00001 /**************************************************************************** 00002 ** This file is part of Cubi, a Sparql query builder for the Qt framework 00003 ** 00004 ** Copyright (c) 2010-2011 Nokia Corporation and/or its subsidiary(-ies). 00005 ** 00006 ** Contact: Nokia Corporation (info@qt.nokia.com) 00007 ** 00008 ** 00009 ** GNU Lesser General Public License Usage 00010 ** 00011 ** This file may be used under the terms of the GNU Lesser General Public 00012 ** License version 2.1 as published by the Free Software Foundation and 00013 ** appearing in the file LICENSE.LGPL included in the packaging of this file. 00014 ** Please review the following information to ensure the GNU Lesser General 00015 ** Public License version 2.1 requirements will be met: 00016 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00017 ** 00018 ** In addition, as a special exception, Nokia gives you certain additional 00019 ** rights. These rights are described in the Nokia Qt LGPL Exception 00020 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 00021 ** 00022 ** Other Usage 00023 ** 00024 ** Alternatively, this file may be used in accordance with the terms and 00025 ** conditions contained in a signed written agreement between you and Nokia. 00026 ** 00027 ** If you have questions regarding the use of this file, please contact 00028 ** Nokia at info@qt.nokia.com. 00029 ****************************************************************************/ 00030 00031 #ifndef CUBI_VALUE_H 00032 #define CUBI_VALUE_H 00033 00034 #include "global.h" 00035 00036 #include <QtCore> 00037 00038 CUBI_BEGIN_NAMESPACE 00039 00040 class ValueData; 00041 00042 class Value 00043 { 00044 00045 public: 00046 Value(); 00047 Value(const Value &other); 00048 Value& operator=(const Value &other); 00049 ~Value(); 00050 bool operator==(const Value &other) const; 00051 bool operator!=(const Value & other) const; 00052 00053 enum Type { 00054 TypeInvalid, 00055 TypeBlankValue, 00056 TypeFilter, 00057 TypeFunction, 00058 TypeLiteralValue, 00059 TypeResourceValue, 00060 TypeValueList, 00061 TypeVariable 00062 }; 00063 00064 Type type() const; 00065 bool isValid() const; 00066 00067 QString sparql() const; 00068 00069 protected: 00070 explicit Value(ValueData *data); 00071 00072 QSharedDataPointer<ValueData> d; 00073 }; 00074 00075 typedef QList<Value> ValueChain; 00076 00077 CUBI_END_NAMESPACE 00078 00079 #endif