207 lines
8.6 KiB
C++
207 lines
8.6 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) 2021 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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#ifndef MAPNIK_UNIT_DATSOURCE_UTIL
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#define MAPNIK_UNIT_DATSOURCE_UTIL
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#include "catch.hpp"
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#include <mapnik/datasource.hpp>
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#include <mapnik/datasource_cache.hpp>
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#include <mapnik/geometry.hpp>
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#include <mapnik/geometry/geometry_types.hpp>
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#include <mapnik/geometry/geometry_type.hpp>
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namespace {
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template<typename T>
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std::string vector_to_string(T const& vec)
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{
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std::stringstream s;
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for (auto const& item : vec)
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{
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s << " " << item << "\n";
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}
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return s.str();
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}
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template<>
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std::string vector_to_string(std::vector<mapnik::attribute_descriptor> const& vec)
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{
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std::stringstream s;
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for (auto const& item : vec)
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{
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s << " " << item.get_name() << "\n";
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}
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return s.str();
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}
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#define REQUIRE_FIELD_NAMES(fields, names) \
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INFO("fields:\n" + vector_to_string(fields) + "names:\n" + vector_to_string(names)); \
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REQUIRE(fields.size() == names.size()); \
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auto itr_a = fields.begin(); \
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auto const end_a = fields.end(); \
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auto itr_b = names.begin(); \
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for (; itr_a != end_a; ++itr_a, ++itr_b) \
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{ \
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CHECK(itr_a->get_name() == *itr_b); \
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}
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inline void require_field_names(std::vector<mapnik::attribute_descriptor> const& fields,
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std::initializer_list<std::string> const& names)
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{
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REQUIRE_FIELD_NAMES(fields, names);
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}
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#define REQUIRE_FIELD_TYPES(fields, types) \
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REQUIRE(fields.size() == types.size()); \
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auto itr_a = fields.begin(); \
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auto const end_a = fields.end(); \
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auto itr_b = types.begin(); \
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for (; itr_a != end_a; ++itr_a, ++itr_b) \
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{ \
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CHECK(itr_a->get_type() == *itr_b); \
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}
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inline void require_field_types(std::vector<mapnik::attribute_descriptor> const& fields,
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std::initializer_list<mapnik::eAttributeType> const& types)
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{
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REQUIRE_FIELD_TYPES(fields, types);
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}
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inline mapnik::featureset_ptr all_features(mapnik::datasource_ptr ds)
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{
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auto fields = ds->get_descriptor().get_descriptors();
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mapnik::query query(ds->envelope());
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for (auto const& field : fields)
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{
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query.add_property_name(field.get_name());
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}
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return ds->features(query);
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}
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inline std::size_t count_features(mapnik::featureset_ptr features)
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{
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std::size_t count = 0;
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while (features->next())
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{
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++count;
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}
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return count;
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}
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using attr = std::tuple<std::string, mapnik::value>;
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#define REQUIRE_ATTRIBUTES(feature, ...) \
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do \
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{ \
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auto const& _feat = (feature); /* evaluate feature only once */ \
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REQUIRE(_feat != nullptr); \
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for (auto const& kv : __VA_ARGS__) \
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{ \
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auto& key = std::get<0>(kv); \
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auto& val = std::get<1>(kv); \
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CAPTURE(key); \
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CHECKED_IF(_feat->has_key(key)) \
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{ \
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CHECK(_feat->get(key) == val); \
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CHECK(_feat->get(key).which() == val.which()); \
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} \
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} \
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} while (0)
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namespace detail {
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template<typename T>
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struct feature_count
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{
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template<typename U>
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std::size_t operator()(U const& geom) const
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{
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return mapnik::util::apply_visitor(*this, geom);
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}
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std::size_t operator()(mapnik::geometry::geometry_empty const&) const { return 0; }
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std::size_t operator()(mapnik::geometry::point<T> const&) const { return 1; }
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std::size_t operator()(mapnik::geometry::line_string<T> const&) const { return 1; }
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std::size_t operator()(mapnik::geometry::polygon<T> const&) const { return 1; }
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std::size_t operator()(mapnik::geometry::multi_point<T> const& mp) const { return mp.size(); }
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std::size_t operator()(mapnik::geometry::multi_line_string<T> const& mls) const { return mls.size(); }
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std::size_t operator()(mapnik::geometry::multi_polygon<T> const& mp) const { return mp.size(); }
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std::size_t operator()(mapnik::geometry::geometry_collection<T> const& col) const
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{
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std::size_t sum = 0;
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for (auto const& geom : col)
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{
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sum += operator()(geom);
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}
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return sum;
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}
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};
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} // namespace detail
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template<typename T>
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inline std::size_t feature_count(mapnik::geometry::geometry<T> const& g)
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{
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return detail::feature_count<T>()(g);
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}
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inline void require_geometry(mapnik::feature_ptr feature, std::size_t num_parts, mapnik::geometry::geometry_types type)
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{
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REQUIRE(bool(feature));
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CHECK(mapnik::geometry::geometry_type(feature->get_geometry()) == type);
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CHECK(feature_count(feature->get_geometry()) == num_parts);
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}
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inline int create_disk_index(std::string const& filename, bool silent = true)
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{
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std::string cmd;
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if (std::getenv("DYLD_LIBRARY_PATH") != nullptr)
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{
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cmd += std::string("DYLD_LIBRARY_PATH=") + std::getenv("DYLD_LIBRARY_PATH") + " ";
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}
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cmd += "mapnik-index";
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#ifdef _WIN32
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cmd += ".exe";
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#endif
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cmd += " " + filename;
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if (silent)
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{
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#ifndef _WIN32
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cmd += " 2>/dev/null";
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#else
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cmd += " 2> nul";
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#endif
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}
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return std::system(cmd.c_str());
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}
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} // namespace
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#endif // MAPNIK_UNIT_DATSOURCE_UTIL
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