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-rw-r--r--core/include/fpdfapi/fpdf_parser.h215
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp202
2 files changed, 210 insertions, 207 deletions
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h
index d2fdad4cfb..3f9bda5ad8 100644
--- a/core/include/fpdfapi/fpdf_parser.h
+++ b/core/include/fpdfapi/fpdf_parser.h
@@ -869,21 +869,25 @@ public:
class IPDF_DataAvail
{
public:
+ static IPDF_DataAvail* Create(IFX_FileAvail* pFileAvail, IFX_FileRead* pFileRead);
virtual ~IPDF_DataAvail() { }
- virtual FX_BOOL IsDocAvail(IFX_DownloadHints* pHints) = 0;
+ IFX_FileAvail* GetFileAvail() const { return m_pFileAvail; }
+ IFX_FileRead* GetFileRead() const { return m_pFileRead; }
+ virtual FX_BOOL IsDocAvail(IFX_DownloadHints* pHints) = 0;
virtual void SetDocument(CPDF_Document* pDoc) = 0;
-
virtual FX_BOOL IsPageAvail(int iPage, IFX_DownloadHints* pHints) = 0;
-
virtual FX_BOOL IsLinearized() = 0;
-
virtual FX_INT32 IsFormAvail(IFX_DownloadHints *pHints) = 0;
-
virtual FX_INT32 IsLinearizedPDF() = 0;
-
virtual void GetLinearizedMainXRefInfo(FX_FILESIZE *pPos, FX_DWORD *pSize) = 0;
+
+protected:
+ IPDF_DataAvail(IFX_FileAvail* pFileAvail, IFX_FileRead* pFileRead);
+
+ IFX_FileAvail* m_pFileAvail;
+ IFX_FileRead* m_pFileRead;
};
class CPDF_SortObjNumArray : public CFX_Object
{
@@ -942,203 +946,4 @@ enum PDF_DATAAVAIL_STATUS {
PDF_DATAAVAIL_LOADALLFILE,
PDF_DATAAVAIL_TRAILER_APPEND
};
-class CPDF_DataAvail FX_FINAL : public CFX_Object, public IPDF_DataAvail
-{
-public:
-
- CPDF_DataAvail(IFX_FileAvail* pFileAvail, IFX_FileRead* pFileRead);
- ~CPDF_DataAvail();
-
- virtual FX_BOOL IsDocAvail(IFX_DownloadHints* pHints) FX_OVERRIDE;
-
- virtual void SetDocument(CPDF_Document* pDoc) FX_OVERRIDE;
-
- virtual FX_BOOL IsPageAvail(int iPage, IFX_DownloadHints* pHints) FX_OVERRIDE;
-
- virtual FX_INT32 IsFormAvail(IFX_DownloadHints *pHints) FX_OVERRIDE;
-
- virtual FX_INT32 IsLinearizedPDF() FX_OVERRIDE;
-
- virtual FX_BOOL IsLinearized() FX_OVERRIDE
- {
- return m_bLinearized;
- }
-
- virtual void GetLinearizedMainXRefInfo(FX_FILESIZE *pPos, FX_DWORD *pSize) FX_OVERRIDE;
- IFX_FileRead* GetFileRead() const
- {
- return m_pFileRead;
- }
- IFX_FileAvail* GetFileAvail() const
- {
- return m_pFileAvail;
- }
-protected:
- FX_DWORD GetObjectSize(FX_DWORD objnum, FX_FILESIZE& offset);
- FX_BOOL IsObjectsAvail(CFX_PtrArray& obj_array, FX_BOOL bParsePage, IFX_DownloadHints* pHints, CFX_PtrArray &ret_array);
- FX_BOOL CheckDocStatus(IFX_DownloadHints *pHints);
- FX_BOOL CheckHeader(IFX_DownloadHints* pHints);
- FX_BOOL CheckFirstPage(IFX_DownloadHints *pHints);
