Main Page   Class Hierarchy   Alphabetical List   Compound List   File List   Compound Members   File Members   Search  

smpdtfmt.h

Go to the documentation of this file.
00001 /*
00002 * Copyright (C) {1997-2001}, 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 
00029 U_NAMESPACE_BEGIN
00030 
00031 class DateFormatSymbols;
00032 class DateFormat;
00033 
00175 class U_I18N_API SimpleDateFormat: public DateFormat {
00176 public:
00185     SimpleDateFormat(UErrorCode& status);
00186 
00196     SimpleDateFormat(const UnicodeString& pattern,
00197                      UErrorCode& status);
00198 
00208     SimpleDateFormat(const UnicodeString& pattern,
00209                      const Locale& locale,
00210                      UErrorCode& status);
00211 
00218     SimpleDateFormat(const UnicodeString& pattern,
00219                      DateFormatSymbols* formatDataToAdopt,
00220                      UErrorCode& status);
00221 
00228     SimpleDateFormat(const UnicodeString& pattern,
00229                      const DateFormatSymbols& formatData,
00230                      UErrorCode& status);
00231 
00236     SimpleDateFormat(const SimpleDateFormat&);
00237 
00242     SimpleDateFormat& operator=(const SimpleDateFormat&);
00243 
00248     virtual ~SimpleDateFormat();
00249 
00255     virtual Format* clone(void) const;
00256 
00262     virtual UBool operator==(const Format& other) const;
00263 
00279     virtual UnicodeString& format(  UDate date,
00280                                     UnicodeString& toAppendTo,
00281                                     FieldPosition& pos) const;
00282 
00301     virtual UnicodeString& format(  const Formattable& obj,
00302                                     UnicodeString& toAppendTo,
00303                                     FieldPosition& pos,
00304                                     UErrorCode& status) const;
00305 
00310     UnicodeString& format(const Formattable& obj,
00311                           UnicodeString& result,
00312                           UErrorCode& status) const;
00313 
00318     UnicodeString& format(UDate date, UnicodeString& result) const;
00319 
00339     virtual UDate parse( const UnicodeString& text,
00340                         ParsePosition& pos) const;
00341 
00342 
00358     virtual UDate parse( const UnicodeString& text,
00359                         UErrorCode& status) const;
00360 
00374     virtual void set2DigitYearStart(UDate d, UErrorCode& status);
00375 
00389     UDate get2DigitYearStart(UErrorCode& status) const;
00390 
00395     virtual UnicodeString& toPattern(UnicodeString& result) const;
00396 
00412     virtual UnicodeString& toLocalizedPattern(UnicodeString& result,
00413                                               UErrorCode& status) const;
00414 
00423     virtual void applyPattern(const UnicodeString& pattern);
00424 
00435     virtual void applyLocalizedPattern(const UnicodeString& pattern,
00436                                        UErrorCode& status);
00437 
00446     virtual const DateFormatSymbols* getDateFormatSymbols(void) const;
00447 
00454     virtual void adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols);
00455 
00461     virtual void setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols);
00462 
00474     static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
00475 
00487     virtual UClassID getDynamicClassID(void) const { return getStaticClassID(); }
00488 
00489 private:
00490     static const char fgClassID;
00491 
00492     static const char fgDateTimePatternsTag[];   // resource bundle tag for default date and time patterns
00493 
00494     static const UChar fgDefaultPattern[];    // date/time pattern of last resort
00495 
00496     friend class DateFormat;
00497 
00510     //int32_t getZoneIndex(const DateFormatSymbols&, const UnicodeString& ID) const;
00511 
00512     void initializeDefaultCentury(void);
00513 
00517     SimpleDateFormat(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00518 
00524     SimpleDateFormat(const Locale& locale, UErrorCode& status); // Use default pattern
00525 
00545     UnicodeString& subFormat(   UnicodeString& result,
00546                                 UChar ch,
00547                                 int32_t count,
00548                                 int32_t beginOffset,
00549                                 FieldPosition& pos,
00550                                 UErrorCode& status) const; // in case of illegal argument
00551 
00562     UnicodeString& zeroPaddingNumber(UnicodeString& result,
00563                                      int32_t value,
00564                                      int32_t minDigits,
00565                                      int32_t maxDigits) const;
00566 
00576     void construct(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
00577 
00584     void initialize(const Locale& locale, UErrorCode& status);
00585 
00595     int32_t matchString(const UnicodeString& text, UTextOffset start, Calendar::EDateFields field,
00596                     const UnicodeString* stringArray, int32_t stringArrayCount) const;
00597 
00609     int32_t subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count,
00610                  UBool obeyCount, UBool ambiguousYear[]) const;
00611 
00619     //UBool subParseLong(const UnicodeString& text, ParsePosition& pos, int32_t& value) const;
00620 
00627     static void translatePattern(const UnicodeString& originalPattern,
00628                                 UnicodeString& translatedPattern,
00629                                 const UnicodeString& from,
00630                                 const UnicodeString& to,
00631                                 UErrorCode& status);
00636     //int32_t getZoneIndex(const UnicodeString& ID) const;
00637 
00642     void         parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status);
00643 
00648     UDate         internalGetDefaultCenturyStart(void) const;
00649 
00654     int32_t          internalGetDefaultCenturyStartYear(void) const;
00655 
00660     static void  initializeSystemDefaultCentury(void);
00661 
00665     // For time zones that have no names, use strings GMT+minutes and
00666     // GMT-minutes. For instance, in France the time zone is GMT+60.
00667     static const UChar fgGmtPlus[];
00668     static const UChar fgGmtMinus[];
00669     static const UChar fgGmt[];
00670 
00674     static const Calendar::EDateFields fgPatternIndexToCalendarField[];
00675 
00679     static const DateFormat::EField fgPatternIndexToDateFormatField[];
00680 
00684     UnicodeString       fPattern;
00685 
00690     DateFormatSymbols*  fSymbols;   // Owned
00691 
00700     UDate                fDefaultCenturyStart;
00701 
00705     /*transient*/ int32_t   fDefaultCenturyStartYear;
00706 
00713     static UDate         fgSystemDefaultCenturyStart;
00714 
00718     static int32_t          fgSystemDefaultCenturyStartYear;
00719 
00723     static const int32_t    fgSystemDefaultCenturyYear;
00724 
00725 public:
00730     static const UDate        fgSystemDefaultCentury;
00731 };
00732 
00733 inline UDate
00734 SimpleDateFormat::get2DigitYearStart(UErrorCode& /*status*/) const
00735 {
00736     return fDefaultCenturyStart;
00737 }
00738 
00739 inline UnicodeString&
00740 SimpleDateFormat::format(const Formattable& obj,
00741                          UnicodeString& result,
00742                          UErrorCode& status) const {
00743     // Don't use Format:: - use immediate base class only,
00744     // in case immediate base modifies behavior later.
00745     return DateFormat::format(obj, result, status);
00746 }
00747 
00748 inline UnicodeString&
00749 SimpleDateFormat::format(UDate date, UnicodeString& result) const {
00750     return DateFormat::format(date, result);
00751 }
00752 
00753 U_NAMESPACE_END
00754 
00755 #endif // _SMPDTFMT
00756 //eof

Generated on Mon Dec 3 19:00:23 2001 for ICU 2.0 by doxygen1.2.11.1 written by Dimitri van Heesch, © 1997-2001