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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 17:12:26 2013

Filename/usr/share/koha/lib/C4/Languages.pm
StatementsExecuted 46 statements in 3.24ms
Subroutines
Calls P F Exclusive
Time		 Inclusive
Time		 Subroutine
12111267µs267µsC4::Languages::::CORE:regcompC4::Languages::CORE:regcomp (opcode)
111201µs530µsC4::Languages::::regex_lang_subtagsC4::Languages::regex_lang_subtags
1717134µs34µsC4::Languages::::CORE:qrC4::Languages::CORE:qr (opcode)
11124µs29µsC4::Languages::::BEGIN@22C4::Languages::BEGIN@22
11117µs17µsC4::Languages::::BEGIN@39C4::Languages::BEGIN@39
11116µs87µsC4::Languages::::BEGIN@24C4::Languages::BEGIN@24
11115µs15µsC4::Languages::::CORE:matchC4::Languages::CORE:match (opcode)
11114µs18µsC4::Languages::::BEGIN@25C4::Languages::BEGIN@25
1119µs93µsC4::Languages::::BEGIN@26C4::Languages::BEGIN@26
0000s0sC4::Languages::::_build_languages_arrayrefC4::Languages::_build_languages_arrayref
0000s0sC4::Languages::::_get_language_dirsC4::Languages::_get_language_dirs
0000s0sC4::Languages::::_get_themesC4::Languages::_get_themes
0000s0sC4::Languages::::accept_languageC4::Languages::accept_language
0000s0sC4::Languages::::getAllLanguagesC4::Languages::getAllLanguages
0000s0sC4::Languages::::getFrameworkLanguagesC4::Languages::getFrameworkLanguages
0000s0sC4::Languages::::getTranslatedLanguagesC4::Languages::getTranslatedLanguages
0000s0sC4::Languages::::get_bidiC4::Languages::get_bidi
0000s0sC4::Languages::::language_get_descriptionC4::Languages::language_get_description
Call graph for these subroutines as a Graphviz dot language file.
Line State
ments		 Time
on line		 Calls Time
in subs		 Code
1package C4::Languages;
2
3# Copyright 2006 (C) LibLime
4# Joshua Ferraro <jmf@liblime.com>
5# Portions Copyright 2009 Chris Cormack and the Koha Dev Team
6# This file is part of Koha.
7#
8# Koha is free software; you can redistribute it and/or modify it under the
9# terms of the GNU General Public License as published by the Free Software
10# Foundation; either version 2 of the License, or (at your option) any later
11# version.
12#
13# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
14# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License along
18# with Koha; if not, write to the Free Software Foundation, Inc.,
19# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20
21
22337µs234µs
# spent 29µs (24+5) within C4::Languages::BEGIN@22 which was called: # once (24µs+5µs) by C4::Templates::BEGIN@35 at line 22
use strict;
# spent 29µs making 1 call to C4::Languages::BEGIN@22 # spent 5µs making 1 call to strict::import
23#use warnings; FIXME - Bug 2505
24342µs2158µs
# spent 87µs (16+71) within C4::Languages::BEGIN@24 which was called: # once (16µs+71µs) by C4::Templates::BEGIN@35 at line 24
use Carp;
# spent 87µs making 1 call to C4::Languages::BEGIN@24 # spent 71µs making 1 call to Exporter::import
25332µs221µs
# spent 18µs (14+3) within C4::Languages::BEGIN@25 which was called: # once (14µs+3µs) by C4::Templates::BEGIN@35 at line 25
use C4::Context;
# spent 18µs making 1 call to C4::Languages::BEGIN@25 # spent 4µs making 1 call to C4::Context::import
263154µs2177µs
# spent 93µs (9+84) within C4::Languages::BEGIN@26 which was called: # once (9µs+84µs) by C4::Templates::BEGIN@35 at line 26
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $DEBUG);
# spent 93µs making 1 call to C4::Languages::BEGIN@26 # spent 84µs making 1 call to vars::import
27
2811µseval {
2918µs14µs if (C4::Context->ismemcached) {
# spent 4µs making 1 call to C4::Context::ismemcached
30199µs require Memoize::Memcached;
3114µs1162µs import Memoize::Memcached qw(memoize_memcached);
# spent 162µs making 1 call to Memoize::Memcached::import
32
