private static Color ParseColorString(StringReader reader)
{
reader.ConsumeWhiteSpace();
if (reader.Peek() == '#')
{
reader.Next();
byte r = byte.Parse(reader.ReadAlphaNumericString());
reader.ConsumeWhiteSpace();
reader.Next();
reader.ConsumeWhiteSpace();
byte g = byte.Parse(reader.ReadAlphaNumericString());
reader.ConsumeWhiteSpace();
reader.Next();
reader.ConsumeWhiteSpace();
byte b = byte.Parse(reader.ReadAlphaNumericString());
reader.ConsumeWhiteSpace();
reader.Next();
reader.ConsumeWhiteSpace();
return(new Color(r, g, b));
}
else
{
return(ColorParseStuff.FromName(reader.ReadAlphaString().ToLower()));
}
}
private static void ParseLine(StringReader reader)
{
reader.ConsumeWhiteSpace();
if (reader.IsAtEnd)
{
return;
}
// Check for // Comment
if (reader.Peek() == '/')
{
reader.Next();
if (reader.Peek() == '/')
{
return;
}
reader.Seek(0);
}
// Read First Name Part
string firstName = reader.ReadMaybeQuotedString();
GraphNode firstNode = GetNode(firstName);
reader.ConsumeWhiteSpace();
// Check if it is a Edge or Node Command
if (reader.Peek() == '(')
{
reader.Next();
reader.ConsumeWhiteSpace();
Color color = ParseColorString(reader);
firstNode.NodeColor = color;
}
else if (reader.Peek() == '-')
{
reader.Next();
char nodetype = reader.Next();
reader.ConsumeWhiteSpace();
GraphNode secoundNode = GetNode(reader.ReadMaybeQuotedString());
reader.ConsumeWhiteSpace();
string annotation = "";
if (reader.Peek() == '(')
{
reader.Next();
reader.ConsumeWhiteSpace();
annotation = reader.ReadMaybeQuotedString();
}
if (nodetype == '>')
{
firstNode.Connections.Add(new GraphPlotter.NodeConnection(secoundNode.NodeName, annotation));
}
else
{
GraphPlotter.NodeConnection connection = new GraphPlotter.NodeConnection(secoundNode.NodeName, annotation);
connection.CustomEdgeAttr = new EdgeAttr();
connection.CustomEdgeAttr.ArrowHeadAtSource = ArrowStyle.None;
connection.CustomEdgeAttr.ArrowHeadAtTarget = ArrowStyle.None;
connection.CustomEdgeAttr.Label = annotation;
firstNode.Connections.Add(connection);
}
}
}
