52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
#ifndef OSRM_UTIL_NAME_TABLE_HPP
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#define OSRM_UTIL_NAME_TABLE_HPP
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#include "util/indexed_data.hpp"
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#include "util/string_view.hpp"
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#include "util/typedefs.hpp"
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#include <string>
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namespace osrm
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{
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namespace util
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{
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// While this could, theoretically, hold any names in the fitting format,
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// the NameTable allows access to a part of the Datafacade to allow
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// processing based on name indices.
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class NameTable
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{
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public:
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using IndexedData = util::IndexedData<util::VariableGroupBlock<16, util::StringView>>;
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using ResultType = IndexedData::ResultType;
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using ValueType = IndexedData::ValueType;
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NameTable() {}
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// Read filename and store own data in m_buffer
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NameTable(const std::string &filename);
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// Keep pointers only in m_name_table and don't own data in m_buffer
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void reset(ValueType *begin, ValueType *end);
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// This class provides a limited view over all the string data we serialize out.
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// The following functions are a subset of what is available.
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// See the data facades for they provide full access to this serialized string data.
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// (at time of writing this: get{Name,Ref,Pronunciation,Destinations}ForID(name_id);)
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util::StringView GetNameForID(const NameID id) const;
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util::StringView GetDestinationsForID(const NameID id) const;
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util::StringView GetRefForID(const NameID id) const;
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util::StringView GetPronunciationForID(const NameID id) const;
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private:
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using BufferType = std::unique_ptr<ValueType, std::function<void(void *)>>;
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BufferType m_buffer;
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IndexedData m_name_table;
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};
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} // namespace util
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} // namespace osrm
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#endif // OSRM_UTIL_NAME_TABLE_HPP
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