mapnik/bindings/python/mapnik_datasource_cache.cpp
2014-10-21 16:37:27 -07:00

104 lines
3.1 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
*
* 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
*
*****************************************************************************/
#include <mapnik/config.hpp>
// boost
#include "boost_std_shared_shim.hpp"
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wunused-local-typedef"
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
#include <boost/python.hpp>
#include <boost/noncopyable.hpp>
#pragma GCC diagnostic pop
#include <mapnik/value_types.hpp>
#include <mapnik/params.hpp>
#include <mapnik/datasource.hpp>
#include <mapnik/datasource_cache.hpp>
namespace {
using namespace boost::python;
std::shared_ptr<mapnik::datasource> create_datasource(const dict& d)
{
mapnik::parameters params;
boost::python::list keys=d.keys();
for (int i=0; i<len(keys); ++i)
{
std::string key = extract<std::string>(keys[i]);
object obj = d[key];
extract<std::string> ex0(obj);
extract<mapnik::value_integer> ex1(obj);
extract<double> ex2(obj);
if (ex0.check())
{
params[key] = ex0();
}
else if (ex1.check())
{
params[key] = ex1();
}
else if (ex2.check())
{
params[key] = ex2();
}
}
return mapnik::datasource_cache::instance().create(params);
}
void register_datasources(std::string const& path)
{
mapnik::datasource_cache::instance().register_datasources(path);
}
std::vector<std::string> plugin_names()
{
return mapnik::datasource_cache::instance().plugin_names();
}
std::string plugin_directories()
{
return mapnik::datasource_cache::instance().plugin_directories();
}
}
void export_datasource_cache()
{
using mapnik::datasource_cache;
class_<datasource_cache,
boost::noncopyable>("DatasourceCache",no_init)
.def("create",&create_datasource)
.staticmethod("create")
.def("register_datasources",&register_datasources)
.staticmethod("register_datasources")
.def("plugin_names",&plugin_names)
.staticmethod("plugin_names")
.def("plugin_directories",&plugin_directories)
.staticmethod("plugin_directories")
;
}