88 lines
2.8 KiB
C++
88 lines
2.8 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
|
|
*
|
|
*****************************************************************************/
|
|
|
|
// boost
|
|
#include <boost/python.hpp>
|
|
|
|
|
|
// mapnik
|
|
#include <mapnik/query.hpp>
|
|
#include <mapnik/box2d.hpp>
|
|
|
|
#include <string>
|
|
#include <set>
|
|
|
|
using mapnik::query;
|
|
using mapnik::box2d;
|
|
|
|
namespace python = boost::python;
|
|
|
|
struct resolution_to_tuple
|
|
{
|
|
static PyObject* convert(query::resolution_type const& x)
|
|
{
|
|
python::object tuple(python::make_tuple(x.get<0>(), x.get<1>()));
|
|
return python::incref(tuple.ptr());
|
|
}
|
|
|
|
static PyTypeObject const* get_pytype()
|
|
{
|
|
return &PyTuple_Type;
|
|
}
|
|
};
|
|
|
|
struct names_to_list
|
|
{
|
|
static PyObject* convert(std::set<std::string> const& names)
|
|
{
|
|
boost::python::list l;
|
|
for ( std::string const& name : names )
|
|
{
|
|
l.append(name);
|
|
}
|
|
return python::incref(l.ptr());
|
|
}
|
|
|
|
static PyTypeObject const* get_pytype()
|
|
{
|
|
return &PyList_Type;
|
|
}
|
|
};
|
|
|
|
void export_query()
|
|
{
|
|
using namespace boost::python;
|
|
|
|
to_python_converter<query::resolution_type, resolution_to_tuple> ();
|
|
to_python_converter<std::set<std::string>, names_to_list> ();
|
|
|
|
class_<query>("Query", "a spatial query data object",
|
|
init<box2d<double>,query::resolution_type const&,double>() )
|
|
.def(init<box2d<double> >())
|
|
.add_property("resolution",make_function(&query::resolution,
|
|
return_value_policy<copy_const_reference>()))
|
|
.add_property("bbox", make_function(&query::get_bbox,
|
|
return_value_policy<copy_const_reference>()) )
|
|
.add_property("property_names", make_function(&query::property_names,
|
|
return_value_policy<copy_const_reference>()) )
|
|
.def("add_property_name", &query::add_property_name);
|
|
}
|