# coding: utf-8
=begin

 * Name: SiSU

 * Description: a framework for document structuring, publishing and search

 * Author: Ralph Amissah

 * Copyright: (C) 1997 - 2009 Ralph Amissah All Rights Reserved.

 * License: GPL 3 or later:

   SiSU, a framework for document structuring, publishing and search

   Copyright (C) Ralph Amissah

   This program is free software: you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the Free
   Software Foundation, either version 3 of the License, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.

   You should have received a copy of the GNU General Public License along with
   this program. If not, see <http://www.gnu.org/licenses/>.

   If you have Internet connection, the latest version of the GPL should be
   available at these locations:
   <http://www.fsf.org/licensing/licenses/gpl.html>
   <http://www.gnu.org/copyleft/gpl.html>

   <http://www.jus.uio.no/sisu/gpl.fsf/toc.html>
   <http://www.jus.uio.no/sisu/gpl.fsf/doc.html>
   <http://www.jus.uio.no/sisu/gpl.fsf/plain.txt>

 * SiSU uses:
   * Standard SiSU markup syntax,
   * Standard SiSU meta-markup syntax, and the
   * Standard SiSU object citation numbering and system

 * Hompages:
   <http://www.jus.uio.no/sisu>
   <http://www.sisudoc.org>

 * Download:
   <http://www.jus.uio.no/sisu/SiSU/download.html>

 * Ralph Amissah
   <ralph@amissah.com>
   <ralph.amissah@gmail.com>

 ** Description: system environment, resource control and configuration details

=end
module SiSU_endnotes
  class Endnotes
    def initialize(md,data,endnote_array=nil)
      @md,@data,@endnote_array=md,data,endnote_array
      @endnote_counter,@endnote_counter_asterisk,@endnote_counter_dag=1,1,1
    end
    def endnotes
      data=@data
      @tuned_file=[]
      endnote_no,endnote_ref=1,1
                                                                                 #% endnote work zone
      data.each do |para|
                                                                                 # manually numbered endnotes <!e(\d)!> <!e_(\d)!> -->
        if @md.mod.inspect =~/--no-asterisk|--no-annotate/
          para.gsub!(/#{Mx[:en_b_o]}\s.+?#{Mx[:en_b_c]}/,'')
        end
        if @md.mod.inspect =~/--no-dagger|--no-annotate/
          para.gsub!(/#{Mx[:en_b_o]}[+]\s.+?#{Mx[:en_b_c]}/,'')
        end
        unless para =~/^#{Mx[:gr_o]}code#{Mx[:gr_c]}/
          case para
                                                                                 # auto-numbered endnotes <!e!> <!e_!> -->
          when /#{Mx[:en_a_o]}.+?#{Mx[:en_a_c]}|#{Mx[:en_b_o]}[*+]\s+.+?#{Mx[:en_b_c]}/
            para.gsub!(/\s*(#{Mx[:en_a_c]}|#{Mx[:en_b_c]})/,' \1')                                     # required 2003w31
            word_mode=para.scan(/#{Mx[:gr_o]}group#{Mx[:gr_c]}\n|\n#{Mx[:gr_o]}group-end#{Mx[:gr_c]}|\S+/m)
            word_mode=endnote_call_number(word_mode)
            para=word_mode.join(' ')
            endnote_ref+=1
          when /~\^(?:\s|$)|<:e>/
                                                                                 #%Note inserts endnotes previously gathered from /^(<!e[:_]!>|[-~]\{{3})/ (in earlier loop)
            word_mode=para.scan(/#{Mx[:gr_o]}group#{Mx[:gr_c]}\n|\n#{Mx[:gr_o]}group-end#{Mx[:gr_c]}|\S+/m)
            word_mode=endnote_call_number(word_mode)
            para=word_mode.join(' ')
            endnote_ref+=1
          end
        end
        @tuned_file << para
      end
      @endnote_counter,@endnote_counter_asterisk,@endnote_counter_dag=1,1,1
      @tuned_file=@tuned_file.flatten
    end
    def endnote_call_number(data)
      data.each do |word|
        unless data =~/^#{Mx[:gr_o]}code#{Mx[:gr_c]}/
          case word
          when /#{Mx[:en_a_o]}/
            unless word =~/#{Mx[:en_a_o]}[*+]+/
              word.gsub!(/#{Mx[:en_a_o]}/,"#{Mx[:en_a_o]}#{@endnote_counter} ")
              @endnote_counter+=1
            end
          when /#{Mx[:en_b_o]}/
            if word =~/#{Mx[:en_b_o]}[+]/
              word.gsub!(/#{Mx[:en_b_o]}[+]/,"#{Mx[:en_b_o]}\+#{@endnote_counter_dag} ")
              @endnote_counter_dag+=1
            else
              word.gsub!(/#{Mx[:en_b_o]}[*]?/,"#{Mx[:en_b_o]}\*#{@endnote_counter_asterisk} ")
              @endnote_counter_asterisk+=1
            end
          when /~\^|<:e>/
            if @endnote_array
              word.gsub!(/~\^|<:e>/,"#{@endnote_array[@endnote_counter-1]}")
              @endnote_counter+=1
            end
          end
        end
      end
    end
  end
end
__END__