-*- mode: org -*-
#+TITLE:       sisu utils
#+DESCRIPTION: documents - structuring, various output representations & search
#+FILETAGS:    :sisu:utils:
#+AUTHOR:      Ralph Amissah
#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
#+COPYRIGHT:   Copyright (C) 2015 - 2021 Ralph Amissah
#+LANGUAGE:    en
#+STARTUP:     content hideblocks hidestars noindent entitiespretty
#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
#+PROPERTY:    header-args  :exports code
#+PROPERTY:    header-args+ :noweb yes
#+PROPERTY:    header-args+ :eval no
#+PROPERTY:    header-args+ :results no
#+PROPERTY:    header-args+ :cache no
#+PROPERTY:    header-args+ :padline no
#+PROPERTY:    header-args+ :mkdirp yes

* utils
** utils.rb

#+HEADER: :tangle "../lib/sisu/utils.rb"
#+BEGIN_SRC ruby
#<<sisu_document_header>>
module SiSU_Utils
  class CodeMarker
    def initialize(line,file,color=:red)
      @line,@file,@color=line.to_s,file,color
    end
    def ansi(color=nil)
      @color=color ? color : @color
      c={}
      c[:on]=case @color
      when :red         then ANSI_C[:red]
      when :green       then ANSI_C[:green]
      when :yellow      then ANSI_C[:yellow]
      when :blue        then ANSI_C[:blue]
      when :fuchsia     then ANSI_C[:fuchsia]
      when :cyan        then ANSI_C[:cyan]
      when :inv_red     then ANSI_C[:inv_red]
      when :inv_green   then ANSI_C[:inv_green]
      when :inv_yellow  then ANSI_C[:inv_yellow]
      when :inv_blue    then ANSI_C[:inv_blue]
      when :inv_fuchsia then ANSI_C[:inv_fuchsia]
      when :inv_cyan    then ANSI_C[:inv_cyan]
      when :b_red       then ANSI_C[:b_red]
      when :b_green     then ANSI_C[:b_green]
      when :b_yellow    then ANSI_C[:b_yellow]
      when :b_blue      then ANSI_C[:b_blue]
      when :b_fuchsia   then ANSI_C[:b_fuchsia]
      when :b_cyan      then ANSI_C[:b_cyan]
      else                   ANSI_C[:red]
      end
      c[:off]= ANSI_C[:off]
      #ansi_color + @line.to_s + ansi_color_off + ' ' + @file.gsub(/([^\/]+$)/,"#{ansi_color}\\1#{ansi_color_off}")
      c
    end
    def var(v,x)
      h={ c: nil, m: '' }
      if v.is_a?(Hash)
        h[:c] = (defined? v[:c]) ? v[:c] : ''
        h[:m] = (defined? v[:m]) ? v[:m] : ''
      elsif (v.is_a?(Symbol) \
      and x.is_a?(String))
        if v.is_a?(Symbol)
          h[:c]=v
        elsif v.is_a?(String)
          h[:m]=v
        end
        if x.is_a?(String)
          h[:m]=x
        end
      elsif (v.is_a?(Symbol) \
      or v.is_a?(String))
        if v.is_a?(Symbol)
          h[:c]=v
        elsif v.is_a?(String)
          h[:m]=v
        end
      end
      h[:c] = (defined? h[:c]) ? h[:c] : ''
      h[:m] = (defined? h[:m]) ? h[:m] : ''
      h[:c]=ansi(h[:c])
      h[:m]=message(h[:m])
      h
    end
    def message(msg='')
      @message=(msg.nil? || msg.empty?) \
      ? ''
      : ' ' + msg
    end
    def set(v=nil,x=nil)
      v=var(v,x)
      file,path=File.basename(@file),File.dirname(@file)
      v[:c][:on] + @line + v[:c][:off] + ' ' \
      + path + '/' \
      + "#{v[:c][:on]}#{file}#{v[:c][:off]}" \
      + v[:m]
    end
    def mark(v=nil,x=nil)
      puts set(v,x)
    end
    def tell(v=nil,x=nil)
      puts set(v,x)
    end
    def report(v=nil,x=nil)
      puts set(v,x)
