private IEnumerable <CompletionItem> GetItems(SourceText text, int position, CompletionTriggerInfo triggerInfo, CancellationToken cancellationToken)
{
var line = text.Lines.GetLineFromPosition(position);
var lineText = text.ToString(TextSpan.FromBounds(line.Start, position));
var match = s_directiveRegex.Match(lineText);
if (!match.Success)
{
return(null);
}
var quotedPathGroup = match.Groups[1];
var quotedPath = quotedPathGroup.Value;
var endsWithQuote = PathCompletionUtilities.EndsWithQuote(quotedPath);
if (endsWithQuote && (position >= line.Start + match.Length))
{
return(null);
}
var buffer = text.Container.GetTextBuffer();
var snapshot = text.FindCorrespondingEditorTextSnapshot();
if (snapshot == null)
{
return(null);
}
var fileSystem = PathCompletionUtilities.GetCurrentWorkingDirectoryDiscoveryService(snapshot);
var searchPaths = ImmutableArray.Create <string>(fileSystem.CurrentDirectory);
var helper = new FileSystemCompletionHelper(
this,
GetTextChangeSpan(text, position, quotedPathGroup),
fileSystem,
Glyph.OpenFolder,
Glyph.CSharpFile,
searchPaths: searchPaths,
allowableExtensions: new[] { ".csx" });
var pathThroughLastSlash = this.GetPathThroughLastSlash(text, position, quotedPathGroup);
return(helper.GetItems(pathThroughLastSlash, documentPath: null));
}
private ICurrentWorkingDirectoryDiscoveryService GetFileSystemDiscoveryService(ITextSnapshot textSnapshot)
{
return(PathCompletionUtilities.GetCurrentWorkingDirectoryDiscoveryService(textSnapshot));
}