X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=C4%2FLanguages.pm;h=a082b1f8b5a629ae697bc381f58b66cfeb3d1558;hb=d32a8c21b48d2799db84b782447e99767395adb5;hp=c73bd38c71b59dfa73b776f88d00b93e44ec83f9;hpb=6072ccc28e84f14ff2eec5a0926e35d3c9b0178d;p=koha.git diff --git a/C4/Languages.pm b/C4/Languages.pm index c73bd38c71..a082b1f8b5 100644 --- a/C4/Languages.pm +++ b/C4/Languages.pm @@ -19,10 +19,24 @@ package C4::Languages; # Suite 330, Boston, MA 02111-1307 USA -use strict; use warnings; #FIXME: turn off warnings before release -require Exporter; +use strict; +#use warnings; #FIXME: turn off warnings before release +use Carp; use C4::Context; -use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); +use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $DEBUG); + +BEGIN { + $VERSION = 3.00; + require Exporter; + @ISA = qw(Exporter); + @EXPORT = qw( + &getFrameworkLanguages + &getTranslatedLanguages + &getAllLanguages + ); + @EXPORT_OK = qw(getFrameworkLanguages getTranslatedLanguages getAllLanguages get_bidi regex_lang_subtags language_get_description accept_language); + $DEBUG = 0; +} =head1 NAME @@ -36,12 +50,6 @@ use C4::Languages; =head1 FUNCTIONS -=cut -$VERSION = 3.00; -@ISA = qw(Exporter); -@EXPORT_OK = qw(getFrameworkLanguages getTranslatedLanguages getAllLanguages get_bidi regex_lang_subtags language_get_description); -my $DEBUG = 0; - =head2 getFrameworkLanguages Returns a reference to an array of hashes: @@ -72,9 +80,9 @@ sub getFrameworkLanguages { if ($dirname eq $language_set->{language_code}) { push @languages, { - 'language_code'=>$dirname, - 'language_description'=>$language_set->{language_description}, - 'language_native_descrition'=>$language_set->{language_native_description} } + 'language_code'=>$dirname, + 'language_description'=>$language_set->{language_description}, + 'native_descrition'=>$language_set->{language_native_description} } } } } @@ -86,7 +94,7 @@ sub getFrameworkLanguages { Returns a reference to an array of hashes: my $languages = getTranslatedLanguages(); - print "Available translated langauges:\n"; + print "Available translated languages:\n"; for my $language(@$trlanguages) { print "$language->{language_code}\n"; # language code in iso 639-2 print "$language->{language_name}\n"; # language name in native script @@ -96,39 +104,38 @@ Returns a reference to an array of hashes: =cut sub getTranslatedLanguages { - my ($interface, $theme) = @_; + my ($interface, $theme, $current_language, $which) = @_; my $htdocs; my $all_languages = getAllLanguages(); my @languages; - my $lang; - + my @enabled_languages; + if ($interface && $interface eq 'opac' ) { + @enabled_languages = split ",", C4::Context->preference('opaclanguages'); $htdocs = C4::Context->config('opachtdocs'); if ( $theme and -d "$htdocs/$theme" ) { (@languages) = _get_language_dirs($htdocs,$theme); - return _build_languages_arrayref($all_languages,@languages); } else { for my $theme ( _get_themes('opac') ) { push @languages, _get_language_dirs($htdocs,$theme); } - return _build_languages_arrayref($all_languages,@languages); } } elsif ($interface && $interface eq 'intranet' ) { + @enabled_languages = split ",", C4::Context->preference('language'); $htdocs = C4::Context->config('intrahtdocs'); if ( $theme and -d "$htdocs/$theme" ) { @languages = _get_language_dirs($htdocs,$theme); - return _build_languages_arrayref($all_languages,@languages); } else { - foreach my $theme ( _get_themes('opac') ) { + foreach my $theme ( _get_themes('intranet') ) { push @languages, _get_language_dirs($htdocs,$theme); } - return _build_languages_arrayref($all_languages,@languages); } } else { + @enabled_languages = split ",", C4::Context->preference('opaclanguages'); my $htdocs = C4::Context->config('intrahtdocs'); foreach my $theme ( _get_themes('intranet') ) { push @languages, _get_language_dirs($htdocs,$theme); @@ -137,8 +144,11 @@ sub getTranslatedLanguages { foreach my $theme ( _get_themes('opac') ) { push @languages, _get_language_dirs($htdocs,$theme); } - return _build_languages_arrayref($all_languages,@languages); + my %seen; + $seen{$_}++ for @languages; + @languages = keys %seen; } + return _build_languages_arrayref($all_languages,\@languages,$current_language,\@enabled_languages); } =head2 getAllLanguages @@ -146,7 +156,7 @@ sub getTranslatedLanguages { Returns a reference to an array of hashes: my $alllanguages = getAllLanguages(); - print "Available translated langauges:\n"; + print "Available translated languages:\n"; for my $language(@$alllanguages) { print "$language->{language_code}\n"; print "$language->{language_name}\n"; @@ -156,35 +166,40 @@ Returns a reference to an array of hashes: =cut sub getAllLanguages { - my @languages_loop; - my $dbh=C4::Context->dbh; - my $current_language = 'en'; - my $sth = $dbh->prepare('SELECT * FROM language_subtag_registry WHERE type=\'language\''); - $sth->execute(); - while (my $language_subtag_registry = $sth->fetchrow_hashref) { - - # pull out all the script descriptions for each language - my $sth2= $dbh->prepare('SELECT * FROM language_descriptions WHERE type=\'language\' AND subtag =?'); - $sth2->execute($language_subtag_registry->{subtag}); - - # add the correct description info - while (my $language_descriptions = $sth2->fetchrow_hashref) { - - # Insert the language description using the current language script - #if ( $language_subtag_registry->{subtag} - if ( $current_language eq $language_descriptions->{lang} ) { - $language_subtag_registry->{language_description} = $language_descriptions->{description}; - #warn "CUR:".$language_subtag_registry->{description}; - } - - # Insert the language name using the script native to the language (FIXME: should really be based on script) - if ($language_subtag_registry->{subtag} eq $language_descriptions->{lang}) { - $language_subtag_registry->{language_native_description} = $language_descriptions->{description}; - #warn "NAT: Desc:$language_descriptions->{description} SubtagDesc: $language_subtag_registry->{language_description}"; - } - } - push @languages_loop, $language_subtag_registry; - } + my @languages_loop; + my $dbh=C4::Context->dbh; + my $current_language = shift || 'en'; + my $sth = $dbh->prepare('SELECT * FROM language_subtag_registry WHERE type=\'language\''); + $sth->execute(); + while (my $language_subtag_registry = $sth->fetchrow_hashref) { + + # pull out all the script descriptions for each language + 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 = ?"); + $sth2->execute($language_subtag_registry->{subtag},$current_language); + + my $sth3 = $dbh->prepare("SELECT description FROM language_descriptions WHERE type='language' AND subtag=? AND lang=?"); + + # add the correct description info + while (my $language_descriptions = $sth2->fetchrow_hashref) { + $sth3->execute($language_subtag_registry->{subtag},$language_subtag_registry->{subtag}); + my $native_description; + while (my $description = $sth3->fetchrow_hashref) { + $native_description = $description->{description}; + } + + # fill in the ISO6329 code + $language_subtag_registry->{iso639_2_code} = $language_descriptions->{iso639_2_code}; + # fill in the native description of the language, as well as the current language's translation of that if it exists + if ($native_description) { + $language_subtag_registry->{language_description} = $native_description; + $language_subtag_registry->{language_description}.=" ($language_descriptions->{description})" if $language_descriptions->{description}; + } + else { + $language_subtag_registry->{language_description} = $language_descriptions->{description}; + } + } + push @languages_loop, $language_subtag_registry; + } return \@languages_loop; } @@ -224,19 +239,19 @@ Internal function, returns an array of directory names, excluding non-language d sub _get_language_dirs { my ($htdocs,$theme) = @_; - my @languages; + my @lang_strings; opendir D, "$htdocs/$theme"; - for my $language ( readdir D ) { - next if $language =~/^\./; - next if $language eq 'all'; - next if $language =~/png$/; - next if $language =~/css$/; - next if $language =~/CVS$/; - next if $language =~/\.txt$/i; #Don't read the readme.txt ! - next if $language =~/img/; - push @languages, $language; + for my $lang_string ( readdir D ) { + next if $lang_string =~/^\./; + next if $lang_string eq 'all'; + next if $lang_string =~/png$/; + next if $lang_string =~/css$/; + next if $lang_string =~/CVS$/; + next if $lang_string =~/\.txt$/i; #Don't read the readme.txt ! + next if $lang_string =~/img|images|famfam/; + push @lang_strings, $lang_string; } - return (@languages); + return (@lang_strings); } =head2 _build_languages_arrayref @@ -248,50 +263,78 @@ FIXME: this could be rewritten and simplified using map =cut sub _build_languages_arrayref { - my ($all_languages,@languages) = @_; - my @final_languages; - my %seen_languages; - my %found_languages; - # Loop through the languages, pick the ones that are translated - for my $language (@languages) { - - # separate the language string into its subtag types - my $language_subtags_hashref = regex_lang_subtags($language); - unless ($seen_languages{$language}) { - for my $language_code (@$all_languages) { - if ($language_subtags_hashref->{language} eq $language_code->{'subtag'}) { - $language_code->{'language'} = $language; - $language_code->{'language_script'} = $language_subtags_hashref->{'script'}; - $language_code->{'language_region'} = $language_subtags_hashref->{'region'}; - $language_code->{'language_variant'} = $language_subtags_hashref->{'variant'}; - push @final_languages, $language_code; - $found_languages{$language}++; - } - } - $seen_languages{$language}++; - - # Handle languages not in our database with their code - unless ($found_languages{$language}) { - my $language_code; - $language_code->{'language'} = $language; - $language_code->{'language_code'} = $language; - push @final_languages, $language_code; - } + my ($all_languages,$translated_languages,$current_language,$enabled_languages) = @_; + my @translated_languages = @$translated_languages; + my @languages_loop; # the final reference to an array of hashrefs + my @enabled_languages = @$enabled_languages; + # how many languages are enabled, if one, take note, some contexts won't need to display it + my %seen_languages; # the language tags we've seen + my %found_languages; + my $language_groups; + my $track_language_groups; + my $current_language_regex = regex_lang_subtags($current_language); + # Loop through the translated languages + for my $translated_language (@translated_languages) { + # separate the language string into its subtag types + my $language_subtags_hashref = regex_lang_subtags($translated_language); + + # is this language string 'enabled'? + for my $enabled_language (@enabled_languages) { + #warn "Checking out if $translated_language eq $enabled_language"; + $language_subtags_hashref->{'enabled'} = 1 if $translated_language eq $enabled_language; + } + + # group this language, key by langtag + $language_subtags_hashref->{'sublanguage_current'} = 1 if $translated_language eq $current_language; + $language_subtags_hashref->{'rfc4646_subtag'} = $translated_language; + $language_subtags_hashref->{'native_description'} = language_get_description($language_subtags_hashref->{language},$language_subtags_hashref->{language},'language'); + $language_subtags_hashref->{'script_description'} = language_get_description($language_subtags_hashref->{script},$language_subtags_hashref->{'language'},'script'); + $language_subtags_hashref->{'region_description'} = language_get_description($language_subtags_hashref->{region},$language_subtags_hashref->{'language'},'region'); + $language_subtags_hashref->{'variant_description'} = language_get_description($language_subtags_hashref->{variant},$language_subtags_hashref->{'language'},'variant'); + $track_language_groups->{$language_subtags_hashref->{'language'}}++; + push ( @{ $language_groups->{$language_subtags_hashref->{language}} }, $language_subtags_hashref ); + } + # $key is a language subtag like 'en' + while( my ($key, $value) = each %$language_groups) { + + # is this language group enabled? are any of the languages within it enabled? + my $enabled; + for my $enabled_language (@enabled_languages) { + my $regex_enabled_language = regex_lang_subtags($enabled_language); + $enabled = 1 if $key eq $regex_enabled_language->{language}; } + push @languages_loop, { + # this is only use if there is one + rfc4646_subtag => @$value[0]->{rfc4646_subtag}, + native_description => language_get_description($key,$key,'language'), + language => $key, + sublanguages_loop => $value, + plural => $track_language_groups->{$key} >1 ? 1 : 0, + current => $current_language_regex->{language} eq $key ? 1 : 0, + group_enabled => $enabled, + }; } - return \@final_languages; + return \@languages_loop; } sub language_get_description { - my ($script,$lang) = @_; - my $dbh = C4::Context->dbh; - my $desc; - my $sth = $dbh->prepare('SELECT description FROM language_descriptions WHERE subtag=? AND lang=?'); - $sth->execute($script,$lang); - while (my $descriptions = $sth->fetchrow_hashref) { - $desc = $descriptions->{'description'}; - } - return $desc; + my ($script,$lang,$type) = @_; + my $dbh = C4::Context->dbh; + my $desc; + my $sth = $dbh->prepare("SELECT description FROM language_descriptions WHERE subtag=? AND lang=? AND type=?"); + #warn "QUERY: SELECT description FROM language_descriptions WHERE subtag=$script AND lang=$lang AND type=$type"; + $sth->execute($script,$lang,$type); + while (my $descriptions = $sth->fetchrow_hashref) { + $desc = $descriptions->{'description'}; + } + unless ($desc) { + $sth = $dbh->prepare("SELECT description FROM language_descriptions WHERE subtag=? AND lang=? AND type=?"); + $sth->execute($script,'en',$type); + while (my $descriptions = $sth->fetchrow_hashref) { + $desc = $descriptions->{'description'}; + } + } + return $desc; } =head2 regex_lang_subtags @@ -365,8 +408,9 @@ sub regex_lang_subtags { #my $root = qr{(?: ($language) (?: $s ($script) )? 