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EDIT :: to_ansi.rb

# frozen_string_literal: true ## # Outputs RDoc markup with vibrant ANSI color! class RDoc::Markup::ToAnsi < RDoc::Markup::ToRdoc ## # Creates a new ToAnsi visitor that is ready to output vibrant ANSI color! def initialize markup = nil super @headings.clear @headings[1] = ["\e[1;32m", "\e[m"] # bold @headings[2] = ["\e[4;32m", "\e[m"] # underline @headings[3] = ["\e[32m", "\e[m"] # just green end ## # Maps attributes to ANSI sequences def init_tags add_tag :BOLD, "\e[1m", "\e[m" add_tag :TT, "\e[7m", "\e[m" add_tag :EM, "\e[4m", "\e[m" end ## # Overrides indent width to ensure output lines up correctly. def accept_list_item_end list_item width = case @list_type.last when :BULLET then 2 when :NOTE, :LABEL then if @prefix then @res << @prefix.strip @prefix = nil end @res << "\n" unless res.length == 1 2 else bullet = @list_index.last.to_s @list_index[-1] = @list_index.last.succ bullet.length + 2 end @indent -= width end ## # Adds coloring to note and label list items def accept_list_item_start list_item bullet = case @list_type.last when :BULLET then '*' when :NOTE, :LABEL then labels = Array(list_item.label).map do |label| attributes(label).strip end.join "\n" labels << ":\n" unless labels.empty? labels else @list_index.last.to_s + '.' end case @list_type.last when :NOTE, :LABEL then @indent += 2 @prefix = bullet + (' ' * @indent) else @prefix = (' ' * @indent) + bullet.ljust(bullet.length + 1) width = bullet.gsub(/\e\[[\d;]*m/, '').length + 1 @indent += width end end ## # Starts accepting with a reset screen def start_accepting super @res = ["\e[0m"] end end

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