// 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_TextParseOptions
-{
-public:
- CPDF_TextParseOptions();
- FX_BOOL m_bCheckObjectOrder;
- FX_BOOL m_bCheckDirection;
- int m_nCheckSameObject;
-};
-class CPDF_TextPage;
+#include "../../include/fpdftext/fpdf_text.h"
+#include "../../include/fxcrt/fx_basic.h"
+
+class CFX_BidiChar;
+class CPDF_DocProgressiveSearch;
+class CPDF_FormObject;
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
+
+#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;
- FX_INT32 m_Flag;
- CFX_FloatRect m_CharBox;
- CPDF_TextObject* m_pTextObj;
- CFX_AffineMatrix m_Matrix;
- int m_Index;
+ 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 CFX_SegmentedArray<PAGECHAR_INFO> PAGECHAR_InfoArray;
typedef struct {
- int m_Start;
- int m_nCount;
+ 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;
+ 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 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(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);
- FX_BOOL IsControlChar(PAGECHAR_INFO* pCharInfo);
- 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);
- 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();
- void SwapTempTextBuf(FX_INT32 iCharListStartAppend,
- FX_INT32 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;
- FX_BOOL m_TextlineDir;
- CFX_FloatRect m_CurlineRect;
+
+class CPDF_TextPage : public IPDF_TextPage {
+ public:
+ CPDF_TextPage(const CPDF_Page* pPage, int flags);
+ ~CPDF_TextPage() override {}
+
+ // IPDF_TextPage
+ FX_BOOL ParseTextPage() override;
+ void NormalizeObjects(FX_BOOL bNormalize) override;
+ bool IsParsed() const override { return m_bIsParsed; }
+ int CharIndexFromTextIndex(int TextIndex) const override;
+ int TextIndexFromCharIndex(int CharIndex) const override;
+ int CountChars() const override;
+ void GetCharInfo(int index, FPDF_CHAR_INFO& info) const override;
+ void GetRectArray(int start,
+ int nCount,
+ CFX_RectArray& rectArray) const override;
+ int GetIndexAtPos(CPDF_Point point,
+ FX_FLOAT xTolerance,
+ FX_FLOAT yTolerance) const override;
+ int GetIndexAtPos(FX_FLOAT x,
+ FX_FLOAT y,
+ FX_FLOAT xTolerance,
+ FX_FLOAT yTolerance) const override;
+ CFX_WideString GetTextByRect(const CFX_FloatRect& rect) const override;
+ void GetRectsArrayByRect(const CFX_FloatRect& rect,
+ CFX_RectArray& resRectArray) const override;
+ CFX_WideString GetPageText(int start = 0, int nCount = -1) const override;
+ int CountRects(int start, int nCount) override;
+ void GetRect(int rectIndex,
+ FX_FLOAT& left,
+ FX_FLOAT& top,
+ FX_FLOAT& right,
+ FX_FLOAT& bottom) const override;
+ FX_BOOL GetBaselineRotate(int rectIndex, int& Rotate) override;
+ FX_BOOL GetBaselineRotate(const CFX_FloatRect& rect, int& Rotate) override;
+ int CountBoundedSegments(FX_FLOAT left,
+ FX_FLOAT top,
+ FX_FLOAT right,
+ FX_FLOAT bottom,
+ FX_BOOL bContains = FALSE) override;
+ void GetBoundedSegment(int index, int& start, int& count) const override;
+ int GetWordBreak(int index, int direction) const override;
+
+ 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(CFX_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;
+
+ CPDFText_ParseOptions m_ParseOptions;
+ CFX_WordArray m_CharIndex;
+ const CPDF_PageObjects* const m_pPage;
+ PAGECHAR_InfoArray m_charList;
+ CFX_WideTextBuf m_TextBuf;
+ PAGECHAR_InfoArray m_TempCharList;
+ CFX_WideTextBuf m_TempTextBuf;
+ const int m_parserflag;
+ CPDF_TextObject* m_pPreTextObj;
+ CFX_AffineMatrix m_perMatrix;
+ bool m_bIsParsed;
+ 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, FX_LPCWSTR 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_TextPageFind : public IPDF_TextPageFind {
+ public:
+ explicit CPDF_TextPageFind(const IPDF_TextPage* pTextPage);
+ ~CPDF_TextPageFind() override {}
+
+ // IPDF_TextPageFind
+ FX_BOOL FindFirst(const CFX_WideString& findwhat,
+ int flags,
+ int startPos = 0) override;
+ FX_BOOL FindNext() override;
+ FX_BOOL FindPrev() override;
+ void GetRectArray(CFX_RectArray& rects) const override;
+ int GetCurOrder() const override;
+ int GetMatchedCount() const override;
+
+ 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() {};
+
+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;
+
+class CPDF_LinkExtract : public IPDF_LinkExtract {
+ public:
+ CPDF_LinkExtract();
+ ~CPDF_LinkExtract() override;
+
+ // IPDF_LinkExtract
+ FX_BOOL ExtractLinks(const IPDF_TextPage* pTextPage) override;
+ int CountLinks() const override;
+ CFX_WideString GetURL(int index) const override;
+ void GetBoundedSegment(int index, int& start, int& count) const override;
+ void GetRects(int index, CFX_RectArray& rects) const override;
+
+ FX_BOOL IsExtract() const { return m_bIsParsed; }
+
+ protected:
+ void ParseLink();
+ 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;
+ bool m_bIsParsed;
};
-FX_STRSIZE FX_Unicode_GetNormalization(FX_WCHAR wch, FX_LPWSTR pDst);
+
+FX_STRSIZE FX_Unicode_GetNormalization(FX_WCHAR wch, FX_WCHAR* pDst);
void NormalizeString(CFX_WideString& str);
void NormalizeCompositeChar(FX_WCHAR wChar, CFX_WideString& sDest);
+void GetTextStream_Unicode(CFX_WideTextBuf& buffer,
+ CPDF_PageObjects* pPage,
+ FX_BOOL bUseLF,
+ CFX_PtrArray* pObjArray);
#endif // CORE_SRC_FPDFTEXT_TEXT_INT_H_
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