require 5.000;
use vars qw($VERSION @ISA @EXPORT);@ISA = qw(Exporter);
@EXPORT = qw(&strtotime &str2time &strptime);
$VERSION = "2.33";
my %month = (
january => 0,
february => 1,
march => 2,
april => 3,
may => 4,
june => 5,
july => 6,
august => 7,
september => 8,
sept => 8,
october => 9,
november => 10,
december => 11,
);
my %day = (
sunday => 0,
monday => 1,
tuesday => 2,
tues => 2,
wednesday => 3,
wednes => 3,
thursday => 4,
thur => 4,
thurs => 4,
friday => 5,
saturday => 6,
);
my @suf = (qw(th st nd rd th th th th th th)) x 3;
@suf[11,12,13] = qw(th th th);
map { $month{substr($_,0,3)} = $month{$_} } keys %month;
map { $day{substr($_,0,3)} = $day{$_} } keys %day;
my $strptime = <<'ESQ';
my %month = map { lc $_ } %$mon_ref;
my $daypat = join("|", map { lc $_ } reverse sort keys %$day_ref);
my $monpat = join("|", reverse sort keys %month);
my $sufpat = join("|", reverse sort map { lc $_ } @$suf_ref);
my %ampm = (
'a' => 0, # AM
'p' => 12, # PM
);
my($AM, $PM) = (0,12);
sub {
my $dtstr = lc shift;
my $merid = 24;
my($century,$year,$month,$day,$hh,$mm,$ss,$zone,$dst,$frac);
$zone = tz_offset(shift) if @_;
1 while $dtstr =~ s#\([^\(\)]*\)# #o;
$dtstr =~ s#(\A|\n|\Z)# #sog;
# ignore day names
$dtstr =~ s#([\d\w\s])[\.\,]\s#$1 #sog;
$dtstr =~ s/,/ /g;
$dtstr =~ s#($daypat)\s*(den\s)?\b# #o;
# Time: 12:00 or 12:00:00 with optional am/pm
return unless $dtstr =~ /\S/;
if ($dtstr =~ s/\s(\d{4})([-:]?)(\d\d?)\2(\d\d?)(?:[-Tt ](\d\d?)(?:([-:]?)(\d\d?)(?:\6(\d\d?)(?:[.,](\d+))?)?)?)?(?=\D)/ /) {
($year,$month,$day,$hh,$mm,$ss,$frac) = ($1,$3-1,$4,$5,$7,$8,$9);
}
unless (defined $hh) {
if ($dtstr =~ s#[:\s](\d\d?):(\d\d?)(:(\d\d?)(?:\.\d+)?)?(z)?\s*(?:([ap])\.?m?\.?)?\s# #o) {
($hh,$mm,$ss) = ($1,$2,$4);
$zone = 0 if $5;
$merid = $ampm{$6} if $6;
}
# Time: 12 am
elsif ($dtstr =~ s#\s(\d\d?)\s*([ap])\.?m?\.?\s# #o) {
($hh,$mm,$ss) = ($1,0,0);
$merid = $ampm{$2};
}
}
if (defined $hh and $hh <= 12 and $dtstr =~ s# ([ap])\.?m?\.?\s# #o) {
$merid = $ampm{$1};
}
unless (defined $year) {
# Date: 12-June-96 (using - . or /)
if ($dtstr =~ s#\s(\d\d?)([\-\./])($monpat)(\2(\d\d+))?\s# #o) {
($month,$day) = ($month{$3},$1);
$year = $5 if $5;
}
# Date: 12-12-96 (using '-', '.' or '/' )
elsif ($dtstr =~ s#\s(\d+)([\-\./])(\d\d?)(\2(\d+))?\s# #o) {
($month,$day) = ($1 - 1,$3);
if ($5) {
$year = $5;
# Possible match for 1995-01-24 (short mainframe date format);
($year,$month,$day) = ($1, $3 - 1, $5) if $month > 12;
return if length($year) > 2 and $year < 1901;
}
}
elsif ($dtstr =~ s#\s(\d+)\s*($sufpat)?\s*($monpat)# #o) {
($month,$day) = ($month{$3},$1);
}
elsif ($dtstr =~ s#($monpat)\s*(\d+)\s*($sufpat)?\s# #o) {
($month,$day) = ($month{$1},$2);
}
elsif ($dtstr =~ s#($monpat)([\/-])(\d+)[\/-]# #o) {
