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  • rdoc/markup/to_html.rb

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RDoc::Markup::ToHtml

Outputs RDoc markup as HTML.

Public Class Methods

new(options, markup = nil) click to toggle source

Creates a new formatter that will output HTML

 
               # File rdoc/markup/to_html.rb, line 44
def initialize options, markup = nil
  super

  @code_object = nil
  @from_path = ''
  @in_list_entry = nil
  @list = nil
  @th = nil
  @hard_break = "<br>\n"

  # external links
  @markup.add_special(/(?:link:|https?:|mailto:|ftp:|irc:|www\.)\S+\w/,
                      :HYPERLINK)

  add_special_RDOCLINK
  add_special_TIDYLINK

  init_tags
end
            

Special Handling ↑ top

Public Instance Methods

handle_special_HARD_BREAK(special) click to toggle source

special is a

 
               # File rdoc/markup/to_html.rb, line 95
def handle_special_HARD_BREAK special
  '<br>'
end
            

Utilities ↑ top

Constants

LIST_TYPE_TO_HTML

Maps RDoc::Markup::Parser::LIST_TOKENS types to HTML tags

Attributes

code_object[RW]

The RDoc::CodeObject HTML is being generated for. This is used to generate namespaced URI fragments

from_path[RW]

Path to this document for relative links

Public Instance Methods

convert_string(text) click to toggle source

CGI-escapes text

 
               # File rdoc/markup/to_html.rb, line 306
def convert_string(text)
  CGI.escapeHTML text
end
            
gen_url(url, text) click to toggle source

Generate a link to url with content text. Handles the special cases for img: and link: described under #handle_special_HYPERLINK

 
               # File rdoc/markup/to_html.rb, line 314
def gen_url url, text
  scheme, url, id = parse_url url

  if %w[http https link].include?(scheme) and
     url =~ /\.(gif|png|jpg|jpeg|bmp)$/ then
    "<img src=\"#{url}\" />"
  else
    text = text.sub %r^#{scheme}:/*%, ''
    text = text.sub %r^[*\^](\d+)$%,   '\1'

    link = "<a#{id} href=\"#{url}\">#{text}</a>"

    link = "<sup>#{link}</sup>" if /"foot/ =~ id

    link
  end
end
            
html_list_name(list_type, open_tag) click to toggle source

Determines the HTML list element for list_type and open_tag

 
               # File rdoc/markup/to_html.rb, line 335
def html_list_name(list_type, open_tag)
  tags = LIST_TYPE_TO_HTML[list_type]
  raise RDoc::Error, "Invalid list type: #{list_type.inspect}" unless tags
  tags[open_tag ? 0 : 1]
end
            
init_tags() click to toggle source

Maps attributes to HTML tags

 
               # File rdoc/markup/to_html.rb, line 344
def init_tags
  add_tag :BOLD, "<strong>", "</strong>"
  add_tag :TT,   "<code>",   "</code>"
  add_tag :EM,   "<em>",     "</em>"
end
            
list_end_for(list_type) click to toggle source

Returns the HTML end-tag for list_type

 
               # File rdoc/markup/to_html.rb, line 370
def list_end_for(list_type)
  case list_type
  when :BULLET, :LALPHA, :NUMBER, :UALPHA then
    "</li>"
  when :LABEL, :NOTE then
    "</dd>"
  else
    raise RDoc::Error, "Invalid list type: #{list_type.inspect}"
  end
end
            
list_item_start(list_item, list_type) click to toggle source

Returns the HTML tag for list_type, possible using a label from list_item

 
               # File rdoc/markup/to_html.rb, line 354
def list_item_start(list_item, list_type)
  case list_type
  when :BULLET, :LALPHA, :NUMBER, :UALPHA then
    "<li>"
  when :LABEL, :NOTE then
    Array(list_item.label).map do |label|
      "<dt>#{to_html label}\n"
    end.join << "<dd>"
  else
    raise RDoc::Error, "Invalid list type: #{list_type.inspect}"
  end
end
            
parseable?(text) click to toggle source

Returns true if Ripper is available it can create a sexp from text

 
               # File rdoc/markup/to_html.rb, line 384
def parseable? text
  text =~ /\b(def|class|module|require) |=>|\{\s?\||do \|/ and
    text !~ /<%|%>/
end
            
