Froze rails gems

[depot.git] / vendor / rails / activesupport / lib / active_support / core_ext / module / attr_internal.rb

diff --git a/vendor/rails/activesupport/lib/active_support/core_ext/module/attr_internal.rb b/vendor/rails/activesupport/lib/active_support/core_ext/module/attr_internal.rb
new file mode 100644 (file)
index 0000000..b66c0d7
--- /dev/null
+++ b/vendor/rails/activesupport/lib/active_support/core_ext/module/attr_internal.rb
@@ -0,0 +1,32 @@
+class Module
+  # Declares an attribute reader backed by an internally-named instance variable.
+  def attr_internal_reader(*attrs)
+    attrs.each do |attr|
+      module_eval "def #{attr}() #{attr_internal_ivar_name(attr)} end"
+    end
+  end
+
+  # Declares an attribute writer backed by an internally-named instance variable.
+  def attr_internal_writer(*attrs)
+    attrs.each do |attr|
+      module_eval "def #{attr}=(v) #{attr_internal_ivar_name(attr)} = v end"
+    end
+  end
+
+  # Declares an attribute reader and writer backed by an internally-named instance
+  # variable.
+  def attr_internal_accessor(*attrs)
+    attr_internal_reader(*attrs)
+    attr_internal_writer(*attrs)
+  end
+
+  alias_method :attr_internal, :attr_internal_accessor
+
+  private
+    mattr_accessor :attr_internal_naming_format
+    self.attr_internal_naming_format = '@_%s'
+
+    def attr_internal_ivar_name(attr)
+      attr_internal_naming_format % attr
+    end
+end