1 files changed, 86 insertions, 0 deletions
diff --git a/ruby_1_9_3/lib/rdoc/constant.rb b/ruby_1_9_3/lib/rdoc/constant.rb
new file mode 100644
index 0000000000..056ce130be
--- /dev/null
+++ b/ruby_1_9_3/lib/rdoc/constant.rb
@@ -0,0 +1,86 @@
+require 'rdoc/code_object'
+
+##
+# A constant
+
+class RDoc::Constant < RDoc::CodeObject
+
+  ##
+  # If this constant is an alias for a module or class,
+  # this is the RDoc::ClassModule it is an alias for.
+  # +nil+ otherwise.
+
+  attr_accessor :is_alias_for
+
+  ##
+  # The constant's name
+
+  attr_accessor :name
+
+  ##
+  # The constant's value
+
+  attr_accessor :value
+
+  ##
+  # Creates a new constant with +name+, +value+ and +comment+
+
+  def initialize(name, value, comment)
+    super()
+    @name = name
+    @value = value
+    @is_alias_for = nil
+    self.comment = comment
+  end
+
+  ##
+  # Constants are ordered by name
+
+  def <=> other
+    return unless self.class === other
+
+    [parent_name, name] <=> [other.parent_name, other.name]
+  end
+
+  ##
+  # Constants are equal when their #parent and #name is the same
+
+  def == other
+    self.class == other.class and
+      @parent == other.parent and
+      @name == other.name
+  end
+
+  ##
+  # A constant is documented if it has a comment, or is an alias
+  # for a documented class or module.
+
+  def documented?
+    super or is_alias_for && is_alias_for.documented?
+  end
+
+  def inspect # :nodoc:
+    "#<%s:0x%x %s::%s>" % [
+      self.class, object_id,
+      parent_name, @name,
+    ]
+  end
+
+  ##
+  # Path to this constant
+
+  def path
+    "#{@parent.path}##{@name}"
+  end
+
+  def to_s # :nodoc:
+    parent_name = parent ? parent.full_name : '(unknown)'
+    if is_alias_for
+      "constant #{parent_name}::#@name -> #{is_alias_for}"
+    else
+      "constant #{parent_name}::#@name"
+    end
+  end
+
+end
+