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-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp297
-rw-r--r--core/src/fpdfapi/fpdf_parser/parser_int.h8
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_