diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_parser')
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp | 297 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/parser_int.h | 8 |
2 files changed, 91 insertions, 214 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp index 3696bb13db..6489b1ed98 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp @@ -36,10 +36,6 @@ struct SearchTagRecord { FX_DWORD m_Offset; }; -int CompareFileSize(const void* p1, const void* p2) { - return *(FX_FILESIZE*)p1 - *(FX_FILESIZE*)p2; -} - int32_t GetHeaderOffset(IFX_FileRead* pFile) { const FX_DWORD tag = FXDWORD_FROM_LSBFIRST(0x46445025); const size_t kBufSize = 4; @@ -179,7 +175,7 @@ void CPDF_Parser::CloseParser() { m_ObjectStreamMap.clear(); m_ObjCache.clear(); - m_SortedOffset.RemoveAll(); + m_SortedOffset.clear(); m_ObjectInfo.clear(); int32_t iLen = m_Trailers.GetSize(); for (int32_t i = 0; i < iLen; ++i) { @@ -226,13 +222,7 @@ CPDF_Parser::Error CPDF_Parser::StartParse(IFX_FileRead* pFileAccess) { FX_BOOL bXRefRebuilt = FALSE; if (m_Syntax.SearchWord("startxref", TRUE, FALSE, 4096)) { - FX_FILESIZE startxref_offset = m_Syntax.SavePos(); - void* pResult = FXSYS_bsearch(&startxref_offset, m_SortedOffset.GetData(), - m_SortedOffset.GetSize(), sizeof(FX_FILESIZE), - CompareFileSize); - if (!pResult) - m_SortedOffset.Add(startxref_offset); - + m_SortedOffset.insert(m_Syntax.SavePos()); m_Syntax.GetKeyword(); bool bNumber; CFX_ByteString xrefpos_str = m_Syntax.GetNextWord(&bNumber); @@ -275,8 +265,6 @@ CPDF_Parser::Error CPDF_Parser::StartParse(IFX_FileRead* pFileAccess) { if (!m_pDocument->GetRoot()) return FORMAT_ERROR; } - FXSYS_qsort(m_SortedOffset.GetData(), m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); if (GetRootObjNum() == 0) { ReleaseEncryptHandler(); if (!RebuildCrossRef() || GetRootObjNum() == 0) @@ -366,13 +354,13 @@ FX_BOOL CPDF_Parser::LoadAllCrossRefV4(FX_FILESIZE xrefpos) { if (xrefsize > 0 && xrefsize <= kMaxXRefSize) ShrinkObjectMap(xrefsize); - CFX_FileSizeArray CrossRefList; - CFX_FileSizeArray XRefStreamList; - CrossRefList.Add(xrefpos); - XRefStreamList.Add(GetDirectInteger(m_pTrailer, "XRefStm")); - + std::vector<FX_FILESIZE> CrossRefList; + std::vector<FX_FILESIZE> XRefStreamList; std::set<FX_FILESIZE> seen_xrefpos; + CrossRefList.push_back(xrefpos); + XRefStreamList.push_back(GetDirectInteger(m_pTrailer, "XRefStm")); seen_xrefpos.insert(xrefpos); + // When |m_pTrailer| doesn't have Prev entry or Prev entry value is not // numerical, GetDirectInteger() returns 0. Loading will end. xrefpos = GetDirectInteger(m_pTrailer, "Prev"); @@ -381,18 +369,20 @@ FX_BOOL CPDF_Parser::LoadAllCrossRefV4(FX_FILESIZE xrefpos) { if (pdfium::ContainsKey(seen_xrefpos, xrefpos)) return FALSE; seen_xrefpos.insert(xrefpos); - CrossRefList.InsertAt(0, xrefpos); + // SLOW ... + CrossRefList.insert(CrossRefList.begin(), xrefpos); LoadCrossRefV4(xrefpos, 0, TRUE); std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict( LoadTrailerV4()); if (!pDict) return FALSE; xrefpos = GetDirectInteger(pDict.get(), "Prev"); - - XRefStreamList.InsertAt(0, pDict->GetIntegerBy("XRefStm")); + // SLOW ... + XRefStreamList.insert(XRefStreamList.begin(), + pDict->GetIntegerBy("XRefStm")); m_Trailers.Add(pDict.release()); } - for (int32_t i = 0; i < CrossRefList.GetSize(); i++) { + for (size_t i = 0; i < CrossRefList.size(); ++i) { if (!LoadCrossRefV4(CrossRefList[i], XRefStreamList[i], FALSE)) return FALSE; } @@ -411,19 +401,22 @@ FX_BOOL CPDF_Parser::LoadLinearizedAllCrossRefV4(FX_FILESIZE xrefpos, if (xrefsize == 0) { return FALSE; } - CFX_FileSizeArray CrossRefList, XRefStreamList; - CrossRefList.Add(xrefpos); - XRefStreamList.Add(GetDirectInteger(m_pTrailer, "XRefStm")); + std::vector<FX_FILESIZE> CrossRefList; + std::vector<FX_FILESIZE> XRefStreamList; std::set<FX_FILESIZE> seen_xrefpos; + CrossRefList.push_back(xrefpos); + XRefStreamList.push_back(GetDirectInteger(m_pTrailer, "XRefStm")); seen_xrefpos.insert(xrefpos); + xrefpos = GetDirectInteger(m_pTrailer, "Prev"); while (xrefpos) { // Check for circular references. if (pdfium::ContainsKey(seen_xrefpos, xrefpos)) return FALSE; seen_xrefpos.insert(xrefpos); - CrossRefList.InsertAt(0, xrefpos); + // SLOW ... + CrossRefList.insert(CrossRefList.begin(), xrefpos); LoadCrossRefV4(xrefpos, 0, TRUE); std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict( LoadTrailerV4()); @@ -431,11 +424,12 @@ FX_BOOL CPDF_Parser::LoadLinearizedAllCrossRefV4(FX_FILESIZE xrefpos, return FALSE; } xrefpos = GetDirectInteger(pDict.get(), "Prev"); - - XRefStreamList.InsertAt(0, pDict->GetIntegerBy("XRefStm")); + // SLOW ... + XRefStreamList.insert(XRefStreamList.begin(), + pDict->GetIntegerBy("XRefStm")); m_Trailers.Add(pDict.release()); } - for (int32_t i = 1; i < CrossRefList.GetSize(); i++) + for (size_t i = 1; i < CrossRefList.size(); ++i) if (!LoadCrossRefV4(CrossRefList[i], XRefStreamList[i], FALSE)) { return FALSE; } @@ -445,12 +439,7 @@ FX_BOOL CPDF_Parser::LoadLinearizedCrossRefV4(FX_FILESIZE pos, FX_DWORD dwObjCount) { FX_FILESIZE dwStartPos = pos - m_Syntax.m_HeaderOffset; m_Syntax.RestorePos(dwStartPos); - void* pResult = - FXSYS_bsearch(&pos, m_SortedOffset.GetData(), m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); - if (!pResult) { - m_SortedOffset.Add(pos); - } + m_SortedOffset.insert(pos); FX_DWORD start_objnum = 0; FX_DWORD count = dwObjCount; FX_FILESIZE SavedPos = m_Syntax.SavePos(); @@ -489,12 +478,7 @@ FX_BOOL CPDF_Parser::LoadLinearizedCrossRefV4(FX_FILESIZE pos, } m_ObjectInfo[objnum].gennum = version; if (m_ObjectInfo[objnum].pos < m_Syntax.m_FileLen) { - void* pResult = FXSYS_bsearch( - &m_ObjectInfo[objnum].pos, m_SortedOffset.GetData(), - m_SortedOffset.GetSize(), sizeof(FX_FILESIZE), CompareFileSize); - if (!pResult) { - m_SortedOffset.Add(m_ObjectInfo[objnum].pos); - } + m_SortedOffset.insert(m_ObjectInfo[objnum].pos); } m_ObjectInfo[objnum].type = 1; } @@ -504,11 +488,6 @@ FX_BOOL CPDF_Parser::LoadLinearizedCrossRefV4(FX_FILESIZE pos, return TRUE; } -bool CPDF_Parser::FindPosInOffsets(FX_FILESIZE pos) const { - return FXSYS_bsearch(&pos, m_SortedOffset.GetData(), m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); -} - bool CPDF_Parser::LoadCrossRefV4(FX_FILESIZE pos, FX_FILESIZE streampos, FX_BOOL bSkip) { @@ -516,11 +495,9 @@ bool CPDF_Parser::LoadCrossRefV4(FX_FILESIZE pos, if (m_Syntax.GetKeyword() != "xref") return false; - if (!FindPosInOffsets(pos)) - m_SortedOffset.Add(pos); - - if (streampos && !FindPosInOffsets(streampos)) - m_SortedOffset.Add(streampos); + m_SortedOffset.insert(pos); + if (streampos) + m_SortedOffset.insert(streampos); while (1) { FX_FILESIZE SavedPos = m_Syntax.SavePos(); @@ -570,9 +547,8 @@ bool CPDF_Parser::LoadCrossRefV4(FX_FILESIZE pos, m_bVersionUpdated = TRUE; } m_ObjectInfo[objnum].gennum = version; - if (m_ObjectInfo[objnum].pos < m_Syntax.m_FileLen && - !FindPosInOffsets(m_ObjectInfo[objnum].pos)) { - m_SortedOffset.Add(m_ObjectInfo[objnum].pos); + if (m_ObjectInfo[objnum].pos < m_Syntax.m_FileLen) { + m_SortedOffset.insert(m_ObjectInfo[objnum].pos); } m_ObjectInfo[objnum].type = 1; } @@ -606,7 +582,7 @@ FX_BOOL CPDF_Parser::LoadAllCrossRefV5(FX_FILESIZE xrefpos) { FX_BOOL CPDF_Parser::RebuildCrossRef() { m_ObjectInfo.clear(); - m_SortedOffset.RemoveAll(); + m_SortedOffset.clear(); if (m_pTrailer) { m_pTrailer->Release(); m_pTrailer = NULL; @@ -767,14 +743,8 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() { break; } FX_FILESIZE obj_pos = start_pos - m_Syntax.m_HeaderOffset; + m_SortedOffset.insert(obj_pos); last_obj = start_pos; - void* pResult = - FXSYS_bsearch(&obj_pos, m_SortedOffset.GetData(), - m_SortedOffset.GetSize(), sizeof(FX_FILESIZE), - CompareFileSize); - if (!pResult) { - m_SortedOffset.Add(obj_pos); - } FX_FILESIZE obj_end = 0; CPDF_Object* pObject = ParseIndirectObjectAtByStrict( m_pDocument, obj_pos, objnum, &obj_end); @@ -974,13 +944,7 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() { } else if (last_trailer == -1 || last_xref < last_obj) { last_trailer = m_Syntax.m_FileLen; } - FX_FILESIZE offset = last_trailer - m_Syntax.m_HeaderOffset; - void* pResult = - FXSYS_bsearch(&offset, m_SortedOffset.GetData(), m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); - if (!pResult) { - m_SortedOffset.Add(offset); - } + m_SortedOffset.insert(last_trailer - m_Syntax.m_HeaderOffset); return m_pTrailer && !m_ObjectInfo.empty(); } @@ -1092,12 +1056,7 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) { FX_FILESIZE offset = GetVarInt(entrystart + WidthArray[0], WidthArray[1]); m_ObjectInfo[startnum + j].pos = offset; - void* pResult = FXSYS_bsearch(&offset, m_SortedOffset.GetData(), - m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); - if (!pResult) { - m_SortedOffset.Add(offset); - } + m_SortedOffset.insert(offset); continue; } if (GetObjectType(startnum + j)) { @@ -1111,12 +1070,7 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) { GetVarInt(entrystart + WidthArray[0], WidthArray[1]); m_ObjectInfo[startnum + j].pos = offset; if (type == 1) { - void* pResult = FXSYS_bsearch(&offset, m_SortedOffset.GetData(), - m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); - if (!pResult) { - m_SortedOffset.Add(offset); - } + m_SortedOffset.insert(offset); } else { if (offset < 0 || !IsValidObjectNumber(offset)) { pStream->Release(); @@ -1161,17 +1115,12 @@ FX_BOOL CPDF_Parser::IsFormStream(FX_DWORD objnum, FX_BOOL& bForm) { if (GetObjectType(objnum) == 2) return TRUE; FX_FILESIZE pos = m_ObjectInfo[objnum].pos; - void* pResult = - FXSYS_bsearch(&pos, m_SortedOffset.GetData(), m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); - if (!pResult) { + auto it = m_SortedOffset.find(pos); + if (it == m_SortedOffset.end()) return TRUE; - } - if ((FX_FILESIZE*)pResult - (FX_FILESIZE*)m_SortedOffset.GetData() == - m_SortedOffset.GetSize() - 1) { + if (++it == m_SortedOffset.end()) return FALSE; - } - FX_FILESIZE size = ((FX_FILESIZE*)pResult)[1] - pos; + FX_FILESIZE size = *it - pos; FX_FILESIZE SavedPos = m_Syntax.SavePos(); m_Syntax.RestorePos(pos); const char kFormStream[] = "/Form\0stream"; @@ -1253,23 +1202,18 @@ FX_FILESIZE CPDF_Parser::GetObjectSize(FX_DWORD objnum) const { if (GetObjectType(objnum) == 2) objnum = GetObjectPositionOrZero(objnum); - if (GetObjectType(objnum) == 1 || GetObjectType(objnum) == 255) { - FX_FILESIZE offset = GetObjectPositionOrZero(objnum); - if (offset == 0) - return 0; + if (GetObjectType(objnum) != 1 && GetObjectType(objnum) != 255) + return 0; - FX_FILESIZE* pResult = static_cast<FX_FILESIZE*>(FXSYS_bsearch( - &offset, m_SortedOffset.GetData(), m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize)); - if (!pResult) - return 0; + FX_FILESIZE offset = GetObjectPositionOrZero(objnum); + if (offset == 0) + return 0; - if (pResult - m_SortedOffset.GetData() == m_SortedOffset.GetSize() - 1) - return 0; + auto it = m_SortedOffset.find(offset); + if (it == m_SortedOffset.end() || ++it == m_SortedOffset.end()) + return 0; - return pResult[1] - offset; - } - return 0; + return *it - offset; } void CPDF_Parser::GetIndirectBinary(FX_DWORD objnum, @@ -1341,14 +1285,12 @@ void CPDF_Parser::GetIndirectBinary(FX_DWORD objnum, m_Syntax.RestorePos(SavedPos); return; } - void* pResult = - FXSYS_bsearch(&pos, m_SortedOffset.GetData(), m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); - if (!pResult) { + auto it = m_SortedOffset.find(pos); + if (it == m_SortedOffset.end() || ++it == m_SortedOffset.end()) { m_Syntax.RestorePos(SavedPos); return; } - FX_FILESIZE nextoff = ((FX_FILESIZE*)pResult)[1]; + FX_FILESIZE nextoff = *it; FX_BOOL bNextOffValid = FALSE; if (nextoff != pos) { m_Syntax.RestorePos(nextoff); @@ -1594,8 +1536,6 @@ CPDF_Parser::Error CPDF_Parser::StartAsyncParse(IFX_FileRead* pFileAccess) { return FORMAT_ERROR; } } - FXSYS_qsort(m_SortedOffset.GetData(), m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); if (GetRootObjNum() == 0) { ReleaseEncryptHandler(); if (!RebuildCrossRef() || GetRootObjNum() == 0) @@ -1663,8 +1603,6 @@ CPDF_Parser::Error CPDF_Parser::LoadLinearizedMainXRefTable() { m_Syntax.m_MetadataObjnum = dwSaveMetadataObjnum; return FORMAT_ERROR; } - FXSYS_qsort(m_SortedOffset.GetData(), m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); m_Syntax.m_MetadataObjnum = dwSaveMetadataObjnum; return SUCCESS; } @@ -2664,114 +2602,59 @@ class CPDF_DataAvail final : public IPDF_DataAvail { IFX_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_FileSizeArray m_CrossOffset; - 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; - CPDF_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; }; @@ -2865,26 +2748,21 @@ FX_DWORD CPDF_DataAvail::GetObjectSize(FX_DWORD objnum, FX_FILESIZE& offset) { if (pParser->GetObjectType(objnum) == 