    end
    def ok(v=nil,x=nil)
      if (v.is_a?(Symbol) \
      and x.is_a?(String))
        x= '*OK* ' + x
      elsif v.is_a?(String)
        v='*OK* ' + v
        x=nil
      else
        v,x='*OK*',nil
      end
      puts set(v,x)
    end
    def warn(v=nil,x=nil)
      if (v.is_a?(Symbol) \
      and x.is_a?(String))
        x="\n  " + '*WARN* ' + x
      elsif v.is_a?(String)
        v="\n  " + '*WARN* ' + v
        x=nil
      else
        v,x='*WARN*',nil
      end
      puts set(v,x)
    end
    def error(v=nil,x=nil)
      if (v.is_a?(Symbol) \
      and x.is_a?(String))
        x="\n  " + '*ERROR* ' + x
      elsif v.is_a?(String)
        v="\n  " + '*ERROR* ' + v
        x=nil
      else
        v,x='*ERROR*',nil
      end
      STDERR.puts set(v,x)
    end
  end
  class Path
    def initialize(dir=Dir.pwd)
      @dir=dir
    end
    def base_markup(call_path=nil)
      call_path = call_path \
      ? call_path \
      : Dir.pwd
      (/(\S+?)(?:\/(?:#{Px[:lng_lst_rgx]}))?$/).match(call_path)[1]
    end
    def base_markup_stub
      m=/.+\/(?:src\/)?(\S+)/im
      base_markup[m,1]
    end
    def image_src
      if base_markup =~/sisupod\/doc[\/]?$/
        base_markup.gsub(/\/doc[\/]?$/,'/image')
      elsif FileTest.directory?("#{base_markup}/_sisu/image")
        "#{base_markup}/_sisu/image"
      end
    end
    def bmd
      base_markup
    end
  end
end
__END__
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:green).mark({ m: %{
  code: #{@@flag[:code]}, <-- close "#{t_o}"
}})
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__).mark({ m: %{
  code: #{@@flag['code']}, <-- close "#{t_o}"
}, c: :green})
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:green).mark({ m: %{
  code: #{@@flag['code']}, open --> "#{t_o}"
}}) if t_o=~/^```/m
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:green).mark(%{ code: #{@@flag['code']}, open --> "#{t_o}" }) \
if t_o=~/^```/m
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:green).mark("open -->")
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).mark("open -->")
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__).mark("open -->",:green)
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__).mark(:green,"open -->")
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__).mark("open -->")
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__).mark(:green)
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:green).mark
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:green).mark("open -->")
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__).mark('open -->',:green)
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:red).mark
puts SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:red).set
puts SiSU_Utils::CodeMarker.new(__LINE__,__FILE__).set('',:green)
puts SiSU_Utils::CodeMarker.new(__LINE__,__FILE__).set('',:fuchsia)
puts ANSI_C[:red] + __LINE__.to_s + ANSI_C[:off] + ' ' + __FILE__
puts "#{ANSI_C[:red]} #{__LINE__.to_s} #{ANSI_C[:off]} #{__FILE__}"
puts ANSI_C[:fuchsia] + __LINE__.to_s + ANSI_C[:off] + ' ' + __FILE__.gsub(/([^\/]+$)/,"#{ANSI_C[:fuchsia]}\\1#{ANSI_C[:off]}")
puts ANSI_C[:red] + __LINE__.to_s + ANSI_C[:off] + ' ' + __FILE__.gsub(/([^\/]+$)/,"#{ANSI_C[:red]}\\1#{ANSI_C[:off]}")
#+END_SRC

