-*- mode: org -*-
#+TITLE:       spine (doc_reform) rb cgi (fcgi)
#+DESCRIPTION: documents - structuring, various output representations & search
#+FILETAGS:    :spine:hub:
#+AUTHOR:      Ralph Amissah
#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
#+COPYRIGHT:   Copyright (C) 2015 - 2022 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

- [[./spine.org][spine]]  [[./][org/]]
- [[./output_hub.org][output_hub]]

* cgi
** search ruby scripts

#+BEGIN_SRC sh
cd /etc/apache2/conf-enabled && sudo ln -s ../conf-available/serve-cgi-bin.conf
cd /etc/apache2/mods-enabled && sudo ln -s ../mods-available/cgi.load
sudo cp -vi ../utils/cgi/spine.search.cgi /usr/lib/cgi-bin/.
document home currently at /var/www/html (better placed at /var/www or srv/project_name/www)
~dr/bin/spine-ldc -v --sqlite-db-create --sqlite-db-filename=spine.sqlite.db --output=/tmp/dr ~grotto/repo/git.repo/code/project-spine/doc-reform-markup/markup_samples/markup/pod/*
~dr/bin/spine-ldc -v --sqlite-update --sqlite-db-filename=spine.sqlite.db --output=/tmp/dr ~grotto/repo/git.repo/code/project-spine/doc-reform-markup/markup_samples/markup/pod/*
#+END_SRC

*** sqlite cgi search TODO
**** tangle

#+HEADER: :tangle "../sundry/misc/util/rb/cgi/spine.search.cgi"
#+HEADER: :tangle-mode (identity #o755)
#+HEADER: :shebang #!/usr/bin/env ruby
#+BEGIN_SRC ruby
<<license>>
<<cgi_init>>
<<form_init>>
  <<form_submission>>
end
<<form_search_request_init>>
  <<form_match_text>>
end
<<form_search_string>>
<<form_search_statement>>
  <<form_misc>>
<<form_select_statement>>
<<form_tail>>
<<form_loop>>
    <<form_search_canned>>
    <<form_submit>>
    <<form_contents_each_text>>
<<form_contents_after>>
#+END_SRC

**** head

#+NAME: license
#+BEGIN_SRC ruby
=begin
 * Name: SiSU information Structuring Universe
 * Author: Ralph Amissah
   * https://sisudoc.org
   * https://git.sisudoc.org

 * Description: generates naive cgi search form for search of sisu database (sqlite)
 * Name: SiSU generated sample cgi search form

 * Description: generated sample cgi search form for SiSU
   (SiSU is a framework for document structuring, publishing and search)

 * Author: Ralph Amissah

 * Copyright: (C) 1997 - 2014, 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 <https://www.gnu.org/licenses/>.

   If you have Internet connection, the latest version of the GPL should be
   available at these locations:
   <https://www.fsf.org/licenses/gpl.html>
   <https://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

 * Homepages:
   <https://www.sisudoc.org>

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

=end
#+END_SRC

**** initialize

#+NAME: cgi_init
#+BEGIN_SRC ruby
begin
  require 'cgi'
  require 'fcgi'
  require 'sqlite3'
rescue LoadError
  puts 'cgi, fcgi or sqlite3 NOT FOUND (LoadError)'
end
@stub_default            = 'search'
@image_src               = "https://#{ENV['HTTP_HOST']}/image_sys"
@hosturl_cgi             = "https://#{ENV['HTTP_HOST']}#{ENV['PATH_INFO']}"
@hosturl_files           = "https://#{ENV['HTTP_HOST']}"
@output_dir_structure_by = 'language'
@lingual                 = 'multi'
@db_name_prefix          = 'spine.'
@base                    = "https://#{ENV['HTTP_HOST']}#{ENV['PATH_INFO']}#{ENV['SCRIPT_NAME']}"
#Common TOP
@@offset                 = 0
@@canned_search_url      = @base
@color_heading           = '#DDFFAA'
@color_match             = '#ffff48'
#+END_SRC

**** form
***** initialize form

#+NAME: form_init
#+BEGIN_SRC ruby
class Form
  def initialize(base,search_field,selected_db,result_type,checked_sql_limit,checked_tip,checked_stats,checked_searched,checked_url,checked_case,checked_echo,checked_sql,checked_all,checked_none,checked_selected,checked_default,search_note,the_can='')
    search_note  = '' if checked_searched !~ /\S/
    the_can      = '' if checked_url      !~ /\S/
    search_field = '' if checked_echo     !~ /\S/
    @base,@search_field,@selected_db,@result_type,@checked_sql_limit,@checked_tip,@checked_stats,@checked_searched,@checked_url,@checked_case,@checked_echo,@checked_sql,@checked_all,@checked_none,@checked_selected,@checked_default,@search_note,@the_can=base,search_field,selected_db,result_type,checked_sql_limit,checked_tip,checked_stats,checked_searched,checked_url,checked_case,checked_echo,checked_sql,checked_all,checked_none,checked_selected,checked_default,search_note,the_can
    @tip         = if checked_tip         =~ /\S/
      '<font size="2" color="#666666">text:__; fulltxt:__; keywords:__; title:__; author:__; topic_register:__; subject:__; description:__; publisher:__; editor:__; contributor:__; date:__; type:__; format:__; identifier:__; source:__; language:__; relation:__; coverage:__; rights:__; comment:__; abstract:__; src_filename_base:__;</font><br />'
    else ''
    end
  end
#+END_SRC

