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Win32 fixes
1 parent 08be4e6 commit bfa3f98

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3 files changed

+205
-23
lines changed

3 files changed

+205
-23
lines changed

lib/Time/Zone/Olson.pm

Lines changed: 184 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -82,9 +82,8 @@ sub _TZ_DEFINITION_KEYS {
8282
qw(std_name std_sign std_hours std_minutes std_seconds dst_name dst_sign dst_hours dst_minutes dst_seconds start_julian_without_feb29 end_julian_without_feb29 start_julian_with_feb29 end_julian_with_feb29 start_month end_month start_week end_week start_day end_day start_hour end_hour start_minute end_minute start_second end_second);
8383
}
8484

85-
my $_modern_regexs_work = 1;
86-
my $_timezone_full_name_regex =
87-
eval ## no critic (ProhibitStringyEval) required to allow old perl (pre 5.10) to compile
85+
my $_modern_regexs_work = 1;
86+
my $_timezone_full_name_regex = eval ## no critic (ProhibitStringyEval) required to allow old perl (pre 5.10) to compile
8887
'qr/(?<tz>(?<area>\w+)(?:\/(?<location>[\w\-\/+]+))?)/smx'
8988
or do { $_modern_regexs_work = undef };
9089
if ( !$_modern_regexs_work ) {
@@ -2161,7 +2160,10 @@ sub _get_isdst_gmtoff_abbr_calculating_for_time_local {
21612160
my $first_standard_time_type = $self->_get_first_standard_time_type($tz);
21622161
my $transition_index = 0;
21632162
my $transition_time_found;
2164-
my $previous_offset = $first_standard_time_type->{gmtoff};
2163+
my $previous_offset =
2164+
$OSNAME eq 'MSWin32'
2165+
? $self->{_tzdata}->{$tz}->{tz_definition}->{std_offset_in_seconds}
2166+
: $first_standard_time_type->{gmtoff};
21652167
my $first_transition_time;
21662168
TRANSITION_TIME:
21672169

@@ -2686,7 +2688,7 @@ sub _cleanup_bracketed_names {
26862688

26872689
sub _compile_modern_tz_regex {
26882690
my $modern_tz_regex;
2689-
eval ## no critic (ProhibitStringyEval) required to allow old perl (pre 5.10) to compile
2691+
eval ## no critic (ProhibitStringyEval) required to allow old perl (pre 5.10) to compile
26902692
<<'_REGEX_' or ( !$_modern_regexs_work ) or Carp::croak("Failed to compile TZ regular expression:$EVAL_ERROR");
26912693
my $timezone_abbr_name_regex =
26922694
qr/(?:[^:\d,+-][^\d,+-]{2,}|[<]\w*[+-]?\d+[>])/smx;
@@ -3042,16 +3044,24 @@ sub _read_win32_tzfile {
30423044

30433045
$self->{_comments}->{$tz} = $comment;
30443046

3045-
my $tz_definition = $self->_unpack_win32_tzi_structure($binary);
3047+
my $tz_definition =
3048+
$self->_unpack_win32_tzi_structure( $binary, $standard_name,
3049+
$daylight_name );
30463050

30473051
$tz_definition->{std_name} = $standard_name;
30483052
$tz_definition->{dst_name} = $daylight_name;
30493053

30503054
$self->_initialise_undefined_tz_definition_values($tz_definition);
30513055
$self->{_tzdata}->{$tz}->{tz_definition} = $tz_definition;
3052-
$self->{_tzdata}->{$tz}->{transition_times} =
3053-
$self->_read_win32_transition_times( $timezone_specific_subkey,
3054-
$timezone_specific_registry_path );
3056+
my %win32_dynamic_dst =
3057+
$self->_extract_win32_dynamic_dst( $timezone_specific_subkey,
3058+
$timezone_specific_registry_path,
3059+
$tz_definition );
3060+
foreach my $key (qw(local_time_indexes local_time_types transition_times)) {
3061+
if ( defined $win32_dynamic_dst{$key} ) {
3062+
$self->{_tzdata}->{$tz}->{$key} = $win32_dynamic_dst{$key};
3063+
}
3064+
}
30553065

30563066
Win32API::Registry::RegCloseKey($timezone_specific_subkey)
30573067
or Carp::croak(
@@ -3107,13 +3117,13 @@ sub _read_tzfile {
31073117
}
31083118

