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uchriter.h

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00001 /*
00002 **********************************************************************
00003 *   Copyright (C) 1998-2001, International Business Machines
00004 *   Corporation and others.  All Rights Reserved.
00005 **********************************************************************
00006 */
00007 
00008 #ifndef UCHRITER_H
00009 #define UCHRITER_H
00010 
00011 #include "unicode/utypes.h"
00012 #include "unicode/chariter.h"
00013 
00014 
00026 class U_COMMON_API UCharCharacterIterator : public CharacterIterator {
00027 public:
00035   UCharCharacterIterator(const UChar* textPtr, int32_t length);
00036 
00047   UCharCharacterIterator(const UChar* textPtr, int32_t length,
00048                          UTextOffset position);
00049 
00061   UCharCharacterIterator(const UChar* textPtr, int32_t length,
00062                          UTextOffset textBegin,
00063                          UTextOffset textEnd,
00064                          UTextOffset position);
00065 
00072   UCharCharacterIterator(const UCharCharacterIterator&  that);
00073 
00078   ~UCharCharacterIterator();
00079 
00086   UCharCharacterIterator&
00087   operator=(const UCharCharacterIterator&    that);
00088 
00094   virtual UBool          operator==(const ForwardCharacterIterator& that) const;
00095 
00100   virtual int32_t         hashCode(void) const;
00101 
00108   virtual CharacterIterator* clone(void) const;
00109                                 
00116   virtual UChar         first(void);
00117 
00125   virtual UChar         firstPostInc(void);
00126 
00135   virtual UChar32       first32(void);
00136 
00144   virtual UChar32       first32PostInc(void);
00145 
00152   virtual UChar         last(void);
00153 
00160   virtual UChar32       last32(void);
00161 
00168   virtual UChar         setIndex(UTextOffset position);
00169 
00179   virtual UChar32       setIndex32(UTextOffset position);
00180 
00185   virtual UChar         current(void) const;
00186 
00191   virtual UChar32       current32(void) const;
00192 
00199   virtual UChar         next(void);
00200 
00208   virtual UChar         nextPostInc(void);
00209         
00219   virtual UChar32       next32(void);
00220 
00228   virtual UChar32       next32PostInc(void);
00229         
00236   virtual UBool        hasNext();
00237 
00244   virtual UChar         previous(void);
00245 
00252   virtual UChar32       previous32(void);
00253 
00260   virtual UBool        hasPrevious();
00261 
00269   virtual UTextOffset      move(int32_t delta, EOrigin origin);
00270 
00278   virtual UTextOffset      move32(int32_t delta, EOrigin origin);
00279 
00284   void setText(const UChar* newText, int32_t newTextLength);
00285   
00293   virtual void            getText(UnicodeString& result);
00294 
00299   virtual UClassID         getDynamicClassID(void) const 
00300     { return getStaticClassID(); }
00301 
00306   static UClassID          getStaticClassID(void) 
00307     { return (UClassID)(&fgClassID); }
00308 
00309 protected:
00310   UCharCharacterIterator();
00311         
00312   const UChar*            text;
00313 
00314   static char             fgClassID;
00315 };
00316 
00317 #endif

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