DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadMemDocument(const void* data_buf, int size, FPDF_BYTESTRING password)
{
CPDF_Parser* pParser = new CPDF_Parser;
pParser->SetPassword(password);
CMemFile* pMemFile = new CMemFile((uint8_t*)data_buf, size);
FX_DWORD err_code = pParser->StartParse(pMemFile);
if (err_code) {
delete pParser;
ProcessParseError(err_code);
return NULL;
}
CPDF_Document * pDoc = NULL;
pDoc = pParser?pParser->GetDocument():NULL;
CheckUnSupportError(pDoc, err_code);
return pParser->GetDocument();
}
DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadDocument(FPDF_STRING file_path, FPDF_BYTESTRING password)
{
CPDF_Parser* pParser = FX_NEW CPDF_Parser;
pParser->SetPassword(password);
try {
FX_DWORD err_code = pParser->StartParse((FX_LPCSTR)file_path);
if (err_code) {
delete pParser;
ProcessParseError(err_code);
return NULL;
}
}
catch (...) {
delete pParser;
SetLastError(FPDF_ERR_UNKNOWN);
return NULL;
}
return pParser->GetDocument();
}
DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAccess, FPDF_BYTESTRING password)
{
CPDF_Parser* pParser = FX_NEW CPDF_Parser;
pParser->SetPassword(password);
CPDF_CustomAccess* pFile = FX_NEW CPDF_CustomAccess(pFileAccess);
try {
FX_DWORD err_code = pParser->StartParse(pFile);
if (err_code) {
delete pParser;
ProcessParseError(err_code);
return NULL;
}
CPDF_Document * pDoc = NULL;
pDoc = pParser?pParser->GetDocument():NULL;
CheckUnSupportError(pDoc, err_code);
}
catch (...) {
delete pParser;
SetLastError(FPDF_ERR_UNKNOWN);
return NULL;
}
return pParser->GetDocument();
}
DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadMemDocument(const void* data_buf, int size, FPDF_BYTESTRING password)
{
CPDF_Parser* pParser = FX_NEW CPDF_Parser;
pParser->SetPassword(password);
try {
CMemFile* pMemFile = FX_NEW CMemFile((FX_BYTE*)data_buf, size);
FX_DWORD err_code = pParser->StartParse(pMemFile);
if (err_code) {
delete pParser;
ProcessParseError(err_code);
return NULL;
}
CPDF_Document * pDoc = NULL;
pDoc = pParser?pParser->GetDocument():NULL;
CheckUnSupportError(pDoc, err_code);
}
catch (...) {
delete pParser;
SetLastError(FPDF_ERR_UNKNOWN);
return NULL;
}
return pParser->GetDocument();
}
DLLEXPORT FPDF_DOCUMENT STDCALL FPDFAvail_GetDocument(FPDF_AVAIL avail, FPDF_BYTESTRING password)
{
if (avail == NULL) return NULL;
CPDF_Parser* pParser = FX_NEW CPDF_Parser;
pParser->SetPassword(password);
FX_DWORD err_code = pParser->StartAsynParse(((CFPDF_DataAvail*)avail)->m_pDataAvail->GetFileRead());
if (err_code) {
delete pParser;
ProcessParseError(err_code);
return NULL;
}
((CFPDF_DataAvail*)avail)->m_pDataAvail->SetDocument(pParser->GetDocument());
CheckUnSupportError(pParser->GetDocument(), FPDF_ERR_SUCCESS);
return pParser->GetDocument();
}
DLLEXPORT FPDF_DOCUMENT STDCALL
FPDFAvail_GetDocument(FPDF_AVAIL avail, FPDF_BYTESTRING password) {
CFPDF_DataAvail* pDataAvail = static_cast<CFPDF_DataAvail*>(avail);
if (!pDataAvail)
return nullptr;
CPDF_Parser* pParser = new CPDF_Parser;
pParser->SetPassword(password);
CPDF_Parser::Error error =
pParser->StartAsyncParse(pDataAvail->m_pDataAvail->GetFileRead());
if (error != CPDF_Parser::SUCCESS) {
delete pParser;
ProcessParseError(error);
return nullptr;
}
pDataAvail->m_pDataAvail->SetDocument(pParser->GetDocument());
CheckUnSupportError(pParser->GetDocument(), FPDF_ERR_SUCCESS);
return FPDFDocumentFromCPDFDocument(pParser->GetDocument());
}
uint32_t CPDF_DataAvail::GetObjectSize(uint32_t objnum, FX_FILESIZE& offset) {
CPDF_Parser* pParser = m_pDocument->GetParser();
if (!pParser || !pParser->IsValidObjectNumber(objnum))
return 0;
if (pParser->GetObjectType(objnum) == 2)
objnum = pParser->GetObjectPositionOrZero(objnum);
if (pParser->GetObjectType(objnum) != 1 &&
pParser->GetObjectType(objnum) != 255) {
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;
}