diff options
Diffstat (limited to 'core/fpdfapi/parser/cpdf_parser.cpp')
| -rw-r--r-- | core/fpdfapi/parser/cpdf_parser.cpp | 164 |
1 files changed, 82 insertions, 82 deletions
diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp index c2748882cf..cff0f77b32 100644 --- a/core/fpdfapi/parser/cpdf_parser.cpp +++ b/core/fpdfapi/parser/cpdf_parser.cpp @@ -144,7 +144,7 @@ CPDF_Parser::Error CPDF_Parser::StartParse(IFX_SeekableReadStream* pFileAccess, ASSERT(!m_bHasParsed); m_bHasParsed = true; - m_bXRefStream = FALSE; + m_bXRefStream = false; m_LastXRefOffset = 0; m_bOwnFileRead = true; @@ -173,8 +173,8 @@ CPDF_Parser::Error CPDF_Parser::StartParse(IFX_SeekableReadStream* pFileAccess, m_pSyntax->RestorePos(m_pSyntax->m_FileLen - m_pSyntax->m_HeaderOffset - 9); m_pDocument = pDocument; - FX_BOOL bXRefRebuilt = FALSE; - if (m_pSyntax->SearchWord("startxref", TRUE, FALSE, 4096)) { + bool bXRefRebuilt = false; + if (m_pSyntax->SearchWord("startxref", true, false, 4096)) { m_SortedOffset.insert(m_pSyntax->SavePos()); m_pSyntax->GetKeyword(); @@ -189,14 +189,14 @@ CPDF_Parser::Error CPDF_Parser::StartParse(IFX_SeekableReadStream* pFileAccess, if (!RebuildCrossRef()) return FORMAT_ERROR; - bXRefRebuilt = TRUE; + bXRefRebuilt = true; m_LastXRefOffset = 0; } } else { if (!RebuildCrossRef()) return FORMAT_ERROR; - bXRefRebuilt = TRUE; + bXRefRebuilt = true; } Error eRet = SetEncryptHandler(); if (eRet != SUCCESS) @@ -323,13 +323,13 @@ bool CPDF_Parser::VerifyCrossRefV4() { return true; } -FX_BOOL CPDF_Parser::LoadAllCrossRefV4(FX_FILESIZE xrefpos) { - if (!LoadCrossRefV4(xrefpos, 0, TRUE)) - return FALSE; +bool CPDF_Parser::LoadAllCrossRefV4(FX_FILESIZE xrefpos) { + if (!LoadCrossRefV4(xrefpos, 0, true)) + return false; m_pTrailer = LoadTrailerV4(); if (!m_pTrailer) - return FALSE; + return false; int32_t xrefsize = GetDirectInteger(m_pTrailer, "Size"); if (xrefsize > 0 && xrefsize <= kMaxXRefSize) @@ -349,18 +349,18 @@ FX_BOOL CPDF_Parser::LoadAllCrossRefV4(FX_FILESIZE xrefpos) { while (xrefpos) { // Check for circular references. if (pdfium::ContainsKey(seen_xrefpos, xrefpos)) - return FALSE; + return false; seen_xrefpos.insert(xrefpos); // SLOW ... CrossRefList.insert(CrossRefList.begin(), xrefpos); - LoadCrossRefV4(xrefpos, 0, TRUE); + LoadCrossRefV4(xrefpos, 0, true); std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict( LoadTrailerV4()); if (!pDict) - return FALSE; + return false; xrefpos = GetDirectInteger(pDict.get(), "Prev"); @@ -371,26 +371,26 @@ FX_BOOL CPDF_Parser::LoadAllCrossRefV4(FX_FILESIZE xrefpos) { } for (size_t i = 0; i < CrossRefList.size(); ++i) { - if (!LoadCrossRefV4(CrossRefList[i], XRefStreamList[i], FALSE)) - return FALSE; + if (!LoadCrossRefV4(CrossRefList[i], XRefStreamList[i], false)) + return false; if (i == 0 && !VerifyCrossRefV4()) - return FALSE; + return false; } - return TRUE; + return true; } -FX_BOOL CPDF_Parser::LoadLinearizedAllCrossRefV4(FX_FILESIZE xrefpos, - uint32_t dwObjCount) { +bool CPDF_Parser::LoadLinearizedAllCrossRefV4(FX_FILESIZE xrefpos, + uint32_t dwObjCount) { if (!LoadLinearizedCrossRefV4(xrefpos, dwObjCount)) - return FALSE; + return false; m_pTrailer = LoadTrailerV4(); if (!m_pTrailer) - return FALSE; + return false; int32_t xrefsize = GetDirectInteger(m_pTrailer, "Size"); if (xrefsize == 0) - return FALSE; + return