public object Evaluate(Token contextToken, List <ExpressionArgument> args, ExecutionState state)
{
foreach (ExpressionArgument arg in args)
{
string s = args[0].Expression.Evaluate(state, arg.Token) as string;
if (FormValues.IsError(s))
{
return(FormValues.Get(s).Message);
}
}
return("");
}
public object Evaluate(Token contextToken, List <ExpressionArgument> args, ExecutionState state)
{
if (args.Count != 2)
{
throw new InstructionExecutionException("CheckedAttribute requires two arguments; the name of the field and the default check state (true/false)", contextToken);
}
string fieldname = args[0].Expression.Evaluate(state, args[0].Token) as string;
if (FormValues.HasValue(fieldname))
{
object s = FormValues.Get(fieldname).Value;
return(BooleanExpression.False.Equals(s) ? "" : " checked");
}
object o = args[1].Expression.Evaluate(state, args[1].Token);
return(BooleanExpression.True.Equals(o) ? " checked" : "");
}
public object Evaluate(Token contextToken, List <ExpressionArgument> args, ExecutionState state)
{
if (args.Count != 2)
{
throw new InstructionExecutionException("The FormField expression must take two arguments. The first is the name of the field, "
+ "the second is the default value to use if no value has been preset for that field name.", contextToken);
}
string fieldname = args[0].Expression.Evaluate(state, args[0].Token) as string;
if (FormValues.HasValue(fieldname))
{
return(FormValues.Get(fieldname));
}
FormValues.FormFieldInfo fld = new FormValues.FormFieldInfo();
fld.IsError = false;
fld.Message = "";
fld.Name = fieldname;
fld.Value = args[1].Expression.Evaluate(state, args[1].Token);
return(fld);
}