- FX_BOOL CheckEnd(IFX_DownloadHints *pHints);
- FX_BOOL CheckCrossRef(IFX_DownloadHints* pHints);
- FX_BOOL CheckCrossRefItem(IFX_DownloadHints *pHints);
- FX_BOOL CheckTrailer(IFX_DownloadHints* pHints);
- FX_BOOL CheckRoot(IFX_DownloadHints* pHints);
- FX_BOOL CheckInfo(IFX_DownloadHints* pHints);
- FX_BOOL CheckPages(IFX_DownloadHints* pHints);
- FX_BOOL CheckPage(IFX_DownloadHints* pHints);
- FX_BOOL CheckResources(IFX_DownloadHints* pHints);
- FX_BOOL CheckAnnots(IFX_DownloadHints* pHints);
- FX_BOOL CheckAcroForm(IFX_DownloadHints* pHints);
- FX_BOOL CheckAcroFormSubObject(IFX_DownloadHints* pHints);
- FX_BOOL CheckTrailerAppend(IFX_DownloadHints* pHints);
- FX_BOOL CheckPageStatus(IFX_DownloadHints* pHints);
- FX_BOOL CheckAllCrossRefStream(IFX_DownloadHints *pHints);
-
- FX_DWORD CheckCrossRefStream(IFX_DownloadHints *pHints, FX_FILESIZE &xref_offset);
- FX_BOOL IsLinearizedFile(FX_LPBYTE pData, FX_DWORD dwLen);
- void SetStartOffset(FX_FILESIZE dwOffset);
- FX_BOOL GetNextToken(CFX_ByteString &token);
- FX_BOOL GetNextChar(FX_BYTE &ch);
- CPDF_Object * ParseIndirectObjectAt(FX_FILESIZE pos, FX_DWORD objnum);
- CPDF_Object * GetObject(FX_DWORD objnum, IFX_DownloadHints* pHints, FX_BOOL *pExistInFile);
- FX_BOOL GetPageKids(CPDF_Parser *pParser, CPDF_Object *pPages);
- FX_BOOL PreparePageItem();
- FX_BOOL LoadPages(IFX_DownloadHints* pHints);
- FX_BOOL LoadAllXref(IFX_DownloadHints* pHints);
- FX_BOOL LoadAllFile(IFX_DownloadHints* pHints);
- FX_BOOL CheckLinearizedData(IFX_DownloadHints* pHints);
- FX_BOOL CheckFileResources(IFX_DownloadHints* pHints);
- FX_BOOL CheckPageAnnots(int iPage, IFX_DownloadHints* pHints);
-
- FX_BOOL CheckLinearizedFirstPage(int iPage, IFX_DownloadHints* pHints);
- FX_BOOL HaveResourceAncestor(CPDF_Dictionary *pDict);
- FX_BOOL CheckPage(FX_INT32 iPage, IFX_DownloadHints* pHints);
- FX_BOOL LoadDocPages(IFX_DownloadHints* pHints);
- FX_BOOL LoadDocPage(FX_INT32 iPage, IFX_DownloadHints* pHints);
- FX_BOOL CheckPageNode(CPDF_PageNode &pageNodes, FX_INT32 iPage, FX_INT32 &iCount, IFX_DownloadHints* pHints);
- FX_BOOL CheckUnkownPageNode(FX_DWORD dwPageNo, CPDF_PageNode *pPageNode, IFX_DownloadHints* pHints);
- FX_BOOL CheckArrayPageNode(FX_DWORD dwPageNo, CPDF_PageNode *pPageNode, IFX_DownloadHints* pHints);
- FX_BOOL CheckPageCount(IFX_DownloadHints* pHints);
- FX_BOOL IsFirstCheck(int iPage);
- void ResetFirstCheck(int iPage);
-
- CPDF_Parser m_parser;
-
- CPDF_SyntaxParser m_syntaxParser;
-
- CPDF_Object *m_pRoot;
-
- FX_DWORD m_dwRootObjNum;
-
- FX_DWORD m_dwInfoObjNum;
-
- CPDF_Object *m_pLinearized;
-
- CPDF_Object *m_pTrailer;
