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package C4::Utils;
# Useful code I didn't feel like duplicating all over the place.
#
use strict;
use warnings;
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $debug);
BEGIN {
require Exporter;
$VERSION = 1.00; # set the version for version checking
$debug = $ENV{DEBUG} || 0;
@ISA = qw(Exporter);
@EXPORT_OK = qw(&maxwidth &hashdump);
%EXPORT_TAGS = ( all => [qw(&maxwidth &hashdump)], );
}
sub maxwidth (@) {
(@_) or return 0;
return (sort {$a <=> $b} map {length} @_)[-1];
}
sub hashdump ($$) {
my $pre = shift;
my $val = shift;
if (ref($val) =~ /HASH/) {
print "$pre = HASH w/ " . scalar(keys %$val) . " keys.\n";
my $w2 = maxwidth(keys %$val);
foreach (sort keys %$val) {
&hashdump($pre . '->{' . sprintf('%' . $w2 .'s', $_) . '}', $val->{$_});
}
print "\n";
} elsif (ref($val) =~ /ARRAY/) {
print "$pre = ARRAY w/ " . scalar(@$val) . " members.\n";
my $w2 = maxwidth(@$val);
foreach (@$val) {
&hashdump($pre . '->{' . sprintf('%' . $w2 .'s', $_) . '}', $_);
}
print "\n";
} else {
print "$pre = $val\n";
}
}
1;
__END__
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