false; std::vector<FX_FILESIZE> CrossRefList; std::vector<FX_FILESIZE> XRefStreamList; @@ -404,18 +404,18 @@ FX_BOOL CPDF_Parser::LoadLinearizedAllCrossRefV4(FX_FILESIZE xrefpos, while (xrefpos) { // Check for circular references. if (pdfium::ContainsKey(seen_xrefpos, xrefpos)) - return FALSE; + return false; seen_xrefpos.insert(xrefpos); // SLOW ... CrossRefList.insert(CrossRefList.begin(), xrefpos); - LoadCrossRefV4(xrefpos, 0, TRUE); + LoadCrossRefV4(xrefpos, 0, true); std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict( LoadTrailerV4()); if (!pDict) - return FALSE; + return false; xrefpos = GetDirectInteger(pDict.get(), "Prev"); @@ -426,14 +426,14 @@ FX_BOOL CPDF_Parser::LoadLinearizedAllCrossRefV4(FX_FILESIZE xrefpos, } for (size_t i = 1; i < CrossRefList.size(); ++i) { - if (!LoadCrossRefV4(CrossRefList[i], XRefStreamList[i], FALSE)) - return FALSE; + if (!LoadCrossRefV4(CrossRefList[i], XRefStreamList[i], false)) + return false; } - return TRUE; + return true; } -FX_BOOL CPDF_Parser::LoadLinearizedCrossRefV4(FX_FILESIZE pos, - uint32_t dwObjCount) { +bool CPDF_Parser::LoadLinearizedCrossRefV4(FX_FILESIZE pos, + uint32_t dwObjCount) { FX_FILESIZE dwStartPos = pos - m_pSyntax->m_HeaderOffset; m_pSyntax->RestorePos(dwStartPos); @@ -452,11 +452,11 @@ FX_BOOL CPDF_Parser::LoadLinearizedCrossRefV4(FX_FILESIZE pos, int32_t block_size = block == nBlocks - 1 ? count % 1024 : 1024; uint32_t dwReadSize = block_size * recordsize; if ((FX_FILESIZE)(dwStartPos + dwReadSize) > m_pSyntax->m_FileLen) - return FALSE; + return false; if (!m_pSyntax->ReadBlock(reinterpret_cast<uint8_t*>(buf.data()), dwReadSize)) { - return FALSE; + return false; } for (int32_t i = 0; i < block_size; i++) { @@ -470,7 +470,7 @@ FX_BOOL CPDF_Parser::LoadLinearizedCrossRefV4(FX_FILESIZE pos, if (offset == 0) { for (int32_t c = 0; c < 10; c++) { if (!std::isdigit(pEntry[c])) - return FALSE; + return false; } } @@ -488,12 +488,12 @@ FX_BOOL CPDF_Parser::LoadLinearizedCrossRefV4(FX_FILESIZE pos, } } m_pSyntax->RestorePos(SavedPos + count * recordsize); - return TRUE; + return true; } bool CPDF_Parser::LoadCrossRefV4(FX_FILESIZE pos, FX_FILESIZE streampos, - FX_BOOL bSkip) { + bool bSkip) { m_pSyntax->RestorePos(pos); if (m_pSyntax->GetKeyword() != "xref") return false; @@ -565,29 +565,29 @@ bool CPDF_Parser::LoadCrossRefV4(FX_FILESIZE pos, } m_pSyntax->RestorePos(SavedPos + count * recordsize); } - return !streampos || LoadCrossRefV5(&streampos, FALSE); + return !streampos || LoadCrossRefV5(&streampos, false); } -FX_BOOL CPDF_Parser::LoadAllCrossRefV5(FX_FILESIZE xrefpos) { - if (!LoadCrossRefV5(&xrefpos, TRUE)) - return FALSE; +bool CPDF_Parser::LoadAllCrossRefV5(FX_FILESIZE xrefpos) { + if (!LoadCrossRefV5(&xrefpos, true)) + return false; std::set<FX_FILESIZE> seen_xrefpos; while (xrefpos) { seen_xrefpos.insert(xrefpos); - if (!LoadCrossRefV5(&xrefpos, FALSE)) - return FALSE; + if (!LoadCrossRefV5(&xrefpos, false)) + return false; // Check for circular references. if (pdfium::ContainsKey(seen_xrefpos, xrefpos)) - return FALSE; + return false; } m_ObjectStreamMap.clear(); - m_bXRefStream = TRUE; - return TRUE; + m_bXRefStream = true; + return true; } -FX_BOOL CPDF_Parser::RebuildCrossRef() { +bool CPDF_Parser::RebuildCrossRef() { m_ObjectInfo.clear(); m_SortedOffset.clear(); if (m_pTrailer) { @@ -954,35 +954,35 