// 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 _FX_WORDBREAK_IMPL_H | |
#define _FX_WORDBREAK_IMPL_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 |