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# $Id: GetInfoReturn.pm 8696 2007-01-24 23:12:38Z Tim $
#
# Copyright (c) 2002 Tim Bunce Ireland
#
# Constant data describing return values from the DBI getinfo function.
#
# You may distribute under the terms of either the GNU General Public
# License or the Artistic License, as specified in the Perl README file.
package DBI::Const::GetInfoReturn;
use strict;
use Exporter ();
use vars qw(@ISA @EXPORT @EXPORT_OK %GetInfoReturnTypes %GetInfoReturnValues);
@ISA = qw(Exporter);
@EXPORT = qw(%GetInfoReturnTypes %GetInfoReturnValues);
my
$VERSION = "2.008697";
=head1 NAME
DBI::Const::GetInfoReturn - Data and functions for describing GetInfo results
=head1 SYNOPSIS
The interface to this module is undocumented and liable to change.
=head1 DESCRIPTION
Data and functions for describing GetInfo results
=cut
use DBI::Const::GetInfoType;
use DBI::Const::GetInfo::ANSI ();
use DBI::Const::GetInfo::ODBC ();
%GetInfoReturnTypes =
(
%DBI::Const::GetInfo::ANSI::ReturnTypes
, %DBI::Const::GetInfo::ODBC::ReturnTypes
);
%GetInfoReturnValues = ();
{
my $A = \%DBI::Const::GetInfo::ANSI::ReturnValues;
my $O = \%DBI::Const::GetInfo::ODBC::ReturnValues;
while ( my ($k, $v) = each %$A ) {
my %h = ( exists $O->{$k} ) ? ( %$v, %{$O->{$k}} ) : %$v;
$GetInfoReturnValues{$k} = \%h;
}
while ( my ($k, $v) = each %$O ) {
next if exists $A->{$k};
my %h = %$v;
$GetInfoReturnValues{$k} = \%h;
}
}
# -----------------------------------------------------------------------------
sub Format {
my $InfoType = shift;
my $Value = shift;
return '' unless defined $Value;
my $ReturnType = $GetInfoReturnTypes{$InfoType};
return sprintf '0x%08X', $Value if $ReturnType eq 'SQLUINTEGER bitmask';
return sprintf '0x%08X', $Value if $ReturnType eq 'SQLINTEGER bitmask';
# return '"' . $Value . '"' if $ReturnType eq 'SQLCHAR';
return $Value;
}
sub Explain {
my $InfoType = shift;
my $Value = shift;
return '' unless defined $Value;
return '' unless exists $GetInfoReturnValues{$InfoType};
$Value = int $Value;
my $ReturnType = $GetInfoReturnTypes{$InfoType};
my %h = reverse %{$GetInfoReturnValues{$InfoType}};
if ( $ReturnType eq 'SQLUINTEGER bitmask'|| $ReturnType eq 'SQLINTEGER bitmask') {
my @a = ();
for my $k ( sort { $a <=> $b } keys %h ) {
push @a, $h{$k} if $Value & $k;
}
return wantarray ? @a : join(' ', @a );
}
else {
return $h{$Value} ||'?';
}
}
1;