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Diff for /loncom/localize/lonlocal.pm between versions 1.57 and 1.67

version 1.57, 2009/04/16 15:51:42 version 1.67, 2019/02/24 01:38:14
Line 38  Apache::lonlocal - provides localization Line 38  Apache::lonlocal - provides localization
   
 lonlocal provides localization services for LON-CAPA programmers based  lonlocal provides localization services for LON-CAPA programmers based
 on Locale::Maketext. See  on Locale::Maketext. See
 C<http://search.cpan.org/dist/Locale-Maketext/lib/Locale/Maketext.pod>  C<https://metacpan.org/pod/Locale::Maketext>
 for more information on Maketext.  for more information on Maketext.
   
 =head1 OVERVIEWX<internationalization>  =head1 OVERVIEWX<internationalization>
Line 81  Inside might be something like this Line 81  Inside might be something like this
      if ($status eq 'WON') {       if ($status eq 'WON') {
         $message='You have won.';          $message='You have won.';
      } elsif ($status eq 'LOST') {       } elsif ($status eq 'LOST') {
         $message='You are a total looser.';          $message='You are a total loser.';
      }       }
      return $message;       return $message;
  }   }
Line 103  The first two examples are easy: Line 103  The first two examples are easy:
      if ($status eq 'WON') {       if ($status eq 'WON') {
         $message='You have won.';          $message='You have won.';
      } elsif ($status eq 'LOST') {       } elsif ($status eq 'LOST') {
         $message='You are a total looser.';          $message='You are a total loser.';
      }       }
      return &mt($message);       return &mt($message);
  }   }
Line 135  like this: Line 135  like this:
     'You have won.'      'You have won.'
  => 'Sie haben gewonnen.',   => 'Sie haben gewonnen.',
   
     'You are a total looser.'      'You are a total loser.'
  => 'Sie sind der totale Verlierer.',   => 'Sie sind der totale Verlierer.',
   
     'Rules'      'Rules'
Line 153  ignore the rest of the line. Line 153  ignore the rest of the line.
 This is a relatively easy task, and any help is appreciated.  This is a relatively easy task, and any help is appreciated.
   
 Maketext can do a whole lot more, see  Maketext can do a whole lot more, see
 C<http://search.cpan.org/dist/Locale-Maketext/lib/Locale/Maketext.pod>  C<https://metacpan.org/pod/Locale::Maketext>
 but for most purposes, we do not have to mess with that.  but for most purposes, we do not have to mess with that.
   
 =cut  =cut
Line 171  use DateTime::Locale; Line 171  use DateTime::Locale;
 require Exporter;  require Exporter;
   
 our @ISA = qw (Exporter);  our @ISA = qw (Exporter);
 our @EXPORT = qw(mt mtn ns mt_user);  our @EXPORT = qw(mt mtn ns mt_user js_escape html_escape);
   
 my %mtcache=();  my %mtcache=();
   
Line 262  sub preferred_languages { Line 262  sub preferred_languages {
         push(@languages,@browser);          push(@languages,@browser);
     }      }
   
     foreach my $domtype ($Apache::lonnet::env{'user.domain'},$Apache::lonnet::env{'request.role.domain'},      my $defdom = &Apache::lonnet::default_login_domain();
                          $Apache::lonnet::perlvar{'lonDefDomain'}) {      foreach my $domtype ($Apache::lonnet::env{'user.domain'},$Apache::lonnet::env{'request.role.domain'},$defdom) {
         if ($domtype ne '') {          if (($domtype ne '') && ($domtype ne 'public')) {
             my %domdefs = &Apache::lonnet::get_domain_defaults($domtype);              my %domdefs = &Apache::lonnet::get_domain_defaults($domtype);
             if ($domdefs{'lang_def'} ne '') {              if ($domdefs{'lang_def'} ne '') {
                 push(@languages,$domdefs{'lang_def'});                  push(@languages,$domdefs{'lang_def'});
Line 295  sub get_genlanguages { Line 295  sub get_genlanguages {
   
