| OLD | NEW |
| 1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #ifndef CORE_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_ | 7 #ifndef CORE_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_ |
| 8 #define CORE_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_ | 8 #define CORE_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_ |
| 9 | 9 |
| 10 #include "core/fpdfapi/fpdf_parser/cpdf_hint_tables.h" | 10 #include "core/fpdfapi/fpdf_parser/cpdf_hint_tables.h" |
| (...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 56 FX_BOOL bSupportHintTable); | 56 FX_BOOL bSupportHintTable); |
| 57 ~CPDF_DataAvail() override; | 57 ~CPDF_DataAvail() override; |
| 58 | 58 |
| 59 // IPDF_DataAvail: | 59 // IPDF_DataAvail: |
| 60 DocAvailStatus IsDocAvail(DownloadHints* pHints) override; | 60 DocAvailStatus IsDocAvail(DownloadHints* pHints) override; |
| 61 void SetDocument(CPDF_Document* pDoc) override; | 61 void SetDocument(CPDF_Document* pDoc) override; |
| 62 DocAvailStatus IsPageAvail(int iPage, DownloadHints* pHints) override; | 62 DocAvailStatus IsPageAvail(int iPage, DownloadHints* pHints) override; |
| 63 DocFormStatus IsFormAvail(DownloadHints* pHints) override; | 63 DocFormStatus IsFormAvail(DownloadHints* pHints) override; |
| 64 DocLinearizationStatus IsLinearizedPDF() override; | 64 DocLinearizationStatus IsLinearizedPDF() override; |
| 65 FX_BOOL IsLinearized() override { return m_bLinearized; } | 65 FX_BOOL IsLinearized() override { return m_bLinearized; } |
| 66 void GetLinearizedMainXRefInfo(FX_FILESIZE* pPos, FX_DWORD* pSize) override; | 66 void GetLinearizedMainXRefInfo(FX_FILESIZE* pPos, uint32_t* pSize) override; |
| 67 | 67 |
| 68 int GetPageCount() const; | 68 int GetPageCount() const; |
| 69 CPDF_Dictionary* GetPage(int index); | 69 CPDF_Dictionary* GetPage(int index); |
| 70 | 70 |
| 71 friend class CPDF_HintTables; | 71 friend class CPDF_HintTables; |
| 72 | 72 |
| 73 protected: | 73 protected: |
| 74 class PageNode { | 74 class PageNode { |
| 75 public: | 75 public: |
| 76 PageNode(); | 76 PageNode(); |
| 77 ~PageNode(); | 77 ~PageNode(); |
| 78 | 78 |
| 79 PDF_PAGENODE_TYPE m_type; | 79 PDF_PAGENODE_TYPE m_type; |
| 80 FX_DWORD m_dwPageNo; | 80 uint32_t m_dwPageNo; |
| 81 CFX_ArrayTemplate<PageNode*> m_childNode; | 81 CFX_ArrayTemplate<PageNode*> m_childNode; |
| 82 }; | 82 }; |
| 83 | 83 |
| 84 static const int kMaxDataAvailRecursionDepth = 64; | 84 static const int kMaxDataAvailRecursionDepth = 64; |
| 85 static int s_CurrentDataAvailRecursionDepth; | 85 static int s_CurrentDataAvailRecursionDepth; |
| 86 static const int kMaxPageRecursionDepth = 1024; | 86 static const int kMaxPageRecursionDepth = 1024; |
| 87 | 87 |
| 88 FX_DWORD GetObjectSize(FX_DWORD objnum, FX_FILESIZE& offset); | 88 uint32_t GetObjectSize(uint32_t objnum, FX_FILESIZE& offset); |
