From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001 From: John Abd-El-Malek Date: Sat, 17 May 2014 22:33:34 -0700 Subject: Initial commit. --- core/src/fpdftext/text_int.h | 215 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 215 insertions(+) create mode 100644 core/src/fpdftext/text_int.h (limited to 'core/src/fpdftext/text_int.h') diff --git a/core/src/fpdftext/text_int.h b/core/src/fpdftext/text_int.h new file mode 100644 index 0000000000..a0af51eb60 --- /dev/null +++ b/core/src/fpdftext/text_int.h @@ -0,0 +1,215 @@ +// 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 _PDF_TEXT_INT_H_ +#define _PDF_TEXT_INT_H_ +class CPDF_TextParseOptions : public CFX_Object +{ +public: + CPDF_TextParseOptions(); + FX_BOOL m_bCheckObjectOrder; + FX_BOOL m_bCheckDirection; + int m_nCheckSameObject; +}; +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: public CFX_Object { + int m_CharCode; + FX_WCHAR m_Unicode; + FX_FLOAT m_OriginX; + FX_FLOAT m_OriginY; + FX_INT32 m_Flag; + CFX_FloatRect m_CharBox; + CPDF_TextObject* m_pTextObj; + CFX_AffineMatrix m_Matrix; + int m_Index; +} PAGECHAR_INFO; +typedef CFX_SegmentedArray PAGECHAR_InfoArray; +typedef struct { + int m_Start; + int m_nCount; +} FPDF_SEGMENT; +typedef CFX_ArrayTemplate SEGMENT_Array; +typedef struct { + CPDF_TextObject* m_pTextObj; + CFX_AffineMatrix m_formMatrix; +} PDFTEXT_Obj; +typedef CFX_ArrayTemplate 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(CFX_FloatRect rect) const; + virtual void GetRectsArrayByRect(CFX_FloatRect rect, CFX_RectArray& resRectArray) const; + virtual int GetOrderByDirection(int order, int direction) 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(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(CFX_FloatRect rect1, CFX_FloatRect rect2); + static FX_BOOL IsLetter(FX_WCHAR unicode); +private: + FX_BOOL IsHyphen(FX_WCHAR curChar); + FX_BOOL IsControlChar(PAGECHAR_INFO* pCharInfo); + FX_BOOL GetBaselineRotate(int start, int end, int& Rotate); + void ProcessObject(); + void ProcessFormObject(CPDF_FormObject* pFormObj, CFX_AffineMatrix formMatrix); + void ProcessTextObject(PDFTEXT_Obj pObj); + void ProcessTextObject(CPDF_TextObject* pTextObj, CFX_AffineMatrix formMatrix, FX_POSITION ObjPos); + int ProcessInsertObject(const CPDF_TextObject* pObj, 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); + FX_INT32 PreMarkedContent(PDFTEXT_Obj pObj); + void ProcessMarkedContent(PDFTEXT_Obj pObj); + void CheckMarkedContentObject(FX_INT32& start, FX_INT32& nCount) const; + void FindPreviousTextObject(void); + void AddCharInfoByLRDirection(CFX_WideString& str, int i); + void AddCharInfoByRLDirection(CFX_WideString& str, int i); + FX_INT32 GetTextObjectWritingMode(const CPDF_TextObject* pTextObj); + FX_INT32 FindTextlineFlowDirection(); +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; + FX_BOOL 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(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(CFX_WideString findwhat); + FX_BOOL IsMatchWholeWord(CFX_WideString csPageText, int startPos, int endPos); + FX_BOOL ExtractSubString(CFX_WideString& rString, FX_LPCWSTR lpszFullString, + int iSubString, FX_WCHAR chSep); + CFX_WideString MakeReverse(const CFX_WideString str); + int ReverseFind(CFX_WideString csPageText, 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 CFX_Object +{ +public: + CPDF_LinkExt() {}; + int m_Start; + int m_Count; + CFX_WideString m_strUrl; + virtual ~CPDF_LinkExt() {}; +}; +typedef CFX_ArrayTemplate 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, 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_LPWSTR pDst); +void NormalizeString(CFX_WideString& str); +void NormalizeCompositeChar(FX_WCHAR wChar, CFX_WideString& sDest); +#endif -- cgit v1.2.3