Class: RDoc::Markup::ToTableOfContents (Ruby 2.3.4)

In Files

  • rdoc/markup/to_table_of_contents.rb

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RDoc::Markup::ToTableOfContents

frozen_string_literal: false

Extracts just the RDoc::Markup::Heading elements from a RDoc::Markup::Document to help build a table of contents

Attributes

omit_headings_below[RW]

Omits headings with a level less than the given level.

res[R]

Output accumulator

Public Class Methods

to_toc()

Singleton for table-of-contents generation

 
               # File rdoc/markup/to_table_of_contents.rb, line 13
def self.to_toc
  @to_toc ||= new
end
            

Public Instance Methods

accept_document(document)

Adds document to the output, using its heading cutoff if present

 
               # File rdoc/markup/to_table_of_contents.rb, line 36
def accept_document document
  @omit_headings_below = document.omit_headings_below

  super
end
            
accept_heading(heading)

Adds heading to the table of contents

 
               # File rdoc/markup/to_table_of_contents.rb, line 45
def accept_heading heading
  @res << heading unless suppressed? heading
end
            
end_accepting()

Returns the table of contents

 
               # File rdoc/markup/to_table_of_contents.rb, line 52
def end_accepting
  @res
end
            
start_accepting()

Prepares the visitor for text generation

 
               # File rdoc/markup/to_table_of_contents.rb, line 59
def start_accepting
  @omit_headings_below = nil
  @res = []
end
            
suppressed?(heading)

Returns true if heading is below the display threshold

 
               # File rdoc/markup/to_table_of_contents.rb, line 67
def suppressed? heading
  return false unless @omit_headings_below

  heading.level > @omit_headings_below
end