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() { return m_pTrailer && !m_ObjectInfo.empty(); } -FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) { +bool CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, bool bMainXRef) { std::unique_ptr<CPDF_Object> pObject( ParseIndirectObjectAt(m_pDocument, *pos, 0)); if (!pObject) - return FALSE; + return false; CPDF_Object* pUnownedObject = pObject.get(); if (m_pDocument) { CPDF_Dictionary* pRootDict = m_pDocument->GetRoot(); if (pRootDict && pRootDict->GetObjNum() == pObject->m_ObjNum) - return FALSE; + return false; // Takes ownership of object (std::move someday). uint32_t objnum = pObject->m_ObjNum; if (!m_pDocument->ReplaceIndirectObjectIfHigherGeneration( objnum, pObject.release())) { - return FALSE; + return false; } } CPDF_Stream* pStream = pUnownedObject->AsStream(); if (!pStream) - return FALSE; + return false; CPDF_Dictionary* pDict = pStream->GetDict(); *pos = pDict->GetIntegerFor("Prev"); int32_t size = pDict->GetIntegerFor("Size"); if (size < 0) - return FALSE; + return false; CPDF_Dictionary* pNewTrailer = ToDictionary(pDict->Clone()); if (bMainXRef) { @@ -1015,7 +1015,7 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) { pArray = pDict->GetArrayFor("W"); if (!pArray) - return FALSE; + return false; CFX_ArrayTemplate<uint32_t> WidthArray; FX_SAFE_UINT32 dwAccWidth = 0; @@ -1025,7 +1025,7 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) { } if (!dwAccWidth.IsValid() || WidthArray.GetSize() < 3) - return FALSE; + return false; uint32_t totalWidth = dwAccWidth.ValueOrDie(); CPDF_StreamAcc acc; @@ -1086,14 +1086,14 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) { m_SortedOffset.insert(offset); } else { if (offset < 0 || !IsValidObjectNumber(offset)) - return FALSE; + return false; m_ObjectInfo[offset].type = 255; } } } segindex += count; } - return TRUE; + return true; } CPDF_Array* CPDF_Parser::GetIDArray() { @@ -1145,7 +1145,7 @@ CPDF_Object* CPDF_Parser::ParseIndirectObject( return nullptr; ScopedFileStream file(FX_CreateMemoryStream( - (uint8_t*)pObjStream->GetData(), (size_t)pObjStream->GetSize(), FALSE)); + (uint8_t*)pObjStream->GetData(), (size_t)pObjStream->GetSize(), false)); CPDF_SyntaxParser syntax; syntax.InitParser(file.get(), 0); const int32_t offset = GetStreamFirst(pObjStream); @@ -1224,7 +1224,7 @@ void CPDF_Parser::GetIndirectBinary(uint32_t objnum, const uint8_t* pData = pObjStream->GetData(); uint32_t totalsize = pObjStream->GetSize(); ScopedFileStream file( - FX_CreateMemoryStream((uint8_t*)pData, (size_t)totalsize, FALSE)); + FX_CreateMemoryStream((uint8_t*)pData, (size_t)totalsize, false)); CPDF_SyntaxParser syntax; syntax.InitParser(file.get(), 0); @@ -1290,16 +1290,16 @@ void CPDF_Parser::GetIndirectBinary(uint32_t objnum, } FX_FILESIZE nextoff = *it; - FX_BOOL bNextOffValid = FALSE; + bool bNextOffValid = false; if (nextoff != pos) { m_pSyntax->RestorePos(nextoff); word = m_pSyntax->GetNextWord(&bIsNumber); if (word == "xref") { - bNextOffValid = TRUE; + bNextOffValid = true; } else if (bIsNumber) { word = m_pSyntax->GetNextWord(&bIsNumber); if (bIsNumber && m_pSyntax->GetKeyword() == "obj") { - bNextOffValid = TRUE; + bNextOffValid = true; } } } @@ -1438,8 +1438,8 @@ uint32_t CPDF_Parser::GetPermissions() const { return dwPermission; } -FX_BOOL