40% (?: $s ($region) )? 40% (?: $s ($variant) )? 10% (?: $s ($extension) )? 5% (?: $s ($privateuse) )? 5% ) 90% | ($grandfathered) 5% | ($privateuse) 5% }; - $string =~ qr{^ (?:($language)) (?:$s($script))? (?:$s($region))? (?:$s($variant))? (?:$s($extension))? (?:$s($privateuse))? $}xi; # |($grandfathered) | ($privateuse) $}xi; - my %subtag = ( + $string =~ qr{^ (?:($language)) (?:$s($script))? (?:$s($region))? (?:$s($variant))? (?:$s($extension))? (?:$s($privateuse))? $}xi; # |($grandfathered) | ($privateuse) $}xi; + my %subtag = ( + 'rfc4646_subtag' => $string, 'language' => $1, 'script' => $2, 'region' => $3, @@ -380,17 +424,84 @@ sub regex_lang_subtags { # Script Direction Resources: # http://www.w3.org/International/questions/qa-scripts sub get_bidi { - my ($language_script)= @_; - my $dbh = C4::Context->dbh; - my $bidi; - my $sth = $dbh->prepare('SELECT bidi FROM language_bidi WHERE rfc4646_subtag=?'); - $sth->execute($language_script); - while (my $result = $sth->fetchrow_hashref) { - $bidi = $result->{'bidi'}; - } - return $bidi; + my ($language_script)= @_; + my $dbh = C4::Context->dbh; + my $bidi; + my $sth = $dbh->prepare('SELECT bidi FROM language_script_bidi WHERE rfc4646_subtag=?'); + $sth->execute($language_script); + while (my $result = $sth->fetchrow_hashref) { + $bidi = $result->{'bidi'}; + } + return $bidi; }; +sub accept_language { + # referenced http://search.cpan.org/src/CGILMORE/I18N-AcceptLanguage-1.04/lib/I18N/AcceptLanguage.pm + # FIXME: since this is only used in Output.pm as of Jan 8 2008, maybe it should be IN Output.pm + my ($clientPreferences,$supportedLanguages) = @_; + my @languages = (); + if ($clientPreferences) { + # There should be no whitespace anways, but a cleanliness/sanity check + $clientPreferences =~ s/\s//g; + # Prepare the list of client-acceptable languages + foreach my $tag (split(/,/, $clientPreferences)) { + my ($language, $quality) = split(/\;/, $tag); + $quality =~ s/^q=//i if $quality; + $quality = 1 unless $quality; + next if $quality <= 0; + # We want to force the wildcard to be last + $quality = 0 if ($language eq '*'); + # Pushing lowercase language here saves processing later + push(@languages, { quality => $quality, + language => $language, + lclanguage => lc($language) }); + } + } else { + carp "accept_language(x,y) called with no clientPreferences (x)."; + } + # Prepare the list of server-supported languages + my %supportedLanguages = (); + my %secondaryLanguages = (); + foreach my $language (@$supportedLanguages) { + # warn "Language supported: " . $language->{language}; + my $subtag = $language->{rfc4646_subtag}; + $supportedLanguages{lc($subtag)} = $subtag; + if ( $subtag =~ /^([^-]+)-?/ ) { + $secondaryLanguages{lc($1)} = $subtag; + } + } + + # Reverse sort the list, making best quality at the front of the array + @languages = sort { $b->{quality} <=> $a->{quality} } @languages; + my $secondaryMatch = ''; + foreach my $tag (@languages) { + if (exists($supportedLanguages{$tag->{lclanguage}})) { + # Client en-us eq server en-us + return $supportedLanguages{$tag->{language}} if exists($supportedLanguages{$tag->{language}}); + return $supportedLanguages{$tag->{lclanguage}}; + } elsif (exists($secondaryLanguages{$tag->{lclanguage}})) { + # Client en eq server en-us + return $secondaryLanguages{$tag->{language}} if exists($secondaryLanguages{$tag->{language}}); + return $supportedLanguages{$tag->{lclanguage}}; + } elsif ($tag->{lclanguage} =~ /^([^-]+)-/ && exists($secondaryLanguages{$1}) && $secondaryMatch eq '') { + # Client en-gb eq server en-us + $secondaryMatch = $secondaryLanguages{$1}; + } elsif ($tag->{lclanguage} =~ /^([^-]+)-/ && exists($secondaryLanguages{$1}) && $secondaryMatch eq '') { + # FIXME: We just checked the exact same conditional! + # Client en-us eq server en + $secondaryMatch = $supportedLanguages{$1}; + } elsif ($tag->{lclanguage} eq '*') { + # * matches every language not already specified. + # It doesn't care which we pick, so let's pick the default, + # if available, then the first in the array. + #return $acceptor->defaultLanguage() if $acceptor->defaultLanguage(); + return $supportedLanguages->[0]; + } + } + # No primary matches. Secondary? (ie, en-us requested and en supported) + return $secondaryMatch if $secondaryMatch; + return undef; # else, we got nothing. +} 1; __END__