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OCCT/src/PCDM/PCDM_ReadWriter.hxx

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// Created on: 1997-12-09
// Created by: Jean-Louis Frenkel
// Copyright (c) 1997-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _PCDM_ReadWriter_HeaderFile
#define _PCDM_ReadWriter_HeaderFile
#include <Standard.hxx>
#include <Standard_Type.hxx>
#include <Standard_Transient.hxx>
#include <Standard_Integer.hxx>
#include <PCDM_SequenceOfReference.hxx>
#include <TColStd_SequenceOfExtendedString.hxx>
#include <Storage_OpenMode.hxx>
class TCollection_AsciiString;
class Storage_Data;
class CDM_Document;
class TCollection_ExtendedString;
class Message_Messenger;
class Storage_BaseDriver;
class PCDM_ReadWriter;
DEFINE_STANDARD_HANDLE(PCDM_ReadWriter, Standard_Transient)
class PCDM_ReadWriter : public Standard_Transient
{
public:
//! returns PCDM_ReadWriter_1.
Standard_EXPORT virtual TCollection_AsciiString Version() const = 0;
Standard_EXPORT virtual void WriteReferenceCounter (const Handle(Storage_Data)& aData, const Handle(CDM_Document)& aDocument) const = 0;
Standard_EXPORT virtual void WriteReferences (const Handle(Storage_Data)& aData, const Handle(CDM_Document)& aDocument, const TCollection_ExtendedString& theReferencerFileName) const = 0;
Standard_EXPORT virtual void WriteExtensions (const Handle(Storage_Data)& aData, const Handle(CDM_Document)& aDocument) const = 0;
Standard_EXPORT virtual void WriteVersion (const Handle(Storage_Data)& aData, const Handle(CDM_Document)& aDocument) const = 0;
Standard_EXPORT virtual Standard_Integer ReadReferenceCounter (const TCollection_ExtendedString& theFileName, const Handle(Message_Messenger)& theMsgDriver) const = 0;
Standard_EXPORT virtual void ReadReferences (const TCollection_ExtendedString& aFileName, PCDM_SequenceOfReference& theReferences, const Handle(Message_Messenger)& theMsgDriver) const = 0;
Standard_EXPORT virtual void ReadExtensions (const TCollection_ExtendedString& aFileName, TColStd_SequenceOfExtendedString& theExtensions, const Handle(Message_Messenger)& theMsgDriver) const = 0;
Standard_EXPORT virtual Standard_Integer ReadDocumentVersion (const TCollection_ExtendedString& aFileName, const Handle(Message_Messenger)& theMsgDriver) const = 0;
Standard_EXPORT static void Open (Storage_BaseDriver& aDriver, const TCollection_ExtendedString& aFileName, const Storage_OpenMode anOpenMode);
//! returns the convenient Reader for a File.
Standard_EXPORT static Handle(PCDM_ReadWriter) Reader (const TCollection_ExtendedString& aFileName);
Standard_EXPORT static Handle(PCDM_ReadWriter) Writer();
Standard_EXPORT static void WriteFileFormat (const Handle(Storage_Data)& aData, const Handle(CDM_Document)& aDocument);
//! tries to get a format in the file. returns an empty
//! string if the file could not be read or does not have
//! a FileFormat information.
Standard_EXPORT static TCollection_ExtendedString FileFormat (const TCollection_ExtendedString& aFileName);
//! tries to get a format from the stream. returns an empty
//! string if the file could not be read or does not have
//! a FileFormat information.
Standard_EXPORT static TCollection_ExtendedString FileFormat (Standard_IStream& theIStream, Handle(Storage_Data)& theData);
DEFINE_STANDARD_RTTIEXT(PCDM_ReadWriter,Standard_Transient)
protected:
private:
};
#endif // _PCDM_ReadWriter_HeaderFile