require 'redcloth' require 'coderay' module Redmine module WikiFormatting private class TextileFormatter < RedCloth RULES = [:inline_auto_link, :inline_auto_mailto, :textile, :inline_toc] def initialize(*args) super self.hard_breaks=true end def to_html @toc = [] super(*RULES).to_s end private # Patch for RedCloth. Fixed in RedCloth r128 but _why hasn't released it yet. # http://code.whytheluckystiff.net/redcloth/changeset/128 def hard_break( text ) text.gsub!( /(.)\n(?!\n|\Z| *([#*=]+(\s|$)|[{|]))/, "\\1
" ) if hard_breaks end # Patch to add code highlighting support to RedCloth def smooth_offtags( text ) unless @pre_list.empty? ## replace
 content
          text.gsub!(//) do
            content = @pre_list[$1.to_i]
            if content.match(/\s?(.+)/m)
              content = "" + 
                CodeRay.scan($2, $1).html(:escape => false, :line_numbers => :inline)
            end
            content
          end
        end
      end
      
      # Patch to add 'table of content' support to RedCloth
      def textile_p_withtoc(tag, atts, cite, content)
        if tag =~ /^h(\d)$/
          @toc << [$1.to_i, content]
        end
        content = "" + content
        textile_p(tag, atts, cite, content)
      end

      alias :textile_h1 :textile_p_withtoc
      alias :textile_h2 :textile_p_withtoc
      alias :textile_h3 :textile_p_withtoc
      
      def inline_toc(text)
        text.gsub!(/

\{\{([<>]?)toc\}\}<\/p>/i) do div_class = 'toc' div_class << ' right' if $1 == '>' out = "

" @toc.each_with_index do |heading, index| # remove wiki links from the item toc_item = heading.last.gsub(/(\[\[|\]\])/, '') out << "#{toc_item}" end out << '
' out end end AUTO_LINK_RE = %r{ ( # leading text <\w+.*?>| # leading HTML tag, or [^=<>!:'"/]| # leading punctuation, or ^ # beginning of line ) ( (?:https?://)| # protocol spec, or (?:www\.) # www.* ) ( [-\w]+ # subdomain or domain (?:\.[-\w]+)* # remaining subdomains or domain (?::\d+)? # port (?:/(?:(?:[~\w\+%-]|(?:[,.;:][^\s$]))+)?)* # path (?:\?[\w\+%&=.;-]+)? # query string (?:\#[\w\-]*)? # trailing anchor ) ([[:punct:]]|\s|<|$) # trailing text }x unless const_defined?(:AUTO_LINK_RE) # Turns all urls into clickable links (code from Rails). def inline_auto_link(text) text.gsub!(AUTO_LINK_RE) do all, a, b, c, d = $&, $1, $2, $3, $4 if a =~ /=]?/ # don't replace URL's that are already linked # and URL's prefixed with ! !> !< != (textile images) all else text = b + c %(#{a}#{text}#{d}) end end end # Turns all email addresses into clickable links (code from Rails). def inline_auto_mailto(text) text.gsub!(/([\w\.!#\$%\-+.]+@[A-Za-z0-9\-]+(\.[A-Za-z0-9\-]+)+)/) do text = $1 %{} end end end public def self.to_html(text, options = {}) TextileFormatter.new(text).to_html end end end