my $SECS_IN_DAY = $SECS_IN_HOUR * 24;
# Forwards
-sub Today2SQLDatetime();
-sub DateToEpoch($);
-sub EpochToDate($);
+sub Today2SQLDatetime ();
+sub DateToEpoch ($);
+sub EpochToDate ($);
-sub ymdhms(;$) {
+sub ymdhms {
my ($time) = @_;
$time ||= time;
$wday,
$yday,
$isdst
- ) = localtime($time);
+ ) = localtime ($time);
# Adjust month
$mon++;
return $year, $mon, $mday, $hour, $min, $sec;
} # ymdhms
-sub julian($$$) {
+sub julian ($$$) {
my ($year, $month, $day) = @_;
my $days = 0;
return $days + $day;
} # julian
-sub _is_leap_year($) {
+sub _is_leap_year ($) {
my ($year) = @_;
-
+
return 0 if $year % 4;
return 1 if $year % 100;
return 0 if $year % 400;
-
+
return 1;
} # _is_leap_year
-sub Add($%) {
+sub Add ($%) {
my ($datetime, %parms) = @_;
-
+
=pod
=head2 Add ($datetime, %parms)
hours => $hours
days => $days
month => $month
-
+
Note that month will simply increment the month number, adjusting for overflow
of year if appropriate. Therefore a date of 2/28/2001 would increase by 1 month
to yield 3/28/2001. And, unfortunately, an increase of 1 month to 1/30/2011
'days',
'months',
);
-
- for (keys %parms) {
- unless (InArray($_, @validKeys)) {
+
+ foreach (keys %parms) {
+ unless (InArray ($_, @validKeys)) {
croak "Invalid key in DateUtils::Add: $_";
} # unless
- } # for
-
+ } # foreach
+
my $epochTime = DateToEpoch $datetime;
-
+
my $amount = 0;
-
+
$parms{seconds} ||= 0;
$parms{minutes} ||= 0;
$parms{hours} ||= 0;
$parms{days} ||= 0;
-
+
$amount += $parms{days} * $SECS_IN_DAY;
$amount += $parms{hours} * $SECS_IN_HOUR;
$amount += $parms{minutes} * $SECS_IN_MIN;
$amount += $parms{seconds};
-
+
$epochTime += $amount;
$datetime = EpochToDate $epochTime;
-
+
if ($parms{month}) {
my $years = $parms{month} / 12;
my $months = $parms{month} % 12;
-
+
my $month = substr $datetime, 5, 2;
-
+
$years += ($month + $months) / 12;
- substr($datetime, 5, 2) = ($month + $months) % 12;
-
- substr($datetime, 0, 4) = substr ($datetime, 0, 4) + $years;
+ substr ($datetime, 5, 2) = ($month + $months) % 12;
+
+ substr ($datetime, 0, 4) = substr ($datetime, 0, 4) + $years;
} # if
-
+
return $datetime;
} # Add
-sub Age($) {
+sub Age ($) {
my ($timestamp) = @_;
=pod
my $timestamp_days = julian $timestamp_year, $month, $day;
if ($timestamp_year > $today_year or
- ($timestamp_days > $today_days and $timestamp_year == $today_year)) {
+ ($timestamp_days > $today_days and $timestamp_year == $today_year)) {
return;
} else {
my $leap_days = 0;
for (my $i = $timestamp_year; $i < $today_year; $i++) {
-
+
$leap_days++ if $i % 4 == 0;
} # for
