| // 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 CORE_SRC_FPDFTEXT_TEXT_INT_H_ |
| #define CORE_SRC_FPDFTEXT_TEXT_INT_H_ |
| |
| class CPDF_TextPage; |
| class CPDF_LinkExtract; |
| class CPDF_TextPageFind; |
| class CPDF_DocProgressiveSearch; |
| #define FPDFTEXT_CHAR_ERROR -1 |
| #define FPDFTEXT_CHAR_NORMAL 0 |
| #define FPDFTEXT_CHAR_GENERATED 1 |
| #define FPDFTEXT_CHAR_UNUNICODE 2 |
| #define FPDFTEXT_CHAR_HYPHEN 3 |
| #define FPDFTEXT_CHAR_PIECE 4 |
| #define FPDFTEXT_MC_PASS 0 |
| #define FPDFTEXT_MC_DONE 1 |
| #define FPDFTEXT_MC_DELAY 2 |
| typedef struct _PAGECHAR_INFO { |
| int m_CharCode; |
| FX_WCHAR m_Unicode; |
| FX_FLOAT m_OriginX; |
| FX_FLOAT m_OriginY; |
| int32_t m_Flag; |
| CFX_FloatRect m_CharBox; |
| CPDF_TextObject* m_pTextObj; |
| CFX_AffineMatrix m_Matrix; |
| int m_Index; |
| } PAGECHAR_INFO; |
| typedef CFX_SegmentedArray<PAGECHAR_INFO> PAGECHAR_InfoArray; |
| typedef struct { |
| int m_Start; |
| int m_nCount; |
| } FPDF_SEGMENT; |
| typedef CFX_ArrayTemplate<FPDF_SEGMENT> SEGMENT_Array; |
| typedef struct { |
| CPDF_TextObject* m_pTextObj; |
| CFX_AffineMatrix m_formMatrix; |
| } PDFTEXT_Obj; |
| typedef CFX_ArrayTemplate<PDFTEXT_Obj> LINEOBJ; |
| class CPDF_TextPage: public IPDF_TextPage |
| { |
| public: |
| CPDF_TextPage(const CPDF_Page* pPage, int flags = 0); |
| CPDF_TextPage(const CPDF_PageObjects* pPage, int flags = 0); |
| CPDF_TextPage(const CPDF_Page* pPage, CPDFText_ParseOptions ParserOptions); |
| virtual FX_BOOL ParseTextPage(); |
| virtual void NormalizeObjects(FX_BOOL bNormalize); |
| virtual FX_BOOL IsParsered() const |
| { |
| return m_IsParsered; |
| } |
| virtual ~CPDF_TextPage() {}; |
| public: |
| virtual int CharIndexFromTextIndex(int TextIndex)const ; |
| virtual int TextIndexFromCharIndex(int CharIndex)const; |
| virtual int CountChars() const; |
| virtual void GetCharInfo(int index, FPDF_CHAR_INFO & info) const; |
| virtual void GetRectArray(int start, int nCount, CFX_RectArray& rectArray) const; |
| virtual int GetIndexAtPos(CPDF_Point point, FX_FLOAT xTorelance, FX_FLOAT yTorelance) const; |
| virtual int GetIndexAtPos(FX_FLOAT x, FX_FLOAT y, FX_FLOAT xTorelance, |
| FX_FLOAT yTorelance) const; |
| virtual CFX_WideString GetTextByRect(const CFX_FloatRect& rect) const; |
| virtual void GetRectsArrayByRect(const CFX_FloatRect& rect, CFX_RectArray& resRectArray) const; |
| virtual CFX_WideString GetPageText(int start = 0, int nCount = -1) const; |
| |
| virtual int CountRects(int start, int nCount); |
| virtual void GetRect(int rectIndex, FX_FLOAT& left, FX_FLOAT& top |
| , FX_FLOAT& right, FX_FLOAT &bottom) const; |
| virtual FX_BOOL GetBaselineRotate(int rectIndex, int& Rotate); |
| virtual FX_BOOL GetBaselineRotate(const CFX_FloatRect& rect, int& Rotate); |
| virtual int CountBoundedSegments(FX_FLOAT left, FX_FLOAT top, |
| FX_FLOAT right, FX_FLOAT bottom, FX_BOOL bContains = FALSE); |
| virtual void GetBoundedSegment(int index, int& start, int& count) const; |
| virtual int GetWordBreak(int index, int direction) const; |
| public: |
| const PAGECHAR_InfoArray* GetCharList() const |
| { |
| return &m_charList; |
| } |
| static FX_BOOL IsRectIntersect(const CFX_FloatRect& rect1, const CFX_FloatRect& rect2); |
| static FX_BOOL IsLetter(FX_WCHAR unicode); |
| private: |
| FX_BOOL IsHyphen(FX_WCHAR curChar); |
| bool IsControlChar(const PAGECHAR_INFO& charInfo); |
| FX_BOOL GetBaselineRotate(int start, int end, int& Rotate); |
| void ProcessObject(); |
| void ProcessFormObject(CPDF_FormObject* pFormObj, const CFX_AffineMatrix& formMatrix); |
| void ProcessTextObject(PDFTEXT_Obj pObj); |
| void ProcessTextObject(CPDF_TextObject* pTextObj, const CFX_AffineMatrix& formMatrix, FX_POSITION ObjPos); |
| int ProcessInsertObject(const CPDF_TextObject* pObj, const CFX_AffineMatrix& formMatrix); |
| FX_BOOL GenerateCharInfo(FX_WCHAR unicode, PAGECHAR_INFO& info); |
| FX_BOOL IsSameAsPreTextObject(CPDF_TextObject* pTextObj, FX_POSITION ObjPos); |
| FX_BOOL IsSameTextObject(CPDF_TextObject* pTextObj1, CPDF_TextObject* pTextObj2); |
