public static string PathRelativeTo(this string path, string root)
{
var pathParts = path.getPathParts();
var rootParts = root.getPathParts();
var length = pathParts.Count > rootParts.Count ? rootParts.Count : pathParts.Count;
for (int i = 0; i < length; i++)
{
if (pathParts.First() == rootParts.First())
{
pathParts.RemoveAt(0);
rootParts.RemoveAt(0);
}
else
{
break;
}
}
for (int i = 0; i < rootParts.Count; i++)
{
pathParts.Insert(0, "..");
}
return(pathParts.Count > 0 ? FileSystem.Combine(pathParts.ToArray()) : string.Empty);
}
/// <summary>
/// Equivalent of FileSystem.Combine( [Union of path, parts] )
/// </summary>
/// <param name="path"></param>
/// <param name="parts"></param>
/// <returns></returns>
public static string AppendPath(this string path, params string[] parts)
{
var list = new List <string> {
path
};
list.AddRange(parts);
return(FileSystem.Combine(list.ToArray()));
}
public static void CreateDirectory(this IFileSystem fileSystem, params string[] pathParts)
{
fileSystem.CreateDirectory(FileSystem.Combine(pathParts));
}
public static string ReadStringFromFile(this IFileSystem fileSystem, params string[] pathParts)
{
return(fileSystem.ReadStringFromFile(FileSystem.Combine(pathParts)));
}
public static void PersistToFile(this IFileSystem fileSystem, object target, params string[] pathParts)
{
fileSystem.WriteObjectToFile(FileSystem.Combine(pathParts), target);
}
public static IEnumerable <string> FileNamesFor(this IFileSystem fileSystem, FileSet set, params string[] pathParts)
{
return(fileSystem.FindFiles(FileSystem.Combine(pathParts), set));
}
public static IEnumerable <string> ChildDirectoriesFor(this IFileSystem fileSystem, params string[] pathParts)
{
return(fileSystem.ChildDirectoriesFor(FileSystem.Combine(pathParts)));
}
public static T LoadFromFile <T>(this IFileSystem fileSystem, params string[] pathParts) where T : new()
{
return(fileSystem.LoadFromFile <T>(FileSystem.Combine(pathParts)));
}
public static bool FileExists(this IFileSystem fileSystem, params string[] pathParts)
{
return(fileSystem.FileExists(FileSystem.Combine(pathParts)));
}
public static void LaunchEditor(this IFileSystem fileSystem, params string[] pathParts)
{
fileSystem.LaunchEditor(FileSystem.Combine(pathParts));
}