syndication/rdf
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