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AttributeMapBase.h

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00001 /****************** <VPR heading BEGIN do not edit this line> *****************
00002  *
00003  * VR Juggler Portable Runtime
00004  *
00005  * Original Authors:
00006  *   Allen Bierbaum, Patrick Hartling, Kevin Meinert, Carolina Cruz-Neira
00007  *
00008  * -----------------------------------------------------------------
00009  * File:          $RCSfile: AttributeMapBase.h,v $
00010  * Date modified: $Date: 2003/11/09 16:55:31 $
00011  * Version:       $Revision: 1.4 $
00012  * -----------------------------------------------------------------
00013  *
00014  ****************** <VPR heading END do not edit this line> ******************/
00015 
00016 /*************** <auto-copyright.pl BEGIN do not edit this line> **************
00017  *
00018  * VR Juggler is (C) Copyright 1998-2003 by Iowa State University
00019  *
00020  * Original Authors:
00021  *   Allen Bierbaum, Christopher Just,
00022  *   Patrick Hartling, Kevin Meinert,
00023  *   Carolina Cruz-Neira, Albert Baker
00024  *
00025  * This library is free software; you can redistribute it and/or
00026  * modify it under the terms of the GNU Library General Public
00027  * License as published by the Free Software Foundation; either
00028  * version 2 of the License, or (at your option) any later version.
00029  *
00030  * This library is distributed in the hope that it will be useful,
00031  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00032  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00033  * Library General Public License for more details.
00034  *
00035  * You should have received a copy of the GNU Library General Public
00036  * License along with this library; if not, write to the
00037  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00038  * Boston, MA 02111-1307, USA.
00039  *
00040  *************** <auto-copyright.pl END do not edit this line> ***************/
00041 
00042 #ifndef _VPR_ATTRIBUTE_MAP_BASE_H
00043 #define _VPR_ATTRIBUTE_MAP_BASE_H
00044 
00045 #include <vpr/vprConfig.h>
00046 #include <map>
00047 #include <string>
00048 #include <boost/any.hpp>
00049 
00050 
00051 namespace vpr
00052 {
00053 
00061 class AttributeMapBase
00062 {
00063 public:
00067    template<typename TYPE>
00068    void setAttrib(std::string name, TYPE val)
00069    {
00070       mAttribMap[name] = val;
00071    }
00072 
00078    template<typename TYPE>
00079    TYPE getAttrib(std::string name)
00080    {
00081       TYPE ret_val;     // Construct default return value
00082       if(attribExists(name))
00083       {
00084          boost::any any_val = mAttribMap[name];
00085          try
00086          {
00087             ret_val = boost::any_cast<TYPE>(any_val);
00088          }
00089          catch(const boost::bad_any_cast&)
00090          {
00091             ret_val = TYPE();    // Default value
00092          }
00093       }
00094       return ret_val;
00095    }
00096 
00100    bool attribExists(std::string name)
00101    {
00102       attrib_map_t::iterator found = mAttribMap.find(name);
00103       return (found != mAttribMap.end());
00104    }
00105 
00106 
00107 private:
00108    typedef std::map<std::string, boost::any> attrib_map_t;
00109    attrib_map_t   mAttribMap;
00110 };
00111 
00112 } // namespace vpr
00113 
00114 #endif
00115 

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