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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #ifndef CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ | |
| 8 #define CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ | |
| 9 | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "core/include/fxcrt/fx_basic.h" | |
| 13 #include "core/include/fxcrt/fx_stream.h" | |
| 14 | |
| 15 class CFX_BitStream; | |
| 16 class CPDF_DataAvail; | |
| 17 class CPDF_Dictionary; | |
| 18 class CPDF_Stream; | |
| 19 class IFX_DownloadHints; | |
| 20 | |
| 21 class CPDF_HintTables { | |
| 22 public: | |
| 23 CPDF_HintTables(CPDF_DataAvail* pDataAvail, CPDF_Dictionary* pLinearized) | |
| 24 : m_pLinearizedDict(pLinearized), | |
| 25 m_pDataAvail(pDataAvail), | |
| 26 m_nFirstPageSharedObjs(0), | |
| 27 m_szFirstPageObjOffset(0) {} | |
| 28 ~CPDF_HintTables(); | |
| 29 | |
| 30 FX_BOOL GetPagePos(int index, | |
| 31 FX_FILESIZE& szPageStartPos, | |
| 32 FX_FILESIZE& szPageLength, | |
| 33 FX_DWORD& dwObjNum); | |
| 34 IPDF_DataAvail::DocAvailStatus CheckPage(int index, | |
| 35 IFX_DownloadHints* pHints); | |
| 36 FX_BOOL LoadHintStream(CPDF_Stream* pHintStream); | |
| 37 | |
| 38 protected: | |
| 39 FX_BOOL ReadPageHintTable(CFX_BitStream* hStream); | |
| 40 FX_BOOL ReadSharedObjHintTable(CFX_BitStream* hStream, FX_DWORD offset); | |
| 41 FX_DWORD GetItemLength(int index, const std::vector<FX_FILESIZE>& szArray); | |
| 42 | |
| 43 private: | |
| 44 int ReadPrimaryHintStreamOffset() const; | |
| 45 int ReadPrimaryHintStreamLength() const; | |
| 46 | |
| 47 CPDF_Dictionary* m_pLinearizedDict; | |
| 48 CPDF_DataAvail* m_pDataAvail; | |
| 49 FX_DWORD m_nFirstPageSharedObjs; | |
| 50 FX_FILESIZE m_szFirstPageObjOffset; | |
| 51 CFX_DWordArray m_dwDeltaNObjsArray; | |
| 52 CFX_DWordArray m_dwNSharedObjsArray; | |
| 53 CFX_DWordArray m_dwSharedObjNumArray; | |
| 54 CFX_DWordArray m_dwIdentifierArray; | |
| 55 std::vector<FX_FILESIZE> m_szPageOffsetArray; | |
| 56 std::vector<FX_FILESIZE> m_szSharedObjOffsetArray; | |
| 57 }; | |
| 58 | |
| 59 #endif // CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ | |
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