3315µs2847µs memoize_memcached('getTranslatedLanguages', memcached => C4::Context->memcached);
# spent 844µs making 1 call to Memoize::Memcached::memoize_memcached # spent 3µs making 1 call to C4::Context::memcached
3414µs2649µs memoize_memcached('getFrameworkLanguages' , memcached => C4::Context->memcached);
# spent 647µs making 1 call to Memoize::Memcached::memoize_memcached # spent 2µs making 1 call to C4::Context::memcached
3514µs2534µs memoize_memcached('getAllLanguages', memcached => C4::Context->memcached);
# spent 533µs making 1 call to Memoize::Memcached::memoize_memcached # spent 2µs making 1 call to C4::Context::memcached
36 }
37};
38
39
# spent 17µs within C4::Languages::BEGIN@39 which was called: # once (17µs+0s) by C4::Templates::BEGIN@35 at line 50
BEGIN {
4011µs $VERSION = 3.07.00.049;
411600ns require Exporter;
4218µs @ISA = qw(Exporter);
4311µs @EXPORT = qw(
44 &getFrameworkLanguages
45 &getTranslatedLanguages
46 &getAllLanguages
47 );
4811µs @EXPORT_OK = qw(getFrameworkLanguages getTranslatedLanguages getAllLanguages get_bidi regex_lang_subtags language_get_description accept_language);
49110µs $DEBUG = 0;
5012.29ms117µs}
# spent 17µs making 1 call to C4::Languages::BEGIN@39
51
52=head1 NAME
53
- -
64=head1 FUNCTIONS
65
- -
79sub getFrameworkLanguages {
80 # get a hash with all language codes, names, and locale names
81 my $all_languages = getAllLanguages();
82 my @languages;
83
84 # find the available directory names
85 my $dir=C4::Context->config('intranetdir')."/installer/data/";
86 opendir (MYDIR,$dir);
87 my @listdir= grep { !/^\.|CVS/ && -d "$dir/$_"} readdir(MYDIR);
88 closedir MYDIR;
89
90 # pull out all data for the dir names that exist
91 for my $dirname (@listdir) {
92 for my $language_set (@$all_languages) {
93
94 if ($dirname eq $language_set->{language_code}) {
95 push @languages, {
96 'language_code'=>$dirname,
97 'language_description'=>$language_set->{language_description},
98 'native_descrition'=>$language_set->{language_native_description} }
99 }
100 }
101 }
102 return \@languages;
103}
104
105=head2 getTranslatedLanguages
106
- -
119sub getTranslatedLanguages {
120 my ($interface, $theme, $current_language, $which) = @_;
121 my $htdocs;
122 my @languages;
123 my @enabled_languages;
124
125 if ($interface && $interface eq 'opac' ) {
126 @enabled_languages = split ",", C4::Context->preference('opaclanguages');
127 $htdocs = C4::Context->config('opachtdocs');
128 if ( $theme and -d "$htdocs/$theme" ) {
129 (@languages) = _get_language_dirs($htdocs,$theme);
130 }
131 else {
132 for my $theme ( _get_themes('opac') ) {
133 push @languages, _get_language_dirs($htdocs,$theme);
134 }
135 }
136 }
137 elsif ($interface && $interface eq 'intranet' ) {
138 @enabled_languages = split ",", C4::Context->preference('language');
139 $htdocs = C4::Context->config('intrahtdocs');
140 if ( $theme and -d "$htdocs/$theme" ) {
141 @languages = _get_language_dirs($htdocs,$theme);
142 }
143 else {
144 foreach my $theme ( _get_themes('intranet') ) {
145 push @languages, _get_language_dirs($htdocs,$theme);
146 }
147 }
148 }
149 else {
150 @enabled_languages = split ",", C4::Context->preference('opaclanguages');
151 my $htdocs = C4::Context->config('intrahtdocs');
152 foreach my $theme ( _get_themes('intranet') ) {
153 push @languages, _get_language_dirs($htdocs,$theme);
154 }
155 $htdocs = C4::Context->config('opachtdocs');
156 foreach my $theme ( _get_themes('opac') ) {
157 push @languages, _get_language_dirs($htdocs,$theme);
158 }
159 my %seen;
160 $seen{$_}++ for @languages;
161 @languages = keys %seen;
162 }
163 return _build_languages_arrayref(\@languages,$current_language,\@enabled_languages);
164}
165
166=head2 getAllLanguages
