--- loncom/localize/lonlocal.pm 2003/09/28 02:06:37 1.14 +++ loncom/localize/lonlocal.pm 2005/11/15 19:07:58 1.37 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Localization routines # -# $Id: lonlocal.pm,v 1.14 2003/09/28 02:06:37 www Exp $ +# $Id: lonlocal.pm,v 1.37 2005/11/15 19:07:58 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -161,17 +161,15 @@ but for most purposes, we do not have to package Apache::lonlocal; use strict; +use Apache::Constants qw(:common); use Apache::localize; -use Apache::File; use locale; use POSIX qw(locale_h); require Exporter; our @ISA = qw (Exporter); -our @EXPORT = qw(mt); - -my $reroute; +our @EXPORT = qw(mt mtn ns); # ========================================================= The language handle @@ -180,29 +178,16 @@ use vars qw($lh); # ===================================================== The "MakeText" function sub mt (@) { - unless ($ENV{'environment.translator'}) { - if ($lh) { - return $lh->maketext(@_); - } else { - return @_; - } +# open(LOG,'>>/home/www/loncapa/loncom/localize/localize/newphrases.txt'); +# print LOG (@_[0]."\n"); +# close(LOG); + if ($lh) { + return $lh->maketext(@_); } else { - if ($lh) { - my $trans=$lh->maketext(@_); - my $link='[['.$trans.']]'; - if ($ENV{'transreroute'}) { - $reroute.=$link; - return $trans; - } else { - return $link; - } - } else { + if (wantarray) { return @_; + } else { + return $_[0]; } } } @@ -210,16 +195,36 @@ sub mt (@) { # ============================================================== What language? sub current_language { - my $lang=$lh->maketext('language_code'); - return ($lang eq 'language_code'?'en':$lang); + if ($lh) { + my $lang=$lh->maketext('language_code'); + return ($lang eq 'language_code'?'en':$lang); + } + return 'en'; } # ============================================================== What encoding? sub current_encoding { + my $default='UTF-8'; + if ($Apache::lonnet::env{'browser.os'} eq 'win' && + $Apache::lonnet::env{'browser.type'} eq 'explorer') { + $default='ISO-8859-1'; + } if ($lh) { my $enc=$lh->maketext('char_encoding'); - return ($enc eq 'char_encoding'?'':$enc); + return ($enc eq 'char_encoding'?$default:$enc); + } else { + return $default; + } +} + +# =============================================================== Which locale? +# Refer to locale -a +# +sub current_locale { + if ($lh) { + my $enc=$lh->maketext('lang_locale'); + return ($enc eq 'lang_locale'?'':$enc); } else { return undef; } @@ -234,38 +239,125 @@ sub texthash { } return %hash; } -# ======================================================== Re-route translation -sub clearreroutetrans { - &reroutetrans(); - $reroute=''; +# ========= Get a handle (do not invoke in vain, leave this to access handlers) + +sub get_language_handle { + my $r=shift; + if ($r) { + my $headers=$r->headers_in; + $ENV{'HTTP_ACCEPT_LANGUAGE'}=$headers->{'Accept-language'}; + } + my @languages=&Apache::loncommon::preferred_languages; + $ENV{'HTTP_ACCEPT_LANGUAGE'}=''; + $lh=Apache::localize->get_handle(@languages); + if ($r) { + $r->content_languages([¤t_language()]); + } +### setlocale(LC_ALL,¤t_locale); } -# ======================================================== Re-route translation +# ========================================================== Localize localtime +sub gettimezone { + return ' ('.$Apache::lonnet::env{'server.timezone'}.')'; +} -sub reroutetrans { - $ENV{'transreroute'}=1; +sub locallocaltime { + my $thistime=shift; + if ((¤t_language=~/^en/) || (!$lh)) { + return ''.localtime($thistime).&gettimezone(); + } else { + my $format=$lh->maketext('date_locale'); + if ($format eq 'date_locale') { + return ''.localtime($thistime); + } + my ($seconds,$minutes,$twentyfour,$day,$mon,$year,$wday,$yday,$isdst)= + localtime($thistime); + my $month=(split(/\,/,$lh->maketext('date_months')))[$mon]; + my $weekday=(split(/\,/,$lh->maketext('date_days')))[$wday]; + if ($seconds<10) { + $seconds='0'.$seconds; + } + if ($minutes<10) { + $minutes='0'.$minutes; + } + $year+=1900; + my $twelve=$twentyfour; + my $ampm; + if ($twelve>12) { + $twelve-=12; + $ampm=$lh->maketext('date_pm'); + } else { + $ampm=$lh->maketext('date_am'); + } + foreach + ('seconds','minutes','twentyfour','twelve','day','year', + 'month','weekday','ampm') { + $format=~s/\$$_/eval('$'.$_)/gse; + } + return $format.&gettimezone(); + } } -# ==================================================== End re-route translation -sub endreroutetrans { - $ENV{'transreroute'}=0; - if ($ENV{'environment.translator'}) { - return $reroute; +# ==================== Normalize string (reduce fragility in the lexicon files) + +# This normalizes a string to reduce fragility in the lexicon files of +# huge messages (such as are used by the helper), and allow useful +# formatting: reduce all consecutive whitespace to a single space, +# and remove all HTML +sub normalize_string { + my $s = shift; + $s =~ s/\s+/ /g; + $s =~ s/<[^>]+>//g; + # Pop off beginning or ending spaces, which aren't good + $s =~ s/^\s+//; + $s =~ s/\s+$//; + return $s; +} + +# alias for normalize_string; recommend using it only in the lexicon +sub ns { + return normalize_string(@_); +} + +# mtn: call the mt function and the normalization function easily. +# Returns original non-normalized string if there was no translation +sub mtn (@) { + my @args = @_; # don't want to modify caller's string; if we + # didn't care about that we could set $_[0] + # directly + $args[0] = normalize_string($args[0]); + my $translation = &mt(@args); + if ($translation ne $args[0]) { + return $translation; } else { - return ''; + return $_[0]; } } -# ========= Get a handle (do not invoke in vain, leave this to access handlers) +# ---------------------------------------------------- Replace MT{...} in files -sub get_language_handle { +sub transstatic { + my $strptr=shift; + $$strptr=~s/MT\{([^\}]*)\}/&mt($1)/gse; +} + +# ----------------------------------------------- Handler Routine /adm/localize +sub handler { my $r=shift; - $lh=Apache::localize->get_handle(&Apache::loncommon::preferred_languages); - if (&Apache::lonnet::mod_perl_version == 1) { - $r->content_languages([¤t_language()]); - } - setlocale(LC_ALL,¤t_language.'.'.¤t_encoding); + &Apache::lonlocal::get_language_handle($r); + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + return OK if $r->header_only; + + my $uri=$r->uri; + $uri=~s/^\/adm\/localize//; + my $fn=$Apache::lonnet::perlvar{'lonDocRoot'}.$uri; + + my $file=&Apache::lonnet::getfile($fn); + &transstatic(\$file); + $r->print($file); + return OK; } 1;