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

##
  # 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

docroot: /home/induvedam/public_html

curdir: /opt/alt/ruby27/share/gems/gems/rdoc-6.2.1.1/lib/rdoc/markup

	.	4096
	..	4096
X	attr_changer.rb	424
X	attr_span.rb	500
X	attribute_manager.rb	8306
X	attributes.rb	1277
X	blank_line.rb	391
X	block_quote.rb	252
X	document.rb	3224
X	formatter.rb	5577
X	hard_break.rb	446
X	heading.rb	1520
X	include.rb	829
X	indented_paragraph.rb	906
X	list.rb	1861
X	list_item.rb	1754
X	paragraph.rb	493
X	parser.rb	14477
X	pre_process.rb	8519
X	raw.rb	1000
X	regexp_handling.rb	718
X	rule.rb	315
X	to_ansi.rb	2102
X	to_bs.rb	1683
X	to_html.rb	8865
X	to_html_crossref.rb	4644
X	to_html_snippet.rb	5593
X	to_joined_paragraph.rb	1125
X	to_label.rb	1878
X	to_markdown.rb	3692
X	to_rdoc.rb	6275
X	to_table_of_contents.rb	1719
X	to_test.rb	1166
X	to_tt_only.rb	2334
X	verbatim.rb	1315