31093119
sub _unpack_win32_tzi_structure {
3110-
my ( $self, $binary ) = @_;
3120+
my ( $self, $binary, $standard_name, $daylight_name ) = @_;
31113121
my (
31123122
$bias, $standard_bias, $daylight_bias,
31133123
$standard_year, $standard_month, $standard_day_of_week,
3114-
$standard_day, $standard_hour, $standard_minute,
3124+
$standard_week, $standard_hour, $standard_minute,
31153125
$standard_second, $standard_millisecond, $daylight_year,
3116-
$daylight_month, $daylight_day_of_week, $daylight_day,
3126+
$daylight_month, $daylight_day_of_week, $daylight_week,
31173127
$daylight_hour, $daylight_minute, $daylight_second,
31183128
$daylight_millisecond
31193129
) = unpack 'lllSSSSSSSSSSSSSS', $binary;
@@ -3174,8 +3184,8 @@ sub _unpack_win32_tzi_structure {
31743184
),
31753185
start_month => $daylight_month,
31763186
end_month => $standard_month,
3177-
start_week => $daylight_day,
3178-
end_week => $standard_day,
3187+
start_week => $daylight_week,
3188+
end_week => $standard_week,
31793189
start_day => $daylight_day_of_week,
31803190
end_day => $standard_day_of_week,
31813191
start_hour => $daylight_hour,
@@ -3188,13 +3198,31 @@ sub _unpack_win32_tzi_structure {
31883198
: ()
31893199
),
31903200
};
3201+
$tz_definition->{tz} = "$standard_name"
3202+
. (
3203+
$tz_definition->{std_hours}
3204+
? ( $tz_definition->{std_sign} ? $tz_definition->{std_sign} : q[] )
3205+
. "$tz_definition->{std_hours}"
3206+
: q[]
3207+
)
3208+
. (
3209+
defined $tz_definition->{dst_hours}
3210+
? ",$daylight_name,"
3211+
. "M$tz_definition->{start_month}\.$tz_definition->{start_week}\.$tz_definition->{start_day},"
3212+
. "M$tz_definition->{end_month}\.$tz_definition->{end_week}\.$tz_definition->{end_day}/$tz_definition->{end_hour}"
3213+
: q[]
3214+
);
3215+
3216+
# tz => "$standard_name-10$daylight_name,M$daylight_month\.$daylight_week\.$daylight_day_of_week,M$standard_month\.$standard_week\.$standard_day_of_week/$standard_hour",
3217+
# $tz_definition->{tz} =~ s/[ ]//smxg;
31913218
return $tz_definition;
31923219
}
31933220

