public void OSMRelationConstructorInitializesAllProperties()
{
int id = 1273;
OSMRelation target = new OSMRelation(id);
Assert.Equal(id, target.ID);
Assert.NotNull(target.Members);
}
public void OSMDatabaseNodesAcceptsAndReturnsRelations()
{
OSMDB target = new OSMDB();
OSMRelation relation = new OSMRelation(1454);
target.Relations.Add(relation);
Assert.Same(relation, target.Relations[relation.ID]);
}
public void OSMXmlDataWriteRelationCanWriteRelationWithTags()
{
MemoryStream ms = new MemoryStream();
using (OSMXmlDataWriter target = new OSMXmlDataWriter(ms)) {
OSMRelation relation = new OSMRelation(1232);
relation.Members.Add(new OSMRelationMember(OSMRelationMemberType.node, 12, "test"));
relation.Tags.Add(new OSMTag("name", "test"));
target.WriteRelation(relation);
}
ms.Seek(0, 0);
XElement osmRoot = XDocument.Load(new StreamReader(ms)).Root;
XElement relationElement = osmRoot.Element("relation");
Assert.NotNull(relationElement);
Assert.Equal(1232, int.Parse(relationElement.Attribute("id").Value, System.Globalization.NumberFormatInfo.InvariantInfo));
Assert.Equal("name", relationElement.Element("tag").Attribute("k").Value);
}
/// <summary>
/// Saves the read OSMRelation to the internal storage
/// </summary>
/// <param name="node">The OSMRelation read</param>
public void ProcessRelation(OSMRelation relation)
{
_readRelations.Add(relation);
}
private void ReadRelation()
{
string attId = _xmlReader.GetAttribute("id");
if (attId == null)
throw new XmlException("Attribute 'id' is missing.");
int relationId = int.Parse(attId, CultureInfo.InvariantCulture);
OSMRelation relation = new OSMRelation(relationId);
if (false == _xmlReader.IsEmptyElement) {
_xmlReader.Read();
while (_xmlReader.NodeType != XmlNodeType.EndElement) {
switch (_xmlReader.NodeType) {
case XmlNodeType.Element:
switch (_xmlReader.Name) {
case "member":
relation.Members.Add(ReadRelationMember());
continue;
case "tag":
relation.Tags.Add(ReadTag());
continue;
default:
_xmlReader.Skip();
continue;
}
default:
_xmlReader.Skip();
break;
}
}
}
OnRelationRead(relation);
_xmlReader.Skip();
}
/// <summary>
/// Raises the RelationRead event
/// </summary>
/// <param name="node">The OSMRelation read from the database</param>
protected void OnRelationRead(OSMRelation relation)
{
OSMRelationReadHandler temp = RelationRead;
if (temp != null) {
temp(relation);
}
}
/// <summary>
/// Writes the specific OSMRelation to the output
/// </summary>
/// <param name="relation">The OSMRelation to be written.</param>
public void WriteRelation(OSMRelation relation)
{
_xmlWriter.WriteStartElement("relation");
WriteOSMObjectAttributes(relation);
foreach (var member in relation.Members) {
_xmlWriter.WriteStartElement("member");
_xmlWriter.WriteAttributeString("type", member.Type.ToString());
_xmlWriter.WriteAttributeString("ref", member.Reference.ToString(System.Globalization.NumberFormatInfo.InvariantInfo));
_xmlWriter.WriteAttributeString("role", member.Role);
_xmlWriter.WriteEndElement();
}
WriteOSMObjectTags(relation);
_xmlWriter.WriteEndElement();
}
