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opt / alt / ruby34 / share / gems / gems / rdoc-6.14.0 / lib / rdoc / markup /

?? ..
?? attr_changer.rb(423 B)
?? attr_span.rb(671 B)
?? attribute_manager.rb(10.05 KB)
?? attributes.rb(1.25 KB)
?? blank_line.rb(392 B)
?? block_quote.rb(252 B)
?? document.rb(3.16 KB)
?? formatter.rb(5.63 KB)
?? hard_break.rb(448 B)
?? heading.rb(1.59 KB)
?? include.rb(831 B)
?? indented_paragraph.rb(908 B)
?? list.rb(1.82 KB)
?? list_item.rb(1.72 KB)
?? paragraph.rb(494 B)
?? parser.rb(14.5 KB)
?? pre_process.rb(9.26 KB)
?? raw.rb(1004 B)
?? regexp_handling.rb(717 B)
?? rule.rb(316 B)
?? table.rb(1.12 KB)
?? to_ansi.rb(2.05 KB)
?? to_bs.rb(2.26 KB)
?? to_html.rb(10.59 KB)
?? to_html_crossref.rb(6.36 KB)
?? to_html_snippet.rb(5.52 KB)
?? to_joined_paragraph.rb(1.13 KB)
?? to_label.rb(1.84 KB)
?? to_markdown.rb(3.65 KB)
?? to_rdoc.rb(6.79 KB)
?? to_table_of_contents.rb(1.72 KB)
?? to_test.rb(1.14 KB)
?? to_tt_only.rb(2.29 KB)
?? verbatim.rb(1.29 KB)

Editing: to_bs.rb

# frozen_string_literal: true
##
# Outputs RDoc markup with hot backspace action!  You will probably need a
# pager to use this output format.
#
# This formatter won't work on 1.8.6 because it lacks String#chars.

class RDoc::Markup::ToBs < RDoc::Markup::ToRdoc

##
  # Returns a new ToBs that is ready for hot backspace action!

def initialize(markup = nil)
    super

@in_b  = false
    @in_em = false
  end

##
  # Sets a flag that is picked up by #annotate to do the right thing in
  # #convert_string

def init_tags
    add_tag :BOLD, '+b', '-b'
    add_tag :EM,   '+_', '-_'
    add_tag :TT,   '', ''   # we need in_tt information maintained
  end

##
  # Makes heading text bold.

def accept_heading(heading)
    use_prefix or @res << ' ' * @indent
    @res << @headings[heading.level][0]
    @in_b = true
    @res << attributes(heading.text)
    @in_b = false
    @res << @headings[heading.level][1]
    @res << "\n"
  end

##
  # Prepares the visitor for consuming +list_item+

def accept_list_item_start(list_item)
    type = @list_type.last

case type
    when :NOTE, :LABEL then
      bullets = Array(list_item.label).map do |label|
        attributes(label).strip
      end.join "\n"

bullets << ":\n" unless bullets.empty?

@prefix = ' ' * @indent
      @indent += 2
      @prefix << bullets + (' ' * @indent)
    else
      bullet = type == :BULLET ? '*' :  @list_index.last.to_s + '.'
      @prefix = (' ' * @indent) + bullet.ljust(bullet.length + 1)
      width = bullet.length + 1
      @indent += width
    end
  end

##
  # Turns on or off regexp handling for +convert_string+

def annotate(tag)
    case tag
    when '+b' then @in_b = true
    when '-b' then @in_b = false
    when '+_' then @in_em = true
    when '-_' then @in_em = false
    end
    ''
  end

##
  # Calls convert_string on the result of convert_regexp_handling

def convert_regexp_handling(target)
    convert_string super
  end

##
  # Adds bold or underline mixed with backspaces

def convert_string(string)
    return string unless @in_b or @in_em
    chars = if @in_b then
              string.chars.map do |char| "#{char}\b#{char}" end
            elsif @in_em then
              string.chars.map do |char| "_\b#{char}" end
            end

chars.join
  end

end

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Editing: to_bs.rb

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