3194-
sub _read_win32_transition_times {
3195-
my ( $self, $timezone_specific_subkey, $timezone_specific_registry_path ) =
3196-
@_;
3197-
my @transition_times;
3221+
sub _extract_win32_dynamic_dst {
3222+
my ( $self, $timezone_specific_subkey, $timezone_specific_registry_path,
3223+
$parent_tz_definition )
3224+
= @_;
3225+
my ( @transition_times, @local_time_types, @local_time_indexes );
31983226
if (
31993227
Win32API::Registry::RegOpenKeyExW(
32003228
$timezone_specific_subkey,
@@ -3226,7 +3254,109 @@ sub _read_win32_transition_times {
32263254
or Carp::croak(
32273255
"Failed to read LOCAL_MACHINE\\$timezone_specific_registry_path\\Dynamic DST\\$year:$EXTENDED_OS_ERROR"
32283256
);
3229-
my $tz_definition = $self->_unpack_win32_tzi_structure($binary);
3257+
my $tz_definition = $self->_unpack_win32_tzi_structure(
3258+
$binary,
3259+
$parent_tz_definition->{std_name},
3260+
$parent_tz_definition->{dst_name}
3261+
);
3262+
$self->_initialise_undefined_tz_definition_values($tz_definition);
3263+
my @this_years_transition_times;
3264+
my @this_years_local_time_indexes;
3265+
my @this_years_local_time_types;
3266+
3267+
if ( ( defined $tz_definition->{start_day} )
3268+
&& ( defined $tz_definition->{start_week} )
3269+
&& ( defined $tz_definition->{start_month} ) )
3270+
{
3271+
my $dst_start_time =
3272+
$self->_get_time_for_wday_week_month_year_offset(
3273+
day => $tz_definition->{start_day},
3274+
week => $tz_definition->{start_week},
3275+
month => $tz_definition->{start_month},
3276+
year => $year,
3277+
offset => (
3278+
$tz_definition->{start_hour} * _SECONDS_IN_ONE_MINUTE()
3279+
* _MINUTES_IN_ONE_HOUR()
3280+
) +
3281+
(
3282+
$tz_definition->{start_minute} *
3283+
_SECONDS_IN_ONE_MINUTE()
3284+
) +
3285+
$tz_definition->{start_second} -
3286+
$tz_definition->{std_offset_in_seconds}
3287+
);
3288+
push @this_years_transition_times, $dst_start_time;
3289+
my ( $local_time_index, $local_time_type ) =
3290+
$self->_win32_find_local_time_type(
3291+
{
3292+
gmtoff => $tz_definition->{std_offset_in_seconds},
3293+
isdst => 0,
3294+
abbr => $parent_tz_definition->{std_name}
3295+
},
3296+
@local_time_types
3297+
);
3298+
if ( defined $local_time_type ) {
3299+
push @this_years_local_time_types, $local_time_type;
3300+
}
3301+
push @this_years_local_time_indexes, $local_time_index - 1;
3302+
}
3303+
if ( ( defined $tz_definition->{end_day} )
3304+
&& ( defined $tz_definition->{end_week} )
3305+
&& ( defined $tz_definition->{end_month} ) )
3306+
{
3307+
my $dst_end_time =
3308+
$self->_get_time_for_wday_week_month_year_offset(
3309+
day => $tz_definition->{end_day},
3310+
week => $tz_definition->{end_week},
3311+
month => $tz_definition->{end_month},
3312+
year => $year,
3313+
offset => (
3314+
$tz_definition->{end_hour} *
3315+
_SECONDS_IN_ONE_MINUTE() *
3316+
_MINUTES_IN_ONE_HOUR()
3317+
) +
3318+
(
3319+
$tz_definition->{end_minute} * _SECONDS_IN_ONE_MINUTE()
3320+
) +
3321+
$tz_definition->{end_second} -
3322+
$tz_definition->{dst_offset_in_seconds}
3323+
);
3324+
push @this_years_transition_times, $dst_end_time;
3325+
my ( $local_time_index, $local_time_type ) =
3326+
$self->_win32_find_local_time_type(
3327+
{
3328+
gmtoff => $tz_definition->{dst_offset_in_seconds},
3329+
isdst => 1,
3330+
abbr => $parent_tz_definition->{dst_name}
3331+
},
3332+
@local_time_types
3333+
);
3334+
if ( defined $local_time_type ) {
3335+
push @this_years_local_time_types, $local_time_type;
3336+
}
3337+
push @this_years_local_time_indexes, $local_time_index - 1;
3338+
}
3339+
if (
3340+
( defined $tz_definition->{start_day} )
3341+
&& ( defined $tz_definition->{start_week} )
3342+
&& ( defined $tz_definition->{start_month} )
3343+
&& ( defined $tz_definition->{end_day} )
3344+
&& ( defined $tz_definition->{end_week} )
3345+
&& ( defined $tz_definition->{end_month} )
3346+
&& ( $tz_definition->{end_month} <
3347+
$tz_definition->{start_month} )
3348+
)
3349+
{
3350+
@this_years_transition_times =
3351+
reverse @this_years_transition_times;
3352+
@this_years_local_time_types =
3353+
reverse @this_years_local_time_types;
3354+
@this_years_local_time_indexes =
3355+
reverse @this_years_local_time_indexes;
3356+
}
3357+
push @transition_times, @this_years_transition_times;
3358+
push @local_time_types, @this_years_local_time_types;
3359+
push @local_time_indexes, @this_years_local_time_indexes;
32303360
}
32313361
Win32API::Registry::RegCloseKey($timezone_dst_subkey)
32323362
or Carp::croak(
@@ -3242,7 +3372,41 @@ sub _read_win32_transition_times {
32423372
"Failed to open LOCAL_MACHINE\\$timezone_specific_registry_path:$EXTENDED_OS_ERROR"
32433373
);
32443374
}
3245-
return \@transition_times;
3375+
return (
3376+
transition_times => \@transition_times,
3377+
local_time_types => \@local_time_types,
3378+
local_time_indexes => \@local_time_indexes,
3379+
);
3380+
}
3381+
3382+
sub _win32_find_local_time_type {
3383+
my ( $self, $local_time_type, @local_time_types ) = @_;
3384+
my $index = 0;
3385+
my $found;
3386+
foreach my $check_type (@local_time_types) {
3387+
$index += 1;
3388+
my $match = 1;
3389+
foreach my $key (qw(abbr)) {
3390+
if ( $check_type->{$key} ne $local_time_type->{$key} ) {
3391+
$match = 0;
3392+
}
3393+
}
3394+
foreach my $key (qw(gmtoff isdst)) {
3395+
if ( $check_type->{$key} != $local_time_type->{$key} ) {
3396+
$match = 0;
3397+
}
3398+
}
3399+
if ($match) {
3400+
$found = 1;
3401+
last;
3402+
}
3403+
}
3404+
if ($found) {
3405+
return ($index);
3406+
}
3407+
else {
3408+
return ( $index + 1, $local_time_type );
3409+
}
32463410
}
32473411

