include/opencascade/PCDM_RetrievalDriver.hxx

0001 // Created on: 1997-08-07
0002 // Created by: Jean-Louis Frenkel
0003 // Copyright (c) 1997-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _PCDM_RetrievalDriver_HeaderFile
0018 #define _PCDM_RetrievalDriver_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <PCDM_Reader.hxx>
0024 #include <PCDM_ReferenceIterator.hxx>
0025 #include <PCDM_SequenceOfReference.hxx>
0026
0027 class CDM_MetaData;
0028 class Message_Messenger;
0029
0030 class PCDM_RetrievalDriver;
0031 DEFINE_STANDARD_HANDLE(PCDM_RetrievalDriver, PCDM_Reader)
0032
0033 class PCDM_RetrievalDriver : public PCDM_Reader
0034 {
0035   friend Standard_EXPORT void PCDM_ReferenceIterator::Init (const Handle(CDM_MetaData)& aMetaData);
0036
0037 public:
0038   Standard_EXPORT static Standard_Integer DocumentVersion (
0039     const TCollection_ExtendedString& theFileName,
0040     const Handle(Message_Messenger)&  theMsgDriver);
0041
0042   Standard_EXPORT static Standard_Integer ReferenceCounter (
0043     const TCollection_ExtendedString& theFileName,
0044     const Handle(Message_Messenger)&  theMsgDriver);
0045
0046   Standard_EXPORT void SetFormat (const TCollection_ExtendedString& aformat);
0047
0048   Standard_EXPORT TCollection_ExtendedString GetFormat() const;
0049
0050   DEFINE_STANDARD_RTTIEXT(PCDM_RetrievalDriver,PCDM_Reader)
0051
0052 private:
0053   Standard_EXPORT static void References (
0054     const TCollection_ExtendedString& theFileName,
0055     PCDM_SequenceOfReference&         theReferences,
0056     const Handle(Message_Messenger)&  theMsgDriver);
0057
0058   TCollection_ExtendedString myFormat;
0059 };
0060
0061 #endif // _PCDM_RetrievalDriver_HeaderFile