public void Visit(IfThenElseBlockTag ifThenElseBlockTag)
{
_result += ifThenElseBlockTag.ToString();
_result += ifThenElseBlockTag.IfElseClauses.Select(x => VisitIfTag(x.LiquidExpressionTree));
}
public void Visit(IfThenElseBlockTag ifThenElseBlockTag)
{
// find the first place where the expression tree evaluates to true (i.e. which of the if/elsif/else clauses)
// This ignores "eval" errors in clauses.
var match = ifThenElseBlockTag.IfElseClauses.FirstOrDefault(
expr => {
var result = LiquidExpressionEvaluator.Eval(expr.LiquidExpressionTree, _templateContext);
return result.IsSuccess && result.SuccessResult.HasValue && result.SuccessResult.Value.IsTrue;
});
if (match != null)
{
StartWalking(match.LiquidBlock); // then render the contents
}
}