167
- -
180sub getAllLanguages {
181 my $lang = shift;
182# if no parameter is passed to the function, it returns english languages names
183# if a $lang parameter conforming to RFC4646 syntax is passed, the function returns languages names translated in $lang
184# if a language name is not translated in $lang in database, the function returns english language name
185 my @languages_loop;
186 my $dbh=C4::Context->dbh;
187 my $default_language = 'en';
188 my $current_language = $default_language;
189 if ($lang) {
190 $current_language = regex_lang_subtags($lang)->{'language'};
191 }
192 my $sth = $dbh->prepare('SELECT * FROM language_subtag_registry WHERE type=\'language\'');
193 $sth->execute();
194 while (my $language_subtag_registry = $sth->fetchrow_hashref) {
195 my $desc;
196 # check if language name is stored in current language
197 my $sth4= $dbh->prepare("SELECT description FROM language_descriptions WHERE type='language' AND subtag =? AND lang = ?");
198 $sth4->execute($language_subtag_registry->{subtag},$current_language);
199 while (my $language_desc = $sth4->fetchrow_hashref) {
200 $desc=$language_desc->{description};
201 }
202 my $sth2= $dbh->prepare("SELECT * FROM language_descriptions LEFT JOIN language_rfc4646_to_iso639 on language_rfc4646_to_iso639.rfc4646_subtag = language_descriptions.subtag WHERE type='language' AND subtag =? AND language_descriptions.lang = ?");
203 if ($desc) {
204 $sth2->execute($language_subtag_registry->{subtag},$current_language);
205 }
206 else {
207 $sth2->execute($language_subtag_registry->{subtag},$default_language);
208 }
209 my $sth3 = $dbh->prepare("SELECT description FROM language_descriptions WHERE type='language' AND subtag=? AND lang=?");
210 # add the correct description info
211 while (my $language_descriptions = $sth2->fetchrow_hashref) {
212 $sth3->execute($language_subtag_registry->{subtag},$language_subtag_registry->{subtag});
213 my $native_description;
214 while (my $description = $sth3->fetchrow_hashref) {
215 $native_description = $description->{description};
216 }
217
218 # fill in the ISO6329 code
219 $language_subtag_registry->{iso639_2_code} = $language_descriptions->{iso639_2_code};
220 # fill in the native description of the language, as well as the current language's translation of that if it exists
221 if ($native_description) {
222 $language_subtag_registry->{language_description} = $native_description;
223 $language_subtag_registry->{language_description}.=" ($language_descriptions->{description})" if $language_descriptions->{description};
224 }
225 else {
226 $language_subtag_registry->{language_description} = $language_descriptions->{description};
227 }
228 }
229 push @languages_loop, $language_subtag_registry;
230 }
231 return \@languages_loop;
232}
233
234=head2 _get_themes
235
- -
243sub _get_themes {
244 my $interface = shift;
245 my $htdocs;
246 my @themes;
247 if ( $interface eq 'intranet' ) {
248 $htdocs = C4::Context->config('intrahtdocs');
249 }
250 else {
251 $htdocs = C4::Context->config('opachtdocs');
252 }
253 opendir D, "$htdocs";
254 my @dirlist = readdir D;
255 foreach my $directory (@dirlist) {
256 # if there's an en dir, it's a valid theme
257 -d "$htdocs/$directory/en" and push @themes, $directory;
258 }
259 return @themes;
260}
261
262=head2 _get_language_dirs
263
- -
268sub _get_language_dirs {
269 my ($htdocs,$theme) = @_;
270 my @lang_strings;
271 opendir D, "$htdocs/$theme";
272 for my $lang_string ( readdir D ) {
273 next if $lang_string =~/^\./;
274 next if $lang_string eq 'all';
275 next if $lang_string =~/png$/;
276 next if $lang_string =~/css$/;
277 next if $lang_string =~/CVS$/;
278 next if $lang_string =~/\.txt$/i; #Don't read the readme.txt !
