00001 /*************************************************************************** 00002 ** 00003 ** This file is part of QGpCoreTools. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created : 2007-04-10 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (LGIT, Grenoble, France) 00025 ** 00026 ***************************************************************************/ 00027 00028 #ifndef EXPRESSIONSTORAGE_H 00029 #define EXPRESSIONSTORAGE_H 00030 00031 #include <QtCore> 00032 00033 #include "QGpCoreToolsDLLExport.h" 00034 00035 namespace QGpCoreTools { 00036 00037 class QGPCORETOOLS_EXPORT ExpressionStorage 00038 { 00039 public: 00040 ExpressionStorage() {} 00041 virtual ~ExpressionStorage() {} 00042 00043 virtual QVariant value(const QString& index) const=0; 00044 virtual void setValue(const QString& index, const QVariant& val)=0; 00045 virtual bool isReadOnly() const {return false;} 00046 }; 00047 00048 class QGPCORETOOLS_EXPORT ExpressionVariableStorage : public ExpressionStorage 00049 { 00050 public: 00051 virtual QVariant value(const QString& index) const; 00052 virtual void setValue(const QString& index, const QVariant& val); 00053 private: 00054 QMap<QString, QVariant> _values; 00055 }; 00056 00057 } // namespace QGpCoreTools 00058 00059 #endif // EXPRESSIONSTORAGE_H
