lib/rack/multipart.rb in rack-3.0.4.2 vs lib/rack/multipart.rb in rack-3.0.5

@@ -11,9 +11,34 @@
   #
   # Usually, Rack::Request#POST takes care of calling this.
   module Multipart
     MULTIPART_BOUNDARY = "AaB03x"
 
+    # Accumulator for multipart form data, conforming to the QueryParser API.
+    # In future, the Parser could return the pair list directly, but that would
+    # change its API.
+    class ParamList # :nodoc:
+      def self.make_params
+        new
+      end
+
+      def self.normalize_params(params, key, value)
+        params << [key, value]
+      end
+
+      def initialize
+        @pairs = []
+      end
+
+      def <<(pair)
+        @pairs << pair
+      end
+
+      def to_params_hash
+        @pairs
+      end
+    end
+
     class << self
       def parse_multipart(env, params = Rack::Utils.default_query_parser)
         io = env[RACK_INPUT]
 
         if content_length = env['CONTENT_LENGTH']