-
- FX_BOOL m_bDocAvail;
-
- FX_FILESIZE m_dwHeaderOffset;
-
- FX_FILESIZE m_dwLastXRefOffset;
-
- FX_FILESIZE m_dwXRefOffset;
-
- FX_FILESIZE m_dwTrailerOffset;
-
- FX_FILESIZE m_dwCurrentOffset;
-
- PDF_DATAAVAIL_STATUS m_docStatus;
-
- IFX_FileAvail* m_pFileAvail;
-
- IFX_FileRead* m_pFileRead;
-
- FX_FILESIZE m_dwFileLen;
-
- CPDF_Document* m_pDocument;
-
- CPDF_SortObjNumArray m_objnum_array;
-
- CFX_PtrArray m_objs_array;
-
- FX_FILESIZE m_Pos;
-
- FX_FILESIZE m_bufferOffset;
-
- FX_DWORD m_bufferSize;
-
- CFX_ByteString m_WordBuf;
-
- FX_BYTE m_WordBuffer[257];
-
- FX_DWORD m_WordSize;
-
- FX_BYTE m_bufferData[512];
-
- CFX_FileSizeArray m_CrossOffset;
-
- CFX_DWordArray m_XRefStreamList;
-
- CFX_DWordArray m_PageObjList;
-
- FX_DWORD m_PagesObjNum;
-
- FX_BOOL m_bLinearized;
-
- FX_DWORD m_dwFirstPageNo;
-
- FX_BOOL m_bLinearedDataOK;
-
- FX_BOOL m_bMainXRefLoadTried;
-
- FX_BOOL m_bMainXRefLoadedOK;
-
- FX_BOOL m_bPagesTreeLoad;
-
- FX_BOOL m_bPagesLoad;
-
- CPDF_Parser * m_pCurrentParser;
-
- FX_FILESIZE m_dwCurrentXRefSteam;
-
- FX_BOOL m_bAnnotsLoad;
-
- FX_BOOL m_bHaveAcroForm;
-
- FX_DWORD m_dwAcroFormObjNum;
-
- FX_BOOL m_bAcroFormLoad;
-
- CPDF_Object * m_pAcroForm;
-
- CFX_PtrArray m_arrayAcroforms;
-
- CPDF_Dictionary * m_pPageDict;
-
- CPDF_Object * m_pPageResource;
-
- FX_BOOL m_bNeedDownLoadResource;
-
- FX_BOOL m_bPageLoadedOK;
-
- FX_BOOL m_bLinearizedFormParamLoad;
-
- CFX_PtrArray m_PagesArray;
-
- FX_DWORD m_dwEncryptObjNum;
-
- FX_FILESIZE m_dwPrevXRefOffset;
-
- FX_BOOL m_bTotalLoadPageTree;
-
- FX_BOOL m_bCurPageDictLoadOK;
-
- CPDF_PageNode m_pageNodes;
-
- CFX_CMapDWordToDWord * m_pageMapCheckState;
-
- CFX_CMapDWordToDWord * m_pagesLoadState;
-};
#endif
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 08cc9e5b51..f6253757b6 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -2716,10 +2716,208 @@ void CPDF_SyntaxParser::GetBinary(FX_BYTE* buffer, FX_DWORD size)
}
}
}
+
+class CPDF_DataAvail FX_FINAL : public CFX_Object, public IPDF_DataAvail
+{
+public:
+ CPDF_DataAvail(IFX_FileAvail* pFileAvail, IFX_FileRead* pFileRead);
+ ~CPDF_DataAvail();
+
+ virtual FX_BOOL IsDocAvail(IFX_DownloadHints* pHints) FX_OVERRIDE;
+
+ virtual void SetDocument(CPDF_Document* pDoc) FX_OVERRIDE;
+
+ virtual FX_BOOL IsPageAvail(int iPage, IFX_DownloadHints* pHints) FX_OVERRIDE;
+
+ virtual FX_INT32 IsFormAvail(IFX_DownloadHints *pHints) FX_OVERRIDE;
+
+ virtual FX_INT32 IsLinearizedPDF() FX_OVERRIDE;
+
+ virtual FX_BOOL IsLinearized() FX_OVERRIDE
+ {
+ return m_bLinearized;
+ }
+
+ virtual void GetLinearizedMainXRefInfo(FX_FILESIZE *pPos, FX_DWORD *pSize) FX_OVERRIDE;
