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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::POTcompact;{
our $VERSION = '1.12';
}
use base 'Log::Report::Lexicon::Table';
use warnings;
use strict;
use Log::Report 'log-report-lexicon';
use Log::Report::Util qw/escape_chars unescape_chars/;
use Encode qw/find_encoding/;
sub _unescape($$);
sub _escape($$);
sub read($@)
{ my ($class, $fn, %args) = @_;
my $self = bless {}, $class;
my $charset = $args{charset};
# Try to pick-up charset from the filename (which may contain a modifier)
$charset = $1
if !$charset && $fn =~ m!\.([\w-]+)(?:\@[^/\\]+)?\.po$!i;
my $fh;
if($charset)
{ open $fh, "<:encoding($charset):crlf", $fn
or fault __x"cannot read in {charset} from file {fn}"
, charset => $charset, fn => $fn;
}
else
{ open $fh, '<:raw:crlf', $fn
or fault __x"cannot read from file {fn} (unknown charset)", fn=>$fn;
}
# Speed!
my $msgctxt = '';
my ($last, $msgid, @msgstr);
my $index = $self->{index} ||= {};
my $add = sub {
unless($charset)
{ $msgid eq ''
or error __x"header not found for charset in {fn}", fn => $fn;
$charset = $msgstr[0] =~ m/^content-type:.*?charset=["']?([\w-]+)/mi
? $1 : error __x"cannot detect charset in {fn}", fn => $fn;
my $enc = find_encoding($charset)
or error __x"unsupported charset {charset} in {fn}"
, charset => $charset, fn => $fn;
trace "auto-detected charset $charset for $fn";
binmode $fh, ":encoding($charset):crlf";
$_ = $enc->decode($_) for @msgstr, $msgctxt;
}
$index->{"$msgid#$msgctxt"} = @msgstr > 1 ? [@msgstr] : $msgstr[0];
($msgctxt, $msgid, @msgstr) = ('');
};
LINE:
while(my $line = $fh->getline)
{ next if substr($line, 0, 1) eq '#';
if($line =~ m/^\s*$/) # blank line starts new
{ $add->() if @msgstr;
next LINE;
}
if($line =~ s/^msgctxt\s+//)
{ $msgctxt = _unescape $line, $fn;
$last = \$msgctxt;
}
elsif($line =~ s/^msgid\s+//)
{ $msgid = _unescape $line, $fn;
$last = \$msgid;
}
elsif($line =~ s/^msgstr\[(\d+)\]\s*//)
{ $last = \($msgstr[$1] = _unescape $line, $fn);
}
elsif($line =~ s/^msgstr\s+//)
{ $msgstr[0] = _unescape $line, $fn;
$last = \$msgstr[0];
}
elsif($last && $line =~ m/^\s*\"/)
{ $$last .= _unescape $line, $fn;
}
}
$add->() if @msgstr; # don't forget the last
close $fh
or failure __x"failed reading from file {fn}", fn => $fn;
$self->{origcharset} = $charset;
$self->{filename} = $fn;
$self->setupPluralAlgorithm;
$self;
}
#------------------
sub filename() {shift->{filename}}
sub originalCharset() {shift->{origcharset}}
#------------------
sub index() {shift->{index}}
# The index is a HASH with "$msg#$msgctxt" keys. If there is no
# $msgctxt, then there still is the #
sub msgid($) { $_[0]->{index}{$_[1].'#'.($_[2]//'')} }
# speed!!!
sub msgstr($;$$)
{ my ($self, $msgid, $count, $ctxt) = @_;
$ctxt //= '';
my $po = $self->{index}{"$msgid#$ctxt"}
or return undef;
ref $po # no plurals defined
or return $po;
$po->[$self->{algo}->($count // 1)] || $po->[$self->{algo}->(1)];
}
#
### internal helper routines, shared with ::PO.pm and ::POT.pm
#
sub _unescape($$)
{ unless( $_[0] =~ m/^\s*\"(.*)\"\s*$/ )
{ warning __x"string '{text}' not between quotes at {location}"
, text => $_[0], location => $_[1];
return $_[0];
}
unescape_chars $1;
}
sub _escape($$)
{ my @escaped = map { '"' . escape_chars($_) . '"' }
defined $_[0] && length $_[0] ? split(/(?<=\n)/, $_[0]) : '';
unshift @escaped, '""' if @escaped > 1;
join $_[1], @escaped;
}
1;
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