/// <summary>
/// Reads the ways from the file.
/// </summary>
/// <returns>The ways.</returns>
public IEnumerable <MapShape> ReadWays()
{
do
{
switch (reader.Name)
{
case "node":
var node = MapDefinition.ParseNode(reader);
this.nodes.Add(node.Index, node);
break;
case "way":
var nextWay = ParseMapWay();
this.ways.Add(nextWay.Id, nextWay);
yield return(MapShape.Create(nextWay, nextWay.Tags));
break;
case "relation":
{
foreach (var relation in this.TryParseRelation())
{
yield return(relation);
}
}
break;
}
} while (reader.Read());
yield break;
}
/// <summary>
/// Parse the first set of nodes.
/// </summary>
/// <param name="reader">The xml reader.</param>
private void ParseFirstSetOfNodes()
{
while (this.reader.Read() && string.Equals(this.reader.Name, "node", System.StringComparison.OrdinalIgnoreCase))
{
var node = MapDefinition.ParseNode(reader);
this.nodes.Add(node.Index, node);
}
}