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#!/usr/bin/perl
# extract translation strings
use POSIX 'strftime';
my $date = strftime '%F %T%z', localtime;
my $prog = shift or die "Usage: $0 PROG\n";
my ($package, $version) = `perl $prog --version 2>/dev/null`
=~ /^(?:(?:GNU|Free)\s+)?(?:(\w\S+)\s+)?(\d\S+)\n/;
($package = $prog) =~ s!.*/!! unless $package;
$version ||= 'unknown';
open PARSER, "perl -MO=Deparse,-l $prog 2>/dev/null |"
or die "can't fork: $!";
print <<EOT;
# Translation template for $package
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: $package $version\\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: ENCODING\\n"
EOT
my $line = 1;
my $file = $prog;
my %close = (
'(' => ')',
'[' => ']',
'<' => '>',
'{' => '}',
);
my %seen;
while (<PARSER>)
{
chomp;
($line, $file) = ($1, $2) if /^#\s*line\s+(\d+)\s+"([^"]+)"/;
while (s/.*?\bN?_\(//)
{
my $single;
my $o = '';
my $c;
if (s/^q(q?)(.)//)
{
$single = !length $1;
if ($c = $close{$2})
{
$o = $2;
}
else
{
$c = $2;
}
}
elsif (s/^(["'])//)
{
$single = $1 eq "'";
$c = $1;
}
else
{
die "$file:$line: can't determine quote style\n";
}
my $nest = $o ? "|\Q$o\E[^\Q$c\E]*\Q$c\E" : '';
my $text = s/^((?:\\.|[^\Q$o$c\E\\]+$nest)*)// ? $1 :
die "$file:$line: can't find closing quote $c\n";
for ($text)
{
unless ($single)
{
1 while s/(^|[^\\])\\n/$1\n/g;
s/\\([\$\@])/$1/g;
}
s/"/\\"/g;
if (s/\n/\\n"\n"/g)
{
s/^/"\n"/;
s/"\n"$//;
}
}
print <<EOT unless $seen{$text}++;
#: $file:$line
msgid "$text"
msgstr ""
EOT
}
}
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