version 1.42, 2007/10/18 21:08:31
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version 1.61, 2010/07/07 16:30:48
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Line 165 use Apache::localize;
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Line 165 use Apache::localize;
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use locale; |
use locale; |
use POSIX qw(locale_h strftime); |
use POSIX qw(locale_h strftime); |
use DateTime(); |
use DateTime(); |
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use DateTime::TimeZone; |
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use DateTime::Locale; |
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require Exporter; |
require Exporter; |
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our @ISA = qw (Exporter); |
our @ISA = qw (Exporter); |
our @EXPORT = qw(mt mtn ns); |
our @EXPORT = qw(mt mtn ns mt_user); |
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my %mtcache=(); |
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# ========================================================= The language handle |
# ========================================================= The language handle |
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use vars qw($lh); |
use vars qw($lh $current_language); |
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# ===================================================== The "MakeText" function |
# ===================================================== The "MakeText" function |
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Line 182 sub mt (@) {
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Line 186 sub mt (@) {
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# print LOG (@_[0]."\n"); |
# print LOG (@_[0]."\n"); |
# close(LOG); |
# close(LOG); |
if ($lh) { |
if ($lh) { |
return $lh->maketext(@_); |
if ($_[0] eq '') { |
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if (wantarray) { |
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return @_; |
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} else { |
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return $_[0]; |
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} |
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} else { |
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if ($#_>0) { return $lh->maketext(@_); } |
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if ($mtcache{$current_language.':'.$_[0]}) { |
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return $mtcache{$current_language.':'.$_[0]}; |
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} |
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my $translation=$lh->maketext(@_); |
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$mtcache{$current_language.':'.$_[0]}=$translation; |
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return $translation; |
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} |
} else { |
} else { |
if (wantarray) { |
if (wantarray) { |
return @_; |
return @_; |
Line 192 sub mt (@) {
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Line 210 sub mt (@) {
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} |
} |
} |
} |
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sub mt_user { |
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my ($user_lh,@what) = @_; |
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if ($user_lh) { |
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if ($what[0] eq '') { |
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if (wantarray) { |
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return @what; |
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} else { |
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return $what[0]; |
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} |
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} else { |
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return $user_lh->maketext(@what); |
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} |
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} else { |
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if (wantarray) { |
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return @what; |
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} else { |
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return $what[0]; |
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} |
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} |
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} |
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# ============================================================== What language? |
# ============================================================== What language? |
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sub current_language { |
sub current_language { |
Line 202 sub current_language {
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Line 241 sub current_language {
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return 'en'; |
return 'en'; |
} |
} |
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sub preferred_languages { |
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my @languages=(); |
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if (($Apache::lonnet::env{'request.role.adv'}) && ($Apache::lonnet::env{'form.languages'})) { |
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@languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$Apache::lonnet::env{'form.languages'})); |
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} |
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if ($Apache::lonnet::env{'course.'.$Apache::lonnet::env{'request.course.id'}.'.languages'}) { |
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@languages=(@languages,split(/\s*(\,|\;|\:)\s*/, |
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$Apache::lonnet::env{'course.'.$Apache::lonnet::env{'request.course.id'}.'.languages'})); |
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} |
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if ($Apache::lonnet::env{'environment.languages'}) { |
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@languages=(@languages, |
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split(/\s*(\,|\;|\:)\s*/,$Apache::lonnet::env{'environment.languages'})); |
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} |
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my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'}; |
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if ($browser) { |
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my @browser = |
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map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser)); |
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push(@languages,@browser); |
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} |
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my $defdom = &Apache::lonnet::default_login_domain(); |
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foreach my $domtype ($Apache::lonnet::env{'user.domain'},$Apache::lonnet::env{'request.role.domain'},$defdom) { |
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if ($domtype ne '') { |
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my %domdefs = &Apache::lonnet::get_domain_defaults($domtype); |
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if ($domdefs{'lang_def'} ne '') { |
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push(@languages,$domdefs{'lang_def'}); |
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} |
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} |
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} |
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return &get_genlanguages(@languages); |
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} |
