Relation.cs

   1 /*
   2  * Author: Paolo Molaro
   3  * Copyright (c) 2008 Paolo Molaro lupus@oddwiz.org
   4  * License: MIT/X11, see the MIT.X11 file.
   5  */
   6 using System;
   7 using System.Xml;
   8 using System.Collections.Specialized;
   9
  10 namespace OpenStreetMap {
  11
  12         public class Relation: OsmObject {
  13                 RelationMember[] members;
  14
  15                 public override string ObjectType {
  16                         get {
  17                                 return "relation";
  18                         }
  19                 }
  20
  21                 public RelationMember[] Members {
  22                         get {
  23                                 if (members == null)
  24                                         return new RelationMember [0];
  25                                 return members;
  26                         }
  27                         set {
  28                                 if (value == null)
  29                                         throw new ArgumentNullException ("value");
  30                                 members = value;
  31                                 Changed = true;
  32                         }
  33                 }
  34
  35                 public override void WriteXml (XmlTextWriter writer)
  36                 {
  37                         writer.WriteStartElement ("relation");
  38                         WriteCommonAttrs (writer);
  39                         if (members != null) {
  40                                 for (int i = 0; i < members.Length; ++i) {
  41                                         writer.WriteStartElement ("member");
  42                                         writer.WriteAttributeString ("type", members [i].Type);
  43                                         writer.WriteAttributeString ("ref", members [i].Ref.ToString ());
  44                                         writer.WriteAttributeString ("role", members [i].Role);
  45                                         writer.WriteEndElement ();
  46                                 }
  47                         }
  48                         WriteTags (writer);
  49                         writer.WriteEndElement ();
  50                 }
  51         }
  52 }
  53