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#pragma once
#include "coding/map_uint32_to_val.hpp"
#include "coding/reader.hpp"
#include "coding/text_storage.hpp"
#include "coding/write_to_sink.hpp"
#include "coding/writer.hpp"
#include "base/stl_helpers.hpp"
#include <cstdint>
#include <memory>
#include <string>
#include <unordered_map>
namespace indexer
{
// December 2019 - September 2020 mwm compatibility
class Postcodes
{
public:
enum class Version : uint8_t
{
V0 = 0,
Latest = V0
};
struct Header
{
void Read(Reader & reader);
Version m_version = Version::Latest;
// All offsets are relative to the start of the section (offset of header is zero).
uint32_t m_stringsOffset = 0;
uint32_t m_stringsSize = 0;
uint32_t m_postcodesMapOffset = 0;
uint32_t m_postcodesMapSize = 0;
};
static std::unique_ptr<Postcodes> Load(Reader & reader);
// Tries to get |postcode| of the feature with id |featureId|. Returns false if table
// does not have entry for the feature.
WARN_UNUSED_RESULT bool Get(uint32_t featureId, std::string & postcode);
private:
using Map = MapUint32ToValue<uint32_t>;
std::unique_ptr<Reader> m_stringsSubreader;
coding::BlockedTextStorageReader m_strings;
std::unique_ptr<Map> m_map;
std::unique_ptr<Reader> m_mapSubreader;
Version m_version = Version::Latest;
};
} // namespace indexer
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