to_html(item) click to toggle source

Converts item to HTML using RDoc::Text#to_html

 
               # File rdoc/markup/to_html.rb, line 392
def to_html item
  super convert_flow @am.flow item
end
            

Visitor ↑ top

Public Instance Methods

accept_blank_line(blank_line) click to toggle source

Adds blank_line to the output

 
               # File rdoc/markup/to_html.rb, line 268
def accept_blank_line(blank_line)
  # @res << annotate("<p />") << "\n"
end
            
accept_block_quote(block_quote) click to toggle source

Adds block_quote to the output

 
               # File rdoc/markup/to_html.rb, line 171
def accept_block_quote block_quote
  @res << "\n<blockquote>"

  block_quote.parts.each do |part|
    part.accept self
  end

  @res << "</blockquote>\n"
end
            
accept_heading(heading) click to toggle source

Adds heading to the output. The headings greater than 6 are trimmed to level 6.

 
               # File rdoc/markup/to_html.rb, line 276
def accept_heading heading
  level = [6, heading.level].min

  label = heading.label @code_object

  @res << if @options.output_decoration
            "\n<h#{level} id=\"#{label}\">"
          else
            "\n<h#{level}>"
          end
  @res << to_html(heading.text)
  unless @options.pipe then
    @res << "<span><a href=\"##{label}\">&para;</a>"
    @res << " <a href=\"#documentation\">&uarr;</a></span>"
  end
  @res << "</h#{level}>\n"
end
            
accept_list_end(list) click to toggle source

Finishes consumption of list

 
               # File rdoc/markup/to_html.rb, line 239
def accept_list_end(list)
  @list.pop
  if tag = @in_list_entry.pop
    @res << tag
  end
  @res << html_list_name(list.type, false) << "\n"
end
            
accept_list_item_end(list_item) click to toggle source

Finishes consumption of list_item

 
               # File rdoc/markup/to_html.rb, line 261
def accept_list_item_end(list_item)
  @in_list_entry[-1] = list_end_for(@list.last)
end
            
accept_list_item_start(list_item) click to toggle source

Prepares the visitor for consuming list_item

 
               # File rdoc/markup/to_html.rb, line 250
def accept_list_item_start(list_item)
  if tag = @in_list_entry.last
    @res << tag
  end

  @res << list_item_start(list_item, @list.last)
end
            
accept_list_start(list) click to toggle source

Prepares the visitor for consuming list

 
               # File rdoc/markup/to_html.rb, line 230
def accept_list_start(list)
  @list << list.type
  @res << html_list_name(list.type, true)
  @in_list_entry.push false
end
            
accept_paragraph(paragraph) click to toggle source

Adds paragraph to the output

 
               # File rdoc/markup/to_html.rb, line 184
def accept_paragraph paragraph
  @res << "\n<p>"
  text = paragraph.text @hard_break
  text = text.gsub(/\r?\n/, ' ')
  @res << wrap(to_html(text))
  @res << "</p>\n"
end
            
accept_raw(raw) click to toggle source

Adds raw to the output

 
               # File rdoc/markup/to_html.rb, line 297
def accept_raw raw
  @res << raw.parts.join("\n")
end
            
accept_rule(rule) click to toggle source

Adds rule to the output

 
               # File rdoc/markup/to_html.rb, line 223
def accept_rule rule
  @res << "<hr>\n"
end
            
accept_verbatim(verbatim) click to toggle source

Adds verbatim to the output

 
               # File rdoc/markup/to_html.rb, line 195
def accept_verbatim verbatim
  text = verbatim.text.rstrip

  klass = nil

  content = if verbatim.ruby? or parseable? text then
              begin
                tokens = RDoc::RubyLex.tokenize text, @options
                klass  = ' class="ruby"'

                RDoc::TokenStream.to_html tokens
              rescue RDoc::RubyLex::Error
                CGI.escapeHTML text
              end
            else
              CGI.escapeHTML text
            end

  if @options.pipe then
    @res << "\n<pre><code>#{CGI.escapeHTML text}</code></pre>\n"
  else
    @res << "\n<pre#{klass}>#{content}</pre>\n"
  end
end
            
end_accepting() click to toggle source

Returns the generated output

 
               # File rdoc/markup/to_html.rb, line 164
def end_accepting
  @res.join
end
            
start_accepting() click to toggle source

Prepares the visitor for HTML generation

 
               # File rdoc/markup/to_html.rb, line 155
def start_accepting
  @res = []
  @in_list_entry = []
  @list = []
end