ICU 50.1.2  50.1.2
dtptngen.h
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1 /*
2 *******************************************************************************
3 * Copyright (C) 2007-2011, International Business Machines Corporation and
4 * others. All Rights Reserved.
5 *******************************************************************************
6 *
7 * File DTPTNGEN.H
8 *
9 *******************************************************************************
10 */
11 
12 #ifndef __DTPTNGEN_H__
13 #define __DTPTNGEN_H__
14 
15 #include "unicode/datefmt.h"
16 #include "unicode/locid.h"
17 #include "unicode/udat.h"
18 #include "unicode/udatpg.h"
19 
21 
28 class Hashtable;
29 class FormatParser;
30 class DateTimeMatcher;
31 class DistanceInfo;
32 class PatternMap;
33 class PtnSkeleton;
34 
50 public:
57  static DateTimePatternGenerator* U_EXPORT2 createInstance(UErrorCode& status);
58 
66  static DateTimePatternGenerator* U_EXPORT2 createInstance(const Locale& uLocale, UErrorCode& status);
67 
74  static DateTimePatternGenerator* U_EXPORT2 createEmptyInstance(UErrorCode& status);
75 
80  virtual ~DateTimePatternGenerator();
81 
87  DateTimePatternGenerator* clone() const;
88 
96  UBool operator==(const DateTimePatternGenerator& other) const;
97 
105  UBool operator!=(const DateTimePatternGenerator& other) const;
106 
117  UnicodeString getSkeleton(const UnicodeString& pattern, UErrorCode& status);
118 
132  UnicodeString getBaseSkeleton(const UnicodeString& pattern, UErrorCode& status);
133 
154  UDateTimePatternConflict addPattern(const UnicodeString& pattern,
155  UBool override,
156  UnicodeString& conflictingPattern,
157  UErrorCode& status);
158 
177  void setAppendItemFormat(UDateTimePatternField field, const UnicodeString& value);
178 
187  const UnicodeString& getAppendItemFormat(UDateTimePatternField field) const;
188 
200  void setAppendItemName(UDateTimePatternField field, const UnicodeString& value);
201 
210  const UnicodeString& getAppendItemName(UDateTimePatternField field) const;
211 
231  void setDateTimeFormat(const UnicodeString& dateTimeFormat);
232 
238  const UnicodeString& getDateTimeFormat() const;
239 
253  UnicodeString getBestPattern(const UnicodeString& skeleton, UErrorCode& status);
254 
255 
275  UnicodeString getBestPattern(const UnicodeString& skeleton,
277  UErrorCode& status);
278 
279 
296  UnicodeString replaceFieldTypes(const UnicodeString& pattern,
297  const UnicodeString& skeleton,
298  UErrorCode& status);
299 
322  UnicodeString replaceFieldTypes(const UnicodeString& pattern,
323  const UnicodeString& skeleton,
325  UErrorCode& status);
326 
338  StringEnumeration* getSkeletons(UErrorCode& status) const;
339 
346  const UnicodeString& getPatternForSkeleton(const UnicodeString& skeleton) const;
347 
357  StringEnumeration* getBaseSkeletons(UErrorCode& status) const;
358 
359 #ifndef U_HIDE_INTERNAL_API
360 
372  StringEnumeration* getRedundants(UErrorCode& status);
373 #endif /* U_HIDE_INTERNAL_API */
374 
386  void setDecimal(const UnicodeString& decimal);
387 
393  const UnicodeString& getDecimal() const;
394 
400  virtual UClassID getDynamicClassID() const;
401 
407  static UClassID U_EXPORT2 getStaticClassID(void);
408 
409 private:
415 
420  DateTimePatternGenerator(const Locale& locale, UErrorCode & status);
421 
428 
434  DateTimePatternGenerator& operator=(const DateTimePatternGenerator& other);
435 
436  Locale pLocale; // pattern locale
437  FormatParser *fp;
438  DateTimeMatcher* dtMatcher;
439  DistanceInfo *distanceInfo;
440  PatternMap *patternMap;
441  UnicodeString appendItemFormats[UDATPG_FIELD_COUNT];
442  UnicodeString appendItemNames[UDATPG_FIELD_COUNT];
443  UnicodeString dateTimeFormat;
444  UnicodeString decimal;
445  DateTimeMatcher *skipMatcher;
446  Hashtable *fAvailableFormatKeyHash;
