value.h

00001 /* 
00002  * Gnome Chemistry Utils
00003  * value.h 
00004  *
00005  * Copyright (C) 2002-2007 Jean Bréfort <jean.brefort@normalesup.org>
00006  *
00007  * This program is free software; you can redistribute it and/or 
00008  * modify it under the terms of the GNU General Public License as 
00009  * published by the Free Software Foundation; either version 2 of the
00010  * License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
00020  * USA
00021  */
00022 
00023 #ifndef GCU_VALUE_H
00024 #define GCU_VALUE_H
00025 
00026 #include "chemistry.h"
00027 #include <string>
00028 #include <map>
00029 
00030 namespace gcu
00031 {
00032 
00036 class Value
00037 {
00038 public:
00042         Value ();
00046         virtual ~Value ();
00047 
00051         virtual char const *GetAsString () const;
00052 
00056         virtual double GetAsDouble () const;
00057 };
00058 
00062 class SimpleValue: public Value
00063 {
00064 friend class Element;
00065 
00066 public:
00070         SimpleValue ();
00074         virtual ~SimpleValue ();
00075 
00079         char const *GetAsString () const;
00083         double GetAsDouble () const;
00087         GcuValue const GetValue () {return val;}
00088 
00089 private:
00090         GcuValue val;
00091         std::string str;
00092 };
00097 class DimensionalValue: public Value
00098 {
00099 friend class Element;
00100 
00101 public:
00105         DimensionalValue ();
00109         virtual ~DimensionalValue ();
00110 
00114         char const *GetAsString () const;
00118         double GetAsDouble () const;
00122         GcuDimensionalValue const GetValue () {return val;}
00123 
00124 private:
00125         GcuDimensionalValue val;
00126         std::string str;
00127 };
00128 
00132 class StringValue: public Value
00133 {
00134 friend class Element;
00135 
00136 public:
00140         StringValue ();
00144         virtual ~StringValue ();
00145 
00149         char const *GetAsString () const;
00150 
00151 private:
00152         std::string val;
00153 };
00154 
00158 class LocalizedStringValue: public Value
00159 {
00160 friend class Element;
00161 
00162 public:
00166         LocalizedStringValue ();
00170         virtual ~LocalizedStringValue ();
00171 
00176         char const *GetAsString () const;
00182         char const *GetLocalizedString (char const *lang) const;
00183 
00184 private:
00185         std::map <std::string, std::string> vals;
00186 };
00187 
00188 }       // namespace gcu
00189 
00190 #endif  //      GCU_VALUE_H

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