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# Copyright 2002-2007 Interchange Development Group and others
# Copyright 1996-2002 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version. See the LICENSE file for details.
CodeDef duration Filter
CodeDef duration Description Duration
CodeDef duration Routine <<EOR
sub {
my ($val, undef, $startvar, $durvar, @extra) = @_;
## Accepts two parameters, the name of the CGI variables which
## hold the start date/time and the duration value. With this:
#
# [cgi name=start_date set=200502120800]
# [cgi name=length set="12 hours"]
# [filter op=duration.start_date.length /]
#
# The filter call will return 20050212200000
#
## Can also be used like this, with the same output:
#
# [filter duration.-dummy.12.hours]200502120800[/filter]
#
use vars qw/$CGI/;
my $start = $CGI->{$startvar} || $val;
my $durstring = $CGI->{$durvar};
use Time::Local;
if (!length($durstring) && $durvar =~ /^\d+$/) {
$durstring = join(' ', $durvar, @extra);
}
## Want to allow setting the value directly
return $val unless $durstring;
$start =~ s/\0+//g;
if($start =~ m:(\d+)[-/]+(\d+)[-/]+(\d+):) {
my ($yr, $mon, $day) = ($3, $1, $2);
my $time;
$start =~ /:(\d+)$/
and $time = $1;
if(length($yr) < 4) {
$yr =~ s/^0//;
$yr = $yr < 50 ? $yr + 2000 : $yr + 1900;
}
$mon =~ s/^0//;
$day =~ s/^0//;
$start = sprintf("%d%02d%02d", $yr, $mon, $day);
return $val unless $time;
$start .= sprintf('%04d', $time);
}
my $time;
$start =~ /^(\d\d\d\d)(\d\d)(\d\d)(\d\d)?(\d\d)?/;
my ($yr, $mon, $day, $hr, $min) = ($1 || 0, $2 || 1, $3 || 1, $4 || 0, $5 || 0);
$mon--;
eval {
$time = timelocal(0, $min, $hr, $day, $mon, $yr);
};
if($@) {
logError("bad time value passed to duration filter: %s", $@);
return 0;
}
$time = adjust_time($durstring, $time);
return POSIX::strftime("%Y%m%d%H%M%S", localtime($time));
}
EOR
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