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smpdtfmt.h
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1 /*
2 * Copyright (C) 1997-2015, International Business Machines Corporation and
3 * others. All Rights Reserved.
4 *******************************************************************************
5 *
6 * File SMPDTFMT.H
7 *
8 * Modification History:
9 *
10 * Date Name Description
11 * 02/19/97 aliu Converted from java.
12 * 07/09/97 helena Make ParsePosition into a class.
13 * 07/21/98 stephen Added GMT_PLUS, GMT_MINUS
14 * Changed setTwoDigitStartDate to set2DigitYearStart
15 * Changed getTwoDigitStartDate to get2DigitYearStart
16 * Removed subParseLong
17 * Removed getZoneIndex (added in DateFormatSymbols)
18 * 06/14/99 stephen Removed fgTimeZoneDataSuffix
19 * 10/14/99 aliu Updated class doc to describe 2-digit year parsing
20 * {j28 4182066}.
21 *******************************************************************************
22 */
23 
24 #ifndef SMPDTFMT_H
25 #define SMPDTFMT_H
26 
27 #include "unicode/utypes.h"
28 
34 #if !UCONFIG_NO_FORMATTING
35 
36 #include "unicode/datefmt.h"
38 #include "unicode/tzfmt.h" /* for UTimeZoneFormatTimeType */
39 #include "unicode/brkiter.h"
40 
42 
43 class DateFormatSymbols;
44 class DateFormat;
45 class MessageFormat;
46 class FieldPositionHandler;
47 class TimeZoneFormat;
48 class SharedNumberFormat;
49 class SimpleDateFormatMutableNFs;
50 
718 public:
728  SimpleDateFormat(UErrorCode& status);
729 
741  SimpleDateFormat(const UnicodeString& pattern,
742  UErrorCode& status);
743 
765  SimpleDateFormat(const UnicodeString& pattern,
766  const UnicodeString& override,
767  UErrorCode& status);
768 
781  SimpleDateFormat(const UnicodeString& pattern,
782  const Locale& locale,
783  UErrorCode& status);
784 
806  SimpleDateFormat(const UnicodeString& pattern,
807  const UnicodeString& override,
808  const Locale& locale,
809  UErrorCode& status);
810 
820  SimpleDateFormat(const UnicodeString& pattern,
821  DateFormatSymbols* formatDataToAdopt,
822  UErrorCode& status);
823 
833  SimpleDateFormat(const UnicodeString& pattern,
834  const DateFormatSymbols& formatData,
835  UErrorCode& status);
836 
842 
848 
853  virtual ~SimpleDateFormat();
854 
861  virtual Format* clone(void) const;
862 
870  virtual UBool operator==(const Format& other) const;
871 
872 
873  using DateFormat::format;
874 
891  virtual UnicodeString& format( Calendar& cal,
892  UnicodeString& appendTo,
893  FieldPosition& pos) const;
894 
913  virtual UnicodeString& format( Calendar& cal,
914  UnicodeString& appendTo,
915  FieldPositionIterator* posIter,
916  UErrorCode& status) const;
917 
918  using DateFormat::parse;
919 
946  virtual void parse( const UnicodeString& text,
947  Calendar& cal,
948  ParsePosition& pos) const;
949 
950 
967  virtual void set2DigitYearStart(UDate d, UErrorCode& status);
968 
984  UDate get2DigitYearStart(UErrorCode& status) const;
985 
992  virtual UnicodeString& toPattern(UnicodeString& result) const;
993 
1010  virtual UnicodeString& toLocalizedPattern(UnicodeString& result,
1011  UErrorCode& status) const;
1012 
1021  virtual void applyPattern(const UnicodeString& pattern);
1022 
1033  virtual void applyLocalizedPattern(const UnicodeString& pattern,
1034  UErrorCode& status);
1035 
1044  virtual const DateFormatSymbols* getDateFormatSymbols(void) const;
