private QueryResultItem CreateResult(uint resultIndex, Func <string, QueryResultItem> make)
{
var pathBuilder = new StringBuilder(260);
EverythingDll.Everything_GetResultFullPathNameW(resultIndex, pathBuilder, (uint)pathBuilder.Capacity);
return(make.Invoke(pathBuilder.ToString()));
}
public async IAsyncEnumerable <QueryResultItem> GetCurrentResult([EnumeratorCancellation] CancellationToken ct = default)
{
var numResults = EverythingDll.Everything_GetNumResults();
if (numResults == 0)
{
yield break;
}
var collection = new BlockingCollection <QueryResultItem>();
_ = Task.Run(() =>
{
Parallel.For(0, numResults, body: i =>
{
QueryResultItem item = null;
var index = (uint)i;
switch (GetResultType(index))
{
case ResultType.Unknown:
break;
case ResultType.File:
item = CreateResult(index, MakeFile);
break;
case ResultType.Directory:
item = CreateResult(index, MakeDir);
break;
case ResultType.Volume:
break;
default:
throw new ArgumentOutOfRangeException();
}
collection.Add(item, ct);
}, parallelOptions: new ParallelOptions {
CancellationToken = ct
});
collection.CompleteAdding();
}, ct);
foreach (var result in collection.GetConsumingEnumerable())
{
yield return(result);
}
}
private ResultType GetResultType(uint index)
{
if (EverythingDll.Everything_IsFileResult(index))
{
return(ResultType.File);
}
if (EverythingDll.Everything_IsFolderResult(index))
{
return(ResultType.Directory);
}
if (EverythingDll.Everything_IsVolumeResult(index))
{
return(ResultType.Volume);
}
return(ResultType.Unknown);
}
public void Dispose()
{
EverythingDll.Everything_Reset();
}
