OSMServer/OSMDatastructure/Tag.cs

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C#
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using System.Text.Json;
using System.Text.Json.Serialization;
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namespace OSMDatastructure;
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[Serializable]
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public class Tag
{
public TagType key { get; }
public dynamic value { get; }
[JsonConstructor]
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public Tag(TagType key, dynamic value)
{
this.key = key;
if (value is JsonElement)
{
switch (key)
{
case TagType.highway:
this.value = (WayType)value.GetByte();
break;
case TagType.maxspeed:
this.value = value.GetByte();
break;
case TagType.forward:
case TagType.oneway:
this.value = value.GetBoolean();
break;
case TagType.id:
this.value = value.GetUInt64();
break;
default:
this.value = value;
break;
}
}
else
{
this.value = value;
}
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}
public static Tag? ConvertToTag(string key, string value)
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{
switch (key)
{
case "highway":
try
{
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return new Tag(TagType.highway, (WayType)Enum.Parse(typeof(WayType), value, true));
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}
catch (ArgumentException)
{
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return new Tag(TagType.highway, WayType.unclassified);
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}
case "maxspeed":
try
{
byte speed = Convert.ToByte(value);
if (speed == 255)
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return new Tag(TagType.highway, false);
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else
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return new Tag(TagType.maxspeed, speed);
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}
catch (Exception)
{
//Console.WriteLine(e);
//Console.WriteLine("Continuing...");
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return new Tag(TagType.maxspeed, byte.MaxValue);
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}
case "oneway":
switch (value)
{
case "yes":
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return new Tag(TagType.oneway, true);
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case "-1":
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return new Tag(TagType.forward, false);
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case "no":
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return new Tag(TagType.oneway, false);
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}
break;
}
return null;
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}
public override string ToString()
{
return $"TAG {key.ToString()} {value.ToString()}";
}
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public enum TagType : byte
{
highway, oneway, footway, sidewalk, cycleway, busway, forward, maxspeed, name, surface, lanes, access, tracktype, id
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}
public static readonly Dictionary<WayType, byte> defaultSpeedCar = new() {
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{ WayType.NONE, 0 },
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{ WayType.motorway, 100 },
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{ WayType.motorroad, 90 },
{ WayType.trunk, 85 },
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{ WayType.primary, 65 },
{ WayType.secondary, 60 },
{ WayType.tertiary, 50 },
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{ WayType.unclassified, 15 },
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{ WayType.residential, 10 },
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{ WayType.motorway_link, 60 },
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{ WayType.trunk_link, 50 },
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{ WayType.primary_link, 50 },
{ WayType.secondary_link, 50 },
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{ WayType.tertiary_link, 30 },
{ WayType.living_street, 10 },
{ WayType.service, 1 },
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{ WayType.pedestrian, 0 },
{ WayType.track, 15 },
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{ WayType.bus_guideway, 0 },
{ WayType.escape, 0 },
{ WayType.raceway, 0 },
{ WayType.road, 20 },
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{ WayType.busway, 0 },
{ WayType.footway, 0 },
{ WayType.bridleway, 0 },
{ WayType.steps, 0 },
{ WayType.corridor, 0 },
{ WayType.path, 0 },
{ WayType.cycleway, 0 },
{ WayType.construction, 0 }
};
public static readonly Dictionary<WayType, byte> defaultSpeedPedestrian = new() {
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{ WayType.NONE, 0 },
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{ WayType.motorway, 0 },
{ WayType.trunk, 0 },
{ WayType.primary, 0 },
{ WayType.secondary, 0 },
{ WayType.tertiary, 2 },
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{ WayType.unclassified, 1 },
{ WayType.residential, 4 },
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{ WayType.motorway_link, 0 },
{ WayType.trunk_link, 0 },
{ WayType.primary_link, 0 },
{ WayType.secondary_link, 0 },
{ WayType.tertiary_link, 0 },
{ WayType.living_street, 5 },
{ WayType.service, 2 },
{ WayType.pedestrian, 5 },
{ WayType.track, 1 },
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{ WayType.bus_guideway, 0 },
{ WayType.escape, 1 },
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{ WayType.raceway, 0 },
{ WayType.road, 2 },
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{ WayType.busway, 0 },
{ WayType.footway, 4 },
{ WayType.bridleway, 1 },
{ WayType.steps, 2 },
{ WayType.corridor, 3 },
{ WayType.path, 4 },
{ WayType.cycleway, 1 },
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{ WayType.construction, 0 }
};
// ReSharper disable InconsistentNaming
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public enum WayType : byte { NONE, motorway, motorroad, trunk, primary, secondary, tertiary, unclassified, residential, motorway_link, trunk_link, primary_link, secondary_link, tertiary_link, living_street, service, pedestrian, track, bus_guideway, escape, raceway, road, busway, footway, bridleway, steps, corridor, path, cycleway, construction }
// ReSharper restore InconsistentNaming
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public enum SpeedType { pedestrian, car, any }
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}