private async Promise CoreAction(IByteCounterStream outputStream,
ContextObject c,
ScopeData scopeData,
Func <ContextObject, Promise> onItem)
{
if (!c.Exists())
{
return;
}
if (!(c.Value is IEnumerable value) || value is string || value is IDictionary <string, object> )
{
var path = new Stack <string>();
var parent = c.Parent;
while (parent != null)
{
path.Push(parent.Key);
parent = parent.Parent;
}
throw new IndexedParseException(CharacterLocationExtended.Empty,
string.Format(
"{1}'{0}' is used like an array by the template, but is a scalar value or object in your model." +
" Complete Expression until Error:{2}",
MorestachioExpression, ExpressionStart,
(path.Count == 0 ? "Empty" : path.Aggregate((e, f) => e + "\r\n" + f))));
}
if (value is ICollection col)
{
await LoopCollection(outputStream, c, scopeData, onItem, col);
}
else
{
await LoopEnumerable(outputStream, c, scopeData, onItem, value);
}
}