tilemaker/src/relation_roles.cpp at master · cyclemap/tilemaker · GitHub

History

57 lines (50 loc) · 2.46 KB

Raw

#include "relation_roles.h"

RelationRoles::RelationRoles() {

// Computed in early 2024 from popular roles: https://gist.github.com/systemed/29ea4c8d797a20dcdffee8ba907d62ea

// This is just an optimization to avoid taking a lock in the common case.

// The list should be refreshed if the set of popular roles dramatically changes,

// but tilemaker will still be correct, just slower.

popularRoleStrings = {

"",

"1700","1800","1900","2700","2800","2900","3000","3100","3200","above","accessfrom",

"accessto","accessvia","across","address","admin_centre","alternative","associated",

"attached_to","backward","basket","both","branch_circuit","building","buildingpart",

"builidingpart","camera","claimed","connection","contains","crossing","destination",

"device","de_facto","east","edge","empty role","end","endpoint","entrance","entry",

"ex-camera","exit","extent","facility","force","forward","from","generator","give_way",

"graph","guidepost","hidden","highway","Hole","hole","house","inner","intersection",

"in_tunnel","junction","label","lable","landuse","lateral","left","line","location_hint",

"lower","main","main_stream","marker","member","memorial","mirror","negative",

"negative:entry","negative:exit","negative:parking","object","on_bridge","outer",

"outline","part","pedestrian","pin","pit_lane","platform","positive","positive:entry",

"positive:exit","positive:parking","priority","ridge","right","road_marking","road_sign",

"room","section","sector","shell","side_stream","sign","signal","start","stop","street",

"sub-relation","subarea","subbasin","substation","switch","target","tee","through","to",

"tomb","track","tracksection","traffic_sign","tributary","trunk_circuit","under","upper",

"via","visible","walk","ways","west"

};

for (const auto& s : popularRoleStrings) {

popularRoles[s] = popularRoles.size();

}

std::string RelationRoles::getRole(uint16_t role) const {

if (role < popularRoleStrings.size())

return popularRoleStrings[role];

return rareRoleStrings[role - popularRoleStrings.size()];

}

uint16_t RelationRoles::getOrAddRole(const std::string& role) {

{

const auto& pos = popularRoles.find(role);

if (pos != popularRoles.end())

return pos->second;

}

std::lock_guard<std::mutex> lock(mutex);

const auto& pos = rareRoles.find(role);

if (pos != rareRoles.end())

return pos->second;

uint16_t rv = popularRoleStrings.size() + rareRoleStrings.size();

rareRoles[role] = rv;

rareRoleStrings.push_back(role);

return rv;

}

tilemaker/src/relation_roles.cpp at master · cyclemap/tilemaker · GitHub

Uh oh!

Expand file tree

Breadcrumbs

relation_roles.cpp

Latest commit

History

Breadcrumbs

relation_roles.cpp

File metadata and controls