+package DBIx::DataSource::Driver;
+
+use strict;
+use vars qw($VERSION);
+use DBI;
+
+$VERSION = '0.01';
+
+=head1 NAME
+
+DBIx::DataSource::Driver - Driver Writer's Guide and base class
+
+=head1 SYNOPSIS
+
+ perldoc DBIx::DataSource::Driver;
+
+ or
+
+ package DBIx::DataSource::FooBase;
+ use DBIx::DataSource::Driver;
+ @ISA = qw( DBIx::DataSource::Driver );
+
+=head1 DESCRIPTION
+
+To implement a driver for your database:
+
+1) If you can create a database with an SQL command through DBI/DBD, simply
+ provide a parse_dsn class method which returns a list consisting of the
+ *actual* data source to use in DBI->connect and the SQL.
+
+ package DBIx::DataSource::NewDatabase;
+ use DBIx::DataSource::Driver;
+ @ISA = qw( DBIx::DataSource::Driver );
+
+ sub parse_dsn {
+ my( $class, $action, $dsn ) = @_;
+
+ # $action is `create' or `drop'
+ # for example, if you parse parse $dsn for $database,
+ # $sql = "$action $database";
+
+ # you can die on errors - it'll be caught
+
+ ( $new_dsn, $sql );
+ }
+
+2) Otherwise, you'll need to write B<create_database> and B<drop_database>
+ class methods.
+
+ package DBIx::DataSource::NewDatabase;
+
+ sub create_database {
+ my( $class, $dsn, $user, $pass ) = @_;
+
+ # for success, return true
+ # for failure, die (it'll be caught)
+ }
+
+ sub drop_database {
+ my( $class, $dsn, $user, $pass ) = @_;
+
+ # for success, return true
+ # for failure, die (it'll be caught)
+ }
+
+=cut
+
+sub create_database { shift->_sql('create', @_) };
+sub drop_database { shift->_sql('drop', @_) };
+
+sub _sql {
+ my( $class, $action, $dsn, $user, $pass ) = @_;
+ my( $new_dsn, $sql ) = $class->parse_dsn($action, $dsn);
+ my $dbh = DBI->connect( $new_dsn, $user, $pass ) or die $DBI::errstr;
+# $dbh->do($sql) or die $dbh->errstr;
+# silly DBI. implicit DESTROY yummy.
+ $dbh->do($sql) or do { my $err = $dbh->errstr; $dbh->disconnect; die $err; };
+ $dbh->disconnect or die $dbh->errstr;
+}
+
+=head1 AUTHOR
+
+Ivan Kohler <ivan-dbix-datasource@420.am>
+
+=head1 COPYRIGHT
+
+Copyright (c) 2000 Ivan Kohler
+Copyright (c) 2000 Mail Abuse Prevention System LLC
+All rights reserved.
+This program is free software; you can redistribute it and/or modify it under
+the same terms as Perl itself.
+
+=head1 BUGS
+
+=head1 SEE ALSO
+
+L<DBIx::DataSource>, L<DBIx::DataSource::mysql>, L<DBIx::DataSource::Pg>, L<DBI>
+
+=cut
+
+1;