+protected:
+ FX_DWORD GetObjectSize(FX_DWORD objnum, FX_FILESIZE& offset);
+ FX_BOOL IsObjectsAvail(CFX_PtrArray& obj_array, FX_BOOL bParsePage, IFX_DownloadHints* pHints, CFX_PtrArray &ret_array);
+ FX_BOOL CheckDocStatus(IFX_DownloadHints *pHints);
+ FX_BOOL CheckHeader(IFX_DownloadHints* pHints);
+ FX_BOOL CheckFirstPage(IFX_DownloadHints *pHints);
+ FX_BOOL CheckEnd(IFX_DownloadHints *pHints);
+ FX_BOOL CheckCrossRef(IFX_DownloadHints* pHints);
+ FX_BOOL CheckCrossRefItem(IFX_DownloadHints *pHints);
+ FX_BOOL CheckTrailer(IFX_DownloadHints* pHints);
+ FX_BOOL CheckRoot(IFX_DownloadHints* pHints);
+ FX_BOOL CheckInfo(IFX_DownloadHints* pHints);
+ FX_BOOL CheckPages(IFX_DownloadHints* pHints);
+ FX_BOOL CheckPage(IFX_DownloadHints* pHints);
+ FX_BOOL CheckResources(IFX_DownloadHints* pHints);
+ FX_BOOL CheckAnnots(IFX_DownloadHints* pHints);
+ FX_BOOL CheckAcroForm(IFX_DownloadHints* pHints);
+ FX_BOOL CheckAcroFormSubObject(IFX_DownloadHints* pHints);
+ FX_BOOL CheckTrailerAppend(IFX_DownloadHints* pHints);
+ FX_BOOL CheckPageStatus(IFX_DownloadHints* pHints);
+ FX_BOOL CheckAllCrossRefStream(IFX_DownloadHints *pHints);
+
+ FX_DWORD CheckCrossRefStream(IFX_DownloadHints *pHints, FX_FILESIZE &xref_offset);
+ FX_BOOL IsLinearizedFile(FX_LPBYTE pData, FX_DWORD dwLen);
+ void SetStartOffset(FX_FILESIZE dwOffset);
+ FX_BOOL GetNextToken(CFX_ByteString &token);
+ FX_BOOL GetNextChar(FX_BYTE &ch);
+ CPDF_Object * ParseIndirectObjectAt(FX_FILESIZE pos, FX_DWORD objnum);
+ CPDF_Object * GetObject(FX_DWORD objnum, IFX_DownloadHints* pHints, FX_BOOL *pExistInFile);
+ FX_BOOL GetPageKids(CPDF_Parser *pParser, CPDF_Object *pPages);
+ FX_BOOL PreparePageItem();
+ FX_BOOL LoadPages(IFX_DownloadHints* pHints);
+ FX_BOOL LoadAllXref(IFX_DownloadHints* pHints);
+ FX_BOOL LoadAllFile(IFX_DownloadHints* pHints);
+ FX_BOOL CheckLinearizedData(IFX_DownloadHints* pHints);
+ FX_BOOL CheckFileResources(IFX_DownloadHints* pHints);
+ FX_BOOL CheckPageAnnots(int iPage, IFX_DownloadHints* pHints);
+
+ FX_BOOL CheckLinearizedFirstPage(int iPage, IFX_DownloadHints* pHints);
+ FX_BOOL HaveResourceAncestor(CPDF_Dictionary *pDict);
+ FX_BOOL CheckPage(FX_INT32 iPage, IFX_DownloadHints* pHints);
+ FX_BOOL LoadDocPages(IFX_DownloadHints* pHints);
+ FX_BOOL LoadDocPage(FX_INT32 iPage, IFX_DownloadHints* pHints);
+ FX_BOOL CheckPageNode(CPDF_PageNode &pageNodes, FX_INT32 iPage, FX_INT32 &iCount, IFX_DownloadHints* pHints);
+ FX_BOOL CheckUnkownPageNode(FX_DWORD dwPageNo, CPDF_PageNode *pPageNode, IFX_DownloadHints* pHints);
+ FX_BOOL CheckArrayPageNode(FX_DWORD dwPageNo, CPDF_PageNode *pPageNode, IFX_DownloadHints* pHints);