} # if
} # Age
-sub Compare($$) {
+sub Compare ($$) {
my ($date1, $date2) = @_;
-
+
=pod
=head2 Compare ($date2, $date2)
return DateToEpoch ($date1) <=> DateToEpoch ($date2);
} # Compare
-sub DateToEpoch($) {
+sub DateToEpoch ($) {
my ($date) = @_;
-
+
=pod
=head2 DateToEpoch ($datetime)
my $hour = substr $date, 11, 2;
my $minute = substr $date, 14, 2;
my $seconds = substr $date, 17, 2;
-
+
my $days;
for (my $i = 1970; $i < $year; $i++) {
$days += _is_leap_year ($i) ? 366 : 365;
} # for
-
+
my @monthDays = (
0,
31,
304,
334,
);
-
+
$days += $monthDays[$month - 1];
-
+
$days++
if _is_leap_year ($year) and $month > 2;
-
+
$days += $day - 1;
-
+
return ($days * $SECS_IN_DAY)
+ ($hour * $SECS_IN_HOUR)
+ ($minute * $SECS_IN_MIN)
+ $seconds;
} # DateToEpoch
-sub EpochToDate($) {
+sub EpochToDate ($) {
my ($epoch) = @_;
-
+
=pod
=head2 EpochToDate ($epoch)
my ($month, $day, $hour, $minute, $seconds);
my $leapYearSecs = 366 * $SECS_IN_DAY;
my $yearSecs = $leapYearSecs - $SECS_IN_DAY;
-
+
while () {
my $amount = _is_leap_year ($year) ? $leapYearSecs : $yearSecs;
-
+
last
if $amount > $epoch;
-
+
$epoch -= $amount;
$year++;
} # while
-
- my $leapYearAdjustment = _is_leap_year($year) ? 1 : 0;
-
+
+ my $leapYearAdjustment = _is_leap_year ($year) ? 1 : 0;
+
if ($epoch >= (334 + $leapYearAdjustment) * $SECS_IN_DAY) {
$month = '12';
$epoch -= (334 + $leapYearAdjustment) * $SECS_IN_DAY;
$month = '01';
} # if
- $day = int(($epoch / $SECS_IN_DAY) + 1);
+ $day = int (($epoch / $SECS_IN_DAY) + 1);
$epoch = $epoch % $SECS_IN_DAY;
- $hour = int($epoch / $SECS_IN_HOUR);
+ $hour = int ($epoch / $SECS_IN_HOUR);
$epoch = $epoch % $SECS_IN_HOUR;
- $minute = int($epoch / $SECS_IN_MIN);
+ $minute = int ($epoch / $SECS_IN_MIN);
$seconds = $epoch % $SECS_IN_MIN;
-
+
$day = "0$day" if $day < 10;
$hour = "0$hour" if $hour < 10;
$minute = "0$minute" if $minute < 10;
$seconds = "0$seconds" if $seconds < 10;
-
+
return "$year-$month-$day $hour:$minute:$seconds";
} # EpochToDate
-sub UTCTime($) {
+sub UTCTime ($) {
my ($datetime) = @_;
-
+
=pod
=head2 UTCTime ($epoch)
=cut
my @localtime = localtime;
- my ($sec, $min, $hour, $mday, $mon, $year) = gmtime(
+ my ($sec, $min, $hour, $mday, $mon, $year) = gmtime (
DateToEpoch ($datetime) - (timegm (@localtime) - timelocal (@localtime))
);
-
+
$year += 1900;
$mon++;
$hour = '0' . $hour if $hour < 10;
$mon = '0' . $mon if $mon < 10;
$mday = '0' . $mday if $mday < 10;
-
+
return "$year-$mon-${mday}T$hour:$min:${sec}Z";
} # UTCTime
-sub UTC2Localtime($) {
+sub UTC2Localtime ($) {
my ($utcdatetime) = @_;
