#!/usr/bin/env ruby
# encoding: utf-8
#SiSU: copyright (C) 1997 - 2013 Ralph Amissah; License GPL, see appended program information
begin
  def ruby_version_ok?(base_version)
    @v ||=RUBY_VERSION.scan(/\d+/)
    vb=base_version.scan(/\d+/)
    if @v[0].to_i <  vb[0].to_i \
    or @v[0].to_i == vb[0].to_i \
    && @v[1].to_i <  vb[1].to_i \
    or @v[0].to_i == vb[0].to_i \
    && @v[1].to_i == vb[1].to_i \
    && @v[1].to_i <  vb[2].to_i
      raise "Please, use Ruby#{vb} or later, current Ruby #{RUBY_VERSION}"
    else check_incompatible_ruby_build?
    end
  end
  def check_incompatible_ruby_build?
    require 'rbconfig'
    e=Config::CONFIG
    if RUBY_VERSION == '1.9.2' \
    && e['PATCHLEVEL'].to_i < 180
      raise <<WOK
There are known issues with early versions of ruby1.9.2.
Please, use Ruby 1.9.2p180 or later,
current version #{e['RUBY_PROGRAM_VERSION']}p#{e['PATCHLEVEL']}
#{%x{ruby -v}.strip.to_s}

WOK
    end
  end
  def check_sisu_legacy_ruby_version?
    rbv_sisu_legacy='1.9.2' #'1.8.7'
    ruby_version_ok?(rbv_sisu_legacy)
  end
  def check_sisu_stable_ruby_version?
    rbv_sisu_stable='1.9.2'
    ruby_version_ok?(rbv_sisu_stable)
  end
  def check_sisu_dev_ruby_version?
    rbv_sisu_dev='1.9.2'
    ruby_version_ok?(rbv_sisu_dev)
  end
  def require_hub_path(sisu_path_specified_lib_)
    if sisu_path_specified_lib_ \
    && FileTest.file?("#{sisu_path_specified_lib_}/#{SiSU_lib}/hub.rb")
      "#{sisu_path_specified_lib_}/#{SiSU_lib}"
    else
      SiSU_lib
    end
  end
#% sisu branch
  $VERBOSE=nil
  $KCODE='u' if RUBY_VERSION < '1.9'
  argv=$*
  SiSU_called_from_directory=Dir.pwd
  if $0 !~/\bsisu[45]$/
    SiSU_version_dir=case argv.inspect
    when /"(?:--v4)"/
      check_sisu_stable_ruby_version?
      'v4'
    when /"(?:--v5)"/
      check_sisu_stable_ruby_version?
      'v5'
    when /"(?:--dev)"/
      check_sisu_dev_ruby_version?
      'v5'
    else
      check_sisu_stable_ruby_version?
      'v4'
    end
  else
    SiSU_version_dir=case $0
    when /\bsisu4$/
      check_sisu_stable_ruby_version?
      'v4'
    when /\bsisu5$/
      check_sisu_stable_ruby_version?
      'v5'
    else
      check_sisu_stable_ruby_version?
      'v4'
    end
  end
#% $0 File.expand_path($0)
  e=Config::CONFIG
  SiSU_path_base=if $0 =~ /^#{e['bindir']}\/sisu[45]?$/
    nil
  elsif $0 !~ /^#{e['bindir']}\/sisu[45]?$/ \
  && File.expand_path($0) =~/bin\/sisu[45]?$/ \
  && FileTest.file?($0)
    File.expand_path($0).sub(/\/bin\/sisu[45]?$/,'')
  else
    nil
  end
  SiSU_lib="sisu/#{SiSU_version_dir}"
  sisu_path_specified_lib_=SiSU_path_base \
  ? File.expand_path($0).sub(/bin\/sisu[45]?$/,'lib')
  : nil
  SiSU_path_specified_Version_=SiSU_path_base \
  ? "#{SiSU_path_base}/data/sisu/#{SiSU_version_dir}/v/version.yml"
  : nil
  SiSU_path_lib="#{require_hub_path(sisu_path_specified_lib_)}"
#% $*
  require "#{SiSU_path_lib}/hub"
  lng_lst = %w[am bg bn br ca cs cy da de el en eo es et eu fi fr ga gl he hi hr hy ia is it la lo lt lv ml mr nl nn no oc pl pt pt_BR ro ru sa se sk sl sq sr sv ta te th tk tr uk ur us vi]
