private IEnumerable <FileSystemInfo> InternalEnumerateInfos(
string path,
string searchPattern,
SearchTarget searchTarget,
EnumerationOptions options)
{
Debug.Assert(path != null);
if (searchPattern == null)
{
throw new ArgumentNullException(nameof(searchPattern));
}
_isNormalized &= FileSystemEnumerableFactory.NormalizeInputs(ref path, ref searchPattern, options.MatchType);
switch (searchTarget)
{
case SearchTarget.Directories:
return(FileSystemEnumerableFactory.DirectoryInfos(path, searchPattern, options, _isNormalized));
case SearchTarget.Files:
return(FileSystemEnumerableFactory.FileInfos(path, searchPattern, options, _isNormalized));
case SearchTarget.Both:
return(FileSystemEnumerableFactory.FileSystemInfos(path, searchPattern, options, _isNormalized));
default:
throw new ArgumentException(SR.ArgumentOutOfRange_Enum, nameof(searchTarget));
}
}
internal static IEnumerable <string> InternalEnumeratePaths(
string path,
string searchPattern,
SearchTarget searchTarget,
EnumerationOptions options)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
if (searchPattern == null)
{
throw new ArgumentNullException(nameof(searchPattern));
}
FileSystemEnumerableFactory.NormalizeInputs(ref path, ref searchPattern, options.MatchType);
switch (searchTarget)
{
case SearchTarget.Files:
return(FileSystemEnumerableFactory.UserFiles(path, searchPattern, options));
case SearchTarget.Directories:
return(FileSystemEnumerableFactory.UserDirectories(path, searchPattern, options));
case SearchTarget.Both:
return(FileSystemEnumerableFactory.UserEntries(path, searchPattern, options));
default:
throw new ArgumentOutOfRangeException(nameof(searchTarget));
}
}