1 files changed, 146 insertions, 0 deletions
diff --git a/lib/rubygems/safe_marshal/elements.rb b/lib/rubygems/safe_marshal/elements.rb
new file mode 100644
index 0000000000..f8874b1b2f
--- /dev/null
+++ b/lib/rubygems/safe_marshal/elements.rb
@@ -0,0 +1,146 @@
+# frozen_string_literal: true
+
+module Gem
+  module SafeMarshal
+    module Elements
+      class Element
+      end
+
+      class Symbol < Element
+        def initialize(name)
+          @name = name
+        end
+        attr_reader :name
+      end
+
+      class UserDefined < Element
+        def initialize(name, binary_string)
+          @name = name
+          @binary_string = binary_string
+        end
+
+        attr_reader :name, :binary_string
+      end
+
+      class UserMarshal < Element
+        def initialize(name, data)
+          @name = name
+          @data = data
+        end
+
+        attr_reader :name, :data
+      end
+
+      class String < Element
+        def initialize(str)
+          @str = str
+        end
+
+        attr_reader :str
+      end
+
+      class Hash < Element
+        def initialize(pairs)
+          @pairs = pairs
+        end
+
+        attr_reader :pairs
+      end
+
+      class HashWithDefaultValue < Hash
+        def initialize(pairs, default)
+          super(pairs)
+          @default = default
+        end
+
+        attr_reader :default
+      end
+
+      class Array < Element
+        def initialize(elements)
+          @elements = elements
+        end
+
+        attr_reader :elements
+      end
+
+      class Integer < Element
+        def initialize(int)
+          @int = int
+        end
+
+        attr_reader :int
+      end
+
+      class True < Element
+        def initialize
+        end
+        TRUE = new.freeze
+      end
+
+      class False < Element
+        def initialize
+        end
+
+        FALSE = new.freeze
+      end
+
+      class WithIvars < Element
+        def initialize(object, ivars)
+          @object = object
+          @ivars = ivars
+        end
+
+        attr_reader :object, :ivars
+      end
+
+      class Object < Element
+        def initialize(name)
+          @name = name
+        end
+        attr_reader :name
+      end
+
+      class Nil < Element
+        NIL = new.freeze
+      end
+
+      class ObjectLink < Element
+        def initialize(offset)
+          @offset = offset
+        end
+        attr_reader :offset
+      end
+
+      class SymbolLink < Element
+        def initialize(offset)
+          @offset = offset
+        end
+        attr_reader :offset
+      end
+
+      class Float < Element
+        def initialize(string)
+          @string = string
+        end
+        attr_reader :string
+      end
+
+      class Bignum < Element # rubocop:disable Lint/UnifiedInteger
+        def initialize(sign, data)
+          @sign = sign
+          @data = data
+        end
+        attr_reader :sign, :data
+      end
+
+      class UserClass < Element
+        def initialize(name, wrapped_object)
+          @name = name
+          @wrapped_object = wrapped_object
+        end
+        attr_reader :name, :wrapped_object
+      end
+    end
+  end
+end