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path: root/core/fpdfapi/parser/cpdf_parser.cpp
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Diffstat (limited to 'core/fpdfapi/parser/cpdf_parser.cpp')
-rw-r--r--core/fpdfapi/parser/cpdf_parser.cpp54
1 files changed, 20 insertions, 34 deletions
diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp
index cff0f77b32..da95cc5f24 100644
--- a/core/fpdfapi/parser/cpdf_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_parser.cpp
@@ -61,9 +61,7 @@ CPDF_Parser::CPDF_Parser()
}
CPDF_Parser::~CPDF_Parser() {
- if (m_pTrailer)
- m_pTrailer->Release();
-
+ delete m_pTrailer;
ReleaseEncryptHandler();
SetEncryptDictionary(nullptr);
@@ -72,13 +70,10 @@ CPDF_Parser::~CPDF_Parser() {
m_pSyntax->m_pFileAccess = nullptr;
}
- for (CPDF_Dictionary* trailer : m_Trailers) {
- if (trailer)
- trailer->Release();
- }
+ for (CPDF_Dictionary* trailer : m_Trailers)
+ delete trailer;
- if (m_pLinearized)
- m_pLinearized->Release();
+ delete m_pLinearized;
}
uint32_t CPDF_Parser::GetLastObjNum() const {
@@ -357,8 +352,7 @@ bool CPDF_Parser::LoadAllCrossRefV4(FX_FILESIZE xrefpos) {
CrossRefList.insert(CrossRefList.begin(), xrefpos);
LoadCrossRefV4(xrefpos, 0, true);
- std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
- LoadTrailerV4());
+ std::unique_ptr<CPDF_Dictionary> pDict(LoadTrailerV4());
if (!pDict)
return false;
@@ -412,8 +406,7 @@ bool CPDF_Parser::LoadLinearizedAllCrossRefV4(FX_FILESIZE xrefpos,
CrossRefList.insert(CrossRefList.begin(), xrefpos);
LoadCrossRefV4(xrefpos, 0, true);
- std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
- LoadTrailerV4());
+ std::unique_ptr<CPDF_Dictionary> pDict(LoadTrailerV4());
if (!pDict)
return false;
@@ -590,18 +583,14 @@ bool CPDF_Parser::LoadAllCrossRefV5(FX_FILESIZE xrefpos) {
bool CPDF_Parser::RebuildCrossRef() {
m_ObjectInfo.clear();
m_SortedOffset.clear();
- if (m_pTrailer) {
- m_pTrailer->Release();
- m_pTrailer = nullptr;
- }
+ delete m_pTrailer;
+ m_pTrailer = nullptr;
ParserState state = ParserState::kDefault;
-
int32_t inside_index = 0;
uint32_t objnum = 0;
uint32_t gennum = 0;
int32_t depth = 0;
-
const uint32_t kBufferSize = 4096;
std::vector<uint8_t> buffer(kBufferSize);
@@ -755,8 +744,7 @@ bool CPDF_Parser::RebuildCrossRef() {
CPDF_Object* pRoot = pDict->GetObjectFor("Root");
if (pRoot && pRoot->GetDict() &&
pRoot->GetDict()->GetObjectFor("Pages")) {
- if (m_pTrailer)
- m_pTrailer->Release();
+ delete m_pTrailer;
m_pTrailer = ToDictionary(pDict->Clone());
}
}
@@ -794,8 +782,7 @@ bool CPDF_Parser::RebuildCrossRef() {
m_ObjectInfo[objnum].gennum = gennum;
}
- if (pObject)
- pObject->Release();
+ delete pObject;
}
--i;
state = ParserState::kDefault;
@@ -812,7 +799,7 @@ bool CPDF_Parser::RebuildCrossRef() {
CPDF_Object* pObj = m_pSyntax->GetObject(m_pDocument, 0, 0, true);
if (pObj) {
if (!pObj->IsDictionary() && !pObj->AsStream()) {
- pObj->Release();
+ delete pObj;
} else {
CPDF_Stream* pStream = pObj->AsStream();
if (CPDF_Dictionary* pTrailer =
@@ -838,11 +825,11 @@ bool CPDF_Parser::RebuildCrossRef() {
}
}
}
- pObj->Release();
+ delete pObj;
} else {
if (pObj->IsStream()) {
m_pTrailer = ToDictionary(pTrailer->Clone());
- pObj->Release();
+ delete pObj;
} else {
m_pTrailer = pTrailer;
}
@@ -859,7 +846,7 @@ bool CPDF_Parser::RebuildCrossRef() {
m_pSyntax->RestorePos(dwSavePos);
}
} else {
- pObj->Release();
+ delete pObj;
}
}
}
@@ -1418,7 +1405,7 @@ CPDF_Dictionary* CPDF_Parser::LoadTrailerV4() {
if (m_pSyntax->GetKeyword() != "trailer")
return nullptr;
- std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pObj(
+ std::unique_ptr<CPDF_Object> pObj(
m_pSyntax->GetObject(m_pDocument, 0, 0, true));
if (!ToDictionary(pObj.get()))
return nullptr;
@@ -1470,7 +1457,7 @@ bool CPDF_Parser::IsLinearizedFile(IFX_SeekableReadStream* pFileAccess,
CPDF_Object* pLen = pDict->GetObjectFor("L");
if (!pLen) {
- m_pLinearized->Release();
+ delete m_pLinearized;
m_pLinearized = nullptr;
return false;
}
@@ -1486,7 +1473,7 @@ bool CPDF_Parser::IsLinearizedFile(IFX_SeekableReadStream* pFileAccess,
return true;
}
- m_pLinearized->Release();
+ delete m_pLinearized;
m_pLinearized = nullptr;
return false;
}
@@ -1595,12 +1582,11 @@ bool CPDF_Parser::LoadLinearizedAllCrossRefV5(FX_FILESIZE xrefpos) {
CPDF_Parser::Error CPDF_Parser::LoadLinearizedMainXRefTable() {
uint32_t dwSaveMetadataObjnum = m_pSyntax->m_MetadataObjnum;
m_pSyntax->m_MetadataObjnum = 0;
- if (m_pTrailer) {
- m_pTrailer->Release();
- m_pTrailer = nullptr;
- }
+ delete m_pTrailer;
+ m_pTrailer = nullptr;
m_pSyntax->RestorePos(m_LastXRefOffset - m_pSyntax->m_HeaderOffset);
+
uint8_t ch = 0;
uint32_t dwCount = 0;
m_pSyntax->GetNextChar(ch);