0031642: Visualization - crash in Graphic3d_Structure::SetVisual() on redisplaying...
[occt.git] / src / StdLDrivers / StdLDrivers_DocumentRetrievalDriver.hxx
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7ed7467d 1// Copyright (c) 2015 OPEN CASCADE SAS
2//
3// This file is part of Open CASCADE Technology software library.
4//
5// This library is free software; you can redistribute it and/or modify it under
6// the terms of the GNU Lesser General Public License version 2.1 as published
7// by the Free Software Foundation, with special exception defined in the file
8// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9// distribution for complete text of the license and disclaimer of any warranty.
10//
11// Alternatively, this file may be used under the terms of Open CASCADE
12// commercial license or contractual agreement.
13
14#ifndef _StdLDrivers_DocumentRetrievalDriver_HeaderFile
15#define _StdLDrivers_DocumentRetrievalDriver_HeaderFile
16
17#include <PCDM_RetrievalDriver.hxx>
18#include <Storage_Error.hxx>
19
20class StdObjMgt_MapOfInstantiators;
ff205346 21class StdObjMgt_Persistent;
7ed7467d 22
23//! retrieval driver of a Part document
24class StdLDrivers_DocumentRetrievalDriver : public PCDM_RetrievalDriver
25{
26public:
27 //! Create an empty TDocStd_Document.
8bb8064e 28 Standard_EXPORT virtual Handle(CDM_Document) CreateDocument() Standard_OVERRIDE;
7ed7467d 29
30 //! Retrieve the content of a file into a new document.
45d8465e 31 Standard_EXPORT virtual void Read (const TCollection_ExtendedString& theFileName,
7ed7467d 32 const Handle(CDM_Document)& theNewDocument,
8bb8064e 33 const Handle(CDM_Application)& theApplication) Standard_OVERRIDE;
7ed7467d 34
201c2208 35 //! Override pure virtual method (raises exception Standard_NotImplemented)
36 Standard_EXPORT virtual void Read (Standard_IStream& theIStream,
37 const Handle(Storage_Data)& theStorageData,
38 const Handle(CDM_Document)& theDoc,
39 const Handle(CDM_Application)& theApplication) Standard_OVERRIDE;
40
7ed7467d 41 DEFINE_STANDARD_RTTIEXT (StdLDrivers_DocumentRetrievalDriver, PCDM_RetrievalDriver)
42
ff205346 43protected:
44 //! Register types.
45 Standard_EXPORT virtual void bindTypes (StdObjMgt_MapOfInstantiators& theMap);
46
7ed7467d 47private:
ff205346 48 //! Read persistent document from a file.
49 Handle(StdObjMgt_Persistent) read (
50 const TCollection_ExtendedString& theFileName,
51 Storage_HeaderData& theHeaderData);
7ed7467d 52
ff205346 53 //! Update the reader status and raise an exception appropriate for the given storage error.
54 Standard_EXPORT void raiseOnStorageError (Storage_Error theError);
7ed7467d 55};
56
57#endif // _StdLDrivers_DocumentRetrievalDriver_HeaderFile