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/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
// -*- C++ -*-
/*
* Copyright (C) 1990,91 Silicon Graphics, Inc.
*
_______________________________________________________________________
______________ S I L I C O N G R A P H I C S I N C . ____________
|
| $Revision: 1.1.1.1 $
|
| Description:
| This file defines the SoUnknownNode node class.
|
| Author(s) : Dave Immel, Paul S. Strauss, Gavin Bell
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#ifndef _SO_UNKNOWN_NODE_
#define _SO_UNKNOWN_NODE_
#include <Inventor/fields/SoFieldData.h>
#include <Inventor/nodes/SoGroup.h>
#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/misc/SoChildList.h>
class SoSFNode;
class SoMFString;
//////////////////////////////////////////////////////////////////////////////
//
// Class: SoUnknownNode
//
// The Unknown Node! This node is created during file reading when a
// node is read that is unrecognized by Inventor and a DSO cannot be found
// for it. Note that even though it is derived from SoGroup, we lie
// and tell SoType that it is derived from SoNode. This, along with
// the fact that users are not shipped this header file (so they
// can't call SoGroup methods directly), has the effect of making the
// normally public children hidden.
//
//////////////////////////////////////////////////////////////////////////////
class SoUnknownNode : public SoGroup {
SO_NODE_HEADER(SoUnknownNode);
public:
// Constructor
SoUnknownNode();
SoEXTENDER public:
virtual void write(SoWriteAction *action);
SoINTERNAL public:
static void initClass();
void setClassName(const char *name);
protected:
// Reads field type information, fields, and children.
virtual SbBool readInstance(SoInput *in, unsigned short flags);
// Override search so we don't search alternateRep
virtual void search(SoSearchAction *action);
// Returns file format name
virtual const char *getFileFormatName() const;
// Recursively adds this node and all nodes under it to the copy
// dictionary. Returns the copy of this node.
virtual SoNode * addToCopyDict() const;
// Copies the contents of the given node into this instance
virtual void copyContents(const SoFieldContainer *fromFC,
SbBool copyConnections);
private:
// Used during reading to create an alternateRep from an isA
// specification.
void createFromIsA(SoMFString *isA);
// Per-instance field data
SoFieldData *instanceFieldData;
// Real class name
const char *className;
// List of hidden children.
SoChildList hiddenChildren;
// Destructor
virtual ~SoUnknownNode();
// Will be true if read in with children
SbBool hasChildren;
};
#endif /* _SO_UNKNOWN_NODE_ */
|
