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85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
#include "storage/country_info_reader_light.hpp"
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#include "storage/country_decl.hpp"
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#include "platform/platform.hpp"
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#include "platform/preferred_languages.hpp"
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#include "coding/file_reader.hpp"
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#include "coding/geometry_coding.hpp"
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#include "coding/read_write_utils.hpp"
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#include "geometry/region2d.hpp"
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#include "base/file_name_utils.hpp"
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#include "base/logging.hpp"
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#include "base/string_utils.hpp"
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#include <chrono>
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#include <utility>
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#include <vector>
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#include "defines.hpp"
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namespace lightweight
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{
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CountryInfoReader::CountryInfoReader()
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{
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try
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{
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m_reader = std::make_unique<FilesContainerR>(GetPlatform().GetReader(PACKED_POLYGONS_FILE));
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ReaderSource<ModelReaderPtr> src(m_reader->GetReader(PACKED_POLYGONS_INFO_TAG));
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rw::Read(src, m_countries);
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}
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catch (FileReader::Exception const & exception)
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{
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LOG(LERROR,
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("Exception while reading file:", PACKED_POLYGONS_FILE, "reason:", exception.what()));
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m_reader.reset();
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m_countries.clear();
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}
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m_nameGetter.SetLocale(languages::GetCurrentTwine());
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}
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void CountryInfoReader::LoadRegionsFromDisk(size_t id, std::vector<m2::RegionD> & regions) const
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{
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regions.clear();
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ReaderSource<ModelReaderPtr> src(m_reader->GetReader(strings::to_string(id)));
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uint32_t const count = ReadVarUint<uint32_t>(src);
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for (size_t i = 0; i < count; ++i)
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{
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std::vector<m2::PointD> points;
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serial::LoadOuterPath(src, serial::GeometryCodingParams(), points);
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regions.emplace_back(std::move(points));
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}
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}
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bool CountryInfoReader::BelongsToRegion(m2::PointD const & pt, size_t id) const
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{
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if (!m_countries[id].m_rect.IsPointInside(pt))
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return false;
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std::vector<m2::RegionD> regions;
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LoadRegionsFromDisk(id, regions);
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for (auto const & region : regions)
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{
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if (region.Contains(pt))
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return true;
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}
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return false;
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}
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CountryInfoReader::Info CountryInfoReader::GetMwmInfo(m2::PointD const & pt) const
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{
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Info info;
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info.m_id = GetRegionCountryId(pt);
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info.m_name = m_nameGetter(info.m_id);
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return info;
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}
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} // namespace lightweight
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