-# Time-stamp: "2003-06-21 23:41:57 AHDT"
+# Time-stamp: "2004-03-30 16:33:31 AST"
require 5;
package Locale::Maketext;
use strict;
use vars qw( @ISA $VERSION $MATCH_SUPERS $USING_LANGUAGE_TAGS
- $USE_LITERALS);
+ $USE_LITERALS $MATCH_SUPERS_TIGHTLY);
use Carp ();
-use I18N::LangTags 0.21 ();
+use I18N::LangTags 0.30 ();
#--------------------------------------------------------------------------
BEGIN { unless(defined &DEBUG) { *DEBUG = sub () {0} } }
# define the constant 'DEBUG' at compile-time
-$VERSION = "1.06";
+$VERSION = "1.09";
@ISA = ();
$MATCH_SUPERS = 1;
-$USING_LANGUAGE_TAGS = 1;
+$MATCH_SUPERS_TIGHTLY = 1;
+$USING_LANGUAGE_TAGS = 1;
# Turning this off is somewhat of a security risk in that little or no
# checking will be done on the legality of tokens passed to the
# eval("use $module_name") in _try_use. If you turn this off, you have
sub get_handle { # This is a constructor and, yes, it CAN FAIL.
# Its class argument has to be the base class for the current
# application's l10n files.
+
my($base_class, @languages) = @_;
$base_class = ref($base_class) || $base_class;
# Complain if they use __PACKAGE__ as a project base class?
-
- unless(@languages) { # Calling with no args is magical! wooo, magic!
- if(length( $ENV{'REQUEST_METHOD'} || '' )) { # I'm a CGI
- @languages = $base_class->_http_accept_langs;
- # it's off in its own routine because it's complicated
-
- } else { # Not running as a CGI: try to puzzle out from the environment
- if(length( $ENV{'LANG'} || '' )) {
- push @languages, split m/[,:]/, $ENV{'LANG'};
- # LANG can be only /one/ locale as far as I know, but what the hey.
- }
- if(length( $ENV{'LANGUAGE'} || '' )) {
- push @languages, split m/[,:]/, $ENV{'LANGUAGE'};
- }
- print "Noting ENV LANG ", join(',', @languages),"\n" if DEBUG;
- # Those are really locale IDs, but they get xlated a few lines down.
-
- if(&_try_use('Win32::Locale')) {
- # If we have that module installed...
- push @languages, Win32::Locale::get_language()
- if defined &Win32::Locale::get_language;
- }
+
+ if( @languages ) {
+ DEBUG and print "Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
+ if($USING_LANGUAGE_TAGS) { # An explicit language-list was given!
+ @languages =
+ map {; $_, I18N::LangTags::alternate_language_tags($_) }
+ # Catch alternation
+ map I18N::LangTags::locale2language_tag($_),
+ # If it's a lg tag, fine, pass thru (untainted)
+ # If it's a locale ID, try converting to a lg tag (untainted),
+ # otherwise nix it.
+ @languages;
+ DEBUG and print "Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
}
+ } else {
+ @languages = $base_class->_ambient_langprefs;
}
+
+ @languages = $base_class->_langtag_munging(@languages);
- #------------------------------------------------------------------------
- print "Lgs1: ", map("<$_>", @languages), "\n" if DEBUG;
+ my %seen;
+ foreach my $module_name ( map { $base_class . "::" . $_ } @languages ) {
+ next unless length $module_name; # sanity
+ next if $seen{$module_name}++ # Already been here, and it was no-go
+ || !&_try_use($module_name); # Try to use() it, but can't it.
+ return($module_name->new); # Make it!
+ }
- if($USING_LANGUAGE_TAGS) {
- @languages = map &I18N::LangTags::locale2language_tag($_), @languages;
- # if it's a lg tag, fine, pass thru (untainted)
- # if it's a locale ID, try converting to a lg tag (untainted),
- # otherwise nix it.
+ return undef; # Fail!
+}
+
+###########################################################################
- push @languages, map I18N::LangTags::super_languages($_), @languages
- if $MATCH_SUPERS;
+sub _langtag_munging {
+ my($base_class, @languages) = @_;
+
+ # We have all these DEBUG statements because otherwise it's hard as hell
+ # to diagnose ifwhen something goes wrong.
