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