/// <summary>The <see cref="TermNode"/> visit implementation</summary>
/// <param name="termNode">The term AST node</param>
/// <returns>The modified AST node if modified otherwise the original node</returns>
public override AstNode VisitTermNode(TermNode termNode)
{
// term
// : unary_operator?
// [ NUMBER S* | PERCENTAGE S* | LENGTH S* | EMS S* | EXS S* | ANGLE S* |
// TIME S* | FREQ S* ]
// | STRING S* | IDENT S* | URI S* | hexcolor | function
// ;
// append for: unary_operator?
// TODO - Shall we remove the '+' operator here?
_printerFormatter.Append(termNode.UnaryOperator);
if (termNode.IsBinary && FunctionNode.IsBinaryOperator(termNode.UnaryOperator))
{
_printerFormatter.Append(" ");
}
// append for: [ NUMBER S* | PERCENTAGE S* | LENGTH S* | EMS S* | EXS S* | ANGLE S* | TIME S* | FREQ S* ]
if (!string.IsNullOrWhiteSpace(termNode.NumberBasedValue))
{
_printerFormatter.Append(termNode.NumberBasedValue);
}
else if (!string.IsNullOrWhiteSpace(termNode.StringBasedValue))
{
// append for: | STRING S* | IDENT S* | URI S*
_printerFormatter.Append(termNode.StringBasedValue);
}
else if (!string.IsNullOrWhiteSpace(termNode.ReplacementTokenBasedValue))
{
// TODO: REPLACECSSTOKENONPRINT
_printerFormatter.Append(termNode.ReplacementTokenBasedValue);
}
else if (!string.IsNullOrWhiteSpace(termNode.Hexcolor))
{
// append for: hexcolor
_printerFormatter.Append(termNode.Hexcolor);
}
else if (termNode.FunctionNode != null)
{
// append for: function
// Invoke the Function visitor
termNode.FunctionNode.Accept(this);
}
foreach (var comment in termNode.ImportantComments)
{
comment.Accept(this);
}
return(termNode);
}