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# Copyrights 2007-2025 by [Mark Overmeer <markov@cpan.org>].
# For other contributors see ChangeLog.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.03.
# This code is part of distribution Log-Report-Lexicon. Meta-POD processed
# with OODoc into POD and HTML manual-pages. See README.md
# Copyright Mark Overmeer. Licensed under the same terms as Perl itself.
package Log::Report::Lexicon::Index;{
our $VERSION = '1.12';
}
use warnings;
use strict;
use Log::Report 'log-report-lexicon';
use Log::Report::Util qw/parse_locale/;
use File::Find ();
# The next two need extension when other lexicon formats are added
sub _understand_file_format($) { $_[0] =~ qr/\.(?:gmo|mo|po)$/i }
sub _find($$)
{ my ($index, $name) = (shift, lc shift);
$index->{"$name.mo"} || $index->{"$name.gmo"} || $index->{"$name.po"}; # prefer mo
}
# On windows, other locale names are used. They will get translated
# into the Linux (ISO) convensions.
my $locale_unifier;
if($^O eq 'MSWin32')
{ require Log::Report::Win32Locale;
Log::Report::Win32Locale->import;
$locale_unifier = sub { iso_locale($_[0]) };
}
else
{ # some UNIXes do not understand "POSIX"
$locale_unifier = sub { uc $_[0] eq 'POSIX' ? 'c' : lc $_[0] };
}
sub new($;@)
{ my ($class, $dir) = (shift, shift);
bless {dir => $dir, @_}, $class; # dir before first argument.
}
#-------------------
sub directory() { $_[0]->{dir} }
#-------------------
sub index()
{ my $self = shift;
return $self->{index} if exists $self->{index};
my $dir = $self->directory;
my $strip_dir = qr!\Q$dir/!;
$self->{index} = {};
File::Find::find
( +{ wanted => sub
{ -f && !m[/\.] && _understand_file_format($_) or return 1;
(my $key = $_) =~ s/$strip_dir//;
$self->addFile($key, $_);
1;
}
, follow => 1
, no_chdir => 1
, follow_skip => 2
} , $dir
);
$self->{index};
}
sub addFile($;$)
{ my ($self, $base, $abs) = @_;
$abs ||= File::Spec->catfile($self->directory, $base);
$base =~ s!\\!/!g; # dos->unix
$self->{index}{lc $base} = $abs;
}
sub find($$)
{ my $self = shift;
my $domain = lc shift;
my $locale = $locale_unifier->(shift);
my $index = $self->index;
keys %$index or return undef;
my ($lang, $terr, $cs, $modif) = parse_locale $locale;
unless(defined $lang)
{ defined $locale or $locale = '<undef>';
# avoid problem with recursion, not translatable!
print STDERR "illegal locale $locale, when looking for $domain";
return undef;
}
$terr = defined $terr ? '_'.$terr : '';
$cs = defined $cs ? '.'.$cs : '';
$modif = defined $modif ? '@'.$modif : '';
(my $normcs = $cs) =~ s/[^a-z0-9]//g;
if(length $normcs)
{ $normcs = "iso$normcs" if $normcs !~ /[^0-9-]/;
$normcs = '.'.$normcs;
}
my $fn;
for my $f ("/lc_messages/$domain", "/$domain")
{ $fn
||= _find($index, "$lang$terr$cs$modif$f")
|| _find($index, "$lang$terr$normcs$modif$f")
|| _find($index, "$lang$terr$modif$f")
|| _find($index, "$lang$modif$f")
|| _find($index, "$lang$f");
}
$fn
|| _find($index, "$domain/$lang$terr$cs$modif")
|| _find($index, "$domain/$lang$terr$normcs$modif")
|| _find($index, "$domain/$lang$terr$modif")
|| _find($index, "$domain/$lang$cs$modif")
|| _find($index, "$domain/$lang$normcs$modif")
|| _find($index, "$domain/$lang$modif")
|| _find($index, "$domain/$lang");
}
sub list($;$)
{ my $self = shift;
my $domain = lc shift;
my $filter = shift;
my $index = $self->index;
my @list = map $index->{$_}, grep m!\b\Q$domain\E\b!, keys %$index;
defined $filter
or return @list;
$filter = qr/\.\Q$filter\E$/i
if defined $filter && ref $filter ne 'Regexp';
grep $_ =~ $filter, @list;
}
#-------------------------------------
1;
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