** utils_spell.rb

#+HEADER: :tangle "../lib/sisu/utils_spell.rb"
#+BEGIN_SRC ruby
#<<sisu_document_header>>
module SiSU_SpellUtility
  class Spell
    def initialize(input,filesrc,flg)
      @flg=flg
      @filename, @filetype = /(.+?)(\.\w\w\w0$)/.match(filesrc)[1,2] #.gsub(/\.\w\w\w0$/, "")
      @input=input
      @allwords=[]
      puts @filename
      @speller='aspell' # 'ispell'
      @dictionary='british'
      @lang='en_GB'
    end
    def check
      @input.each do |data|
        data=data.gsub(/(https?|www|ftp|gopher|png|jpg|gif|html|htm)\S+/i,' ').
          gsub(/(&nbsp;|#{Mx[:nbsp]})/i,' ').
          gsub(/<\/?(table|tr|td|b|p|href).*?>/i,' ').
          gsub(/(<==.+|<:\S+>|<!.+?!>|^@\S+?:.+|\{\{\{|~)/,' ').
          gsub(/(["|<>)(\n'`.;&_-]|\=)/,' ').
          gsub(/\b(altExternal|
            target|externalimg|
            srcimagebext|
            img|src|toc|pdf|
            cd|org|
            helvetica|roman
            )\b/i,' ').
          gsub(/EOF/,'')
        @words=data.scan(/\S+/)
        @words.each { |y| @allwords << y }
      end
      @allwords=@allwords.uniq
      if @flg =~ /S/
        File.open('/home/ralph/spell_error','a+') do |file| #fix
          file.puts %{\n\n[ #{@filename} ]}
        end
        @allwords.each { |y| puts y.inspect; system(%{cat #{y} | /usr/bin/#{@speller} -l -d #{@dictionary} >> ~/spell_error })}
      else
        @allwords.each { |y| sp=%x{echo #{y}|#{@speller} -l }; puts sp unless sp.empty?}
      end
    end
  end
end
__END__
#+END_SRC

** utils_response.rb

#+HEADER: :tangle "../lib/sisu/utils_response.rb"
#+BEGIN_SRC ruby
#<<sisu_document_header>>
module SiSU_Response
  def available_selections_
    %{'yes', 'no', 'quit' or 'exit'; [ynqx]}
  end
  def response?(ask)
    response='redo'
    print ask + %{ [#{available_selections_}]: }
    response=File.new('/dev/tty').gets.strip
    case response
    when /^(?:y|yes)$/          then true
    when /^(?:n|no)$/           then false
    when /^(?:[qx]|quit|exit)$/ then exit
    else puts %{[please type: #{available_selections_}]}
      response?(ask)
    end
  end
  def query
    def selections_available_(selections=:strict)
      short_options=(selections == :strict) ? '' : '; [ynqx]'
      %{'yes', 'no', 'quit' or 'exit'#{short_options}}
    end
    def selection_options
      def response_strict(resp)
        case resp
        when /^(?:yes)$/          then true
        when /^(?:no)$/           then false
        when /^(?:quit|exit)$/    then exit
        else
          puts %{response was: #{resp}}
          puts %{[please type to select: #{selections_available_(:strict)}]}
          answer?('',:strict)
        end
      end
      def response_short(resp)
        case resp
        when /^(?:y|yes)$/          then true
        when /^(?:n|no)$/           then false
        when /^(?:[qx]|quit|exit)$/ then exit
        else
          puts %{response was: #{resp}}
          puts %{[please type to select: #{selections_available_(:short)}]}
          answer?('',:short)
        end
      end
      self
    end
    def answer?(ask,selections=:strict)
      resp='redo'
      print ask + %{PROCEED? [#{selections_available_(selections)}]: }
      resp=File.new('/dev/tty').gets.strip
      (selections==:strict) \
      ? selection_options.response_strict(resp)
      : selection_options.response_short(resp)
    end
    self
  end
end
__END__
#+END_SRC

** utils_composite.rb

#+HEADER: :tangle "../lib/sisu/utils_composite.rb"
#+BEGIN_SRC ruby
#<<sisu_document_header>>
module SiSU_Composite_Doc_Utils
  def inserts_array(loadfilename)
    IO.readlines(loadfilename,'')
  end
  def insert_filename?(para)
    if para =~ /^<<\s+((?:https?|file):\/\/\S+?\.ss[it])$/ # and NetTest
      url($1.strip)
    elsif para =~/^<<\s*(\S+?\.ss[it])$/
      $1.strip
    end
  end
  def extract_filenames(loadfilename,file_names_arr)
    file_names_arr << loadfilename
    ssi_files=[]
    if loadfilename =~/\S+?\.ss[im]$/
      inserts_array(loadfilename).each do |para|
        filen=insert_filename?(para)
        file_names_arr << filen
        if filen =~/\S+?\.ssi$/
          ssi_files << filen
        end
      end
    end
    ssi_files.each do |fn|
      extract_filenames(fn,file_names_arr)
    end
    file_names_arr.flatten.compact.uniq.sort
  end
  def composite_and_imported_filenames_array(loadfilename)
    file_names_arr=[]
    begin
      if FileTest.file?(loadfilename)
        if loadfilename =~/\S+?\.ss[itm]$/
          if (@opt.act[:verbose][:set]==:on \
          || @opt.act[:verbose_plus][:set]==:on \
          || @opt.act[:maintenance][:set]==:on)
            SiSU_Screen::Ansi.new(
              @opt.act[:color_state][:set],
              'loading:',
              loadfilename,
            ).txt_grey
          end
          file_names_arr=extract_filenames(loadfilename,file_names_arr)
        end
      end
      if (@opt.act[:verbose_plus][:set]==:on \
      || @opt.act[:maintenance][:set]==:on)
        p file_names_arr ;p file_names_arr.length
      end
      file_names_arr
    rescue
      SiSU_Errors::Rescued.new($!,$@,@opt.selections.str,@opt.fns).location do
        __LINE__.to_s + ':' + __FILE__
      end
    ensure
    end
  end
end
__END__
#+END_SRC

