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|
#!/usr/bin/perl
#
# Author: Petter Reinholdtsen
# Date: 2004-12-05
# License: GPL
#
# Convert SQL-ledger 'all' translation files to gettext style .po
# files, and back.
#
# Based on code from po-debconf.
use Text::Wrap;
my $infile = shift;;
my %alltext;
if ($infile eq "all") {
require "all";
%alltext = %{ $self{texts} };
as_po("all.po", %alltext);
} elsif ($infile eq "all.po") {
%alltext = load_po($infile);
as_sql_ledger_all("all", %alltext);
} else {
print STDERR "usage: $0 all > all.po\n";
print STDERR " $0 all.po > all\n";
exit 1;
}
exit 0;
sub perl_encode {
$msg = shift;
# Using single quotes, so there is no need to escape
#$msg =~ s%\"%\\\"%g;
return $msg;
}
sub as_sql_ledger_all {
my ($filename, %alltext) = @_;
print <<EOF;
# These are all the texts to build the translations files.
# to build unique strings edit the module files instead
# this file is just a shortcut to build strings which are the same
\$self{texts} = {
EOF
for $text (sort keys %alltext) {
my $translation = perl_encode($alltext{$text});
print " '$text' => '$translation',\n"
}
print <<EOF;
};
1;
EOF
}
sub po_encode {
$msg = shift;
$msg =~ s%\\%\\\\%g;
$msg =~ s%\"%\\\"%g;
$msg =~ s%\n%\\n%g;
return $msg;
}
sub as_po {
my ($filename, %alltext) = @_;
# Guessing on a charset. It should be fetched from the original
# file itself, but it is missing in the sql-ledger all files.
my $charset = "ISO-9959-1";
# Prevent a wrapped line from beginning with a space
$Text::Wrap::break = qr/\n|\s(?=\S)/;
$Text::Wrap::columns = 72;
$Text::Wrap::huge = 'overflow';
$Text::Wrap::break = qr/\n|\s(?=\S)/;
print <<EOF;
# SOME DESCRIPTIVE TITLE.
# Copyright (C) YEAR Copyright holder
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\\n"
"Language-Team: LANGUAGE <LL@li.org>\\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=$charset\\n"
"Content-Transfer-Encoding: 8bit\\n"
EOF
for $text (sort keys %alltext) {
my $translation = po_encode($alltext{$text});
my $id = wrap("", " ", "msgid \"$text\"");
my $str = wrap("", " ", "msgstr \"$translation\"");
$id =~ s/\n / \"\n \"/g;
$str =~ s/\n / \"\n \"/g;
print "$id\n";
print "$str\n\n";
}
}
sub unescape_one_sequence
{
my ($sequence) = @_;
return "\\" if $sequence eq "\\\\";
return "\"" if $sequence eq "\\\"";
return "\n" if $sequence eq "\\n";
# gettext also handles \n, \t, \b, \r, \f, \v, \a, \xxx (octal),
# \xXX (hex) and has a comment saying they want to handle \u and \U.
return $sequence;
}
sub unescape_po_string
{
my ($string) = @_;
$string =~ s/(\\.)/unescape_one_sequence($1)/eg;
return $string;
}
sub load_po {
my $filename = shift;
my %alltext;
open(PO_FILE, "<$filename") || die "Unable to read from $filename";
my $nextfuzzy = 0;
my $inmsgid = 0;
my $inmsgstr = 0;
my $msgid = "";
my $msgstr = "";
while (<PO_FILE>)
{
$nextfuzzy = 1 if /^#, fuzzy/;
if (/^msgid "((\\.|[^\\])*)"/ )
{
$alltext{$msgid} = $msgstr if $inmsgstr && $msgid && defined $msgstr;
$msgid = "";
$msgstr = "";
if ($nextfuzzy) {
$inmsgid = 0;
} else {
$msgid = unescape_po_string($1);
$inmsgid = 1;
}
$inmsgstr = 0;
$nextfuzzy = 0;
}
if (/^msgstr "((\\.|[^\\])*)"/)
{
$msgstr = unescape_po_string($1);
$inmsgstr = 1;
$inmsgid = 0;
}
if (/^ *"((\\.|[^\\])*)"/)
{
$msgid .= unescape_po_string($1) if $inmsgid;
$msgstr .= unescape_po_string($1) if $inmsgstr;
}
}
$alltext{$msgid} = $msgstr if $inmsgstr && $msgid && $msgstr;
return %alltext;
}
|
