diff options
Diffstat (limited to 'core/include/fpdfapi/fpdf_parser.h')
| -rw-r--r-- | core/include/fpdfapi/fpdf_parser.h | 97 |
1 files changed, 25 insertions, 72 deletions
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h index f0b50f8638..294c0c5f4a 100644 --- a/core/include/fpdfapi/fpdf_parser.h +++ b/core/include/fpdfapi/fpdf_parser.h @@ -328,52 +328,40 @@ class CPDF_SyntaxParser { FX_DWORD gennum); FX_FILESIZE m_Pos; - int m_MetadataObjnum; - IFX_FileRead* m_pFileAccess; - FX_DWORD m_HeaderOffset; - FX_FILESIZE m_FileLen; - uint8_t* m_pFileBuf; - FX_DWORD m_BufSize; - FX_FILESIZE m_BufOffset; - std::unique_ptr<CPDF_CryptoHandler> m_pCryptoHandler; - uint8_t m_WordBuffer[257]; - FX_DWORD m_WordSize; }; -#define PDFPARSE_ERROR_SUCCESS 0 -#define PDFPARSE_ERROR_FILE 1 -#define PDFPARSE_ERROR_FORMAT 2 -#define PDFPARSE_ERROR_PASSWORD 3 -#define PDFPARSE_ERROR_HANDLER 4 -#define PDFPARSE_ERROR_CERT 5 - class CPDF_Parser { public: + enum Error { + SUCCESS = 0, + FILE_ERROR, + FORMAT_ERROR, + PASSWORD_ERROR, + HANDLER_ERROR + }; + CPDF_Parser(); ~CPDF_Parser(); - FX_DWORD StartParse(IFX_FileRead* pFile, - FX_BOOL bReParse = FALSE, - FX_BOOL bOwnFileRead = TRUE); - + Error StartParse(IFX_FileRead* pFile, + FX_BOOL bReParse = FALSE, + FX_BOOL bOwnFileRead = TRUE); void CloseParser(FX_BOOL bReParse = FALSE); FX_DWORD GetPermissions(FX_BOOL bCheckRevision = FALSE); - FX_BOOL IsOwner(); void SetPassword(const FX_CHAR* password) { m_Password = password; } - CFX_ByteString GetPassword() { return m_Password; } CPDF_CryptoHandler* GetCryptoHandler() { @@ -383,17 +371,15 @@ class CPDF_Parser { void SetSecurityHandler(CPDF_SecurityHandler* pSecurityHandler, FX_BOOL bForced = FALSE); - CPDF_Dictionary* GetTrailer() { return m_pTrailer; } - - FX_FILESIZE GetLastXRefOffset() { return m_LastXRefOffset; } - - CPDF_Document* GetDocument() { return m_pDocument; } + CPDF_Dictionary* GetTrailer() const { return m_pTrailer; } + FX_FILESIZE GetLastXRefOffset() const { return m_LastXRefOffset; } + CPDF_Document* GetDocument() const { return m_pDocument; } FX_DWORD GetRootObjNum(); FX_DWORD GetInfoObjNum(); CPDF_Array* GetIDArray(); - CPDF_Dictionary* GetEncryptDict() { return m_pEncryptDict; } + CPDF_Dictionary* GetEncryptDict() const { return m_pEncryptDict; } CPDF_Object* ParseIndirectObject(CPDF_IndirectObjectHolder* pObjList, FX_DWORD objnum); @@ -403,16 +389,13 @@ class CPDF_Parser { FX_BOOL IsFormStream(FX_DWORD objnum, FX_BOOL& bForm); FX_FILESIZE GetObjectOffset(FX_DWORD objnum) const; - FX_FILESIZE GetObjectSize(FX_DWORD objnum) const; void GetIndirectBinary(FX_DWORD objnum, uint8_t*& pBuffer, FX_DWORD& size); - IFX_FileRead* GetFileAccess() const { return m_Syntax.m_pFileAccess; } - int