** utils_screen_text_color.rb

#+HEADER: :tangle "../lib/sisu/utils_screen_text_color.rb"
#+BEGIN_SRC ruby
#<<sisu_document_header>>
module SiSU_Screen
  class Color
    attr_accessor :off,:marker,:bold,:underline,:invert,:darkgrey_hi,:grey_hi,:pink_hi,:fuchsia_hi,:red_hi,:orange_hi,:yellow_hi,:brown_hi,:lightgreen_hi,:green_hi,:cyan_hi,:blue_hi,:navy_hi,:white,:white_bold,:grey,:pink,:fuchsia,:ruby,:red,:orange,:yellow,:brown,:green,:darkgreen,:cyan,:blue,:navy,:black
    def initialize(&block)
      instance_eval &block
    end
  end
  class Ansi < Color
    attr_reader :cX
    def initialize(color_state,*txt)
      @color_state,@txt=color_state,txt
      @color_instruct=txt[0]
      @cX=if color_state==:on
        Color.new do
          self.off=self.white=self.white_bold=self.marker=self.bold=self.underline=self.invert=self.darkgrey_hi=self.grey_hi=self.pink_hi=self.fuchsia_hi=self.red_hi=self.orange_hi=self.yellow_hi=self.brown_hi=self.lightgreen_hi=self.green_hi=self.cyan_hi=self.blue_hi=self.navy_hi=self.grey=self.pink=self.fuchsia=self.ruby=self.red=self.orange=self.yellow=self.brown=self.green=self.darkgreen=self.cyan=self.blue=self.navy=self.black=''
        end
      else                                                                       #default set to colors on
        Color.new do
          self.off           = "\033[0m"
          self.white         = "\033[37m"
          self.white_bold    = "\033[1m"
          self.marker        = "\033[42m"
          self.bold          = "\033[1m"
          self.underline     = "\033[4m"
          self.invert        = "\033[7m"
          self.darkgrey_hi   = "\033[100m"
          self.grey_hi       = "\033[47m"
          self.pink_hi       = "\033[105m"
          self.fuchsia_hi    = "\033[45m"
          self.red_hi        = "\033[41m"
          self.orange_hi     = "\033[101m"
          self.yellow_hi     = "\033[103m"
          self.brown_hi      = "\033[43m"
          self.lightgreen_hi = "\033[102m"
          self.green_hi      = "\033[42m"
          self.cyan_hi       = "\033[106m"
          self.blue_hi       = "\033[104m"
          self.navy_hi       = "\033[44m"
          self.grey          = "\033[90m"
          self.pink          = "\033[95m"
          self.fuchsia       = "\033[35m"
          self.ruby          = "\033[31m"
          self.red           = "\033[91m" #check
          self.orange        = "\033[91m"
          self.yellow        = "\033[93m"
          self.brown         = "\033[33m"
          self.green         = "\033[92m"
          self.darkgreen     = "\033[32m"
          self.cyan          = "\033[36m"
          self.blue          = "\033[94m"
          self.navy          = "\033[34m"
          self.black         = "\033[30m"
        end
      end
    end
    def colors
      0.upto(109) {|i| print "\033[#{i}m 33[#{i}m \033[m"}
      puts ''
    end
    def color
      case @color_instruct
      when /invert/        then @cX.invert
      when /darkgrey_hi/   then @cX.darkgrey_hi
      when /grey_hi/       then @cX.grey_hi
      when /pink_hi/       then @cX.pink_hi
      when /fuchsia_hi/    then @cX.fuchsia_hi
      when /red_hi/        then @cX.red_hi
      when /orange_hi/     then @cX.orange_hi
      when /yellow_hi/     then @cX.yellow_hi
      when /brown_hi/      then @cX.brown_hi
      when /lightgreen_hi/ then @cX.lightgreen_hi
      when /green_hi/      then @cX.green_hi
      when /cyan_hi/       then @cX.cyan_hi
      when /blue_hi/       then @cX.blue_hi
      when /navy_hi/       then @cX.navy_hi
      when /white/         then @cX.white
      when /grey/          then @cX.grey
      when /pink/          then @cX.pink
      when /fuchsia/       then @cX.fuchsia
      when /ruby/          then @cX.ruby
      when /red/           then @cX.red
