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For /usr/share/koha/opac/cgi-bin/opac/opac-search.pl
  Run on Tue Oct 15 17:10:45 2013
Reported on Tue Oct 15 17:11:23 2013

Filename/usr/share/perl5/HTTP/Date.pm
StatementsExecuted 18 statements in 1.51ms
Subroutines
Calls P F Exclusive
Time		 Inclusive
Time		 Subroutine
11129µs36µsHTTP::Date::::BEGIN@11HTTP::Date::BEGIN@11
11112µs120µsHTTP::Date::::BEGIN@14HTTP::Date::BEGIN@14
0000s0sHTTP::Date::::parse_dateHTTP::Date::parse_date
0000s0sHTTP::Date::::str2timeHTTP::Date::str2time
0000s0sHTTP::Date::::time2isoHTTP::Date::time2iso
0000s0sHTTP::Date::::time2isozHTTP::Date::time2isoz
0000s0sHTTP::Date::::time2strHTTP::Date::time2str
Call graph for these subroutines as a Graphviz dot language file.
Line State
ments		 Time
on line		 Calls Time
in subs		 Code
1package HTTP::Date;
2
31700ns$VERSION = "5.831";
4
5178µsrequire 5.004;
611µsrequire Exporter;
7112µs@ISA = qw(Exporter);
811µs@EXPORT = qw(time2str str2time);
91900ns@EXPORT_OK = qw(parse_date time2iso time2isoz);
10
11358µs244µs
# spent 36µs (29+8) within HTTP::Date::BEGIN@11 which was called: # once (29µs+8µs) by LWP::UserAgent::BEGIN@12 at line 11
use strict;
# spent 36µs making 1 call to HTTP::Date::BEGIN@11 # spent 8µs making 1 call to strict::import
121114µsrequire Time::Local;
13
1431.21ms2227µs
# spent 120µs (12+108) within HTTP::Date::BEGIN@14 which was called: # once (12µs+108µs) by LWP::UserAgent::BEGIN@12 at line 14
use vars qw(@DoW @MoY %MoY);
# spent 120µs making 1 call to HTTP::Date::BEGIN@14 # spent 108µs making 1 call to vars::import
1512µs@DoW = qw(Sun Mon Tue Wed Thu Fri Sat);
1612µs@MoY = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
1717µs@MoY{@MoY} = (1..12);
18
1913µsmy %GMT_ZONE = (GMT => 1, UTC => 1, UT => 1, Z => 1);
20
21
22sub time2str (;$)
23{
24 my $time = shift;
25 $time = time unless defined $time;
26 my ($sec, $min, $hour, $mday, $mon, $year, $wday) = gmtime($time);
27 sprintf("%s, %02d %s %04d %02d:%02d:%02d GMT",
28 $DoW[$wday],
29 $mday, $MoY[$mon], $year+1900,
30 $hour, $min, $sec);
31}
32
33
34sub str2time ($;$)
35{
36 my $str = shift;
37 return undef unless defined $str;
38
39 # fast exit for strictly conforming string
40 if ($str =~ /^[SMTWF][a-z][a-z], (\d\d) ([JFMAJSOND][a-z][a-z]) (\d\d\d\d) (\d\d):(\d\d):(\d\d) GMT$/) {
41 return eval {
42 my $t = Time::Local::timegm($6, $5, $4, $1, $MoY{$2}-1, $3);
43 $t < 0 ? undef : $t;
44 };
45 }
46
47 my @d = parse_date($str);
48 return undef unless @d;
49 $d[1]--; # month
50
51 my $tz = pop(@d);
52 unless (defined $tz) {
53 unless (defined($tz = shift)) {
54 return eval { my $frac = $d[-1]; $frac -= ($d[-1] = int($frac));
55 my $t = Time::Local::timelocal(reverse @d) + $frac;
56 $t < 0 ? undef : $t;
57 };
58 }
59 }
60
61 my $offset = 0;
62 if ($GMT_ZONE{uc $tz}) {
63 # offset already zero
64 }
65 elsif ($tz =~ /^([-+])?(\d\d?):?(\d\d)?$/) {
66 $offset = 3600 * $2;
67 $offset += 60 * $3 if $3;
68 $offset *= -1 if $1 && $1 eq '-';
69 }
70 else {
71 eval { require Time::Zone } || return undef;
72 $offset = Time::Zone::tz_offset($tz);
73 return undef unless defined $offset;
74 }
75
76 return eval { my $frac = $d[-1]; $frac -= ($d[-1] = int($frac));
77 my $t = Time::Local::timegm(reverse @d) + $frac;
78 $t < 0 ? undef : $t - $offset;
79 };
80}
81
82
83sub parse_date ($)
84{
85 local($_) = shift;
86 return unless defined;
87
88 # More lax parsing below
89 s/^\s+//; # kill leading space
90 s/^(?:Sun|Mon|Tue|Wed|Thu|Fri|Sat)[a-z]*,?\s*//i; # Useless weekday
91
92 my($day, $mon, $yr, $hr, $min, $sec, $tz, $ampm);
93
94 # Then we are able to check for most of the formats with this regexp
95 (($day,$mon,$yr,$hr,$min,$sec,$tz) =
96 /^
97 (\d\d?) # day
98 (?:\s+|[-\/])
99 (\w+) # month
100 (?:\s+|[-\/])
101 (\d+) # year
102 (?:
103 (?:\s+|:) # separator before clock
104 (\d\d?):(\d\d) # hour:min
105 (?::(\d\d))? # optional seconds
106 )? # optional clock
107 \s*
108 ([-+]?\d{2,4}|(?![APap][Mm]\b)[A-Za-z]+)? # timezone
109 \s*
110 (?:\(\w+\))? # ASCII representation of timezone in parens.
