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author | Tom Sepez <tsepez@chromium.org> | 2016-03-08 12:22:05 -0800 |
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committer | Tom Sepez <tsepez@chromium.org> | 2016-03-08 12:22:05 -0800 |
commit | 06fae28d307fe051f0c7e890344cd487c2260910 (patch) | |
tree | 5d658965dd2833c802c7668d48a839a1de3dba49 /core/include/fpdfapi/fpdf_parser.h | |
parent | d50095fb151688e119a7097aabce11e4b3d36244 (diff) | |
download | pdfium-06fae28d307fe051f0c7e890344cd487c2260910.tar.xz |
Revert "Split CPDF_SyntaxParser into its own named .cpp/.h files."
This reverts commit d50095fb151688e119a7097aabce11e4b3d36244.
Reason for revert: build broken.
TBR=dsinclair@chromium.org
Review URL: https://codereview.chromium.org/1774293002 .
Diffstat (limited to 'core/include/fpdfapi/fpdf_parser.h')
-rw-r--r-- | core/include/fpdfapi/fpdf_parser.h | 86 |
1 files changed, 82 insertions, 4 deletions
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h index 1b09aa0148..53f9c5a316 100644 --- a/core/include/fpdfapi/fpdf_parser.h +++ b/core/include/fpdfapi/fpdf_parser.h @@ -28,7 +28,6 @@ class CPDF_Object; class CPDF_Parser; class CPDF_Pattern; class CPDF_StandardSecurityHandler; -class CPDF_SyntaxParser; class IPDF_SecurityHandler; #define FPDFPERM_PRINT 0x0004 @@ -232,6 +231,81 @@ 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 { @@ -250,6 +324,11 @@ 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; } @@ -271,13 +350,12 @@ 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; } @@ -324,7 +402,7 @@ class CPDF_Parser { void ShrinkObjectMap(FX_DWORD size); CPDF_Document* m_pDocument; - std::unique_ptr<CPDF_SyntaxParser> m_pSyntax; + CPDF_SyntaxParser m_Syntax; bool m_bOwnFileRead; int m_FileVersion; CPDF_Dictionary* m_pTrailer; |