      when /orange/        then @cX.orange
      when /yellow/        then @cX.yellow
      when /brown/         then @cX.brown
      when /green/         then @cX.green
      when /darkgreen/     then @cX.darkgreen
      when /cyan/          then @cX.cyan
      when /blue/          then @cX.blue
      when /navy/          then @cX.navy
      when /close/         then @cX.off
      when /off/           then @cX.off
      end
    end
    def colorize
      case @color_instruct
      when /invert/        then puts "#{@cX.invert}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /darkgrey_hi/   then puts "#{@cX.darkgrey_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /grey_hi/       then puts "#{@cX.grey_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /pink_hi/       then puts "#{@cX.pink_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /fuchsia_hi/    then puts "#{@cX.fuchsia_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /red_hi/        then puts "#{@cX.red_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /orange_hi/     then puts "#{@cX.orange_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /yellow_hi/     then puts "#{@cX.yellow_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /brown_hi/      then puts "#{@cX.brown_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /lightgreen_hi/ then puts "#{@cX.lightgreen_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /green_hi/      then puts "#{@cX.green_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /cyan_hi/       then puts "#{@cX.cyan_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /blue_hi/       then puts "#{@cX.blue_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /navy_hi/       then puts "#{@cX.navy_hi}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off} #{@cX.grey}#{@txt[3]}#{@cX.off}"
      when /bold/          then puts "#{@cX.bold}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /white/         then puts "#{@cX.off}#{@txt[1]} #{@txt[2]}"
      when /grey/          then puts "#{@cX.grey}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /pink/          then puts "#{@cX.pink}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /fuchsia/       then puts "#{@cX.fuchsia}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /ruby/          then puts "#{@cX.ruby}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /red/           then puts "#{@cX.red}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /orange/        then puts "#{@cX.orange}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /yellow/        then puts "#{@cX.yellow}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /brown/         then puts "#{@cX.brown}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /green/         then puts "#{@cX.green}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /darkgreen/     then puts "#{@cX.darkgreen}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /cyan/          then puts "#{@cX.cyan}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /blue/          then puts "#{@cX.blue}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      when /navy/          then puts "#{@cX.navy}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
      end
    end
    def sourcename(sourcefilename)
      @sourcefilename=sourcefilename
    end
    def basename(sourcefilename)
      @basename=sourcefilename.sub(/\.(?:(?:-|ssm\.)?sst|ssm)$/,'')
    end
    def sisu
    end
    def rescue
      STDERR.puts %{\t   #{@cX.orange}Rescued#{@cX.off} #{@cX.grey}#{yield if block_given?}\n\t   An#{@cX.off} #{@cX.fuchsia}ERROR#{@cX.off} #{@cX.grey}occurred, message:#{@cX.off} #{@cX.fuchsia}#{@txt[0]}#{@cX.off} #{@cX.grey}#{@txt[1]}#{@cX.off} #{@cX.brown}#{@txt[2]}#{@cX.off}}
    end
    def warn
      STDERR.puts "\t  #{@cX.brown}#{@txt[0]}#{@cX.off} #{@cX.grey}#{@txt[1]}#{@cX.off}"