***** submission form

#+NAME: form_submission
#+BEGIN_SRC ruby
def submission_form
  search_form =<<-WOK
  <!DOCTYPE html>
  <html>
  <head>
    <title>
    <meta charset="utf-8">
    <meta name="sourcefile" content="SiSU._sst" />
    SiSU search form (sample): SiSU information Structuring Universe
    </title>
    <link rel="generator" href="https://sisudoc.org/" />
    <link rel="shortcut icon" href="https://#{ENV['HTTP_HOST']}/_sisu/image_sys/rb7.ico" />
    <link href="../_sisu/css/html.css" rel="stylesheet">
  </head>
  <body lang="en" xml:lang="en">
  <table summary="band" border="0" cellpadding="3" cellspacing="0">
  <tr><td width="20%">
   <table summary="home button / home information" border="0" cellpadding="3" cellspacing="0">
   <tr><td align="left">
    <br /><a href="https://sisudoc.org/" target="_top">
      <b>SiSU</b>
    </a>
    <br /><a href="https://git.sisudoc.org/" target="_top">
      git
    </a>
   </td></tr>
   </table>
  </td>
  <td>
    <label for="find"><b>SiSU (generated sample) search form (content organised by filetype)</b></label>
  </td></tr>
  </table>
  <form action="#{@base}" id="Test Form" method="post">
    <table cellpadding="2">
    <tr><td valign=\"top\">
        <textarea id="find" name="find" type="text" rows="6" cols="40" maxlength="256">#{@search_field}</textarea>
    </td>
    <td valign=\"top\">
      #{@tip}
      #{@search_note}
      #{@the_can}
    </td></tr></table>
    <td valign=\"top\"><tr><td>
      <!input type="text" id="find" name="find" value="#{@search_field}" />
      <!input type="text" id="find" name="find" value="" />
      <font size="2" color="#222222">
      <b>to search:</b> select which database to search (drop-down menu below); enter your search query (in the form above); and <b>click on the search button</b> (below)
      <br />
      <select name="db" size="1">
        #{@selected_db}
            <option value="spine.sqlite">spine</option>
      </select>
      <input type="submit" value="SiSU search" />
      <input type="radio" name="view" value="index" #{@result_type[:index]}> index
      <input type="radio" name="view" value="text" #{@result_type[:text]}> text / grep
      <br />
        match limit:
        <input type="radio" name="sql_match_limit" value="1000" #{@checked_sql_limit[:l1000]}> 1,000
        <input type="radio" name="sql_match_limit" value="2500" #{@checked_sql_limit[:l2500]}> 2,500
      <br />
        <input type="checkbox" name="echo" #{@checked_echo}> echo query
        <input type="checkbox" name="stats" #{@checked_stats}> result stats
        <input type="checkbox" name="url" #{@checked_url}> search url
        <input type="checkbox" name="searched" #{@checked_searched}> searched
        <input type="checkbox" name="tip" #{@checked_tip}> available fields
        <input type="checkbox" name="sql" #{@checked_sql}> sql statement
      <br />
        checks:
        <input type="radio" name="checks" value="check_default" #{@checked_default}> default
        <input type="radio" name="checks" value="check_selected" #{@checked_selected}> selected
        <input type="radio" name="checks" value="check_all" #{@checked_all}> all
        <input type="radio" name="checks" value="check_none" #{@checked_none}> none
        </font>
    </td></tr>
    </table>
  </form>
  WOK
end
#+END_SRC

**** search request
***** initialize request

#+NAME: form_search_request_init
#+BEGIN_SRC ruby
class SearchRequest                                                       #% search_for
  attr_accessor :text1,:fulltext,:keywords,:title,:author,:topic_register,:subject,:description,:publisher,:editor,:contributor,:date,:type,:format,:identifier,:source,:language,:relation,:coverage,:rights,:comment,:abstract,:owner,:date_created,:date_issued,:date_modified,:date_available,:date_valid,:src_filename_base
  def initialize(search_field='',q='')
    @search_field,@q=search_field,q
    @text1=@fulltext=@keywords=@title=@author=@topic_register=@subject=@description=@publisher=@editor=@contributor=@date=@type=@format=@identifier=@source=@language=@relation=@coverage=@rights=@comment=@abstract=@owner=@date_created=@date_issued=@date_modified=@date_available=@date_valid=@filename=''
    if @search_field=~/\S/
      @text1          = text_to_match('text:')
      @fulltext       = text_to_match('fulltxt:')
      @topic_register = text_to_match('topic_register:')
      @title          = text_to_match('title:')                # DublinCore 1  - title
      @author         = text_to_match('(?:author|creator)s?:') # DublinCore 2  - creator/author
      @subject        = text_to_match('subj(?:ect)?:')         # DublinCore 3  - subject
      @description    = text_to_match('description:')          # DublinCore 4  - description
      @publisher      = text_to_match('pub(?:lisher)?:')       # DublinCore 5  - publisher
      @editor         = text_to_match('editor:')
      @contributor    = text_to_match('contributor:')          # DublinCore 6  - contributor
      @date           = text_to_match('date:')                 # DublinCore 7  - date dd-mm-yy
      @type           = text_to_match('type:')                 # DublinCore 8  - type
      @format         = text_to_match('format:')               # DublinCore 9  - format
      @identifier     = text_to_match('identifier:')           # DublinCore 10 - identifier
      @source         = text_to_match('source:')               # DublinCore 11 - source
      @language       = text_to_match('language:')             # DublinCore 12 - language
      @relation       = text_to_match('relation:')             # DublinCore 13 - relation
      @coverage       = text_to_match('coverage:')             # DublinCore 14 - coverage
      @rights         = text_to_match('rights:')               # DublinCore 15 - rights
      @keywords       = text_to_match('key(?:words?)?:')
      @comment        = text_to_match('comment:')
      @abstract       = text_to_match('abs(?:tract)?:')
      @owner          = text_to_match('owner:')
      @date_created   = text_to_match('date_created:')
      @date_issued    = text_to_match('date_issued:')
      @date_modified  = text_to_match('date_modified:')
      @date_available = text_to_match('date_available:')
      @date_valid     = text_to_match('date_valid:')
      @filename       = text_to_match('src_filename_base:')
      @text1          = text_to_match unless @keywords or @author or @title or @text1 or @fulltext or @comment or @abstract or @rights or @subject or @publisher or @date or @filename or @topic_register
    else
      @text1          = q['s1']   if q['s1']   =~ /\S/
      @fulltext       = q['ft']   if q['ft']   =~ /\S/
      @keywords       = q['key']  if q['key']  =~ /\S/
      @title          = q['ti']   if q['ti']   =~ /\S/
      @author         = q['au']   if q['au']   =~ /\S/
      @topic_register = q['tr']   if q['tr']   =~ /\S/
      @subject        = q['sj']   if q['sj']   =~ /\S/
      @description    = q['dsc']  if q['dsc']  =~ /\S/
      @publisher      = q['pb']   if q['pb']   =~ /\S/
      @editor         = q['cntr'] if q['cntr'] =~ /\S/
      @contributor    = q['cntr'] if q['cntr'] =~ /\S/
      @date           = q['dt']   if q['dt']   =~ /\S/
      @type           = q['ty']   if q['ty']   =~ /\S/
      @identifier     = q['id']   if q['id']   =~ /\S/
      @source         = q['src']  if q['src']  =~ /\S/
      @language       = q['lang'] if q['lang'] =~ /\S/
      @relation       = q['rel']  if q['rel']  =~ /\S/
      @coverage       = q['cov']  if q['cov']  =~ /\S/
      @rights         = q['cr']   if q['cr']   =~ /\S/
      @comment        = q['co']   if q['co']   =~ /\S/
      @abstract       = q['ab']   if q['ab']   =~ /\S/
      @date_created   = q['dtc']  if q['dtc']  =~ /\S/
      @date_issued    = q['dti']  if q['dti']  =~ /\S/
      @date_modified  = q['dtm']  if q['dtm']  =~ /\S/
      @date_available = q['dta']  if q['dta']  =~ /\S/
      @date_valid     = q['dtv']  if q['dtv']  =~ /\S/
      @filename = if q['doc'] and q['search'] !~ /search db/ then q['doc']
        elsif        q['fns'] =~ /\S/                        then q['fns']
        end
      @@limit         = q['ltd']  if q['ltd']  =~ /\d+/ # 1000
      @@offset        = q['off']  if q['off']  =~ /\d+/ # 0
    end
  end
#+END_SRC

