diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_parser/cpdf_data_avail.h')
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/cpdf_data_avail.h | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/cpdf_data_avail.h b/core/src/fpdfapi/fpdf_parser/cpdf_data_avail.h deleted file mode 100644 index 3fc26c368a..0000000000 --- a/core/src/fpdfapi/fpdf_parser/cpdf_data_avail.h +++ /dev/null @@ -1,217 +0,0 @@ -// Copyright 2016 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_CPDF_DATA_AVAIL_H_ -#define CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_ - -#include "core/include/fpdfapi/cpdf_parser.h" -#include "core/include/fpdfapi/ipdf_data_avail.h" -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fpdfapi/fpdf_parser/cpdf_hint_tables.h" -#include "core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.h" - -class CPDF_Dictionary; -class CPDF_IndirectObjectHolder; -class CPDF_Parser; - -enum PDF_DATAAVAIL_STATUS { - PDF_DATAAVAIL_HEADER = 0, - PDF_DATAAVAIL_FIRSTPAGE, - PDF_DATAAVAIL_FIRSTPAGE_PREPARE, - PDF_DATAAVAIL_HINTTABLE, - PDF_DATAAVAIL_END, - PDF_DATAAVAIL_CROSSREF, - PDF_DATAAVAIL_CROSSREF_ITEM, - PDF_DATAAVAIL_CROSSREF_STREAM, - PDF_DATAAVAIL_TRAILER, - PDF_DATAAVAIL_LOADALLCROSSREF, - PDF_DATAAVAIL_ROOT, - PDF_DATAAVAIL_INFO, - PDF_DATAAVAIL_ACROFORM, - PDF_DATAAVAIL_ACROFORM_SUBOBJECT, - PDF_DATAAVAIL_PAGETREE, - PDF_DATAAVAIL_PAGE, - PDF_DATAAVAIL_PAGE_LATERLOAD, - PDF_DATAAVAIL_RESOURCES, - PDF_DATAAVAIL_DONE, - PDF_DATAAVAIL_ERROR, - PDF_DATAAVAIL_LOADALLFILE, - PDF_DATAAVAIL_TRAILER_APPEND -}; - -enum PDF_PAGENODE_TYPE { - PDF_PAGENODE_UNKNOWN = 0, - PDF_PAGENODE_PAGE, - PDF_PAGENODE_PAGES, - PDF_PAGENODE_ARRAY, -}; - -class CPDF_DataAvail final : public IPDF_DataAvail { - public: - CPDF_DataAvail(FileAvail* pFileAvail, - IFX_FileRead* pFileRead, - FX_BOOL bSupportHintTable); - ~CPDF_DataAvail() override; - - // IPDF_DataAvail: - DocAvailStatus IsDocAvail(DownloadHints* pHints) override; - void SetDocument(CPDF_Document* pDoc) override; - DocAvailStatus IsPageAvail(int iPage, DownloadHints* pHints) override; - DocFormStatus IsFormAvail(DownloadHints* pHints) override; - DocLinearizationStatus IsLinearizedPDF() override; - FX_BOOL IsLinearized() override { return m_bLinearized; } - void GetLinearizedMainXRefInfo(FX_FILESIZE* pPos, FX_DWORD* pSize) override; - - int GetPageCount() const; - CPDF_Dictionary* GetPage(int index); - - friend class CPDF_HintTables; - - protected: - class PageNode { - public: - PageNode(); - ~PageNode(); - - PDF_PAGENODE_TYPE m_type; - FX_DWORD m_dwPageNo; - CFX_ArrayTemplate<PageNode*> m_childNode; - }; - - static const int kMaxDataAvailRecursionDepth = 64; - static int s_CurrentDataAvailRecursionDepth; - static const int kMaxPageRecursionDepth = 1024; - - FX_DWORD GetObjectSize(FX_DWORD objnum, FX_FILESIZE& offset); - FX_BOOL IsObjectsAvail(CFX_ArrayTemplate<CPDF_Object*>& obj_array, - FX_BOOL bParsePage, - IPDF_DataAvail::DownloadHints* pHints, - CFX_ArrayTemplate<CPDF_Object*>& ret_array); - FX_BOOL CheckDocStatus(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckHeader(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckFirstPage(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckHintTables(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckEnd(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckCrossRef(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckCrossRefItem(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckTrailer(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckRoot(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckInfo(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckPages(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckPage(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckResources(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckAnnots(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckAcroForm(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckAcroFormSubObject(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckTrailerAppend(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckPageStatus(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckAllCrossRefStream(IPDF_DataAvail::DownloadHints* pHints); - - int32_t