public static String GetAvailDirCPath(this String dirPath)
{
dirPath = dirPath.Slash();
// prevents incorrect treatment of paths with elements ending with a dot
dirPath = dirPath.Replace(".\\", ".$$\\");
if (dirPath.EndsWith(".")) dirPath += "$$";
var sb = new StringBuilder();
foreach(var step in PathParentSteps(dirPath)
.Concat(dirPath.AsFileSystemInfo().Name.MkArray()))
{
if (File.Exists(sb + step.Unslash()))
{
sb.Append(step.Unslash().DoubleBux().Slash());
}
else
{
sb.Append(step);
}
}
return sb.ToString().Slash();
}
public static FileSystemInfo MapPathToCoexisting(this String fspath)
{
// prevents incorrect treatment of paths with elements ending with a dot
fspath = fspath.Replace(".\\", ".$$\\");
if (fspath.EndsWith(".")) fspath += "$$";
var sb = new StringBuilder();
foreach (var step in PathParentSteps(fspath))
{
if (!step.EndsWith(".") && Directory.Exists(sb + step))
{
sb.Append(step);
}
else if (Directory.Exists(sb + step.Unslash().DoubleBux().Slash()))
{
sb.Append(step.Unslash().DoubleBux().Slash());
}
else if (Directory.Exists(sb + step.Unslash().DoubleBux().DoubleBux().Slash()))
{
sb.Append(step.Unslash().DoubleBux().DoubleBux().Slash());
}
else
{
return null;
}
}
var parent = sb.ToString();
var localPath = fspath.AsFileSystemInfo().Name;
if (fspath.EndsWith(@"\"))
{
if (!fspath.EndsWith(".") && Directory.Exists(parent + localPath))
{
return new DirectoryInfo(parent + localPath);
}
else if (Directory.Exists(parent + localPath.Unslash().DoubleBux().Slash()))
{
return new DirectoryInfo(parent + localPath.Unslash().DoubleBux().Slash());
}
else if (Directory.Exists(parent + localPath.Unslash().DoubleBux().DoubleBux().Slash()))
{
return new DirectoryInfo(parent + localPath.Unslash().DoubleBux().DoubleBux().Slash());
}
else
{
return null;
}
}
else
{
if (!localPath.EndsWith(".") && File.Exists(parent + localPath))
{
return new FileInfo(parent + localPath);
}
else if (File.Exists(parent + localPath.Unslash().DoubleBux()))
{
return new FileInfo(parent + localPath.Unslash().DoubleBux());
}
else if (File.Exists(parent + localPath.Unslash().DoubleBux().DoubleBux()))
{
return new FileInfo(parent + localPath.Unslash().DoubleBux().DoubleBux());
}
else
{
return null;
}
}
}
