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// 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_
class CPDF_DataAvail;
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 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_
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