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sub get_genlanguages { |
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my (@languages) = @_; |
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# turn "en-ca" into "en-ca,en" |
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my @genlanguages; |
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foreach my $lang (@languages) { |
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unless ($lang=~/\w/) { next; } |
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push(@genlanguages,$lang); |
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if ($lang=~/(\-|\_)/) { |
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push(@genlanguages,(split(/(\-|\_)/,$lang))[0]); |
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} |
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} |
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#uniqueify the languages list |
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my %count; |
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@genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages; |
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return @genlanguages; |
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} |
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# ============================================================== What encoding? |
# ============================================================== What encoding? |
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sub current_encoding { |
sub current_encoding { |
my $default='UTF-8'; |
my $default='UTF-8'; |
if ($Apache::lonnet::env{'browser.os'} eq 'win' && |
unless ($Apache::lonnet::env{'browser.unicode'}) { |
$Apache::lonnet::env{'browser.type'} eq 'explorer') { |
if ($Apache::lonnet::env{'browser.os'} eq 'win' && |
$default='ISO-8859-1'; |
$Apache::lonnet::env{'browser.type'} eq 'explorer') { |
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$default='ISO-8859-1'; |
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} |
} |
} |
if ($lh) { |
if ($lh) { |
my $enc=$lh->maketext('char_encoding'); |
my $enc=$lh->maketext('char_encoding'); |
Line 248 sub get_language_handle {
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Line 339 sub get_language_handle {
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my $headers=$r->headers_in; |
my $headers=$r->headers_in; |
$ENV{'HTTP_ACCEPT_LANGUAGE'}=$headers->{'Accept-language'}; |
$ENV{'HTTP_ACCEPT_LANGUAGE'}=$headers->{'Accept-language'}; |
} |
} |
my @languages=&Apache::loncommon::preferred_languages; |
my @languages=&preferred_languages(); |
$ENV{'HTTP_ACCEPT_LANGUAGE'}=''; |
$ENV{'HTTP_ACCEPT_LANGUAGE'}=''; |
$lh=Apache::localize->get_handle(@languages); |
$lh=Apache::localize->get_handle(@languages); |
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$current_language=¤t_language(); |
if ($r) { |
if ($r) { |
$r->content_languages([¤t_language()]); |
$r->content_languages([¤t_language()]); |
} |
} |
Line 259 sub get_language_handle {
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Line 351 sub get_language_handle {
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# ========================================================== Localize localtime |
# ========================================================== Localize localtime |
sub gettimezone { |
sub gettimezone { |
my ($time) = @_; |
my ($timezone) = @_; |
if ($Apache::lonnet::env{'course.'.$Apache::lonnet::env{'request.course.id'}.'.timezone'}) { |
if ($timezone ne '') { |
return $Apache::lonnet::env{'course.'.$Apache::lonnet::env{'request.course.id'}.'.timezone'}; |
if (!DateTime::TimeZone->is_valid_name($timezone)) { |
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$timezone = 'local'; |
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} |
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return $timezone; |
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} |
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my $cid = $Apache::lonnet::env{'request.course.id'}; |
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if ($cid ne '') { |
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if ($Apache::lonnet::env{'course.'.$cid.'.timezone'}) { |
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$timezone = $Apache::lonnet::env{'course.'.$cid.'.timezone'}; |
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} else { |
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my $cdom = $Apache::lonnet::env{'course.'.$cid.'.domain'}; |
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if ($cdom ne '') { |
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my %domdefaults = &Apache::lonnet::get_domain_defaults($cdom); |
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if ($domdefaults{'timezone_def'} ne '') { |
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$timezone = $domdefaults{'timezone_def'}; |
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} |
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} |
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} |
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} elsif ($Apache::lonnet::env{'request.role.domain'} ne '') { |
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my %uroledomdefs = |
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&Apache::lonnet::get_domain_defaults($Apache::lonnet::env{'request.role.domain'}); |
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if ($uroledomdefs{'timezone_def'} ne '') { |
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$timezone = $uroledomdefs{'timezone_def'}; |
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} |
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} elsif ($Apache::lonnet::env{'user.domain'} ne '') { |
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my %udomdefaults = |
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&Apache::lonnet::get_domain_defaults($Apache::lonnet::env{'user.domain'}); |
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if ($udomdefaults{'timezone_def'} ne '') { |
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$timezone = $udomdefaults{'timezone_def'}; |
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} |
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} |
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if ($timezone ne '') { |
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if (DateTime::TimeZone->is_valid_name($timezone)) { |
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return $timezone; |
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} |
} |
} |
return 'local'; |
return 'local'; |
} |
} |
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sub locallocaltime { |
sub locallocaltime { |
my $thistime=shift; |
my ($thistime,$timezone) = @_; |
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if (!defined($thistime) || $thistime eq '') { |
if (!defined($thistime) || $thistime eq '') { |
return &mt('Never'); |
return &mt('Never'); |
} |
} |
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if (($thistime < 0) || ($thistime eq 'NaN')) { |
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&Apache::lonnet::logthis("Unexpected time (negative or NaN) '$thistime' passed to lonlocal::locallocaltime"); |
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return &mt('Never'); |
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} |
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if ($thistime !~ /^\d+$/) { |
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&Apache::lonnet::logthis("Unexpected non-numeric time '$thistime' passed to lonlocal::locallocaltime"); |
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return &mt('Never'); |
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} |
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my $dt = DateTime->from_epoch(epoch => $thistime) |
