/// <summary>
/// Get the canonical volume root (e.g. the \\?\VolumeGuid format) for the given path. The path must not be relative.
/// </summary>
/// <exception cref="ArgumentException">Thrown if the path is relative or indeterminate.</exception>
/// <exception cref="System.IO.IOException">Thrown if unable to get the root from the OS.</exception>
public static string GetCanonicalRoot(this IExtendedFileService extendedFileService, IFileService fileService, string path)
{
if (Paths.IsPartiallyQualified(path))
{
throw new ArgumentException(nameof(path));
}
path = fileService.GetFullPath(path);
int rootLength;
var format = Paths.GetPathFormat(path, out rootLength);
if (format == PathFormat.UnknownFormat)
{
throw new ArgumentException(nameof(format));
}
string root = path.Substring(0, rootLength);
string canonicalRoot = root;
switch (format)
{
case PathFormat.UniformNamingConvention:
if (Paths.IsDevice(path))
{
canonicalRoot = @"\\" + root.Substring(Paths.ExtendedUncPrefix.Length);
}
break;
case PathFormat.LocalFullyQualified:
canonicalRoot = extendedFileService.GetVolumeName(root);
break;
}
return(canonicalRoot);
}
public void GetFullPathWithBasePathTests(string path, string basePath, string expected)
{
IExtendedFileService extendedFileService = Substitute.For <IExtendedFileService>();
extendedFileService.GetVolumeName(@"C:\").Returns("TestCVolumeName");
extendedFileService.GetVolumeName(@"D:\").Returns("TestDVolumeName");
var fileService = new FileService(extendedFileService, initialCurrentDirectory: @"C:\Users");
fileService.GetFullPath(path, basePath).Should().Be(expected);
}
public void SetCurrentDirectoryThrowsOnRelative()
{
IExtendedFileService extendedFileService = Substitute.For <IExtendedFileService>();
IFileService fileService = Substitute.For <IFileService>();
fileService.GetFullPath("").ReturnsForAnyArgs(x => x[0]);
fileService.GetAttributes("").ReturnsForAnyArgs(System.IO.FileAttributes.Directory);
extendedFileService.GetVolumeName("").ReturnsForAnyArgs("TestRoot");
CurrentDirectory cd = new CurrentDirectory(fileService, extendedFileService);
Action action = () => cd.SetCurrentDirectory("a");
action.Should().Throw <ArgumentException>();
}
/// <summary>
/// Return the legacy drive letter (e.g. "C", "D") for the given path or null if one doesn't exist
/// </summary>
public static string GetDriveLetter(this IExtendedFileService extendedFileService, IFileService fileService, string path)
{
string pathCanonicalRoot = extendedFileService.GetCanonicalRoot(fileService, path);
// We have to walk drives
foreach (var drive in extendedFileService.GetLogicalDriveStrings())
{
string driveCanonicalRoot = extendedFileService.GetCanonicalRoot(fileService, drive);
if (String.Equals(pathCanonicalRoot, driveCanonicalRoot))
{
return(drive);
}
}
return(null);
//int rootLength;
//switch (Paths.GetPathFormat(path, out rootLength))
//{
// case PathFormat.UnknownFormat:
// case PathFormat.CurrentDirectoryRelative:
// case PathFormat.CurrentVolumeRelative:
// case PathFormat.UniformNamingConvention:
// case PathFormat.UniformNamingConventionExtended:
// return null;
// case PathFormat.DriveAbsolute:
// case PathFormat.DriveRelative:
// // Already in the "C:" form
// return path.Substring(0, 1);
// case PathFormat.Device:
// case PathFormat.VolumeAbsoluteExtended:
// // Get the DOS alias for this path
// string root = path.Substring(0, rootLength);
// string deviceAlias = fileService.QueryDosDeviceNames(root).FirstOrDefault();
// if (deviceAlias == null) return null;
// // We have to walk drives
// foreach (var drive in fileService.GetLogicalDriveStrings())
// {
// string driveAlias = fileService.QueryDosDeviceNames(drive).FirstOrDefault();
// if (String.Equals(deviceAlias, driveAlias))
// {
// return driveAlias;
// }
// }
// break;
//}
//return null;
}
/// <summary>
/// Return the legacy drive letter (e.g. "C", "D") for the given path or null if one doesn't exist
/// </summary>
public static string GetDriveLetter(this IExtendedFileService extendedFileService, IFileService fileService, string path)
{
string pathCanonicalRoot = extendedFileService.GetCanonicalRoot(fileService, path);
// We have to walk drives
foreach (var drive in extendedFileService.GetLogicalDriveStrings())
{
string driveCanonicalRoot = extendedFileService.GetCanonicalRoot(fileService, drive);
if (string.Equals(pathCanonicalRoot, driveCanonicalRoot))
{
return(drive);
}
}
return(null);
}
/// <summary>
/// Get the canonical volume root (e.g. the \\?\VolumeGuid format) for the given path. The path must not be relative.
