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Diffstat (limited to 'core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp')
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp124
1 files changed, 62 insertions, 62 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 8c2bad4acd..a62018d0cd 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -179,11 +179,10 @@ void CPDF_Parser::CloseParser(FX_BOOL bReParse) {
m_pLinearized = NULL;
}
}
-CPDF_SecurityHandler* FPDF_CreateStandardSecurityHandler();
-CPDF_SecurityHandler* FPDF_CreatePubKeyHandler(void*);
-FX_DWORD CPDF_Parser::StartParse(IFX_FileRead* pFileAccess,
- FX_BOOL bReParse,
- FX_BOOL bOwnFileRead) {
+
+CPDF_Parser::Error CPDF_Parser::StartParse(IFX_FileRead* pFileAccess,
+ FX_BOOL bReParse,
+ FX_BOOL bOwnFileRead) {
CloseParser(bReParse);
m_bXRefStream = FALSE;
m_LastXRefOffset = 0;
@@ -193,23 +192,23 @@ FX_DWORD CPDF_Parser::StartParse(IFX_FileRead* pFileAccess,
if (offset == -1) {
if (bOwnFileRead && pFileAccess)
pFileAccess->Release();
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
}
m_Syntax.InitParser(pFileAccess, offset);
uint8_t ch;
if (!m_Syntax.GetCharAt(5, ch))
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
if (std::isdigit(ch))
m_FileVersion = FXSYS_toDecimalDigit(ch) * 10;
if (!m_Syntax.GetCharAt(7, ch))
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
if (std::isdigit(ch))
m_FileVersion += FXSYS_toDecimalDigit(ch);
if (m_Syntax.m_FileLen < m_Syntax.m_HeaderOffset + 9)
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
m_Syntax.RestorePos(m_Syntax.m_FileLen - m_Syntax.m_HeaderOffset - 9);
if (!bReParse)
@@ -228,54 +227,54 @@ FX_DWORD CPDF_Parser::StartParse(IFX_FileRead* pFileAccess,
bool bNumber;
CFX_ByteString xrefpos_str = m_Syntax.GetNextWord(&bNumber);
if (!bNumber)
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
m_LastXRefOffset = (FX_FILESIZE)FXSYS_atoi64(xrefpos_str);
if (!LoadAllCrossRefV4(m_LastXRefOffset) &&
!LoadAllCrossRefV5(m_LastXRefOffset)) {
if (!RebuildCrossRef())
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
bXRefRebuilt = TRUE;
m_LastXRefOffset = 0;
}
} else {
if (!RebuildCrossRef())
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
bXRefRebuilt = TRUE;
}
- FX_DWORD dwRet = SetEncryptHandler();
- if (dwRet != PDFPARSE_ERROR_SUCCESS)
- return dwRet;
+ Error eRet = SetEncryptHandler();
+ if (eRet != SUCCESS)
+ return eRet;
m_pDocument->LoadDoc();
if (!m_pDocument->GetRoot() || m_pDocument->GetPageCount() == 0) {
if (bXRefRebuilt)
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
ReleaseEncryptHandler();
if (!RebuildCrossRef())
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
- dwRet = SetEncryptHandler();
- if (dwRet != PDFPARSE_ERROR_SUCCESS)
- return dwRet;
+ eRet = SetEncryptHandler();
+ if (eRet != SUCCESS)
+ return eRet;
m_pDocument->LoadDoc();
if (!m_pDocument->GetRoot())
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
}
FXSYS_qsort(m_SortedOffset.GetData(), m_SortedOffset.GetSize(),
sizeof(FX_FILESIZE), CompareFileSize);
if (GetRootObjNum() == 0) {
ReleaseEncryptHandler();
if (!RebuildCrossRef() || GetRootObjNum() == 0)
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
- dwRet = SetEncryptHandler();
- if (dwRet != PDFPARSE_ERROR_SUCCESS)
- return dwRet;
+ eRet = SetEncryptHandler();
+ if (eRet != SUCCESS)
+ return eRet;