279 next if $lang_string =~/img|images|famfam|sound|pdf/;
280 push @lang_strings, $lang_string;
281 }
282 return (@lang_strings);
283}
284
285=head2 _build_languages_arrayref
286
- -
293sub _build_languages_arrayref {
294 my ($translated_languages,$current_language,$enabled_languages) = @_;
295 my @translated_languages = @$translated_languages;
296 my @languages_loop; # the final reference to an array of hashrefs
297 my @enabled_languages = @$enabled_languages;
298 # how many languages are enabled, if one, take note, some contexts won't need to display it
299 my %seen_languages; # the language tags we've seen
300 my %found_languages;
301 my $language_groups;
302 my $track_language_groups;
303 my $current_language_regex = regex_lang_subtags($current_language);
304 # Loop through the translated languages
305 for my $translated_language (@translated_languages) {
306 # separate the language string into its subtag types
307 my $language_subtags_hashref = regex_lang_subtags($translated_language);
308
309 # is this language string 'enabled'?
310 for my $enabled_language (@enabled_languages) {
311 #warn "Checking out if $translated_language eq $enabled_language";
312 $language_subtags_hashref->{'enabled'} = 1 if $translated_language eq $enabled_language;
313 }
314
315 # group this language, key by langtag
316 $language_subtags_hashref->{'sublanguage_current'} = 1 if $translated_language eq $current_language;
317 $language_subtags_hashref->{'rfc4646_subtag'} = $translated_language;
318 $language_subtags_hashref->{'native_description'} = language_get_description($language_subtags_hashref->{language},$language_subtags_hashref->{language},'language');
319 $language_subtags_hashref->{'script_description'} = language_get_description($language_subtags_hashref->{script},$language_subtags_hashref->{'language'},'script');
320 $language_subtags_hashref->{'region_description'} = language_get_description($language_subtags_hashref->{region},$language_subtags_hashref->{'language'},'region');
321 $language_subtags_hashref->{'variant_description'} = language_get_description($language_subtags_hashref->{variant},$language_subtags_hashref->{'language'},'variant');
322 $track_language_groups->{$language_subtags_hashref->{'language'}}++;
323 push ( @{ $language_groups->{$language_subtags_hashref->{language}} }, $language_subtags_hashref );
324 }
325 # $key is a language subtag like 'en'
326 while( my ($key, $value) = each %$language_groups) {
327
328 # is this language group enabled? are any of the languages within it enabled?
