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// File: PCDM_RetrievalDriver.cxx
// Created: Thu Aug 7 14:11:39 1997
// Author: Jean-Louis Frenkel
// <rmi@frilox.paris1.matra-dtv.fr>
#include <PCDM_RetrievalDriver.ixx>
#include <PCDM_BaseDriverPointer.hxx>
#include <PCDM.hxx>
#include <PCDM_TypeOfFileDriver.hxx>
#include <Storage_Data.hxx>
#include <Storage_HeaderData.hxx>
#include <Storage_Schema.hxx>
#include <Storage_Root.hxx>
#include <TCollection_AsciiString.hxx>
#include <TColStd_SequenceOfAsciiString.hxx>
#include <Standard_TypeMismatch.hxx>
#include <PCDM_ReadWriter.hxx>
#include <Resource_Manager.hxx>
#include <Standard_ErrorHandler.hxx>
#include <UTL.hxx>
#include <PCDM.hxx>
#include <Storage_HSeqOfRoot.hxx>
#include <locale.h>
void PCDM_RetrievalDriver::RaiseIfUnknownTypes(const Handle(Storage_Schema)& aSchema, const TCollection_ExtendedString& aFileName) {
PCDM_BaseDriverPointer theFileDriver;
if(PCDM::FileDriverType(TCollection_AsciiString(UTL::CString(aFileName)), theFileDriver) == PCDM_TOFD_Unknown) return;
PCDM_ReadWriter::Open(*theFileDriver,aFileName,Storage_VSRead);
TColStd_SequenceOfAsciiString theUnknownTypes;
Standard_Boolean unknowns = aSchema->HasUnknownType(*theFileDriver,theUnknownTypes);
theFileDriver->Close();
delete theFileDriver;
if(unknowns) {
Standard_SStream aMsg; aMsg << "cannot read: `" << aFileName << "', because the following types: ";
for (Standard_Integer i=1; i <= theUnknownTypes.Length(); i++) {
aMsg << theUnknownTypes(i);
if(i< theUnknownTypes.Length()) aMsg <<",";
}
aMsg << " have been found in it but not in the available Schema: " << aSchema->Name() << (char)0;
Standard_TypeMismatch::Raise(aMsg);
}
}
//=======================================================================
//function : Read
//purpose :
//=======================================================================
void PCDM_RetrievalDriver::Read(const TCollection_ExtendedString& theFileName,
const Handle(CDM_Document)& aNewDocument,
const Handle(CDM_Application)& theApplication) {
char *oldnum,*plocal ;
plocal = setlocale(LC_NUMERIC, NULL) ;
oldnum = new char[strlen(plocal)+1] ;
strcpy(oldnum,plocal);
Standard_SStream aMsg;
Standard_Boolean Failure=Standard_False;
Handle(Storage_Schema) aSchema;
TColStd_SequenceOfExtendedString theExtensions;
myReaderStatus = PCDM_RS_OK;
{
try {
OCC_CATCH_SIGNALS
aSchema=PCDM::Schema(SchemaName(),theApplication);
Extensions(theFileName, theExtensions, theApplication->MessageDriver());
LoadExtensions(aSchema,theExtensions, theApplication->MessageDriver());
}
catch (Standard_NoSuchObject) {
aMsg << Standard_NoSuchObject::Caught() << endl;
myReaderStatus = PCDM_RS_NoSchema;
Failure=Standard_True;
}
catch (Standard_Failure) {
aMsg << Standard_Failure::Caught() << endl;
myReaderStatus = PCDM_RS_ExtensionFailure;
Failure=Standard_True;
}
if(Failure) Standard_Failure::Raise(aMsg);
}
PCDM_BaseDriverPointer theFileDriver;
if(PCDM::FileDriverType(TCollection_AsciiString(UTL::CString(theFileName)), theFileDriver) == PCDM_TOFD_Unknown) {
myReaderStatus = PCDM_RS_UnknownFileDriver;
return;
}
{
try {
OCC_CATCH_SIGNALS
RaiseIfUnknownTypes(aSchema, theFileName);
PCDM_ReadWriter::Open(*theFileDriver,theFileName,Storage_VSRead);
}
catch (Standard_TypeMismatch) {
aMsg << Standard_TypeMismatch::Caught() << endl;
myReaderStatus = PCDM_RS_TypeNotFoundInSchema;
Failure=Standard_True;
}
catch (Standard_Failure) {
aMsg << Standard_Failure::Caught() << endl;
myReaderStatus = PCDM_RS_OpenError;
Failure=Standard_True;
}
if(Failure) Standard_Failure::Raise(aMsg);
}
Handle(Storage_Data) theData = aSchema->Read(*theFileDriver);
Storage_Error aStatus = theData->ErrorStatus();
if(aStatus != Storage_VSOk) {
switch (aStatus) {
