public IEnumerable <IFileSystemInfo> Walk(GlobNode node, GlobberSettings settings)
{
var context = new GlobVisitorContext(_environment, settings);
node.Accept(this, context);
return(context.Results);
}
public static void Validate(string pattern, GlobNode node)
{
var previous = (GlobNode?)null;
var current = node;
while (current != null)
{
if (previous is RecursiveWildcardNode)
{
if (current is ParentDirectoryNode)
{
throw new NotSupportedException("Visiting a parent that is a recursive wildcard is not supported.");
}
}
if (current is UncRootNode unc)
{
if (string.IsNullOrWhiteSpace(unc.Server))
{
throw new IOException($"The pattern '{pattern}' has no server part specified.");
}
}
previous = current;
current = current.Next;
}
}
private static GlobNode RewriteUncRoot(string pattern, GlobNode root)
{
if (root is UncRootNode unc && string.IsNullOrWhiteSpace(unc.Server))
{
var next = unc.Next;
if (next == null)
{
throw new IOException($"The pattern '{pattern}' has no server part specified.");
}
else if (next is PathNode path && path.IsIdentifier)
{
// Rewrite the root node.
return(new UncRootNode(path.GetPath())
{
Next = next.Next,
});
}