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_Reference.hxx>
0026 #include <NCollection_Sequence.hxx>
0027
0028 class CDM_MetaData;
0029 class Message_Messenger;
0030
0031 class PCDM_RetrievalDriver : public PCDM_Reader
0032 {
0033   friend Standard_EXPORT void PCDM_ReferenceIterator::Init(
0034     const occ::handle<CDM_MetaData>& aMetaData);
0035
0036 public:
0037   Standard_EXPORT static int DocumentVersion(const TCollection_ExtendedString&     theFileName,
0038                                              const occ::handle<Message_Messenger>& theMsgDriver);
0039
0040   Standard_EXPORT static int ReferenceCounter(const TCollection_ExtendedString&     theFileName,
0041                                               const occ::handle<Message_Messenger>& theMsgDriver);
0042
0043   Standard_EXPORT void SetFormat(const TCollection_ExtendedString& aformat);
0044
0045   Standard_EXPORT TCollection_ExtendedString GetFormat() const;
0046
0047   DEFINE_STANDARD_RTTIEXT(PCDM_RetrievalDriver, PCDM_Reader)
0048
0049 private:
0050   Standard_EXPORT static void References(const TCollection_ExtendedString&     theFileName,
0051                                          NCollection_Sequence<PCDM_Reference>& theReferences,
0052                                          const occ::handle<Message_Messenger>& theMsgDriver);
0053
0054   TCollection_ExtendedString myFormat;
0055 };
0056
0057 #endif // _PCDM_RetrievalDriver_HeaderFile