329 my $enabled;
330 for my $enabled_language (@enabled_languages) {
331 my $regex_enabled_language = regex_lang_subtags($enabled_language);
332 $enabled = 1 if $key eq $regex_enabled_language->{language};
333 }
334 push @languages_loop, {
335 # this is only use if there is one
336 rfc4646_subtag => @$value[0]->{rfc4646_subtag},
337 native_description => language_get_description($key,$key,'language'),
338 language => $key,
339 sublanguages_loop => $value,
340 plural => $track_language_groups->{$key} >1 ? 1 : 0,
341 current => $current_language_regex->{language} eq $key ? 1 : 0,
342 group_enabled => $enabled,
343 };
344 }
345 return \@languages_loop;
346}
347
348sub language_get_description {
349 my ($script,$lang,$type) = @_;
350 my $dbh = C4::Context->dbh;
351 my $desc;
352 my $sth = $dbh->prepare("SELECT description FROM language_descriptions WHERE subtag=? AND lang=? AND type=?");
353 #warn "QUERY: SELECT description FROM language_descriptions WHERE subtag=$script AND lang=$lang AND type=$type";
354 $sth->execute($script,$lang,$type);
355 while (my $descriptions = $sth->fetchrow_hashref) {
356 $desc = $descriptions->{'description'};
357 }
358 unless ($desc) {
359 $sth = $dbh->prepare("SELECT description FROM language_descriptions WHERE subtag=? AND lang=? AND type=?");
360 $sth->execute($script,'en',$type);
361 while (my $descriptions = $sth->fetchrow_hashref) {
362 $desc = $descriptions->{'description'};
363 }
364 }
365 return $desc;
366}
367=head2 regex_lang_subtags
368
- -
375
# spent 530µs (201+329) within C4::Languages::regex_lang_subtags which was called: # once (201µs+329µs) by C4::Templates::gettemplate at line 257 of /usr/share/koha/lib/C4/Templates.pm
sub regex_lang_subtags {
37611µs my $string = shift;
377
378 # Regex for recognizing RFC 4646 well-formed tags
379 # http://www.rfc-editor.org/rfc/rfc4646.txt
380
381 # regexes based on : http://unicode.org/cldr/data/tools/java/org/unicode/cldr/util/data/langtagRegex.txt
382 # The structure requires no forward references, so it reverses the order.
383 # The uppercase comments are fragments copied from RFC 4646
384 #
385 # Note: the tool requires that any real "=" or "#" or ";" in the regex be escaped.
386
387114µs15µs my $alpha = qr/[a-zA-Z]/ ; # ALPHA
# spent 5µs making 1 call to C4::Languages::CORE:qr
38814µs12µs my $digit = qr/[0-9]/ ; # DIGIT
# spent 2µs making 1 call to C4::Languages::CORE:qr
38914µs12µs my $alphanum = qr/[a-zA-Z0-9]/ ; # ALPHA / DIGIT
# spent 2µs making 1 call to C4::Languages::CORE:qr
39015µs12µs my $x = qr/[xX]/ ; # private use singleton
# spent 2µs making 1 call to C4::Languages::CORE:qr
39115µs11µs my $singleton = qr/[a-w y-z A-W Y-Z]/ ; # other singleton
# spent 1µs making 1 call to C4::Languages::CORE:qr
39214µs11µs my $s = qr/[-]/ ; # separator -- lenient parsers will use [-_]
# spent 1µs making 1 call to C4::Languages::CORE:qr
393
394 # Now do the components. The structure is slightly different to allow for capturing the right components.
395 # The notation (?:....) is a non-capturing version of (...): so the "?:" can be deleted if someone doesn't care about capturing.
