mapnik/include/params.hpp
2006-03-31 10:32:02 +00:00

97 lines
3.2 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id: params.hpp 39 2005-04-10 20:39:53Z pavlenko $
#ifndef PARAMS_HPP
#define PARAMS_HPP
#include <map>
#include <boost/serialization/split_member.hpp>
#include <boost/serialization/serialization.hpp>
#include <boost/serialization/nvp.hpp>
#include <boost/serialization/utility.hpp>
#include <boost/serialization/vector.hpp>
#include <boost/serialization/map.hpp>
#include <boost/serialization/string.hpp>
#include <boost/serialization/level.hpp>
#include <boost/serialization/tracking.hpp>
#include <boost/serialization/base_object.hpp>
namespace mapnik
{
typedef std::pair<const std::string,std::string> parameter;
typedef std::map<const std::string,std::string> param_map;
class parameters : public param_map
{
friend class boost::serialization::access;
template <typename Archive>
void save(Archive & ar, const unsigned int /*version*/) const
{
const size_t size = param_map::size();
ar & boost::serialization::make_nvp("count",size);
param_map::const_iterator itr;
for (itr=param_map::begin();itr!=param_map::end();++itr)
{
ar & boost::serialization::make_nvp("name",itr->first);
ar & boost::serialization::make_nvp("value",itr->second);
}
}
template <typename Archive>
void load(Archive & ar, const unsigned int /*version*/)
{
size_t size;
ar & boost::serialization::make_nvp("size",size);
for (size_t i=0;i<size;++i)
{
std::string name;
std::string value;
ar & boost::serialization::make_nvp("name",name);
ar & boost::serialization::make_nvp("value",value);
param_map::insert(make_pair(name,value));
}
}
BOOST_SERIALIZATION_SPLIT_MEMBER()
public:
parameters() {}
const std::string get(std::string const& key) const
{
param_map::const_iterator itr=find(key);
if (itr != end())
{
return itr->second;
}
return std::string();
}
};
}
BOOST_CLASS_IMPLEMENTATION(mapnik::parameter, boost::serialization::object_serializable)
BOOST_CLASS_TRACKING(mapnik::parameter, boost::serialization::track_never)
BOOST_CLASS_IMPLEMENTATION(mapnik::parameters, boost::serialization::object_serializable)
BOOST_CLASS_TRACKING(mapnik::parameters, boost::serialization::track_never)
#endif //PARAMS_HPP