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# encoding: utf-8
=begin

 * Name: SiSU

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

 * Author: Ralph Amissah

 * Copyright: (C) 1997 - 2011, 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>

   <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: SiSU information Structuring Universe, command line options
    parsing

=end
module SiSU_commandline
  require "pathname"
  require_relative 'sysenv'                             # sysenv.rb
  class Options
    attr_accessor :cmd,:mod,:f_pths,:files,:paths,:f_pth,:pth,:fns,:fnb,:fnc,:fncb,:what
    def initialize(a)
      @a=a
      @cmd,@f_pth,@pth,@fns,@fnb,@fnc,@fncb,@what='','','','','','','','',''
      @f_pths,@files,@paths,@mod=[],[],[],[]
      @env=SiSU_Env::Info_env.new
      r=Px[:lng_lst].join('|')
      #r.gsub!(/\|en\|/,'|')
      @lang_regx=%r{(?:#{r})}
      if a.inspect =~/"(?:-\S|--\S+?)"/ \
      and a.inspect =~/"#{@lang_regx}"/ \
      and a.inspect =~/"en\/\S+?\.ss[tm]"/
        init_po
      end
      init
    end
    def init_po
      a=@a
      if a.inspect =~/"(?:-\S|--\S+?)"/ \
      and a.inspect =~/"#{@lang_regx}"/ \
      and a.inspect =~/"en\/\S+?\.ss[tm]"/
        x,z=[],[]
        l=nil
        a.each do |y|
          if y =~/^(?:-\S|--\S+?)$/
            x << y
          elsif y =~/^en\/(\S+?\.ss[tm])$/
            l=$1
            x << y
          elsif y =~/^#{@lang_regx}$/
            z = x.dup
            z << y + '/' + l
            SiSU_commandline::Options.new(z)
            z=[]
          end
        end
      end
      self
    end
    def init
      a=@a
      c,w,s='','',''
      m,f,pth,z,ca=[],[],[],[],[]
      shortcut=SiSU_Env::Info_processing_flag.new
      a.each do |x|
        y=case x
        when /0/
          (x=~/^-1\S+/) \
          ? x.gsub(/^-0(\S+)/,shortcut.cf_0 + ' -\1') \
          : x.gsub(/^-0/,shortcut.cf_0 + ' ')
        when /1/
          (x=~/^-1\S+/) \
          ? x.gsub(/^-1(\S+)/,shortcut.cf_1 + ' -\1') \
          : x.gsub(/^-1/,shortcut.cf_1 + ' ')
        when /2/
          (x=~/^-2\S+/) \
          ? x.gsub(/^-2(\S+)/,shortcut.cf_2 + ' -\1') \
          : x.gsub(/^-2/,shortcut.cf_2 + ' ')
        when /3/
          (x=~/^-3\S+/) \
          ? x.gsub(/^-3(\S+)/,shortcut.cf_3 + ' -\1') \
          : x.gsub(/^-3/,shortcut.cf_3 + ' ')
        when /4/
          (x=~/^-4\S+/) \
          ? x.gsub(/^-4(\S+)/,shortcut.cf_4 + ' -\1') \
          : x.gsub(/^-4/,shortcut.cf_4 + ' ')
        when /5/
          (x=~/^-5\S+/) \
          ? x.gsub(/^-5(\S+)/,shortcut.cf_5 + ' -\1') \
          : x.gsub(/^-5/,shortcut.cf_5 + ' ')
        when /6/
          (x=~/^-6\S+/) \
          ? x.gsub(/^-6(\S+)/,shortcut.cf_5 + ' -\1') \
          : x.gsub(/^-6/,shortcut.cf_5 + ' ')
        else x
        end
        s << " #{y}" unless y.empty?
      end
      s.strip!
      a=s.split(/\s+/)
      a.each do |x|
        if x =~/^-[a-z0-5]+/i \
        or x =~/^--\S+/
          if x =~/^-([a-z0-5]+)/i; c << $1
          end
          if x =~/^--\S+/;        m << x
          end
        elsif x =~ /(?:\.(?:(?:-|ssm\.)?sst(?:\.xml)?|ssm|ssi|sx[sdn]\.xml|s[1-3]|kdi|ssp)|\S+?\.ss[mt]\.zip|sisupod(\.zip)?)$/
          if x =~/^(?:https?|file):\/\/\S+/;  f << x
          elsif FileTest.file?(x)
### FIX
            pt=Pathname.new(x)
            pth << pt.split[0].realpath.to_s     #remove?
            f << pt.split[1].to_s                #remove?
            u=/.+?\/([^\/]+)(?:(?:\/(?:en|fr|es)$)|$)/
            t=/.+\/(en|fr|es)/
            f_pths << {
              :pth => pt.split[0].realpath.to_s,
              :f => pt.split[1].to_s,
              :pth_stub => pt.split[0].realpath.to_s[u,1],
              :lng => (pt.split[0].realpath.to_s[t,1]) \
                ? pt.split[0].realpath.to_s[t,1] \
                : nil
            }
#           Dir.chdir(pt.split[0].realpath)
          else  puts "file not found: #{x}"
          end
        elsif x =~ /\.termsheet\.rb$/
          if FileTest.file?(x); f << x
          else  puts "file not found: #{x}"