396
397131µs222µs my $extlang = qr{(?: $s $alpha{3} )}x ; # *3("-" 3ALPHA)
# spent 20µs making 1 call to C4::Languages::CORE:regcomp # spent 2µs making 1 call to C4::Languages::CORE:qr
398121µs214µs my $language = qr{(?: $alpha{2,3} | $alpha{4,8} )}x ;
# spent 13µs making 1 call to C4::Languages::CORE:regcomp # spent 1µs making 1 call to C4::Languages::CORE:qr
399 #my $language = qr{(?: $alpha{2,3}$extlang{0,3} | $alpha{4,8} )}x ; # (2*3ALPHA [ extlang ]) / 4ALPHA / 5*8ALPHA
400
401113µs27µs my $script = qr{(?: $alpha{4} )}x ; # 4ALPHA
# spent 5µs making 1 call to C4::Languages::CORE:regcomp # spent 1µs making 1 call to C4::Languages::CORE:qr
402
403128µs220µs my $region = qr{(?: $alpha{2} | $digit{3} )}x ; # 2ALPHA / 3DIGIT
# spent 18µs making 1 call to C4::Languages::CORE:regcomp # spent 2µs making 1 call to C4::Languages::CORE:qr
404
405118µs211µs my $variantSub = qr{(?: $digit$alphanum{3} | $alphanum{5,8} )}x ; # *("-" variant), 5*8alphanum / (DIGIT 3alphanum)
# spent 10µs making 1 call to C4::Languages::CORE:regcomp # spent 1µs making 1 call to C4::Languages::CORE:qr
406128µs220µs my $variant = qr{(?: $variantSub (?: $s$variantSub )* )}x ; # *("-" variant), 5*8alphanum / (DIGIT 3alphanum)
# spent 16µs making 1 call to C4::Languages::CORE:regcomp # spent 4µs making 1 call to C4::Languages::CORE:qr
407
408118µs211µs my $extensionSub = qr{(?: $singleton (?: $s$alphanum{2,8} )+ )}x ; # singleton 1*("-" (2*8alphanum))
# spent 10µs making 1 call to C4::Languages::CORE:regcomp # spent 1µs making 1 call to C4::Languages::CORE:qr
409122µs216µs my $extension = qr{(?: $extensionSub (?: $s$extensionSub )* )}x ; # singleton 1*("-" (2*8alphanum))
# spent 15µs making 1 call to C4::Languages::CORE:regcomp # spent 1µs making 1 call to C4::Languages::CORE:qr
410
411120µs212µs my $privateuse = qr{(?: $x (?: $s$alphanum{1,8} )+ )}x ; # ("x"/"X") 1*("-" (1*8alphanum))
# spent 11µs making 1 call to C4::Languages::CORE:regcomp # spent 1µs making 1 call to C4::Languages::CORE:qr
412
413 # Define certain grandfathered codes, since otherwise the regex is pretty useless.
414 # Since these are limited, this is safe even later changes to the registry --
415 # the only oddity is that it might change the type of the tag, and thus
416 # the results from the capturing groups.
417 # http://www.iana.org/assignments/language-subtag-registry
418 # Note that these have to be compared case insensitively, requiring (?i) below.
419
420193µs273µs my $grandfathered = qr{(?: (?i)
# spent 70µs making 1 call to C4::Languages::CORE:regcomp # spent 3µs making 1 call to C4::Languages::CORE:qr
421 en $s GB $s oed
422 | i $s (?: ami | bnn | default | enochian | hak | klingon | lux | mingo | navajo | pwn | tao | tay | tsu )
423 | sgn $s (?: BE $s fr | BE $s nl | CH $s de)
424)}x;
425
426 # For well-formedness, we don't need the ones that would otherwise pass, so they are commented out here
427
428 # | art $s lojban
429 # | cel $s gaulish
430 # | en $s (?: boont | GB $s oed | scouse )
431 # | no $s (?: bok | nyn)
432 # | zh $s (?: cmn | cmn $s Hans | cmn $s Hant | gan | guoyu | hakka | min | min $s nan | wuu | xiang | yue)
433
434 # Here is the final breakdown, with capturing groups for each of these components
435 # The language, variants, extensions, grandfathered, and private-use may have interior '-'
436
437 #my $root = qr{(?: ($language) (?: $s ($script) )? 40% (?: $s ($region) )? 40% (?: $s ($variant) )? 10% (?: $s ($extension) )? 5% (?: $s ($privateuse) )? 5% ) 90% | ($grandfathered) 5% | ($privateuse) 5% };
