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-rw-r--r--core/fpdfapi/edit/cpdf_creator.cpp35
-rw-r--r--core/fpdfapi/edit/cpdf_creator.h5
2 files changed, 19 insertions, 21 deletions
diff --git a/core/fpdfapi/edit/cpdf_creator.cpp b/core/fpdfapi/edit/cpdf_creator.cpp
index 5c6da1d4fa..dc2049451a 100644
--- a/core/fpdfapi/edit/cpdf_creator.cpp
+++ b/core/fpdfapi/edit/cpdf_creator.cpp
@@ -151,7 +151,6 @@ CPDF_Creator::CPDF_Creator(CPDF_Document* pDoc,
m_Archive(pdfium::MakeUnique<CFX_FileBufferArchive>(archive)),
m_SavedOffset(0),
m_iStage(-1),
- m_dwFlags(0),
m_CurObjNum(0),
m_XrefStart(0),
m_pIDArray(nullptr),
@@ -348,7 +347,7 @@ bool CPDF_Creator::WriteNewObjs() {
void CPDF_Creator::InitNewObjNumOffsets() {
for (const auto& pair : *m_pDocument) {
const uint32_t objnum = pair.first;
- if (IsIncremental() ||
+ if (m_IsIncremental ||
pair.second->GetObjNum() == CPDF_Object::kInvalidObjNum) {
continue;
}
@@ -365,17 +364,15 @@ void CPDF_Creator::InitNewObjNumOffsets() {
int32_t CPDF_Creator::WriteDoc_Stage1() {
ASSERT(m_iStage > -1 || m_iStage < 20);
if (m_iStage == 0) {
- if (!m_pParser)
- m_dwFlags &= ~FPDFCREATE_INCREMENTAL;
- if (m_bSecurityChanged && IsOriginal())
- m_dwFlags &= ~FPDFCREATE_INCREMENTAL;
+ if (!m_pParser || (m_bSecurityChanged && m_IsOriginal))
+ m_IsIncremental = false;
const CPDF_Dictionary* pDict = m_pDocument->GetRoot();
m_pMetadata = pDict ? pDict->GetDirectObjectFor("Metadata") : nullptr;
m_iStage = 10;
}
if (m_iStage == 10) {
- if (!IsIncremental()) {
+ if (!m_IsIncremental) {
if (!m_Archive->WriteString("%PDF-1."))
return -1;
@@ -396,7 +393,7 @@ int32_t CPDF_Creator::WriteDoc_Stage1() {
}
}
if (m_iStage == 15) {
- if (IsOriginal() && m_SavedOffset > 0) {
+ if (m_IsOriginal && m_SavedOffset > 0) {
RetainPtr<IFX_SeekableReadStream> pSrcFile = m_pParser->GetFileAccess();
std::vector<uint8_t> buffer(4096);
FX_FILESIZE src_size = m_SavedOffset;
@@ -413,7 +410,7 @@ int32_t CPDF_Creator::WriteDoc_Stage1() {
src_size -= block_size;
}
}
- if (IsOriginal() && m_pParser->GetLastXRefOffset() == 0) {
+ if (m_IsOriginal && m_pParser->GetLastXRefOffset() == 0) {
for (uint32_t num = 0; num <= m_pParser->GetLastObjNum(); ++num) {
if (m_pParser->IsObjectFreeOrNull(num))
continue;
@@ -430,7 +427,7 @@ int32_t CPDF_Creator::WriteDoc_Stage1() {
int32_t CPDF_Creator::WriteDoc_Stage2() {
ASSERT(m_iStage >= 20 || m_iStage < 30);
if (m_iStage == 20) {
- if (!IsIncremental() && m_pParser) {
+ if (!m_IsIncremental && m_pParser) {
m_CurObjNum = 0;
m_iStage = 21;
} else {
@@ -461,7 +458,7 @@ int32_t CPDF_Creator::WriteDoc_Stage2() {
return -1;
m_ObjectOffsets[m_dwLastObjNum] = saveOffset;
- if (IsIncremental())
+ if (m_IsIncremental)
m_NewObjNumArray.push_back(m_dwLastObjNum);
}
m_iStage = 80;
@@ -475,8 +472,8 @@ int32_t CPDF_Creator::WriteDoc_Stage3() {
uint32_t dwLastObjNum = m_dwLastObjNum;
if (m_iStage == 80) {
m_XrefStart = m_Archive->CurrentOffset();
- if (!IsIncremental() || !m_pParser->IsXRefStream()) {