CPDF_Parser::IsLinearizedFile(IFX_SeekableReadStream* pFileAccess, - uint32_t offset) { +bool CPDF_Parser::IsLinearizedFile(IFX_SeekableReadStream* pFileAccess, + uint32_t offset) { m_pSyntax->InitParser(pFileAccess, offset); m_pSyntax->RestorePos(m_pSyntax->m_HeaderOffset + 9); @@ -1447,22 +1447,22 @@ FX_BOOL CPDF_Parser::IsLinearizedFile(IFX_SeekableReadStream* pFileAccess, bool bIsNumber; CFX_ByteString word = m_pSyntax->GetNextWord(&bIsNumber); if (!bIsNumber) - return FALSE; + return false; uint32_t objnum = FXSYS_atoui(word.c_str()); word = m_pSyntax->GetNextWord(&bIsNumber); if (!bIsNumber) - return FALSE; + return false; uint32_t gennum = FXSYS_atoui(word.c_str()); if (m_pSyntax->GetKeyword() != "obj") { m_pSyntax->RestorePos(SavedPos); - return FALSE; + return false; } m_pLinearized = m_pSyntax->GetObject(nullptr, objnum, gennum, true); if (!m_pLinearized) - return FALSE; + return false; CPDF_Dictionary* pDict = m_pLinearized->GetDict(); if (pDict && pDict->GetObjectFor("Linearized")) { @@ -1472,11 +1472,11 @@ FX_BOOL CPDF_Parser::IsLinearizedFile(IFX_SeekableReadStream* pFileAccess, if (!pLen) { m_pLinearized->Release(); m_pLinearized = nullptr; - return FALSE; + return false; } if (pLen->GetInteger() != (int)pFileAccess->GetSize()) - return FALSE; + return false; if (CPDF_Number* pNo = ToNumber(pDict->GetObjectFor("P"))) m_dwFirstPageNo = pNo->GetInteger(); @@ -1484,11 +1484,11 @@ FX_BOOL CPDF_Parser::IsLinearizedFile(IFX_SeekableReadStream* pFileAccess, if (CPDF_Number* pTable = ToNumber(pDict->GetObjectFor("T"))) m_LastXRefOffset = pTable->GetInteger(); - return TRUE; + return true; } m_pLinearized->Release(); m_pLinearized = nullptr; - return FALSE; + return false; } CPDF_Parser::Error CPDF_Parser::StartLinearizedParse( @@ -1496,7 +1496,7 @@ CPDF_Parser::Error CPDF_Parser::StartLinearizedParse( CPDF_Document* pDocument) { ASSERT(!m_bHasParsed); - m_bXRefStream = FALSE; + m_bXRefStream = false; m_LastXRefOffset = 0; m_bOwnFileRead = true; @@ -1513,13 +1513,13 @@ CPDF_Parser::Error CPDF_Parser::StartLinearizedParse( FX_FILESIZE dwFirstXRefOffset = m_pSyntax->SavePos(); - FX_BOOL bXRefRebuilt = FALSE; - FX_BOOL bLoadV4 = LoadCrossRefV4(dwFirstXRefOffset, 0, FALSE); - if (!bLoadV4 && !LoadCrossRefV5(&dwFirstXRefOffset, TRUE)) { + bool bXRefRebuilt = false; + bool bLoadV4 = LoadCrossRefV4(dwFirstXRefOffset, 0, false); + if (!bLoadV4 && !LoadCrossRefV5(&dwFirstXRefOffset, true)) { if (!RebuildCrossRef()) return FORMAT_ERROR; - bXRefRebuilt = TRUE; + bXRefRebuilt = true; m_LastXRefOffset = 0; } @@ -1573,23 +1573,23 @@ CPDF_Parser::Error CPDF_Parser::StartLinearizedParse( return SUCCESS; } -FX_BOOL CPDF_Parser::LoadLinearizedAllCrossRefV5(FX_FILESIZE xrefpos) { - if (!LoadCrossRefV5(&xrefpos, FALSE)) - return FALSE; +bool CPDF_Parser::LoadLinearizedAllCrossRefV5(FX_FILESIZE xrefpos) { + if (!LoadCrossRefV5(&xrefpos, false)) + return false; std::set<FX_FILESIZE> seen_xrefpos; while (xrefpos) { seen_xrefpos.insert(xrefpos); - if (!LoadCrossRefV5(&xrefpos, FALSE)) - return FALSE; + if (!LoadCrossRefV5(&xrefpos, false)) + return false; // Check for circular references. if (pdfium::ContainsKey(seen_xrefpos, xrefpos)) - return FALSE; + return false; } m_ObjectStreamMap.clear(); - m_bXRefStream = TRUE; - return TRUE; + m_bXRefStream = true; + return true; } CPDF_Parser::Error CPDF_Parser::LoadLinearizedMainXRefTable() { |