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Inline initialize functional road classification hash table

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This commit is contained in:
Daniel J. Hofmann 2016-03-03 16:20:47 +01:00 committed by Patrick Niklaus
parent 7970bc4ad6
commit 4d94ec2792
1 changed files with 2 additions and 5 deletions
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7
include/extractor/guidance/classification_data.hpp
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@ -44,7 +44,7 @@ enum class FunctionalRoadClass : std::uint8_t
inline FunctionalRoadClass functionalRoadClassFromTag(std::string const &value) inline FunctionalRoadClass functionalRoadClassFromTag(std::string const &value)
{ {
// FIXME at some point this should be part of the profiles // FIXME at some point this should be part of the profiles
const static auto initializeClassHash = []() const static auto class_hash = []
{ {
std::unordered_map<std::string, FunctionalRoadClass> hash; std::unordered_map<std::string, FunctionalRoadClass> hash;
hash["motorway"] = FunctionalRoadClass::MOTORWAY; hash["motorway"] = FunctionalRoadClass::MOTORWAY;
@ -66,10 +66,7 @@ inline FunctionalRoadClass functionalRoadClassFromTag(std::string const &value)
hash["path"] = FunctionalRoadClass::LOW_PRIORITY_ROAD; hash["path"] = FunctionalRoadClass::LOW_PRIORITY_ROAD;
hash["driveway"] = FunctionalRoadClass::LOW_PRIORITY_ROAD; hash["driveway"] = FunctionalRoadClass::LOW_PRIORITY_ROAD;
return hash; return hash;
}; }();
static const std::unordered_map<std::string, FunctionalRoadClass> class_hash =
initializeClassHash();
if (class_hash.find(value) != class_hash.end()) if (class_hash.find(value) != class_hash.end())
{ {