  lng_lst_rgx=lng_lst.join('|')
  argv_sub_files={}
  argv_sub_mods=[]
  argv.each do |x|
    if x =~/^-+/
      argv_sub_mods << x
    elsif x =~/\.ss[tm]/
      if x =~/\//
        markup_path,markup_file =(/(\S+\/)((?:#{lng_lst_rgx})?[^\/]+)/).match(x)[1,2]
        if not argv_sub_files[markup_path]
          argv_sub_files[markup_path]=[]
        end
        argv_sub_files[markup_path] << markup_file
      else
        if not argv_sub_files['./']
          argv_sub_files['./']=[]
        end
        argv_sub_files['./'] << x
      end
    end
  end
  if argv_sub_files.length > 0
    argv_sub_files.each_pair do |markup_dir,markup_file|
      $sisu_document_markup_directory=markup_dir.gsub(/\/$/,'')
      argv_sub=argv_sub_mods + markup_file
      if FileTest.directory?(markup_dir)
        system("cd #{markup_dir}")
        Dir.chdir(markup_dir)
        $sisu_document_markup_directory_base_fixed_path=Dir.pwd.gsub(/\/(?:#{lng_lst_rgx})$/,'')
        SiSU::HubMaster.new(argv_sub)
        Dir.chdir(SiSU_called_from_directory)
        system("cd #{SiSU_called_from_directory}")
      elsif markup_dir =~/https?:/
        markup_file.each do |mf|
          (FileTest.file?(mf)) \
          ? (puts 'requested remote file already exists in current directory ' + Dir.pwd + ' using ' + mf)
          : (system("wget #{markup_dir}/#{mf}"))
        end
        $sisu_document_markup_directory_base_fixed_path=Dir.pwd.gsub(/\/(?:#{lng_lst_rgx})$/,'')
        argv_sub=argv_sub_mods + markup_file
        SiSU::HubMaster.new(argv_sub)
      else p "Error directory specified #{markup_dir} not found"
      end
    end
  else
    $sisu_document_markup_directory=Dir.pwd.gsub(/\/$/,'')
    $sisu_document_markup_directory_base_fixed_path=Dir.pwd.gsub(/(^|\/)(?:#{lng_lst_rgx})$/,'')
    SiSU::HubMaster.new(argv)
  end
rescue
  STDERR.puts 'ERROR'
  STDERR.puts $!
  STDERR.puts $@
  require 'rbconfig'
  e=Config::CONFIG
  puts %{
                   #{%x{ruby -v}.strip.to_s}
                   #{RUBY_VERSION}
    ruby version:  #{e['RUBY_PROGRAM_VERSION']}p#{e['PATCHLEVEL']}
    ruby named:    #{e['ruby_version']}
    rubylib:       #{e['rubylibdir']}
    rubylib local: #{e['sitelibdir']}
  }
  system(%{echo "
    system RUBYPATH: ${RUBYPATH}
    system RUBYLIB: ${RUBYLIB}
  "})
end
__END__

 * Name: SiSU

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

 * Author: Ralph Amissah

 * Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
   2007, 2008, 2009, 2010, 2011, 2012, 2013 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.sisudoc.org/sisu/en/manifest/gpl.fsf.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>

 * Download:
   <http://www.sisudoc.org/sisu/en/SiSU/download.html>

 * Git
   <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
   <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=bin/sisu;hb=HEAD>

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