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ðŸ“ ..
ðŸ“„ attribute_manager.rb(7.8 KB)
ðŸ“„ blank_line.rb(361 B)
ðŸ“„ document.rb(2.42 KB)
ðŸ“„ formatter.rb(3.3 KB)
ðŸ“„ formatter_test_case.rb(15.71 KB)
ðŸ“„ heading.rb(314 B)
ðŸ“„ indented_paragraph.rb(534 B)
ðŸ“„ inline.rb(2.76 KB)
ðŸ“„ list.rb(1.08 KB)
ðŸ“„ list_item.rb(1.26 KB)
ðŸ“„ paragraph.rb(191 B)
ðŸ“„ parser.rb(12.65 KB)
ðŸ“„ pre_process.rb(6.33 KB)
ðŸ“„ raw.rb(965 B)
ðŸ“„ rule.rb(285 B)
ðŸ“„ text_formatter_test_case.rb(2.53 KB)
ðŸ“„ to_ansi.rb(1.79 KB)
ðŸ“„ to_bs.rb(1.7 KB)
ðŸ“„ to_html.rb(6.66 KB)
ðŸ“„ to_html_crossref.rb(3.34 KB)
ðŸ“„ to_rdoc.rb(5.58 KB)
ðŸ“„ to_test.rb(1.16 KB)
ðŸ“„ to_tt_only.rb(2.11 KB)
ðŸ“„ verbatim.rb(634 B)

Editing: to_rdoc.rb

require 'rdoc/markup/formatter'
require 'rdoc/markup/inline'

##
# Outputs RDoc markup as RDoc markup! (mostly)

class RDoc::Markup::ToRdoc < RDoc::Markup::Formatter

##
  # Current indent amount for output in characters

attr_accessor :indent

##
  # Output width in characters

attr_accessor :width

##
  # Stack of current list indexes for alphabetic and numeric lists

attr_reader :list_index

##
  # Stack of list types

attr_reader :list_type

##
  # Stack of list widths for indentation

attr_reader :list_width

##
  # Prefix for the next list item.  See #use_prefix

attr_reader :prefix

##
  # Output accumulator

attr_reader :res

##
  # Creates a new formatter that will output (mostly) \RDoc markup

def initialize markup = nil
    super

@markup.add_special(/\\\S/, :SUPPRESSED_CROSSREF)
    @width = 78
    init_tags

@headings = {}
    @headings.default = []

@headings[1] = ['= ',      '']
    @headings[2] = ['== ',     '']
    @headings[3] = ['=== ',    '']
    @headings[4] = ['==== ',   '']
    @headings[5] = ['===== ',  '']
    @headings[6] = ['====== ', '']
  end

##
  # Maps attributes to HTML sequences

def init_tags
    add_tag :BOLD, "<b>", "</b>"
    add_tag :TT,   "<tt>", "</tt>"
    add_tag :EM,   "<em>", "</em>"
  end

##
  # Adds +blank_line+ to the output

def accept_blank_line blank_line
    @res << "\n"
  end

##
  # Adds +heading+ to the output

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

##
  # Finishes consumption of +list+

def accept_list_end list
    @list_index.pop
    @list_type.pop
    @list_width.pop
  end

##
  # Finishes consumption of +list_item+

def accept_list_item_end list_item
    width = case @list_type.last
            when :BULLET then
              2
            when :NOTE, :LABEL then
              @res << "\n"
              2
            else
              bullet = @list_index.last.to_s
              @list_index[-1] = @list_index.last.succ
              bullet.length + 2
            end

@indent -= width
  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
      bullet = attributes(list_item.label) + ":\n"
      @prefix = ' ' * @indent
      @indent += 2
      @prefix << bullet + (' ' * @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

##
  # Prepares the visitor for consuming +list+

def accept_list_start list
    case list.type
    when :BULLET then
      @list_index << nil
      @list_width << 1
    when :LABEL, :NOTE then
      @list_index << nil
      @list_width << 2
    when :LALPHA then
      @list_index << 'a'
      @list_width << list.items.length.to_s.length
    when :NUMBER then
      @list_index << 1
      @list_width << list.items.length.to_s.length
    when :UALPHA then
      @list_index << 'A'
      @list_width << list.items.length.to_s.length
    else
      raise RDoc::Error, "invalid list type #{list.type}"
    end

@list_type << list.type
  end

##
  # Adds +paragraph+ to the output

def accept_paragraph paragraph
    wrap attributes(paragraph.text)
  end

##
  # Adds +paragraph+ to the output

def accept_indented_paragraph paragraph
    @indent += paragraph.indent
    wrap attributes(paragraph.text)
    @indent -= paragraph.indent
  end

##
  # Adds +raw+ to the output

def accept_raw raw
    @res << raw.parts.join("\n")
  end

##
  # Adds +rule+ to the output

def accept_rule rule
    use_prefix or @res << ' ' * @indent
    @res << '-' * (@width - @indent)
    @res << "\n"
  end

##
  # Outputs +verbatim+ indented 2 columns

def accept_verbatim verbatim
    indent = ' ' * (@indent + 2)

verbatim.parts.each do |part|
      @res << indent unless part == "\n"
      @res << part
    end

@res << "\n" unless @res =~ /\n\z/
  end

##
  # Applies attribute-specific markup to +text+ using RDoc::AttributeManager

def attributes text
    flow = @am.flow text.dup
    convert_flow flow
  end

##
  # Returns the generated output

def end_accepting
    @res.join
  end

##
  # Removes preceding \\ from the suppressed crossref +special+

def handle_special_SUPPRESSED_CROSSREF special
    text = special.text
    text = text.sub('\\', '') unless in_tt?
    text
  end

##
  # Prepares the visitor for text generation

def start_accepting
    @res = [""]
    @indent = 0
    @prefix = nil

@list_index = []
    @list_type  = []
    @list_width = []
  end

##
  # Adds the stored #prefix to the output and clears it.  Lists generate a
  # prefix for later consumption.

def use_prefix
    prefix = @prefix
    @prefix = nil
    @res << prefix if prefix

prefix
  end

##
  # Wraps +text+ to #width

def wrap text
    return unless text && !text.empty?

text_len = @width - @indent

text_len = 20 if text_len < 20

re = /^(.{0,#{text_len}})[ \n]/
    next_prefix = ' ' * @indent

prefix = @prefix || next_prefix
    @prefix = nil

@res << prefix

while text.length > text_len
      if text =~ re then
        @res << $1
        text.slice!(0, $&.length)
      else
        @res << text.slice!(0, text_len)
      end

@res << "\n" << next_prefix
    end

if text.empty? then
      @res.pop
      @res.pop
    else
      @res << text
      @res << "\n"
    end
  end

end

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Editing: to_rdoc.rb

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