- @languages = map { $_, I18N::LangTags::alternate_language_tags($_) }
- @languages; # catch alternation
+ DEBUG and print "Lgs1: ", map("<$_>", @languages), "\n";
+
+ if($USING_LANGUAGE_TAGS) {
+ DEBUG and print "Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
+ @languages = $base_class->_add_supers( @languages );
+
+ push @languages, I18N::LangTags::panic_languages(@languages);
+ DEBUG and print "After adding panic languages:\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
- push @languages, I18N::LangTags::panic_languages(@languages)
- if defined &I18N::LangTags::panic_languages;
-
push @languages, $base_class->fallback_languages;
# You are free to override fallback_languages to return empty-list!
+ DEBUG and print "Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
- @languages = # final bit of processing:
+ @languages = # final bit of processing to turn them into classname things
map {
my $it = $_; # copy
$it =~ tr<-A-Z><_a-z>; # lc, and turn - to _
$it;
} @languages
;
+ DEBUG and print "Nearing end of munging:\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
+ } else {
+ DEBUG and print "Bypassing language-tags.\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
}
- print "Lgs2: ", map("<$_>", @languages), "\n" if DEBUG > 1;
+
+ DEBUG and print "Before adding fallback classes:\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
push @languages, $base_class->fallback_language_classes;
# You are free to override that to return whatever.
+ DEBUG and print "Finally:\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
- my %seen = ();
- foreach my $module_name ( map { $base_class . "::" . $_ } @languages )
- {
- next unless length $module_name; # sanity
- next if $seen{$module_name}++ # Already been here, and it was no-go
- || !&_try_use($module_name); # Try to use() it, but can't it.
- return($module_name->new); # Make it!
- }
-
- return undef; # Fail!
+ return @languages;
}
###########################################################################
-#
-# This is where most people should stop reading.
-#
-###########################################################################
-use Locale::Maketext::GutsLoader;
-
-sub _http_accept_langs {
- # Deal with HTTP "Accept-Language:" stuff. Hassle.
- # This code is more lenient than RFC 3282, which you must read.
- # Hm. Should I just move this into I18N::LangTags at some point?
- no integer;
+sub _ambient_langprefs {
+ require I18N::LangTags::Detect;
+ return I18N::LangTags::Detect::detect();
+}
- my $in = (@_ > 1) ? $_[1] : $ENV{'HTTP_ACCEPT_LANGUAGE'};
- # (always ends up untainting)
+###########################################################################
- return() unless defined $in and length $in;
+sub _add_supers {
+ my($base_class, @languages) = @_;
- $in =~ s/\([^\)]*\)//g; # nix just about any comment
-
- if( $in =~ m/^\s*([a-zA-Z][-a-zA-Z]+)\s*$/s ) {
- # Very common case: just one language tag
- return lc $1;
- } elsif( $in =~ m/^\s*[a-zA-Z][-a-zA-Z]+(?:\s*,\s*[a-zA-Z][-a-zA-Z]+)*\s*$/s ) {
- # Common case these days: just "foo, bar, baz"
- return map lc($_), $in =~ m/([a-zA-Z][-a-zA-Z]+)/g;
- }
+ if(!$MATCH_SUPERS) {
+ # Nothing
+ DEBUG and print "Bypassing any super-matching.\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
- # Else it's complicated...
+ } elsif( $MATCH_SUPERS_TIGHTLY ) {
+ DEBUG and print "Before adding new supers tightly:\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
+ @languages = I18N::LangTags::implicate_supers( @languages );
+ DEBUG and print "After adding new supers tightly:\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
- $in =~ s/\s+//g; # Yes, we can just do without the WS!
- my @in = $in =~ m/([^,]+)/g;
- my %pref;
-
- my $q;
- foreach my $tag (@in) {
- next unless $tag =~
- m/^([a-zA-Z][-a-zA-Z]+)
- (?:
- ;q=
- (
- \d* # a bit too broad of a RE, but so what.
- (?:
- \.\d+
- )?
- )
- )?
- $
- /sx
- ;
- $q = (defined $2 and length $2) ? $2 : 1;
- #print "$1 with q=$q\n";
- push @{ $pref{$q} }, lc $1;
+ } else {
+ DEBUG and print "Before adding supers to end:\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
+ @languages = I18N::LangTags::implicate_supers_strictly( @languages );
+ DEBUG and print "After adding supers to end:\n",
+ " Lgs\@", __LINE__, ": ", map("<$_>", @languages), "\n";
}
-
- return # Read off %pref, in descending key order...
- map @{$pref{$_}},
- sort {$b <=> $a}
- keys %pref;
+
+ return @languages;
}
###########################################################################
+#
+# This is where most people should stop reading.
+#
+###########################################################################
+
+use Locale::Maketext::GutsLoader;
+
+###########################################################################
my %tried = ();
# memoization of whether we've used this module, or found it unusable.
leaves instead of dill, or lime juice instead of lemon, et cetera.
[end]
+
projects / p5sagit/p5-mst-13.2.git / blobdiff