Profile of /usr/local/lib/perl5/site_perl/5.10.1/URI/_idna.pm

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For 01.HTTP.t
Run on Tue May 4 15:25:55 2010
Reported on Tue May 4 15:26:23 2010

File | /usr/local/lib/perl5/site_perl/5.10.1/URI/_idna.pm
Statements Executed | 119
Statement Execution Time | 672µs

Subroutines — ordered by exclusive time
Calls | P | F | Exclusive Time | Inclusive Time | Subroutine
--- | --- | --- | --- | --- | ---
1 | 1 | 1 | 947µs | 1.28ms | URI::_idna::::BEGIN@7URI::_idna::BEGIN@7
12 | 1 | 1 | 95µs | 155µs | URI::_idna::::ToASCIIURI::_idna::ToASCII
4 | 1 | 1 | 82µs | 237µs | URI::_idna::::encodeURI::_idna::encode
12 | 1 | 1 | 33µs | 33µs | URI::_idna::::check_sizeURI::_idna::check_size
1 | 1 | 1 | 18µs | 21µs | URI::_idna::::BEGIN@6URI::_idna::BEGIN@6
12 | 1 | 2 | 14µs | 14µs | URI::_idna::::CORE:regcompURI::_idna::CORE:regcomp (opcode)
12 | 1 | 2 | 13µs | 13µs | URI::_idna::::CORE:matchURI::_idna::CORE:match (opcode)
1 | 1 | 1 | 7µs | 30µs | URI::_idna::::BEGIN@8URI::_idna::BEGIN@8
1 | 1 | 2 | 2µs | 2µs | URI::_idna::::CORE:qrURI::_idna::CORE:qr (opcode)
0 | 0 | 0 | 0s | 0s | URI::_idna::::ToUnicodeURI::_idna::ToUnicode
0 | 0 | 0 | 0s | 0s | URI::_idna::::decodeURI::_idna::decode
0 | 0 | 0 | 0s | 0s | URI::_idna::::nameprepURI::_idna::nameprep

Call graph for these subroutines as a Graphviz dot language file.