***** text to match

#+NAME: form_match_text
#+BEGIN_SRC ruby
def text_to_match(identifier='')
  m={
    string: /#{identifier}\s*(.+?)/,
    string: /#{identifier}\s*(.+?)(?:;|\n|\r|$)/,
    word:   /#{identifier}[\s(]*(\S+)/
  }
  search_string=if @search_field =~m[:word]
    search_string=if @search_field =~m[:braces] then m[:braces].match(@search_field)[1]
    elsif @search_field =~m[:string]            then m[:string].match(@search_field)[1]
    else
      str=m[:word].match(@search_field)[1]
      str=str.gsub(/[()]/,'')
      str
    end
    search_string=search_string.strip.gsub(/\s+/,'+')
  #else
  #  "__"
  end
end
#+END_SRC

**** search string

#+NAME: form_search_string
#+BEGIN_SRC ruby
class DBI_SearchString
  def initialize(l,t,q,cse=false)
    @l,@t,@q=l,t,q
  end
  def string
    search={ search: [], flag: false }
    if @t =~/\S+/ or @q =~/\S+/
      if @t =~/\S+/    then unescaped_search=CGI.unescape(@t)
      elsif @q =~/\S+/ then unescaped_search=CGI.unescape(@q)
      end
      search_construct=[]
      unescaped_search=unescaped_search.gsub(/\s*(AND|OR)\s*/,"%' \) \\1 #{@l} LIKE \( '%").
        gsub(/(.+)/,"#{@l} LIKE \( '%\\1%' \)")
      search_construct << unescaped_search
      search_construct=search_construct.join(' ')
      search[:search]                    << search_construct
      search[:flag]=true
      search
    end
    search
  end
end
#+END_SRC

**** search statement
***** init

#+NAME: form_search_statement
#+BEGIN_SRC ruby
class DBI_SearchStatement
  attr_reader :text_search_flag,:sql_select_body_format,:sql_offset,:sql_limit
  def initialize(conn,search_for,q,c)
    @conn=conn
    @text_search_flag=false
    @sql_statement={ body: '', endnotes: '', range: '' }
    #@offset||=@@offset
    #@offset+=@@limit
    search={ text: [], endnotes: [] }
    cse=(c =~/\S/) ? true : false
    st=DBI_SearchString.new('doc_objects.clean',search_for.text1,q['s1'],cse).string
    se=DBI_SearchString.new('endnotes.clean',search_for.text1,q['s1'],cse).string
    @text_search_flag=st[:flag]
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.fulltext',search_for.fulltext,q['ft'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.title',search_for.title,q['ti'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.creator_author',search_for.author,q['au'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.classify_topic_register',search_for.topic_register,q['tr'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.classify_subject',search_for.subject,q['sj'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.classify_keywords',search_for.keywords,q['key'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.notes_description',search_for.description,q['dsc'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.publisher',search_for.publisher,q['pb'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.creator_editor',search_for.editor,q['cntr'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.creator_contributor',search_for.contributor,q['cntr'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.date_published',search_for.date,q['dt'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.notes_type',search_for.type,q['ty'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.original_source',search_for.source,q['src'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.language_document_char',search_for.language,q['lang'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.notes_relation',search_for.relation,q['rel'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.notes_coverage',search_for.coverage,q['cov'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.rights_all',search_for.rights,q['cr'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.notes_comment',search_for.comment,q['co'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.notes_abstract',search_for.abstract,q['ab'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    st = DBI_SearchString.new('metadata_and_text.src_filename_base',search_for.src_filename_base,q['fns'],cse).string
    if st[:flag]
      search[:text]                    << st[:search]
    end
    @@limit=q['ltd'] if q['ltd']=~/\d+/  # 1000
    @@offset=q['off'] if q['off']=~/\d+/ # 0
    @search_text=''
    @search_text=search[:text].flatten.join(' AND ')
    @search_text=@search_text.gsub(/(doc_objects\.clean\s+LIKE\s+\(\s*'%[^']+%'\s*\)\s+(?:(?:AND|OR)\s+doc_objects\.clean\s+LIKE\s+\(\s*'%[^']+%'\s*\))+)/,'(\1)')
  end
#+END_SRC