| int GetCharWidth(FX_DWORD charCode, CPDF_Font* pFont) const; |
| void CloseTempLine(); |
| void OnPiece(IFX_BidiChar* pBidi, CFX_WideString& str); |
| int32_t PreMarkedContent(PDFTEXT_Obj pObj); |
| void ProcessMarkedContent(PDFTEXT_Obj pObj); |
| void CheckMarkedContentObject(int32_t& start, int32_t& nCount) const; |
| void FindPreviousTextObject(void); |
| void AddCharInfoByLRDirection(CFX_WideString& str, int i); |
| void AddCharInfoByRLDirection(CFX_WideString& str, int i); |
| int32_t GetTextObjectWritingMode(const CPDF_TextObject* pTextObj); |
| int32_t FindTextlineFlowDirection(); |
| void SwapTempTextBuf(int32_t iCharListStartAppend, |
| int32_t iBufStartAppend); |
| FX_BOOL IsRightToLeft(const CPDF_TextObject* pTextObj, |
| const CPDF_Font* pFont, |
| int nItems) const; |
| protected: |
| CPDFText_ParseOptions m_ParseOptions; |
| CFX_WordArray m_CharIndex; |
| const CPDF_PageObjects* m_pPage; |
| PAGECHAR_InfoArray m_charList; |
| CFX_WideTextBuf m_TextBuf; |
| PAGECHAR_InfoArray m_TempCharList; |
| CFX_WideTextBuf m_TempTextBuf; |
| int m_parserflag; |
| CPDF_TextObject* m_pPreTextObj; |
| CFX_AffineMatrix m_perMatrix; |
| FX_BOOL m_IsParsered; |
| CFX_AffineMatrix m_DisplayMatrix; |
| |
| SEGMENT_Array m_Segment; |
| CFX_RectArray m_SelRects; |
| LINEOBJ m_LineObj; |
| int32_t m_TextlineDir; |
| CFX_FloatRect m_CurlineRect; |
| }; |
| class CPDF_TextPageFind: public IPDF_TextPageFind |
| { |
| public: |
| CPDF_TextPageFind(const IPDF_TextPage* pTextPage); |
| virtual ~CPDF_TextPageFind() {}; |
| public: |
| virtual FX_BOOL FindFirst(const CFX_WideString& findwhat, int flags, int startPos = 0); |
| virtual FX_BOOL FindNext(); |
| virtual FX_BOOL FindPrev(); |
| |
| virtual void GetRectArray(CFX_RectArray& rects) const; |
| virtual int GetCurOrder() const; |
| virtual int GetMatchedCount()const; |
| protected: |
| void ExtractFindWhat(const CFX_WideString& findwhat); |
| FX_BOOL IsMatchWholeWord(const CFX_WideString& csPageText, int startPos, int endPos); |
| FX_BOOL ExtractSubString(CFX_WideString& rString, const FX_WCHAR* lpszFullString, |
| int iSubString, FX_WCHAR chSep); |
| CFX_WideString MakeReverse(const CFX_WideString& str); |
| int ReverseFind(const CFX_WideString& csPageText, const CFX_WideString& csWord, int nStartPos, int& WordLength); |
| int GetCharIndex(int index) const; |
| private: |
| CFX_WordArray m_CharIndex; |
| const IPDF_TextPage* m_pTextPage; |
| CFX_WideString m_strText; |
| CFX_WideString m_findWhat; |
| int m_flags; |
| CFX_WideStringArray m_csFindWhatArray; |
| int m_findNextStart; |
| int m_findPreStart; |
| FX_BOOL m_bMatchCase; |
| FX_BOOL m_bMatchWholeWord; |
| int m_resStart; |
| int m_resEnd; |
| CFX_RectArray m_resArray; |
| FX_BOOL m_IsFind; |
| }; |
| class CPDF_LinkExt |
| { |
| public: |
| CPDF_LinkExt() {}; |
| int m_Start; |
| int m_Count; |
| CFX_WideString m_strUrl; |
| virtual ~CPDF_LinkExt() {}; |
| }; |
| typedef CFX_ArrayTemplate<CPDF_LinkExt*> LINK_InfoArray; |
| class CPDF_LinkExtract: public IPDF_LinkExtract |
| { |
| public: |
| CPDF_LinkExtract(); |
| virtual ~CPDF_LinkExtract(); |
| virtual FX_BOOL ExtractLinks(const IPDF_TextPage* pTextPage); |
| virtual FX_BOOL IsExtract() const |
| { |
| return m_IsParserd; |
| } |
| public: |
| virtual int CountLinks() const; |
| virtual CFX_WideString GetURL(int index) const; |
| virtual void GetBoundedSegment(int index, int& start, int& count) const; |
| virtual void GetRects(int index, CFX_RectArray& rects)const; |
| protected: |
| void parserLink(); |
| void DeleteLinkList(); |
| FX_BOOL CheckWebLink(CFX_WideString& strBeCheck); |
| FX_BOOL CheckMailLink(CFX_WideString& str); |
| FX_BOOL AppendToLinkList(int start, int count, const CFX_WideString& strUrl); |
| private: |
| LINK_InfoArray m_LinkList; |
| const CPDF_TextPage* m_pTextPage; |
| CFX_WideString m_strPageText; |
| FX_BOOL m_IsParserd; |
| }; |
| FX_STRSIZE FX_Unicode_GetNormalization(FX_WCHAR wch, FX_WCHAR* pDst); |
| void NormalizeString(CFX_WideString& str); |
| void NormalizeCompositeChar(FX_WCHAR wChar, CFX_WideString& sDest); |
| |
| #endif // CORE_SRC_FPDFTEXT_TEXT_INT_H_ |
