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|
#!/usr/bin/perl -w
#
# This file is part of the exilog suite.
#
# http://duncanthrax.net/exilog/
#
# (c) Tom Kistner 2004
#
# See LICENSE for licensing information.
#
package exilog_util;
use Time::Local;
use POSIX qw( strftime );
use strict;
use exilog_config;
BEGIN {
use Exporter;
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
# set the version for version checking
$VERSION = 0.1;
@ISA = qw(Exporter);
@EXPORT = qw(
&edt
&edv
&ina
&date_to_stamp
&stamp_to_date
&human_size
&dos2rx
&dos2sql
&png
);
%EXPORT_TAGS = ();
# your exported package globals go here,
# as well as any optionally exported functions
@EXPORT_OK = qw();
}
sub png {
my $image = shift;
my $width = shift;
my $height = shift;
my $title = shift || "";
return '<img src="'.$image.'" width="'.$width.'" height="'.$height.'" title="'.$title.'" border="0">';
}
# turns DOS wildcards (* and ?) into regular expressions
sub dos2rx {
my $cand = shift;
# quote every funky character
$cand =~ s/([^A-Za-z0-9 _?*])/\\$1/g;
$cand =~ s/\?/./g;
$cand =~ s/\*/.*?/g;
return '^'.$cand.'$';
};
# turns DOS wildcards (* and ?) into SQL wildcards (% and .)
sub dos2sql {
my $cand = shift;
$cand =~ s/\*/%/g;
$cand =~ s/\?/./g;
return $cand;
};
# checks if scalar is in array
sub ina {
my $aref = shift || [];
my $str = shift || "";
unless (ref($aref) eq 'ARRAY') {
$aref = [ $aref ];
};
foreach (@{ $aref }) {
return 1 if ($_ eq $str);
};
return 0;
};
# exists, defined and true (in perl sense)
sub edt {
my $h = shift;
my $hkey = shift;
return 0 unless (ref($h) eq 'HASH');
return 1 if ( exists($h->{$hkey}) &&
defined($h->{$hkey}) &&
$h->{$hkey} );
return 0;
};
# exists, defined and valid (that is, not empty)
sub edv {
my $h = shift;
my $hkey = shift;
return 0 unless (ref($h) eq 'HASH');
return 1 if ( exists($h->{$hkey}) &&
defined($h->{$hkey}) &&
$h->{$hkey} ne '' );
return 0;
};
sub date_to_stamp {
my $date = shift || "";
my $tod = shift || "00:00:00";
my ($year,$month,$mday) = split /\-/, $date;
my ($hour,$minute,$second,$junk) = split /[: ]/, $tod;
$year-=1900;
$month--;
# This is for parsing timestamps that include GMT offsets
if (edv($junk)) {
my $hoff = ($junk =~ /[-+](\d\d)\d\d/);
my $moff = ($junk =~ /[-+]\d\d(\d\d)/);
if ($junk =~ /\+/) {
$hour = $hour - $hoff;
$minute = $minute - $moff;
}
else {
$hour = $hour + $hoff;
$minute = $minute + $moff;
}
};
if ($config->{web}->{timestamps} eq 'local') {
return timelocal($second,$minute,$hour,$mday,$month,$year);
}
else {
return timegm($second,$minute,$hour,$mday,$month,$year);
};
};
sub stamp_to_date {
my $stamp = shift;
my $no_seconds = shift || 0;
# convert to date/time string
if ($config->{web}->{timestamps} eq 'local') {
return ($no_seconds ? strftime("%Y-%m-%d %H:%M",localtime($stamp)) : strftime("%Y-%m-%d %H:%M:%S",localtime($stamp)));
}
else {
return ($no_seconds ? strftime("%Y-%m-%d %H:%M",gmtime($stamp)) : strftime("%Y-%m-%d %H:%M:%S",gmtime($stamp)));
};
};
sub human_size {
my $size = shift;
my @units = ( '', 'k', 'M', 'G' );
while ( ($size > 9999) && ((scalar @units) > 1) ) {
shift @units;
$size = int($size/1024);
};
return $size.$units[0];
};
1;
|