447  UnicodeString hackPattern;
448  UnicodeString emptyString;
449  UChar fDefaultHourFormatChar;
450 
451  void initData(const Locale &locale, UErrorCode &status);
452  void addCanonicalItems();
453  void addICUPatterns(const Locale& locale, UErrorCode& status);
454  void hackTimes(const UnicodeString& hackPattern, UErrorCode& status);
455  void addCLDRData(const Locale& locale, UErrorCode& status);
456  UDateTimePatternConflict addPatternWithSkeleton(const UnicodeString& pattern, const UnicodeString * skeletonToUse, UBool override, UnicodeString& conflictingPattern, UErrorCode& status);
457  void initHashtable(UErrorCode& status);
458  void setDateTimeFromCalendar(const Locale& locale, UErrorCode& status);
459  void setDecimalSymbols(const Locale& locale, UErrorCode& status);
460  UDateTimePatternField getAppendFormatNumber(const char* field) const;
461  UDateTimePatternField getAppendNameNumber(const char* field) const;
462  void getAppendName(UDateTimePatternField field, UnicodeString& value);
463  int32_t getCanonicalIndex(const UnicodeString& field);
464  const UnicodeString* getBestRaw(DateTimeMatcher& source, int32_t includeMask, DistanceInfo* missingFields, const PtnSkeleton** specifiedSkeletonPtr = 0);
465  UnicodeString adjustFieldTypes(const UnicodeString& pattern, const PtnSkeleton* specifiedSkeleton, UBool fixFractionalSeconds, UDateTimePatternMatchOptions options = UDATPG_MATCH_NO_OPTIONS);
466  UnicodeString getBestAppending(int32_t missingFields, UDateTimePatternMatchOptions options = UDATPG_MATCH_NO_OPTIONS);
467  int32_t getTopBitNumber(int32_t foundMask);
468  void setAvailableFormat(const UnicodeString &key, UErrorCode& status);
469  UBool isAvailableFormatSet(const UnicodeString &key) const;
470  void copyHashtable(Hashtable *other, UErrorCode &status);
471  UBool isCanonicalItem(const UnicodeString& item) const;
472 } ;// end class DateTimePatternGenerator
473 
475 
476 #endif
This class provides flexible generation of date format patterns, like "yy-MM-dd". ...
Definition: dtptngen.h:49
virtual UClassID getDynamicClassID() const =0
ICU4C "poor man's RTTI", returns a UClassID for the actual ICU class.
U_EXPORT UBool operator==(const StringPiece &x, const StringPiece &y)
Global operator == for StringPiece.
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition: uobject.h:96
Base class for 'pure' C++ implementations of uenum api.
Definition: strenum.h:55
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside...
Definition: utypes.h:358
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:129
C API: Wrapper for icu::DateTimePatternGenerator (unicode/dtptngen.h).
UBool operator!=(const StringPiece &x, const StringPiece &y)
Global operator != for StringPiece.
Definition: stringpiece.h:218
C API: DateFormat.
UDateTimePatternConflict
Status return values from udatpg_addPattern().
Definition: udatpg.h:116
uint16_t UChar
Define UChar to be UCHAR_TYPE, if that is #defined (for example, to char16_t), or wchar_t if that is ...
Definition: umachine.h:278
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:130
UDateTimePatternField
Field number constants for udatpg_getAppendItemFormats() and similar functions.
Definition: udatpg.h:53
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:476
C++ API: Abstract class for converting dates.
C++ API: Locale ID object.
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:246
UObject is the common ICU "boilerplate" class.
Definition: uobject.h:229
UDateTimePatternMatchOptions
Masks to control forcing the length of specified fields in the returned pattern to match those in the...
Definition: udatpg.h:97
int8_t UBool
The ICU boolean type.
Definition: umachine.h:200
A Locale object represents a specific geographical, political, or cultural region.
Definition: locid.h:182