# encoding: utf-8
=begin

* Name: SiSU

** Description: documents, structuring, processing, publishing, search
*** update previous output (with similar output file type formats)

** 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/update.rb;hb=HEAD]

=end
module SiSU_UpdateControlFlag
  require_relative 'se'                                 # se.rb
    include SiSU_Env
  include SiSU_Param
  class Check
    def initialize(opt)
      @opt=opt
      @md=SiSU_Param::Parameters.new(@opt).get
    end
    def read
      begin
        @env=SiSU_Env::InfoEnv.new(@md.fns)
        out=@env.path.output
        base_path="#{out}/#{@md.fnb}"
        SiSU_Screen::Ansi.new(
          @md.opt.act[:color_state][:set],
          'Checking previous output',
          base_path
        ).green_hi_blue unless @md.opt.act[:quiet][:set]==:on
        SetCF.new(@md).set_flags
      rescue
        SiSU_Errors::Rescued.new($!,$@,@md.opt.selections.str,@md.fns).location do
          __LINE__.to_s + ':' + __FILE__
        end
      ensure
      end
    end
    private
    class SetCF
      def initialize(md)
        @md=md
        @env=SiSU_Env::InfoEnv.new(@md.fns)
        out=@env.path.output
        @base_path="#{out}/#{@md.fnb}"
        @pdf_fn=SiSU_Env::FileOp.new(@md).base_filename
      end
      def set_flags #-mNhwpoabxXyv
        flag='-v'
        if FileTest.file?("#{@md.file.output_path.txt.dir}/#{@md.file.base_filename.txt}")==true
          flag=flag + 'a'
        end
        if FileTest.file?("#{@md.file.output_path.html_seg.dir}/#{@md.file.base_filename.html_seg}")==true \
        or FileTest.file?("#{@md.file.output_path.html_scroll.dir}/#{@md.file.base_filename.html_scroll}")==true
          flag=flag + 'h'
        end
        if FileTest.file?("#{@md.file.output_path.xhtml.dir}/#{@md.file.base_filename.xhtml}")==true
          flag=flag + 'b'
        end
        if FileTest.file?("#{@md.file.output_path.xml_sax.dir}/#{@md.file.base_filename.xml_sax}")==true
          flag=flag + 'x'
        end
        if FileTest.file?("#{@md.file.output_path.xml_dom.dir}/#{@md.file.base_filename.xml_dom}")==true
          flag=flag + 'X'
        end
        if FileTest.file?("#{@md.file.output_path.epub.dir}/#{@md.file.base_filename.epub}")==true
          flag=flag + 'e'
        end
        if FileTest.file?("#{@md.file.output_path.odt.dir}/#{@md.file.base_filename.odt}")==true
          flag=flag + 'o'
        end
        if FileTest.file?("#{@md.file.output_path.pdf.dir}/#{@pdf_fn.pdf_p_a4}")==true \
        or FileTest.file?("#{@md.file.output_path.pdf.dir}/#{@pdf_fn.pdf_l_a4}")==true \
        or FileTest.file?("#{@md.file.output_path.pdf.dir}/#{@pdf_fn.pdf_p_letter}")==true \
        or FileTest.file?("#{@md.file.output_path.pdf.dir}/#{@pdf_fn.pdf_l_letter}")==true
          flag=flag + 'p'
        end
        if FileTest.file?("#{@md.file.output_path.html_concordance.dir}/#{@md.file.base_filename.html_concordance}")==true
          flag=flag + 'w'
        end
        if FileTest.file?("#{@md.file.output_path.digest.dir}/#{@md.file.base_filename.digest}")==true
          flag=flag + 'N'
        end
        if FileTest.file?("#{@md.file.output_path.src.dir}/#{@md.file.base_filename.src}")==true
          flag=flag + 's'
        end
        if FileTest.file?("#{@md.file.output_path.sisupod.dir}/#{@md.file.base_filename.sisupod}")==true
          flag=flag + 'S'
        end
        puts flag
        flag
      end
    end
  end
end
__END__