case Storage_VSOpenError:
case Storage_VSNotOpen:
case Storage_VSAlreadyOpen:
myReaderStatus = PCDM_RS_OpenError;
aMsg << "Stream Open Error" << endl;
break;
case Storage_VSModeError:
myReaderStatus = PCDM_RS_WrongStreamMode;
aMsg << "Stream is opened with a wrong mode for operation" << endl;
break;
case Storage_VSSectionNotFound:
aMsg << "Section is not found" << endl;
myReaderStatus = PCDM_RS_FormatFailure;
break;
case Storage_VSFormatError:
myReaderStatus = PCDM_RS_FormatFailure;
aMsg << "Wrong format error" << endl;
break;
case Storage_VSUnknownType:
myReaderStatus = PCDM_RS_TypeFailure;
aMsg << "Try to read an unknown type" << endl;
break;
case Storage_VSTypeMismatch:
myReaderStatus = PCDM_RS_TypeFailure;
aMsg << "Try to read a wrong primitive type" << endl;
break;
default:
myReaderStatus = PCDM_RS_DriverFailure;
aMsg << "Retrieval Driver Failure" << endl;
}
Standard_Failure::Raise(aMsg);
}
theFileDriver->Close();
delete theFileDriver;
Handle(Storage_HSeqOfRoot) theDocuments=theData->Roots();
Handle(Storage_Root) theDocument;
for(Standard_Integer i=1; i<=theDocuments->Length() && theDocument.IsNull(); i++) {
theDocument=theDocuments->Value(i);
}
if(theDocument.IsNull()) {
Standard_SStream aMsg;
aMsg << "could not find any document in this file" << (char) 0;
myReaderStatus = PCDM_RS_NoDocument;
Standard_Failure::Raise(aMsg);
}
Handle(Standard_Persistent) theObject=theDocument->Object();
Handle(PCDM_Document) thePDocument = *((Handle(PCDM_Document)*)&theObject);
{
try {
OCC_CATCH_SIGNALS
Make(thePDocument,aNewDocument);
}
catch (Standard_Failure) {
aMsg << "Error during Make: ";
aMsg << Standard_Failure::Caught() << (char)0;
myReaderStatus = PCDM_RS_MakeFailure;
Failure=Standard_True;
}
}
// read comments
aNewDocument->SetComments(theData->Comments());
// on remet le LC_NUMERIC a la precedente valeur
setlocale(LC_NUMERIC, oldnum) ;
delete[] oldnum;
PCDM_DriverError_Raise_if(Failure,aMsg);
}
void PCDM_RetrievalDriver::References(const TCollection_ExtendedString& aFileName, PCDM_SequenceOfReference& theReferences, const Handle(CDM_MessageDriver)& theMsgDriver) {
PCDM_ReadWriter::Reader(aFileName)->ReadReferences(aFileName, theReferences, theMsgDriver);
}
void PCDM_RetrievalDriver::Extensions(const TCollection_ExtendedString& aFileName, TColStd_SequenceOfExtendedString& theExtensions, const Handle(CDM_MessageDriver)& theMsgDriver) {
PCDM_ReadWriter::Reader(aFileName)->ReadExtensions(aFileName,theExtensions, theMsgDriver);
}
Standard_Integer PCDM_RetrievalDriver::DocumentVersion(const TCollection_ExtendedString& aFileName, const Handle(CDM_MessageDriver)& theMsgDriver) {
return PCDM_ReadWriter::Reader(aFileName)->ReadDocumentVersion(aFileName, theMsgDriver);
}
Standard_Integer PCDM_RetrievalDriver::ReferenceCounter(const TCollection_ExtendedString& aFileName, const Handle(CDM_MessageDriver)& theMsgDriver) {
return PCDM_ReadWriter::Reader(aFileName)->ReadReferenceCounter(aFileName, theMsgDriver);
}
void PCDM_RetrievalDriver::LoadExtensions(const Handle(Storage_Schema)& , const TColStd_SequenceOfExtendedString& , const Handle(CDM_MessageDriver)&) {}
//=======================================================================
//function : Format
//purpose :
//=======================================================================
void PCDM_RetrievalDriver::SetFormat (const TCollection_ExtendedString& aformat)
{
myFormat = aformat;
}
//=======================================================================
//function : Format
//purpose :
//=======================================================================
TCollection_ExtendedString PCDM_RetrievalDriver::GetFormat () const
{
return myFormat;
}
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