private static SignatureHelpItem GetBestItem(
SignatureHelpItem currentItem, IList <SignatureHelpItem> filteredItems, int selectedParameter, int argumentCount, string name, bool isCaseSensitive)
{
// If the current item is still applicable, then just keep it.
if (filteredItems.Contains(currentItem) &&
IsApplicable(currentItem, argumentCount, name, isCaseSensitive))
{
return(currentItem);
}
// Try to find the first applicable item. If there is none, then that means the
// selected parameter was outside the bounds of all methods. i.e. all methods only
// went up to 3 parameters, and selected parameter is 3 or higher. In that case,
// just pick the very last item as it is closest in parameter count.
var result = filteredItems.FirstOrDefault(i => IsApplicable(i, argumentCount, name, isCaseSensitive));
if (result != null)
{
return(result);
}
// if we couldn't find a best item, and they provided a name, then try again without
// a name.
if (name != null)
{
return(GetBestItem(currentItem, filteredItems, selectedParameter, argumentCount, null, isCaseSensitive));
}
// If we don't have an item that can take that number of parameters, then just pick
// the last item. Or stick with the current item if the last item isn't any better.
var lastItem = filteredItems.Last();
if (currentItem.IsVariadic || currentItem.Parameters.Length == lastItem.Parameters.Length)
{
return(currentItem);
}
return(lastItem);
}
public SignatureHelpResult(SignatureHelpItems items, SignatureHelpItem selectedItem, int?selectedParameter)
{
Items = items;
SelectedItem = selectedItem;
SelectedParameter = selectedParameter;
}
public SignatureHelpSelection(SignatureHelpItem selectedItem, int?selectedParameter) : this()
{
_selectedItem = selectedItem;
_selectedParameter = selectedParameter;
}
private static bool DisplayPartsMatch(SignatureHelpItem i1, SignatureHelpItem i2)
{
return(i1.GetAllParts().SequenceEqual(i2.GetAllParts(), CompareParts));
}