***** misc

#+NAME: form_misc
#+BEGIN_SRC ruby
def sql_offset
  @@offset
end
def sql_match_limit
  @@limit
end
def sql_canned_search
  @offset_next=sql_offset.to_i + sql_match_limit.to_i
  @offset_previous=sql_offset.to_i - sql_match_limit.to_i
  def current
    @@canned_search_url.to_s + '&ltd=' + sql_match_limit.to_s + '&off=' + sql_offset.to_s
  end
  def next
    @@canned_search_url.to_s + '&ltd=' + sql_match_limit.to_s + '&off=' + @offset_next.to_s
  end
  def previous
    @offset_previous >= 0 \
    ? (@@canned_search_url.to_s + '&ltd=' + sql_match_limit.to_s + '&off=' + @offset_previous.to_s)
    : ''
  end
  def start
    @@canned_search_url.to_s + '&ltd=' + sql_match_limit.to_s + '&off=' + 0.to_s
  end
  self
end
def pre_next(beyond_limit,img)
  can=sql_canned_search
  page=(sql_offset.to_i + sql_match_limit.to_i)/sql_match_limit.to_i
  if beyond_limit
    if page.to_s =~ /^1$/
      %{<br /><center>
      pg. #{page.to_s}
      <a href="#{can.next}">
        <img border="0" width="22" height="22" src="#{img}/arrow_next_red.png" alt="&nbsp;&gt;&gt;" />
      </a>
      </center>}
    elsif page.to_s =~ /^2$/
      %{<br /><center>
      <a href="#{can.previous}">
        <img border="0" width="22" height="22" src="#{img}/arrow_prev_red.png" alt="&lt;&lt;&nbsp;" />
      </a>
      pg. #{page.to_s}
      <a href="#{can.next}">
        <img border="0" width="22" height="22" src="#{img}/arrow_next_red.png" alt="&nbsp;&gt;&gt;" />
      </a>
      </center>}
    else
      %{<br /><center>
      <a href="#{can.start}">
        <img border="0" width="22" height="22" src="#{img}/arrow_prev_red.png" alt="|&lt;&nbsp;" />
      </a>
      <a href="#{can.previous}">
        <img border="0" width="22" height="22" src="#{img}/arrow_prev_red.png" alt="&lt;&lt;&nbsp;" />
      </a>
      pg. #{page.to_s}
      <a href="#{can.next}">
        <img border="0" width="22" height="22" src="#{img}/arrow_next_red.png" alt="&nbsp;&gt;&gt;" />
      </a>
      </center>}
    end
  else
    if page.to_s =~ /^1$/ then ''
    elsif page.to_s =~ /^2$/
      %{<br /><center>
      <a href="#{can.previous}">
        <img border="0" width="22" height="22" src="#{img}/arrow_prev_red.png" alt="&lt;&lt;&nbsp;" />
      </a>
      pg. #{page.to_s}
      </center>}
    else
      %{<br /><center>
      <a href="#{can.start}">
        <img border="0" width="22" height="22" src="#{img}/arrow_prev_red.png" alt="|&lt;&nbsp;" />
      </a>
      <a href="#{can.previous}">
        <img border="0" width="22" height="22" src="#{img}/arrow_prev_red.png" alt="&lt;&lt;&nbsp;" />
      </a>
      pg. #{page.to_s}
      </center>}
    end
  end
end
#+END_SRC

***** select statement

#+NAME: form_select_statement
#+BEGIN_SRC ruby
  def sql_select_body
    limit  ||= @@limit
    offset ||= @@offset
    @sql_statement[:body]  = %{
      SELECT metadata_and_text.title, metadata_and_text.creator_author, metadata_and_text.src_filename_base, metadata_and_text.language_document_char, metadata_and_text.notes_suffix, doc_objects.body, doc_objects.seg_name, doc_objects.ocn, metadata_and_text.uid
      FROM doc_objects, metadata_and_text
      WHERE #{@search_text} AND doc_objects.uid_metadata_and_text = metadata_and_text.uid
      ORDER BY metadata_and_text.language_document_char, metadata_and_text.title, metadata_and_text.src_filename_base, doc_objects.ocn
    }
    @sql_statement[:range] = %{LIMIT #{limit} OFFSET #{offset} ;}
    select                 = @sql_statement[:body] + ' ' + @sql_statement[:range]
    select
  end
  def sql_select_body_format
    %{<font color="#666666" size="2">#{sql_select_body}</font>}
  end
  def contents
    @conn.execute(sql_select_body)
  end
end
#+END_SRC

**** tail

#+NAME: form_tail
#+BEGIN_SRC ruby
def tail
  <<-'WOK'
    <br /><hr /><br />
<table summary="SiSU summary" cellpadding="2" border="0">
  <!-- widget sisu -->
<tr><td valign="top" width="10%">
 <table summary="home button / home information" border="0" cellpadding="3" cellspacing="0">
 <tr><td align="left">
  <br /><a href="https://sisudoc.org/" target="_top">
    <b>SiSU</b>
  </a>
  <br /><a href="https://git.sisudoc.org/" target="_top">
    git
  </a>
 </td></tr>
 </table>
</td>
<td valign="top" width="45%">
<!-- SiSU Rights -->
  <p class="tiny_left"><font color="#666666" size="2">
    Generated by
      SiSU 6.3.1 2014-10-19 (2014w41/7)
    <br />
    <a href="https://www.sisudoc.org" >
    <b>SiSU</b></a> <sup>&copy;</sup> Ralph Amissah
    1993, current 2014.
    All Rights Reserved.
    <br />
      SiSU is software for document structuring, publishing and search,
    <br />
      <a href="https://www.sisudoc.org" >
      www.sisudoc.org
    </a>
    sources
    <a href="https://git.sisudoc.org" >
      git.sisudoc.org
    </a>
  <br />
    <i>w3 since October 3 1993</i>
    <a href="mailto:ralph@amissah.com" >
      ralph@amissah.com
    </a>
  <br />
    mailing list subscription
    <a href="https://lists.sisudoc.org/listinfo/sisu" >
      https://lists.sisudoc.org/listinfo/sisu
    </a>
  <br />
    <a href="mailto:sisu@lists.sisudoc.org" >
      sisu@lists.sisudoc.org
    </a>
  </font></p>
</td><td valign="top" width="45%">
  <p class="tiny_left"><font color="#666666" size="2">
    SiSU using:
    <br />Standard SiSU markup syntax,
    <br />Standard SiSU meta-markup syntax, and the
    <br />Standard SiSU <u>object citation numbering</u> and system, (object/text identifying/locating system)
  <br />
    <sup>&copy;</sup> Ralph Amissah 1997, current 2014.
    All Rights Reserved.
  </font></p>
</td></tr>
  <!-- widget way better -->
<tr><td valign="top" width="10%">
  <p class="tiny_left"><font color="#666666" size="2">
    <a href="https://www.gnu.org/licenses/gpl.html">
      .:
    </a>
  </font></p>
</td><td valign="top" width="45%">
  <p class="tiny_left"><font color="#666666" size="2">
    SiSU is released under
    <a href="https://www.gnu.org/licenses/gpl.html">GPL&nbsp;v3</a>
    or later,
    <a href="https://www.gnu.org/licenses/gpl.html">
      https://www.gnu.org/licenses/gpl.html
    </a>
  </font></p>
</td><td valign="top" width="45%">
  <p class="tiny_left"><font color="#666666" size="2">
    SiSU, developed using
    <a href="https://www.ruby-lang.org/en/">
      Ruby
    </a>
    on
    <a href="https://www.debian.org/">
      Debian/Gnu/Linux
    </a>
    software infrastructure,
    with the usual GPL (or OSS) suspects.
  </font></p>
</td></tr>
</table>
    <a name="bottom" id="bottom"></a><a name="down" id="down"></a><a name="end" id="end"></a><a name="finish" id="finish"></a><a name="stop" id="stop"></a><a name="credits" id="credits"></a>
    </body></html>
  WOK
end
#+END_SRC