/// </summary>
/// <exception cref="ArgumentException">Thrown if the path is relative or indeterminate.</exception>
/// <exception cref="System.IO.IOException">Thrown if unable to get the root from the OS.</exception>
public static string GetCanonicalRoot(this IExtendedFileService extendedFileService, IFileService fileService, string path)
{
if (Paths.IsRelative(path))
{
throw new ArgumentException();
}
path = fileService.GetFullPath(path);
int rootLength;
var format = Paths.GetPathFormat(path, out rootLength);
if (format == PathFormat.UnknownFormat)
{
throw new ArgumentException();
}
string root = path.Substring(0, rootLength);
string simpleRoot = root;
string canonicalRoot = root;
switch (format)
{
case PathFormat.UniformNamingConventionExtended:
simpleRoot = @"\\" + root.Substring(Paths.ExtendedUncPrefix.Length);
goto case PathFormat.UniformNamingConvention;
case PathFormat.UniformNamingConvention:
canonicalRoot = simpleRoot;
break;
case PathFormat.VolumeAbsoluteExtended:
case PathFormat.DriveAbsolute:
canonicalRoot = extendedFileService.GetVolumeName(root);
simpleRoot = extendedFileService.GetMountPoint(root);
break;
}
return(canonicalRoot);
}
public CurrentDirectory(IFileService fileService, IExtendedFileService extendedFileService)
{
this.fileService = fileService;
this.extendedFileService = extendedFileService;
this.SetCurrentDirectory(Environment.CurrentDirectory);
}
public CurrentDirectory(IFileService fileService, IExtendedFileService extendedFileService)
{
this.fileService = fileService;
this.extendedFileService = extendedFileService;
this.SetCurrentDirectory(Environment.CurrentDirectory);
}
public FileService(IExtendedFileService extendedFileService)
{
this.directory = new Flex.CurrentDirectory(this, extendedFileService);
}
public CurrentDirectory(IFileService fileService, IExtendedFileService extendedFileService)
{
_fileService = fileService;
_extendedFileService = extendedFileService;
SetCurrentDirectory(Environment.CurrentDirectory);
}
public FileService(IExtendedFileService extendedFileService)
{
this.directory = new Flex.CurrentDirectory(this, extendedFileService);
}
public CurrentDirectory(IFileService fileService, IExtendedFileService extendedFileService, string initialCurrentDirectory = null)
{
_fileService = fileService;
_extendedFileService = extendedFileService;
SetCurrentDirectory(initialCurrentDirectory ?? Environment.CurrentDirectory);
}
public FileService(IExtendedFileService extendedFileService, string initialCurrentDirectory = null)
{
_directory = new CurrentDirectory(this, extendedFileService, initialCurrentDirectory);
}
public FileService(IExtendedFileService extendedFileService)
{
_directory = new CurrentDirectory(this, extendedFileService);
}
public FileService(IExtendedFileService extendedFileService, string initialCurrentDirectory = null)
{
_directory = new CurrentDirectory(this, extendedFileService, initialCurrentDirectory);
}
public CurrentDirectory(IFileService fileService, IExtendedFileService extendedFileService, string initialCurrentDirectory = null)
{
_fileService = fileService;
_extendedFileService = extendedFileService;
SetCurrentDirectory(initialCurrentDirectory ?? Environment.CurrentDirectory);
}