setDescription('Extract localizable strings.');
$this->setHelp('This command extracts the localizable string from php files into a .pot file.');
}
protected function execute(InputInterface $input, OutputInterface $output): int
{
try {
$folder = $this->getPluginFolder($input);
$manifest = $this->getPluginManifest($folder);
$localedomain = $this->getPluginLocaleDomainByFolder($folder);
// Create locale directories if they don't exist
foreach ($this->getSystemLanguages() as $lang) {
$lang = explode('_', $lang)[0];
$language_dir = "{$folder}/locale/{$lang}/LC_MESSAGES";
if (!file_exists($language_dir)) {
mkdir($language_dir, 0755, true);
}
}
// Extract translations into pot file
$main_lang = $this->getSystemLanguages()[0];
$pot_file = "{$folder}/locale/{$main_lang}/LC_MESSAGES/{$localedomain}.pot";
file_put_contents($pot_file, '');
$command_line = implode(' | ', [
'find "${:FOLDER}" -iname "*.php"',
'xargs xgettext --keyword=_n:1,2 --from-code=UTF-8 -j -n --language=PHP --add-location=never --package-name="${:PACKAGENAME}" -o "${:POTFILE}"',
]);
$process = Process::fromShellCommandline($command_line);
$process->mustRun(null, [
'FOLDER' => $folder,
'PACKAGENAME' => $manifest['pluginclassname'],
'POTFILE' => $pot_file,
]);
$out = $process->getOutput();
if ($out) {
$output->writeln($out, OutputInterface::VERBOSITY_VERBOSE);
}
// Merge pot into exisiting po files
foreach ($this->getSystemLanguages() as $lang) {
if ($lang === $main_lang) {
continue;
}
$lang = explode('_', $lang)[0];
$po_file = "{$folder}/locale/{$lang}/LC_MESSAGES/{$localedomain}.po";
if (!file_exists($po_file)) {
continue;
}
$command_line = 'msgmerge --backup=off --update "${:POFILE}" "${:POTFILE}"';
$process = Process::fromShellCommandline($command_line);
$process->run(null, [
'POFILE' => $po_file,
'POTFILE' => $pot_file,
]);
if (!$process->isSuccessful()) {
$output->writeln(
"Update of po file failed: {$out}",
OutputInterface::VERBOSITY_VERBOSE
);
continue;
}
$out = $process->getOutput();
if ($out) {
$output->writeln($out, OutputInterface::VERBOSITY_VERBOSE);
}
}
$output->writeln("Translation strings have been extracted successfully.");
return Command::SUCCESS;
} catch (ProcessFailedException $e) {
$output->writeln("Could not execute shell command");
$output->writeln($e->getmessage());
return Command::FAILURE;
} catch (Exception $e) {
$output->writeln("{$e->getMessage()}");
return Command::FAILURE;
}
}
}