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Tool for comparing po-files. Interesting only for translators.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39226 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Kornel Benko 2011-07-02 09:31:12 +00:00
parent c774fd94ff
commit e44de2f856
1 changed files with 216 additions and 0 deletions
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po/diff_po.pl Executable file
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#! /usr/bin/env perl
# file diff_po.pl
# script to compare changes between translation files before merging them
#
# This file 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
# version 2 of the License, or (at your option) any later version.
#
# This software 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 software; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# author: Kornel Benko, kornel@lyx.org
#
# TODO: Search for good correlations of deleted and inserted string
# using Text::Levenshtein or Algorithm::Diff
use strict;
my ($status, $foundline, $msgid, $msgstr, $fuzzy);
my %Messages = (); # Used for original po-file
my %newMessages = (); # new po-file
my %Untranslated = (); # inside new po-file
my %Fuzzy = (); # inside new po-file
my $result = 0; # exit value
if (@ARGV != 2) {
die("Expected exactly 2 parameters");
}
&check("original", $ARGV[0]);
&check("new", $ARGV[1]);
&parse_po_file($ARGV[0], \%Messages);
&parse_po_file($ARGV[1], \%newMessages);
my @MsgKeys = &getLineSortedKeys(\%newMessages);
for my $k (@MsgKeys) {
if ($newMessages{$k}->{msgstr} eq "") {
# this is still untranslated string
$Untranslated{$newMessages{$k}->{line}} = $k;
}
elsif ($newMessages{$k}->{fuzzy}) {
#fuzzy string
$Fuzzy{$newMessages{$k}->{line}} = $k;
}
if (exists($Messages{$k})) {
&printIfDiff($k, $Messages{$k}, $newMessages{$k});
delete($Messages{$k});
delete($newMessages{$k});
}
}
@MsgKeys = &getLineSortedKeys(\%Messages);
for my $k (@MsgKeys) {
$result |= 8;
print "deleted message\n";
print "< line = " . $Messages{$k}->{line} . "\n";
print "< fuzzy = " . $Messages{$k}->{fuzzy} . "\n";
print "< msgid = \"$k\"\n";
print "< msgstr = \"" . $Messages{$k}->{msgstr} . "\"\n";
}
@MsgKeys = &getLineSortedKeys(\%newMessages);
for my $k (@MsgKeys) {
$result |= 16;
print "new message\n";
print "> line = " . $newMessages{$k}->{line} . "\n";
print "> fuzzy = " . $newMessages{$k}->{fuzzy} . "\n";
print "> msgid = \"$k\"\n";
print "> msgstr = \"" . $newMessages{$k}->{msgstr} . "\"\n";
}
&printExtraMessages("fuzzy", \%Fuzzy);
&printExtraMessages("untranslated", \%Untranslated);
exit($result);
sub check($$)
{
my ($spec, $filename) = @_;
if (! -e $filename ) {
die("$spec po file does not exist");
}
if ( ! -f $filename ) {
die("$spec po file is not regular");
}
if ( ! -r $filename ) {
die("$spec po file is not readable");
}
}
sub printDiff($$$$)
{
my ($k, $nk, $rM, $rnM) = @_;
print "diffline = " . $rM->{line} . "," . $rnM->{line} . "\n";
print " msgid = \"$k\"\n";
if ($rM->{fuzzy} eq $rnM->{fuzzy}) {
print " fuzzy = " . $rM->{fuzzy} . "\n";
}
else {
print "< fuzzy = " . $rM->{fuzzy} . "\n";
}
print "< msgstr = " . $rM->{msgstr} . "\n";
if ($k ne $nk) {
print "> msgid = \"$nk\"\n";
}
if ($rM->{fuzzy} ne $rnM->{fuzzy}) {
print "> fuzzy = " . $rnM->{fuzzy} . "\n";
}
print "> msgstr = " . $rnM->{msgstr} . "\n";
print "\n";
}
sub printIfDiff($$$)
{
my ($k, $rM, $rnM) = @_;
my $doprint = 0;
$doprint = 1 if ($rM->{fuzzy} != $rnM->{fuzzy});
$doprint = 1 if ($rM->{msgstr} ne $rnM->{msgstr});
if ($doprint) {
$result |= 4;
&printDiff($k, $k, $rM, $rnM);
}
}
sub parse_po_file($$)
{
my ($file, $rMessages) = @_;
if (open(FI, '<', $file)) {
$status = "normal";
$fuzzy = 0;
my $lineno = 0;
while (my $line = <FI>) {
$lineno++;
&parse_po_line($line, $lineno, $rMessages);
}
&parse_po_line("", $lineno + 1, $rMessages);
close(FI);
}
}
sub parse_po_line($$$)
{
my ($line, $lineno, $rMessages) = @_;
chomp($line);
if ($status eq "normal") {
if ($line =~ /^#, fuzzy/) {
$fuzzy = 1;
}
elsif ($line =~ s/^msgid\s+//) {
$foundline = $lineno;
$status = "msgid";
$msgid = "";
&parse_po_line($line);
}
}
elsif ($status eq "msgid") {
if ($line =~ /^\s*"(.*)"\s*/) {
$msgid .= $1;
}
elsif ($line =~ s/^msgstr\s+//) {
$status = "msgstr";
$msgstr = "";
&parse_po_line($line);
}
}
elsif ($status eq "msgstr") {
if ($line =~ /^\s*"(.*)"\s*/) {
$msgstr .= $1;
}
else {
if ($msgid ne "") {
$rMessages->{$msgid}->{line} = $foundline;
$rMessages->{$msgid}->{fuzzy} = $fuzzy;
$rMessages->{$msgid}->{msgstr} = $msgstr;
}
$fuzzy = 0;
$status = "normal";
}
}
else {
die("invalid status");
}
}
sub getLineSortedKeys($)
{
my ($rMessages) = @_;
return sort {$rMessages->{$a}->{line} <=> $rMessages->{$b}->{line};} keys %{$rMessages};
}
sub printExtraMessages($$)
{
my ($type, $rExtra) = @_;
my @UntranslatedKeys = sort { $a <=> $b;} keys %{$rExtra};
if (@UntranslatedKeys > 0) {
print "Still " . 0 + @UntranslatedKeys . " $type messages found in $ARGV[1]\n";
for my $l (@UntranslatedKeys) {
print "> line $l: \"" . $rExtra->{$l} . "\"\n";
}
}
}