Property.cpp

/***************************************************************************
 *                                                                         *
 *   (c) Art Tevs, MPI Informatik Saarbruecken                             *
 *       mailto: <tevs@mpi-sb.mpg.de>                                      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

//----------------------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------------------
#include "Property.h"
#include "Exception.h"
#include "Log.h"

namespace nrEngine {

        //----------------------------------------------------------------------------------
        Property::Property() :mUserData(NULL)
        {

        }

        //----------------------------------------------------------------------------------
        Property::Property(const std::string& name) : mName(name), mFullName(name), mUserData(NULL)
        {

        }

        //----------------------------------------------------------------------------------
        Property::Property (const std::string& name, const boost::any& value) : mName(name), mFullName(name), mValue(value), mUserData(NULL)
        {

        }

        //----------------------------------------------------------------------------------
        Property::Property(const Property& p):mName(p.getName()), mFullName(p.getFullName()), mValue(p.getValue()), mUserData(p.mUserData)
        {

        }

        //----------------------------------------------------------------------------------
        Property& Property::operator=(const boost::any& val)
        {
                mValue = val;
                return *this;
        }

        //----------------------------------------------------------------------------------
        bool Property::operator==(const Property& p)
        {
                return (p.getFullName() == mFullName && p.getValue().type() == mValue.type());
        }

        
        //----------------------------------------------------------------------------------
        PropertyList& PropertyList::operator, (const Property& p)
        {
                push_back(p);
                return *this;
        }

        //----------------------------------------------------------------------------------
        PropertyList& PropertyList::operator, ( Property& p)
        {
                p = front();
                pop_front();
                return *this;
        }

        //----------------------------------------------------------------------------------
        bool PropertyList::exists(const std::string& name) const
        {
                // search for the key
                const_iterator it = begin();
                for (; it != end(); it++)
                        if (it->getName() == name) return true;
                return false;
        }

        //----------------------------------------------------------------------------------
        /*const Property& PropertyList::operator[](const std::string& name)
        {
                // search for the key
                for (const_iterator it = begin(); it != end(); it++) if (it->getName() == name) return *it;

                // we could not find it, so create it and return reference
                push_back(Property(name));
                for (const_iterator it = begin(); it != end(); it++) if (it->getName() == name) return *it;
                
                // ok it should be there, so exception
                NR_EXCEPT(UNKNOWN_ERROR, "This is a BUG! Contact Author!", "PropertyList::operator[]");
        }*/
        
        //----------------------------------------------------------------------------------
        Property& PropertyList::operator[](const std::string& name)
        {
                // search for the key
                for (iterator it = begin(); it != end(); it++) if (it->getName() == name) return *it;

                // we could not find it, so create it and return reference
                Property p(name);
                push_back(p);

                // some debug info
                NR_Log(Log::LOG_ENGINE, Log::LL_DEBUG, "Property: Initialize new property '%s'", name.c_str());

                return back();
        }

        //----------------------------------------------------------------------------------
        const Property& PropertyList::operator[](const std::string& name) const
        {
                // search for the key
                for (const_iterator it = begin(); it != end(); it++) if (it->getName() == name) return *it;

                // we could not find it, so error, because we can not add new elements to const
                NR_EXCEPT(UNKNOWN_ERROR, "const PropertyList can not add new elements", "PropertyList::operator[]");
        }

};

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