}
if (m_pSecurityHandler && !m_pSecurityHandler->IsMetadataEncrypted()) {
CPDF_Reference* pMetadata =
@@ -283,13 +282,13 @@ FX_DWORD CPDF_Parser::StartParse(IFX_FileRead* pFileAccess,
if (pMetadata)
m_Syntax.m_MetadataObjnum = pMetadata->GetRefObjNum();
}
- return PDFPARSE_ERROR_SUCCESS;
+ return SUCCESS;
}
-FX_DWORD CPDF_Parser::SetEncryptHandler() {
+CPDF_Parser::Error CPDF_Parser::SetEncryptHandler() {
ReleaseEncryptHandler();
SetEncryptDictionary(NULL);
if (!m_pTrailer) {
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
}
CPDF_Object* pEncryptObj = m_pTrailer->GetElement("Encrypt");
if (pEncryptObj) {
@@ -302,29 +301,28 @@ FX_DWORD CPDF_Parser::SetEncryptHandler() {
}
}
if (m_bForceUseSecurityHandler) {
- FX_DWORD err = PDFPARSE_ERROR_HANDLER;
if (!m_pSecurityHandler) {
- return PDFPARSE_ERROR_HANDLER;
+ return HANDLER_ERROR;
}
if (!m_pSecurityHandler->OnInit(this, m_pEncryptDict)) {
- return err;
+ return HANDLER_ERROR;
}
std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler(
m_pSecurityHandler->CreateCryptoHandler());
if (!pCryptoHandler->Init(m_pEncryptDict, m_pSecurityHandler.get())) {
- return PDFPARSE_ERROR_HANDLER;
+ return HANDLER_ERROR;
}
m_Syntax.SetEncrypt(pCryptoHandler.release());
} else if (m_pEncryptDict) {
CFX_ByteString filter = m_pEncryptDict->GetString("Filter");
std::unique_ptr<CPDF_SecurityHandler> pSecurityHandler;
- FX_DWORD err = PDFPARSE_ERROR_HANDLER;
+ Error err = HANDLER_ERROR;
if (filter == "Standard") {
pSecurityHandler.reset(FPDF_CreateStandardSecurityHandler());
- err = PDFPARSE_ERROR_PASSWORD;
+ err = PASSWORD_ERROR;
}
if (!pSecurityHandler) {
- return PDFPARSE_ERROR_HANDLER;
+ return HANDLER_ERROR;
}
if (!pSecurityHandler->OnInit(this, m_pEncryptDict)) {
return err;
@@ -333,11 +331,11 @@ FX_DWORD CPDF_Parser::SetEncryptHandler() {
std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler(
m_pSecurityHandler->CreateCryptoHandler());
if (!pCryptoHandler->Init(m_pEncryptDict, m_pSecurityHandler.get())) {
- return PDFPARSE_ERROR_HANDLER;
+ return HANDLER_ERROR;
}
m_Syntax.SetEncrypt(pCryptoHandler.release());
}
- return PDFPARSE_ERROR_SUCCESS;
+ return SUCCESS;
}
void CPDF_Parser::ReleaseEncryptHandler() {
m_Syntax.m_pCryptoHandler.reset();
@@ -1562,16 +1560,16 @@ FX_BOOL CPDF_Parser::IsLinearizedFile(IFX_FileRead* pFileAccess,
m_pLinearized = NULL;
return FALSE;
}
-FX_DWORD CPDF_Parser::StartAsynParse(IFX_FileRead* pFileAccess,
- FX_BOOL bReParse,
- FX_BOOL bOwnFileRead) {
+CPDF_Parser::Error CPDF_Parser::StartAsynParse(IFX_FileRead* pFileAccess,
+ FX_BOOL bReParse,
+ FX_BOOL bOwnFileRead) {
CloseParser(bReParse);
m_bXRefStream = FALSE;
m_LastXRefOffset = 0;
m_bOwnFileRead = bOwnFileRead;
int32_t offset = GetHeaderOffset(pFileAccess);
if (offset == -1) {
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
}
if (!IsLinearizedFile(pFileAccess, offset)) {
m_Syntax.m_pFileAccess = NULL;
@@ -1586,7 +1584,7 @@ FX_DWORD CPDF_Parser::StartAsynParse(IFX_FileRead* pFileAccess,
if (!(bLoadV4 = LoadCrossRefV4(dwFirstXRefOffset, 0, FALSE)) &&
!LoadCrossRefV5(&dwFirstXRefOffset, TRUE)) {
if (!RebuildCrossRef()) {
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
}
bXRefRebuilt = TRUE;
m_LastXRefOffset = 0;
@@ -1594,7 +1592,7 @@ FX_DWORD CPDF_Parser::StartAsynParse(IFX_FileRead* pFileAccess,
if (bLoadV4) {
m_pTrailer = LoadTrailerV4();
