From 7159002aef84c4fe33e6868d0076d97c44b4d6d5 Mon Sep 17 00:00:00 2001
From: Karol <git@koehn.pro>
Date: Tue, 3 Oct 2023 13:43:03 +0200
Subject: [PATCH] filter namespaces to only include new namespaces on each
 node, when generation json

---
 lib/dachsfisch/xml2_json_converter.rb |  2 +-
 spec/support/examples.rb              | 22 +++++++---------------
 2 files changed, 8 insertions(+), 16 deletions(-)

diff --git a/lib/dachsfisch/xml2_json_converter.rb b/lib/dachsfisch/xml2_json_converter.rb
index d57ebb4..490f2e1 100644
--- a/lib/dachsfisch/xml2_json_converter.rb
+++ b/lib/dachsfisch/xml2_json_converter.rb
@@ -77,7 +77,7 @@ def handle_attributes(hash, node)
     end
 
     def add_namespaces_to_active_namespaces(node)
-      node.namespaces.transform_keys {|k| convert_namespace_key(k) }
+      node.namespaces.reject {|k, v| node.parent.namespaces[k] == v }.transform_keys {|k| convert_namespace_key(k) }
     end
 
     def convert_namespace_key(key)
diff --git a/spec/support/examples.rb b/spec/support/examples.rb
index 8d14e1a..893389f 100644
--- a/spec/support/examples.rb
+++ b/spec/support/examples.rb
@@ -160,28 +160,20 @@ def self.xml
     end
   end
 
-  class Example9 < ExampleBase
+  class Example9Modified < ExampleBase
     def self.json
       <<~JSON
         {
           "alice": {
-            "bob": {
-              "$1": "david",
-              "@xmlns": {
-                "charlie": "http://some-other-namespace",
-                "$": "http://some-namespace"
-              }
-            },
-            "charlie:edgar": {
-              "$1": "frank",
-              "@xmlns": {
-                "charlie": "http://some-other-namespace",
-                "$": "http://some-namespace"
-              }
-            },
             "@xmlns": {
               "charlie": "http://some-other-namespace",
               "$": "http://some-namespace"
+            },
+            "bob": {
+              "$1": "david"
+            },
+            "charlie:edgar": {
+              "$1": "frank"
             }
           }
         }