111 \s*$
112 /x)
113
114 ||
115
116 # Try the ctime and asctime format
117 (($mon, $day, $hr, $min, $sec, $tz, $yr) =
118 /^
119 (\w{1,3}) # month
120 \s+
121 (\d\d?) # day
122 \s+
123 (\d\d?):(\d\d) # hour:min
124 (?::(\d\d))? # optional seconds
125 \s+
126 (?:([A-Za-z]+)\s+)? # optional timezone
127 (\d+) # year
128 \s*$ # allow trailing whitespace
129 /x)
130
131 ||
132
133 # Then the Unix 'ls -l' date format
134 (($mon, $day, $yr, $hr, $min, $sec) =
135 /^
136 (\w{3}) # month
137 \s+
138 (\d\d?) # day
139 \s+
140 (?:
141 (\d\d\d\d) | # year
142 (\d{1,2}):(\d{2}) # hour:min
143 (?::(\d\d))? # optional seconds
144 )
145 \s*$
146 /x)
147
148 ||
149
150 # ISO 8601 format '1996-02-29 12:00:00 -0100' and variants
151 (($yr, $mon, $day, $hr, $min, $sec, $tz) =
152 /^
153 (\d{4}) # year
154 [-\/]?
155 (\d\d?) # numerical month
156 [-\/]?
157 (\d\d?) # day
158 (?:
159 (?:\s+|[-:Tt]) # separator before clock
160 (\d\d?):?(\d\d) # hour:min
161 (?::?(\d\d(?:\.\d*)?))? # optional seconds (and fractional)
162 )? # optional clock
163 \s*
164 ([-+]?\d\d?:?(:?\d\d)?
165 |Z|z)? # timezone (Z is "zero meridian", i.e. GMT)
166 \s*$
167 /x)
168
169 ||
170
171 # Windows 'dir' 11-12-96 03:52PM
172 (($mon, $day, $yr, $hr, $min, $ampm) =
173 /^
174 (\d{2}) # numerical month
175 -
176 (\d{2}) # day
177 -
178 (\d{2}) # year
179 \s+
180 (\d\d?):(\d\d)([APap][Mm]) # hour:min AM or PM
181 \s*$
182 /x)
183
184 ||
185 return; # unrecognized format
186
187 # Translate month name to number
188 $mon = $MoY{$mon} ||
189 $MoY{"\u\L$mon"} ||
190 ($mon =~ /^\d\d?$/ && $mon >= 1 && $mon <= 12 && int($mon)) ||
191 return;
192
193 # If the year is missing, we assume first date before the current,
194 # because of the formats we support such dates are mostly present
195 # on "ls -l" listings.
196 unless (defined $yr) {
197 my $cur_mon;
198 ($cur_mon, $yr) = (localtime)[4, 5];
199 $yr += 1900;
200 $cur_mon++;
201 $yr-- if $mon > $cur_mon;
202 }
203 elsif (length($yr) < 3) {
204 # Find "obvious" year
205 my $cur_yr = (localtime)[5] + 1900;
206 my $m = $cur_yr % 100;
207 my $tmp = $yr;
208 $yr += $cur_yr - $m;
209 $m -= $tmp;
210 $yr += ($m > 0) ? 100 : -100
211 if abs($m) > 50;
212 }
213
214 # Make sure clock elements are defined
215 $hr = 0 unless defined($hr);
216 $min = 0 unless defined($min);
217 $sec = 0 unless defined($sec);
218
219 # Compensate for AM/PM
220 if ($ampm) {
221 $ampm = uc $ampm;
222 $hr = 0 if $hr == 12 && $ampm eq 'AM';
223 $hr += 12 if $ampm eq 'PM' && $hr != 12;
224 }
225
226 return($yr, $mon, $day, $hr, $min, $sec, $tz)
227 if wantarray;
228
229 if (defined $tz) {
230 $tz = "Z" if $tz =~ /^(GMT|UTC?|[-+]?0+)$/;
231 }
232 else {
233 $tz = "";
234 }
235 return sprintf("%04d-%02d-%02d %02d:%02d:%02d%s",
236 $yr, $mon, $day, $hr, $min, $sec, $tz);
237}
238
239
240sub time2iso (;$)
241{
242 my $time = shift;
243 $time = time unless defined $time;
244 my($sec,$min,$hour,$mday,$mon,$year) = localtime($time);
245 sprintf("%04d-%02d-%02d %02d:%02d:%02d",
246 $year+1900, $mon+1, $mday, $hour, $min, $sec);
247}
248
249
250sub time2isoz (;$)
251{
252 my $time = shift;
253 $time = time unless defined $time;
254 my($sec,$min,$hour,$mday,$mon,$year) = gmtime($time);
255 sprintf("%04d-%02d-%02d %02d:%02d:%02dZ",
256 $year+1900, $mon+1, $mday, $hour, $min, $sec);
257}
258
259113µs1;
260
261
262__END__
Report produced by the NYTProf 4.04 Perl profiler, developed by Tim Bunce and Adam Kaplan.