438
4391131µs496µs $string =~ qr{^ (?:($language)) (?:$s($script))? (?:$s($region))? (?:$s($variant))? (?:$s($extension))? (?:$s($privateuse))? $}xi; # |($grandfathered) | ($privateuse) $}xi;
# spent 79µs making 2 calls to C4::Languages::CORE:regcomp, avg 40µs/call # spent 15µs making 1 call to C4::Languages::CORE:match # spent 3µs making 1 call to C4::Languages::CORE:qr
440122µs13µs my %subtag = (
# spent 3µs making 1 call to Regexp::DESTROY
441 'rfc4646_subtag' => $string,
442 'language' => $1,
443 'script' => $2,
444 'region' => $3,
445 'variant' => $4,
446 'extension' => $5,
447 'privateuse' => $6,
448 );
449149µs return \%subtag;
450}
451
452# Script Direction Resources:
453# http://www.w3.org/International/questions/qa-scripts
454sub get_bidi {
455 my ($language_script)= @_;
456 my $dbh = C4::Context->dbh;
457 my $bidi;
458 my $sth = $dbh->prepare('SELECT bidi FROM language_script_bidi WHERE rfc4646_subtag=?');
459 $sth->execute($language_script);
460 while (my $result = $sth->fetchrow_hashref) {
461 $bidi = $result->{'bidi'};
462 }
463 return $bidi;
464};
465
466sub accept_language {
467 # referenced http://search.cpan.org/src/CGILMORE/I18N-AcceptLanguage-1.04/lib/I18N/AcceptLanguage.pm
468 my ($clientPreferences,$supportedLanguages) = @_;
469 my @languages = ();
470 if ($clientPreferences) {
471 # There should be no whitespace anways, but a cleanliness/sanity check
472 $clientPreferences =~ s/\s//g;
473 # Prepare the list of client-acceptable languages
474 foreach my $tag (split(/,/, $clientPreferences)) {
475 my ($language, $quality) = split(/\;/, $tag);
476 $quality =~ s/^q=//i if $quality;
477 $quality = 1 unless $quality;
478 next if $quality <= 0;
479 # We want to force the wildcard to be last
480 $quality = 0 if ($language eq '*');
481 # Pushing lowercase language here saves processing later
482 push(@languages, { quality => $quality,
483 language => $language,
484 lclanguage => lc($language) });
485 }
486 } else {
487 carp "accept_language(x,y) called with no clientPreferences (x).";
488 }
489 # Prepare the list of server-supported languages
490 my %supportedLanguages = ();
491 my %secondaryLanguages = ();
492 foreach my $language (@$supportedLanguages) {
493 # warn "Language supported: " . $language->{language};
494 my $subtag = $language->{rfc4646_subtag};
495 $supportedLanguages{lc($subtag)} = $subtag;
496 if ( $subtag =~ /^([^-]+)-?/ ) {
497 $secondaryLanguages{lc($1)} = $subtag;
498 }
499 }
500
501 # Reverse sort the list, making best quality at the front of the array
502 @languages = sort { $b->{quality} <=> $a->{quality} } @languages;
503 my $secondaryMatch = '';
504 foreach my $tag (@languages) {
505 if (exists($supportedLanguages{$tag->{lclanguage}})) {
506 # Client en-us eq server en-us
507 return $supportedLanguages{$tag->{language}} if exists($supportedLanguages{$tag->{language}});
508 return $supportedLanguages{$tag->{lclanguage}};
509 } elsif (exists($secondaryLanguages{$tag->{lclanguage}})) {
510 # Client en eq server en-us
511 return $secondaryLanguages{$tag->{language}} if exists($secondaryLanguages{$tag->{language}});
512 return $supportedLanguages{$tag->{lclanguage}};
513 } elsif ($tag->{lclanguage} =~ /^([^-]+)-/ && exists($secondaryLanguages{$1}) && $secondaryMatch eq '') {
514 # Client en-gb eq server en-us
515 $secondaryMatch = $secondaryLanguages{$1};
516 } elsif ($tag->{lclanguage} =~ /^([^-]+)-/ && exists($secondaryLanguages{$1}) && $secondaryMatch eq '') {
517 # FIXME: We just checked the exact same conditional!
