49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
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#ifndef OSRM_EXTRACT_DATASOURCES_HPP
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#define OSRM_EXTRACT_DATASOURCES_HPP
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#include <cstdint>
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#include <util/string_view.hpp>
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#include <util/typedefs.hpp>
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namespace osrm
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{
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namespace extractor
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{
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class Datasources
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{
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static constexpr const std::uint8_t MAX_NUM_SOURES = 255;
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static constexpr const std::uint8_t MAX_LENGTH_NAME = 255;
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public:
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Datasources()
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{
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std::fill(lengths.begin(), lengths.end(), 0);
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std::fill(sources.begin(), sources.end(), '\0');
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}
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util::StringView GetSourceName(DatasourceID id) const
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{
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auto begin = sources.data() + (MAX_LENGTH_NAME * id);
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return util::StringView{begin, lengths[id]};
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}
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void SetSourceName(DatasourceID id, const std::string &name)
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{
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BOOST_ASSERT(name.size() < MAX_LENGTH_NAME);
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lengths[id] = std::min<std::uint32_t>(name.size(), MAX_LENGTH_NAME);
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auto out = sources.data() + (MAX_LENGTH_NAME * id);
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std::copy(name.begin(), name.begin() + lengths[id], out);
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}
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private:
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std::array<std::uint32_t, MAX_NUM_SOURES> lengths;
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std::array<char, MAX_LENGTH_NAME * MAX_NUM_SOURES> sources;
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};
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}
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}
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#endif
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