**** fcgi each
***** init & start loop

#+NAME: form_loop
#+BEGIN_SRC ruby
@tail=tail
@counter_txt_doc,@counter_txt_ocn,@counter_endn_doc,@counter_endn_ocn=0,0,0,0
@counters_txt,@counters_endn,@sql_select_body='','',''
FCGI.each_cgi do |cgi|
  begin # all code goes in begin section
    @search={ text: [], endnotes: [] }
    q=CGI.new
    @db=if cgi['db'] =~ /#{@db_name_prefix}(\S+)/
      @stub=$1
      cgi['db']
    else
      @stub=@stub_default
      @db_name_prefix + @stub
    end
    checked_url,checked_stats,checked_searched,checked_tip,checked_case,checked_echo,checked_sql,checked_all,checked_none,checked_selected,checked_default,selected_db='','','','','','','','',''
    result_type=(cgi['view']=~/text/) \
    ? result_type={ index: '', text: 'checked'}
    : result_type={ index: 'checked', text: ''}
    @@limit=if cgi['sql_match_limit'].to_s=~/2500/
      checked_sql_limit={ l1000: '', l2500: 'checked'}
      '2500'
    else
      checked_sql_limit={ l1000: 'checked', l2500: ''}
      '1000'
    end
    checked_echo     =  'checked' if cgi['echo'] =~/\S/
    checked_stats    =  'checked' if cgi['stats'] =~/\S/
    checked_url      =  'checked' if cgi['url'] =~/\S/ or cgi['u'].to_i==1
    checked_searched =  'checked' if cgi['searched'] =~/\S/
    checked_tip      =  'checked' if cgi['tip'] =~/\S/
    checked_case     =  'checked' if cgi['casesense'] =~/\S/
    checked_sql      =  'checked' if cgi['sql'] =~/\S/
    if cgi['checks'] =~ /check_all/ or cgi['check_all'] =~/\S/ or cgi['a'].to_i==1
      checked_all    =  'checked'
      checked_echo=checked_stats=checked_url=checked_searched=checked_tip=checked_sql='checked'
      checked_none   =''
    elsif cgi['checks'] =~ /check_none/
      checked_none = 'checked'
      checked_all=checked_url=checked_stats=checked_searched=checked_tip=checked_echo=checked_sql=''
    elsif cgi['checks'] =~ /check_selected/
      checked_selected = 'checked'
    elsif cgi['checks'] =~ /check_default/
      checked_default = 'checked'
      checked_echo=checked_stats=checked_url='checked'
      checked_searched=checked_tip=checked_case=checked_sql=''
    else
      checked_selected='checked'
      checked_echo=checked_stats=checked_url='checked'
      checked_searched=checked_tip=checked_case=checked_sql=''
    end
    selected_db=case cgi['db']
     when /spine.sqlite/ then '<option value="spine.sqlite">spine</option>'
    end
    db_name='spine.search.sql.db'
    #db_name='spine.sqlite.db'
    #db_name='sisu_sqlite.db'
    db_sqlite=case cgi['db']
    when /spine.sqlite/ then "/srv/complete.sisudoc.org/web/manual/#{db_name}"
     else  "/var/www/sqlite/#{db_name}"
    end
    #when /spine.sqlite/ then "/srv/complete.sisudoc.org/web/manual/#{db_name}"
     #else  "/srv/complete.sisudoc.org/web/manual/#{db_name}"
    #end
    #@conn=SQLite3::Database.new(db_sqlite)
    @conn=SQLite3::Database.new("/var/www/sqlite/spine.search.sql.db")
    #@conn=SQLite3::Database.new("/var/www/spine.sqlite.db")
    @conn.results_as_hash=true
    search_field=cgi['find'] if cgi['find'] # =~/\S+/
    @search_for=SearchRequest.new(search_field,q) #.analyze               #% search_for
                                                                           #% searches
#+END_SRC

