Filename | /usr/share/perl5/Time/Zone.pm |
Statements | Executed 28 statements in 1.29ms |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
---|---|---|---|---|---|
1 | 1 | 1 | 17µs | 63µs | BEGIN@45 | Time::Zone::
1 | 1 | 1 | 12µs | 94µs | BEGIN@47 | Time::Zone::
1 | 1 | 1 | 11µs | 43µs | BEGIN@59 | Time::Zone::
1 | 1 | 1 | 10µs | 76µs | BEGIN@149 | Time::Zone::
1 | 1 | 1 | 9µs | 12µs | BEGIN@46 | Time::Zone::
0 | 0 | 0 | 0s | 0s | calc_off | Time::Zone::
0 | 0 | 0 | 0s | 0s | tz2zone | Time::Zone::
0 | 0 | 0 | 0s | 0s | tz_local_offset | Time::Zone::
0 | 0 | 0 | 0s | 0s | tz_name | Time::Zone::
0 | 0 | 0 | 0s | 0s | tz_offset | Time::Zone::
Line | State ments |
Time on line |
Calls | Time in subs |
Code |
---|---|---|---|---|---|
1 | |||||
2 | package Time::Zone; | ||||
3 | |||||
4 | =head1 NAME | ||||
5 | |||||
- - | |||||
42 | 1 | 19µs | require 5.002; | ||
43 | |||||
44 | 1 | 1µs | require Exporter; | ||
45 | 3 | 31µs | 2 | 109µs | # spent 63µs (17+46) within Time::Zone::BEGIN@45 which was called:
# once (17µs+46µs) by Date::Parse::BEGIN@12 at line 45 # spent 63µs making 1 call to Time::Zone::BEGIN@45
# spent 46µs making 1 call to Exporter::import |
46 | 3 | 27µs | 2 | 15µs | # spent 12µs (9+3) within Time::Zone::BEGIN@46 which was called:
# once (9µs+3µs) by Date::Parse::BEGIN@12 at line 46 # spent 12µs making 1 call to Time::Zone::BEGIN@46
# spent 3µs making 1 call to strict::import |
47 | 3 | 80µs | 2 | 177µs | # spent 94µs (12+82) within Time::Zone::BEGIN@47 which was called:
# once (12µs+82µs) by Date::Parse::BEGIN@12 at line 47 # spent 94µs making 1 call to Time::Zone::BEGIN@47
# spent 82µs making 1 call to vars::import |
48 | |||||
49 | 1 | 9µs | @ISA = qw(Exporter); | ||
50 | 1 | 1µs | @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 | 364µs | 2 | 74µs | # spent 43µs (11+32) within Time::Zone::BEGIN@59 which was called:
# once (11µs+32µs) by Date::Parse::BEGIN@12 at line 59 # spent 43µs making 1 call to Time::Zone::BEGIN@59
# spent 32µs 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 | 5µs | 1 | 66µs | CONFIG: { # spent 66µs making 1 call to vars::import |
149 | 3 | 616µs | 1 | 76µs | # spent 76µs (10+66) within Time::Zone::BEGIN@149 which was called:
# once (10µs+66µs) by Date::Parse::BEGIN@12 at line 149 # spent 76µs making 1 call to Time::Zone::BEGIN@149 |
150 | |||||
151 | 1 | 5µs | 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 | 1 | 14µs | 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 | 1 | 37µs | %Zone = @Zone; | ||
244 | 1 | 15µs | %dstZone = @dstZone; | ||
245 | 1 | 30µs | %zoneOff = reverse(@Zone); | ||
246 | 1 | 16µs | %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 | 20µs | 1; |