256 lines
7.2 KiB
C++
256 lines
7.2 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) 2015 Artem Pavlenko
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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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// stl
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#include <algorithm>
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#include <future>
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#include <mapnik/load_map.hpp>
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#include "runner.hpp"
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namespace visual_tests
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{
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class renderer_visitor
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{
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public:
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renderer_visitor(std::string const & name, mapnik::Map const & map, double scale_factor)
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: name_(name), map_(map), scale_factor_(scale_factor)
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{
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}
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template <typename T>
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result operator()(T const & renderer) const
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{
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return renderer.test(name_, map_, scale_factor_);
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}
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private:
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std::string const & name_;
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mapnik::Map const & map_;
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double scale_factor_;
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};
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runner::runner(runner::path_type const & styles_dir,
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runner::path_type const & output_dir,
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runner::path_type const & reference_dir,
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bool overwrite,
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std::size_t jobs)
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: styles_dir_(styles_dir),
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output_dir_(output_dir),
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reference_dir_(reference_dir),
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jobs_(jobs),
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renderers_{ renderer<agg_renderer>(output_dir_, reference_dir_, overwrite)
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#if defined(HAVE_CAIRO)
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,renderer<cairo_renderer>(output_dir_, reference_dir_, overwrite)
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#endif
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#if defined(SVG_RENDERER)
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,renderer<svg_renderer>(output_dir_, reference_dir_, overwrite)
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#endif
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#if defined(GRID_RENDERER)
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,renderer<grid_renderer>(output_dir_, reference_dir_, overwrite)
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#endif
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}
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{
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}
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result_list runner::test_all(report_type & report) const
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{
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boost::filesystem::directory_iterator begin(styles_dir_);
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boost::filesystem::directory_iterator end;
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std::vector<runner::path_type> files(begin, end);
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return test_parallel(files, report, jobs_);
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}
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result_list runner::test(std::vector<std::string> const & style_names, report_type & report) const
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{
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std::vector<runner::path_type> files(style_names.size());
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std::transform(style_names.begin(), style_names.end(), std::back_inserter(files),
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[&](runner::path_type const & name)
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{
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return (name.extension() == ".xml") ? name : (styles_dir_ / (name.string() + ".xml"));
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});
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return test_parallel(files, report, jobs_);
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}
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result_list runner::test_parallel(std::vector<runner::path_type> const & files, report_type & report, std::size_t jobs) const
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{
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result_list results;
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if (files.empty())
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{
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return results;
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}
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if (jobs == 0)
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{
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jobs = 1;
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}
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std::size_t chunk_size = files.size() / jobs;
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if (chunk_size == 0)
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{
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chunk_size = files.size();
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jobs = 1;
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}
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std::launch launch(jobs == 1 ? std::launch::deferred : std::launch::async);
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std::vector<std::future<result_list>> futures(jobs);
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for (std::size_t i = 0; i < jobs; i++)
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{
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files_iterator begin(files.begin() + i * chunk_size);
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files_iterator end(files.begin() + (i + 1) * chunk_size);
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// Handle remainder of files.size() / jobs
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if (i == jobs - 1)
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{
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end = files.end();
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}
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futures[i] = std::async(launch, &runner::test_range, this, begin, end, std::ref(report));
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}
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for (auto & f : futures)
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{
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result_list r = f.get();
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std::move(r.begin(), r.end(), std::back_inserter(results));
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}
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return results;
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}
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result_list runner::test_range(files_iterator begin, files_iterator end, std::reference_wrapper<report_type> report) const
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{
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config defaults;
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result_list results;
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for (runner::files_iterator i = begin; i != end; i++)
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{
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runner::path_type const & file = *i;
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if (file.extension() == ".xml")
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{
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try
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{
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result_list r = test_one(file, defaults, report);
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std::move(r.begin(), r.end(), std::back_inserter(results));
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}
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catch (std::exception const& ex)
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{
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result r;
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r.state = STATE_ERROR;
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r.name = file.string();
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r.error_message = ex.what();
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results.emplace_back(r);
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mapnik::util::apply_visitor(report_visitor(r), report.get());
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}
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}
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}
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return results;
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}
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result_list runner::test_one(runner::path_type const& style_path, config cfg, report_type & report) const
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{
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mapnik::Map m(cfg.sizes.front().width, cfg.sizes.front().height);
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result_list results;
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try
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{
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mapnik::load_map(m, style_path.string(), true);
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}
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catch (std::exception const& ex)
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{
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std::string what = ex.what();
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if (what.find("Could not create datasource") != std::string::npos ||
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what.find("Postgis Plugin: could not connect to server") != std::string::npos)
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{
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return results;
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}
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throw;
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}
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mapnik::parameters const & params = m.get_extra_parameters();
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boost::optional<mapnik::value_integer> status = params.get<mapnik::value_integer>("status", cfg.status);
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if (!*status)
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{
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return results;
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}
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boost::optional<std::string> sizes = params.get<std::string>("sizes");
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if (sizes)
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{
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cfg.sizes.clear();
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parse_map_sizes(*sizes, cfg.sizes);
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}
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std::string name(style_path.stem().string());
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for (map_size const & size : cfg.sizes)
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{
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m.resize(size.width, size.height);
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boost::optional<std::string> bbox_string = params.get<std::string>("bbox");
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if (bbox_string)
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{
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mapnik::box2d<double> bbox;
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bbox.from_string(*bbox_string);
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m.zoom_to_box(bbox);
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}
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else
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{
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m.zoom_all();
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}
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for (double const & scale_factor : cfg.scales)
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{
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for(auto const& ren : renderers_)
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{
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result r = mapnik::util::apply_visitor(renderer_visitor(name, m, scale_factor), ren);
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results.emplace_back(r);
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mapnik::util::apply_visitor(report_visitor(r), report);
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}
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}
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}
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return results;
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}
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void runner::parse_map_sizes(std::string const & str, std::vector<map_size> & sizes) const
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{
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boost::spirit::ascii::space_type space;
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std::string::const_iterator iter = str.begin();
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std::string::const_iterator end = str.end();
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if (!boost::spirit::qi::phrase_parse(iter, end, map_sizes_parser_, space, sizes))
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{
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throw std::runtime_error("Failed to parse list of sizes: '" + str + "'");
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}
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}
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}
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