1045 
1052  virtual void adoptDateFormatSymbols(DateFormatSymbols* newFormatSymbols);
1053 
1059  virtual void setDateFormatSymbols(const DateFormatSymbols& newFormatSymbols);
1060 
1072  static UClassID U_EXPORT2 getStaticClassID(void);
1073 
1085  virtual UClassID getDynamicClassID(void) const;
1086 
1096  virtual void adoptCalendar(Calendar* calendarToAdopt);
1097 
1098  /* Cannot use #ifndef U_HIDE_INTERNAL_API for the following methods since they are virtual */
1106  virtual void adoptTimeZoneFormat(TimeZoneFormat* timeZoneFormatToAdopt);
1107 
1113  virtual void setTimeZoneFormat(const TimeZoneFormat& newTimeZoneFormat);
1114 
1120  virtual const TimeZoneFormat* getTimeZoneFormat(void) const;
1121 
1132  virtual void setContext(UDisplayContext value, UErrorCode& status);
1133 
1141  void adoptNumberFormat(NumberFormat *formatToAdopt);
1142 
1158  void adoptNumberFormat(const UnicodeString& fields, NumberFormat *formatToAdopt, UErrorCode &status);
1159 
1165  const NumberFormat * getNumberFormatForField(UChar field) const;
1166 
1167 #ifndef U_HIDE_INTERNAL_API
1168 
1178  UBool isFieldUnitIgnored(UCalendarDateFields field) const;
1179 
1180 
1192  static UBool isFieldUnitIgnored(const UnicodeString& pattern,
1193  UCalendarDateFields field);
1194 
1203  const Locale& getSmpFmtLocale(void) const;
1204 #endif /* U_HIDE_INTERNAL_API */
1205 
1206 private:
1207  friend class DateFormat;
1208 
1209  void initializeDefaultCentury(void);
1210 
1211  void initializeBooleanAttributes(void);
1212 
1213  SimpleDateFormat(); // default constructor not implemented
1214 
1223  SimpleDateFormat(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
1224 
1233  SimpleDateFormat(const Locale& locale, UErrorCode& status); // Use default pattern
1234 
1238  UnicodeString& _format(Calendar& cal, UnicodeString& appendTo, FieldPositionHandler& handler, UErrorCode& status) const;
1239 
1256  void subFormat(UnicodeString &appendTo,
1257  UChar ch,
1258  int32_t count,
1259  UDisplayContext capitalizationContext,
1260  int32_t fieldNum,
1261  FieldPositionHandler& handler,
1262  Calendar& cal,
1263  SimpleDateFormatMutableNFs &mutableNFs,
1264  UErrorCode& status) const; // in case of illegal argument
1265 
1279  void zeroPaddingNumber(NumberFormat *currentNumberFormat,
1280  UnicodeString &appendTo,
1281  int32_t value,
1282  int32_t minDigits,
1283  int32_t maxDigits) const;
1284 
1289  static UBool isNumeric(UChar formatChar, int32_t count);
1290 
1294  static UBool isAtNumericField(const UnicodeString &pattern, int32_t patternOffset);
1295 
1299  static UBool isAfterNonNumericField(const UnicodeString &pattern, int32_t patternOffset);
1300 
1308  Calendar *initializeCalendar(TimeZone* adoptZone, const Locale& locale, UErrorCode& status);
1309 
1319  void construct(EStyle timeStyle, EStyle dateStyle, const Locale& locale, UErrorCode& status);
1320 
1327  void initialize(const Locale& locale, UErrorCode& status);
1328 
1342  int32_t matchString(const UnicodeString& text, int32_t start, UCalendarDateFields field,
1343  const UnicodeString* stringArray, int32_t stringArrayCount,
1344  const UnicodeString* monthPattern, Calendar& cal) const;
1345 
1358  int32_t matchQuarterString(const UnicodeString& text, int32_t start, UCalendarDateFields field,
