/// <inheritdoc />
protected override UPath ConvertPathFromInternalImpl(string innerPath)
{
if (IsOnWindows)
{
// We currently don't support special Windows files (\\.\ \??\ DosDevices...etc.)
if (innerPath.StartsWith(@"\\") || innerPath.StartsWith(@"\?"))
{
throw new NotSupportedException($"Path starting with `\\\\` or `\\?` are not supported -> `{innerPath}` ");
}
var absolutePath = Path.GetFullPath(innerPath);
var driveIndex = absolutePath.IndexOf(":\\", StringComparison.Ordinal);
if (driveIndex != 1)
{
throw new ArgumentException($"Expecting a drive for the path `{absolutePath}`");
}
var builder = UPath.GetSharedStringBuilder();
builder.Append(DrivePrefixOnWindows).Append(char.ToLowerInvariant(absolutePath[0])).Append('/');
if (absolutePath.Length > 2)
{
builder.Append(absolutePath.Substring(2));
}
var result = builder.ToString();
builder.Length = 0;
return(new UPath(result));
}
return(innerPath);
}
// ----------------------------------------------
// Path API
// ----------------------------------------------
/// <inheritdoc />
protected override string ConvertPathToInternalImpl(UPath path)
{
var absolutePath = path.FullName;
if (IsOnWindows)
{
if (!absolutePath.StartsWith(DrivePrefixOnWindows) ||
absolutePath.Length == DrivePrefixOnWindows.Length ||
!IsDriveLetter(absolutePath[DrivePrefixOnWindows.Length]))
{
throw new ArgumentException($"A path on Windows must start by `{DrivePrefixOnWindows}` followed by the drive letter");
}
var driveLetter = char.ToUpper(absolutePath[DrivePrefixOnWindows.Length]);
if (absolutePath.Length != DrivePrefixOnWindows.Length + 1 &&
absolutePath[DrivePrefixOnWindows.Length + 1] !=
UPath.DirectorySeparator)
{
throw new ArgumentException($"The driver letter `/{DrivePrefixOnWindows}{absolutePath[DrivePrefixOnWindows.Length]}` must be followed by a `/` or nothing in the path -> `{absolutePath}`");
}
var builder = UPath.GetSharedStringBuilder();
builder.Append(driveLetter).Append(":\\");
if (absolutePath.Length > DrivePrefixOnWindows.Length + 1)
{
builder.Append(absolutePath.Replace(UPath.DirectorySeparator, '\\').Substring(DrivePrefixOnWindows.Length + 2));
}
var result = builder.ToString();
builder.Length = 0;
return(result);
}
return(absolutePath);
}