C4/Utils.pm

   1 package C4::Utils;
   2
   3 # Copyright 2007 Liblime
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it under the
   8 # terms of the GNU General Public License as published by the Free Software
   9 # Foundation; either version 2 of the License, or (at your option) any later
  10 # version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along
  17 # with Koha; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20
  21 # Useful code I didn't feel like duplicating all over the place.
  22 #
  23
  24 use strict;
  25 use warnings;
  26 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $debug);
  27
  28 BEGIN {
  29         require Exporter;
  30     $VERSION = 3.07.00.049;        # set the version for version checking
  31         $debug = $ENV{DEBUG} || 0;
  32         @ISA    = qw(Exporter);
  33         @EXPORT_OK = qw(&maxwidth &hashdump);
  34         %EXPORT_TAGS = ( all => [qw(&maxwidth &hashdump)], );
  35 }
  36
  37
  38 sub maxwidth {
  39         (@_) or return 0;
  40         return (sort {$a <=> $b} map {length} @_)[-1];
  41 }
  42
  43 sub hashdump {
  44         my $pre = shift;
  45         my $val  = shift;
  46         if (ref($val) =~ /HASH/) {
  47                 print "$pre = HASH w/ " . scalar(keys %$val) . " keys.\n";
  48                 my $w2 = maxwidth(keys %$val);
  49                 foreach (sort keys %$val) {
  50                         &hashdump($pre . '->{' . sprintf('%' . $w2 .'s', $_) . '}', $val->{$_});
  51                 }
  52                 print "\n";
  53         } elsif (ref($val) =~ /ARRAY/) {
  54                 print "$pre = ARRAY w/ " . scalar(@$val) . " members.\n";
  55                 my $w2 = maxwidth(@$val);
  56                 foreach (@$val) {
  57                         &hashdump($pre . '->{' . sprintf('%' . $w2 .'s', $_) . '}', $_);
  58                 }
  59                 print "\n";
  60         } else {
  61                 print "$pre = $val\n";
  62         }
  63 }
  64
  65 1;
  66 __END__