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# internal utility subroutines used by multiple classes
package DBIx::DBSchema::_util;
use strict;
use vars qw(@ISA @EXPORT_OK);
use Exporter;
use Carp qw(confess);
use DBI;
@ISA = qw(Exporter);
@EXPORT_OK = qw( _load_driver _dbh _parse_opt );
sub _load_driver {
my($dbh) = @_;
my $driver;
if ( ref($dbh) ) {
$driver = $dbh->{Driver}->{Name};
} else {
$dbh =~ s/^dbi:(\w*?)(?:\((.*?)\))?://i #nicked from DBI->connect
or '' =~ /()/; # ensure $1 etc are empty if match fails
$driver = $1 or confess "can't parse data source: $dbh";
}
#require "DBIx/DBSchema/DBD/$driver.pm";
#$driver;
eval 'require "DBIx/DBSchema/DBD/$driver.pm"' and $driver or die $@;
}
#sub _dbh_or_dbi_connect_args {
sub _dbh {
my($dbh) = shift;
my $created_dbh = 0;
unless ( ref($dbh) || ! @_ ) {
$dbh = DBI->connect( $dbh, @_ ) or die $DBI::errstr;
$created_dbh = 1;
}
( $dbh, $created_dbh );
}
sub _parse_opt {
my $optref = shift;
if ( ref( $optref->[0] ) eq 'HASH' ) {
shift @$optref;
} else {
{};
}
}
1;
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