internal static bool IsBetterDeletionMatch(FilterResult result1, FilterResult result2)
{
var item1 = result1.CompletionItem;
var item2 = result2.CompletionItem;
var prefixLength1 = item1.FilterText.GetCaseInsensitivePrefixLength(result1.FilterText);
var prefixLength2 = item2.FilterText.GetCaseInsensitivePrefixLength(result2.FilterText);
// Prefer the item that matches a longer prefix of the filter text.
if (prefixLength1 > prefixLength2)
{
return(true);
}
if (prefixLength1 == prefixLength2)
{
// If the lengths are the same, prefer the one with the higher match priority.
// But only if it's an item that would have been hard selected. We don't want
// to aggressively select an item that was only going to be softly offered.
var item1Priority = item1.Rules.SelectionBehavior == CompletionItemSelectionBehavior.HardSelection
? item1.Rules.MatchPriority : MatchPriority.Default;
var item2Priority = item2.Rules.SelectionBehavior == CompletionItemSelectionBehavior.HardSelection
? item2.Rules.MatchPriority : MatchPriority.Default;
if (item1Priority > item2Priority)
{
return(true);
}
prefixLength1 = item1.FilterText.GetCaseSensitivePrefixLength(result1.FilterText);
prefixLength2 = item2.FilterText.GetCaseSensitivePrefixLength(result2.FilterText);
// If there are "Abc" vs "abc", we should prefer the case typed by user.
if (prefixLength1 > prefixLength2)
{
return(true);
}
}
return(false);
}
public ExtendedFilterResult(VSCompletionItem item, FilterResult filterResult)
{
VSCompletionItem = item;
FilterResult = filterResult;
}
internal static bool IsBetterDeletionMatch(FilterResult result1, FilterResult result2) => result1.CompareTo(result2) > 0;
