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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
00036
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
00215 virtual int32_t first(void) = 0;
00216
00222 virtual int32_t last(void) = 0;
00223
00230 virtual int32_t previous(void) = 0;
00231
00238 virtual int32_t next(void) = 0;
00239
00245 virtual int32_t current(void) const = 0;
00246
00255 virtual int32_t following(int32_t offset) = 0;
00256
00265 virtual int32_t preceding(int32_t offset) = 0;
00266
00275 virtual UBool isBoundary(int32_t offset) = 0;
00276
00286 virtual int32_t next(int32_t n) = 0;
00287
00307 static BreakIterator* U_EXPORT2
00308 createWordInstance(const Locale& where, UErrorCode& status);
00309
00331 static BreakIterator* U_EXPORT2
00332 createLineInstance(const Locale& where, UErrorCode& status);
00333
00353 static BreakIterator* U_EXPORT2
00354 createCharacterInstance(const Locale& where, UErrorCode& status);
00355
00374 static BreakIterator* U_EXPORT2
00375 createSentenceInstance(const Locale& where, UErrorCode& status);
00376
00399 static BreakIterator* U_EXPORT2
00400 createTitleInstance(const Locale& where, UErrorCode& status);
00401
00411 static const Locale* U_EXPORT2 getAvailableLocales(int32_t& count);
00412
00422 static UnicodeString& U_EXPORT2 getDisplayName(const Locale& objectLocale,
00423 const Locale& displayLocale,
00424 UnicodeString& name);
00425
00434 static UnicodeString& U_EXPORT2 getDisplayName(const Locale& objectLocale,
00435 UnicodeString& name);
00436
00454 virtual BreakIterator * createBufferClone(void *stackBuffer,
00455 int32_t &BufferSize,
00456 UErrorCode &status) = 0;
00457
00464 inline UBool isBufferClone(void);
00465
00466 #if !UCONFIG_NO_SERVICE
00467
00479 static URegistryKey U_EXPORT2 registerInstance(BreakIterator* toAdopt,
00480 const Locale& locale,
00481 UBreakIteratorType kind,
00482 UErrorCode& status);
00483
00493 static UBool U_EXPORT2 unregister(URegistryKey key, UErrorCode& status);
00494
00501 static StringEnumeration* U_EXPORT2 getAvailableLocales(void);
00502 #endif
00503
00509 Locale getLocale(ULocDataLocaleType type, UErrorCode& status) const;
00510
00511 #ifndef U_HIDE_INTERNAL_API
00512
00518 const char *getLocaleID(ULocDataLocaleType type, UErrorCode& status) const;
00519 #endif
00520
00546 virtual BreakIterator &refreshInputText(UText *input, UErrorCode &status) = 0;
00547
00548 private:
00549 static BreakIterator* buildInstance(const Locale& loc, const char *type, int32_t kind, UErrorCode& status);
00550 static BreakIterator* createInstance(const Locale& loc, int32_t kind, UErrorCode& status);
00551 static BreakIterator* makeInstance(const Locale& loc, int32_t kind, UErrorCode& status);
00552
00553 friend class ICUBreakIteratorFactory;
00554 friend class ICUBreakIteratorService;
00555
00556 protected:
00557
00558
00560 BreakIterator();
00562 UBool fBufferClone;
00564 BreakIterator (const BreakIterator &other) : UObject(other), fBufferClone(FALSE) {}
00565
00566 private:
00567
00569 char actualLocale[ULOC_FULLNAME_CAPACITY];
00570 char validLocale[ULOC_FULLNAME_CAPACITY];
00571
00576 BreakIterator& operator=(const BreakIterator&);
00577 };
00578
00579 inline UBool BreakIterator::isBufferClone()
00580 {
00581 return fBufferClone;
00582 }
00583
00584 U_NAMESPACE_END
00585
00586 #endif
00587
00588 #endif // _BRKITER
00589
00590