a513d3f97d
+ python: remove redundent 'instance' method (mapnik.DatasourceCache)
+ python: reflect plugin_directories method
+ tests: update python usage
TODO: consider using similar approach in FontEngine etc..
TODO: consider returning reference from singleton::instance() to
safeguard from accidental deleting a 'singleton' pointer
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include <boost/python.hpp>
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#include <mapnik/datasource_cache.hpp>
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namespace {
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using namespace boost::python;
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boost::shared_ptr<mapnik::datasource> create_datasource(const dict& d)
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{
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bool bind=true;
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mapnik::parameters params;
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boost::python::list keys=d.keys();
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for (int i=0; i<len(keys); ++i)
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{
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std::string key = extract<std::string>(keys[i]);
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object obj = d[key];
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if (key == "bind")
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{
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bind = extract<bool>(obj)();
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continue;
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}
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extract<std::string> ex0(obj);
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extract<int> ex1(obj);
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extract<double> ex2(obj);
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if (ex0.check())
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{
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params[key] = ex0();
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}
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else if (ex1.check())
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{
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params[key] = ex1();
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}
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else if (ex2.check())
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{
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params[key] = ex2();
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}
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}
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return mapnik::datasource_cache::instance()->create(params, bind);
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}
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void register_datasources(std::string const& path)
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{
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mapnik::datasource_cache::instance()->register_datasources(path);
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}
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std::vector<std::string> plugin_names()
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{
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return mapnik::datasource_cache::instance()->plugin_names();
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}
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std::string plugin_directories()
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{
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return mapnik::datasource_cache::instance()->plugin_directories();
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}
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}
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void export_datasource_cache()
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{
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using mapnik::datasource_cache;
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class_<datasource_cache,
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boost::noncopyable>("DatasourceCache",no_init)
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.def("create",&create_datasource)
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.staticmethod("create")
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.def("register_datasources",®ister_datasources)
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.staticmethod("register_datasources")
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.def("plugin_names",&plugin_names)
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.staticmethod("plugin_names")
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.def("plugin_directories",&plugin_directories)
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.staticmethod("plugin_directories")
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;
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}
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