public static PathName operator/(PathName left, PathName right)
{
if (left != null)
{
if (right != null) // left != null && right != null;
{
return(left.Join(right));
}
else // left != null && right == null
{
return(left);
}
}
else // left == null
{
if (right != null) // left == null && right != null
{
return(right);
}
else // left == null && right == null
{
return(PathName.Path(null));
}
}
}
public static void TouchFile(this PathName path)
{
if (!File.Exists(path.Full))
{
using (var stream = File.OpenWrite(path.Full))
{
stream.Close();
}
}
Debug.Assert(File.Exists(path.Full));
File.SetLastWriteTime(path.Full, DateTime.Now);
}
internal override PathName Join(PathName right)
{
if (right is PosixPathName other)
{
if (other.IsAbsolute)
{
return(right);
}
return(new PosixPathName(this.lead, this.segments.Concat(other.segments)));
}
else
{
throw new InvalidOperationException("can't join posix-path with non-posix-path");
}
}
public static void RemoveDirectory(PathName directory)
{
if (!directory.ExistsDirectory())
{
if (directory.ExistsFile())
{
throw PathNameErrors.EntityExistsButIsNotDirectory(directory);
}
throw PathNameErrors.DirectoryNotFoundException(directory);
}
using (var progress = new Progress())
{
RemoveDirectory(directory, progress);
}
}
private static void RemoveDirectory(PathName directory, Progress progress)
{
foreach (var file in directory.EnumerateFiles())
{
file.DeleteFile();
progress.Advance();
}
foreach (var child in directory.EnumerateDirectories())
{
RemoveDirectory(child, progress);
}
directory.DeleteDirectory();
progress.Advance();
}
internal override PathName Join(PathName right)
{
if (right is WindowsPathName other)
{
if (other.IsAbsolute)
{
return(other);
}
else if (other.IsAnchored)
{
throw new InvalidOperationException("can't join windows-path with anchored windows-path");
}
return(new WindowsPathName(this.lead, this.segments.Concat(other.segments)));
}
else
{
throw new InvalidOperationException("can't join windows-path with non-windows-path");
}
}
public static IEnumerable <PathName> EnumerateDirectories(this PathName path)
{
return(Directory.EnumerateDirectories(path.Full).Select(filePath => PathName.Path(filePath)));
}
public static bool ExistsDirectory(this PathName path)
{
return(Directory.Exists(path.Full));
}
public static void CreateDirectory(this PathName path)
{
Directory.CreateDirectory(path.Full);
}
public static void MoveDirectory(this PathName source, PathName destination)
{
Directory.Move(source.Full, destination.Full);
}
public static FileNotFoundException EntityDoesntExists(PathName path)
{
return(new FileNotFoundException($"'{path}' doesn't exists as expected"));
}
public static void CopyFileFrom(this PathName destination, PathName source)
{
File.Copy(source.Full, destination.Full);
}
public static DirectoryNotFoundException DirectoryNotFoundException(PathName path)
{
return(new DirectoryNotFoundException($"expected directory '{path}', but it doesn't exists"));
}
public static void WriteAllBytes(this PathName path, byte[] bytes)
{
File.WriteAllBytes(path.Full, bytes);
}
internal abstract PathName Join(PathName other);
public static bool ExistsFile(this PathName path)
{
return(File.Exists(path.Full));
}
public static string[] ReadAllLines(this PathName path)
{
return(File.ReadAllLines(path.Full));
}
public static FileNotFoundException EntityExistsButIsNotDirectory(PathName path)
{
return(new FileNotFoundException($"'{path}' exists, but isn't a directory as expected"));
}
public static void DeleteDirectory(this PathName path, bool recursive = false)
{
Directory.Delete(path.Full, recursive);
}
public static FileNotFoundException FileNotFoundException(PathName path)
{
return(new FileNotFoundException($"expected file '{path}', but it doesn't exists"));
}
public static void DeleteFile(this PathName path)
{
File.Delete(path.Full);
}
