require 'rdoc/method_attr' ## # An attribute created by \#attr, \#attr_reader, \#attr_writer or # \#attr_accessor class RDoc::Attr < RDoc::MethodAttr MARSHAL_VERSION = 2 # :nodoc: ## # Is the attribute readable ('R'), writable ('W') or both ('RW')? attr_accessor :rw ## # Creates a new Attr with body +text+, +name+, read/write status +rw+ and # +comment+. +singleton+ marks this as a class attribute. def initialize(text, name, rw, comment, singleton = false) super text, name @rw = rw @singleton = singleton self.comment = comment end ## # Attributes are equal when their names, singleton and rw are identical def == other self.class == other.class and self.name == other.name and self.rw == other.rw and self.singleton == other.singleton end ## # Add +an_alias+ as an attribute in +context+. def add_alias(an_alias, context) new_attr = self.class.new(self.text, an_alias.new_name, self.rw, self.comment, self.singleton) new_attr.record_location an_alias.file new_attr.visibility = self.visibility new_attr.is_alias_for = self @aliases << new_attr context.add_attribute new_attr new_attr end ## # The #aref prefix for attributes def aref_prefix 'attribute' end ## # Returns attr_reader, attr_writer or attr_accessor as appropriate. def definition case @rw when 'RW' then 'attr_accessor' when 'R' then 'attr_reader' when 'W' then 'attr_writer' end end def inspect # :nodoc: alias_for = @is_alias_for ? " (alias for #{@is_alias_for.name})" : nil visibility = self.visibility visibility = "forced #{visibility}" if force_documentation "#<%s:0x%x %s %s (%s)%s>" % [ self.class, object_id, full_name, rw, visibility, alias_for, ] end ## # Dumps this Attr for use by ri. See also #marshal_load def marshal_dump [ MARSHAL_VERSION, @name, full_name, @rw, @visibility, parse(@comment), singleton, @file.absolute_name, ] end ## # Loads this Attr from +array+. For a loaded Attr the following # methods will return cached values: # # * #full_name # * #parent_name def marshal_load array version = array[0] @name = array[1] @full_name = array[2] @rw = array[3] @visibility = array[4] @comment = array[5] @singleton = array[6] || false # MARSHAL_VERSION == 0 @file = RDoc::TopLevel.new array[7] if version > 1 @parent_name = @full_name end def pretty_print q # :nodoc: q.group 2, "[#{self.class.name} #{full_name} #{rw} #{visibility}", "]" do unless comment.empty? then q.breakable q.text "comment:" q.breakable q.pp @comment end end end def to_s # :nodoc: "#{definition} #{name} in: #{parent}" end end