From 88e05f9a07f2761da3c331628933d84067711498 Mon Sep 17 00:00:00 2001
From: Konstantin Pastbin <konstantin.pastbin@gmail.com>
Date: Thu, 28 Dec 2023 09:21:53 +0200
Subject: [PATCH] [generator] Use piste:name and piste:ref if there is no other
 name/ref

Signed-off-by: Konstantin Pastbin <konstantin.pastbin@gmail.com>
---
 generator/osm2type.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/generator/osm2type.cpp b/generator/osm2type.cpp
index 25a843ecf3..cee5142db1 100644
--- a/generator/osm2type.cpp
+++ b/generator/osm2type.cpp
@@ -1248,7 +1248,7 @@ void GetNameAndType(OsmElement * p, FeatureBuilderParams & params,
       }},
       {"ref", "*", [&params](string & k, string & v)
       {
-        // Get reference (we process road numbers only).
+        // Get reference; its used for selected types only, see FeatureBuilder::PreSerialize().
         params.ref = std::move(v);
       }},
       {"layer", "*", [&params](string & k, string & v)
@@ -1334,6 +1334,20 @@ void GetNameAndType(OsmElement * p, FeatureBuilderParams & params,
   params.SetPostcode(std::move(addrPostcode));
   params.SetHouseNumberAndHouseName(std::move(houseNumber), std::move(houseName));
 
+  // Fetch piste:name and piste:ref if there are no other name/ref values.
+  TagProcessor(p).ApplyRules<void(string &, string &)>(
+  {
+      {"piste:ref", "*", [&params](string & k, string & v)
+      {
+        if (params.ref.empty())
+          params.ref = std::move(v);
+      }},
+      {"piste:name", "*", [&params](string & k, string & v)
+      {
+        params.SetDefaultNameIfEmpty(std::move(v));
+      }},
+  });
+
   // Stage4: Match tags to classificator feature types via mapcss-mapping.csv.
   MatchTypes(p, params, filterType);