private static bool ParseUPathInternal(
string path,
UPathParseMode parseMode,
bool throwFormatException,
out char?drive,
out string uniformPath)
{
path = path.Trim();
drive = null;
if ((path.Length >= 2) && (path[1] == ':'))
{
drive = char.ToUpperInvariant(path[0]);
if (!ValidDriveChars.Contains(drive.Value))
{
if (throwFormatException)
{
throw new UPathFormatException($"Invalid drive char: {drive}");
}
uniformPath = null;
return(false);
}
path = path.Substring(2, path.Length - 2);
}
// TODO: Parse and validate.
uniformPath = path.Replace("\\", "/");
return(true);
}
public UPath(string path, UPathParseMode parseMode = UPathParseMode.AllowIncorrectFormat)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
ParseUPathInternal(path, parseMode, true, out _drive, out _uniformPath);
}
public static bool TryParse(string path, UPathParseMode parseMode, out UPath uPath)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
if (ParseUPathInternal(path, parseMode, false, out char?drive, out string uniformPath))
{
uPath = new UPath(uniformPath, drive);
return(true);
}
uPath = null;
return(false);
}
public void ParsePath(string path, UPathParseMode parseMode, string expectedPath, string expectedException)
{
if (expectedPath != null)
{
var p = new UPath(path, parseMode);
p.ToString().Should().Be(expectedPath);
bool result = UPath.TryParse(path, parseMode, out p);
result.Should().BeTrue();
p.ToString().Should().Be(expectedPath);
}
else
{
Action a = () =>
{
// ReSharper disable once ObjectCreationAsStatement
new UPath(path, parseMode);
};
a.ShouldThrow <UPathFormatException>().Where(x => x.Message.StartsWith(expectedException));
bool result = UPath.TryParse(path, parseMode, out var p);
result.Should().BeFalse();
}
}