 sub current_encoding {  sub current_encoding {
     my $default='UTF-8';      my $default='UTF-8';
 # UTF-8 character encoding needed for the whole LON-CAPA system      unless ($Apache::lonnet::env{'browser.unicode'}) {
 # (interface language and homework problem content)          if ($Apache::lonnet::env{'browser.os'} eq 'win' && 
 # See Bugzilla 5702 vs. 2189 and 4067      $Apache::lonnet::env{'browser.type'} eq 'explorer') {
 #    if ($Apache::lonnet::env{'browser.os'} eq 'win' &&               $default='ISO-8859-1';
 # $Apache::lonnet::env{'browser.type'} eq 'explorer') {          }
 #        $default='ISO-8859-1';      }
 #    }  
     if ($lh) {      if ($lh) {
  my $enc=$lh->maketext('char_encoding');   my $enc=$lh->maketext('char_encoding');
  return ($enc eq 'char_encoding'?$default:$enc);   return ($enc eq 'char_encoding'?$default:$enc);
Line 326  sub current_locale { Line 325  sub current_locale {
   
 sub texthash {  sub texthash {
     my %hash=@_;      my %hash=@_;
     foreach (keys %hash) {      foreach (keys(%hash)) {
  $hash{$_}=&mt($hash{$_});   $hash{$_}=&mt($hash{$_});
     }      }
     return %hash;      return %hash;
Line 335  sub texthash { Line 334  sub texthash {
 # ========= Get a handle (do not invoke in vain, leave this to access handlers)  # ========= Get a handle (do not invoke in vain, leave this to access handlers)
   
 sub get_language_handle {  sub get_language_handle {
     my $r=shift;      my ($r,$chosen) = @_;
     if ($r) {      if ($r) {
  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=&preferred_languages();      my @languages;
       if ($chosen ne '') {
           @languages=($chosen);
       } else {
           @languages=&preferred_languages();
       }
     $ENV{'HTTP_ACCEPT_LANGUAGE'}='';      $ENV{'HTTP_ACCEPT_LANGUAGE'}='';
     $lh=Apache::localize->get_handle(@languages);      $lh=Apache::localize->get_handle(@languages);
     $current_language=&current_language();      $current_language=&current_language();
Line 378  sub gettimezone { Line 382  sub gettimezone {
         if ($uroledomdefs{'timezone_def'} ne '') {          if ($uroledomdefs{'timezone_def'} ne '') {
             $timezone = $uroledomdefs{'timezone_def'};              $timezone = $uroledomdefs{'timezone_def'};
         }          }
     } elsif ($Apache::lonnet::env{'user.domain'} ne '') {      } elsif (($Apache::lonnet::env{'user.domain'} ne '') && 
                ($Apache::lonnet::env{'user.domain'} ne 'public')) {
         my %udomdefaults =           my %udomdefaults = 
             &Apache::lonnet::get_domain_defaults($Apache::lonnet::env{'user.domain'});              &Apache::lonnet::get_domain_defaults($Apache::lonnet::env{'user.domain'});
         if ($udomdefaults{'timezone_def'} ne '') {          if ($udomdefaults{'timezone_def'} ne '') {
Line 395  sub gettimezone { Line 400  sub gettimezone {
   
 sub locallocaltime {  sub locallocaltime {
     my ($thistime,$timezone) = @_;      my ($thistime,$timezone) = @_;
   
     if (!defined($thistime) || $thistime eq '') {      if (!defined($thistime) || $thistime eq '') {
  return &mt('Never');   return &mt('Never');
     }      }
Line 408  sub locallocaltime { Line 414  sub locallocaltime {
     }      }
   
     my $dt = DateTime->from_epoch(epoch => $thistime)      my $dt = DateTime->from_epoch(epoch => $thistime)
                      ->set_time_zone(&gettimezone($timezone));                       ->set_time_zone(gettimezone($timezone));
   
       # TimeZone tries to determine the 'local' timezone from $ENV{TZ} if this
       # fails it searches through various system files. Under certain
       # circumstances this is an extremly expensive operation.
       # So after the first run we store the timezone in $ENV{TZ} to significantly
       # speed up future lookups. 
       $ENV{TZ} = $dt->time_zone()->name() 
           if (! $ENV{TZ} && gettimezone($timezone) eq 'local');
   
     if ((&current_language=~/^en/) || (!$lh)) {      if ((&current_language=~/^en/) || (!$lh)) {
   
  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 481  sub getdatelocale { Line 496  sub getdatelocale {
     return $locale_obj;      return $locale_obj;
 }  }
   
 =pod   =pod
   
   =over 
   
 =item * normalize_string  =item * normalize_string()
   
 Normalize string (reduce fragility in the lexicon files)  Normalize string (reduce fragility in the lexicon files)
   
Line 506  sub normalize_string { Line 523  sub normalize_string {
   
 =pod   =pod 
   
 =item * ns  =item * ns()
   
 alias for normalize_string; recommend using it only in the lexicon  alias for normalize_string; recommend using it only in the lexicon
   
