core/src/fpdfapi/fpdf_parser/parser_int.h - Issue 1353093003: Support linearized loading

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Side by Side Diff: core/src/fpdfapi/fpdf_parser/parser_int.h

Issue 1353093003: Support linearized loading (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Created 5 years, 3 months ago

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« core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp ('K') | « core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_embeddertest.cpp ('k') | fpdfsdk/src/fpdf_dataavail.cpp » ('j') | fpdfsdk/src/fpdf_dataavail.cpp » ('J')
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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 2015 Foxit Software Inc. http://www.foxitsoftware.com
	Tom Sepez 2015/09/22 19:17:59 Nah, no need to update this every time the year ch Nah, no need to update this every time the year changes. Lei Zhang 2015/09/22 23:33:43 Well, if FoxIt is writing this code in 2015... Al Show quoted text On 2015/09/22 19:17:59, Tom Sepez wrote: > Nah, no need to update this every time the year changes. Well, if FoxIt is writing this code in 2015... Also, line 1 says 2014 still. jun_fang 2015/09/23 12:26:58 OK. will keep 2014 here. Show quoted text On 2015/09/22 23:33:43, Lei Zhang wrote: > On 2015/09/22 19:17:59, Tom Sepez wrote: > > Nah, no need to update this every time the year changes. > > Well, if FoxIt is writing this code in 2015... > > Also, line 1 says 2014 still. OK. will keep 2014 here.
	6

	7 #ifndef _FPDFAPI_PARSER_INT_H_
	Lei Zhang 2015/09/22 23:33:43 CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ jun_fang 2015/09/23 12:26:58 Acknowledged. Show quoted text On 2015/09/22 23:33:43, Lei Zhang wrote: > CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ Acknowledged.
	8 #define _FPDFAPI_PARSER_INT_H_

	9

	10 class CPDF_DataAvail;

	11

	12 class CPDF_HintTables {

	13 public:

	14 CPDF_HintTables(CPDF_DataAvail* pDataAvail, CPDF_Dictionary* pLinearized)

	15 : m_pLinearizedDict(pLinearized),

	16 m_pHintStream(nullptr),

	17 m_pDataAvail(pDataAvail),

	18 m_nFirstPageSharedObjs(0),

	19 m_szFirstPageObjOffset(0) {}

	20 ~CPDF_HintTables();

	21 FX_BOOL GetPagePos(int index,

	22 FX_FILESIZE& szPageStartPos,

	23 FX_FILESIZE& szPageLength,

	24 FX_DWORD& dwObjNum);

	25 FX_BOOL CheckPage(int index, IFX_DownloadHints* pHints);

	26 FX_BOOL LoadHintStream(CPDF_Stream* pHintStream);

	27

	28 protected:

	29 FX_BOOL ReadPageHintTable(CFX_BitStream& bs);

	30 FX_BOOL ReadSharedObjHintTable(CFX_BitStream& bs);

	31 FX_DWORD GetItemLength(int index, const CFX_FileSizeArray& szArray);

	32

	33 private:

	34 int ReadPrimaryHintStreamOffset(CFX_BitStream& bs) const;

	35 int ReadPrimaryHintStreamLength(CFX_BitStream& bs) const;

	36

	37 CPDF_Dictionary* m_pLinearizedDict;

	38 CPDF_Stream* m_pHintStream;

	39 CPDF_DataAvail* m_pDataAvail;

	40 FX_DWORD m_nFirstPageSharedObjs;

	41 FX_FILESIZE m_szFirstPageObjOffset;

	42 CFX_DWordArray m_dwDeltaNObjsArray;

	43 CFX_DWordArray m_dwNSharedObjsArray;

	44 CFX_DWordArray m_dwSharedObjNumArray;

	45 CFX_DWordArray m_dwIdentifierArray;

	46 CFX_FileSizeArray m_szPageOffsetArray;

	47 CFX_FileSizeArray m_szSharedObjOffsetArray;

	48 };

	49 #endif //_FPDFAPI_PARSER_INT_H_

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