
00835 
00836 inline UnicodeString&
00837 SimpleDateFormat::format(UDate date, UnicodeString& appendTo) const {
00838     return DateFormat::format(date, appendTo);
00839 }
00840 
00841 U_NAMESPACE_END
00842 
00843 #endif /* #if !UCONFIG_NO_FORMATTING */
00844 
00845 #endif // _SMPDTFMT
00846 //eof

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