soprano/inference/nodepattern.h

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00001 /*
00002  * This file is part of Soprano Project.
00003  *
00004  * Copyright (C) 2007 Sebastian Trueg <trueg@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 _SOPRANO_NODE_PATTERN_H_
00023 #define _SOPRANO_NODE_PATTERN_H_
00024 
00025 #include <QtCore/QSharedDataPointer>
00026 #include <QtCore/QString>
00027 
00028 #include "soprano_export.h"
00029 #include "node.h"
00030 
00031 namespace Soprano {
00032 
00033     class BindingSet;
00034 
00035     namespace Inference {
00049         class SOPRANO_EXPORT NodePattern
00050         {
00051         public:
00052             NodePattern();
00053             NodePattern( const Node& );
00054             NodePattern( const QString& varname );
00055             NodePattern( const NodePattern& );
00056             ~NodePattern();
00057 
00058             NodePattern& operator=( const NodePattern& );
00059         
00060             bool isVariable() const;
00061 
00066             Node resource() const;
00067 
00072             QString variableName() const;
00073 
00081             bool match( const Node& node ) const;
00082 
00083             QString createSparqlNodePattern( const BindingSet& bindings ) const;
00084 
00085         private:
00086             class Private;
00087             QSharedDataPointer<Private> d;
00088         };
00089     }
00090 }
00091 
00092 SOPRANO_EXPORT QDebug operator<<( QDebug s, const Soprano::Inference::NodePattern& );
00093 
00094 #endif

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