| 89 FX_BOOL IsObjectsAvail(CFX_ArrayTemplate<CPDF_Object*>& obj_array, | 89 FX_BOOL IsObjectsAvail(CFX_ArrayTemplate<CPDF_Object*>& obj_array, |
| 90 FX_BOOL bParsePage, | 90 FX_BOOL bParsePage, |
| 91 IPDF_DataAvail::DownloadHints* pHints, | 91 IPDF_DataAvail::DownloadHints* pHints, |
| 92 CFX_ArrayTemplate<CPDF_Object*>& ret_array); | 92 CFX_ArrayTemplate<CPDF_Object*>& ret_array); |
| 93 FX_BOOL CheckDocStatus(IPDF_DataAvail::DownloadHints* pHints); | 93 FX_BOOL CheckDocStatus(IPDF_DataAvail::DownloadHints* pHints); |
| 94 FX_BOOL CheckHeader(IPDF_DataAvail::DownloadHints* pHints); | 94 FX_BOOL CheckHeader(IPDF_DataAvail::DownloadHints* pHints); |
| 95 FX_BOOL CheckFirstPage(IPDF_DataAvail::DownloadHints* pHints); | 95 FX_BOOL CheckFirstPage(IPDF_DataAvail::DownloadHints* pHints); |
| 96 FX_BOOL CheckHintTables(IPDF_DataAvail::DownloadHints* pHints); | 96 FX_BOOL CheckHintTables(IPDF_DataAvail::DownloadHints* pHints); |
| 97 FX_BOOL CheckEnd(IPDF_DataAvail::DownloadHints* pHints); | 97 FX_BOOL CheckEnd(IPDF_DataAvail::DownloadHints* pHints); |
| 98 FX_BOOL CheckCrossRef(IPDF_DataAvail::DownloadHints* pHints); | 98 FX_BOOL CheckCrossRef(IPDF_DataAvail::DownloadHints* pHints); |
| 99 FX_BOOL CheckCrossRefItem(IPDF_DataAvail::DownloadHints* pHints); | 99 FX_BOOL CheckCrossRefItem(IPDF_DataAvail::DownloadHints* pHints); |
| 100 FX_BOOL CheckTrailer(IPDF_DataAvail::DownloadHints* pHints); | 100 FX_BOOL CheckTrailer(IPDF_DataAvail::DownloadHints* pHints); |
| 101 FX_BOOL CheckRoot(IPDF_DataAvail::DownloadHints* pHints); | 101 FX_BOOL CheckRoot(IPDF_DataAvail::DownloadHints* pHints); |
| 102 FX_BOOL CheckInfo(IPDF_DataAvail::DownloadHints* pHints); | 102 FX_BOOL CheckInfo(IPDF_DataAvail::DownloadHints* pHints); |
| 103 FX_BOOL CheckPages(IPDF_DataAvail::DownloadHints* pHints); | 103 FX_BOOL CheckPages(IPDF_DataAvail::DownloadHints* pHints); |
| 104 FX_BOOL CheckPage(IPDF_DataAvail::DownloadHints* pHints); | 104 FX_BOOL CheckPage(IPDF_DataAvail::DownloadHints* pHints); |
| 105 FX_BOOL CheckResources(IPDF_DataAvail::DownloadHints* pHints); | 105 FX_BOOL CheckResources(IPDF_DataAvail::DownloadHints* pHints); |
| 106 FX_BOOL CheckAnnots(IPDF_DataAvail::DownloadHints* pHints); | 106 FX_BOOL CheckAnnots(IPDF_DataAvail::DownloadHints* pHints); |
| 107 FX_BOOL CheckAcroForm(IPDF_DataAvail::DownloadHints* pHints); | 107 FX_BOOL CheckAcroForm(IPDF_DataAvail::DownloadHints* pHints); |
| 108 FX_BOOL CheckAcroFormSubObject(IPDF_DataAvail::DownloadHints* pHints); | 108 FX_BOOL CheckAcroFormSubObject(IPDF_DataAvail::DownloadHints* pHints); |
| 109 FX_BOOL CheckTrailerAppend(IPDF_DataAvail::DownloadHints* pHints); | 109 FX_BOOL CheckTrailerAppend(IPDF_DataAvail::DownloadHints* pHints); |
| 110 FX_BOOL CheckPageStatus(IPDF_DataAvail::DownloadHints* pHints); | 110 FX_BOOL CheckPageStatus(IPDF_DataAvail::DownloadHints* pHints); |
| 111 FX_BOOL CheckAllCrossRefStream(IPDF_DataAvail::DownloadHints* pHints); | 111 FX_BOOL CheckAllCrossRefStream(IPDF_DataAvail::DownloadHints* pHints); |