2) objnum = pParser->GetObjectPositionOrZero(objnum); - if (pParser->GetObjectType(objnum) == 1 || - pParser->GetObjectType(objnum) == 255) { - offset = pParser->GetObjectPositionOrZero(objnum); - if (offset == 0) { - return 0; - } - void* pResult = FXSYS_bsearch(&offset, pParser->m_SortedOffset.GetData(), - pParser->m_SortedOffset.GetSize(), - sizeof(FX_FILESIZE), CompareFileSize); - if (!pResult) { - return 0; - } - if ((FX_FILESIZE*)pResult - - (FX_FILESIZE*)pParser->m_SortedOffset.GetData() == - pParser->m_SortedOffset.GetSize() - 1) { - return 0; - } - return (FX_DWORD)(((FX_FILESIZE*)pResult)[1] - offset); + if (pParser->GetObjectType(objnum) != 1 && + pParser->GetObjectType(objnum) != 255) { + return 0; } - return 0; + + offset = pParser->GetObjectPositionOrZero(objnum); + if (offset == 0) + return 0; + + auto it = pParser->m_SortedOffset.find(offset); + if (it == pParser->m_SortedOffset.end() || + ++it == pParser->m_SortedOffset.end()) { + return 0; + } + return *it - offset; } FX_BOOL CPDF_DataAvail::IsObjectsAvail( CFX_ArrayTemplate<CPDF_Object*>& obj_array, @@ -3107,9 +2985,6 @@ FX_BOOL CPDF_DataAvail::LoadAllXref(IFX_DownloadHints* pHints) { m_docStatus = PDF_DATAAVAIL_LOADALLFILE; return FALSE; } - FXSYS_qsort(m_parser.m_SortedOffset.GetData(), - m_parser.m_SortedOffset.GetSize(), sizeof(FX_FILESIZE), - CompareFileSize); m_dwRootObjNum = m_parser.GetRootObjNum(); m_dwInfoObjNum = m_parser.GetInfoObjNum(); m_pCurrentParser = &m_parser; @@ -3810,7 +3685,6 @@ FX_BOOL CPDF_DataAvail::CheckCrossRef(IFX_DownloadHints* pHints) { return FALSE; } if (token == "xref") { - m_CrossOffset.InsertAt(0, m_dwXRefOffset); while (1) { if (!GetNextToken(token)) { iSize = @@ -4486,14 +4360,15 @@ CPDF_HintTables::~CPDF_HintTables() { m_dwNSharedObjsArray.RemoveAll(); m_dwSharedObjNumArray.RemoveAll(); m_dwIdentifierArray.RemoveAll(); - m_szPageOffsetArray.RemoveAll(); - m_szSharedObjOffsetArray.RemoveAll(); } -FX_DWORD CPDF_HintTables::GetItemLength(int index, - const CFX_FileSizeArray& szArray) { - if (index < 0 || szArray.GetSize() < 2 || index > szArray.GetSize() - 2 || - szArray[index] > szArray[index + 1]) +FX_DWORD CPDF_HintTables::GetItemLength( + int index, + const std::vector<FX_FILESIZE>& szArray) { + if (index < 0 || szArray.size() < 2 || + static_cast<size_t>(index) > szArray.size() - 2 || + szArray[index] > szArray[index + 1]) { return 0; + } return szArray[index + 1] - szArray[index]; } FX_BOOL CPDF_HintTables::ReadPageHintTable(CFX_BitStream* hStream) { @@ -4583,26 +4458,26 @@ FX_BOOL CPDF_HintTables::ReadPageHintTable(CFX_BitStream* hStream) { int nFirstPageNum = pFirstPageNum ? pFirstPageNum->GetInteger() : 0; for (int i = 0; i < nPages; ++i) { if (i == nFirstPageNum) { - m_szPageOffsetArray.Add(m_szFirstPageObjOffset); + m_szPageOffsetArray.push_back(m_szFirstPageObjOffset); } else if (i == nFirstPageNum + 1) { if (i == 1) { - m_szPageOffsetArray.Add(nOffsetE); + m_szPageOffsetArray.push_back(nOffsetE); } else { - m_szPageOffsetArray.Add(m_szPageOffsetArray[i - 2] + - dwPageLenArray[i - 2]); + m_szPageOffsetArray.push_back(m_szPageOffsetArray[i - 2] + + dwPageLenArray[i - 2]); } } else { if (i == 