    end
    def error
      STDERR.puts "\t  #{@cX.fuchsia}#{@txt[0]}#{@cX.off} #{@cX.brown}#{@txt[1]}#{@cX.off}"
    end
    def error2
      STDERR.puts "\t  #{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.fuchsia}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
    end
    def version
      puts "#{@cX.blue_hi}#{@txt[0]} #{@txt[1]}#{@cX.off} #{@cX.grey} (#{@txt[3]} [#{@txt[2]}])#{@txt[4]} &#{@cX.off} #{@cX.ruby}Ruby#{@cX.off} #{@cX.grey}(#{@txt[5]})#{@cX.off}\n"
    end
    def html3numbers
      puts %{\t#{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.cyan}files processed#{@cX.off}. } +
        %{#{@cX.grey}} +
        %{scroll only: #{@txt[1]}, seg only: #{@txt[2]},} +
        %{#{@cX.off} } +
        %{#{@cX.cyan}joint scroll & seg: #{@txt[3]},#{@cX.off}} +
        %{#{@cX.grey} } +
        %{nav only: #{@txt[4]}} +
        %{#{@cX.off}}
    end
    def html2numbers
      puts %{\t#{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.cyan}files processed#{@cX.off}. } +
        %{#{@cX.grey}} +
        %{scroll only: #{@txt[1]},} +
        %{#{@cX.off} } +
        %{#{@cX.cyan}seg only: #{@txt[2]},#{@cX.off}} +
        %{#{@cX.grey} } +
        %{joint scroll & seg: #{@txt[3]}, nav only: #{@n_files_nav}} +
        %{#{@cX.off}}
    end
    def html1numbers
      puts %{\t#{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.cyan}files processed#{@cX.off}. } +
        %{#{@cX.cyan}scroll only: #{@txt[1]},#{@cX.off}} +
        %{#{@cX.grey} } +
        %{seg only: #{@txt[2]}, } +
        %{joint scroll & seg: #{@txt[3]}, nav only: #{@n_files_nav}} +
        %{#{@cX.off}}
    end
    def html0_numbers
      puts %{\t#{@cX.ruby}#{@txt[0]} files processed#{@cX.off}. } +
        %{#{@cX.grey}} +
        %{scroll only: #{@txt[1]}, seg only: #{@txt[2]}, joint scroll & seg: #{@txt[3]},} +
        %{#{@cX.off} } +
        %{#{@cX.cyan}nav only: #{@txt[4]}#{@cX.off}.}
    end
    def grey
      puts "#{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.cyan}#{@txt[1]}#{@cX.off}"
    end
    def txt_white
      puts "\t#{@cX.white}#{@txt[0]}#{@cX.off} #{@cX.white}#{@txt[1]}#{@cX.off}"
    end
    def txt_grey
      puts "\t#{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.cyan}#{@txt[1]}#{@cX.off}"
    end
    def txt_cyan
      puts "\t#{@cX.cyan}#{@txt[0]}#{@cX.off} #{@cX.grey}#{@txt[1]}#{@cX.off}"
    end
    def txt_blue
      puts "\t#{@cX.blue}#{@txt[0]}#{@cX.off} #{@cX.grey}#{@txt[1]}#{@cX.off}"
    end
    def txt_red
      puts "\t#{@cX.red}#{@txt[0]}#{@cX.off} #{@cX.cyan}#{@txt[1]}#{@cX.off}"
    end
    def txt_green
      puts "\t#{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.grey}#{@txt[1]}#{@cX.off}"
    end
    def url #clean
      blue
    end
    def result
      puts "\t#{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.green}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off}"
    end
    def maintenance
      puts "\t#{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.brown}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off}"
    end
    def instruct
      puts %{\t  #{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.cyan}#{@txt[1]}#{@cX.off} #{@cX.grey}#{@txt[2]}#{@cX.off} #{@cX.cyan}#{@txt[3]}#{@cX.off} #{@cX.grey}#{@txt[4]}#{@cX.off} "#{@cX.brown}#{@f}#{@cX.off}"}
    end
    def grey_open
      print @cX.grey
    end
    def p_off
      print @cX.off
    end
    def p_close
      print @cX.off
    end
    def flow
      puts %{\t#{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.ruby}->#{@cX.off}\n\t  #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def output
      puts %{\t#{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.ruby}->#{@cX.off}\n\t  #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def generic
      puts %{\t#{@cX.navy}#{@txt[0]} #{@txt[1]}#{@cX.off}. }
