From 9cb589cb343c08bd0c059af5da95fa90a0af6ac7 Mon Sep 17 00:00:00 2001
From: Yorick Peterse <yorickpeterse@gmail.com>
Date: Tue, 18 Aug 2015 14:08:11 +0200
Subject: [PATCH] XPath compiler support for name()

---
 lib/oga/xpath/compiler.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/oga/xpath/compiler.rb b/lib/oga/xpath/compiler.rb
index 122933f..f499fb1 100644
--- a/lib/oga/xpath/compiler.rb
+++ b/lib/oga/xpath/compiler.rb
@@ -860,6 +860,20 @@ module Oga
         end
       end
 
+      # @param [Oga::Ruby::Node] input
+      # @param [AST::Node] arg
+      # @return [Oga::Ruby::Node]
+      def on_call_name(input, arg = nil)
+        first_node_or_argument(input, arg) do |arg_var|
+          arg_var
+            .if_true do
+              ensure_element_or_attribute(arg_var)
+                .followed_by { block_given? ? yield : arg_var.expanded_name }
+            end
+            .else { string('') }
+        end
+      end
+
       ##
       # Delegates type tests to specific handlers.
       #