| Filename | /usr/share/perl5/Time/Zone.pm |
| Statements | Executed 28 statements in 1.28ms |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 20µs | 78µs | Time::Zone::BEGIN@45 |
| 1 | 1 | 1 | 11µs | 14µs | Time::Zone::BEGIN@46 |
| 1 | 1 | 1 | 10µs | 80µs | Time::Zone::BEGIN@149 |
| 1 | 1 | 1 | 9µs | 31µs | Time::Zone::BEGIN@59 |
| 1 | 1 | 1 | 9µs | 71µs | Time::Zone::BEGIN@47 |
| 0 | 0 | 0 | 0s | 0s | Time::Zone::calc_off |
| 0 | 0 | 0 | 0s | 0s | Time::Zone::tz2zone |
| 0 | 0 | 0 | 0s | 0s | Time::Zone::tz_local_offset |
| 0 | 0 | 0 | 0s | 0s | Time::Zone::tz_name |
| 0 | 0 | 0 | 0s | 0s | Time::Zone::tz_offset |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | |||||
| 2 | package Time::Zone; | ||||
| 3 | |||||
| 4 | =head1 NAME | ||||
| 5 | |||||
| - - | |||||
| 42 | 1 | 17µs | require 5.002; | ||
| 43 | |||||
| 44 | 1 | 800ns | require Exporter; | ||
| 45 | 3 | 32µs | 2 | 136µs | # spent 78µs (20+58) within Time::Zone::BEGIN@45 which was called:
# once (20µs+58µs) by Date::Parse::BEGIN@12 at line 45 # spent 78µs making 1 call to Time::Zone::BEGIN@45
# spent 58µs making 1 call to Exporter::import |
| 46 | 3 | 27µs | 2 | 18µs | # spent 14µs (11+3) within Time::Zone::BEGIN@46 which was called:
# once (11µs+3µs) by Date::Parse::BEGIN@12 at line 46 # spent 14µs making 1 call to Time::Zone::BEGIN@46
# spent 3µs making 1 call to strict::import |
| 47 | 3 | 63µs | 2 | 132µs | # spent 71µs (9+62) within Time::Zone::BEGIN@47 which was called:
# once (9µs+62µs) by Date::Parse::BEGIN@12 at line 47 # spent 71µs making 1 call to Time::Zone::BEGIN@47
# spent 62µs making 1 call to vars::import |
| 48 | |||||
| 49 | 1 | 9µs | @ISA = qw(Exporter); | ||
| 50 | 1 | 900ns | @EXPORT = qw(tz2zone tz_local_offset tz_offset tz_name); | ||
| 51 | 1 | 400ns | $VERSION = "2.24"; | ||
| 52 | |||||
| 53 | # Parts stolen from code by Paul Foley <paul@ascent.com> | ||||
| 54 | |||||
| 55 | sub tz2zone (;$$$) | ||||
| 56 | { | ||||
| 57 | my($TZ, $time, $isdst) = @_; | ||||
| 58 | |||||
| 59 | 3 | 382µs | 2 | 54µs | # spent 31µs (9+22) within Time::Zone::BEGIN@59 which was called:
# once (9µs+22µs) by Date::Parse::BEGIN@12 at line 59 # spent 31µs making 1 call to Time::Zone::BEGIN@59
# spent 22µs making 1 call to vars::import |
| 60 | |||||
| 61 | $TZ = defined($ENV{'TZ'}) ? ( $ENV{'TZ'} ? $ENV{'TZ'} : 'GMT' ) : '' | ||||
| 62 | unless $TZ; | ||||
| 63 | |||||
| 64 | # Hack to deal with 'PST8PDT' format of TZ | ||||
| 65 | # Note that this can't deal with all the esoteric forms, but it | ||||
| 66 | # does recognize the most common: [:]STDoff[DST[off][,rule]] | ||||
| 67 | |||||
| 68 | if (! defined $isdst) { | ||||
| 69 | my $j; | ||||
| 70 | $time = time() unless $time; | ||||
| 71 | ($j, $j, $j, $j, $j, $j, $j, $j, $isdst) = localtime($time); | ||||
| 72 | } | ||||
| 73 | |||||
| 74 | if (defined $tzn_cache{$TZ}->[$isdst]) { | ||||
| 75 | return $tzn_cache{$TZ}->[$isdst]; | ||||
| 76 | } | ||||
| 77 | |||||
| 78 | if ($TZ =~ /^ | ||||
