/// <summary>
/// Returns a normalized directory reference from a path reference
/// or the parent directory path if the <paramref name="dirPath"/>
/// reference points to a file.
/// </summary>
/// <param name="dirPath"></param>
/// <returns></returns>
public static string ExtractDirectoryRoot(string dirPath)
{
bool bExists = false;
if (PathModel.CheckValidString(dirPath) == false)
{
return(null);
}
try
{
bExists = System.IO.Directory.Exists(dirPath);
}
catch
{
}
if (bExists == true)
{
return(PathModel.NormalizeDirectoryPath(dirPath));
}
else
{
bExists = false;
string path = string.Empty;
try
{
// check if this is a file reference and attempt to get its path
path = System.IO.Path.GetDirectoryName(dirPath);
bExists = System.IO.Directory.Exists(path);
}
catch
{
}
if (string.IsNullOrEmpty(path) == true)
{
return(null);
}
if (path.Length <= 3)
{
return(null);
}
if (bExists == true)
{
return(PathModel.NormalizeDirectoryPath(path));
}
return(null);
}
}
/// <summary>
/// Class constructor
/// </summary>
public PathModel(string path, FSItemType itemType)
: this()
{
mItemType = itemType;
switch (itemType)
{
case FSItemType.Folder:
case FSItemType.LogicalDrive:
mPath = PathModel.NormalizeDirectoryPath(path);
break;
case FSItemType.File:
mPath = PathModel.NormalizePath(path);
break;
case FSItemType.DummyEntry:
break;
case FSItemType.Unknown:
default:
throw new NotImplementedException(string.Format("Enumeration member: '{0}' not supported.", itemType));
}
}