***** canned search

#+NAME: form_search_canned
#+BEGIN_SRC ruby
#Canned_search.new(@base,@search_for.text1,cgi)
if @search_for.text1=~/\S+/ or @search_for.fulltext=~/\S+/ or @search_for.author=~/\S+/ or @search_for.topic_register=~/\S+/  #and search_field =~/\S/
  s1   = 's1='    + CGI.escape(@search_for.text1)          if @search_for.text1          =~ /\S/
  ft   = '&ft='   + CGI.escape(@search_for.fulltext)       if @search_for.fulltext       =~ /\S/
  key  = 'key='   + CGI.escape(@search_for.keywords)       if @search_for.keywords       =~ /\S/
  ti   = '&ti='   + CGI.escape(@search_for.title)          if @search_for.title          =~ /\S/
  au   = '&au='   + CGI.escape(@search_for.author)         if @search_for.author         =~ /\S/
  tr   = '&tr='   + CGI.escape(@search_for.topic_register) if @search_for.topic_register =~ /\S/
  sj   = '&sj='   + CGI.escape(@search_for.subject)        if @search_for.subject        =~ /\S/
  dsc  = '&dsc='  + CGI.escape(@search_for.description)    if @search_for.description    =~ /\S/
  pb   = '&pb='   + CGI.escape(@search_for.publisher)      if @search_for.publisher      =~ /\S/
  edt  = '&edt='  + CGI.escape(@search_for.editor)         if @search_for.editor         =~ /\S/
  cntr = '&cntr=' + CGI.escape(@search_for.contributor)    if @search_for.contributor    =~ /\S/
  dt   = '&dt='   + CGI.escape(@search_for.date)           if @search_for.date           =~ /\S/
  ty   = '&ty='   + CGI.escape(@search_for.type)           if @search_for.type           =~ /\S/
  id   = '&id='   + CGI.escape(@search_for.identifier)     if @search_for.identifier     =~ /\S/
  src  = '&src='  + CGI.escape(@search_for.source)         if @search_for.source         =~ /\S/
  lang = '&lang=' + CGI.escape(@search_for.language)       if @search_for.language       =~ /\S/
  rel  = '&rel='  + CGI.escape(@search_for.relation)       if @search_for.relation       =~ /\S/
  cov  = '&cov='  + CGI.escape(@search_for.coverage)       if @search_for.coverage       =~ /\S/
  cr   = '&cr='   + CGI.escape(@search_for.rights)         if @search_for.rights         =~ /\S/
  co   = '&co='   + CGI.escape(@search_for.comment)        if @search_for.comment        =~ /\S/
  ab   = '&ab='   + CGI.escape(@search_for.abstract)       if @search_for.abstract       =~ /\S/
  dtc  = '&dtc='  + CGI.escape(@search_for.date_created)   if @search_for.date_created   =~ /\S/
  dti  = '&dti='  + CGI.escape(@search_for.date_issued)    if @search_for.date_issued    =~ /\S/
  dtm  = '&dtm='  + CGI.escape(@search_for.date_modified)  if @search_for.date_modified  =~ /\S/
  dta  = '&dta='  + CGI.escape(@search_for.date_available) if @search_for.date_available =~ /\S/
  dtv  = '&dtv='  + CGI.escape(@search_for.date_valid)     if @search_for.date_valid     =~ /\S/
  fns  = '&fns='  + CGI.escape(@search_for.src_filename_base)   if @search_for.src_filename_base       =~ /\S/
  @@canned_search_url=(checked_all =~/checked/) \
  ? "#{@base}?#{s1}#{ft}#{key}#{ti}#{au}#{tr}#{sj}#{dsc}#{pb}#{edt}#{cntr}#{dt}#{ty}#{id}#{src}#{lang}#{rel}#{cov}#{cr}#{co}#{ab}#{dtc}#{dti}#{dtm}#{dta}#{dtv}#{fns}&db=#{cgi['db']}&view=#{cgi['view']}&a=1"
  : "#{@base}?#{s1}#{ft}#{key}#{ti}#{au}#{tr}#{sj}#{dsc}#{pb}#{edt}#{cntr}#{dt}#{ty}#{id}#{src}#{lang}#{rel}#{cov}#{cr}#{co}#{ab}#{dtc}#{dti}#{dtm}#{dta}#{dtv}#{fns}&db=#{cgi['db']}&view=#{cgi['view']}"
  mod=ft=~/\S+/ ? (ft.gsub(/ft/,'s1')) : s1
  @canned_base_url="#{@base}?#{mod}&db=#{cgi['db']}"
  if checked_case=~/\S/
    @search[:text][1]=%{doc_objects.clean~'#{@search_for.text1}'} #s1
  else
    @search[:text][1]=%{doc_objects.clean~*'#{@search_for.text1}'} #s1
  end
  canned_note='search url:'
else
  @@canned_search_url="#{@base}?db=#{@db}&view=index"
  canned_note='search url example:'
end
if search_field =~/\S+/
  analyze_format=search_field.gsub(/\s*\n/,'; ')
elsif checked_all =~/checked/ or checked_url =~/checked/
  canned_search=@@canned_search_url.scan(/(?:s1|ft|au|ti|fns|tr)=[^&]+/)
  af=canned_search.join('; ')
  af=af.gsub(/s1=/,'text: ').
    gsub(/ft=/,'fulltxt: ').
    gsub(/au=/,'author: ').
    gsub(/ti=/,'title: ').
    gsub(/fns=/,'src_filename_base: ').
    gsub(/tr=/,'topic_register: ').
    gsub(/%2B/,' ')
  analyze_format=af
  st=af.split(/\s*;\s*/)
  search_field=st.join("\n")
end
green=%{<font size="2" color="#004000">}
canned_search_url_txt=CGI.escapeHTML(@@canned_search_url)
the_can=%{<font size="2" color="#666666">#{canned_note} <a href="#{@@canned_search_url}">#{canned_search_url_txt}</a></font><br />}
p_text=p_fulltext=p_keywords=p_title=p_author=p_topic_register=p_subject=p_description=p_publisher=p_editor=p_contributor=p_date=p_type=p_format=p_identifier=p_source=p_language=p_relation=p_coverage=p_rights=p_comment=p_abstract=p_filename=''
p_filename       = %{src_filename_base: #{green}#{@search_for.src_filename_base}</font><br />}             if @search_for.src_filename_base       =~ /\S+/
p_text           = %{text: #{green}#{@search_for.text1}</font><br />}                    if @search_for.text1          =~ /\S+/
p_fulltext       = %{fulltxt: #{green}#{@search_for.fulltext}</font><br />}              if @search_for.fulltext       =~ /\S+/
p_title          = %{title: #{green}#{@search_for.title}</font><br />}                   if @search_for.title          =~ /\S+/
p_author         = %{author: #{green}#{@search_for.author}</font><br />}                 if @search_for.author         =~ /\S+/
p_editor         = %{editor: #{green}#{@search_for.editor}</font><br />}                 if @search_for.editor         =~ /\S+/
p_contributor    = %{contributor: #{green}#{@search_for.contributor}</font><br />}       if @search_for.contributor    =~ /\S+/
p_date           = %{date: #{green}#{@search_for.date}</font><br />}                     if @search_for.date           =~ /\S+/
p_rights         = %{rights: #{green}#{@search_for.rights}</font><br />}                 if @search_for.rights         =~ /\S+/
p_topic_register = %{topic_register: #{green}#{@search_for.topic_register}</font><br />} if @search_for.topic_register =~ /\S+/
p_subject        = %{subject: #{green}#{@search_for.subject}</font><br />}               if @search_for.subject        =~ /\S+/
p_keywords       = %{keywords: #{green}#{@search_for.keywords}</font><br />}             if @search_for.keywords       =~ /\S+/
p_identifier     = %{identifier: #{green}#{@search_for.identifier}</font><br />}         if @search_for.identifier     =~ /\S+/
p_type           = %{type: #{green}#{@search_for.type}</font><br />}                     if @search_for.type           =~ /\S+/
p_format         = %{format: #{green}#{@search_for.format}</font><br />}                 if @search_for.format         =~ /\S+/
p_relation       = %{relation: #{green}#{@search_for.relation}</font><br />}             if @search_for.relation       =~ /\S+/
p_coverage       = %{coverage: #{green}#{@search_for.coverage}</font><br />}             if @search_for.coverage       =~ /\S+/
p_description    = %{description: #{green}#{@search_for.description}</font><br />}       if @search_for.description    =~ /\S+/
p_abstract       = %{abstract: #{green}#{@search_for.abstract}</font><br />}             if @search_for.abstract       =~ /\S+/
p_comment        = %{comment: #{green}#{@search_for.comment}</font><br />}               if @search_for.comment        =~ /\S+/
p_publisher      = %{publisher: #{green}#{@search_for.publisher}</font><br />}           if @search_for.publisher      =~ /\S+/
p_source         = %{source: #{green}#{@search_for.source}</font><br />}                 if @search_for.source         =~ /\S+/
p_language       = %{language: #{green}#{@search_for.language}</font><br />}             if @search_for.language       =~ /\S+/
search_note=<<-WOK
  <font size="2" color="#666666">
  <b>database:</b> #{green}#{@db}</font>; <b>selected view:</b> #{green}#{cgi['view']}</font>
  <b>search string:</b> "#{green}#{analyze_format}</font>"<br />
  #{p_text} #{p_fulltext} #{p_keywords} #{p_title} #{p_author} #{p_topic_register} #{p_subject} #{p_description} #{p_publisher} #{p_editor} #{p_contributor} #{p_date} #{p_type} #{p_format} #{p_identifier} #{p_source} #{p_language} #{p_relation} #{p_coverage} #{p_rights} #{p_comment} #{p_abstract} #{p_filename}
  </font>
WOK
#eg = %{canned search e.g.:<br /> <a href="#{url}">#{url}</a><br />find: #{analyze}<br />database: #{database}}
#% dbi_canning
#+END_SRC