($month,$day) = ($month{$1},$3);
}
# Date: 961212
elsif ($dtstr =~ s#\s(\d\d)(\d\d)(\d\d)\s# #o) {
($year,$month,$day) = ($1,$2-1,$3);
}
$year = $1 if !defined($year) and $dtstr =~ s#\s(\d{2}(\d{2})?)[\s\.,]# #o;
}
# Zone
$dst = 1 if $dtstr =~ s#\bdst\b##o;
if ($dtstr =~ s#\s"?([a-z]{3,4})(dst|\d+[a-z]*|_[a-z]+)?"?\s# #o) {
$dst = 1 if $2 and $2 eq 'dst';
$zone = tz_offset($1);
return unless defined $zone;
}
elsif ($dtstr =~ s#\s([a-z]{3,4})?([\-\+]?)-?(\d\d?):?(\d\d)?(00)?\s# #o) {
my $m = defined($4) ? "$2$4" : 0;
my $h = "$2$3";
$zone = defined($1) ? tz_offset($1) : 0;
return unless defined $zone;
$zone += 60 * ($m + (60 * $h));
}
if ($dtstr =~ /\S/) {
# now for some dumb dates
if ($dtstr =~ s/^\s*(ut?|z)\s*$//) {
$zone = 0;
}
elsif ($dtstr =~ s#\s([a-z]{3,4})?([\-\+]?)-?(\d\d?)(\d\d)?(00)?\s# #o) {
my $m = defined($4) ? "$2$4" : 0;
my $h = "$2$3";
$zone = defined($1) ? tz_offset($1) : 0;
return unless defined $zone;
$zone += 60 * ($m + (60 * $h));
}
return if $dtstr =~ /\S/o;
}
if (defined $hh) {
if ($hh == 12) {
$hh = 0 if $merid == $AM;
}
elsif ($merid == $PM) {
$hh += 12;
}
}
if (defined $year && $year > 1900) {
$century = int($year / 100);
$year -= 1900;
}
$zone += 3600 if defined $zone && $dst;
$ss += "0.$frac" if $frac;
return ($ss,$mm,$hh,$day,$month,$year,$zone,$century);
}
ESQ
use vars qw($day_ref $mon_ref $suf_ref $obj);sub gen_parser
{
local($day_ref,$mon_ref,$suf_ref,$obj) = @_;
if($obj)
{
my $obj_strptime = $strptime;
substr($obj_strptime,index($strptime,"sub")+6,0) = <<'ESQ';
shift; # package
ESQ
my $sub = eval "$obj_strptime" or die $@;
return $sub;
}
eval "$strptime" or die $@;
}
*strptime = gen_parser(\%day,\%month,\@suf);
sub str2time
{
my @t = strptime(@_);
return undef
unless @t;
my($ss,$mm,$hh,$day,$month,$year,$zone, $century) = @t;
my @lt = localtime(time);
$hh ||= 0;
$mm ||= 0;
$ss ||= 0;
my $frac = $ss - int($ss);
$ss = int $ss;
$month = $lt[4]
unless(defined $month);
$day = $lt[3]
unless(defined $day);
$year = ($month > $lt[4]) ? ($lt[5] - 1) : $lt[5]
unless(defined $year);
$year += 1900 if defined $century;
return undef
unless($month <= 11 && $day >= 1 && $day <= 31
&& $hh <= 23 && $mm <= 59 && $ss <= 59);
my $result;
if (defined $zone) {
$result = eval {
local $SIG{__DIE__} = sub {};
timegm($ss,$mm,$hh,$day,$month,$year);
};
return undef
if !defined $result
or $result == -1
&& join("",$ss,$mm,$hh,$day,$month,$year)
ne "595923311169";
$result -= $zone;
}
else {
$result = eval {
local $SIG{__DIE__} = sub {};
timelocal($ss,$mm,$hh,$day,$month,$year);
};
return undef
if !defined $result
or $result == -1
&& join("",$ss,$mm,$hh,$day,$month,$year)
ne join("",(localtime(-1))[0..5]);
}
return $result + $frac;
}
1;