1359  const UnicodeString* stringArray, int32_t stringArrayCount, Calendar& cal) const;
1360 
1376  static UBool matchLiterals(const UnicodeString &pattern, int32_t &patternOffset,
1377  const UnicodeString &text, int32_t &textOffset,
1378  UBool whitespaceLenient, UBool partialMatchLenient, UBool oldLeniency);
1379 
1400  int32_t subParse(const UnicodeString& text, int32_t& start, UChar ch, int32_t count,
1401  UBool obeyCount, UBool allowNegative, UBool ambiguousYear[], int32_t& saveHebrewMonth, Calendar& cal,
1402  int32_t patLoc, MessageFormat * numericLeapMonthFormatter, UTimeZoneFormatTimeType *tzTimeType, SimpleDateFormatMutableNFs &mutableNFs) const;
1403 
1404  void parseInt(const UnicodeString& text,
1405  Formattable& number,
1406  ParsePosition& pos,
1407  UBool allowNegative,
1408  NumberFormat *fmt) const;
1409 
1410  void parseInt(const UnicodeString& text,
1411  Formattable& number,
1412  int32_t maxDigits,
1413  ParsePosition& pos,
1414  UBool allowNegative,
1415  NumberFormat *fmt) const;
1416 
1417  int32_t checkIntSuffix(const UnicodeString& text, int32_t start,
1418  int32_t patLoc, UBool isNegative) const;
1419 
1432  static void translatePattern(const UnicodeString& originalPattern,
1433  UnicodeString& translatedPattern,
1434  const UnicodeString& from,
1435  const UnicodeString& to,
1436  UErrorCode& status);
1437 
1445  void parseAmbiguousDatesAsAfter(UDate startDate, UErrorCode& status);
1446 
1456  int32_t compareSimpleAffix(const UnicodeString& affix,
1457  const UnicodeString& input,
1458  int32_t pos) const;
1459 
1464  int32_t skipPatternWhiteSpace(const UnicodeString& text, int32_t pos) const;
1465 
1470  int32_t skipUWhiteSpace(const UnicodeString& text, int32_t pos) const;
1471 
1475  void initNumberFormatters(const Locale &locale,UErrorCode &status);
1476 
1480  void processOverrideString(const Locale &locale, const UnicodeString &str, int8_t type, UErrorCode &status);
1481 
1485  static const UCalendarDateFields fgPatternIndexToCalendarField[];
1486 
1490  static const UDateFormatField fgPatternIndexToDateFormatField[];
1491 
1495  TimeZoneFormat *tzFormat() const;
1496 
1497  const NumberFormat* getNumberFormatByIndex(UDateFormatField index) const;
1498 
1505  static const int32_t fgCalendarFieldToLevel[];
1506 
1510  static int32_t getLevelFromChar(UChar ch);
1511 
1515  static UBool isSyntaxChar(UChar ch);
1516 
1520  UnicodeString fPattern;
1521 
1525  UnicodeString fDateOverride;
1526 
1530  UnicodeString fTimeOverride;
1531 
1532 
1536  Locale fLocale;
1537 
1542  DateFormatSymbols* fSymbols; // Owned
1543 
1547  TimeZoneFormat* fTimeZoneFormat;
1548 
1557  UDate fDefaultCenturyStart;
1558 
1562  /*transient*/ int32_t fDefaultCenturyStartYear;
1563 
1564  struct NSOverride : public UMemory {
1565  const SharedNumberFormat *snf;
1566  int32_t hash;
1567  NSOverride *next;
1568  void free();
1569  NSOverride() : snf(NULL), hash(0), next(NULL) {
1570  }
1571  ~NSOverride();
1572  };
1573 
1578  const SharedNumberFormat **fSharedNumberFormatters;
1579 
1580  UBool fHaveDefaultCentury;
1581 
1582  BreakIterator* fCapitalizationBrkIter;
1583 };
1584 
1585 inline UDate
1586 SimpleDateFormat::get2DigitYearStart(UErrorCode& /*status*/) const
1587 {
1588  return fDefaultCenturyStart;
1589 }
1590 
1592 
1593 #endif /* #if !UCONFIG_NO_FORMATTING */
1594 
1595 #endif // _SMPDTFMT
1596 //eof