# encoding: utf-8
=begin

* Name: SiSU

** Description: documents, structuring, processing, publishing, search
*** system environment, resource control and configuration details

** Author: Ralph Amissah
  [ralph@amissah.com]
  [ralph.amissah@gmail.com]

** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
  2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 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/licenses/gpl.html]

** 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]

** Git
  [http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary]
  [http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/ao_character_check.rb;hb=HEAD]

=end
module SiSU_AO_CharacterCheck
  class Check
    def initialize(data)
      @data=data
      @comment='%'
      @endnote_array=[]
    end
    def character_check_and_oldstyle_endnote_array
      data=@data
      @endnote_array=[]
      endnote_no=1
      @tuned_file=data.select do |dob|
        unless dob.is ==:table
          dob.obj=dob.obj.strip.
            gsub(/^[{~}]\s*$/,'').
            gsub(/~#\s*/,"#{Mx[:pa_non_object_no_heading]}").
            gsub(/-#\s*/,"#{Mx[:pa_non_object_dummy_heading]}").
            gsub(/(#{Mx[:en_a_o]})\s*\s+/,'\1 ').
            gsub(/(~\{\s*)\s+/,'\1 ').
            gsub(/ \/\//,"#{Mx[:br_line]}").
            gsub(/<br>/,"#{Mx[:br_line]}").                #needed by xml, xhtml etc.
            gsub(/\t/,' ').
            gsub(/\342\200\231/u,"'"). #if dob =~/’/       #Avoid #&lsquo; &rsquo; #&ldquo; &rdquo;
            gsub(/\\copy(?:right)?\b/,'&#169;').
            gsub(/\\trademark\b|\\tm\b/,'&#174;')
          dob.obj=dob.obj + "\n"
          unless dob.is ==:code
            case dob.obj
            when /\^~/                                     #% Note must do this first (earlier loop) and then enter gathered data into ~^\d+
              sub_dob=dob.obj.dup
              @endnote_array << sub_dob.gsub(/\n/,'').
                gsub(/\^~\s+(.+)\s*/,
                  %{#{Mx[:en_a_o]}#{endnote_no} \\1 #{Mx[:en_a_c]}}).
                  strip
              endnote_no+=1
              dob=nil if dob.obj =~/\^~ .+/                #watch, removes 'binary' endnote now in endnote array for later insertion
            end
          end
        end
        dob if dob.is_a?(Object)
      end.flatten.compact
      [@tuned_file,@endnote_array]
    end
  end
end
__END__