class RDoc::Constant

A constant

Attributes

is_alias_for[W]

Sets the module or class this is constant is an alias for.

name[RW]

The constant's name

value[RW]

The constant's value

visibility[RW]

The constant's visibility

Public Class Methods

new(name, value, comment) click to toggle source

Creates a new constant with name, value and comment

Calls superclass method RDoc::CodeObject.new

# File lib/rdoc/constant.rb, line 31
def initialize(name, value, comment)
  super()

  @name  = name
  @value = value

  @is_alias_for = nil
  @visibility   = nil

  self.comment = comment
end

Public Instance Methods

<=>(other) click to toggle source

Constants are ordered by name

# File lib/rdoc/constant.rb, line 46
def <=> other
  return unless self.class === other

  [parent_name, name] <=> [other.parent_name, other.name]
end

==(other) click to toggle source

Constants are equal when their parent and name is the same

# File lib/rdoc/constant.rb, line 55
def == other
  self.class == other.class and
    @parent == other.parent and
    @name == other.name
end

documented?() click to toggle source

A constant is documented if it has a comment, or is an alias for a documented class or module.

Calls superclass method RDoc::CodeObject#documented?

# File lib/rdoc/constant.rb, line 65
def documented?
  super or is_alias_for && is_alias_for.documented?
end

full_name() click to toggle source

Full constant name including namespace

# File lib/rdoc/constant.rb, line 72
def full_name
  @full_name ||= "#{parent_name}::#{@name}"
end

is_alias_for() click to toggle source

The module or class this constant is an alias for

# File lib/rdoc/constant.rb, line 79
def is_alias_for
  case @is_alias_for
  when String then
    found = @store.find_class_or_module @is_alias_for
    @is_alias_for = found if found
    @is_alias_for
  else
    @is_alias_for
  end
end

marshal_dump() click to toggle source

Dumps this Constant for use by ri. See also marshal_load

# File lib/rdoc/constant.rb, line 100
def marshal_dump
  alias_name = case found = is_alias_for
               when RDoc::CodeObject then found.full_name
               else                       found
               end

  [ MARSHAL_VERSION,
    @name,
    full_name,
    @visibility,
    alias_name,
    parse(@comment),
    @file.relative_name,
    parent.name,
    parent.class,
    section.title,
  ]
end

marshal_load(array) click to toggle source

Loads this Constant from array. For a loaded Constant the following methods will return cached values:

# File lib/rdoc/constant.rb, line 126
def marshal_load array
  initialize array[1], nil, array[5]

  @full_name     = array[2]
  @visibility    = array[3]
  @is_alias_for  = array[4]
  #                      5 handled above
  #                      6 handled below
  @parent_name   = array[7]
  @parent_class  = array[8]
  @section_title = array[9]

  @file = RDoc::TopLevel.new array[6]
end

path() click to toggle source

Path to this constant for use with HTML generator output.

# File lib/rdoc/constant.rb, line 144
def path
  "#{@parent.path}##{@name}"
end

store=(store) click to toggle source

Sets the store for this class or module and its contained code objects.

Calls superclass method

# File lib/rdoc/constant.rb, line 162
def store= store
  super

  @file = @store.add_file @file.full_name if @file
end