if (!m_pTrailer) {
- return PDFPARSE_ERROR_SUCCESS;
+ return SUCCESS;
}
int32_t xrefsize = GetDirectInteger(m_pTrailer, "Size");
@@ -1603,26 +1601,26 @@ FX_DWORD CPDF_Parser::StartAsynParse(IFX_FileRead* pFileAccess,
m_V5Type.SetSize(xrefsize);
}
}
- FX_DWORD dwRet = SetEncryptHandler();
- if (dwRet != PDFPARSE_ERROR_SUCCESS) {
- return dwRet;
+ Error eRet = SetEncryptHandler();
+ if (eRet != SUCCESS) {
+ return eRet;
}
m_pDocument->LoadAsynDoc(m_pLinearized->GetDict());
if (!m_pDocument->GetRoot() || m_pDocument->GetPageCount() == 0) {
if (bXRefRebuilt) {
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
}
ReleaseEncryptHandler();
if (!RebuildCrossRef()) {
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
}
- dwRet = SetEncryptHandler();
- if (dwRet != PDFPARSE_ERROR_SUCCESS) {
- return dwRet;
+ eRet = SetEncryptHandler();
+ if (eRet != SUCCESS) {
+ return eRet;
}
m_pDocument->LoadAsynDoc(m_pLinearized->GetDict());
if (!m_pDocument->GetRoot()) {
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
}
}
FXSYS_qsort(m_SortedOffset.GetData(), m_SortedOffset.GetSize(),
@@ -1630,11 +1628,11 @@ FX_DWORD CPDF_Parser::StartAsynParse(IFX_FileRead* pFileAccess,
if (GetRootObjNum() == 0) {
ReleaseEncryptHandler();
if (!RebuildCrossRef() || GetRootObjNum() == 0)
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
- dwRet = SetEncryptHandler();
- if (dwRet != PDFPARSE_ERROR_SUCCESS) {
- return dwRet;
+ eRet = SetEncryptHandler();
+ if (eRet != SUCCESS) {
+ return eRet;
}
}
if (m_pSecurityHandler && m_pSecurityHandler->IsMetadataEncrypted()) {
@@ -1642,7 +1640,7 @@ FX_DWORD CPDF_Parser::StartAsynParse(IFX_FileRead* pFileAccess,
ToReference(m_pDocument->GetRoot()->GetElement("Metadata")))
m_Syntax.m_MetadataObjnum = pMetadata->GetRefObjNum();
}
- return PDFPARSE_ERROR_SUCCESS;
+ return SUCCESS;
}
FX_BOOL CPDF_Parser::LoadLinearizedAllCrossRefV5(FX_FILESIZE xrefpos) {
if (!LoadCrossRefV5(&xrefpos, FALSE)) {
@@ -1663,7 +1661,8 @@ FX_BOOL CPDF_Parser::LoadLinearizedAllCrossRefV5(FX_FILESIZE xrefpos) {
m_bXRefStream = TRUE;
return TRUE;
}
-FX_DWORD CPDF_Parser::LoadLinearizedMainXRefTable() {
+
+CPDF_Parser::Error CPDF_Parser::LoadLinearizedMainXRefTable() {
FX_DWORD dwSaveMetadataObjnum = m_Syntax.m_MetadataObjnum;
m_Syntax.m_MetadataObjnum = 0;
if (m_pTrailer) {
@@ -1690,12 +1689,12 @@ FX_DWORD CPDF_Parser::LoadLinearizedMainXRefTable() {
!LoadLinearizedAllCrossRefV5(m_LastXRefOffset)) {
m_LastXRefOffset = 0;
m_Syntax.m_MetadataObjnum = dwSaveMetadataObjnum;
- return PDFPARSE_ERROR_FORMAT;
+ return FORMAT_ERROR;
}
FXSYS_qsort(m_SortedOffset.GetData(), m_SortedOffset.GetSize(),
sizeof(FX_FILESIZE), CompareFileSize);
m_Syntax.m_MetadataObjnum = dwSaveMetadataObjnum;
- return PDFPARSE_ERROR_SUCCESS;
+ return SUCCESS;
}
// static
@@ -4208,9 +4207,10 @@ IPDF_DataAvail::DocAvailStatus CPDF_DataAvail::CheckLinearizedData(
pHints->AddSegment(m_dwLastXRefOffset, data_size.ValueOrDie());
return DataNotAvailable;
}
- FX_DWORD dwRet = m_pDocument->GetParser()->LoadLinearizedMainXRefTable();
+ CPDF_Parser::Error eRet =
+ m_pDocument->GetParser()->LoadLinearizedMainXRefTable();
m_bMainXRefLoadTried = TRUE;
- if (dwRet != PDFPARSE_ERROR_SUCCESS) {
+ if (eRet != CPDF_Parser::SUCCESS) {
return DataError;
}
if (!PreparePageItem()) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 03:50:16 +0000