CheckCrossRefStream(IPDF_DataAvail::DownloadHints* pHints, - FX_FILESIZE& xref_offset); - FX_BOOL IsLinearizedFile(uint8_t* pData, FX_DWORD dwLen); - void SetStartOffset(FX_FILESIZE dwOffset); - FX_BOOL GetNextToken(CFX_ByteString& token); - FX_BOOL GetNextChar(uint8_t& ch); - CPDF_Object* ParseIndirectObjectAt( - FX_FILESIZE pos, - FX_DWORD objnum, - CPDF_IndirectObjectHolder* pObjList = nullptr); - CPDF_Object* GetObject(FX_DWORD objnum, - IPDF_DataAvail::DownloadHints* pHints, - FX_BOOL* pExistInFile); - FX_BOOL GetPageKids(CPDF_Parser* pParser, CPDF_Object* pPages); - FX_BOOL PreparePageItem(); - FX_BOOL LoadPages(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL LoadAllXref(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL LoadAllFile(IPDF_DataAvail::DownloadHints* pHints); - DocAvailStatus CheckLinearizedData(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckPageAnnots(int iPage, IPDF_DataAvail::DownloadHints* pHints); - - DocAvailStatus CheckLinearizedFirstPage( - int iPage, - IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL HaveResourceAncestor(CPDF_Dictionary* pDict); - FX_BOOL CheckPage(int32_t iPage, IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL LoadDocPages(IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL LoadDocPage(int32_t iPage, IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckPageNode(PageNode& pageNodes, - int32_t iPage, - int32_t& iCount, - IPDF_DataAvail::DownloadHints* pHints, - int level); - FX_BOOL CheckUnkownPageNode(FX_DWORD dwPageNo, - PageNode* pPageNode, - IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckArrayPageNode(FX_DWORD dwPageNo, - PageNode* pPageNode, - IPDF_DataAvail::DownloadHints* pHints); - FX_BOOL CheckPageCount(IPDF_DataAvail::DownloadHints* pHints); - bool IsFirstCheck(int iPage); - void ResetFirstCheck(int iPage); - FX_BOOL IsDataAvail(FX_FILESIZE offset, - FX_DWORD size, - IPDF_DataAvail::DownloadHints* pHints); - - CPDF_Parser m_parser; - CPDF_SyntaxParser m_syntaxParser; - CPDF_Object* m_pRoot; - FX_DWORD m_dwRootObjNum; - FX_DWORD m_dwInfoObjNum; - CPDF_Object* m_pLinearized; - CPDF_Object* m_pTrailer; - FX_BOOL m_bDocAvail; - FX_FILESIZE m_dwHeaderOffset; - FX_FILESIZE m_dwLastXRefOffset; - FX_FILESIZE m_dwXRefOffset; - FX_FILESIZE m_dwTrailerOffset; - FX_FILESIZE m_dwCurrentOffset; - PDF_DATAAVAIL_STATUS m_docStatus; - FX_FILESIZE m_dwFileLen; - CPDF_Document* m_pDocument; - std::set<FX_DWORD> m_ObjectSet; - CFX_ArrayTemplate<CPDF_Object*> m_objs_array; - FX_FILESIZE m_Pos; - FX_FILESIZE m_bufferOffset; - FX_DWORD m_bufferSize; - CFX_ByteString m_WordBuf; - uint8_t m_bufferData[512]; - CFX_DWordArray m_XRefStreamList; - CFX_DWordArray m_PageObjList; - FX_DWORD m_PagesObjNum; - FX_BOOL m_bLinearized; - FX_DWORD m_dwFirstPageNo; - FX_BOOL m_bLinearedDataOK; - FX_BOOL m_bMainXRefLoadTried; - FX_BOOL m_bMainXRefLoadedOK; - FX_BOOL m_bPagesTreeLoad; - FX_BOOL m_bPagesLoad; - CPDF_Parser* m_pCurrentParser; - FX_FILESIZE m_dwCurrentXRefSteam; - FX_BOOL m_bAnnotsLoad; - FX_BOOL m_bHaveAcroForm; - FX_DWORD m_dwAcroFormObjNum; - FX_BOOL m_bAcroFormLoad; - CPDF_Object* m_pAcroForm; - CFX_ArrayTemplate<CPDF_Object*> m_arrayAcroforms; - CPDF_Dictionary* m_pPageDict; - CPDF_Object* m_pPageResource; - FX_BOOL m_bNeedDownLoadResource; - FX_BOOL m_bPageLoadedOK; - FX_BOOL m_bLinearizedFormParamLoad; - CFX_ArrayTemplate<CPDF_Object*> m_PagesArray; - FX_DWORD m_dwEncryptObjNum; - FX_FILESIZE m_dwPrevXRefOffset; - FX_BOOL m_bTotalLoadPageTree; - FX_BOOL m_bCurPageDictLoadOK; - PageNode m_pageNodes; - std::set<FX_DWORD> m_pageMapCheckState; - std::set<FX_DWORD> m_pagesLoadState; - std::unique_ptr<CPDF_HintTables> m_pHintTables; - FX_BOOL m_bSupportHintTable; -}; - -#endif // CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_ |