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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: postgresql module, dbi import frame
+
+ * 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: ralph@amissah.com
+ ralph.amissah@gmail.com
+=end
+module SiSU_DBI #% database building
+ require "#{SiSU_lib}/help"
+ require "#{SiSU_lib}/sysenv"
+ include SiSU_Env
+ include SiSU_Screen
+ require "#{SiSU_lib}/param"
+ include SiSU_Param
+ require "#{SiSU_lib}/shared_db"
+ include SiSU_DB
+ require "#{SiSU_lib}/shared_html_lite"
+ include SiSU_Format_Shared
+ class SiSU_SQL
+ def initialize(opt)
+ SiSU_Env::Load.new('dbi',true).prog
+ @opt=opt
+ @db=SiSU_Env::Info_db.new
+ if @opt.cmd =~/d/i or @opt.mod.inspect =~/--pg(?:sql)?|(?:sq)?lite/
+ @sql_type=if @opt.cmd=~/D/ or @opt.mod.inspect =~/--pg(?:sql)?/; 'pg'
+ elsif @opt.cmd =~/d/ and @opt.mod.inspect =~/--(?:db[=-])?pg(?:sql)?/; 'pg'
+ elsif @opt.mod.inspect =~/--(?:sq)?lite/; 'sqlite'
+ elsif @opt.cmd =~/d/ and @opt.mod.inspect =~/--(?:db[=-])?(?:sq)?lite/; 'sqlite'
+ #elsif @opt.cmd =~/d/ and @opt.mod.select =~/--my(?:sql)?/; 'mysql'
+ else 'sqlite'
+ end
+ end
+ end
+ def read_psql
+ begin
+ db,user,dbi=@db.db_psql,@db.user,@db.dbi_psql
+ @conn=DBI.connect(dbi,user,db)
+ rescue
+ if @opt.mod.inspect=~/--(createall|create)/
+ puts %{manually create the database: "#{db}" if it does not yet exist}
+ #sudo su -p postgres; createdb #{db}; #[createuser?]
+ end
+ SiSU_DB::Case.new(@opt,@conn,@sql_type).cases
+ @conn=DBI.connect(dbi,user,db)
+ ensure
+ end
+ end
+ def read_sqlite
+ begin
+ sql_type='sqlite'
+ dbi=@db.dbi_sqlite
+ @conn=DBI.connect(dbi)
+ rescue
+ ensure
+ end
+ end
+ def connect
+ case @sql_type
+ when /pg/; read_psql
+ when /sqlite/; read_sqlite
+ end
+ tell=SiSU_Screen::Ansi.new(@opt.cmd,"DBI (#@sql_type) #{@opt.mod}")
+ tell.dbi_title unless @opt.cmd =~/q/
+ begin
+ SiSU_DB::Case.new(@opt,@conn,@sql_type).cases
+ rescue; SiSU_Errors::Info_error.new($!,$@,@cf,@opt.fns).error
+ ensure
+ end
+ begin
+ @conn.disconnect if @sql_type =~/sqlite/
+ rescue
+ connect
+ end
+ end
+ end
+end
+__END__
+