| 112 | 112 |
| 113 int32_t CheckCrossRefStream(IPDF_DataAvail::DownloadHints* pHints, | 113 int32_t CheckCrossRefStream(IPDF_DataAvail::DownloadHints* pHints, |
| 114 FX_FILESIZE& xref_offset); | 114 FX_FILESIZE& xref_offset); |
| 115 FX_BOOL IsLinearizedFile(uint8_t* pData, FX_DWORD dwLen); | 115 FX_BOOL IsLinearizedFile(uint8_t* pData, uint32_t dwLen); |
| 116 void SetStartOffset(FX_FILESIZE dwOffset); | 116 void SetStartOffset(FX_FILESIZE dwOffset); |
| 117 FX_BOOL GetNextToken(CFX_ByteString& token); | 117 FX_BOOL GetNextToken(CFX_ByteString& token); |
| 118 FX_BOOL GetNextChar(uint8_t& ch); | 118 FX_BOOL GetNextChar(uint8_t& ch); |
| 119 CPDF_Object* ParseIndirectObjectAt( | 119 CPDF_Object* ParseIndirectObjectAt( |
| 120 FX_FILESIZE pos, | 120 FX_FILESIZE pos, |
| 121 FX_DWORD objnum, | 121 uint32_t objnum, |
| 122 CPDF_IndirectObjectHolder* pObjList = nullptr); | 122 CPDF_IndirectObjectHolder* pObjList = nullptr); |
| 123 CPDF_Object* GetObject(FX_DWORD objnum, | 123 CPDF_Object* GetObject(uint32_t objnum, |
| 124 IPDF_DataAvail::DownloadHints* pHints, | 124 IPDF_DataAvail::DownloadHints* pHints, |
| 125 FX_BOOL* pExistInFile); | 125 FX_BOOL* pExistInFile); |
| 126 FX_BOOL GetPageKids(CPDF_Parser* pParser, CPDF_Object* pPages); | 126 FX_BOOL GetPageKids(CPDF_Parser* pParser, CPDF_Object* pPages); |
| 127 FX_BOOL PreparePageItem(); | 127 FX_BOOL PreparePageItem(); |
| 128 FX_BOOL LoadPages(IPDF_DataAvail::DownloadHints* pHints); | 128 FX_BOOL LoadPages(IPDF_DataAvail::DownloadHints* pHints); |
| 129 FX_BOOL LoadAllXref(IPDF_DataAvail::DownloadHints* pHints); | 129 FX_BOOL LoadAllXref(IPDF_DataAvail::DownloadHints* pHints); |
| 130 FX_BOOL LoadAllFile(IPDF_DataAvail::DownloadHints* pHints); | 130 FX_BOOL LoadAllFile(IPDF_DataAvail::DownloadHints* pHints); |
| 131 DocAvailStatus CheckLinearizedData(IPDF_DataAvail::DownloadHints* pHints); | 131 DocAvailStatus CheckLinearizedData(IPDF_DataAvail::DownloadHints* pHints); |
| 132 FX_BOOL CheckPageAnnots(int iPage, IPDF_DataAvail::DownloadHints* pHints); | 132 FX_BOOL CheckPageAnnots(int iPage, IPDF_DataAvail::DownloadHints* pHints); |
| 133 | 133 |
| 134 DocAvailStatus CheckLinearizedFirstPage( | 134 DocAvailStatus CheckLinearizedFirstPage( |
| 135 int iPage, | 135 int iPage, |
| 136 IPDF_DataAvail::DownloadHints* pHints); | 136 IPDF_DataAvail::DownloadHints* pHints); |
| 137 FX_BOOL HaveResourceAncestor(CPDF_Dictionary* pDict); | 137 FX_BOOL HaveResourceAncestor(CPDF_Dictionary* pDict); |
| 138 FX_BOOL CheckPage(int32_t iPage, IPDF_DataAvail::DownloadHints* pHints); | 138 FX_BOOL CheckPage(int32_t iPage, IPDF_DataAvail::DownloadHints* pHints); |
| 139 FX_BOOL LoadDocPages(IPDF_DataAvail::DownloadHints* pHints); | 139 FX_BOOL LoadDocPages(IPDF_DataAvail::DownloadHints* pHints); |