0) { - m_szPageOffsetArray.Add(nOffsetE); + m_szPageOffsetArray.push_back(nOffsetE); } else { - m_szPageOffsetArray.Add(m_szPageOffsetArray[i - 1] + - dwPageLenArray[i - 1]); + m_szPageOffsetArray.push_back(m_szPageOffsetArray[i - 1] + + dwPageLenArray[i - 1]); } } } if (nPages > 0) { - m_szPageOffsetArray.Add(m_szPageOffsetArray[nPages - 1] + - dwPageLenArray[nPages - 1]); + m_szPageOffsetArray.push_back(m_szPageOffsetArray[nPages - 1] + + dwPageLenArray[nPages - 1]); } hStream->ByteAlign(); @@ -4704,7 +4579,7 @@ FX_BOOL CPDF_HintTables::ReadSharedObjHintTable(CFX_BitStream* hStream, if (i < m_nFirstPageSharedObjs) { m_dwSharedObjNumArray.Add(nFirstPageObjNum + i); if (i == 0) - m_szSharedObjOffsetArray.Add(m_szFirstPageObjOffset); + m_szSharedObjOffsetArray.push_back(m_szFirstPageObjOffset); } else { FX_SAFE_DWORD safeObjNum = dwFirstSharedObjNum; safeObjNum += i - m_nFirstPageSharedObjs; @@ -4712,7 +4587,7 @@ FX_BOOL CPDF_HintTables::ReadSharedObjHintTable(CFX_BitStream* hStream, return FALSE; m_dwSharedObjNumArray.Add(safeObjNum.ValueOrDie()); if (i == m_nFirstPageSharedObjs) - m_szSharedObjOffsetArray.Add( + m_szSharedObjOffsetArray.push_back( pdfium::base::checked_cast<int32_t>(dwFirstSharedObjLoc)); } if (i != 0 && i != m_nFirstPageSharedObjs) { @@ -4720,7 +4595,7 @@ FX_BOOL CPDF_HintTables::ReadSharedObjHintTable(CFX_BitStream* hStream, safeLoc += m_szSharedObjOffsetArray[i - 1]; if (!safeLoc.IsValid()) return FALSE; - m_szSharedObjOffsetArray.Add(safeLoc.ValueOrDie()); + m_szSharedObjOffsetArray.push_back(safeLoc.ValueOrDie()); } } if (dwSharedObjTotal > 0) { @@ -4728,7 +4603,7 @@ FX_BOOL CPDF_HintTables::ReadSharedObjHintTable(CFX_BitStream* hStream, safeLoc += m_szSharedObjOffsetArray[dwSharedObjTotal - 1]; if (!safeLoc.IsValid()) return FALSE; - m_szSharedObjOffsetArray.Add(safeLoc.ValueOrDie()); + m_szSharedObjOffsetArray.push_back(safeLoc.ValueOrDie()); } hStream->ByteAlign(); if (hStream->BitsRemaining() < dwSharedObjTotal) diff --git a/core/src/fpdfapi/fpdf_parser/parser_int.h b/core/src/fpdfapi/fpdf_parser/parser_int.h index 70b5fcf870..b4865842ea 100644 --- a/core/src/fpdfapi/fpdf_parser/parser_int.h +++ b/core/src/fpdfapi/fpdf_parser/parser_int.h @@ -7,6 +7,8 @@ #ifndef CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ #define CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ +#include <vector> + #include "core/include/fxcrt/fx_basic.h" #include "core/include/fxcrt/fx_stream.h" @@ -36,7 +38,7 @@ class CPDF_HintTables { protected: FX_BOOL ReadPageHintTable(CFX_BitStream* hStream); FX_BOOL ReadSharedObjHintTable(CFX_BitStream* hStream, FX_DWORD offset); - FX_DWORD GetItemLength(int index, const CFX_FileSizeArray& szArray); + FX_DWORD GetItemLength(int index, const std::vector<FX_FILESIZE>& szArray); private: int ReadPrimaryHintStreamOffset() const; @@ -50,8 +52,8 @@ class CPDF_HintTables { CFX_DWordArray m_dwNSharedObjsArray; CFX_DWordArray m_dwSharedObjNumArray; CFX_DWordArray m_dwIdentifierArray; - CFX_FileSizeArray m_szPageOffsetArray; - CFX_FileSizeArray m_szSharedObjOffsetArray; + std::vector<FX_FILESIZE> m_szPageOffsetArray; + std::vector<FX_FILESIZE> m_szSharedObjOffsetArray; }; #endif // CORE_SRC_FPDFAPI_FPDF_PARSER_PARSER_INT_H_ |