/// <summary>
/// Returns a relative (logical) path between a node and an ancestor.
/// </summary>
/// <param name="descendent">The descendent node to calculate the relative path for.</param>
/// <param name="ancestor">The ancestor node that determines the root of the relative path.</param>
/// <returns>The relative path from <paramref name="ancestor"/> to <paramref name="descendent"/>.</returns>
/// <exception cref="System.ArgumentException">The <paramref name="ancestor"/> node is not actually
/// an ancestor of <paramref name="descendent"/>.</exception>
public static string RelativePathTo(this ISolutionExplorerNode descendent, ISolutionExplorerNode ancestor)
{
if (!descendent.Ancestors().Any(node => node.Equals(ancestor) || ReferenceEquals(node, ancestor)))
{
throw new ArgumentException(Strings.ISolutionExplorerNodeExtensions.NotAncestor(ancestor, descendent));
}
return(string.Join(Path.DirectorySeparatorChar.ToString(), descendent
.Ancestors()
.TakeWhile(node => !node.Equals(ancestor) && !ReferenceEquals(node, ancestor))
.Select(node => node.Name)
.Reverse()
.Concat(new[] { descendent.Name })));
}
