Now working with tags

AddTag(ulong, KeyValuePair) is now only Wrapper of AddTag(ulong, Tag)
AddTag now checks if tags already exist

OSMDatastructure/Tag.cs

@@ -32,7 +32,7 @@ public class Tag
         return new Tag(type, value);
     }
     
-    public static Tag ConvertToTag(string key, string value)
+    public static Tag? ConvertToTag(string key, string value)
     {
         switch (key)
         {
@@ -73,12 +73,18 @@ public class Tag
 
                 break;
         }
-        return new Tag(Tag.TagType.EMPTY, false);
+
+        return null;
     }
-    
+
+    public override string ToString()
+    {
+        return $"TAG {key.ToString()} {value.ToString()}";
+    }
+
     public enum TagType : byte
     {
-        highway, oneway, footway, sidewalk, cycleway, busway, forward, maxspeed, name, surface, lanes, access, tracktype, id, EMPTY
+        highway, oneway, footway, sidewalk, cycleway, busway, forward, maxspeed, name, surface, lanes, access, tracktype, id
     }
 
     public static readonly Dictionary<WayType, byte> defaultSpeedCar = new() {

OSMDatastructure/TagManager.cs

@@ -5,48 +5,48 @@ namespace OSMDatastructure.Graph;
 [Serializable]
 public class TagManager
 {
-    public readonly Dictionary<ulong, HashSet<Tag>> wayTags = new();
+    public readonly Dictionary<ulong, HashSet<Tag>> wayTagSets = new();
 
     public bool ContainsKey(ulong wayId, Tag.TagType key)
     {
-        return wayTags.ContainsKey(wayId) && wayTags[wayId].Any(tag => tag.key == key);
+        return wayTagSets.ContainsKey(wayId) && wayTagSets[wayId].Any(tag => tag.key == key);
     }
 
     public object? GetTag(ulong wayId, Tag.TagType key)
     {
-        return ContainsKey(wayId, key) ? wayTags[wayId].First(tag => tag.key == key) : null;
+        return ContainsKey(wayId, key) ? wayTagSets[wayId].First(tag => tag.key == key) : null;
     }
     
     public void AddTag(ulong wayId, string key, string value)
     {
-        Tag tag = Tag.ConvertToTag(key, value);
-        AddTag(wayId, tag);
+        Tag? tag = Tag.ConvertToTag(key, value);
+        if(tag is not null)
+            AddTag(wayId, tag);
     }
 
     public void AddTag(ulong wayId, Tag tag)
     {
-        if (tag.key != Tag.TagType.EMPTY)
+        if(!wayTagSets.ContainsKey(wayId))
+            wayTagSets.Add(wayId, new HashSet<Tag>());
+        HashSet<Tag> wayTags = wayTagSets[wayId];
+        if (!wayTags.Any(wayTag => wayTag.key == tag.key))
         {
-            if(!wayTags.ContainsKey(wayId))
-                wayTags.Add(wayId, new HashSet<Tag>());
-            wayTags[wayId].Add(tag);
+            wayTags.Add(tag);
         }
     }
 
-    public void AddTag(ulong wayId, KeyValuePair<Tag.TagType, dynamic> keyValuePair)
+    public void AddTag(ulong wayId, KeyValuePair<Tag.TagType, dynamic> tag)
     {
-        if(!wayTags.ContainsKey(wayId))
-            wayTags.Add(wayId, new HashSet<Tag>());
-        wayTags[wayId].Add(new Tag(keyValuePair.Key, keyValuePair.Value));
+        AddTag(wayId, new Tag(tag.Key, tag.Value));
     }
 
     public HashSet<Tag>? GetTagsForWayId(ulong wayId)
     {
-        return wayTags.TryGetValue(wayId, out HashSet<Tag>? value) ? value : null;
+        return wayTagSets.TryGetValue(wayId, out HashSet<Tag>? value) ? value : null;
     }
 
     public bool ContainsWay(ulong wayId)
     {
-        return wayTags.ContainsKey(wayId);
+        return wayTagSets.ContainsKey(wayId);
     }
 }

