Fixes for oneway-change

OSMDatastructure/Tag.cs

@@ -62,13 +62,11 @@ public class Tag
                     byte speed = Convert.ToByte(value);
                     if (speed != 255)
                         ret.Add(new Tag(TagType.maxspeed, speed));
-                    break;
                 }
                 catch (Exception)
                 {
                     ret.Add(new Tag(TagType.maxspeed, byte.MinValue));
                 }
-
                 break;
             case "oneway":
                 switch (value)
@@ -84,7 +82,8 @@ public class Tag
                         ret.Add(new Tag(TagType.oneway, false));
                         break;
                 }
-                return null;
+
+                break;
             case "name":
                 ret.Add(new Tag(TagType.name, value));
                 break;

OSMDatastructure/TagManager.cs

@@ -26,6 +26,7 @@ public class TagManager
     public void AddTag(ulong wayId, string key, string value)
     {
         HashSet<Tag> pTags = Tag.ConvertToTags(key, value);
+        if(pTags.Count > 0)
             foreach (Tag pTag in pTags)
                 AddTag(wayId, pTag);
     }

Server/RegionConverter.cs

@@ -130,6 +130,7 @@ public class RegionConverter
                 if (wayReader.Name == "tag")
                 {
                     HashSet<Tag> pTags = Tag.ConvertToTags(wayReader.GetAttribute("k")!, wayReader.GetAttribute("v")!);
+                    if(pTags.Count > 0)
                         foreach (Tag pTag in pTags)
                             currentTags.TryAdd(pTag.key, pTag.value);
                 }