Ejemplo n.º 1
0
func lang(c tree.Ctx, args ...tree.Result) (tree.Result, error) {
	lStr := args[0].String()

	var n tree.Elem

	for _, i := range c.NodeSet {
		if i.GetNodeType() == tree.NtElem {
			n = i.(tree.Elem)
		} else {
			n = i.GetParent()
		}

		for n.GetNodeType() != tree.NtRoot {
			if attr, ok := tree.GetAttribute(n, "lang", tree.XMLSpace); ok {
				return checkLang(lStr, attr.Value), nil
			}
			n = n.GetParent()
		}
	}

	return tree.Bool(false), nil
}