| 79 | ( [^:\d+\-,] {3,} ) | ||||
| 80 | ( [+-] ? | ||||
| 81 | \d {1,2} | ||||
| 82 | ( : \d {1,2} ) {0,2} | ||||
| 83 | ) | ||||
| 84 | ( [^\d+\-,] {3,} )? | ||||
| 85 | /x | ||||
| 86 | ) { | ||||
| 87 | my $dsttz = defined($4) ? $4 : $1; | ||||
| 88 | $TZ = $isdst ? $dsttz : $1; | ||||
| 89 | $tzn_cache{$TZ} = [ $1, $dsttz ]; | ||||
| 90 | } else { | ||||
| 91 | $tzn_cache{$TZ} = [ $TZ, $TZ ]; | ||||
| 92 | } | ||||
| 93 | return $TZ; | ||||
| 94 | } | ||||
| 95 | |||||
| 96 | sub tz_local_offset (;$) | ||||
| 97 | { | ||||
| 98 | my ($time) = @_; | ||||
| 99 | |||||
| 100 | $time = time() unless $time; | ||||
| 101 | my (@l) = localtime($time); | ||||
| 102 | my $isdst = $l[8]; | ||||
| 103 | |||||
| 104 | if (defined($tz_local[$isdst])) { | ||||
| 105 | return $tz_local[$isdst]; | ||||
| 106 | } | ||||
| 107 | |||||
| 108 | $tz_local[$isdst] = &calc_off($time); | ||||
| 109 | |||||
| 110 | return $tz_local[$isdst]; | ||||
| 111 | } | ||||
| 112 | |||||
| 113 | sub calc_off | ||||
| 114 | { | ||||
| 115 | my ($time) = @_; | ||||
| 116 | |||||
| 117 | my (@l) = localtime($time); | ||||
| 118 | my (@g) = gmtime($time); | ||||
| 119 | |||||
| 120 | my $off; | ||||
| 121 | |||||
| 122 | $off = $l[0] - $g[0] | ||||
| 123 | + ($l[1] - $g[1]) * 60 | ||||
| 124 | + ($l[2] - $g[2]) * 3600; | ||||
| 125 | |||||
| 126 | # subscript 7 is yday. | ||||
| 127 | |||||
| 128 | if ($l[7] == $g[7]) { | ||||
| 129 | # done | ||||
| 130 | } elsif ($l[7] == $g[7] + 1) { | ||||
| 131 | $off += 86400; | ||||
| 132 | } elsif ($l[7] == $g[7] - 1) { | ||||
| 133 | $off -= 86400; | ||||
| 134 | } elsif ($l[7] < $g[7]) { | ||||
| 135 | # crossed over a year boundry! | ||||
| 136 | # localtime is beginning of year, gmt is end | ||||
| 137 | # therefore local is ahead | ||||
| 138 | $off += 86400; | ||||
| 139 | } else { | ||||
| 140 | $off -= 86400; | ||||
| 141 | } | ||||
| 142 | |||||
| 143 | return $off; | ||||
| 144 | } | ||||
| 145 | |||||
| 146 | # constants | ||||
| 147 | |||||
| 148 | 1 | 70µs | CONFIG: { # spent 70µs making 1 call to vars::import | ||
| 149 | 4 | 586µs | 1 | 80µs | # spent 80µs (10+70) within Time::Zone::BEGIN@149 which was called:
# once (10µs+70µs) by Date::Parse::BEGIN@12 at line 149 # spent 80µs making 1 call to Time::Zone::BEGIN@149 |
| 150 | |||||
| 151 | 6 | 133µs | my @dstZone = ( | ||
| 152 | # "ndt" => -2*3600-1800, # Newfoundland Daylight | ||||
| 153 | "brst" => -2*3600, # Brazil Summer Time (East Daylight) | ||||
| 154 | "adt" => -3*3600, # Atlantic Daylight | ||||
| 155 | "edt" => -4*3600, # Eastern Daylight | ||||
| 156 | "cdt" => -5*3600, # Central Daylight | ||||
| 157 | "mdt" => -6*3600, # Mountain Daylight | ||||
| 158 | "pdt" => -7*3600, # Pacific Daylight | ||||
| 159 | "akdt" => -8*3600, # Alaska Daylight | ||||
| 160 | "ydt" => -8*3600, # Yukon Daylight | ||||
| 161 | "hdt" => -9*3600, # Hawaii Daylight | ||||
| 162 | "bst" => +1*3600, # British Summer | ||||
