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#include "search/v2/house_to_street_table.hpp"
#include "indexer/index.hpp"
#include "platform/mwm_traits.hpp"
#include "coding/fixed_bits_ddvector.hpp"
#include "coding/reader.hpp"
#include "base/assert.hpp"
#include "defines.hpp"
namespace search
{
namespace v2
{
namespace
{
class Fixed3BitsTable : public HouseToStreetTable
{
public:
using TVector = FixedBitsDDVector<3, ModelReaderPtr>;
Fixed3BitsTable(MwmValue & value)
: m_vector(TVector::Create(value.m_cont.GetReader(SEARCH_ADDRESS_FILE_TAG)))
{
ASSERT(m_vector.get(), ("Can't instantiate FixedBitsDDVector."));
}
// HouseToStreetTable overrides:
bool Get(uint32_t houseId, uint32_t & streetIndex) const override
{
return m_vector->Get(houseId, streetIndex);
}
private:
unique_ptr<TVector> m_vector;
};
class DummyTable : public HouseToStreetTable
{
public:
// HouseToStreetTable overrides:
bool Get(uint32_t /* houseId */, uint32_t & /* streetIndex */) const override { return false; }
};
} // namespace
unique_ptr<HouseToStreetTable> HouseToStreetTable::Load(MwmValue & value)
{
version::MwmTraits traits(value.GetMwmVersion().GetFormat());
auto const format = traits.GetHouseToStreetTableFormat();
unique_ptr<HouseToStreetTable> result;
try
{
if (format == version::MwmTraits::HouseToStreetTableFormat::Fixed3BitsDDVector)
result.reset(new Fixed3BitsTable(value));
}
catch (Reader::OpenException const & ex)
{
LOG(LWARNING, (ex.Msg()));
}
if (!result)
result.reset(new DummyTable());
return result;
}
} // namespace v2
} // namespace search
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