Server/RegionConverter.cs

@@ -120,8 +120,9 @@ public class RegionConverter
                 currentTags.TryAdd(Tag.TagType.id, Convert.ToUInt64(wayReader.GetAttribute("id")!));
                 if (wayReader.Name == "tag")
                 {
-                    Tag wayTag = Tag.ConvertToTag(wayReader.GetAttribute("k")!, wayReader.GetAttribute("v")!);
-                    currentTags.TryAdd(wayTag.key, wayTag.value);
+                    Tag? wayTag = Tag.ConvertToTag(wayReader.GetAttribute("k")!, wayReader.GetAttribute("v")!);
+                    if(wayTag is not null)
+                        currentTags.TryAdd(wayTag.key, wayTag.value);
                 }
                 else if (wayReader.Name == "nd")
                 {
@@ -193,8 +194,13 @@ public class RegionConverter
             string tagsRegionPath = Path.Combine(outputPath, regionHash.ToString(), tagsFileName);
             regionTagsFileStreams.Add(regionHash, new FileStream(tagsRegionPath, FileMode.OpenOrCreate));
         }
+
+        ulong id = currentTags[Tag.TagType.id];
+        TagManager tm = new TagManager();
+        foreach(KeyValuePair<Tag.TagType, dynamic> kv in currentTags)
+            tm.AddTag(id, kv);
 #pragma warning disable SYSLIB0011
-        bFormatter.Serialize(regionTagsFileStreams[regionHash], currentTags);
+        bFormatter.Serialize(regionTagsFileStreams[regionHash], tm);
 #pragma warning restore SYSLIB0011
     }
 }

Server/RegionLoader.cs

@@ -25,6 +25,18 @@ public class RegionLoader
         Region r = GetRegion(regionHash);
         return r.ways;
     }
+    
+    public TagManager GetTags(ulong regionHash)
+    {
+        Region r = GetRegion(regionHash);
+        return r.tagManager;
+    }
+
+    public HashSet<Tag>? GetTagsForWay(ulong regionHash, ulong wayId)
+    {
+        Region r = GetRegion(regionHash);
+        return r.tagManager.GetTagsForWayId(wayId);
+    }
 
     public Region GetRegion(ulong regionHash)
     {
@@ -60,6 +72,17 @@ public class RegionLoader
                 newRegion.nodes.Add(deserializedNode);
             }
         }
+        
+        using (FileStream tagsFileStream = new FileStream(Path.Join(path, regionHash.ToString(), RegionConverter.tagsFileName), FileMode.Open))
+        {
+            while (tagsFileStream.Position < tagsFileStream.Length)
+            {
+                TagManager tm = (TagManager)bFormatter.Deserialize(tagsFileStream);
+                ulong id = (ulong)tm.wayTagSets.First()!.Value.First(tag => tag.key == Tag.TagType.id)!.value;
+                foreach(Tag tag in tm.wayTagSets.First()!.Value)
+                    newRegion.tagManager.AddTag(id, tag);
+            }
+        }
 #pragma warning restore SYSLIB0011
         
         regionIdsDict.Add(regionHash, newRegion);

Server/Server.cs

@@ -17,7 +17,10 @@ public class Server
         Console.WriteLine("Loaded");
         RegionLoader rl = new RegionLoader("D:/map");
         Region r = rl.GetRegion(13870001898000);
-        
+        Console.WriteLine(r.nodes.First());
+        Console.WriteLine(r.ways.First());
+        Console.WriteLine(rl.GetTagsForWay(13870001898000, 5897420)!.Last());
+        Console.WriteLine("Region loaded");
 
         /*
         Coordinates start = new Coordinates(48.243351f, 11.640417f);