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-# encoding: utf-8
-=begin
-
-* Name: SiSU
-
-** Description: documents, structuring, processing, publishing, search
-*** generates naive cgi search form for search of sisu database (sqlite)
-
-** Author: Ralph Amissah
- <ralph@amissah.com>
- <ralph.amissah@gmail.com>
-
-** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
- 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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>
-
-** Git
- <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
- <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/current/cgi_sql_sqlite.rb;hb=HEAD>
-
-=end
-module SiSU_CGI_SQLite #% database building documents
- require_relative 'se' # se.rb
- require_relative 'cgi_sql_common' # cgi_sql_common.rb
- include SiSU_CGI_SQL
- class SearchSQLite < CGI_Common
- def initialize(opt,webserv)
- @opt,@webserv=opt,webserv
- @cX=SiSU_Screen::Ansi.new(opt.act[:color_state][:set]).cX
- @env=SiSU_Env::InfoEnv.new('',opt)
- @image_src="#{@env.url.webserv_cgi(opt)}/_sisu/image_sys"
- @name_of={}
- @name_of[:output_dir_structure]=if opt.dir_structure_by.to_s =~/(?:language|filetype|filename)/
- opt.dir_structure_by.to_s
- else 'language'
- end
- @name_of[:lingual]=if opt.lingual.to_s =~/(?:mono|multi)/
- opt.lingual.to_s
- else 'multi'
- end
- @name_of[:host_url_cgi]=%q{http://#{ENV['HTTP_HOST']}#{ENV['PATH_INFO']}}
- @name_of[:host_url_docs]=%q{http://#{ENV['HTTP_HOST']}}
- @name_of[:cgi_script]=%q{#{ENV['SCRIPT_NAME']}}
- @image_src=%q{http://#{ENV['HTTP_HOST']}/_sisu/image_sys}
- @common=SiSU_CGI_SQL::CGI_Common.new(@webserv,opt,@image_src,@env)
- @cgi_file_name=@env.url.cgi_sample_search_form_name(opt)
- @name_of_sqlite_db_file='sisu_sqlite.db'
- end
- def sqlite
- serve=[]
- Dir.foreach(@env.path.webserv) do |x|
- if x !~/^\./ \
- and FileTest.directory?("#{@env.path.webserv}/#{x}")
- if FileTest.file?("#{@env.path.webserv}/#{x}/#{@name_of_sqlite_db_file}")
- serve << x unless x =~/^_\S+/
- end
- end
- end
- serve=serve.sort
- f1,f2,f3='','',''
- serve.each do |x|
- f1 << %{ <option value="#{Db[:name_prefix]}#{x}">#{x}</option>\n}
- end
- f2 << %{ selected_db=case cgi['db']\n}
- serve.each do |x|
- f2 << %{ when /#{Db[:name_prefix]}#{x}/ then '<option value="#{Db[:name_prefix]}#{x}">#{x}</option>'\n}
- end
- f2 << " end\n"
- f3 << %{ db_name='#{@name_of_sqlite_db_file}'\n}
- f3 << %{ db_sqlite=case cgi['db']\n}
- serve.each do |x|
- f3 << %{ when /#{Db[:name_prefix]}#{x}/ then "#{@env.path.webserv}/#{x}/\#{db_name}"\n}
- end
- f3 << %{ else "#{@env.path.webserv}/#{serve[0]}/\#{db_name}"\n end\n}
- if FileTest.writable?('.')
