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

Methods
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E
S
T
Attributes
[RW] omit_headings_below

Omits headings with a level less than the given level.
[R] res

Output accumulator
Class Public methods
to_toc()

Singleton for table-of-contents generation

Source: show | on GitHub 

# File lib/rdoc/markup/to_table_of_contents.rb, line 12
def self.to_toc
  @to_toc ||= new
end
Instance Public methods
accept_document(document)

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

Source: show | on GitHub 

# File lib/rdoc/markup/to_table_of_contents.rb, line 35
def accept_document document
  @omit_headings_below = document.omit_headings_below

  super
end
accept_heading(heading)

Adds heading to the table of contents

Source: show | on GitHub 

# File lib/rdoc/markup/to_table_of_contents.rb, line 44
def accept_heading heading
  @res << heading unless suppressed? heading
end
end_accepting()

Returns the table of contents

Source: show | on GitHub 

# File lib/rdoc/markup/to_table_of_contents.rb, line 51
def end_accepting
  @res
end
start_accepting()

Prepares the visitor for text generation

Source: show | on GitHub 

# File lib/rdoc/markup/to_table_of_contents.rb, line 58
def start_accepting
  @omit_headings_below = nil
  @res = []
end
suppressed?(heading)

Returns true if heading is below the display threshold

Source: show | on GitHub 

# File lib/rdoc/markup/to_table_of_contents.rb, line 66
def suppressed? heading
  return false unless @omit_headings_below

  heading.level > @omit_headings_below
end