uchriter.h

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
*   Copyright (C) 1998-2005, International Business Machines
*   Corporation and others.  All Rights Reserved.
**********************************************************************
*/

#ifndef UCHRITER_H
#define UCHRITER_H

#include "unicode/utypes.h"
#include "unicode/chariter.h"

U_NAMESPACE_BEGIN

class U_COMMON_API UCharCharacterIterator : public CharacterIterator {
public:
  UCharCharacterIterator(ConstChar16Ptr textPtr, int32_t length);

  UCharCharacterIterator(ConstChar16Ptr textPtr, int32_t length,
                         int32_t position);

  UCharCharacterIterator(ConstChar16Ptr textPtr, int32_t length,
                         int32_t textBegin,
                         int32_t textEnd,
                         int32_t position);

  UCharCharacterIterator(const UCharCharacterIterator&  that);

  virtual ~UCharCharacterIterator();

  UCharCharacterIterator&
  operator=(const UCharCharacterIterator&    that);

  virtual UBool          operator==(const ForwardCharacterIterator& that) const;

  virtual int32_t         hashCode(void) const;

  virtual CharacterIterator* clone(void) const;

  virtual char16_t         first(void);

  virtual char16_t         firstPostInc(void);

  virtual UChar32       first32(void);

  virtual UChar32       first32PostInc(void);

  virtual char16_t         last(void);

  virtual UChar32       last32(void);

  virtual char16_t         setIndex(int32_t position);

  virtual UChar32       setIndex32(int32_t position);

  virtual char16_t         current(void) const;

  virtual UChar32       current32(void) const;

  virtual char16_t         next(void);

  virtual char16_t         nextPostInc(void);

  virtual UChar32       next32(void);

  virtual UChar32       next32PostInc(void);

  virtual UBool        hasNext();

  virtual char16_t         previous(void);

  virtual UChar32       previous32(void);

  virtual UBool        hasPrevious();

  virtual int32_t      move(int32_t delta, EOrigin origin);

#ifdef move32
   // One of the system headers right now is sometimes defining a conflicting macro we don't use
#undef move32
#endif
  virtual int32_t      move32(int32_t delta, EOrigin origin);

  void setText(ConstChar16Ptr newText, int32_t newTextLength);

  virtual void            getText(UnicodeString& result);

  static UClassID         U_EXPORT2 getStaticClassID(void);

  virtual UClassID        getDynamicClassID(void) const;

protected:
  UCharCharacterIterator();
  const char16_t*            text;

};

U_NAMESPACE_END
#endif

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