static bool TryConvert(Context ctx, Arg arg, PropertyInfo prop, Type targetType, out object?result)
{
var value = arg.Value;
var converterContext = new ConverterContext
{
ParseOptions = ctx.Options,
Arg = arg,
TargetProperty = prop,
TargetType = targetType
};
// User provided converters
foreach (var t in ctx.Options._customConverters)
{
if (t.converter.TryConvert(converterContext, arg, out result))
{
return(true);
}
}
// Built in converters
foreach (var c in BuiltInConverters)
{
if (c.TryConvert(converterContext, arg, out result))
{
return(true);
}
}
// Array
if (targetType.IsArray)
{
var elementType = targetType.GetElementType();
// todo: get seperator from attribute or options
// todo: maybe add support for quotes (so seperator can be used inside)
var strValues = value.Split(',');
var ar = Array.CreateInstance(elementType, strValues.Length);
for (int i = 0; i < strValues.Length; i++)
{
var elementArg = Arg.CreateForArrayElement(arg, strValues[i]);
if (TryConvert(ctx, elementArg, prop, elementType, out object?element))
{
ar.SetValue(element, i);
}
else
{
throw new InvalidCastException($"Error while converting array element to type \"{elementType.FullName}\". Index: [{i}]. SourceValue: \"{strValues[i]}\"");
}
}
result = ar;
return(true);
}
result = null;
return(false);
}
