mapnik/include/mapnik/formatting/base.hpp
2012-03-07 01:35:37 +01:00

58 lines
1.8 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2012 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
*
*****************************************************************************/
#ifndef FORMATTING_BASE_HPP
#define FORMATTING_BASE_HPP
// mapnik
#include <mapnik/feature.hpp>
#include <mapnik/expression.hpp>
// stl
#include <set>
// boost
#include <boost/property_tree/ptree.hpp>
namespace mapnik {
typedef std::set<expression_ptr> expression_set;
class processed_text;
class xml_node;
struct char_properties;
namespace formatting {
class node;
typedef boost::shared_ptr<node> node_ptr;
class node
{
public:
virtual ~node() {}
virtual void to_xml(boost::property_tree::ptree &xml) const;
static node_ptr from_xml(xml_node const& xml);
virtual void apply(char_properties const& p, Feature const& feature, processed_text &output) const = 0;
virtual void add_expressions(expression_set &output) const;
};
} //ns formatting
} //ns mapnik
#endif // FORMATTING_BASE_HPP