518 # Client en-us eq server en
519 $secondaryMatch = $supportedLanguages{$1};
520 } elsif ($tag->{lclanguage} eq '*') {
521 # * matches every language not already specified.
522 # It doesn't care which we pick, so let's pick the default,
523 # if available, then the first in the array.
524 #return $acceptor->defaultLanguage() if $acceptor->defaultLanguage();
525 return $supportedLanguages->[0];
526 }
527 }
528 # No primary matches. Secondary? (ie, en-us requested and en supported)
529 return $secondaryMatch if $secondaryMatch;
530 return undef; # else, we got nothing.
531}
53218µs1;
533
534__END__
 
# spent 15µs within C4::Languages::CORE:match which was called: # once (15µs+0s) by C4::Languages::regex_lang_subtags at line 439
sub C4::Languages::CORE:match; # opcode
# spent 34µs within C4::Languages::CORE:qr which was called 17 times, avg 2µs/call: # once (5µs+0s) by C4::Languages::regex_lang_subtags at line 387 # once (4µs+0s) by C4::Languages::regex_lang_subtags at line 406 # once (3µs+0s) by C4::Languages::regex_lang_subtags at line 420 # once (3µs+0s) by C4::Languages::regex_lang_subtags at line 439 # once (2µs+0s) by C4::Languages::regex_lang_subtags at line 397 # once (2µs+0s) by C4::Languages::regex_lang_subtags at line 390 # once (2µs+0s) by C4::Languages::regex_lang_subtags at line 389 # once (2µs+0s) by C4::Languages::regex_lang_subtags at line 388 # once (2µs+0s) by C4::Languages::regex_lang_subtags at line 403 # once (1µs+0s) by C4::Languages::regex_lang_subtags at line 408 # once (1µs+0s) by C4::Languages::regex_lang_subtags at line 411 # once (1µs+0s) by C4::Languages::regex_lang_subtags at line 391 # once (1µs+0s) by C4::Languages::regex_lang_subtags at line 401 # once (1µs+0s) by C4::Languages::regex_lang_subtags at line 392 # once (1µs+0s) by C4::Languages::regex_lang_subtags at line 409 # once (1µs+0s) by C4::Languages::regex_lang_subtags at line 398 # once (1µs+0s) by C4::Languages::regex_lang_subtags at line 405
sub C4::Languages::CORE:qr; # opcode
# spent 267µs within C4::Languages::CORE:regcomp which was called 12 times, avg 22µs/call: # 2 times (79µs+0s) by C4::Languages::regex_lang_subtags at line 439, avg 40µs/call # once (70µs+0s) by C4::Languages::regex_lang_subtags at line 420 # once (20µs+0s) by C4::Languages::regex_lang_subtags at line 397 # once (18µs+0s) by C4::Languages::regex_lang_subtags at line 403 # once (16µs+0s) by C4::Languages::regex_lang_subtags at line 406 # once (15µs+0s) by C4::Languages::regex_lang_subtags at line 409 # once (13µs+0s) by C4::Languages::regex_lang_subtags at line 398 # once (11µs+0s) by C4::Languages::regex_lang_subtags at line 411 # once (10µs+0s) by C4::Languages::regex_lang_subtags at line 408 # once (10µs+0s) by C4::Languages::regex_lang_subtags at line 405 # once (5µs+0s) by C4::Languages::regex_lang_subtags at line 401
sub C4::Languages::CORE:regcomp; # opcode
Report produced by the NYTProf 4.04 Perl profiler, developed by Tim Bunce and Adam Kaplan.