// Created on: 1993-05-05
// Created by: Christian CAILLET
// Copyright (c) 1993-1999 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 _IGESData_Protocol_HeaderFile
#define _IGESData_Protocol_HeaderFile

#include "Standard.hxx"
#include "Standard_Type.hxx"

#include "Interface_Protocol.hxx"
#include "Standard_Integer.hxx"
class Interface_InterfaceModel;
class Standard_Transient;

//! Description of basic Protocol for IGES
//! This comprises treatment of IGESModel and Recognition of
//! Undefined-FreeFormat-Entity
class IGESData_Protocol : public Interface_Protocol
{

public:
  Standard_EXPORT IGESData_Protocol();

  //! Gives the count of Resource Protocol. Here, none
  Standard_EXPORT int NbResources() const override;

  //! Returns a Resource, given a rank. Here, none
  Standard_EXPORT occ::handle<Interface_Protocol> Resource(const int num) const override;

  //! Returns a Case Number, specific of each recognized Type
  //! Here, Undefined and Free Format Entities have the Number 1.
  Standard_EXPORT int TypeNumber(const occ::handle<Standard_Type>& atype) const override;

  //! Creates an empty Model for IGES Norm
  Standard_EXPORT occ::handle<Interface_InterfaceModel> NewModel() const override;

  //! Returns True if <model> is a Model of IGES Norm
  Standard_EXPORT bool IsSuitableModel(
    const occ::handle<Interface_InterfaceModel>& model) const override;

  //! Creates a new Unknown Entity for IGES (UndefinedEntity)
  Standard_EXPORT occ::handle<Standard_Transient> UnknownEntity() const override;

  //! Returns True if <ent> is an Unknown Entity for the Norm, i.e.
  //! Type UndefinedEntity, status Unknown
  Standard_EXPORT bool IsUnknownEntity(const occ::handle<Standard_Transient>& ent) const override;

  DEFINE_STANDARD_RTTIEXT(IGESData_Protocol, Interface_Protocol)
};

#endif // _IGESData_Protocol_HeaderFile