workaround for bug in REXML xpath impl

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@702258 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 8 insertions, 1 deletions

diff --git a/cpp/rubygen/amqpgen.rb b/cpp/rubygen/amqpgen.rb
index 04c840ea97..80542ebc77 100755
--- a/cpp/rubygen/amqpgen.rb
+++ b/cpp/rubygen/amqpgen.rb
@@ -333,7 +333,14 @@ class AmqpAction < AmqpElement
   def initialize(xml,amqp) super; end
   amqp_child_reader :implement, :field, :response
   amqp_attr_reader :code
-  def implement?(role) xml.elements["./implement[@role='#{role}']"] end
+  def implement?(role)
+    # we can't use xpath for this because it triggers a bug in some
+    # versions of ruby, including version 1.8.6.110
+    xml.elements.each {|el|
+      return true if el.name == "implement" and el.attributes["role"] == role
+    }
+    return false
+  end
   def received_by?(client_or_server)
     return (implement?(client_or_server) or implement?("sender") or implement?("receiver"))
   end