GetFileVersion() const { return m_FileVersion; } - FX_BOOL IsXRefStream() const { return m_bXRefStream; } + CPDF_Object* ParseIndirectObjectAt(CPDF_IndirectObjectHolder* pObjList, FX_FILESIZE pos, FX_DWORD objnum); @@ -423,72 +406,45 @@ class CPDF_Parser { FX_DWORD objnum, FX_FILESIZE* pResultPos); - FX_DWORD StartAsynParse(IFX_FileRead* pFile, - FX_BOOL bReParse = FALSE, - FX_BOOL bOwnFileRead = TRUE); + Error StartAsynParse(IFX_FileRead* pFile, + FX_BOOL bReParse = FALSE, + FX_BOOL bOwnFileRead = TRUE); - FX_DWORD GetFirstPageNo() { return m_dwFirstPageNo; } + FX_DWORD GetFirstPageNo() const { return m_dwFirstPageNo; } protected: CPDF_Object* ParseDirect(CPDF_Object* pObj); - FX_BOOL LoadAllCrossRefV4(FX_FILESIZE pos); - FX_BOOL LoadAllCrossRefV5(FX_FILESIZE pos); - bool LoadCrossRefV4(FX_FILESIZE pos, FX_FILESIZE streampos, FX_BOOL bSkip); - FX_BOOL LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef); - CPDF_Dictionary* LoadTrailerV4(); - FX_BOOL RebuildCrossRef(); - - FX_DWORD SetEncryptHandler(); - + Error SetEncryptHandler(); void ReleaseEncryptHandler(); - FX_BOOL LoadLinearizedAllCrossRefV4(FX_FILESIZE pos, FX_DWORD dwObjCount); - FX_BOOL LoadLinearizedCrossRefV4(FX_FILESIZE pos, FX_DWORD dwObjCount); - FX_BOOL LoadLinearizedAllCrossRefV5(FX_FILESIZE pos); - - FX_DWORD LoadLinearizedMainXRefTable(); - + Error LoadLinearizedMainXRefTable(); CPDF_StreamAcc* GetObjectStream(FX_DWORD number); - FX_BOOL IsLinearizedFile(IFX_FileRead* pFileAccess, FX_DWORD offset); - bool FindPosInOffsets(FX_FILESIZE pos) const; - void SetEncryptDictionary(CPDF_Dictionary* pDict); - FX_FILESIZE GetObjectPositionOrZero(FX_DWORD objnum) const; void ShrinkObjectMap(FX_DWORD size); CPDF_Document* m_pDocument; - CPDF_SyntaxParser m_Syntax; FX_BOOL m_bOwnFileRead; int m_FileVersion; - CPDF_Dictionary* m_pTrailer; - CPDF_Dictionary* m_pEncryptDict; - FX_FILESIZE m_LastXRefOffset; - FX_BOOL m_bXRefStream; - std::unique_ptr<CPDF_SecurityHandler> m_pSecurityHandler; - FX_BOOL m_bForceUseSecurityHandler; - CFX_ByteString m_bsRecipient; - CFX_ByteString m_FilePath; - CFX_ByteString m_Password; struct ObjectInfo { @@ -505,17 +461,11 @@ class CPDF_Parser { CFX_ByteArray m_V5Type; CFX_WordArray m_ObjVersion; - CFX_FileSizeArray m_SortedOffset; - CFX_ArrayTemplate<CPDF_Dictionary*> m_Trailers; - FX_BOOL m_bVersionUpdated; - CPDF_Object* m_pLinearized; - FX_DWORD m_dwFirstPageNo; - FX_DWORD m_dwXrefStartObjNum; // A map of object numbers to indirect streams. Map owns the streams. @@ -667,6 +617,9 @@ class CPDF_StandardSecurityHandler : public CPDF_SecurityHandler { int m_KeyLen; }; + +CPDF_SecurityHandler* FPDF_CreateStandardSecurityHandler(); + class CPDF_CryptoHandler { public: virtual ~CPDF_CryptoHandler() {} |