/// <summary>
/// Opens an existing file at the specified path and returns a <see cref="System.IO.Stream"/> to it.
/// </summary>
/// <param name="path"></param>
/// <param name="mode"></param>
public static Stream Open(string path, FileAccessMode mode)
{
if (string.IsNullOrWhiteSpace(path))
{
throw new ArgumentException("The specified path is null or whitespace-only.");
}
PathOp.CheckInvalidPathChars(path);
return(DualityApp.SystemBackend.FileSystem.OpenFile(path, mode));
}
/// <summary>
/// Deletes the file that is referred to by the specified path.
/// </summary>
/// <param name="path"></param>
public static void Delete(string path)
{
if (string.IsNullOrWhiteSpace(path))
{
return;
}
PathOp.CheckInvalidPathChars(path);
DualityApp.SystemBackend.FileSystem.DeleteFile(path);
}
/// <summary>
/// Enumerates all directories that are located within the specified path.
/// </summary>
/// <param name="path"></param>
/// <param name="recursive">If true, the specified path will be searched recursively and yield all descendant directory paths.</param>
/// <returns></returns>
public static IEnumerable <string> GetDirectories(string path, bool recursive = false)
{
if (string.IsNullOrWhiteSpace(path))
{
return(Enumerable.Empty <string>());
}
PathOp.CheckInvalidPathChars(path);
return(DualityApp.SystemBackend.FileSystem.GetDirectories(path, recursive));
}
/// <summary>
/// Returns whether the specified path refers to an existing file.
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static bool Exists(string path)
{
if (string.IsNullOrWhiteSpace(path))
{
return(false);
}
PathOp.CheckInvalidPathChars(path);
return(DualityApp.SystemBackend.FileSystem.FileExists(path));
}
/// <summary>
/// Creates a directory tree matching the specified directory path.
/// </summary>
/// <param name="path"></param>
public static void Create(string path)
{
if (string.IsNullOrWhiteSpace(path))
{
throw new ArgumentException("The specified path is null or whitespace-only.");
}
PathOp.CheckInvalidPathChars(path);
DualityApp.SystemBackend.FileSystem.CreateDirectory(path);
}
/// <summary>
/// Deletes the directory that is referred to by the specified path.
/// </summary>
/// <param name="path"></param>
public static void Delete(string path)
{
if (string.IsNullOrWhiteSpace(path))
{
return;
}
PathOp.CheckInvalidPathChars(path);
PathOp.ResolveFileSystem(ref path).DeleteDirectory(path);
}
/// <summary>
/// Returns whether the specified path refers to an existing directory.
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static bool Exists(string path)
{
if (string.IsNullOrWhiteSpace(path))
{
return(false);
}
PathOp.CheckInvalidPathChars(path);
return(PathOp.ResolveFileSystem(ref path).DirectoryExists(path));
}
/// <summary>
/// Creates or overwrites a file at the specified path and returns a <see cref="System.IO.Stream"/> to it.
/// The returned stream has implicit read / write access.
/// </summary>
/// <param name="path"></param>
public static Stream Create(string path)
{
if (string.IsNullOrWhiteSpace(path))
{
throw new ArgumentException("The specified path is null or whitespace-only.");
}
PathOp.CheckInvalidPathChars(path);
return(PathOp.ResolveFileSystem(ref path).CreateFile(path));
}
/// <summary>
/// Enumerates all directories that are located within the specified path.
/// </summary>
/// <param name="path"></param>
/// <param name="recursive">If true, the specified path will be searched recursively and yield all descendant directory paths.</param>
/// <returns></returns>
public static IEnumerable <string> GetDirectories(string path, bool recursive = false)
{
if (string.IsNullOrWhiteSpace(path))
{
return(Enumerable.Empty <string>());
}
PathOp.CheckInvalidPathChars(path);
int index = PathOp.IndexOfFileSystem(path);
if (index == -1)
{
return(DualityApp.SystemBackend.FileSystem.GetDirectories(path, recursive));
}
else
{
return(PathOp.PrepareFileSystemForEnumerationUnsafe(index, true, path, recursive));
}
}