| 163 | "mest" => +2*3600, # Middle European Summer | ||||
| 164 | "metdst" => +2*3600, # Middle European DST | ||||
| 165 | "sst" => +2*3600, # Swedish Summer | ||||
| 166 | "fst" => +2*3600, # French Summer | ||||
| 167 | "cest" => +2*3600, # Central European Daylight | ||||
| 168 | "eest" => +3*3600, # Eastern European Summer | ||||
| 169 | "msd" => +4*3600, # Moscow Daylight | ||||
| 170 | "wadt" => +8*3600, # West Australian Daylight | ||||
| 171 | "kdt" => +10*3600, # Korean Daylight | ||||
| 172 | # "cadt" => +10*3600+1800, # Central Australian Daylight | ||||
| 173 | "aedt" => +11*3600, # Eastern Australian Daylight | ||||
| 174 | "eadt" => +11*3600, # Eastern Australian Daylight | ||||
| 175 | "nzd" => +13*3600, # New Zealand Daylight | ||||
| 176 | "nzdt" => +13*3600, # New Zealand Daylight | ||||
| 177 | ); | ||||
| 178 | |||||
| 179 | my @Zone = ( | ||||
| 180 | "gmt" => 0, # Greenwich Mean | ||||
| 181 | "ut" => 0, # Universal (Coordinated) | ||||
| 182 | "utc" => 0, | ||||
| 183 | "wet" => 0, # Western European | ||||
| 184 | "wat" => -1*3600, # West Africa | ||||
| 185 | "at" => -2*3600, # Azores | ||||
| 186 | "fnt" => -2*3600, # Brazil Time (Extreme East - Fernando Noronha) | ||||
| 187 | "brt" => -3*3600, # Brazil Time (East Standard - Brasilia) | ||||
| 188 | # For completeness. BST is also British Summer, and GST is also Guam Standard. | ||||
| 189 | # "bst" => -3*3600, # Brazil Standard | ||||
| 190 | # "gst" => -3*3600, # Greenland Standard | ||||
| 191 | # "nft" => -3*3600-1800,# Newfoundland | ||||
| 192 | # "nst" => -3*3600-1800,# Newfoundland Standard | ||||
| 193 | "mnt" => -4*3600, # Brazil Time (West Standard - Manaus) | ||||
| 194 | "ewt" => -4*3600, # U.S. Eastern War Time | ||||
| 195 | "ast" => -4*3600, # Atlantic Standard | ||||
| 196 | "est" => -5*3600, # Eastern Standard | ||||
| 197 | "act" => -5*3600, # Brazil Time (Extreme West - Acre) | ||||
| 198 | "cst" => -6*3600, # Central Standard | ||||
| 199 | "mst" => -7*3600, # Mountain Standard | ||||
| 200 | "pst" => -8*3600, # Pacific Standard | ||||
| 201 | "akst" => -9*3600, # Alaska Standard | ||||
| 202 | "yst" => -9*3600, # Yukon Standard | ||||
| 203 | "hst" => -10*3600, # Hawaii Standard | ||||
| 204 | "cat" => -10*3600, # Central Alaska | ||||
| 205 | "ahst" => -10*3600, # Alaska-Hawaii Standard | ||||
| 206 | "nt" => -11*3600, # Nome | ||||
| 207 | "idlw" => -12*3600, # International Date Line West | ||||
| 208 | "cet" => +1*3600, # Central European | ||||
| 209 | "mez" => +1*3600, # Central European (German) | ||||
| 210 | "ect" => +1*3600, # Central European (French) | ||||
| 211 | "met" => +1*3600, # Middle European | ||||
| 212 | "mewt" => +1*3600, # Middle European Winter | ||||
| 213 | "swt" => +1*3600, # Swedish Winter | ||||
| 214 | "set" => +1*3600, # Seychelles | ||||
| 215 | "fwt" => +1*3600, # French Winter | ||||
| 216 | "eet" => +2*3600, # Eastern Europe, USSR Zone 1 | ||||
| 217 | "ukr" => +2*3600, # Ukraine | ||||