    end
    def files_processed
      puts %{\t#{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.grey}#{@txt[1]}#{@cX.off}}
    end
    def print_blue
      print "#{@cX.blue}#{@txt[0]} #{@txt[1]}#{@cX.off}"
    end
    def puts_blue
      puts "#{@cX.blue}#{@txt[0]} #{@txt[1]}#{@cX.off}"
    end
    def print_brown
      print "#{@cX.brown}#{@txt[0]}#{@cX.off}"
    end
    def blue_tab
      print  "\t#{@cX.blue}#{@txt[0]}#{@cX.off}\n"
    end
    def print_grey
      print "#{@cX.grey}#{@txt[0]} #{@txt[1]}#{@cX.off}"
    end
    def puts_grey
      puts "#{@cX.grey}#{@txt[0]} #{@txt[1]}#{@cX.off}"
    end
    def puts_brown
      puts "#{@cX.brown}#{@txt[0]} #{@txt[1]}#{@cX.off}"
    end
    def grey_tab
      print "\t#{@cX.grey}#{@txt[0]}#{@cX.off}\n"
    end
    def green_title
      puts %{#{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.grey}#{@txt[1]}#{@cX.off}}
    end
    def green_title_hi
      puts %{#{@cX.green_hi}#{@cX.black}#{@txt[0]}#{@cX.off*2} #{@cX.grey}#{@txt[1]}#{@cX.off}}
    end
    def green_hi_blue
      puts %{#{@cX.green_hi}#{@cX.black}#{@txt[0]}#{@cX.off*2} #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def blue_title_hi
      puts %{#{@cX.blue_hi}#{@txt[0]}#{@cX.off*2} #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def grey_title_hi
      puts %{#{@cX.grey_hi}#{@cX.black}#{@txt[0]}#{@cX.off*2} #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def grey_title_grey_blue
      puts %{#{@cX.grey_hi}#{@cX.black}#{@txt[0]}#{@cX.off*2} #{@cX.grey}#{@txt[1]}#{@cX.off} #{@cX.blue}#{@txt[2]}#{@cX.off}}
    end
    def dark_grey_title_hi
      puts %{#{@cX.darkgrey_hi}#{@cX.black}#{@txt[0]}#{@cX.off*2} #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def cyan_title_hi
      puts %{#{@cX.cyan_hi}#{@cX.black}#{@txt[0]}#{@cX.off*2} #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def cyan_hi_blue
      puts %{#{@cX.cyan_hi}#{@cX.black}#{@txt[0]}#{@cX.off*2} #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def dbi_title
      puts %{#{@cX.blue_hi}#{@cX.black}#{@txt[0]}#{@cX.off*2} #{@cX.cyan}#{@cX.grey}#{@txt[1]}#{@cX.off*2} #{@cX.green}#{@txt[2]}#{@cX.off}}
    end
    def yellow_title_hi
      puts %{#{@cX.yellow_hi}#{@cX.black}#{@txt[0]}#{@cX.off*2} #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def term_sheet_title
      puts %{\t#{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.red_hi}#{@cX.black}#{@txt[1]}.#{@cX.off*2} }
    end
    def generic_number
      puts "#{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.grey}#{@txt[1]}#{@cX.off}"
    end
    def tex_numbers
      puts %{  #{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.cyan}tex/pdf files processed#{@cX.off}.}
    end
    def tex_info_numbers
      puts %{  #{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.cyan}texinfo files processed#{@cX.off}.}
    end
    def lout_numbers
      puts %{  #{@cX.green}#{@n_lout}#{@cX.off} #{@cX.cyan}lout/pdf files processed#{@cX.off}.}
    end
    def parameters
    end
    def reserved
      puts %{ #{@cX.grey_hi}#{@cX.black}reserved#{@cX.off*2}}
    end
    def meta_verse_title
      puts %{#{@cX.green_hi}#{@cX.black}MetaVerse#{@cX.off*2} }
    end
    def meta_verse_title_v
      b=sourcename(@txt[0])
      puts %{#{@cX.green_hi}#{@cX.black}MetaVerse#{@cX.off*2} } +
        %{#{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.ruby}->#{@cX.off}\n\t  #{@cX.blue}~meta/#{b}.meta#{@cX.off}}
    end
    def meta_verse
      puts "\t#{@cX.grey}MetaVerse#{@cX.off}"
    end
    def meta_verse_skipped
      puts %{\t#{@cX.grey}MetaVerse: MarshalLoad (creation of metaVerse skipped)#{@cX.off}}
    end
    def meta_verse_load
      puts %{\t[ MetaVerse: MarshalLoad ]}
    end
    def html_title
      puts %{#{@cX.green_hi}#{@cX.black}HTML#{@cX.off*2}}