Line 518  sub ns { Line 535  sub ns {
   
 =pod  =pod
   
 =item * mtn  =item * mtn()
   
 mtn: call the mt function and the normalization function easily.  mtn: call the mt function and the normalization function easily.
 Returns original non-normalized string if there was no translation  Returns original non-normalized string if there was no translation
Line 547  sub transstatic { Line 564  sub transstatic {
   
 =pod   =pod 
   
 =item * mt_escape  =item * mt_escape()
   
 mt_escape takes a string reference and escape the [] in there so mt  mt_escape takes a string reference and escape the [] in there so mt
 will leave them as is and not try to expand them  will leave them as is and not try to expand them
Line 560  sub mt_escape { Line 577  sub mt_escape {
     $$str_ref =~s/([\[\]])/~$1/g;      $$str_ref =~s/([\[\]])/~$1/g;
 }  }
   
   =pod 
   
   =item * js_escape()
   
   js_escape takes a string, string reference or hash reference,
   and escapes the values so that they can be used within a <script> element.
   It replaces all instances of \ by \\, ' by \', " by \" and \n by \\n.
   It is typically used with localized strings, which might contain quotes.
   
   =cut
   
   sub js_escape {
       my ($v) = @_;
       my $ref = ref($v);
       if ($ref eq 'SCALAR') {
           $$v =~ s/\\/\\\\/g;
           $$v =~ s/'/\\'/g;
           $$v =~ s/"/\\"/g;
           $$v =~ s/\n/\\n/g;
       } elsif ($ref eq 'HASH') {
           foreach my $key (keys %$v) {
               $v->{$key} =~ s/\\/\\\\/g;
               $v->{$key} =~ s/'/\\'/g;
               $v->{$key} =~ s/"/\\"/g;
               $v->{$key} =~ s/\n/\\n/g;
           }
       } else {
           $v =~ s/\\/\\\\/g;
           $v =~ s/'/\\'/g;
           $v =~ s/"/\\"/g;
           $v =~ s/\n/\\n/g;
           return $v;
       }
   }
   
   =pod 
   
   =item * html_escape()
   
   js_escape takes a string, string reference or hash reference,
   and escapes the values so that they can be used as HTML.
   It encodes <, >, &, ' and ".
   
   =cut
   
   sub html_escape {
       my ($v) = @_;
       my $ref = ref($v);
       if ($ref eq 'SCALAR') {
           $$v =~ s/&/&amp;/g;
           $$v =~ s/</&lt;/g;
           $$v =~ s/>/&gt;/g;
           $$v =~ s/'/&apos;/g;
           $$v =~ s/"/&quot;/g;
       } elsif ($ref eq 'HASH') {
           foreach my $key (keys %$v) {
               $v->{$key} =~ s/&/&amp;/g;
               $v->{$key} =~ s/</&lt;/g;
               $v->{$key} =~ s/>/&gt;/g;
               $v->{$key} =~ s/'/&apos;/g;
               $v->{$key} =~ s/"/&quot;/g;
           }
       } else {
           $v =~ s/&/&amp;/g;
           $v =~ s/</&lt;/g;
           $v =~ s/>/&gt;/g;
           $v =~ s/'/&apos;/g;
           $v =~ s/"/&quot;/g;
           return $v;
       }
       # NOTE: we could also turn \n into <br> if needed
   }
   
   =pod
   
   =item * choose_language()
   
   choose_language prompts a user to enter a two letter language code via
   keyboard when running a script from the command line. Default is en.
   
   =back
   
   =cut
   
   sub choose_language {
       my %languages = (
                         ar => 'Arabic',
                         de => 'German',
                         en => 'English',
                         es => 'Spanish',
                         fa => 'Persian',
                         fr => 'French',
                         he => 'Hebrew',
                         ja => 'Japanese',
                         pt => 'Portuguese',
                         ru => 'Russian',
                         tr => 'Turkish',
                         zh => 'Chinese (Simplified)'
                      );
       my @posslangs = sort(keys(%languages));
       my $langlist = join('|',@posslangs);
       my $lang = 'en';
       print 'Language: English (en). Change? ['.$langlist.']? ';
       my $langchoice = <STDIN>;
       chomp($langchoice);
       $langchoice =~ s/(^\s+|\s+$)//g;
       $langchoice = lc($langchoice);
       if (defined($languages{$langchoice})) {
           $lang = $langchoice;
       }
       return $lang;
   }
   
 1;  1;
   
 __END__  __END__
Removed from v.1.57  
changed lines
  Added in v.1.67

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