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"
 
#if U_SHOW_CPLUSPLUS_API
 
#include "unicode/chariter.h"

 
U_NAMESPACE_BEGIN

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

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

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

  UCharCharacterIterator(const UCharCharacterIterator&  that);

  virtual ~UCharCharacterIterator();

  UCharCharacterIterator& operator=(const UCharCharacterIterator& that) U_LIFETIME_BOUND;

  virtual bool           operator==(const ForwardCharacterIterator& that) const override;

  virtual int32_t hashCode() const override;

  virtual UCharCharacterIterator* clone() const override;

  virtual char16_t first() override;

  virtual char16_t firstPostInc() override;

  virtual UChar32 first32() override;

  virtual UChar32 first32PostInc() override;

  virtual char16_t last() override;

  virtual UChar32 last32() override;

  virtual char16_t         setIndex(int32_t position) override;

  virtual UChar32       setIndex32(int32_t position) override;

  virtual char16_t current() const override;

  virtual UChar32 current32() const override;

  virtual char16_t next() override;

  virtual char16_t nextPostInc() override;

  virtual UChar32 next32() override;

  virtual UChar32 next32PostInc() override;

  virtual UBool        hasNext() override;

  virtual char16_t previous() override;

  virtual UChar32 previous32() override;

  virtual UBool        hasPrevious() override;

  virtual int32_t      move(int32_t delta, EOrigin origin) override;

#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) override;

  void setText(ConstChar16Ptr newText, int32_t newTextLength);

  virtual void            getText(UnicodeString& result) override;

  static UClassID U_EXPORT2 getStaticClassID();

  virtual UClassID getDynamicClassID() const override;
 
protected:
  UCharCharacterIterator();
  const char16_t*            text;
 
};
 
U_NAMESPACE_END
 
#endif /* U_SHOW_CPLUSPLUS_API */
 
#endif