mapnik/include/mapnik/plugin.hpp

59 lines
1.8 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 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 MAPNIK_PLUGIN_HPP
#define MAPNIK_PLUGIN_HPP
// mapnik
#include <mapnik/util/noncopyable.hpp>
// stl
#include <string>
namespace mapnik
{
// Opaque structure for handle
using mapnik_lib_t = struct _mapnik_lib_t;
class PluginInfo : util::noncopyable
{
public:
using callable_returning_string = const char* (*) ();
using callable_returning_void = void (*) ();
PluginInfo (std::string const& filename,
std::string const& library_name);
~PluginInfo();
std::string const& name() const;
bool valid() const;
std::string get_error() const;
void * get_symbol(std::string const& sym_name) const;
static void init();
static void exit();
private:
std::string filename_;
std::string name_;
mapnik_lib_t * module_;
};
}
#endif // MAPNIK_PLUGIN_HPP