Class: RDoc::Markup::ToHtmlCrossref

# File 'lib/rdoc/markup/to_html_crossref.rb', line 24

attr_accessor :show_hash

# File 'lib/rdoc/markup/to_html_crossref.rb', line 231

def convert_tt_crossref(flow_items, index)
  opener = flow_items[index]
  return unless tt_tag?(opener.turn_on)

  string = flow_items[index + 1]
  closer = flow_items[index + 2]

  return unless String === string
  return unless RDoc::Markup::AttrChanger === closer
  return unless tt_tag?(closer.turn_off, true)

  crossref_regexp = @options.hyperlink_all ? ALL_CROSSREF_REGEXP : CROSSREF_REGEXP
  match = crossref_regexp.match(string)
  return unless match
  return unless match.begin(1).zero?

  trailing = match.post_match
  # Only convert when the remainder is punctuation/whitespace so other tt text stays literal.
  return unless trailing.match?(/\A[[:punct:]\s]*\z/)

  text = cross_reference(string)
  return if text == string

  text
end

# File 'lib/rdoc/markup/to_html_crossref.rb', line 61

def cross_reference(name, text = nil, code = true, rdoc_ref: false)
  lookup = name

  name = name[1..-1] unless @show_hash if name[0, 1] == '#'

  if !(name.end_with?('+@', '-@')) and name =~ /(.*[^#:])?@/
    text ||= [CGI.unescape($'), (" at <code>#{$1}</code>" if $~.begin(1))].join("")
    code = false
  else
    text ||= name
  end

  link lookup, text, code, rdoc_ref: rdoc_ref
end

# File 'lib/rdoc/markup/to_html_crossref.rb', line 138

def gen_url(url, text)
  if url =~ /\Ardoc-ref:/
    name = $'
    cross_reference name, text, name == text, rdoc_ref: true
  else
    super
  end
end

# File 'lib/rdoc/markup/to_html_crossref.rb', line 83

def handle_regexp_CROSSREF(target)
  name = target.text

  return name if @options.autolink_excluded_words&.include?(name)

  return name if name =~ /@[\w-]+\.[\w-]/ # labels that look like emails

  unless @hyperlink_all then
    # This ensures that words entirely consisting of lowercase letters will
    # not have cross-references generated (to suppress lots of erroneous
    # cross-references to "new" in text, for instance)
    return name if name =~ /\A[a-z]*\z/
  end

  cross_reference name, rdoc_ref: false
end

# File 'lib/rdoc/markup/to_html_crossref.rb', line 104

def handle_regexp_HYPERLINK(target)
  url = target.text

  case url
  when /\Ardoc-ref:/
    cross_reference $', rdoc_ref: true
  else
    super
  end
end

# File 'lib/rdoc/markup/to_html_crossref.rb', line 123

def handle_regexp_RDOCLINK(target)
  url = target.text

  case url
  when /\Ardoc-ref:/
    cross_reference $', rdoc_ref: true
  else
    super
  end
end

# File 'lib/rdoc/markup/to_html_crossref.rb', line 46

def init_link_notation_regexp_handlings
  add_regexp_handling_RDOCLINK

  # The crossref must be linked before tidylink because Klass.method[:sym]
  # will be processed as a tidylink first and will be broken.
  crossref_re = @options.hyperlink_all ? ALL_CROSSREF_REGEXP : CROSSREF_REGEXP
  @markup.add_regexp_handling crossref_re, :CROSSREF

  add_regexp_handling_TIDYLINK
end

# File 'lib/rdoc/markup/to_html_crossref.rb', line 150

def link(name, text, code = true, rdoc_ref: false)
  if !(name.end_with?('+@', '-@')) and name =~ /(.*[^#:])?@/
    name = $1
    label = $'
  end

  ref = @cross_reference.resolve name, text if name

  case ref
  when String then
    if rdoc_ref && @options.warn_missing_rdoc_ref
      puts "#{@from_path}: `rdoc-ref:#{name}` can't be resolved for `#{text}`"
    end
    ref
  else
    path = ref ? ref.as_href(@from_path) : +""

    if code and RDoc::CodeObject === ref and !(RDoc::TopLevel === ref)
      text = "<code>#{CGI.escapeHTML text}</code>"
    end

    if label
      if path =~ /#/
        path << "-label-#{label}"
      elsif ref&.sections&.any? { |section| label == section.title }
        path << "##{label}"
      elsif ref.respond_to?(:aref)
        path << "##{ref.aref}-label-#{label}"
      else
        path << "#label-#{label}"
      end
    end

    "<a href=\"#{path}\">#{text}</a>"
  end
end