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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef XFA_FEE_FX_WORDBREAK_FX_WORDBREAK_H_
#define XFA_FEE_FX_WORDBREAK_FX_WORDBREAK_H_
#include "core/fxcrt/include/fx_string.h"
#include "core/fxcrt/include/fx_system.h"
#include "xfa/fee/ifde_txtedtengine.h"
class CFX_CharIter : public IFX_CharIter {
public:
CFX_CharIter(const CFX_WideString& wsText);
virtual void Release();
virtual FX_BOOL Next(FX_BOOL bPrev = FALSE);
virtual FX_WCHAR GetChar();
virtual void SetAt(int32_t nIndex);
virtual int32_t GetAt() const;
virtual FX_BOOL IsEOF(FX_BOOL bTail = TRUE) const;
virtual IFX_CharIter* Clone();
protected:
~CFX_CharIter();
private:
const CFX_WideString& m_wsText;
int32_t m_nIndex;
};
class CFX_WordBreak {
public:
CFX_WordBreak();
void Release();
void Attach(IFX_CharIter* pIter);
void Attach(const CFX_WideString& wsText);
FX_BOOL Next(FX_BOOL bPrev);
void SetAt(int32_t nIndex);
int32_t GetWordPos() const;
int32_t GetWordLength() const;
void GetWord(CFX_WideString& wsWord) const;
FX_BOOL IsEOF(FX_BOOL bTail) const;
protected:
~CFX_WordBreak();
FX_BOOL FindNextBreakPos(IFX_CharIter* pIter,
FX_BOOL bPrev,
FX_BOOL bFromNext = TRUE);
private:
IFX_CharIter* m_pPreIter;
IFX_CharIter* m_pCurIter;
};
#endif // XFA_FEE_FX_WORDBREAK_FX_WORDBREAK_H_
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