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smpdtfmt.h

00001 /*
00002 * Copyright (C) {1997-2003}, 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 
00190 class U_I18N_API SimpleDateFormat: public DateFormat {
00191 public:
00201     SimpleDateFormat(UErrorCode& status);
00202 
00214     SimpleDateFormat(const UnicodeString& pattern,
00215                      UErrorCode& status);
00216 
00229     SimpleDateFormat(const UnicodeString& pattern,
00230                      const Locale& locale,
00231                      UErrorCode& status);
00232 
00242     SimpleDateFormat(const UnicodeString& pattern,
00243                      DateFormatSymbols* formatDataToAdopt,
00244                      UErrorCode& status);
00245 
00255     SimpleDateFormat(const UnicodeString& pattern,
00256                      const DateFormatSymbols& formatData,
00257                      UErrorCode& status);
00258 
00263     SimpleDateFormat(const SimpleDateFormat&);
00264 
00269     SimpleDateFormat& operator=(const SimpleDateFormat&);
00270 
00275     virtual ~SimpleDateFormat();
00276 
00283     virtual Format* clone(void) const;
00284 
00292     virtual UBool operator==(const Format& other) const;
00293 
00310     virtual UnicodeString& format(  Calendar& cal,
00311                                     UnicodeString& appendTo,
00312                                     FieldPosition& pos) const;
00313 
00333     virtual UnicodeString& format(  const Formattable& obj,
00334                                     UnicodeString& appendTo,
00335                                     FieldPosition& pos,
00336                                     UErrorCode& status) const;
00337 
00348     UnicodeString& format(UDate date,
00349                           UnicodeString& appendTo,
00350                           FieldPosition& fieldPosition) const;
00351 
00361     UnicodeString& format(const Formattable& obj,
00362                           UnicodeString& appendTo,
00363                           UErrorCode& status) const;
00364 
00373     UnicodeString& format(UDate date, UnicodeString& appendTo) const;
00374 
00394     virtual void parse( const UnicodeString& text,
00395                         Calendar& cal,
00396                         ParsePosition& pos) const;
00397 
00417     UDate parse( const UnicodeString& text,
00418                  ParsePosition& pos) const;
00419 
00420 
00436     virtual UDate parse( const UnicodeString& text,
00437                         UErrorCode& status) const;
00438 
00455     virtual void set2DigitYearStart(UDate d, UErrorCode& status);
00456 
00472     UDate get2DigitYearStart(UErrorCode& status) const;
00473 
00480     virtual UnicodeString& toPattern(UnicodeString& result) const;
00481 
00498     virtual UnicodeString& toLocalizedPattern(UnicodeString& result,
00499                                               UErrorCode& status) const;
00500 
00509     virtual void applyPattern(const UnicodeString& pattern);
00510 
00521     virtual void applyLocalizedPattern(const UnicodeString& pattern,
00522                                        UErrorCode& status);
00523 
00532     virtual const DateFormatSymbols* getDateFormatSymbols(void) const;
00533 
00540     virtual void adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols);
00541 
00547     virtual void setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols);
00548 
00560     static UClassID getStaticClassID(void);
00561 
00573     virtual UClassID getDynamicClassID(void) const;
00574 
00584     virtual void adoptCalendar(Calendar* calendarToAdopt);
00585 
00586 private:
00587     friend class DateFormat;
00588 
00589     void initializeDefaultCentury(void);
00590 
00591     SimpleDateFormat(); // default constructor not implemented
00592 
00601     SimpleDateFormat(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00602 
00611     SimpleDateFormat(const Locale& locale, UErrorCode& status); // Use default pattern
00612 
00629     void subFormat(             UnicodeString &appendTo,
00630                                 UChar ch,
00631                                 int32_t count,
00632                                 FieldPosition& pos,
00633                                 Calendar& cal,
00634                                 UErrorCode& status) const; // in case of illegal argument
00635 
00648     void zeroPaddingNumber(          UnicodeString &appendTo,
00649                                      int32_t value,
00650                                      int32_t minDigits,
00651                                      int32_t maxDigits) const;
00652 
00657     static UBool isNumeric(UChar formatChar, int32_t count);
00658 
00666     Calendar *initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status);
00667 
00674     void initializeSymbols(const Locale& locale, Calendar* calendar, UErrorCode& status);
00675 
00685     void construct(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00686 
00693     void initialize(const Locale& locale, UErrorCode& status);
00694 
00707     int32_t matchString(const UnicodeString& text, int32_t start, UCalendarDateFields field,
00708                         const UnicodeString* stringArray, int32_t stringArrayCount, Calendar& cal) const;
00709 
00724     int32_t subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count,
00725                      UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], Calendar& cal) const;
00726 
00727     void parseInt(const UnicodeString& text,
00728                   Formattable& number,
00729                   ParsePosition& pos,
00730                   UBool allowNegative) const;
00731 
00744     static void translatePattern(const UnicodeString& originalPattern,
00745                                 UnicodeString& translatedPattern,
00746                                 const UnicodeString& from,
00747                                 const UnicodeString& to,
00748                                 UErrorCode& status);
00749 
00757     void         parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status);
00758 
00762     static const UCalendarDateFields fgPatternIndexToCalendarField[];
00763 
00767     static const DateFormat::EField fgPatternIndexToDateFormatField[];
00768 
00772     UnicodeString       fPattern;
00773 
00777     Locale              fLocale;
00778 
00783     DateFormatSymbols*  fSymbols;   // Owned
00784 
00793     UDate                fDefaultCenturyStart;
00794 
00798     /*transient*/ int32_t   fDefaultCenturyStartYear;
00799     
00800     UBool fHaveDefaultCentury;
00801 };
00802 
00803 inline UDate
00804 SimpleDateFormat::get2DigitYearStart(UErrorCode& /*status*/) const
00805 {
00806     return fDefaultCenturyStart;
00807 }
00808 
00809 inline UnicodeString&
00810 SimpleDateFormat::format(const Formattable& obj,
00811                          UnicodeString& appendTo,
00812                          UErrorCode& status) const {
00813     // Don't use Format:: - use immediate base class only,
00814     // in case immediate base modifies behavior later.
00815     return DateFormat::format(obj, appendTo, status);
00816 }
00817 
00818 inline UnicodeString&
00819 SimpleDateFormat::format(UDate date,
00820                          UnicodeString& appendTo,
00821                          FieldPosition& fieldPosition) const {
00822     // Don't use Format:: - use immediate base class only,
00823     // in case immediate base modifies behavior later.
00824     return DateFormat::format(date, appendTo, fieldPosition);
00825 }
00826 
00827 inline UnicodeString&
00828 SimpleDateFormat::format(UDate date, UnicodeString& appendTo) const {
00829     return DateFormat::format(date, appendTo);
00830 }
00831 
00832 U_NAMESPACE_END
00833 
00834 #endif /* #if !UCONFIG_NO_FORMATTING */
00835 
00836 #endif // _SMPDTFMT
00837 //eof

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