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62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
#include "search/lazy_centers_table.hpp"
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#include "indexer/mwm_set.hpp"
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#include "platform/mwm_traits.hpp"
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#include "defines.hpp"
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namespace search
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{
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LazyCentersTable::LazyCentersTable(MwmValue const & value)
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: m_value(value), m_state(STATE_NOT_LOADED), m_reader(std::unique_ptr<ModelReader>())
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{
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}
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void LazyCentersTable::EnsureTableLoaded()
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{
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if (m_state != STATE_NOT_LOADED)
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return;
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try
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{
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m_reader = m_value.m_cont.GetReader(CENTERS_FILE_TAG);
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}
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catch (RootException const & ex)
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{
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LOG(LERROR, ("Unable to load", CENTERS_FILE_TAG, ex.Msg()));
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m_state = STATE_FAILED;
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return;
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}
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version::MwmTraits traits(m_value.GetMwmVersion());
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auto const format = traits.GetCentersTableFormat();
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if (format == version::MwmTraits::CentersTableFormat::PlainEliasFanoMap)
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{
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m_table = CentersTable::LoadV0(*m_reader.GetPtr(), m_value.GetHeader().GetDefGeometryCodingParams());
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}
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else if (format == version::MwmTraits::CentersTableFormat::EliasFanoMapWithHeader)
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{
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m_table = CentersTable::LoadV1(*m_reader.GetPtr());
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}
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else
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{
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CHECK(false, ("Unknown centers table format."));
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}
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if (m_table)
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m_state = STATE_LOADED;
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else
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m_state = STATE_FAILED;
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}
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bool LazyCentersTable::Get(uint32_t id, m2::PointD & center)
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{
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EnsureTableLoaded();
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if (m_state != STATE_LOADED)
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return false;
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return m_table->Get(id, center);
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}
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} // namespace search
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