| 140 FX_BOOL LoadDocPage(int32_t iPage, IPDF_DataAvail::DownloadHints* pHints); | 140 FX_BOOL LoadDocPage(int32_t iPage, IPDF_DataAvail::DownloadHints* pHints); |
| 141 FX_BOOL CheckPageNode(PageNode& pageNodes, | 141 FX_BOOL CheckPageNode(PageNode& pageNodes, |
| 142 int32_t iPage, | 142 int32_t iPage, |
| 143 int32_t& iCount, | 143 int32_t& iCount, |
| 144 IPDF_DataAvail::DownloadHints* pHints, | 144 IPDF_DataAvail::DownloadHints* pHints, |
| 145 int level); | 145 int level); |
| 146 FX_BOOL CheckUnkownPageNode(FX_DWORD dwPageNo, | 146 FX_BOOL CheckUnkownPageNode(uint32_t dwPageNo, |
| 147 PageNode* pPageNode, | 147 PageNode* pPageNode, |
| 148 IPDF_DataAvail::DownloadHints* pHints); | 148 IPDF_DataAvail::DownloadHints* pHints); |
| 149 FX_BOOL CheckArrayPageNode(FX_DWORD dwPageNo, | 149 FX_BOOL CheckArrayPageNode(uint32_t dwPageNo, |
| 150 PageNode* pPageNode, | 150 PageNode* pPageNode, |
| 151 IPDF_DataAvail::DownloadHints* pHints); | 151 IPDF_DataAvail::DownloadHints* pHints); |
| 152 FX_BOOL CheckPageCount(IPDF_DataAvail::DownloadHints* pHints); | 152 FX_BOOL CheckPageCount(IPDF_DataAvail::DownloadHints* pHints); |
| 153 bool IsFirstCheck(int iPage); | 153 bool IsFirstCheck(int iPage); |
| 154 void ResetFirstCheck(int iPage); | 154 void ResetFirstCheck(int iPage); |
| 155 FX_BOOL IsDataAvail(FX_FILESIZE offset, | 155 FX_BOOL IsDataAvail(FX_FILESIZE offset, |
| 156 FX_DWORD size, | 156 uint32_t size, |
| 157 IPDF_DataAvail::DownloadHints* pHints); | 157 IPDF_DataAvail::DownloadHints* pHints); |
| 158 | 158 |
| 159 CPDF_Parser m_parser; | 159 CPDF_Parser m_parser; |
| 160 CPDF_SyntaxParser m_syntaxParser; | 160 CPDF_SyntaxParser m_syntaxParser; |
| 161 CPDF_Object* m_pRoot; | 161 CPDF_Object* m_pRoot; |
| 162 FX_DWORD m_dwRootObjNum; | 162 uint32_t m_dwRootObjNum; |
| 163 FX_DWORD m_dwInfoObjNum; | 163 uint32_t m_dwInfoObjNum; |
| 164 CPDF_Object* m_pLinearized; | 164 CPDF_Object* m_pLinearized; |
| 165 CPDF_Object* m_pTrailer; | 165 CPDF_Object* m_pTrailer; |
| 166 FX_BOOL m_bDocAvail; | 166 FX_BOOL m_bDocAvail; |
| 167 FX_FILESIZE m_dwHeaderOffset; | 167 FX_FILESIZE m_dwHeaderOffset; |
| 168 FX_FILESIZE m_dwLastXRefOffset; | 168 FX_FILESIZE m_dwLastXRefOffset; |
| 169 FX_FILESIZE m_dwXRefOffset; | 169 FX_FILESIZE m_dwXRefOffset; |
| 170 FX_FILESIZE m_dwTrailerOffset; | 170 FX_FILESIZE m_dwTrailerOffset; |
| 171 FX_FILESIZE m_dwCurrentOffset; | 171 FX_FILESIZE m_dwCurrentOffset; |
| 172 PDF_DATAAVAIL_STATUS m_docStatus; | 172 PDF_DATAAVAIL_STATUS m_docStatus; |
| 173 FX_FILESIZE m_dwFileLen; | 173 FX_FILESIZE m_dwFileLen; |
| 174 CPDF_Document* m_pDocument; | 174 CPDF_Document* m_pDocument; |
| 175 std::set<FX_DWORD> m_ObjectSet; | 175 std::set<uint32_t> m_ObjectSet; |
| 176 CFX_ArrayTemplate<CPDF_Object*> m_objs_array; | 176 CFX_ArrayTemplate<CPDF_Object*> m_objs_array; |
| 177 FX_FILESIZE m_Pos; | 177 FX_FILESIZE m_Pos; |
| 178 FX_FILESIZE m_bufferOffset; | 178 FX_FILESIZE m_bufferOffset; |