- if (!IsIncremental() || m_pParser->GetLastXRefOffset() == 0) {
+ if (!m_IsIncremental || !m_pParser->IsXRefStream()) {
+ if (!m_IsIncremental || m_pParser->GetLastXRefOffset() == 0) {
ByteString str;
str = pdfium::ContainsKey(m_ObjectOffsets, 1)
? "xref\r\n"
@@ -569,7 +566,7 @@ int32_t CPDF_Creator::WriteDoc_Stage3() {
int32_t CPDF_Creator::WriteDoc_Stage4() {
ASSERT(m_iStage >= 90);
- bool bXRefStream = IsIncremental() && m_pParser->IsXRefStream();
+ bool bXRefStream = m_IsIncremental && m_pParser->IsXRefStream();
if (!bXRefStream) {
if (!m_Archive->WriteString("trailer\r\n<<"))
return -1;
@@ -629,7 +626,7 @@ int32_t CPDF_Creator::WriteDoc_Stage4() {
!m_Archive->WriteDWord(m_dwLastObjNum + (bXRefStream ? 2 : 1))) {
return -1;
}
- if (IsIncremental()) {
+ if (m_IsIncremental) {
FX_FILESIZE prev = m_pParser->GetLastXRefOffset();
if (prev) {
if (!m_Archive->WriteString("/Prev "))
@@ -654,7 +651,7 @@ int32_t CPDF_Creator::WriteDoc_Stage4() {
} else {
if (!m_Archive->WriteString("/W[0 4 1]/Index["))
return -1;
- if (IsIncremental() && m_pParser && m_pParser->GetLastXRefOffset() == 0) {
+ if (m_IsIncremental && m_pParser && m_pParser->GetLastXRefOffset() == 0) {
uint32_t i = 0;
for (i = 0; i < m_dwLastObjNum; i++) {
if (!pdfium::ContainsKey(m_ObjectOffsets, i))
@@ -710,7 +707,9 @@ int32_t CPDF_Creator::WriteDoc_Stage4() {
}
bool CPDF_Creator::Create(uint32_t flags) {
- m_dwFlags = flags;
+ m_IsIncremental = !!(flags & FPDFCREATE_INCREMENTAL);
+ m_IsOriginal = !(flags & FPDFCREATE_NO_ORIGINAL);
+
m_iStage = 0;
m_dwLastObjNum = m_pDocument->GetLastObjNum();
m_ObjectOffsets.clear();
@@ -740,7 +739,7 @@ void CPDF_Creator::InitID() {
if (pOldIDArray) {
const CPDF_Object* pID2 = pOldIDArray->GetObjectAt(1);
- if (IsIncremental() && m_pEncryptDict && pID2) {
+ if (m_IsIncremental && m_pEncryptDict && pID2) {
m_pIDArray->Add(pID2->Clone());
return;
}
diff --git a/core/fpdfapi/edit/cpdf_creator.h b/core/fpdfapi/edit/cpdf_creator.h
index 47f279f653..b9c8aa8a80 100644
--- a/core/fpdfapi/edit/cpdf_creator.h
+++ b/core/fpdfapi/edit/cpdf_creator.h
@@ -60,8 +60,6 @@ class CPDF_Creator {
CPDF_CryptoHandler* pCrypto);
CPDF_CryptoHandler* GetCryptoHandler();
- bool IsIncremental() const { return !!(m_dwFlags & FPDFCREATE_INCREMENTAL); }
- bool IsOriginal() const { return !(m_dwFlags & FPDFCREATE_NO_ORIGINAL); }
UnownedPtr<CPDF_Document> const m_pDocument;
UnownedPtr<CPDF_Parser> const m_pParser;
@@ -73,13 +71,14 @@ class CPDF_Creator {
std::unique_ptr<IFX_ArchiveStream> m_Archive;
FX_FILESIZE m_SavedOffset;
int32_t m_iStage;
- uint32_t m_dwFlags;
uint32_t m_CurObjNum;
FX_FILESIZE m_XrefStart;
std::map<uint32_t, FX_FILESIZE> m_ObjectOffsets;
std::vector<uint32_t> m_NewObjNumArray; // Sorted, ascending.
std::unique_ptr<CPDF_Array> m_pIDArray;
int32_t m_FileVersion;
+ bool m_IsIncremental = false;
+ bool m_IsOriginal = false;
};
#endif // CORE_FPDFAPI_EDIT_CPDF_CREATOR_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 05:16:10 +0000