ICU 4.8.1.1
4.8.1.1
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00001 /* 00002 ******************************************************************************** 00003 * Copyright (C) 1997-2010, International Business Machines 00004 * Corporation and others. All Rights Reserved. 00005 ******************************************************************************** 00006 * 00007 * File brkiter.h 00008 * 00009 * Modification History: 00010 * 00011 * Date Name Description 00012 * 02/18/97 aliu Added typedef for TextCount. Made DONE const. 00013 * 05/07/97 aliu Fixed DLL declaration. 00014 * 07/09/97 jfitz Renamed BreakIterator and interface synced with JDK 00015 * 08/11/98 helena Sync-up JDK1.2. 00016 * 01/13/2000 helena Added UErrorCode parameter to createXXXInstance methods. 00017 ******************************************************************************** 00018 */ 00019 00020 #ifndef BRKITER_H 00021 #define BRKITER_H 00022 00023 #include "unicode/utypes.h" 00024 00030 #if UCONFIG_NO_BREAK_ITERATION 00031 00032 U_NAMESPACE_BEGIN 00033 00034 /* 00035 * Allow the declaration of APIs with pointers to BreakIterator 00036 * even when break iteration is removed from the build. 00037 */ 00038 class BreakIterator; 00039 00040 U_NAMESPACE_END 00041 00042 #else 00043 00044 #include "unicode/uobject.h" 00045 #include "unicode/unistr.h" 00046 #include "unicode/chariter.h" 00047 #include "unicode/locid.h" 00048 #include "unicode/ubrk.h" 00049 #include "unicode/strenum.h" 00050 #include "unicode/utext.h" 00051 #include "unicode/umisc.h" 00052 00053 U_NAMESPACE_BEGIN 00054 00100 class U_COMMON_API BreakIterator : public UObject { 00101 public: 00106 virtual ~BreakIterator(); 00107 00121 virtual UBool operator==(const BreakIterator&) const = 0; 00122 00129 UBool operator!=(const BreakIterator& rhs) const { return !operator==(rhs); } 00130 00136 virtual BreakIterator* clone(void) const = 0; 00137 00143 virtual UClassID getDynamicClassID(void) const = 0; 00144 00149 virtual CharacterIterator& getText(void) const = 0; 00150 00151 00166 virtual UText *getUText(UText *fillIn, UErrorCode &status) const = 0; 00167 00174 virtual void setText(const UnicodeString &text) = 0; 00175 00189 virtual void setText(UText *text, UErrorCode &status) = 0; 00190 00199 virtual void adoptText(CharacterIterator* it) = 0; 00200 00201 enum { 00207 DONE = (int32_t)-1 00208 }; 00209 00214 virtual int32_t first(void) = 0; 00215 00220 virtual int32_t last(void) = 0; 00221 00228 virtual int32_t previous(void) = 0; 00229 00236 virtual int32_t next(void) = 0; 00237 00243 virtual int32_t current(void) const = 0; 00244 00253 virtual int32_t following(int32_t offset) = 0; 00254 00263 virtual int32_t preceding(int32_t offset) = 0; 00264 00273 virtual UBool isBoundary(int32_t offset) = 0; 00274 00284 virtual int32_t next(int32_t n) = 0; 00285 00305 static BreakIterator* U_EXPORT2 00306 createWordInstance(const Locale& where, UErrorCode& status); 00307 00329 static BreakIterator* U_EXPORT2 00330 createLineInstance(const Locale& where, UErrorCode& status); 00331 00351 static BreakIterator* U_EXPORT2 00352 createCharacterInstance(const Locale& where, UErrorCode& status); 00353 00372 static BreakIterator* U_EXPORT2 00373 createSentenceInstance(const Locale& where, UErrorCode& status); 00374 00397 static BreakIterator* U_EXPORT2 00398 createTitleInstance(const Locale& where, UErrorCode& status); 00399 00409 static const Locale* U_EXPORT2 getAvailableLocales(int32_t& count); 00410 00420 static UnicodeString& U_EXPORT2 getDisplayName(const Locale& objectLocale, 00421 const Locale& displayLocale, 00422 UnicodeString& name); 00423 00432 static UnicodeString& U_EXPORT2 getDisplayName(const Locale& objectLocale, 00433 UnicodeString& name); 00434 00452 virtual BreakIterator * createBufferClone(void *stackBuffer, 00453 int32_t &BufferSize, 00454 UErrorCode &status) = 0; 00455 00462 inline UBool isBufferClone(void); 00463 00464 #if !UCONFIG_NO_SERVICE 00465 00477 static URegistryKey U_EXPORT2 registerInstance(BreakIterator* toAdopt, 00478 const Locale& locale, 00479 UBreakIteratorType kind, 00480 UErrorCode& status); 00481 00491 static UBool U_EXPORT2 unregister(URegistryKey key, UErrorCode& status); 00492 00499 static StringEnumeration* U_EXPORT2 getAvailableLocales(void); 00500 #endif 00501 00507 Locale getLocale(ULocDataLocaleType type, UErrorCode& status) const; 00508 00515 const char *getLocaleID(ULocDataLocaleType type, UErrorCode& status) const; 00516 00517 private: 00518 static BreakIterator* buildInstance(const Locale& loc, const char *type, int32_t kind, UErrorCode& status); 00519 static BreakIterator* createInstance(const Locale& loc, int32_t kind, UErrorCode& status); 00520 static BreakIterator* makeInstance(const Locale& loc, int32_t kind, UErrorCode& status); 00521 00522 friend class ICUBreakIteratorFactory; 00523 friend class ICUBreakIteratorService; 00524 00525 protected: 00527 BreakIterator(); 00529 UBool fBufferClone; 00531 BreakIterator (const BreakIterator &other) : UObject(other), fBufferClone(FALSE) {} 00532 00533 private: 00534 00536 char actualLocale[ULOC_FULLNAME_CAPACITY]; 00537 char validLocale[ULOC_FULLNAME_CAPACITY]; 00538 00543 BreakIterator& operator=(const BreakIterator&); 00544 }; 00545 00546 inline UBool BreakIterator::isBufferClone() 00547 { 00548 return fBufferClone; 00549 } 00550 00551 U_NAMESPACE_END 00552 00553 #endif /* #if !UCONFIG_NO_BREAK_ITERATION */ 00554 00555 #endif // _BRKITER 00556 //eof 00557