public FileSystemCompletionHelper(
ICompletionProvider completionProvider,
TextSpan textChangeSpan,
ICurrentWorkingDirectoryDiscoveryService fileSystemDiscoveryService,
Glyph folderGlyph,
Glyph fileGlyph,
ImmutableArray <string> searchPaths,
IEnumerable <string> allowableExtensions,
Func <string, bool> exclude = null)
{
Debug.Assert(searchPaths.All(path => PathUtilities.IsAbsolute(path)));
this.completionProvider = completionProvider;
this.textChangeSpan = textChangeSpan;
this.searchPaths = searchPaths;
this.allowableExtensions = allowableExtensions.Select(e => e.ToLowerInvariant()).ToSet();
this.fileSystemDiscoveryService = fileSystemDiscoveryService;
this.folderGlyph = folderGlyph;
this.fileGlyph = fileGlyph;
this.exclude = exclude;
this.lazyGetDrives = new Lazy <string[]>(() =>
IOUtilities.PerformIO(Directory.GetLogicalDrives, SpecializedCollections.EmptyArray <string>()));
}
private static FileSystemInfo[] GetFileSystemInfos(DirectoryInfo directoryInfo)
{
return(IOUtilities.PerformIO(directoryInfo.GetFileSystemInfos, SpecializedCollections.EmptyArray <FileSystemInfo>()));
}
private static bool IsDriveRoot(string fullPath)
{
return(IOUtilities.PerformIO(() => new DirectoryInfo(fullPath).Parent == null));
}
