From df7f3663364fd4d6148d658c5bdb98ab2532fb8d Mon Sep 17 00:00:00 2001 From: Jun Fang Date: Tue, 10 Nov 2015 18:29:18 +0800 Subject: Merge to XFA: Support linearized loading BUG=446715 R=thestig@chromium.org, tsepez@chromium.org Review URL: https://codereview.chromium.org/1353093003 . Conflicts: core/include/fpdfapi/fpdf_parser.h core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_embeddertest.cpp samples/pdfium_test.cc testing/embedder_test.cpp testing/embedder_test.h Review URL: https://codereview.chromium.org/1412083010 . --- core/src/fpdfapi/fpdf_parser/parser_int.h | 49 +++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 core/src/fpdfapi/fpdf_parser/parser_int.h (limited to 'core/src/fpdfapi/fpdf_parser/parser_int.h') diff --git a/core/src/fpdfapi/fpdf_parser/parser_int.h b/core/src/fpdfapi/fpdf_parser/parser_int.h new file mode 100644 index 0000000000..a9d5874f75 --- /dev/null +++ b/core/src/fpdfapi/fpdf_parser/parser_int.h @@ -0,0 +1,49 @@ +// 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_pHintStream(nullptr), + 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_Stream* m_pHintStream; + 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_ -- cgit v1.2.3