Line | State ments | Time on line | Calls | Time in subs | Code
--- | --- | --- | --- | --- | ---
1 |  |  |  |  | package URI::_idna;
2 |  |  |  |  |
3 |  |  |  |  | # This module implements the RFCs 3490 (IDNA) and 3491 (Nameprep)
4 |  |  |  |  | # based on Python-2.6.4/Lib/encodings/idna.py
5 |  |  |  |  |
6 | 3 | 26µs | 2 | 24µs | # spent 21µs (18+3) within URI::_idna::BEGIN@6 which was called # once (18µs+3µs) by URI::_server::_host_escape at line 6 use strict; # spent 21µs making 1 call to URI::_idna::BEGIN@6 # spent 3µs making 1 call to strict::import
7 | 3 | 99µs | 2 | 1.32ms | # spent 1.28ms (947µs+328µs) within URI::_idna::BEGIN@7 which was called # once (947µs+328µs) by URI::_server::_host_escape at line 7 use URI::_punycode qw(encode_punycode decode_punycode); # spent 1.28ms making 1 call to URI::_idna::BEGIN@7 # spent 42µs making 1 call to Exporter::import
8 | 3 | 311µs | 2 | 52µs | # spent 30µs (7+23) within URI::_idna::BEGIN@8 which was called # once (7µs+23µs) by URI::_server::_host_escape at line 8 use Carp qw(croak); # spent 30µs making 1 call to URI::_idna::BEGIN@8 # spent 22µs making 1 call to Exporter::import
9 |  |  |  |  |
10 | 1 | 9µs | 1 | 2µs | my $ASCII = qr/^[\x00-\x7F]*\z/; # spent 2µs making 1 call to URI::_idna::CORE:qr
11 |  |  |  |  |
12 |  |  |  |  | # spent 237µs (82+155) within URI::_idna::encode which was called 4 times, avg 59µs/call: # 4 times (82µs+155µs) by URI::_server::_host_escape at line 24 of URI/_server.pm, avg 59µs/call sub encode {
13 | 4 | 3µs |  |  | my $idomain = shift;
14 | 4 | 16µs |  |  | my @labels = split(/\./, $idomain, -1);
15 | 4 | 1µs |  |  | my @last_empty;
16 | 4 | 5µs |  |  | push(@last_empty, pop @labels) if @labels > 1 && $labels[-1] eq "";
17 | 4 | 4µs |  |  | for (@labels) {
18 | 12 | 23µs | 12 | 155µs | $_ = ToASCII($_); # spent 155µs making 12 calls to URI::_idna::ToASCII, avg 13µs/call
19 |  |  |  |  | }
20 | 4 | 17µs |  |  | return join(".", @labels, @last_empty);
21 |  |  |  |  | }
22 |  |  |  |  |
23 |  |  |  |  | sub decode {
24 |  |  |  |  | my $domain = shift;
25 |  |  |  |  | return join(".", map ToUnicode($_), split(/\./, $domain, -1))
26 |  |  |  |  | }
27 |  |  |  |  |
28 |  |  |  |  | sub nameprep { # XXX real implementation missing
29 |  |  |  |  | my $label = shift;
30 |  |  |  |  | $label = lc($label);
31 |  |  |  |  | return $label;
32 |  |  |  |  | }
33 |  |  |  |  |
34 |  |  |  |  | # spent 33µs within URI::_idna::check_size which was called 12 times, avg 3µs/call: # 12 times (33µs+0s) by URI::_idna::ToASCII at line 43, avg 3µs/call sub check_size {
35 | 12 | 4µs |  |  | my $label = shift;
36 | 12 | 3µs |  |  | croak "Label empty" if $label eq "";
37 | 12 | 3µs |  |  | croak "Label too long" if length($label) > 63;
38 | 12 | 28µs |  |  | return $label;
39 |  |  |  |  | }
40 |  |  |  |  |
41 |  |  |  |  | # spent 155µs (95+60) within URI::_idna::ToASCII which was called 12 times, avg 13µs/call: # 12 times (95µs+60µs) by URI::_idna::encode at line 18, avg 13µs/call sub ToASCII {
42 | 12 | 4µs |  |  | my $label = shift;
43 | 12 | 112µs | 36 | 60µs | return check_size($label) if $label =~ $ASCII; # spent 33µs making 12 calls to URI::_idna::check_size, avg 3µs/call # spent 14µs making 12 calls to URI::_idna::CORE:regcomp, avg 1µs/call # spent 13µs making 12 calls to URI::_idna::CORE:match, avg 1µs/call
44 |  |  |  |  |
45 |  |  |  |  | # Step 2: nameprep
46 |  |  |  |  | $label = nameprep($label);
47 |  |  |  |  | # Step 3: UseSTD3ASCIIRules is false
48 |  |  |  |  | # Step 4: try ASCII again
49 |  |  |  |  | return check_size($label) if $label =~ $ASCII;
50 |  |  |  |  |
51 |  |  |  |  | # Step 5: Check ACE prefix
52 |  |  |  |  | if ($label =~ /^xn--/) {
53 |  |  |  |  | croak "Label starts with ACE prefix";
54 |  |  |  |  | }
55 |  |  |  |  |
56 |  |  |  |  | # Step 6: Encode with PUNYCODE
57 |  |  |  |  | $label = encode_punycode($label);
58 |  |  |  |  |
59 |  |  |  |  | # Step 7: Prepend ACE prefix
60 |  |  |  |  | $label = "xn--$label";
61 |  |  |  |  |
62 |  |  |  |  | # Step 8: Check size
63 |  |  |  |  | return check_size($label);
64 |  |  |  |  | }
65 |  |  |  |  |
66 |  |  |  |  | sub ToUnicode {
67 |  |  |  |  | my $label = shift;
68 |  |  |  |  | $label = nameprep($label) unless $label =~ $ASCII;
69 |  |  |  |  | return $label unless $label =~ /^xn--/;
70 |  |  |  |  | my $label1 = decode_punycode(substr($label, 4));
71 |  |  |  |  | my $label2 = ToASCII($label);
72 |  |  |  |  | if (lc($label) ne $label2) {
73 |  |  |  |  | croak "IDNA does not round-trip: '$label' vs '$label2'";
74 |  |  |  |  | }
75 |  |  |  |  | return $label1;
76 |  |  |  |  | }
77 |  |  |  |  |
78 | 1 | 3µs |  |  | 1;
|  |  |  |  | # spent 13µs within URI::_idna::CORE:match which was called 12 times, avg 1µs/call: # 12 times (13µs+0s) by URI::_idna::ToASCII at line 43 of URI/_idna.pm, avg 1µs/call sub URI::_idna::CORE:match; # xsub
|  |  |  |  | # spent 2µs within URI::_idna::CORE:qr which was called # once (2µs+0s) by URI::_server::_host_escape at line 10 of URI/_idna.pm sub URI::_idna::CORE:qr; # xsub
|  |  |  |  | # spent 14µs within URI::_idna::CORE:regcomp which was called 12 times, avg 1µs/call: # 12 times (14µs+0s) by URI::_idna::ToASCII at line 43 of URI/_idna.pm, avg 1µs/call sub URI::_idna::CORE:regcomp; # xsub