public override object VisitBond([NotNull] smilesParser.BondContext context)
{
if (context.GetText() == "-")
{
return(BondType.Single);
}
else if (context.GetText() == "=")
{
return(BondType.Double);
}
else if (context.GetText() == "#")
{
return(BondType.Triple);
}
else if (context.GetText() == "$")
{
return(BondType.Any);
}
else if (context.GetText() == "\\")
{
if (string.IsNullOrEmpty(cisTrans))
{
cisTrans = context.GetText();
}
else
{
if (context.GetText() == cisTrans)
{
if (((doubleBonds.Count - 1) % 2) == 0)
{
foreach (Bond b in doubleBonds)
{
b.Stereo = BondStereo.trans;
}
}
}
else
{
if (((doubleBonds.Count - 1) % 2) == 0)
{
foreach (Bond b in doubleBonds)
{
b.Stereo = BondStereo.cis;
}
}
}
cisTrans = string.Empty;
doubleBonds.Clear();
}
}
else if (context.GetText() == "/")
{
if (string.IsNullOrEmpty(cisTrans))
{
cisTrans = context.GetText();
}
else
{
if (context.GetText() == cisTrans)
{
if (((doubleBonds.Count - 1) % 2) == 0)
{
foreach (Bond b in doubleBonds)
{
b.Stereo = BondStereo.trans;
}
}
}
else
{
if (((doubleBonds.Count - 1) % 2) == 0)
{
foreach (Bond b in doubleBonds)
{
b.Stereo = BondStereo.cis;
}
}
}
cisTrans = string.Empty;
doubleBonds.Clear();
}
}
return(BondType.Single);
}
/// <summary>
/// Visit a parse tree produced by <see cref="smilesParser.bond"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitBond([NotNull] smilesParser.BondContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="smilesParser.bond"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitBond([NotNull] smilesParser.BondContext context)
{
}