| 179 FX_DWORD m_bufferSize; | 179 uint32_t m_bufferSize; |
| 180 CFX_ByteString m_WordBuf; | 180 CFX_ByteString m_WordBuf; |
| 181 uint8_t m_bufferData[512]; | 181 uint8_t m_bufferData[512]; |
| 182 CFX_ArrayTemplate<FX_DWORD> m_XRefStreamList; | 182 CFX_ArrayTemplate<uint32_t> m_XRefStreamList; |
| 183 CFX_ArrayTemplate<FX_DWORD> m_PageObjList; | 183 CFX_ArrayTemplate<uint32_t> m_PageObjList; |
| 184 FX_DWORD m_PagesObjNum; | 184 uint32_t m_PagesObjNum; |
| 185 FX_BOOL m_bLinearized; | 185 FX_BOOL m_bLinearized; |
| 186 FX_DWORD m_dwFirstPageNo; | 186 uint32_t m_dwFirstPageNo; |
| 187 FX_BOOL m_bLinearedDataOK; | 187 FX_BOOL m_bLinearedDataOK; |
| 188 FX_BOOL m_bMainXRefLoadTried; | 188 FX_BOOL m_bMainXRefLoadTried; |
| 189 FX_BOOL m_bMainXRefLoadedOK; | 189 FX_BOOL m_bMainXRefLoadedOK; |
| 190 FX_BOOL m_bPagesTreeLoad; | 190 FX_BOOL m_bPagesTreeLoad; |
| 191 FX_BOOL m_bPagesLoad; | 191 FX_BOOL m_bPagesLoad; |
| 192 CPDF_Parser* m_pCurrentParser; | 192 CPDF_Parser* m_pCurrentParser; |
| 193 FX_FILESIZE m_dwCurrentXRefSteam; | 193 FX_FILESIZE m_dwCurrentXRefSteam; |
| 194 FX_BOOL m_bAnnotsLoad; | 194 FX_BOOL m_bAnnotsLoad; |
| 195 FX_BOOL m_bHaveAcroForm; | 195 FX_BOOL m_bHaveAcroForm; |
| 196 FX_DWORD m_dwAcroFormObjNum; | 196 uint32_t m_dwAcroFormObjNum; |
| 197 FX_BOOL m_bAcroFormLoad; | 197 FX_BOOL m_bAcroFormLoad; |
| 198 CPDF_Object* m_pAcroForm; | 198 CPDF_Object* m_pAcroForm; |
| 199 CFX_ArrayTemplate<CPDF_Object*> m_arrayAcroforms; | 199 CFX_ArrayTemplate<CPDF_Object*> m_arrayAcroforms; |
| 200 CPDF_Dictionary* m_pPageDict; | 200 CPDF_Dictionary* m_pPageDict; |
| 201 CPDF_Object* m_pPageResource; | 201 CPDF_Object* m_pPageResource; |
| 202 FX_BOOL m_bNeedDownLoadResource; | 202 FX_BOOL m_bNeedDownLoadResource; |
| 203 FX_BOOL m_bPageLoadedOK; | 203 FX_BOOL m_bPageLoadedOK; |
| 204 FX_BOOL m_bLinearizedFormParamLoad; | 204 FX_BOOL m_bLinearizedFormParamLoad; |
| 205 CFX_ArrayTemplate<CPDF_Object*> m_PagesArray; | 205 CFX_ArrayTemplate<CPDF_Object*> m_PagesArray; |
| 206 FX_DWORD m_dwEncryptObjNum; | 206 uint32_t m_dwEncryptObjNum; |
| 207 FX_FILESIZE m_dwPrevXRefOffset; | 207 FX_FILESIZE m_dwPrevXRefOffset; |
| 208 FX_BOOL m_bTotalLoadPageTree; | 208 FX_BOOL m_bTotalLoadPageTree; |
| 209 FX_BOOL m_bCurPageDictLoadOK; | 209 FX_BOOL m_bCurPageDictLoadOK; |
| 210 PageNode m_pageNodes; | 210 PageNode m_pageNodes; |
| 211 std::set<FX_DWORD> m_pageMapCheckState; | 211 std::set<uint32_t> m_pageMapCheckState; |
| 212 std::set<FX_DWORD> m_pagesLoadState; | 212 std::set<uint32_t> m_pagesLoadState; |
| 213 std::unique_ptr<CPDF_HintTables> m_pHintTables; | 213 std::unique_ptr<CPDF_HintTables> m_pHintTables; |
| 214 FX_BOOL m_bSupportHintTable; | 214 FX_BOOL m_bSupportHintTable; |
| 215 }; | 215 }; |
| 216 | 216 |
| 217 #endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_ | 217 #endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_DATA_AVAIL_H_ |
| OLD | NEW |