#                                                                          
# File 'filehelper.rb' created on 28 feb 2008 at 16:40:57.                    
#
# See 'dokkit.rb' or +LICENSE+ for licence information.                      
#                                                                          
# (C) 2008 Andrea Fazzi <andrea.fazzi@alca.le.it> (and contributors). 
#                                                                          

require 'dokkit/extension/extension'

module Dokkit
  module Extension
    module FileHelper
      def relative(href)
        thr = href
        if thr.is_a?(String) && href[0,1] == '/'     
          dtfn = File.dirname(document[/^#{taskconfig.document_dir}\/(.*)/,1]) + '/'
          count = dtfn == './' ? 0 : dtfn.split('/').length
          thr = ('../' * count) + href[1..href.length]
        end        
        thr
      end      
    end
  end
end