From b537823f3d1f7ad0eb4f05b68b21a3c9a0a0d295 Mon Sep 17 00:00:00 2001
From: kou <kou@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 4 Apr 2018 03:27:20 +0000
Subject: rexml: Fix a XPath bug of @attribute/parent

[Bug #14600]

* lib/rexml/functions.rb: Fix a bug that "@attribute/parent" doesn't
  return element of its attribute.

* test/rexml/test_jaxen.rb: Enable more tests.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63083 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rexml/xpath_parser.rb | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'lib/rexml/xpath_parser.rb')

diff --git a/lib/rexml/xpath_parser.rb b/lib/rexml/xpath_parser.rb
index 6a32a06440..cab32b3a37 100644
--- a/lib/rexml/xpath_parser.rb
+++ b/lib/rexml/xpath_parser.rb
@@ -236,8 +236,16 @@ module REXML
           nodeset = new_nodeset
 
         when :parent
-          nodeset = nodeset.collect{|n| n.parent}.compact
-          #nodeset = expr(path_stack.dclone, nodeset.collect{|n| n.parent}.compact)
+          new_nodeset = []
+          nodeset.each do |node|
+            if node.is_a?(Attribute)
+              parent = node.element
+            else
+              parent = node.parent
+            end
+            new_nodeset << parent if parent
+          end
+          nodeset = new_nodeset
           node_types = ELEMENTS
 
         when :ancestor
-- 
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