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|
=begin
* Name: SiSU information Structuring Universe - Structured information, Serialized Units
* Author: Ralph Amissah
* http://www.jus.uio.no/sisu
* http://www.jus.uio.no/sisu/SiSU/download.html
* Description: generates naive cgi search form for search of sisu database (pgsql sqlite)
* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Ralph Amissah
* License: GPL 2 or later
Summary of GPL 2
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 2 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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
If you have Internet connection, the latest version of the GPL should be
available at these locations:
http://www.fsf.org/licenses/gpl.html
http://www.gnu.org/copyleft/gpl.html
http://www.jus.uio.no/sisu/gpl2.fsf
SiSU was first released to the public on January 4th 2005
SiSU uses:
* Standard SiSU markup syntax,
* Standard SiSU meta-markup syntax, and the
* Standard SiSU object citation numbering and system
© Ralph Amissah 1997, current 2007.
All Rights Reserved.
* Ralph Amissah mailto:ralph@amissah.com
Ralph Amissah mailto:amissah@gmail.com
=end
module SiSU_CGI_sqlite #% database building documents
require "#{SiSU_lib}/sysenv"
require "#{SiSU_lib}/cgi_sql_common"
include SiSU_CGI_sql
class SiSU_search_sqlite < SiSU_CGI_common
def initialize(opt,webserv)
@opt,@webserv=opt,webserv
@env=SiSU_Env::Info_env.new('',opt)
@image_src="#{@env.url.webserv_cgi}/_sisu/image"
@common=SiSU_CGI_sql::SiSU_CGI_common.new(@webserv,@opt.cmd,@image_src,@env)
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}/sisu_sqlite.db"); serve << x unless x =~/^_\S+/
end
end
end
serve.sort!
f1,f2,f3=[],[],[]
serve.each do |x|
f1 << %{ <option value="SiSU_#{x}">#{x}</option>\n}
end
f2 << %{ selected_db=case cgi['db']\n}
serve.each do |x|
f2 << %{ when /SiSU_#{x}/; '<option value="SiSU_#{x}">#{x}</option>'\n}
end
f2 << " end\n"
#f3
f3 << %{ db_name='sisu_sqlite.db'\n}
f3 << %{ db_sqlite=case cgi['db']\n}
serve.each do |x|
f3 << %{ when /SiSU_#{x}/; "#{@env.path.webserv}/#{x}/sisu_sqlite.db"\n}
end
f3 << " end\n"
if FileTest.writable?('.')
output=File.open('sisu_sqlite.cgi','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
a=%{ generated sisu_sqlite.cgi,
BASED ON ALREADY CREATED sisu_sqlite.db OUTPUT, (-d)
}
tell=SiSU_Screen::Ansi.new(@opt.cmd,a)
tell.print_grey
c=case @webserv
when /pwd/; ''
else "if necessary make the directory /usr/lib/cgi-bin :
sudo cp -vi #{Dir.pwd}/sisu_sqlite.cgi /usr/lib/cgi-bin/.
sudo chmod -v 755 /usr/lib/cgi-bin/sisu_sqlite.cgi
(copy sisu_sqlite.cgi to your cgi directory) and set file permissions to 755"
end
a=%{#{c}
#{@env.webserv_base_cgi}/cgi-bin/sisu_sqlite.cgi
}
b='(to create and populate sisu sqlite database see "man sisu" and in particular the -d flag)'
tell=SiSU_Screen::Ansi.new(@opt.cmd,a,b)
tell.warn
else puts 'failed in attempt to write sisu_sqlite.cgi 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
require 'cgi'
require 'fcgi'
require 'dbi'
@version='sisu_sqlite'
@image_src="#{@env.url.webserv_cgi}/_sisu/image"
@hosturl_db="#{@env.url.webserv_base_cgi}"
@hosturl_files="#{@env.url.webserv_files_from_db}"
WOK_SQL
end
def search_statement
<<-'WOK_SQL'
class Dbi_search_string
def initialize(l,t,q)
@l,@t,@q=l,t,q
end
def string
search={ :search => [] }
search[:flag]=false
if @t =~/\S+/ or @q =~/\S+/
if @t =~/\S+/; unescaped_search=CGI.unescape(@t)
elsif @q =~/\S+/; unescaped_search=CGI.unescape(@q)
end
search_construct=[]
unescaped_search.gsub!(/\s*(AND|OR)\s*/,"%' \) \\1 #@l LIKE \( '%")
unescaped_search.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_endnotes=[],[]
#%
search[:text].each{|x| @search_text << "#{x} AND " }
@search_text=@search_text.to_s.gsub!(/AND\s+$/,'')
@search_text.gsub!(/(documents\.clean\s+LIKE\s+\(\s*'%[^']+%'\s*\)\s+(?:(?:AND|OR)\s+documents\.clean\s+LIKE\s+\(\s*'%[^']+%'\s*\))+)/,'(\1)')
search[:endnotes].each{|x| @search_endnotes << "#{x} AND " }
@search_endnotes=@search_endnotes.to_s.gsub!(/AND\s+$/,'')
@search_text.gsub!(/(endnotes\.clean\s+LIKE\s+\(\s*'%[^']+%'\s*\)\s+(?:(?:AND|OR)\s+endnotes\.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.title, metadata.creator, metadata.filename, metadata.suffix, documents.body, documents.seg, documents.ocn, metadata.tid FROM documents, metadata WHERE #{@search_text} AND documents.metadata_tid = metadata.tid ORDER BY metadata.title, documents.ocn}
@sql_statement[:range]=%{LIMIT #{limit} OFFSET #{offset} ;}
select=@sql_statement[:body] + ' ' + @sql_statement[:range]
select
end
def sql_select_endnotes
limit ||=@@limit
offset ||=@@offset
@sql_statement[:endnotes]= %{SELECT metadata.title, metadata.creator, metadata.filename, endnotes.body, endnotes.nr, endnotes.ocn, endnotes.metadata_tid FROM metadata, endnotes WHERE #{@search_endnotes} AND metadata.tid = endnotes.metadata_tid ORDER BY metadata.title, endnotes.nr}
@sql_statement[:range]=%{LIMIT #{limit} OFFSET #{offset} ;}
select=@sql_statement[:endnotes] + ' ' + @sql_statement[:range]
select
end
def sql_select_body_format
%{<font color="#666666" size="2">#{sql_select_body}</font>}
end
def sql_select_endnotes_format
%{<font color="#666666" size="2">#{sql_select_endnotes}</font>}
end
def contents
@conn.select_all(sql_select_body)
end
def endnotes
@conn.select_all(sql_select_endnotes)
end
end
WOK_SQL
end
def dbi_connect
<<-'WOK_SQL'
@dbi="DBI:SQLite:#{db_sqlite}" #sqlite3 ?
@conn=DBI.connect(@dbi)
WOK_SQL
end
end
end
__END__
|
