public override object Visit(TemplateAstNode node)
{
var stringbuilder = new StringBuilder();
// Concatenate the results of the child nodes
foreach (var childNode in node.Children)
{
object fragment = null;
if (CurrentErrorMode == ErrorMode.ThrowExceptions)
{
fragment = childNode.Accept(this);
}
else
{
try
{
fragment = childNode.Accept(this);
}
catch (Exception e)
{
if (CurrentErrorMode == ErrorMode.SubstituteExceptions)
{
fragment = e.Message;
}
}
}
stringbuilder.Append(fragment);
}
return(stringbuilder.ToString());
}
/// <summary>
/// template : (program | STRING_CONST)*
/// </summary>
private TemplateAstNode ParseTemplate()
{
var templateNode = new TemplateAstNode(CurrentToken);
while (CurrentToken.Type != TokenType.EOF)
{
// When we encounter a '{' token that signifies the start of a program,
// hand off control for the current node to the program parser
if (CurrentToken.Type == TokenType.LBRACE)
{
templateNode.AddNode(ParseProgram());
continue;
}
templateNode.AddNode(new TerminalAstNode <string>(CurrentToken, CurrentToken.Value));
Next();
}
return(templateNode);
}
public virtual object Visit(TemplateAstNode node)
{
return(null);
}