          end
        else w=x
          puts "#{x} in #{a.join(' ')}?"
        end
      end
      unless m.empty?
        m.each do |m|
          case m
          when /^(?:--color-toggle)$/;                       c=c+'c'
          when /^(?:--configure)$/;                          c=c+'CC'
          when /^(?:--dal?|--machine|--abstraction|--abs)$/; c=c+'m'
          when /^(?:--txt|--text|--plaintext)$/;             c=c+'t'
          when /^(?:--html)$/;                               c=c+'h'
          when /^(?:--epub)$/;                               c=c+'e'
          when /^(?:--od[ft])$/;                             c=c+'o'
          when /^(?:--pdf)$/;                                c=c+'p'
          when /^(?:--concordance|--wordmap)$/;              c=c+'w'
          when /^(?:--manpage)$/;                            c=c+'i'
          when /^(?:--texinfo)$/;                            c=c+'I'
          when /^(?:--xhtml)$/;                              c=c+'b'
          when /^(?:--xml-sax)$/;                            c=c+'x'
          when /^(?:--xml-dom)$/;                            c=c+'X'
          when /^(?:--digest)$/;                             c=c+'N'
          when /^(?:--po4a|--pot?)$/;                        c=c+'P'
          when /^(?:--termsheet)$/;                          c=c+'T'
          when /^(?:--manifest)$/;                           c=c+'y'
          when /^(?:--sqlite)$/;                             c=c+'d'
          when /^(?:--pg|--pg?sql|--postgresql)$/;           c=c+'D'
          when /^(?:--remote|--rsync)$/;                     c=c+'R'
          when /^(?:--scp)$/;                                c=c+'r'
          when /^(?:--source)$/;                             c=c+'s'
          when /^(?:--sisupod|--pod)$/;                      c=c+'S'
          when /^(?:--git)$/;                                c=c+'g'
          when /^(?:--urls)$/;                               c=c+'U'
          when /^(?:--zap|--delete)$/;                       c=c+'Z'
          when /^(?:--sample-search-form)$/;                 c=c+'F'
          when /^(?:--webserv|--webrick)$/;                  c=c+'W'
          when /^(?:--maintenance)$/;                        c=c+'M'
          when /^(?:--verbose[=-]3)$/;                       c=c+'VM'
          when /^(?:--verbose[=-]2|--Verbose|--VERBOSE)$/;   c=c+'V'
          when /^(?:--verbose(?:[=-]1)?)$/;                  c=c+'v'
          when /^(?:--verbose[=-]0|--quiet|--silent)$/;      c=c+'q'
          else @mod << m
          end
        end
      end
      unless c.empty?
        c.gsub!(/-/,'')
        c.scan(/CC|\S/) {|x| ca << x}
        @cmd= '-' + ca.uniq.join
      end
      unless w.empty? ;  @what=w
      end
      @paths = pth
      @files = f
      @f_pths = f_pths
      if @files.length > 0 \
      and @cmd.empty? \
      and @mod.length==0 #% if no other action called on filename given, default is sisu -0 [filename(s)] configured as flag default
        @cmd=shortcut.cf_0
      end
      SiSU_Screen::Ansi.new(@cmd,"\tsisu " + @cmd +  ' ' + @mod.join(' ') + ' ' + @files.join(' ') + "\n").print_brown if @cmd =~/[vVM]/
#     @files.uniq!
      @fa=[]
      @files.each do |f|
        if f =~/\.sst$/
        elsif f =~/\.ssm$/
        end
      end
      @files
      self
    end
    def cmd
      @cmd
    end
    def mod
      @mod
    end
    def f_pth
      @f_pth
    end
    def pth
      @pth
    end
    def fns
      @fns
    end
    def what
      @what
    end
    def fnb
      unless fns.empty?
        fns[/(.+?)\.(?:(?:-|ssm\.)?sst|ssm)$/,1]
      end
    end
    def fnc
      @fnc=if @fns =~/\.(?:ssm\.sst|ssm)$/; fnb + '.ssm.sst'
      else @fns
      end
    end
    def fncb
      @fncb=if @fns =~/(?:\~\S{2,3})?\.(?:ssm\.sst|ssm)$/; fnb + '.ssm.sst'
      else @fns.gsub(/(?:\~\S{2,3})?(\.sst)$/,'\1')
      end
    end
  end
end
__END__
note usually named @opt
is carried in Param usually as @md
@opt is a subset of @md
where @md is passed, contents of @opt are available
passing @opt as well is duplication
check for fns & fnb