***** submission form

#+NAME: form_submit
#+BEGIN_SRC ruby
@header = Form.new(@base,search_field,selected_db,result_type,checked_sql_limit,checked_tip,checked_stats,checked_searched,checked_url,checked_case,checked_echo,checked_sql,checked_all,checked_none,checked_selected,checked_default,search_note,the_can).submission_form #% form
unless q['s1'] =~/\S/ or q['au'] =~/\S/ or @search[:text][1] =~/\S/
  print "Content-type: text/html\n\n"
  puts (@header+@tail)
else #% searches
  s1=(@search_for.text1 =~/\S/) \
  ? @search_for.text1
  : 'Unavailable'
  if checked_case=~/\S/
    @search[:text]<<%{doc_objects.clean~'#{CGI.unescape(s1)}'}
  else
    @search[:text]<<%{doc_objects.clean~*'#{CGI.unescape(s1)}'}
  end
  #% dbi_request
  dbi_statement=DBI_SearchStatement.new(@conn,@search_for,q,checked_case)
  @text_search_flag=false
  @text_search_flag=dbi_statement.text_search_flag
  s_contents=dbi_statement.contents
  @body_main=''
  @search_regx=nil
  olduid=""
  if @text_search_flag
    if checked_sql =~/\S/
      sql_select_body=dbi_statement.sql_select_body_format
    else sql_select_body=''
    end
    @body_main << sql_select_body
    #@body_main << '<p><hr><br /><b>Main Text:</b><br />' << sql_select_body
  else
  end
  @hostpath = "#{@hosturl_files}"
  #@hostpath="#{@hosturl_files}/#{@stub}"
  def path_manifest(fn,ln=nil)
    case @output_dir_structure_by
    when 'filename'
      @lingual =='mono' \
      ? "#{@hostpath}/#{fn}/sisu_manifest.html"
      : "#{@hostpath}/#{fn}/sisu_manifest.#{ln}.html"
    when 'filetype'
      @lingual =='mono' \
      ? "#{@hostpath}/manifest/#{fn}.html"
      : "#{@hostpath}/manifest/#{fn}.#{ln}.html"
    else
      "#{@hostpath}/#{ln}/manifest/#{fn}.html"
    end
  end
  def path_html_seg(fn,ln=nil)
    case @output_dir_structure_by
    when 'filename'
      "#{@hostpath}/#{fn}"
    when 'filetype'
      "#{@hostpath}/html/#{fn}"
    else
      "#{@hostpath}/#{ln}/html/#{fn}"
    end
  end
  def path_toc(fn,ln=nil)
    if @output_dir_structure_by =='filename' \
    or @output_dir_structure_by =='filetype'
      @lingual =='mono' \
      ? "#{path_html_seg(fn,ln)}/toc.html"
      : "#{path_html_seg(fn,ln)}/toc.#{ln}.html"
    else
      "#{path_html_seg(fn,ln)}/toc.html"
    end
  end
  def path_filename(fn,seg_name,ln=nil)
    if @output_dir_structure_by =='filename' \
    or @output_dir_structure_by =='filetype'
      @lingual =='mono' \
      ? "#{path_html_seg(fn,ln)}/#{seg_name}.html"
      : "#{path_html_seg(fn,ln)}/#{seg_name}.#{ln}.html"
    else
      "#{path_html_seg(fn,ln)}/#{seg_name}.html"
    end
  end
  def path_html_doc(fn,ln=nil)
    case @output_dir_structure_by
    when 'filename'
      @lingual =='mono' \
      ? "#{path_html_seg(fn,ln)}/scroll.html"
      : "#{path_html_seg(fn,ln)}/scroll.#{ln}.html"
    when 'filetype'
      @lingual =='mono' \
      ? "#{@hostpath}/html/#{fn}.html"
      : "#{@hostpath}/html/#{fn}.#{ln}.html"
    else
      "#{@hostpath}/#{ln}/html/#{fn}.html"
    end
  end
#+END_SRC

