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#! /usr/bin/perl
# This script extracts translateable strings from a manpage and/or
# translates a manpage using gettext.
# Copyright (C) 2006 Henning Makholm
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
use strict ; use warnings ;
my ($gettext,$shipout) ;
sub fontexpand1($$) {
my ($kinds,$text) = @_ ;
return "\\f$kinds$text\\fP" if 1 == length $kinds ;
my $out = "" ;
my $last = "R" ;
while( $text ) {
$kinds =~ s/^(.)(.*)/$2$1/ ;
$last = $1 ;
if( $text =~ s/^([^\" ]+)\s*// ||
$text =~ s/^"([^\"]+)"\s*// ) {
$out .= "\\f$last$1" ;
} else {
die "Bad font-change tail '$text'" ;
}
}
$out .= "\\fR" unless $last eq "R" ;
return $out ;
}
sub ggettext($$$) {
my ($filename,$lineno,$text) = @_ ;
return $text if $text =~ /^\d*$/ ;
$text =~ s/\\\".*//g ;
$text =~ s/\\\*p/%s/g ;
$text =~ s/([^-])\\(-[a-zA-Z])/$1$2/g ;
$text =~ s/^\.([BIR]+)\s+(.*)$/ fontexpand1($1,$2) /mge ;
my $fontcode = $text !~ /[{}]/ ;
if( $fontcode ) {
$text =~ s/\\f([BI])(([^\\]|\\[^f])*)\\f[RP]/$1\{$2\}/mg ;
}
my $newline = $text =~ s/\n$//s ;
if( $text !~ /^[.\']/m || $text =~ /\n/ ) {
$text =~ s/\s+/ /gs ;
my $pre = "" ;
while( length($text) > 65 ) {
$text =~ s/^(.{1,65}) // or $text =~ s/^([^ ]*) // ;
$pre .= "$1\n" ;
}
$text = "$pre$text" ;
$text =~ s/\s*$// ;
}
$text = $gettext->($filename,$lineno,$text);
$text .= "\n" if $newline ;
if( $fontcode ) {
$text =~ s/([BI])\{([^{}]*)\}/\\f$1$2\\fP/g ;
}
$text =~ s/([^-])(-[a-zA-Z])/$1\\$2/g ;
$text =~ s/%s/\\*p/g ;
return $text ;
}
sub partraverse {
my ($filename,$lineno,@lines) = @_ ;
return unless @lines ;
my @front ;
foreach my $line ( @lines ) {
if( @front &&
$front[$#front] =~ /\.\)?\s*$/ &&
$line =~ /^\(?[A-Z]/ ) {
$shipout->(ggettext($filename,$lineno,join "",@front));
$lineno += @front ;
@front = () ;
}
push @front, $line ;
}
$shipout->(ggettext($filename,$lineno,join "",@front));
}
sub traverser($) {
my ($filename) = @_ ;
open MAN, "<", $filename or die "Cannot open $filename" ;
my $lineno = 0 ;
my @saved = () ;
while( <MAN> ) {
$lineno++ ;
if( /^([^.\'\#]|.([BI]|[BRI][IRB]) )/ ) {
push @saved, $_ ;
next ;
}
if( @saved ) {
partraverse($filename,$lineno-@saved,@saved);
@saved = () ;
}
if( /^#line (\d+) \"(.*)\"/ ) {
my ($newline,$newfile) = ($1,$2);
$filename = $newfile ;
$lineno = $newline-1 ;
} elsif( /^\#/ ) {
# Ok, breaking the translation block is all we need.
} elsif( /^\.\\\"-+$/ ){
# Another way to request block breaking.
} elsif( /^\.(\\\"|TH|so|P|IP|ds)($| )/ ) {
$shipout->($_) ;
} elsif( /^\.(SH) (.*)$/ ) {
$shipout->(".$1 ".ggettext($filename,$lineno,$2)."\n") ;
} elsif( /^\.TP/ ) {
$shipout->($_) ;
$_ = <MAN> ; $lineno++ ;
if( /^\\fB\\-/ ) {
s/\\fI(.*?)\\fR/
"\\fI".ggettext($filename,$lineno,$1)."\\fR"/ge ;
$shipout->($_) ;
} else {
partraverse($filename,$lineno,$_) ;
}
} else {
/^.?(.?.?)/ ;
die "$filename:$lineno: unsupported request .$1\n" ;
}
}
if( @saved ) {
partraverse($filename,$lineno-@saved,@saved);
}
close MAN ;
}
if( @ARGV && $ARGV[0] eq '-x' ) {
shift @ARGV ;
my %seenwhere = () ;
my @strings = () ;
$gettext = sub {
my ($file,$line,$text) = @_ ;
push @strings, $text unless exists $seenwhere{$text} ;
push @{$seenwhere{$text}}, "$file:$line" ;
};
$shipout = sub {} ;
for my $filename ( @ARGV ) {
traverser($filename) ;
}
my $date = `date "+%Y-%m-%d %H:%M%z"` ;
chomp $date ;
print << "EOF" ;
# SOME DESCRIPTIVE TITLE.
# This file is put in the public domain.
# FIRST AUTHOR <EMAIL\@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Xcftools-manpages VERSION\\n"
"Report-Msgid-Bugs-To: henning\@makholm.net\\n"
"POT-Creation-Date: $date\\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\\n"
"Last-Translator: FULL NAME <EMAIL\@ADDRESS>\\n"
"Language-Team: LANGUAGE <LL\@li.org>\\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=CHARSET\\n"
"Content-Transfer-Encoding: 8bit\\n"
EOF
;
for my $string ( @strings ) {
print(join(" ","#:",@{$seenwhere{$string}}),"\n");
$string =~ s/([\\\"])/\\$1/g ;
$string =~ s/\n$/\\n/ ;
print "msgid \"" ;
print(join "\\n\"\n \"",split /\n/, $string) ;
print "\"\n";
print "msgstr \"\"\n\n" ;
}
exit 0 ;
}
if( @ARGV == 2 ) {
my ($pofile,$manfile) = @ARGV ;
open PO, "<", $pofile or die "Pofile $pofile not found" ;
my %catalog ;
my $msgid ;
my $addto ;
while( <PO> ) {
# This is an extremely simple-minded parser.
if( s/^\s*msgid\s+\"/\"/ ) {
$msgid = "" ;
$addto = \$msgid ;
} elsif( s/^\s*msgstr\s+\"/\"/ ) {
$catalog{$msgid} = "" ;
$addto = \$catalog{$msgid} ;
}
if( /^\s*\"(.*)\"\s*$/ ) {
$_ = $1 ;
s/\\(.)/$1 eq 'n' ? "\n" : $1/ge ;
$$addto .= $_ ;
}
}
close PO ;
$gettext = sub {
my ($file,$line,$text) = @_ ;
return $catalog{$text} if $catalog{$text} ;
return $text ;
};
$shipout = sub {
print @_ ;
};
traverser($manfile) ;
exit 0 ;
}
print STDERR "Usage: $0 -x man-source-files\n" ;
print STDERR " or: $0 pofile manfile\n" ;
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