    end
    def html_output
      puts %{\t#{@cX.grey}#{@txt[0]}#{@cX.off} #{@cX.ruby}->#{@cX.off}\n\t  #{@cX.blue}#{@txt[1]}#{@cX.off}}
    end
    def segmented
      puts "\t#{@cX.grey}Seg#{@cX.off} #{@cX.green}#{@txt[0]}#{@cX.off} #{@cX.grey}segments#{@cX.off}"
    end
  end
end
__END__
        Color.new do
          self.off           = "\033[0m"
          self.white         = "\033[37m"
          self.white_bold    = "\033[1m"
          self.marker        = "\033[42m"
          self.bold          = "\033[1m"
          self.underline     = "\033[4m"
          self.invert        = "\033[7m"
          self.darkgrey_hi   = "\033[100m"
          self.grey_hi       = "\033[47m"
          self.pink_hi       = "\033[105m"
          self.fuchsia_hi    = "\033[45m"
          self.red_hi        = "\033[41m"
          self.orange_hi     = "\033[101m"
          self.yellow_hi     = "\033[103m"
          self.brown_hi      = "\033[43m"
          self.lightgreen_hi = "\033[102m"
          self.green_hi      = "\033[42m"
          self.cyan_hi       = "\033[106m"
          self.blue_hi       = "\033[104m"
          self.navy_hi       = "\033[44m"
          self.grey          = "\033[90m"
          self.pink          = "\033[95m"
          self.fuchsia       = "\033[35m"
          self.ruby          = "\033[31m"
          self.red           = "\033[91m" #check
          self.orange        = "\033[91m"
          self.yellow        = "\033[93m"
          self.brown         = "\033[33m"
          self.green         = "\033[92m"
          self.darkgreen     = "\033[32m"
          self.cyan          = "\033[36m"
          self.blue          = "\033[94m"
          self.navy          = "\033[34m"
          self.black         = "\033[30m"
        end
# fewer colors
        Color.new do
          self.off           = "\033[0m"
          self.white         = "\033[0m"
          self.marker        = "\033[42m"
          self.bold          = "\033[1m"
          self.underline     = "\033[4m"
          self.invert        = "\033[7m"
          self.darkgrey_hi   = "\033[100m"
          self.grey_hi       = "\033[47m"
          self.pink_hi       = "\033[105m"
          self.fuchsia_hi    = "\033[45m"
          self.red_hi        = "\033[41m"
          self.orange_hi     = "\033[101m"
          self.yellow_hi     = "\033[103m"
          self.brown_hi      = "\033[43m"
          self.lightgreen_hi = "\033[102m"
          self.green_hi      = "\033[42m"
          self.cyan_hi       = "\033[106m"
          self.blue_hi       = "\033[104m"
          self.navy_hi       = "\033[44m"
          self.grey          = "\033[90m"
          self.pink          = "\033[95m"
          self.fuchsia       = "\033[35m"
          self.ruby          = "\033[31m"
          self.red           = "\033[31m" #check
          self.orange        = "\033[91m"
          self.yellow        = "\033[33m"
          self.brown         = "\033[33m"
          self.green         = "\033[32m"
          self.darkgreen     = "\033[32m"
          self.cyan          = "\033[36m"
          self.blue          = "\033[34m"
          self.navy          = "\033[34m"
          self.black         = "\033[30m"
        end
#+END_SRC

* document header

#+NAME: sisu_document_header
#+BEGIN_SRC text
encoding: utf-8
- Name: SiSU

  - Description: documents, structuring, processing, publishing, search
    utils

  - Author: Ralph Amissah
    <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, 2017, 2019,
    2020, 2021, 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

  - Homepages:
    <http://www.sisudoc.org>

  - Git
    <https://git.sisudoc.org/projects/>
    <https://git.sisudoc.org/projects/?p=software/sisu.git;a=summary>
    <https://git.sisudoc.org/projects/?p=markup/sisu-markup-samples.git;a=summary>
#+END_SRC