my $dt = DateTime->from_epoch(epoch => $thistime) |
->set_time_zone(&gettimezone()); |
->set_time_zone(gettimezone($timezone)); |
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# TimeZone tries to determine the 'local' timezone from $ENV{TZ} if this |
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# fails it searches through various system files. Under certain |
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# circumstances this is an extremly expensive operation. |
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# So after the first run we store the timezone in $ENV{TZ} to significantly |
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# speed up future lookups. |
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$ENV{TZ} = $dt->time_zone()->name() |
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if (! $ENV{TZ} && gettimezone($timezone) eq 'local'); |
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if ((¤t_language=~/^en/) || (!$lh)) { |
if ((¤t_language=~/^en/) || (!$lh)) { |
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return $dt->strftime("%a %b %e %I:%M:%S %P %Y (%Z)"); |
return $dt->strftime("%a %b %e %I:%M:%S %P %Y (%Z)"); |
Line 289 sub locallocaltime {
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Line 433 sub locallocaltime {
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my $day = $dt->day_of_month(); |
my $day = $dt->day_of_month(); |
my $mon = $dt->month()-1; |
my $mon = $dt->month()-1; |
my $year = $dt->year(); |
my $year = $dt->year(); |
my $wday = $dt->wday()-1; |
my $wday = $dt->wday(); |
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if ($wday==7) { $wday=0; } |
my $month =(split(/\,/,$lh->maketext('date_months')))[$mon]; |
my $month =(split(/\,/,$lh->maketext('date_months')))[$mon]; |
my $weekday=(split(/\,/,$lh->maketext('date_days')))[$wday]; |
my $weekday=(split(/\,/,$lh->maketext('date_days')))[$wday]; |
if ($seconds<10) { |
if ($seconds<10) { |
Line 314 sub locallocaltime {
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Line 459 sub locallocaltime {
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} |
} |
} |
} |
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# ==================== Normalize string (reduce fragility in the lexicon files) |
sub getdatelocale { |
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my ($datelocale,$locale_obj); |
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if ($Apache::lonnet::env{'course.'.$Apache::lonnet::env{'request.course.id'}.'.datelocale'}) { |
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$datelocale = $Apache::lonnet::env{'course.'.$Apache::lonnet::env{'request.course.id'}.'.datelocale'}; |
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} elsif ($Apache::lonnet::env{'request.course.id'} ne '') { |
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my $cdom = $Apache::lonnet::env{'course.'.$Apache::lonnet::env{'request.course.id'}.'.domain'}; |
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if ($cdom ne '') { |
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my %domdefaults = &Apache::lonnet::get_domain_defaults($cdom); |
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if ($domdefaults{'datelocale_def'} ne '') { |
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$datelocale = $domdefaults{'datelocale_def'}; |
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} |
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} |
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} elsif ($Apache::lonnet::env{'user.domain'} ne '') { |
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my %udomdefaults = &Apache::lonnet::get_domain_defaults($Apache::lonnet::env{'user.domain'}); |
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if ($udomdefaults{'datelocale_def'} ne '') { |
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$datelocale = $udomdefaults{'datelocale_def'}; |
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} |
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} |
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if ($datelocale ne '') { |
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eval { |
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$locale_obj = DateTime::Locale->load($datelocale); |
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}; |
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if (!$@) { |
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if ($locale_obj->id() eq $datelocale) { |
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return $locale_obj; |
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} |
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} |
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} |
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return $locale_obj; |
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} |
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=pod |
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=item * normalize_string |
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Normalize string (reduce fragility in the lexicon files) |
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This normalizes a string to reduce fragility in the lexicon files of |
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huge messages (such as are used by the helper), and allow useful |
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formatting: reduce all consecutive whitespace to a single space, |
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and remove all HTML |
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=cut |
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# This normalizes a string to reduce fragility in the lexicon files of |
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# huge messages (such as are used by the helper), and allow useful |
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# formatting: reduce all consecutive whitespace to a single space, |
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# and remove all HTML |
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sub normalize_string { |
sub normalize_string { |
my $s = shift; |
my $s = shift; |
$s =~ s/\s+/ /g; |
$s =~ s/\s+/ /g; |
Line 330 sub normalize_string {
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Line 513 sub normalize_string {
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return $s; |
return $s; |
} |
} |
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# alias for normalize_string; recommend using it only in the lexicon |
=pod |
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=item * ns |
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alias for normalize_string; recommend using it only in the lexicon |
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=cut |
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sub ns { |
sub ns { |
return normalize_string(@_); |
return normalize_string(@_); |
} |
} |
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# mtn: call the mt function and the normalization function easily. |
=pod |
# Returns original non-normalized string if there was no translation |
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=item * mtn |
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mtn: call the mt function and the normalization function easily. |
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Returns original non-normalized string if there was no translation |
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=cut |
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sub mtn (@) { |
sub mtn (@) { |
my @args = @_; # don't want to modify caller's string; if we |
my @args = @_; # don't want to modify caller's string; if we |
# didn't care about that we could set $_[0] |
# didn't care about that we could set $_[0] |