public object Visit(ASTExplicitAtom node, object data)
{
IQueryAtom atom = null;
var symbol = node.Symbol;
switch (symbol)
{
case "*":
atom = new AnyAtom(builder);
break;
case "A":
atom = new AliphaticAtom(builder);
break;
case "a":
atom = new AromaticAtom(builder);
break;
case "o":
case "n":
case "c":
case "s":
case "p":
case "as":
case "se":
var atomSymbol = symbol.Substring(0, 1).ToUpperInvariant() + symbol.Substring(1);
atom = new AromaticSymbolAtom(atomSymbol, builder);
break;
case "H":
atom = new HydrogenAtom(builder)
{
Symbol = symbol.ToUpperInvariant(),
MassNumber = 1
};
break;
case "D":
atom = new HydrogenAtom(builder)
{
Symbol = symbol.ToUpperInvariant(),
MassNumber = 2
};
break;
case "T":
atom = new HydrogenAtom(builder)
{
Symbol = symbol.ToUpperInvariant(),
MassNumber = 3
};
break;
default:
atom = new AliphaticSymbolAtom(symbol, builder);
break;
}
return(atom);
}
public object Visit(ASTExplicitAtom node, object data)
{
System.Console.Out.WriteLine(IndentString() + node + " " + node.Symbol);
++indent;
data = node.ChildrenAccept(this, data);
--indent;
return(data);
}
public object Visit(ASTExplicitAtom node, object data)
{
data = data + node.Symbol; // TODO: ring handling!
return(data);
}