| 218 | "bt" => +3*3600, # Baghdad, USSR Zone 2 | ||||
| 219 | "msk" => +3*3600, # Moscow | ||||
| 220 | # "it" => +3*3600+1800,# Iran | ||||
| 221 | "zp4" => +4*3600, # USSR Zone 3 | ||||
| 222 | "zp5" => +5*3600, # USSR Zone 4 | ||||
| 223 | # "ist" => +5*3600+1800,# Indian Standard | ||||
| 224 | "zp6" => +6*3600, # USSR Zone 5 | ||||
| 225 | # For completeness. NST is also Newfoundland Stanard, and SST is also Swedish Summer. | ||||
| 226 | # "nst" => +6*3600+1800,# North Sumatra | ||||
| 227 | # "sst" => +7*3600, # South Sumatra, USSR Zone 6 | ||||
| 228 | # "jt" => +7*3600+1800,# Java (3pm in Cronusland!) | ||||
| 229 | "wst" => +8*3600, # West Australian Standard | ||||
| 230 | "hkt" => +8*3600, # Hong Kong | ||||
| 231 | "cct" => +8*3600, # China Coast, USSR Zone 7 | ||||
| 232 | "jst" => +9*3600, # Japan Standard, USSR Zone 8 | ||||
| 233 | "kst" => +9*3600, # Korean Standard | ||||
| 234 | # "cast" => +9*3600+1800,# Central Australian Standard | ||||
| 235 | "aest" => +10*3600, # Eastern Australian Standard | ||||
| 236 | "east" => +10*3600, # Eastern Australian Standard | ||||
| 237 | "gst" => +10*3600, # Guam Standard, USSR Zone 9 | ||||
| 238 | "nzt" => +12*3600, # New Zealand | ||||
| 239 | "nzst" => +12*3600, # New Zealand Standard | ||||
| 240 | "idle" => +12*3600, # International Date Line East | ||||
| 241 | ); | ||||
| 242 | |||||
| 243 | %Zone = @Zone; | ||||
| 244 | %dstZone = @dstZone; | ||||
| 245 | %zoneOff = reverse(@Zone); | ||||
| 246 | %dstZoneOff = reverse(@dstZone); | ||||
| 247 | |||||
| 248 | } | ||||
| 249 | |||||
| 250 | sub tz_offset (;$$) | ||||
| 251 | { | ||||
| 252 | my ($zone, $time) = @_; | ||||
| 253 | |||||
| 254 | return &tz_local_offset($time) unless($zone); | ||||
| 255 | |||||
| 256 | $time = time() unless $time; | ||||
| 257 | my(@l) = localtime($time); | ||||
| 258 | my $dst = $l[8]; | ||||
| 259 | |||||
| 260 | $zone = lc $zone; | ||||
| 261 | |||||
| 262 | if($zone =~ /^(([\-\+])\d\d?)(\d\d)$/) { | ||||
| 263 | my $v = $2 . $3; | ||||
| 264 | return $1 * 3600 + $v * 60; | ||||
| 265 | } elsif (exists $dstZone{$zone} && ($dst || !exists $Zone{$zone})) { | ||||
| 266 | return $dstZone{$zone}; | ||||
| 267 | } elsif(exists $Zone{$zone}) { | ||||
| 268 | return $Zone{$zone}; | ||||
| 269 | } | ||||
| 270 | undef; | ||||
| 271 | } | ||||
| 272 | |||||
| 273 | sub tz_name (;$$) | ||||
| 274 | { | ||||
| 275 | my ($off, $dst) = @_; | ||||
| 276 | |||||
| 277 | $off = tz_offset() | ||||
| 278 | unless(defined $off); | ||||
| 279 | |||||
| 280 | $dst = (localtime(time))[8] | ||||
| 281 | unless(defined $dst); | ||||
| 282 | |||||
| 283 | if (exists $dstZoneOff{$off} && ($dst || !exists $zoneOff{$off})) { | ||||
| 284 | return $dstZoneOff{$off}; | ||||
| 285 | } elsif (exists $zoneOff{$off}) { | ||||
| 286 | return $zoneOff{$off}; | ||||
| 287 | } | ||||
| 288 | sprintf("%+05d", int($off / 60) * 100 + $off % 60); | ||||
| 289 | } | ||||
| 290 | |||||
| 291 | 1 | 30µs | 1; |