96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2011 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
|
|
*
|
|
*****************************************************************************/
|
|
|
|
// mapnik
|
|
#include <mapnik/metawriter_factory.hpp>
|
|
#include <mapnik/metawriter_json.hpp>
|
|
#include <mapnik/metawriter_inmem.hpp>
|
|
#include <mapnik/xml_node.hpp>
|
|
#include <mapnik/ptree_helpers.hpp>
|
|
#include <mapnik/config_error.hpp>
|
|
|
|
// boost
|
|
#include <boost/make_shared.hpp>
|
|
#include <boost/optional.hpp>
|
|
|
|
using boost::optional;
|
|
using std::string;
|
|
|
|
namespace mapnik
|
|
{
|
|
|
|
metawriter_ptr
|
|
metawriter_create(xml_node const& pt)
|
|
{
|
|
metawriter_ptr writer;
|
|
string type = pt.get_attr<string>("type");
|
|
|
|
optional<string> properties = pt.get_opt_attr<string>("default-output");
|
|
if (type == "json") {
|
|
string file = pt.get_attr<string>("file");
|
|
metawriter_json_ptr json = boost::make_shared<metawriter_json>(properties, parse_path(file));
|
|
optional<boolean> output_empty = pt.get_opt_attr<boolean>("output-empty");
|
|
if (output_empty) {
|
|
json->set_output_empty(*output_empty);
|
|
}
|
|
|
|
optional<boolean> pixel_coordinates = pt.get_opt_attr<boolean>("pixel-coordinates");
|
|
if (pixel_coordinates) {
|
|
json->set_pixel_coordinates(*pixel_coordinates);
|
|
}
|
|
writer = json;
|
|
|
|
} else if (type == "inmem") {
|
|
metawriter_inmem_ptr inmem = boost::make_shared<metawriter_inmem>(properties);
|
|
writer = inmem;
|
|
} else {
|
|
throw config_error(string("Unknown type '") + type + "'", pt);
|
|
}
|
|
|
|
return writer;
|
|
}
|
|
|
|
void
|
|
metawriter_save(const metawriter_ptr &metawriter,
|
|
boost::property_tree::ptree &metawriter_node, bool explicit_defaults)
|
|
{
|
|
|
|
metawriter_json *json = dynamic_cast<metawriter_json *>(metawriter.get());
|
|
if (json) {
|
|
set_attr(metawriter_node, "type", "json");
|
|
std::string const& filename = path_processor_type::to_string(*(json->get_filename()));
|
|
if (!filename.empty() || explicit_defaults) {
|
|
set_attr(metawriter_node, "file", filename);
|
|
}
|
|
}
|
|
|
|
metawriter_inmem *inmem = dynamic_cast<metawriter_inmem *>(metawriter.get());
|
|
if (inmem) {
|
|
set_attr(metawriter_node, "type", "inmem");
|
|
}
|
|
|
|
if (!metawriter->get_default_properties().empty() || explicit_defaults) {
|
|
set_attr(metawriter_node, "default-output", metawriter->get_default_properties().to_string());
|
|
}
|
|
}
|
|
|
|
} // namespace mapnik
|