x3d_base.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 Cirilo Bernardo <[email protected]>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
 
#ifndef X3D_BASE_H
#define X3D_BASE_H
 
#include <list>
#include <map>
#include <string>
#include <vector>
#include <wx/string.h>
 
class X3DNODE;
class SGNODE;
class wxXmlNode;
 
typedef std::vector< wxXmlNode* > NODE_LIST;
 
 
// a class to hold the dictionary of node DEFs
class X3D_DICT
{
public:
 bool AddName( const wxString& aName, X3DNODE* aNode );
 bool DelName( const wxString& aName, X3DNODE* aNode );
 X3DNODE* FindName( const wxString& aName );
 
private:
 std::map< wxString, X3DNODE* > reg;
};
 
enum X3DNODES
{
 X3D_TRANSFORM = 0, // Transform or Group node
 X3D_SWITCH,
 X3D_SHAPE,
 X3D_APPEARANCE,
 X3D_INDEXED_FACE_SET,
 X3D_COORDINATE,
 X3D_INVALID,
 X3D_END = X3D_INVALID
};
 
class X3DNODE
{
public:
 
 virtual void unlinkChildNode( const X3DNODE* aNode );
 
 virtual void unlinkRefNode( const X3DNODE* aNode );
 
 void addNodeRef( X3DNODE* aNode );
 
 void delNodeRef( X3DNODE* aNode );
 
 X3DNODE();
 virtual ~X3DNODE();
 
 // read data and return TRUE on success
 virtual bool Read( wxXmlNode* aNode, X3DNODE* aTopNode, X3D_DICT& aDict ) = 0;
 
 X3DNODES GetNodeType( void ) const;
 
 X3DNODE* GetParent( void ) const;
 
 wxString GetName( void ) const;
 
 virtual bool SetParent( X3DNODE* aParent, bool doUnlink = true ) = 0;
 
 virtual bool AddChildNode( X3DNODE* aNode ) = 0;
 
 virtual bool AddRefNode( X3DNODE* aNode ) = 0;
 
 std::string GetError( void );
 
 virtual SGNODE* TranslateToSG( SGNODE* aParent ) = 0;
 
protected:
 X3DNODE* m_Parent; // pointer to parent node; may be NULL for top level node
 X3DNODES m_Type; // type of node
 X3D_DICT* m_Dict; // reference to dictionary
 
 std::list< X3DNODE* > m_BackPointers; // nodes which hold a reference to this
 std::list< X3DNODE* > m_Children; // nodes owned by this node
 std::list< X3DNODE* > m_Refs; // nodes referenced by this node
 std::string m_error;
 
 wxString m_Name; // name to use for referencing the node by name
 SGNODE* m_sgNode; // the SGNODE representation of the display data
};
 
#endif // X3D_BASE_H