/usr/share/namazu/pl/wakati.pl is in namazu2-index-tools 2.0.21-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# -*- Perl -*-
# $Id: wakati.pl,v 1.9.8.10 2009-01-28 17:54:57 opengl2772 Exp $
# Copyright (C) 1997-1999 Satoru Takabayashi All rights reserved.
# Copyright (C) 2000-2009 Namazu Project All rights reserved.
# This is free software with ABSOLUTELY NO WARRANTY.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either versions 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA
#
# This file must be encoded in EUC-JP encoding
#
package wakati;
use strict;
# Do wakatigaki processing for a Japanese text.
sub wakatize_japanese ($) {
my ($content) = @_;
my @tmp = wakatize_japanese_sub($content);
# Remove words consists of only Hiragana characters
# when -H option is specified.
# Original of this code was contributed by <furukawa@tcp-ip.or.jp>.
# [1997-11-13]
# And do Okurigana processing. [1998-04-24]
if ($var::Opt{'hiragana'} || $var::Opt{'okurigana'}) {
for (my $ndx = 0; $ndx <= $#tmp; ++$ndx) {
$tmp[$ndx] =~ s/(\s)/ $1/g;
$tmp[$ndx] = ' ' . $tmp[$ndx];
if ($var::Opt{'okurigana'}) {
$tmp[$ndx] =~ s/((?:[^\xa4][\xa1-\xfe])+)(?:\xa4[\xa1-\xf3])+ /$1 /g;
}
if ($var::Opt{'hiragana'}) {
$tmp[$ndx] =~ s/ (?:\xa4[\xa1-\xf3])+ //g;
}
}
}
# Collect only noun words when -m option is specified.
if ($var::Opt{'noun'}) {
$$content = "";
$$content .= shift(@tmp) =~ /(.+ )\xcc\xbe\xbb\xec/ ? $1 : "" while @tmp;
# noun (meisi) in Japanese "cc be bb ec"
} else {
$$content = join("\n", @tmp);
}
$$content =~ s/^\s+//gm;
$$content =~ s/\s+$//gm;
$$content =~ s/ +/ /gm;
$$content .= "\n";
util::dprint(_("-- wakatized content --\n")."$$content\n");
}
sub wakatize_japanese_sub ($) {
my ($content) = @_;
my $str = "";
my @tmp = ();
if ($conf::WAKATI =~ /^module_(\w+)/) {
my $module = $1;
if ($module eq "kakasi") {
$str = $$content;
$str =~ s/([\x80-\xff]+)/{my $text = Text::Kakasi::do_kakasi($1); " $text ";}/ge;
} elsif ($module eq "chasen") {
if ($var::Opt{'noun'}) {
$str = Text::ChaSen::sparse_tostr_long($$content);
} else {
$str = $$content;
$str =~ s/([\x80-\xff]+)/{my $text = Text::ChaSen::sparse_tostr_long($1); " $text ";}/ge;
}
} elsif ($module eq "mecab") {
use vars qw($t);
if (!defined $t) {
require MeCab;
import MeCab;
eval '$t = new MeCab::Tagger("-Owakati");' or
$t = new MeCab::Tagger([qw(mecab -O wakati)]);
}
END {
$t->DESTROY() if defined $t;
};
$str = $$content;
$str =~ s/([\x80-\xff]+)/{my $s = $1; my $text = $t->parse($s); " $text ";}/ge;
} else {
util::cdie(_("invalid wakati module: ")."$module\n");
}
util::dprint(_("-- wakatized bare content --\n")."$str\n\n");
@tmp = split('\n', $str);
} else {
my $tmpfile = util::tmpnam("NMZ.wakati");
util::dprint(_("wakati: using ")."$conf::WAKATI\n");
# Don't use IPC::Open2 because it's not efficent.
if ($var::Opt{'noun'}) {
my $fh_wakati = util::efopen("|$conf::WAKATI > $tmpfile");
print $fh_wakati $$content;
util::fclose($fh_wakati);
} else {
$str = $$content;
my $redirect = ">";
while(1) {
if ($str =~ s/^([\x80-\xff]+)//s) {
my $fh_wakati = util::efopen("|$conf::WAKATI $redirect $tmpfile");
print $fh_wakati " $1\n";
util::fclose($fh_wakati);
} elsif ($str =~ s/^([\x00-\x7f]+)//s) {
my $fh_wakati = util::efopen("$redirect $tmpfile");
print $fh_wakati " $1 ";
util::fclose($fh_wakati);
} else {
last;
}
$redirect = ">>";
}
}
{
my $fh_wakati = util::efopen($tmpfile);
@tmp = <$fh_wakati>;
chomp @tmp;
util::fclose($fh_wakati);
}
unlink $tmpfile;
}
return @tmp;
}
1;
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