diff options
Diffstat (limited to 'core/include/fpdfapi/fpdf_parser.h')
-rw-r--r-- | core/include/fpdfapi/fpdf_parser.h | 86 |
1 files changed, 4 insertions, 82 deletions
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h index 53f9c5a316..1b09aa0148 100644 --- a/core/include/fpdfapi/fpdf_parser.h +++ b/core/include/fpdfapi/fpdf_parser.h @@ -28,6 +28,7 @@ class CPDF_Object; class CPDF_Parser; class CPDF_Pattern; class CPDF_StandardSecurityHandler; +class CPDF_SyntaxParser; class IPDF_SecurityHandler; #define FPDFPERM_PRINT 0x0004 @@ -231,81 +232,6 @@ class CPDF_SimpleParser { FX_DWORD m_dwCurPos; }; -class CPDF_SyntaxParser { - public: - CPDF_SyntaxParser(); - ~CPDF_SyntaxParser(); - - void InitParser(IFX_FileRead* pFileAccess, FX_DWORD HeaderOffset); - - FX_FILESIZE SavePos() const { return m_Pos; } - void RestorePos(FX_FILESIZE pos) { m_Pos = pos; } - - CPDF_Object* GetObject(CPDF_IndirectObjectHolder* pObjList, - FX_DWORD objnum, - FX_DWORD gennum, - FX_BOOL bDecrypt); - CPDF_Object* GetObjectByStrict(CPDF_IndirectObjectHolder* pObjList, - FX_DWORD objnum, - FX_DWORD gennum); - CFX_ByteString GetKeyword(); - - void ToNextLine(); - void ToNextWord(); - - FX_BOOL SearchWord(const CFX_ByteStringC& word, - FX_BOOL bWholeWord, - FX_BOOL bForward, - FX_FILESIZE limit); - int SearchMultiWord(const CFX_ByteStringC& words, - FX_BOOL bWholeWord, - FX_FILESIZE limit); - FX_FILESIZE FindTag(const CFX_ByteStringC& tag, FX_FILESIZE limit); - - void SetEncrypt(std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler); - - FX_BOOL ReadBlock(uint8_t* pBuf, FX_DWORD size); - FX_BOOL GetCharAt(FX_FILESIZE pos, uint8_t& ch); - CFX_ByteString GetNextWord(bool* bIsNumber); - - private: - friend class CPDF_Parser; - friend class CPDF_DataAvail; - friend class fpdf_parser_parser_ReadHexString_Test; - - static const int kParserMaxRecursionDepth = 64; - static int s_CurrentRecursionDepth; - - uint32_t GetDirectNum(); - - FX_BOOL GetNextChar(uint8_t& ch); - FX_BOOL GetCharAtBackward(FX_FILESIZE pos, uint8_t& ch); - void GetNextWordInternal(bool* bIsNumber); - bool IsWholeWord(FX_FILESIZE startpos, - FX_FILESIZE limit, - const CFX_ByteStringC& tag, - FX_BOOL checkKeyword); - - CFX_ByteString ReadString(); - CFX_ByteString ReadHexString(); - unsigned int ReadEOLMarkers(FX_FILESIZE pos); - CPDF_Stream* ReadStream(CPDF_Dictionary* pDict, - FX_DWORD objnum, - 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; -}; - class CPDF_Parser { public: enum Error { @@ -324,11 +250,6 @@ class CPDF_Parser { void SetPassword(const FX_CHAR* password) { m_Password = password; } CFX_ByteString GetPassword() { return m_Password; } - - CPDF_CryptoHandler* GetCryptoHandler() { - return m_Syntax.m_pCryptoHandler.get(); - } - CPDF_Dictionary* GetTrailer() const { return m_pTrailer; } FX_FILESIZE GetLastXRefOffset() const { return m_LastXRefOffset; } CPDF_Document* GetDocument() const { return m_pDocument; } @@ -350,12 +271,13 @@ class CPDF_Parser { bool IsVersionUpdated() const { return m_bVersionUpdated; } bool IsObjectFreeOrNull(FX_DWORD objnum) const; FX_BOOL IsFormStream(FX_DWORD objnum, FX_BOOL& bForm); + CPDF_CryptoHandler* GetCryptoHandler(); + IFX_FileRead* GetFileAccess() const; 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; } @@ -402,7 +324,7 @@ class CPDF_Parser { void ShrinkObjectMap(FX_DWORD size); CPDF_Document* m_pDocument; - CPDF_SyntaxParser m_Syntax; + std::unique_ptr<CPDF_SyntaxParser> m_pSyntax; bool m_bOwnFileRead; int m_FileVersion; CPDF_Dictionary* m_pTrailer; |