| // 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_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ |
| #define CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ |
| |
| #include "core/include/fxcrt/fx_basic.h" |
| #include "core/include/fxcrt/fx_stream.h" |
| |
| class CFX_BitStream; |
| class CPDF_DataAvail; |
| class CPDF_Dictionary; |
| class CPDF_Stream; |
| class IFX_DownloadHints; |
| |
| class CPDF_HintTables { |
| public: |
| CPDF_HintTables(CPDF_DataAvail* pDataAvail, CPDF_Dictionary* pLinearized) |
| : m_pLinearizedDict(pLinearized), |
| m_pDataAvail(pDataAvail), |
| m_nFirstPageSharedObjs(0), |
| m_szFirstPageObjOffset(0) {} |
| ~CPDF_HintTables(); |
| |
| FX_BOOL GetPagePos(int index, |
| FX_FILESIZE& szPageStartPos, |
| FX_FILESIZE& szPageLength, |
| FX_DWORD& dwObjNum); |
| FX_BOOL CheckPage(int index, IFX_DownloadHints* pHints); |
| FX_BOOL LoadHintStream(CPDF_Stream* pHintStream); |
| |
| protected: |
| FX_BOOL ReadPageHintTable(CFX_BitStream* hStream); |
| FX_BOOL ReadSharedObjHintTable(CFX_BitStream* hStream, FX_DWORD offset); |
| FX_DWORD GetItemLength(int index, const CFX_FileSizeArray& szArray); |
| |
| private: |
| int ReadPrimaryHintStreamOffset() const; |
| int ReadPrimaryHintStreamLength() const; |
| |
| CPDF_Dictionary* m_pLinearizedDict; |
| CPDF_DataAvail* m_pDataAvail; |
| FX_DWORD m_nFirstPageSharedObjs; |
| FX_FILESIZE m_szFirstPageObjOffset; |
| CFX_DWordArray m_dwDeltaNObjsArray; |
| CFX_DWordArray m_dwNSharedObjsArray; |
| CFX_DWordArray m_dwSharedObjNumArray; |
| CFX_DWordArray m_dwIdentifierArray; |
| CFX_FileSizeArray m_szPageOffsetArray; |
| CFX_FileSizeArray m_szSharedObjOffsetArray; |
| }; |
| |
| #endif // CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ |