private void ReadEdge(Dictionary <string, TVertex> vertices)
{
Contract.Requires(vertices != null);
Contract.Assert(
this.Reader.NodeType == XmlNodeType.Element &&
this.Reader.Name == "edge" &&
this.Reader.NamespaceURI == this.graphMLNamespace);
// get subtree
using (var subReader = this.Reader.ReadSubtree())
{
// read id
string id = "" + edge_id++; // ReadAttributeValue(this.Reader, "id");
string sourceid = ReadAttributeValue(this.Reader, "source");
TVertex source;
if (!vertices.TryGetValue(sourceid, out source))
{
throw new ArgumentException("Could not find vertex " + sourceid);
}
string targetid = ReadAttributeValue(this.Reader, "target");
TVertex target;
if (!vertices.TryGetValue(targetid, out target))
{
throw new ArgumentException("Could not find vertex " + targetid);
}
var edge = this.edgeFactory(source, target, id);
ReadDelegateCompiler.SetEdgeDefault(edge);
// read data
while (subReader.Read())
{
if (reader.NodeType == XmlNodeType.Element &&
reader.Name == "data" &&
reader.NamespaceURI == this.graphMLNamespace)
{
ReadDelegateCompiler.EdgeAttributesReader(subReader, this.graphMLNamespace, edge);
}
}
this.VisitedGraph.AddEdge(edge);
}
}
private void ReadEdge([NotNull] IDictionary <string, TVertex> vertices)
{
Debug.Assert(vertices != null);
Debug.Assert(
_reader.NodeType == XmlNodeType.Element &&
_reader.Name == EdgeTag &&
_reader.NamespaceURI == _graphMLNamespace);
// Get subtree
using (XmlReader subReader = _reader.ReadSubtree())
{
// Read id
string id = ReadAttributeValue(_reader, IdAttribute);
string sourceId = ReadAttributeValue(_reader, SourceAttribute);
if (!vertices.TryGetValue(sourceId, out TVertex source))
{
throw new ArgumentException($"Could not find vertex {sourceId}.");
}
string targetId = ReadAttributeValue(_reader, TargetAttribute);
if (!vertices.TryGetValue(targetId, out TVertex target))
{
throw new ArgumentException($"Could not find vertex {targetId}.");
}
TEdge edge = _edgeFactory(source, target, id);
ReadDelegateCompiler.SetEdgeDefault(edge);
// Read data
while (subReader.Read())
{
if (_reader.NodeType == XmlNodeType.Element &&
_reader.Name == DataTag &&
_reader.NamespaceURI == _graphMLNamespace)
{
ReadDelegateCompiler.EdgeAttributesReader(subReader, _graphMLNamespace, edge);
}
}
_graph.AddEdge(edge);
}
}