Reject objects with duplicate keys.

2025-12-06 17:27:52 +00:00 · 2013-04-13 21:53:35 -07:00
parent b7484e9264
commit 1058df99ea
1 changed files with 5 additions and 0 deletions
--- a/src/cpp/json/json_reader.cpp
+++ b/src/cpp/json/json_reader.cpp
@@ -505,6 +505,11 @@ Reader::readObject( Token &tokenStart )
                                    colon, 
                                    tokenObjectEnd );
      }
+
+      // Reject duplicate names
+      if (currentValue().isMember(name))
+        return addError( "Key '" + name + "' appears twice.", tokenName );
+
      Value &value = currentValue()[ name ];
      nodes_.push( &value );
      bool ok = readValue();