public override void Execute(ParsingContext context)
{
var traceEnabled = context.TracingEnabled;
if (traceEnabled)
{
context.AddTrace("Conditional Parser Action.");
}
for (int i = 0; i < ConditionalEntries.Count; i++)
{
var ce = ConditionalEntries[i];
if (traceEnabled)
{
context.AddTrace(" Checking condition: " + ce.Description);
}
if (ce.Condition(context))
{
if (traceEnabled)
{
context.AddTrace(" Condition is TRUE, executing action: " + ce.Action.ToString());
}
ce.Action.Execute(context);
return;
}
}
//if no conditions matched, execute default action
if (DefaultAction == null)
{
context.AddParserError("Fatal parser error: no conditions matched in conditional parser action, and default action is null." +
" State: {0}", context.CurrentParserState.Name);
context.Parser.RecoverFromError();
return;
}
if (traceEnabled)
{
context.AddTrace(" All conditions failed, executing default action: " + DefaultAction.ToString());
}
DefaultAction.Execute(context);
} //method
public override string ToString()
{
return(Description + "; action: " + Action.ToString());
}