-
+
# If the field does not look like a UTC time then just return it.
return $utcdatetime unless $utcdatetime =~ /\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z/;
);
} # UTC2Localtime
-sub FormatDate($) {
+sub FormatDate ($) {
my ($date) = @_;
=pod
. substr ($date, 0, 4);
} # FormatDate
-sub FormatTime($) {
+sub FormatTime ($) {
my ($time) = @_;
=pod
my $AmPm = $hours > 12 ? "Pm" : "Am";
$hours = $hours - 12 if $hours > 12;
-
+
$hours = "0$hours" if length $hours == 1;
return "$hours:$minutes $AmPm";
} # FormatTime
-sub MDY(;$) {
+sub MDY (;$) {
my ($time) = @_;
=pod
return "$mon/$mday/$year";
} # MDY
-sub SQLDatetime2UnixDatetime($) {
+sub SQLDatetime2UnixDatetime ($) {
my ($sqldatetime) = @_;
=pod
my $year = substr $sqldatetime, 0, 4;
my $month = substr $sqldatetime, 5, 2;
my $day = substr $sqldatetime, 8, 2;
- my $time = FormatTime(substr $sqldatetime, 11);
+ my $time = FormatTime (substr $sqldatetime, 11);
return $months{$month} . " $day, $year \@ $time";
} # SQLDatetime2UnixDatetime
-sub SubtractDays($$) {
+sub SubtractDays ($$) {
my ($timestamp, $nbr_of_days) = @_;
=pod
return $year . "-" . $month . "-" . $days . substr $timestamp, 10;
} # SubtractDays
-sub Today2SQLDatetime() {
+sub Today2SQLDatetime () {
=pod
return UnixDatetime2SQLDatetime (scalar (localtime));
} # Today2SQLDatetime
-sub UnixDatetime2SQLDatetime($) {
+sub UnixDatetime2SQLDatetime ($) {
my ($datetime) = @_;
=pod
unless ($months{$month_name}) {
$month_name = substr $datetime, 8, 3;
} # unless
-
+
my $month = $months{$month_name};
my $time = substr $datetime, 11, 8;
warning "Year undefined for $orig_datetime\nReturning today's date";
return Today2SQLDatetime;
} # unless
-
+
unless ($month) {
warning "Month undefined for $orig_datetime\nReturning today's date";
return Today2SQLDatetime;
} # unless
-
+
unless ($day) {
warning "Day undefined for $orig_datetime\nReturning today's date";
return Today2SQLDatetime;
return "$year-$month-$day $time";
} # UnixDatetime2SQLDatetime
-sub YMD(;$) {
+sub YMD (;$) {
my ($time) = @_;
=pod
return "$year$mon$mday";
} # YMD
-sub YMDHM(;$) {
+sub YMDHM (;$) {
my ($time) = @_;
=pod
return "$year$mon$mday\@$hour:$min";
} # YMDHM
-sub YMDHMS(;$) {
+sub YMDHMS (;$) {
my ($time) = @_;
=pod
return "$year$mon$mday\@$hour:$min:$sec";
} # YMDHMS
-sub timestamp(;$) {
+sub timestamp (;$) {
my ($time) = @_;
=pod
return "$year$mon${mday}_$hour$min$sec";
} # timestamp
-sub MDYHMS2SQLDatetime($) {
- my ($datetime) = @_;
-
- $datetime =~ s/^\s+|\s+$//g;
-
- my ($year, $mon, $day, $hour, $min, $sec, $ampm);
-
- # For datetime format of MM/DD/YYYY HH:MM:SS [Am|Pm]
- if ($datetime =~ /^(\d{1,2})\/(\d{1,2})\/(\d{4}) (\d{1,2}):(\d{1,2}):(\d{1,2}) (\w{2})$/) {
- $mon = $1;
- $day = $2;
- $year = $3;
- $hour = $4;
- $min = $5;
- $sec = $6;
- $ampm = $7;
- # For datetime format of MM/DD/YYYY HH:MM:SS
- } elsif ($datetime =~ /^(\d{1,2})\/(\d{1,2})\/(\d{4}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/){
- $mon = $1;
- $day = $2;
- $year = $3;
- $hour = $4;
- $min = $5;
- $sec = $6;
- # For datetime format of MM/DD/YYYY
- } elsif ($datetime =~ /^(\d{1,2})\/(\d{1,2})\/(\d{4})$/) {
- $mon = $1;
- $day = $2;
- $year = $3;
- $hour = '00';
- $min = '00';
- $sec = '00';
- } else {
- return
- } # if
-
- # Range checks
- return if $mon > 12 or $mon <= 0;
- return if $day > 31 or $day <= 0;
- return if $hour > 23 or $hour < 0;
- return if $min > 59 or $min < 0;
-
- if ($day >= 31 and ($mon == 2
- or $mon == 4
- or $mon == 6
- or $mon == 9
- or $mon == 11)) {
- return;
- } # if
-
- return if $day > 29 and $mon == 2;
- return if $day == 29 and $mon == 2 and not _is_leap_year($year);
-
- # Convert to 24 hour time if necessary
- $hour += 12 if $ampm and $ampm =~ /pm/i;
-
- # Add any leading zeros
- $mon = "0$mon" if length $mon == 1;
- $day = "0$day" if length $day == 1;
- $hour = "0$hour" if length $hour == 1;
- $min = "0$min" if length $min == 1;
- $sec = "0$sec" if length $sec == 1;
-
- return "$year-$mon-$day $hour:$min:$sec";
-} # MDYHMS2SQLDatetime
-
1;
=head2 DEPENDENCIES
projects / clearscm.git / blobdiff