JezK
Edit File: code_object.rb
# frozen_string_literal: false ## # Base class for the RDoc code tree. # # We contain the common stuff for contexts (which are containers) and other # elements (methods, attributes and so on) # # Here's the tree of the CodeObject subclasses: # # * RDoc::Context # * RDoc::TopLevel # * RDoc::ClassModule # * RDoc::AnonClass (never used so far) # * RDoc::NormalClass # * RDoc::NormalModule # * RDoc::SingleClass # * RDoc::MethodAttr # * RDoc::Attr # * RDoc::AnyMethod # * RDoc::GhostMethod # * RDoc::MetaMethod # * RDoc::Alias # * RDoc::Constant # * RDoc::Mixin # * RDoc::Require # * RDoc::Include class RDoc::CodeObject include RDoc::Text ## # Our comment attr_reader :comment ## # Do we document our children? attr_reader :document_children ## # Do we document ourselves? attr_reader :document_self ## # Are we done documenting (ie, did we come across a :enddoc:)? attr_reader :done_documenting ## # Which file this code object was defined in attr_reader :file ## # Force documentation of this CodeObject attr_reader :force_documentation ## # Line in #file where this CodeObject was defined attr_accessor :line ## # Hash of arbitrary metadata for this CodeObject attr_reader :metadata ## # Offset in #file where this CodeObject was defined #-- # TODO character or byte? attr_accessor :offset ## # Sets the parent CodeObject attr_writer :parent ## # Did we ever receive a +:nodoc:+ directive? attr_reader :received_nodoc ## # Set the section this CodeObject is in attr_writer :section ## # The RDoc::Store for this object. attr_reader :store ## # We are the model of the code, but we know that at some point we will be # worked on by viewers. By implementing the Viewable protocol, viewers can # associated themselves with these objects. attr_accessor :viewer ## # Creates a new CodeObject that will document itself and its children def initialize @metadata = {} @comment = '' @parent = nil @parent_name = nil # for loading @parent_class = nil # for loading @section = nil @section_title = nil # for loading @file = nil @full_name = nil @store = nil @track_visibility = true initialize_visibility end ## # Initializes state for visibility of this CodeObject and its children. def initialize_visibility # :nodoc: @document_children = true @document_self = true @done_documenting = false @force_documentation = false @received_nodoc = false @ignored = false @suppressed = false @track_visibility = true end ## # Replaces our comment with +comment+, unless it is empty. def comment=(comment) @comment = case comment when NilClass then '' when RDoc::Markup::Document then comment when RDoc::Comment then comment.normalize else if comment and not comment.empty? then normalize_comment comment else # HACK correct fix is to have #initialize create @comment # with the correct encoding if String === @comment and Object.const_defined? :Encoding and @comment.empty? then @comment.force_encoding comment.encoding end @comment end end end ## # Should this CodeObject be displayed in output? # # A code object should be displayed if: # # * The item didn't have a nodoc or wasn't in a container that had nodoc # * The item wasn't ignored # * The item has documentation and was not suppressed def display? @document_self and not @ignored and (documented? or not @suppressed) end ## # Enables or disables documentation of this CodeObject's children unless it # has been turned off by :enddoc: def document_children=(document_children) return unless @track_visibility @document_children = document_children unless @done_documenting end ## # Enables or disables documentation of this CodeObject unless it has been # turned off by :enddoc:. If the argument is +nil+ it means the # documentation is turned off by +:nodoc:+. def document_self=(document_self) return unless @track_visibility return if @done_documenting @document_self = document_self @received_nodoc = true if document_self.nil? end ## # Does this object have a comment with content or is #received_nodoc true? def documented? @received_nodoc or !@comment.empty? end ## # Turns documentation on/off, and turns on/off #document_self # and #document_children. # # Once documentation has been turned off (by +:enddoc:+), # the object will refuse to turn #document_self or # #document_children on, so +:doc:+ and +:start_doc:+ directives # will have no effect in the current file. def done_documenting=(value) return unless @track_visibility @done_documenting = value @document_self = !value @document_children = @document_self end ## # Yields each parent of this CodeObject. See also # RDoc::ClassModule#each_ancestor def each_parent code_object = self while code_object = code_object.parent do yield code_object end self end ## # File name where this CodeObject was found. # # See also RDoc::Context#in_files def file_name return unless @file @file.absolute_name end ## # Force the documentation of this object unless documentation # has been turned off by :enddoc: #-- # HACK untested, was assigning to an ivar def force_documentation=(value) @force_documentation = value unless @done_documenting end ## # Sets the full_name overriding any computed full name. # # Set to +nil+ to clear RDoc's cached value def full_name= full_name @full_name = full_name end ## # Use this to ignore a CodeObject and all its children until found again # (#record_location is called). An ignored item will not be displayed in # documentation. # # See github issue #55 # # The ignored status is temporary in order to allow implementation details # to be hidden. At the end of processing a file RDoc allows all classes # and modules to add new documentation to previously created classes. # # If a class was ignored (via stopdoc) then reopened later with additional # documentation it should be displayed. If a class was ignored and never # reopened it should not be displayed. The ignore flag allows this to # occur. def ignore return unless @track_visibility @ignored = true stop_doc end ## # Has this class been ignored? # # See also #ignore def ignored? @ignored end ## # The options instance from the store this CodeObject is attached to, or a # default options instance if the CodeObject is not attached. # # This is used by Text#snippet def options if @store and @store.rdoc then @store.rdoc.options else RDoc::Options.new end end ## # Our parent CodeObject. The parent may be missing for classes loaded from # legacy RI data stores. def parent return @parent if @parent return nil unless @parent_name if @parent_class == RDoc::TopLevel then @parent = @store.add_file @parent_name else @parent = @store.find_class_or_module @parent_name return @parent if @parent begin @parent = @store.load_class @parent_name rescue RDoc::Store::MissingFileError nil end end end ## # File name of our parent def parent_file_name @parent ? @parent.base_name : '(unknown)' end ## # Name of our parent def parent_name @parent ? @parent.full_name : '(unknown)' end ## # Records the RDoc::TopLevel (file) where this code object was defined def record_location top_level @ignored = false @suppressed = false @file = top_level end ## # The section this CodeObject is in. Sections allow grouping of constants, # attributes and methods inside a class or module. def section return @section if @section @section = parent.add_section @section_title if parent end ## # Enable capture of documentation unless documentation has been # turned off by :enddoc: def start_doc return if @done_documenting @document_self = true @document_children = true @ignored = false @suppressed = false end ## # Disable capture of documentation def stop_doc return unless @track_visibility @document_self = false @document_children = false end ## # Sets the +store+ that contains this CodeObject def store= store @store = store return unless @track_visibility if :nodoc == options.visibility then initialize_visibility @track_visibility = false end end ## # Use this to suppress a CodeObject and all its children until the next file # it is seen in or documentation is discovered. A suppressed item with # documentation will be displayed while an ignored item with documentation # may not be displayed. def suppress return unless @track_visibility @suppressed = true stop_doc end ## # Has this class been suppressed? # # See also #suppress def suppressed? @suppressed end end