node.h

00001 /*
00002  * This file is part of the syndication library
00003  *
00004  * Copyright (C) 2006 Frank Osterfeld <osterfeld@kde.org>
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public License
00017  * along with this library; see the file COPYING.LIB.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 #ifndef SYNDICATION_RDF_NODE_H
00023 #define SYNDICATION_RDF_NODE_H
00024 
00025 #include <syndication/ksyndication_export.h>
00026 #include <boost/shared_ptr.hpp>
00027 
00028 namespace Syndication {
00029 namespace RDF {
00030 
00031 class Model;
00032 class Node;
00033 class NodeVisitor;
00034 //@cond PRIVATE
00035 typedef boost::shared_ptr<Node> NodePtr;
00036 //@endcond
00037 
00042 class SYNDICATION_EXPORT Node
00043 {
00044     public:
00045 
00049         virtual ~Node();
00050 
00057         virtual void accept(NodeVisitor* visitor, NodePtr ptr);
00058 
00065         virtual bool operator==(const Node& other) const = 0;
00066 
00072         virtual Node* clone() const = 0;
00073 
00077         virtual bool isNull() const = 0;
00078 
00082         virtual bool isResource() const = 0;
00083 
00087         virtual bool isProperty() const = 0;
00088 
00092         virtual bool isLiteral() const = 0;
00093 
00097         virtual bool isSequence() const = 0;
00098 
00102         virtual bool isAnon() const = 0;
00103 
00108         virtual unsigned int id() const = 0;
00109 
00115         virtual QString text() const = 0;
00116         
00121         virtual void setModel(const Model& model) = 0;
00122 
00127         virtual void setId(unsigned int id) = 0;
00128 
00129     protected:
00130 
00134         static unsigned int idCounter;
00135 };
00136 
00137 } // namespace RDF
00138 } // namespace Syndication
00139 
00140 #endif // SYNDICATION_RDF_NODE_H
node.h

syndication/rdf

API Dox
