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File indexing completed on 2025-01-18 10:03:58

0001 // Created on: 1992-04-07
0002 // Created by: Christian CAILLET
0003 // Copyright (c) 1992-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016 
0017 #ifndef _IGESData_UndefinedEntity_HeaderFile
0018 #define _IGESData_UndefinedEntity_HeaderFile
0019 
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022 
0023 #include <Standard_Integer.hxx>
0024 #include <IGESData_IGESEntity.hxx>
0025 #include <IGESData_DefType.hxx>
0026 #include <IGESData_DefList.hxx>
0027 class Interface_UndefinedContent;
0028 class IGESData_IGESReaderData;
0029 class IGESData_DirPart;
0030 class Interface_Check;
0031 class IGESData_ParamReader;
0032 class IGESData_IGESWriter;
0033 
0034 
0035 class IGESData_UndefinedEntity;
0036 DEFINE_STANDARD_HANDLE(IGESData_UndefinedEntity, IGESData_IGESEntity)
0037 
0038 //! undefined (unknown or error) entity specific of IGES
0039 //! DirPart can be correct or not : if it is not, a flag indicates
0040 //! it, and each corrupted field has an associated error flag
0041 class IGESData_UndefinedEntity : public IGESData_IGESEntity
0042 {
0043 
0044 public:
0045 
0046   
0047   //! creates an unknown entity
0048   Standard_EXPORT IGESData_UndefinedEntity();
0049   
0050   //! Returns own data as an UndefinedContent
0051   Standard_EXPORT Handle(Interface_UndefinedContent) UndefinedContent() const;
0052   
0053   //! Returns own data as an UndefinedContent, in order to touch it
0054   Standard_EXPORT Handle(Interface_UndefinedContent) ChangeableContent();
0055   
0056   //! Redefines a completely new UndefinedContent
0057   //! Used by a Copy which begins by ShallowCopy, for instance
0058   Standard_EXPORT void SetNewContent (const Handle(Interface_UndefinedContent)& cont);
0059   
0060   //! says if DirPart is OK or not (if not, it is erroneous)
0061   //! Note that if it is not, Def* methods can return Error status
0062   Standard_EXPORT Standard_Boolean IsOKDirPart() const;
0063   
0064   //! returns Directory Error Status (used for Copy)
0065   Standard_EXPORT Standard_Integer DirStatus() const;
0066   
0067   //! Erases the Directory Error Status
0068   //! Warning : Be sure that data are consistent to call this method ...
0069   Standard_EXPORT void SetOKDirPart();
0070   
0071   //! returns Error status if necessary, else calls original method
0072   Standard_EXPORT virtual IGESData_DefType DefLineFont() const Standard_OVERRIDE;
0073   
0074   //! returns Error status if necessary, else calls original method
0075   Standard_EXPORT virtual IGESData_DefList DefLevel() const Standard_OVERRIDE;
0076   
0077   //! returns Error status if necessary, else calls original method
0078   Standard_EXPORT virtual IGESData_DefList DefView() const Standard_OVERRIDE;
0079   
0080   //! returns Error status if necessary, else calls original method
0081   Standard_EXPORT virtual IGESData_DefType DefColor() const Standard_OVERRIDE;
0082   
0083   //! returns Error status if necessary, else calls original method
0084   //! (that is, if SubScript field is not blank or positive integer)
0085   Standard_EXPORT virtual Standard_Boolean HasSubScriptNumber() const Standard_OVERRIDE;
0086   
0087   //! Computes the Directory Error Status, to be called before
0088   //! standard ReadDir from IGESReaderTool
0089   //! Returns True if OK (hence, Directory can be loaded),
0090   //! Else returns False and the DirPart <DP> is modified
0091   //! (hence, Directory Error Status is non null; and standard Read
0092   //! will work with an acceptable DirectoryPart)
0093   Standard_EXPORT virtual Standard_Boolean ReadDir (const Handle(IGESData_IGESReaderData)& IR, IGESData_DirPart& DP, Handle(Interface_Check)& ach);
0094   
0095   //! reads own parameters from file; PR gives access to them, IR
0096   //! detains parameter types and values
0097   //! Here, reads all parameters, integers are considered as entity
0098   //! reference unless they cannot be; no list interpretation
0099   //! No property or associativity list is managed
0100   Standard_EXPORT virtual void ReadOwnParams (const Handle(IGESData_IGESReaderData)& IR, IGESData_ParamReader& PR);
0101   
0102   //! writes parameters to IGESWriter, taken from UndefinedContent
0103   Standard_EXPORT virtual void WriteOwnParams (IGESData_IGESWriter& IW) const;
0104 
0105 
0106 
0107 
0108   DEFINE_STANDARD_RTTIEXT(IGESData_UndefinedEntity,IGESData_IGESEntity)
0109 
0110 protected:
0111 
0112 
0113 
0114 
0115 private:
0116 
0117 
0118   Standard_Integer thedstat;
0119   Handle(Interface_UndefinedContent) thecont;
0120 
0121 
0122 };
0123 
0124 
0125 
0126 
0127 
0128 
0129 
0130 #endif // _IGESData_UndefinedEntity_HeaderFile