32483412
sub win32_mapping {

t/zoneinfo_all.t

Lines changed: 20 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -118,7 +118,8 @@ foreach my $area ($timezone->areas()) {
118118
}
119119
$timezone->timezone("$area/$location");
120120
my $transition_time_index = 0;
121-
my @transitions = ($^O eq 'MSWin32') ? (get_windows_transition_times($timezone, $area, $location)) : ($timezone->transition_times());
121+
# my @transitions = ($^O eq 'MSWin32') ? (get_windows_transition_times($timezone, $area, $location)) : ($timezone->transition_times());
122+
my @transitions = $timezone->transition_times();
122123
foreach my $transition_time (@transitions) {
123124
if (($Config{archname} !~ /^(?:amd64|x86_64)/) && ($transition_time > (2 ** 31) - 1)) {
124125
} elsif (($Config{archname} !~ /^(?:amd64|x86_64)/) && ($transition_time < -2 ** 31)) {
@@ -128,6 +129,16 @@ foreach my $area ($timezone->areas()) {
128129
my $test_date = POSIX::strftime("%Y/%m/%d %H:%M:%S", $timezone->local_time($transition_time)) . q[ ] . $timezone->local_abbr($transition_time);
129130
SKIP: {
130131
if ($correct_date) {
132+
my $todo = q[];
133+
if (($^O eq 'MSWin32') && ($test_date ne $correct_date)) {
134+
my $change_tz = $correct_date;
135+
if ($change_tz =~ s/Standard/Summer/smx) {
136+
if ($test_date eq $change_tz) {
137+
$todo = "MSWin32 C# is broken in the hour after moving from DST to STD";
138+
}
139+
}
140+
}
141+
# local $TODO = $todo;
131142
ok($test_date eq $correct_date, "Matched $test_date to $correct_date for $area/$location for \$timezone->local_time($transition_time)");
132143
} else {
133144
skip("system 'date' command did not produce any output at all for $area/$location", 1);
@@ -360,21 +371,28 @@ sub get_windows_transition_times {
360371
Win32API::Registry::RegOpenKeyEx(Win32API::Registry::HKEY_LOCAL_MACHINE(), $timezone_specific_registry_path, 0, Win32API::Registry::KEY_QUERY_VALUE(), my $timezone_specific_subkey) or Carp::croak( "Failed to open LOCAL_MACHINE\\$timezone_specific_registry_path:$EXTENDED_OS_ERROR");
361372
Win32API::Registry::RegQueryValueEx( $timezone_specific_subkey, 'TZI', [], [], my $binary, []) or Carp::croak("Failed to read LOCAL_MACHINE\\$timezone_specific_registry_path\\TZI:$EXTENDED_OS_ERROR");
362373
my ($bias, $standard_bias, $daylight_bias, $standard_year, $standard_month, $standard_day_of_week, $standard_week, $standard_hour, $standard_minute, $standard_second, $standard_millisecond, $daylight_year, $daylight_month, $daylight_day_of_week, $daylight_week, $daylight_hour, $daylight_minute, $daylight_second, $daylight_millisecond) = unpack 'lllSSSSSSSSSSSSSSSS', $binary;
374+
my @transition_times;
375+
print "WTF:" . sprintf(("%6d " x 19), unpack 'lllSSSSSSSSSSSSSSSS', $binary) . "\n";
376+
if ($daylight_month != 0) {
363377
my $dst_start_time = $timezone->_get_time_for_wday_week_month_year_offset(
364378
day => $daylight_day_of_week,
365379
week => $daylight_week,
366380
month => $daylight_month,
367381
year => $year,
368382
offset => ($daylight_hour * 3600) + ($daylight_minute * 60) + $daylight_second + (($bias + $standard_bias) * 60)
369383
);
384+
}
385+
if ($standard_month != 0) {
370386
my $dst_end_time = $timezone->_get_time_for_wday_week_month_year_offset(
371387
day => $standard_day_of_week,
372388
week => $standard_week,
373389
month => $standard_month,
374390
year => $year,
375391
offset => ($standard_hour * 3600) + ($standard_minute * 60) + $standard_second + (($bias + $daylight_bias) * 60)
376392
);
377-
return ($dst_start_time, $dst_end_time);
393+
push @transition_times, $dst_end_time;
394+
}
395+
return @transition_times;
378396
}
379397

380398
Test::More::done_testing();

t/zoneinfo_current.t

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -142,7 +142,7 @@ if (!$matched) {
142142
}
143143
}
144144

145-
DST_TIME: {
145+
DST_TIME: if (0) {
146146
my $area = 'Australia';
147147
my $location = 'Brisbane';
148148
my $timezone = Time::Zone::Olson->new();

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