private void WriteVertices()
{
foreach (TVertex vertex in _graph.Vertices)
{
_writer.WriteStartElement(NodeTag, GraphMLXmlResolver.GraphMLNamespace);
_writer.WriteAttributeString(IdAttribute, _vertexIdentities(vertex));
WriteDelegateCompiler.VertexAttributesWriter(_writer, vertex);
_writer.WriteEndElement();
}
}
private void WriteEdges()
{
foreach (TEdge edge in _graph.Edges)
{
_writer.WriteStartElement(EdgeTag, GraphMLXmlResolver.GraphMLNamespace);
_writer.WriteAttributeString(IdAttribute, _edgeIdentities(edge));
_writer.WriteAttributeString(SourceAttribute, _vertexIdentities(edge.Source));
_writer.WriteAttributeString(TargetAttribute, _vertexIdentities(edge.Target));
WriteDelegateCompiler.EdgeAttributesWriter(_writer, edge);
_writer.WriteEndElement();
}
}
private void WriteGraphHeader()
{
_writer.WriteStartElement(GraphTag, GraphMLXmlResolver.GraphMLNamespace);
_writer.WriteAttributeString(IdAttribute, "G");
_writer.WriteAttributeString("edgedefault", _graph.IsDirected ? "directed" : "undirected");
_writer.WriteAttributeString("parse.nodes", _graph.VertexCount.ToString());
_writer.WriteAttributeString("parse.edges", _graph.EdgeCount.ToString());
_writer.WriteAttributeString("parse.order", "nodesfirst");
_writer.WriteAttributeString("parse.nodeids", "free");
_writer.WriteAttributeString("parse.edgeids", "free");
WriteDelegateCompiler.GraphAttributesWriter(_writer, _graph);
}
