/// <summary>
/// Gets the LazyCopy reparse data from the <paramref name="path"/> given.
/// </summary>
/// <param name="path">Path to the file to get the reparse data from.</param>
/// <returns>
/// Reparse data found or <see langword="null"/>, if it's not set.
/// </returns>
/// <exception cref="ArgumentNullException"><paramref name="path"/> is <see langword="null"/> or empty.</exception>
/// <exception cref="IOException">File cannot be opened.</exception>
/// <exception cref="InvalidOperationException">Reparse point data cannot be retrieved.</exception>
public static LazyCopyFileData GetReparseData(string path)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException(nameof(path));
}
string normalizedPath = LongPathCommon.NormalizePath(path);
LongPathFileInfo fileInfo = new LongPathFileInfo(normalizedPath);
if (!fileInfo.Exists || !fileInfo.Attributes.HasFlag(FileAttributes.ReparsePoint))
{
return(null);
}
try
{
LazyCopyReparseData data = ReparsePointHelper.GetReparsePointData <LazyCopyReparseData>(path, LazyCopyFileHelper.LazyCopyReparseTag, LazyCopyFileHelper.LazyCopyReparseGuid);
bool useCustomHandler = data.UseCustomHandler > 0;
return(new LazyCopyFileData
{
UseCustomHandler = useCustomHandler,
FileSize = data.FileSize,
RemotePath = useCustomHandler ? data.RemotePath : PathHelper.ChangeDeviceNameToDriveLetter(data.RemotePath)
});
}
catch (InvalidOperationException)
{
return(null);
}
}
protected override void ProcessPath(PscxPathInfo pscxPath)
{
var filePath = pscxPath.ProviderPath;
if (ReparsePointHelper.IsReparsePoint(filePath))
{
if (Raw)
{
WriteObject(ReparsePointHelper.GetReparsePointData(filePath));
}
else
{
WriteObject(ReparsePointHelper.GetReparsePoint(filePath));
}
}
}