- output=File.open(@cgi_file_name,'w')
- output << header0 << header1 << header_desc << header2 << f1 << buttons1 << buttons2 << search_request << search_statement << search_statement_common << search_query1 << @common.pages << search_query2 << @common.tail << @common.main1 << f2 << f3 << dbi_connect << @common.main2 << @common.dir_structure << @common.main3
- puts <<-WOK
- generated sample search form: #{@cX.green}#{@cgi_file_name}#{@cX.off}
- default database name: #{@cX.green}#{Db[:name_prefix]}#{@env.path.base_markup_dir_stub}#{@cX.off} (#{@env.path.base_markup_dir_stub})
- cgi & db host on: #{@cX.blue}#{@env.url.webserv_base_cgi(@opt)}#{@cX.off}
- to modify use: #{@cX.brown}sisu --db-sqlite --webserv-search='#{@env.url.webserv_base_cgi(@opt)}'#{@cX.off}
- sisu output on: #{@cX.blue}#{@env.url.webserv_files_from_db(@opt)}#{@cX.off}
- to modify use: #{@cX.brown}sisu --db-sqlite --webserv-output='#{@env.url.webserv_files_from_db(@opt)}'#{@cX.off}
- cgi search form link name: #{@cX.green}#{@env.url.cgi_sample_search_form_name(@opt)}#{@cX.off}
- to modify use: #{@cX.brown}sisu --db-sqlite --cgi-search-form-name='#{@env.url.cgi_sample_search_form_name(@opt)}'#{@cX.off}
- #{@cX.fuchsia}(settings priority: command line; sisurc.yml; else defaults)#{@cX.off}
-
- #{@cX.fuchsia}NOTE it is first necessary to create the database and tables and populate it#{@cX.off}
-
- sisu --sqlite --dropall # removes existing postgresql db & tables
- sisu --sqlite --createall -v # creates postgresql db & tables
- sisu --sqlite --update -v *.sst *.ssm # populate the db
- sisu --sample-search-form --sqlite # creates the postgresql search form
- # this should be done after creating the db
- # to be searched
- sisu --webrick & # starts ruby webrick web server
-
- # if necessary make the directory '/usr/lib/cgi-bin'
- # here we copy the postgresql search form to cgi-bin
- # (copy #{@cgi_file_name} to your cgi directory)
- # set file permissions to 755
- WOK
- a=case @webserv
- when /pwd/ then ''
- else <<-WOK
-
- sudo cp -vi #{Dir.pwd}/#{@cgi_file_name} /usr/lib/cgi-bin/.; \\
- sudo chmod -v 755 /usr/lib/cgi-bin/#{@cgi_file_name}
- WOK
- end
- b='(to create and populate sisu sqlite database see "man sisu" and in particular the -d flag)'
- SiSU_Screen::Ansi.new(@opt.act[:color_state][:set],a,b).warn
- a=<<-WOK
-
- #{@env.webserv_base_cgi(@opt)}/cgi-bin/#{@cgi_file_name}
-
- WOK
- SiSU_Screen::Ansi.new(@opt.act[:color_state][:set],a).print_blue
- else puts "failed in attempt to write #{@cgi_file_name} to present directory, is directory writable?"
- end
- end
- def header0
- <<-WOK_SQL
-#!/usr/bin/env ruby
-=begin
-#{about}
- * Description: generates naive cgi search form for search of sisu database (sqlite)
-#{gpl}
-=end
- begin
- require 'cgi'
- require 'fcgi'
- require 'sqlite3'
- rescue LoadError
- puts 'cgi, fcgi or sqlite3 NOT FOUND (LoadError)'
- end
- @stub_default='sisu_sqlite'
- @image_src="#{@image_src}"
- @hosturl_cgi="#{@name_of[:host_url_cgi]}"
- @hosturl_files="#{@name_of[:host_url_docs]}"
- @output_dir_structure_by='#{@name_of[:output_dir_structure]}'
- @lingual='#{@name_of[:lingual]}'
- @db_name_prefix='#{Db[:name_prefix]}'
- @base="#{@name_of[:host_url_cgi]}#{@name_of[:cgi_script]}"
- WOK_SQL
- end
- def search_statement
- <<-'WOK_SQL'
- 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
- WOK_SQL
- end
- def search_query1
- <<-'WOK_SQL'
- @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
- WOK_SQL
- end
- def search_query2
- <<-'WOK_SQL'
- 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, metadata_and_text.language_document_char, metadata_and_text.notes_suffix, doc_objects.body, doc_objects.seg, doc_objects.ocn, metadata_and_text.tid FROM doc_objects, metadata_and_text WHERE #{@search_text} AND doc_objects.metadata_tid = metadata_and_text.tid ORDER BY metadata_and_text.language_document_char, metadata_and_text.title, metadata_and_text.src_filename, 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
- WOK_SQL
- end
- def dbi_connect
- <<-'WOK_SQL'
- @conn=SQLite3::Database.new(db_sqlite)
- @conn.results_as_hash=true
- WOK_SQL
- end
- end
-end
-__END__