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#include "base/geo_object_id.hpp"
#include "base/assert.hpp"
#include <iostream>
#include <sstream>
namespace
{
// todo(@m) Uncomment when the transition from osm::Id to base::GeoObjectId is complete
// and add assertions about the highest bit.
// The old scheme used the highest bit and the new one does not.
// uint64_t const kTypeMask = 0x7F00000000000000;
uint64_t const kTypeMask = 0xFF00000000000000;
uint64_t const kReservedMask = 0x00FF000000000000;
uint64_t const kSerialMask = 0x0000FFFFFFFFFFFF;
} // namespace
namespace base
{
GeoObjectId::GeoObjectId(uint64_t encodedId) : m_encodedId(encodedId) {}
GeoObjectId::GeoObjectId(GeoObjectId::Type type, uint64_t id)
: m_encodedId((static_cast<uint64_t>(type) << 56) | id) {}
uint64_t GeoObjectId::GetSerialId() const
{
CHECK_NOT_EQUAL(m_encodedId & kTypeMask, 0, ());
CHECK_EQUAL(m_encodedId & kReservedMask, 0, ());
return m_encodedId & kSerialMask;
}
uint64_t GeoObjectId::GetEncodedId() const { return m_encodedId; }
GeoObjectId::Type GeoObjectId::GetType() const
{
CHECK_EQUAL(m_encodedId & kReservedMask, 0, ());
uint64_t const typeBits = (m_encodedId & kTypeMask) >> 56;
switch (typeBits)
{
case 0x00: return GeoObjectId::Type::Invalid;
case 0x01: return GeoObjectId::Type::OsmNode;
case 0x02: return GeoObjectId::Type::OsmWay;
case 0x03: return GeoObjectId::Type::OsmRelation;
case 0x04: return GeoObjectId::Type::BookingComNode;
case 0x05: return GeoObjectId::Type::OsmSurrogate;
case 0x06: return GeoObjectId::Type::Fias;
case 0x40: return GeoObjectId::Type::ObsoleteOsmNode;
case 0x80: return GeoObjectId::Type::ObsoleteOsmWay;
case 0xC0: return GeoObjectId::Type::ObsoleteOsmRelation;
}
UNREACHABLE();
}
GeoObjectId MakeOsmNode(uint64_t id)
{
return GeoObjectId(GeoObjectId::Type::ObsoleteOsmNode, id);
}
GeoObjectId MakeOsmWay(uint64_t id)
{
return GeoObjectId(GeoObjectId::Type::ObsoleteOsmWay, id);
}
GeoObjectId MakeOsmRelation(uint64_t id)
{
return GeoObjectId(GeoObjectId::Type::ObsoleteOsmRelation, id);
}
std::ostream & operator<<(std::ostream & os, GeoObjectId const & geoObjectId)
{
os << geoObjectId.GetEncodedId();
return os;
}
std::string DebugPrint(GeoObjectId::Type const & t)
{
switch (t)
{
case GeoObjectId::Type::Invalid: return "Invalid";
case GeoObjectId::Type::OsmNode: return "Osm Node";
case GeoObjectId::Type::OsmWay: return "Osm Way";
case GeoObjectId::Type::OsmRelation: return "Osm Relation";
case GeoObjectId::Type::BookingComNode: return "Booking.com";
case GeoObjectId::Type::OsmSurrogate: return "Osm Surrogate";
case GeoObjectId::Type::Fias: return "FIAS";
case GeoObjectId::Type::ObsoleteOsmNode: return "Osm Node";
case GeoObjectId::Type::ObsoleteOsmWay: return "Osm Way";
case GeoObjectId::Type::ObsoleteOsmRelation: return "Osm Relation";
}
UNREACHABLE();
}
std::string DebugPrint(GeoObjectId const & id)
{
std::ostringstream oss;
// GetSerialId() does not work for invalid ids but we may still want to print them.
oss << DebugPrint(id.GetType()) << " " << (id.GetEncodedId() & kSerialMask);
return oss.str();
}
} // namespace base
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