***** contents each, text body

#+NAME: form_contents_each_text
#+BEGIN_SRC ruby
          #% text_objects_body
s_contents.each do |c|                                               #% text body
  location=c['src_filename_base'][/(.+?)\.(?:ssm\.sst|sst)$/,1]
  file_suffix=c['src_filename_base'][/.+?\.(ssm\.sst|sst)$/,1]
  lang=if location =~ /\S+?~(\S\S\S?)$/
    l=location[/\S+?~(\S\S\S?)$/,1]
    location=location.gsub(/(\S+?)~\S\S\S?/,'\1')
    l=".#{l}"
  else ''
  end
#% metadata_found_body
  if c['uid'] != olduid
    ti=c['title']
    can_txt_srch=(cgi['view']=~/index/) \
    ? %{<a href="#{@canned_base_url}&fns=#{c['src_filename_base']}&lang=#{c['language_document_char']}&view=text"><img border="0" width="24" height="16" src="#{@image_src}/b_search.png" alt="search"></a>&nbsp;}
    : %{<a href="#{@canned_base_url}&fns=#{c['src_filename_base']}&lang=#{c['language_document_char']}&view=index"><img border="0" width="24" height="16" src="#{@image_src}/b_search.png" alt="search"></a>&nbsp;}
    title = %{<span style="background-color: #{@color_heading}"><a href="#{path_toc(location,c['language_document_char'])}"><img border="0" width="15" height="18" src="#{@image_src}/b_toc.png" alt="">&nbsp;#{ti}</a></span> [#{c['language_document_char']}] by #{c['creator_author']} <a href="#{path_manifest(location,c['language_document_char'])}"><img border="0" width="15" height="15" src="#{@image_src}/b_info.png" alt=""></a> #{can_txt_srch}<br />}
    title=@text_search_flag \
    ? '<br /><hr>'+title
    : '<br />'+title
    @counter_txt_doc+=1
    olduid=c['uid']
  else                    title=''
  end
  if @text_search_flag
    if cgi['view']=~/text/ \
    or (cgi['view']!~/index/ and cgi['search'] !~/search db/)      #% txt body
      text=if c['suffix'] !~/1/ #seg
        if @search_for.text1 =~/\S+/ \
        or q['s1'] =~/\S+/                         #% only this branch is working !!
          unescaped_search=if @search_for.text1 =~/\S+/
            CGI.unescape(@search_for.text1)
          elsif q['s1'] =~/\S+/
            CGI.unescape(q['s1'])
          else nil
          end
          @search_regx=if unescaped_search                                     #check
            search_regex=[]
            build=unescaped_search.scan(/\S+/).each do |g|
               (g.to_s =~/(AND|OR)/) \
               ? (search_regex << '|')
               : (search_regex << %{#{g.to_s}})
            end
            search_regex=search_regex.join(' ')
            search_regex=search_regex.gsub(/\s*\|\s*/,'|')
            Regexp.new(search_regex, Regexp::IGNORECASE)
          else nil
          end
        else nil
        end
        matched_para=(@search_regx.to_s.class==String && @search_regx.to_s=~/\S\S+/) \
        ? (c['body'].gsub(/(<a\s+href="https?:\/\/[^><\s]+#{@search_regx}[^>]+?>|#{@search_regx})/mi,%{<span style="background-color: #{@color_match}">\\1</span>}))
        : c['body']
        %{<hr><p><font size="2">ocn <b><a href="#{path_filename(location,c['seg_name'],c['language_document_char'])}##{c['ocn']}">#{c['ocn']}</a></b>:</font></p>#{matched_para}}
      elsif c['suffix'] =~/1/ #doc
        %{#{title}<hr><p><font size="2">ocn #{c['ocn']}:#{c['body']}}
      end
      @counter_txt_ocn+=1
      output=title+text
    else #elsif cgi['view']=~/index/                                #% idx body
      if c['suffix'] !~/1/ #seg
        index=%{<a href="#{path_filename(location,c['seg_name'],c['language_document_char'])}##{c['ocn']}">#{c['ocn']}</a>, } if @text_search_flag
      elsif c['suffix'] =~/1/ #doc #FIX
        index=%{<a href="#{path_html_doc(location,c['language_document_char'])}##{c['ocn']}">#{c['ocn']}</a>, }
      end
      if c['seg_name'] =~/\S+/
        if @text_search_flag
          @counter_txt_ocn+=1
          output=title+index
        end
      else
        @counter_txt_ocn+=1
        output=c['suffix'] !~/1/ \
        ? title+index
        : %{#{title}#{c['ocn'].sort}, }
      end
    end
  else output=title
  end
  @counters_txt=if @counter_txt_doc > 0
    if checked_stats =~/\S/
      @@lt_t=(@counter_txt_ocn==dbi_statement.sql_match_limit.to_i) ? true : false
      start=(@@offset.to_i+1).to_s
      range=(@@offset.to_i+@counter_txt_ocn.to_i).to_s
      %{<hr /><font size="2" color="#666666">Found #{@counter_txt_ocn} times in the main body of #{@counter_txt_doc} documents [ matches #{start} to #{range} ]</font><br />}
    else ''
    end
  else ''
  end
  @body_main << output #+ details
end
#+END_SRC

***** after

#+NAME: form_contents_after
#+BEGIN_SRC ruby
    olduid = ""
    offset=dbi_statement.sql_offset.to_s
    limit=dbi_statement.sql_match_limit.to_s
    @@lt_t ||=false; @@lt_e ||=false
    canned=(@@lt_t or @@lt_e) \
    ? dbi_statement.pre_next(true,@image_src).to_s
    : dbi_statement.pre_next(false,@image_src).to_s
    limit=dbi_statement.sql_match_limit.to_s
    cgi.out{
      @header.force_encoding("UTF-8") \
      + @counters_txt.force_encoding("UTF-8") \
      + @counters_endn.force_encoding("UTF-8") \
      + canned.force_encoding("UTF-8") \
      + @body_main.force_encoding("UTF-8") \
      + canned.force_encoding("UTF-8") \
      + @tail.force_encoding("UTF-8")
    } #% print cgi_output_header+counters+body
  end
  rescue Exception => e
    s='<pre>' + CGI::escapeHTML(e.backtrace.reverse.join("\n"))
    s << CGI::escapeHTML(e.message) + '</pre>'
    cgi.out{s}
    next
  ensure # eg. disconnect from server
    @conn.disconnect if @conn
  end
end
#+END_SRC