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118 lines
4.3 KiB
C++
118 lines
4.3 KiB
C++
// Created on: 1992-02-11
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// Created by: Christian CAILLET
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// Copyright (c) 1992-1999 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 _StepData_StepReaderTool_HeaderFile
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#define _StepData_StepReaderTool_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Interface_GeneralLib.hxx>
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#include <Interface_ReaderLib.hxx>
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#include <Interface_FileReaderTool.hxx>
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#include <Standard_Integer.hxx>
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class StepData_FileRecognizer;
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class StepData_StepReaderData;
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class StepData_Protocol;
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class Interface_Check;
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class Standard_Transient;
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class Interface_InterfaceModel;
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//! Specific FileReaderTool for Step; works with FileReaderData
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//! provides references evaluation, plus access to literal data
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//! and specific methods defined by FileReaderTool
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//! Remarks : works with a ReaderLib to load Entities
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class StepData_StepReaderTool : public Interface_FileReaderTool
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! creates StepReaderTool to work with a StepReaderData according
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//! to a Step Protocol. Defines the ReaderLib at this time
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Standard_EXPORT StepData_StepReaderTool(const Handle(StepData_StepReaderData)& reader, const Handle(StepData_Protocol)& protocol);
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//! Bounds empty entities to records, uses default Recognition
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//! provided by ReaderLib and ReaderModule. Also calls computation
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//! of references (SetEntityNumbers from StepReaderData)
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//! Works only on data entities (skips header)
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//! <optimize> given False allows to test some internal algorithms
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//! which are normally avoided (see also StepReaderData)
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Standard_EXPORT void Prepare (const Standard_Boolean optimize = Standard_True);
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//! Bounds empty entities to records, works with a specific
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//! FileRecognizer, stored and later used in Recognize
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//! Works only on data entities (skips header)
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//! <optimize : same as above
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Standard_EXPORT void Prepare (const Handle(StepData_FileRecognizer)& reco, const Standard_Boolean optimize = Standard_True);
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//! recognizes records, by asking either ReaderLib (default) or
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//! FileRecognizer (if defined) to do so. <ach> is to call
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//! RecognizeByLib
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Standard_EXPORT Standard_Boolean Recognize (const Standard_Integer num, Handle(Interface_Check)& ach, Handle(Standard_Transient)& ent) Standard_OVERRIDE;
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//! bounds empty entities and sub-lists to header records
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//! works like Prepare + SetEntityNumbers, but for header
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//! (N.B.: in Header, no Ident and no reference)
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//! FileRecognizer is to specify Entities which are allowed to be
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//! defined in the Header (not every type can be)
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Standard_EXPORT void PrepareHeader (const Handle(StepData_FileRecognizer)& reco);
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//! fills model's header; that is, gives to it Header entities
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//! and commands their loading. Also fills StepModel's Global
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//! Check from StepReaderData's GlobalCheck
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Standard_EXPORT void BeginRead (const Handle(Interface_InterfaceModel)& amodel) Standard_OVERRIDE;
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//! fills an entity, given record no; works by using a ReaderLib
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//! to load each entity, which must be a Transient
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//! Actually, returned value is True if no fail, False else
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Standard_EXPORT Standard_Boolean AnalyseRecord (const Standard_Integer num, const Handle(Standard_Transient)& anent, Handle(Interface_Check)& acheck) Standard_OVERRIDE;
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//! Ends file reading after reading all the entities
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//! Here, it binds in the model, Idents to Entities (for checks)
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Standard_EXPORT virtual void EndRead (const Handle(Interface_InterfaceModel)& amodel) Standard_OVERRIDE;
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protected:
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private:
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Handle(StepData_FileRecognizer) thereco;
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Interface_GeneralLib theglib;
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Interface_ReaderLib therlib;
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};
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#endif // _StepData_StepReaderTool_HeaderFile
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