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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_SRC_FEE_FX_WORDBREAK_FX_WORDBREAK_IMPL_H_
#define XFA_SRC_FEE_FX_WORDBREAK_FX_WORDBREAK_IMPL_H_
#include <cstdint>
#include "core/include/fxcrt/fx_string.h"
#include "core/include/fxcrt/fx_system.h"
#include "xfa/src/fee/fx_wordbreak/fx_wordbreak.h"
#include "xfa/src/fee/fx_wordbreak/fx_wordbreak_impl.h"
#include "xfa/src/fee/ifde_txtedtengine.h"
extern const FX_WORD gs_FX_WordBreak_Table[16];
extern const uint8_t gs_FX_WordBreak_CodePointProperties[(0xFFFF - 1) / 2 + 1];
enum FX_WordBreakProp {
FX_WordBreakProp_None = 0,
FX_WordBreakProp_CR,
FX_WordBreakProp_LF,
FX_WordBreakProp_NewLine,
FX_WordBreakProp_Extend,
FX_WordBreakProp_Format,
FX_WordBreakProp_KataKana,
FX_WordBreakProp_ALetter,
FX_WordBreakProp_MidLetter,
FX_WordBreakProp_MidNum,
FX_WordBreakProp_MidNumLet,
FX_WordBreakProp_Numberic,
FX_WordBreakProp_ExtendNumLet,
};
FX_WordBreakProp FX_GetWordBreakProperty(FX_WCHAR wcCodePoint);
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 IFX_WordBreak {
public:
CFX_WordBreak();
virtual void Release();
virtual void Attach(IFX_CharIter* pIter);
virtual void Attach(const CFX_WideString& wsText);
virtual FX_BOOL Next(FX_BOOL bPrev);
virtual void SetAt(int32_t nIndex);
virtual int32_t GetWordPos() const;
virtual int32_t GetWordLength() const;
virtual void GetWord(CFX_WideString& wsWord) const;
virtual 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_SRC_FEE_FX_WORDBREAK_FX_WORDBREAK_IMPL_H_
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