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96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
// Created on: 1993-02-04
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// Created by: Christian CAILLET
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// Copyright (c) 1993-1999 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 _Interface_ReaderModule_HeaderFile
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#define _Interface_ReaderModule_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <MMgt_TShared.hxx>
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#include <Standard_Integer.hxx>
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#include <Standard_Boolean.hxx>
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class Standard_DomainError;
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class Interface_FileReaderData;
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class Interface_Check;
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class Standard_Transient;
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class Interface_ReaderModule;
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DEFINE_STANDARD_HANDLE(Interface_ReaderModule, MMgt_TShared)
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//! Defines unitary operations required to read an Entity from a
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//! File (see FileReaderData, FileReaderTool), under control of
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//! a FileReaderTool. The initial creation is performed by a
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//! GeneralModule (set in GeneralLib). Then, which remains is
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//! Loading data from the FileReaderData to the Entity
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//!
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//! To work, a GeneralModule has formerly recognized the Type read
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//! from FileReaderData as a positive Case Number, then the
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//! ReaderModule reads it according to this Case Number
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class Interface_ReaderModule : public MMgt_TShared
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{
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public:
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//! Translates the type of record <num> in <data> to a positive
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//! Case Number. If Recognition fails, must return 0
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Standard_EXPORT virtual Standard_Integer CaseNum (const Handle(Interface_FileReaderData)& data, const Standard_Integer num) const = 0;
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//! Performs the effective loading from <data>, record <num>,
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//! to the Entity <ent> formerly created
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//! In case of Error or Warning, fills <ach> with messages
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//! Remark that the Case Number comes from translating a record
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Standard_EXPORT virtual void Read (const Standard_Integer casenum, const Handle(Interface_FileReaderData)& data, const Standard_Integer num, Handle(Interface_Check)& ach, const Handle(Standard_Transient)& ent) const = 0;
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//! Specific operator (create+read) defaulted to do nothing.
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//! It can be redefined when it is not possible to work in two
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//! steps (NewVoid then Read). This occurs when no default
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//! constructor is defined : hence the result <ent> must be
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//! created with an effective definition from the reader.
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//! Remark : if NewRead is defined, Copy has nothing to do.
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//!
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//! Returns True if it has produced something, false else.
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//! If nothing was produced, <ach> should be filled : it will be
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//! treated as "Unrecognized case" by reader tool.
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Standard_EXPORT virtual Standard_Boolean NewRead (const Standard_Integer casenum, const Handle(Interface_FileReaderData)& data, const Standard_Integer num, Handle(Interface_Check)& ach, Handle(Standard_Transient)& ent) const;
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DEFINE_STANDARD_RTTIEXT(Interface_ReaderModule,MMgt_TShared)
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protected:
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private:
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};
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#endif // _Interface_ReaderModule_HeaderFile
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