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File Content: `to_table_of_contents.rb`

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

class RDoc::Markup::ToTableOfContents < RDoc::Markup::Formatter

  @to_toc = nil

  ##
  # Singleton for table-of-contents generation

  def self.to_toc
    @to_toc ||= new
  end

  ##
  # Output accumulator

  attr_reader :res

  ##
  # Omits headings with a level less than the given level.

  attr_accessor :omit_headings_below

  def initialize # :nodoc:
    super nil

    @omit_headings_below = nil
  end

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

  def accept_document document
    @omit_headings_below = document.omit_headings_below

    super
  end

  ##
  # Adds +heading+ to the table of contents

  def accept_heading heading
    @res << heading unless suppressed? heading
  end

  ##
  # Returns the table of contents

  def end_accepting
    @res
  end

  ##
  # Prepares the visitor for text generation

  def start_accepting
    @omit_headings_below = nil
    @res = []
  end

  ##
  # Returns true if +heading+ is below the display threshold

  def suppressed? heading
    return false unless @omit_headings_below

    heading.level > @omit_headings_below
  end

  # :stopdoc:
  alias accept_block_quote     ignore
  alias accept_raw             ignore
  alias accept_rule            ignore
  alias accept_blank_line      ignore
  alias accept_paragraph       ignore
  alias accept_verbatim        ignore
  alias accept_list_end        ignore
  alias accept_list_item_start ignore
  alias accept_list_item_end   ignore
  alias accept_list_end_bullet ignore
  alias accept_list_start      ignore
  # :startdoc:

end

Name	Size	Permission
attr_changer.rb	424 bytes	0644
attr_span.rb	500 bytes	0644
attribute_manager.rb	8136 bytes	0644
attributes.rb	1214 bytes	0644
blank_line.rb	391 bytes	0644
block_quote.rb	252 bytes	0644
document.rb	3224 bytes	0644
formatter.rb	5442 bytes	0644
formatter_test_case.rb	17158 bytes	0644
hard_break.rb	446 bytes	0644
heading.rb	1515 bytes	0644
include.rb	829 bytes	0644
indented_paragraph.rb	906 bytes	0644
inline.rb	118 bytes	0644
list.rb	1861 bytes	0644
list_item.rb	1754 bytes	0644
paragraph.rb	493 bytes	0644
parser.rb	14049 bytes	0644
pre_process.rb	8461 bytes	0644
raw.rb	1000 bytes	0644
rule.rb	315 bytes	0644
special.rb	657 bytes	0644
text_formatter_test_case.rb	2575 bytes	0644
to_ansi.rb	2102 bytes	0644
to_bs.rb	1669 bytes	0644
to_html.rb	8827 bytes	0644
to_html_crossref.rb	4429 bytes	0644
to_html_snippet.rb	5582 bytes	0644
to_joined_paragraph.rb	1125 bytes	0644
to_label.rb	1870 bytes	0644
to_markdown.rb	3706 bytes	0644
to_rdoc.rb	6295 bytes	0644
to_table_of_contents.rb	1719 bytes	0644
to_test.rb	1166 bytes	0644
to_tt_only.rb	2319 bytes	0644
verbatim.rb	1315 bytes	0644

File Content: to_table_of_contents.rb

File Content: `to_table_of_contents.rb`