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Implements Zero-Copy String Views onto Contiguous Memory, resolves #3265.

Browse Source 
- http://www.boost.org/doc/libs/1_61_0/libs/utility/doc/html/string_ref.html
- http://en.cppreference.com/w/cpp/string/basic_string_view
This commit is contained in:
Daniel J. Hofmann
2016-12-15 18:27:09 +01:00
parent b1f1c26703
commit c277b95f03
13 changed files with 219 additions and 144 deletions
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unit_tests/mocks/mock_datafacade.hpp
+21 -17
View File
@@ -19,6 +19,8 @@ namespace test
class MockDataFacade final : public engine::datafacade::BaseDataFacade
{
using StringView = util::StringView;
private:
EdgeData foo;
@@ -56,13 +58,13 @@ class MockDataFacade final : public engine::datafacade::BaseDataFacade
{
return SPECIAL_EDGEID;
}
util::Coordinate GetCoordinateOfNode(const unsigned /* id */) const override
util::Coordinate GetCoordinateOfNode(const NodeID /* id */) const override
{
return {util::FixedLongitude{0}, util::FixedLatitude{0}};
}
OSMNodeID GetOSMNodeIDOfNode(const unsigned /* id */) const override { return OSMNodeID{0}; }
bool EdgeIsCompressed(const unsigned /* id */) const { return false; }
GeometryID GetGeometryIndexForEdgeID(const unsigned /* id */) const override
OSMNodeID GetOSMNodeIDOfNode(const NodeID /* id */) const override { return OSMNodeID{0}; }
bool EdgeIsCompressed(const EdgeID /* id */) const { return false; }
GeometryID GetGeometryIndexForEdgeID(const EdgeID /* id */) const override
{
return GeometryID{SPECIAL_GEOMETRYID, false};
}
@@ -88,24 +90,23 @@ class MockDataFacade final : public engine::datafacade::BaseDataFacade
result_weights[0] = 1;
return result_weights;
}
std::vector<uint8_t> GetUncompressedForwardDatasources(const EdgeID /*id*/) const override
std::vector<DatasourceID> GetUncompressedForwardDatasources(const EdgeID /*id*/) const override
{
return {};
}
std::vector<uint8_t> GetUncompressedReverseDatasources(const EdgeID /*id*/) const override
std::vector<DatasourceID> GetUncompressedReverseDatasources(const EdgeID /*id*/) const override
{
return {};
}
std::string GetDatasourceName(const uint8_t /*datasource_name_id*/) const override
{
return "";
}
StringView GetDatasourceName(const DatasourceID) const override final { return {}; }
extractor::guidance::TurnInstruction
GetTurnInstructionForEdgeID(const unsigned /* id */) const override
GetTurnInstructionForEdgeID(const EdgeID /* id */) const override
{
return extractor::guidance::TurnInstruction::NO_TURN();
}
extractor::TravelMode GetTravelModeForEdgeID(const unsigned /* id */) const override
extractor::TravelMode GetTravelModeForEdgeID(const EdgeID /* id */) const override
{
return TRAVEL_MODE_INACCESSIBLE;
}
@@ -198,11 +199,14 @@ class MockDataFacade final : public engine::datafacade::BaseDataFacade
unsigned GetCheckSum() const override { return 0; }
bool IsCoreNode(const NodeID /* id */) const override { return false; }
unsigned GetNameIndexFromEdgeID(const unsigned /* id */) const override { return 0; }
std::string GetNameForID(const unsigned /* name_id */) const override { return ""; }
std::string GetRefForID(const unsigned /* name_id */) const override { return ""; }
std::string GetPronunciationForID(const unsigned /* name_id */) const override { return ""; }
std::string GetDestinationsForID(const unsigned /* name_id */) const override { return ""; }
NameID GetNameIndexFromEdgeID(const EdgeID /* id */) const override { return 0; }
StringView GetNameForID(const NameID) const override final { return {}; }
StringView GetRefForID(const NameID) const override final { return {}; }
StringView GetPronunciationForID(const NameID) const override final { return {}; }
StringView GetDestinationsForID(const NameID) const override final { return {}; }
std::size_t GetCoreSize() const override { return 0; }
std::string GetTimestamp() const override { return ""; }
bool GetContinueStraightDefault() const override { return true; }