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1 // Copyright 2014 PDFium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
6 | |
7 #ifndef XFA_SRC_FEE_FX_WORDBREAK_FX_WORDBREAK_IMPL_H_ | |
8 #define XFA_SRC_FEE_FX_WORDBREAK_FX_WORDBREAK_IMPL_H_ | |
9 | |
10 #include <cstdint> | |
11 | |
12 #include "core/include/fxcrt/fx_string.h" | |
13 #include "core/include/fxcrt/fx_system.h" | |
14 #include "xfa/src/fee/fx_wordbreak/fx_wordbreak.h" | |
15 #include "xfa/src/fee/fx_wordbreak/fx_wordbreak_impl.h" | |
16 #include "xfa/src/fee/ifde_txtedtengine.h" | |
17 | |
18 extern const FX_WORD gs_FX_WordBreak_Table[16]; | |
19 extern const uint8_t gs_FX_WordBreak_CodePointProperties[(0xFFFF - 1) / 2 + 1]; | |
20 enum FX_WordBreakProp { | |
21 FX_WordBreakProp_None = 0, | |
22 FX_WordBreakProp_CR, | |
23 FX_WordBreakProp_LF, | |
24 FX_WordBreakProp_NewLine, | |
25 FX_WordBreakProp_Extend, | |
26 FX_WordBreakProp_Format, | |
27 FX_WordBreakProp_KataKana, | |
28 FX_WordBreakProp_ALetter, | |
29 FX_WordBreakProp_MidLetter, | |
30 FX_WordBreakProp_MidNum, | |
31 FX_WordBreakProp_MidNumLet, | |
32 FX_WordBreakProp_Numberic, | |
33 FX_WordBreakProp_ExtendNumLet, | |
34 }; | |
35 FX_WordBreakProp FX_GetWordBreakProperty(FX_WCHAR wcCodePoint); | |
36 class CFX_CharIter : public IFX_CharIter { | |
37 public: | |
38 CFX_CharIter(const CFX_WideString& wsText); | |
39 virtual void Release(); | |
40 virtual FX_BOOL Next(FX_BOOL bPrev = FALSE); | |
41 virtual FX_WCHAR GetChar(); | |
42 virtual void SetAt(int32_t nIndex); | |
43 virtual int32_t GetAt() const; | |
44 virtual FX_BOOL IsEOF(FX_BOOL bTail = TRUE) const; | |
45 virtual IFX_CharIter* Clone(); | |
46 | |
47 protected: | |
48 ~CFX_CharIter(); | |
49 | |
50 private: | |
51 const CFX_WideString& m_wsText; | |
52 int32_t m_nIndex; | |
53 }; | |
54 class CFX_WordBreak : public IFX_WordBreak { | |
55 public: | |
56 CFX_WordBreak(); | |
57 virtual void Release(); | |
58 virtual void Attach(IFX_CharIter* pIter); | |
59 virtual void Attach(const CFX_WideString& wsText); | |
60 virtual FX_BOOL Next(FX_BOOL bPrev); | |
61 virtual void SetAt(int32_t nIndex); | |
62 virtual int32_t GetWordPos() const; | |
63 virtual int32_t GetWordLength() const; | |
64 virtual void GetWord(CFX_WideString& wsWord) const; | |
65 virtual FX_BOOL IsEOF(FX_BOOL bTail) const; | |
66 | |
67 protected: | |
68 ~CFX_WordBreak(); | |
69 FX_BOOL FindNextBreakPos(IFX_CharIter* pIter, | |
70 FX_BOOL bPrev, | |
71 FX_BOOL bFromNext = TRUE); | |
72 | |
73 private: | |
74 IFX_CharIter* m_pPreIter; | |
75 IFX_CharIter* m_pCurIter; | |
76 }; | |
77 | |
78 #endif // XFA_SRC_FEE_FX_WORDBREAK_FX_WORDBREAK_IMPL_H_ | |
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