+ FX_BOOL CheckPageCount(IFX_DownloadHints* pHints);
+ FX_BOOL IsFirstCheck(int iPage);
+ void ResetFirstCheck(int iPage);
+
+ CPDF_Parser m_parser;
+
+ CPDF_SyntaxParser m_syntaxParser;
+
+ CPDF_Object *m_pRoot;
+
+ FX_DWORD m_dwRootObjNum;
+
+ FX_DWORD m_dwInfoObjNum;
+
+ CPDF_Object *m_pLinearized;
+
+ CPDF_Object *m_pTrailer;
+
+ FX_BOOL m_bDocAvail;
+
+ FX_FILESIZE m_dwHeaderOffset;
+
+ FX_FILESIZE m_dwLastXRefOffset;
+
+ FX_FILESIZE m_dwXRefOffset;
+
+ FX_FILESIZE m_dwTrailerOffset;
+
+ FX_FILESIZE m_dwCurrentOffset;
+
+ PDF_DATAAVAIL_STATUS m_docStatus;
+
+ FX_FILESIZE m_dwFileLen;
+
+ CPDF_Document* m_pDocument;
+
+ CPDF_SortObjNumArray m_objnum_array;
+
+ CFX_PtrArray m_objs_array;
+
+ FX_FILESIZE m_Pos;
+
+ FX_FILESIZE m_bufferOffset;
+
+ FX_DWORD m_bufferSize;
+
+ CFX_ByteString m_WordBuf;
+
+ FX_BYTE m_WordBuffer[257];
+
+ FX_DWORD m_WordSize;
+
+ FX_BYTE m_bufferData[512];
+
+ CFX_FileSizeArray m_CrossOffset;
+
+ CFX_DWordArray m_XRefStreamList;
+
+ CFX_DWordArray m_PageObjList;
+
+ FX_DWORD m_PagesObjNum;
+
+ FX_BOOL m_bLinearized;
+
+ FX_DWORD m_dwFirstPageNo;
+
+ FX_BOOL m_bLinearedDataOK;
+
+ FX_BOOL m_bMainXRefLoadTried;
+
+ FX_BOOL m_bMainXRefLoadedOK;
+
+ FX_BOOL m_bPagesTreeLoad;
+
+ FX_BOOL m_bPagesLoad;
+
+ CPDF_Parser * m_pCurrentParser;
+
+ FX_FILESIZE m_dwCurrentXRefSteam;
+
+ FX_BOOL m_bAnnotsLoad;
+
+ FX_BOOL m_bHaveAcroForm;
+
+ FX_DWORD m_dwAcroFormObjNum;
+
+ FX_BOOL m_bAcroFormLoad;
+
+ CPDF_Object * m_pAcroForm;
+
+ CFX_PtrArray m_arrayAcroforms;
+
+ CPDF_Dictionary * m_pPageDict;
+
+ CPDF_Object * m_pPageResource;
+
+ FX_BOOL m_bNeedDownLoadResource;
+
+ FX_BOOL m_bPageLoadedOK;
+
+ FX_BOOL m_bLinearizedFormParamLoad;
+
+ CFX_PtrArray m_PagesArray;
+
+ FX_DWORD m_dwEncryptObjNum;
+
+ FX_FILESIZE m_dwPrevXRefOffset;
+
+ FX_BOOL m_bTotalLoadPageTree;
+
+ FX_BOOL m_bCurPageDictLoadOK;
+
+ CPDF_PageNode m_pageNodes;
+
+ CFX_CMapDWordToDWord * m_pageMapCheckState;
+
+ CFX_CMapDWordToDWord * m_pagesLoadState;
+};
+
+IPDF_DataAvail::IPDF_DataAvail(IFX_FileAvail* pFileAvail, IFX_FileRead* pFileRead) :
+ m_pFileAvail(pFileAvail),
+ m_pFileRead(pFileRead) {
+}
+
+// static
+IPDF_DataAvail* IPDF_DataAvail::Create(IFX_FileAvail* pFileAvail, IFX_FileRead* pFileRead)
+{
+ return FX_NEW CPDF_DataAvail(pFileAvail, pFileRead);
+}
+
CPDF_DataAvail::CPDF_DataAvail(IFX_FileAvail* pFileAvail, IFX_FileRead* pFileRead)
+ : IPDF_DataAvail(pFileAvail, pFileRead)
{
- m_pFileAvail = pFileAvail;
- m_pFileRead = pFileRead;
m_Pos = 0;
m_dwFileLen = 0;
if (m_pFileRead) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 17:43:42 +0000