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4ff92abe44
TDocStd_Application class extended to open/save a document of XmlOcaf and BinOcaf format from/to standard SEEKABLE stream object which should support SEEK functionality. Open and SaveAs DRAW commands got new additional argument "-stream" to turn on using of stream functionality. The main changes for BinOcaf format applied in: FSD_BinaryFile class (static method using standard stream added) BinLDrivers_DocumentRetrievalDriver and BinLDrivers_DocumentStorageDriver classes use standard stream object as an argument The main changes for XmlOcaf format applied in: LDOMParser and LDOM_XmlWriter classes use standard stream object as an argument Unused class FSD_Archive and its siblings removed from MFC samples.
121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
// Created on: 1997-11-03
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// Created by: Jean-Louis Frenkel
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _PCDM_StorageDriver_HeaderFile
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#define _PCDM_StorageDriver_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <TCollection_ExtendedString.hxx>
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#include <Standard_Boolean.hxx>
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#include <PCDM_StoreStatus.hxx>
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#include <PCDM_Writer.hxx>
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#include <PCDM_SequenceOfDocument.hxx>
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#include <TColStd_SequenceOfExtendedString.hxx>
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class Standard_NoSuchObject;
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class PCDM_DriverError;
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class PCDM_Document;
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class CDM_Document;
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class TCollection_ExtendedString;
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class Storage_Schema;
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class PCDM_StorageDriver;
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DEFINE_STANDARD_HANDLE(PCDM_StorageDriver, PCDM_Writer)
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//! persistent implemention of storage.
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//!
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//! The application must redefine one the two Make()
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//! methods. The first one, if the application wants to
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//! put only one document in the storage file.
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//!
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//! The second method should be redefined to put
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//! additional document that could be used by the
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//! retrieval instead of the principal document, depending
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//! on the schema used during the retrieval. For example,
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//! a second document could be a standard
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//! CDMShape_Document. This means that a client
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//! application will already be able to extract a CDMShape_Document
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//! of the file, if the Shape Schema remains unchanged.
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class PCDM_StorageDriver : public PCDM_Writer
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{
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public:
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//! raises NotImplemented.
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Standard_EXPORT virtual Handle(PCDM_Document) Make (const Handle(CDM_Document)& aDocument);
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//! By default, puts in the Sequence the document returns
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//! by the previous Make method.
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Standard_EXPORT virtual void Make (const Handle(CDM_Document)& aDocument, PCDM_SequenceOfDocument& Documents);
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Standard_EXPORT virtual TCollection_ExtendedString SchemaName() const = 0;
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Standard_EXPORT virtual void LoadExtensions (const Handle(Storage_Schema)& aSchema, const TColStd_SequenceOfExtendedString& Extensions);
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//! Warning! raises DriverError if an error occurs during inside the
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//! Make method.
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//! stores the content of the Document into a new file.
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//!
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//! by default Write will use Make method to build a persistent
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//! document and the Schema method to write the persistent document.
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Standard_EXPORT virtual void Write (const Handle(CDM_Document)& aDocument, const TCollection_ExtendedString& aFileName) Standard_OVERRIDE;
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//! Write <theDocument> to theOStream
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Standard_EXPORT virtual void Write (const Handle(CDM_Document)& theDocument, Standard_OStream& theOStream) Standard_OVERRIDE;
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Standard_EXPORT void SetFormat (const TCollection_ExtendedString& aformat);
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Standard_EXPORT TCollection_ExtendedString GetFormat() const;
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Standard_EXPORT Standard_Boolean IsError() const;
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Standard_EXPORT void SetIsError (const Standard_Boolean theIsError);
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Standard_EXPORT PCDM_StoreStatus GetStoreStatus() const;
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Standard_EXPORT void SetStoreStatus (const PCDM_StoreStatus theStoreStatus);
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DEFINE_STANDARD_RTTIEXT(PCDM_StorageDriver,PCDM_Writer)
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protected:
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private:
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TCollection_ExtendedString myFormat;
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Standard_Boolean myIsError;
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PCDM_StoreStatus myStoreStatus;
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};
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#endif // _PCDM_StorageDriver_HeaderFile
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