/**
  * Returns the handle of the DynamicItem handle.
  */
 public final function getDynamicItemsParserHandler()
 {
     $chunks = explode('\\', get_class($this));
     return \C5TL\Parser::handlifyString(end($chunks));
 }
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     try {
         $vsh = Core::make('helper/validation/strings');
         /* @var \Concrete\Core\Utility\Service\Validation\Strings $vsh */
         $fh = Core::make('helper/file');
         /* @var \Concrete\Core\File\Service\File $fh */
         // Let's determine the package handle, directory and version
         $packageHandle = null;
         $packageDirectory = null;
         $packageVersion = null;
         $p = $input->getArgument('package');
         if (is_dir($p) || !$vsh->handle($p)) {
             $packageDirectory = @realpath($p);
             if ($packageDirectory === false) {
                 throw new Exception("Unable to find the directory '{$p}'");
             }
             $controllerFile = $packageDirectory . '/' . FILENAME_CONTROLLER;
             if (!is_file($controllerFile)) {
                 throw new Exception("The directory '{$packageDirectory}' does not seems to contain a valid concrete5 package");
             }
             $controllerContents = $fh->getContents($controllerFile);
             if ($controllerContents) {
                 $allTokens = @token_get_all($controllerContents);
                 if ($allTokens) {
                     $tokens = array_values(array_filter($allTokens, function ($token) {
                         $keep = true;
                         if (is_array($token)) {
                             switch ($token[0]) {
                                 case T_DOC_COMMENT:
                                 case T_WHITESPACE:
                                 case T_COMMENT:
                                     $keep = false;
                                     break;
                             }
                         }
                         return $keep;
                     }));
                     // Look for package version
                     for ($i = 0; $i < count($tokens) - 2; ++$i) {
                         if ($packageHandle === null && is_array($tokens[$i + 0]) && $tokens[$i + 0][0] === T_VARIABLE && $tokens[$i + 0][1] === '$pkgHandle' && is_string($tokens[$i + 1]) && $tokens[$i + 1] === '=' && is_array($tokens[$i + 2]) && $tokens[$i + 2][0] === T_CONSTANT_ENCAPSED_STRING) {
                             $packageHandle = @eval('return ' . $tokens[$i + 2][1] . ';');
                         }
                         if ($packageVersion === null && is_array($tokens[$i + 0]) && $tokens[$i + 0][0] === T_VARIABLE && $tokens[$i + 0][1] === '$pkgVersion' && is_string($tokens[$i + 1]) && $tokens[$i + 1] === '=' && is_array($tokens[$i + 2]) && $tokens[$i + 2][0] === T_CONSTANT_ENCAPSED_STRING) {
                             $packageVersion = @eval('return ' . $tokens[$i + 2][1] . ';');
                         }
                     }
                 }
             }
             if ($packageHandle === null) {
                 $packageHandle = basename($packageDirectory);
             }
         } else {
             foreach (Package::getAvailablePackages(false) as $pkg) {
                 if (strcasecmp($p, $pkg->getPackageHandle()) === 0) {
                     $packageHandle = $pkg->getPackageHandle();
                     $packageDirectory = $pkg->getPackagePath();
                     $packageVersion = $pkg->getPackageVersion();
                     break;
                 }
             }
             if ($packageHandle === null) {
                 throw new Exception("Unable to find a package with handle '{$p}'");
             }
         }
         $packageLanguagesDirectory = $packageDirectory . '/' . DIRNAME_LANGUAGES;
         // Determine the locales to translate
         $locales = array();
         $localeOption = $input->getOption('locale');
         if (in_array('-', $localeOption, true)) {
             // We don't want any locale
         } elseif (empty($localeOption)) {
             // List the currently package locales
             foreach ($fh->getDirectoryContents($packageLanguagesDirectory) as $item) {
                 if (is_file("{$packageLanguagesDirectory}/{$item}/LC_MESSAGES/messages.mo") || is_file("{$baseDir}/{$item}/LC_MESSAGES/messages.po")) {
                     $locales[] = $item;
                 }
             }
             if (empty($locales)) {
                 // Let's use the core locales
                 $locales = Localization::getAvailableInterfaceLanguages();
             }
         } else {
             // Normalize the locales (eg from it-it to it_IT)
             foreach ($localeOption as $lo) {
                 $chunks = array();
                 foreach (explode('_', str_replace('-', '_', $lo)) as $index => $chunk) {
                     if ($index === 0) {
                         // Language (eg zh)
                         $chunks[] = strtolower($chunk);
                     } elseif (strlen($chunk) === 4) {
                         // Script (eg Hans)
                         $chunks[] = ucfirst(strtolower($chunk));
                     } else {
                         // Territory (eg CN)
                         $chunks[] = strtoupper($chunk);
                     }
                 }
                 $locales[] = implode('_', $chunks);
             }
         }
         // Initialize the master translations file (.pot)
         $pot = new Translations();
         $pot->setHeader('Project-Id-Version', "{$packageHandle} {$packageVersion}");
         $pot->setLanguage('en_US');
         $pot->setHeader('Report-Msgid-Bugs-To', $input->getOption('contact'));
         $pot->setHeader('Last-Translator', $input->getOption('translator'));
         // Parse the package directory
         $output->writeln('Parsing package contents');
         foreach (\C5TL\Parser::getAllParsers() as $parser) {
             if ($parser->canParseDirectory()) {
                 $output->write('- running parser "' . $parser->getParserName() . '"... ');
                 $parser->parseDirectory($packageDirectory, "packages/{$packageHandle}", $pot, false, $input->getOption('exclude-3rdparty'));
                 $output->writeln('done.');
             }
         }
         // Save the pot file
         $output->write('Saving .pot file... ');
         if (!is_dir($packageLanguagesDirectory)) {
             @mkdir($packageLanguagesDirectory, 0775, true);
             if (!is_dir($packageLanguagesDirectory)) {
                 throw new Exception("Unable to create the directory {$packageLanguagesDirectory}");
             }
         }
         $potFilename = "{$packageLanguagesDirectory}/messages.pot";
         if ($pot->toPoFile($potFilename) === false) {
             throw new Exception("Unable to save the .pot file to {$potFilename}");
         }
         $output->writeln('done.');
         // Creating/updating the locale files
         foreach ($locales as $locale) {
             $output->writeln("Working on locale {$locale}");
             $poDirectory = "{$packageLanguagesDirectory}/{$locale}/LC_MESSAGES";
             $po = clone $pot;
             $po->setLanguage($locale);
             $poFile = "{$poDirectory}/messages.po";
             $moFile = "{$poDirectory}/messages.mo";
             if (is_file($poFile)) {
                 $output->write("- reading current .po file... ");
                 $oldPo = Translations::fromPoFile($poFile);
                 $output->writeln('done.');
             } elseif (is_file($moFile)) {
                 $output->write("- decompiling current .mo file... ");
                 $oldPo = Translations::fromMoFile($poFile);
                 $output->writeln('done.');
             } else {
                 $oldPo = null;
             }
             if ($oldPo !== null) {
                 $output->write("- merging translations... ");
                 $po->mergeWith($oldPo, 0);
                 $output->writeln('done.');
             }
             $output->write("- saving .po file... ");
             if (!is_dir($poDirectory)) {
                 @mkdir($poDirectory, 0775, true);
                 if (!is_dir($poDirectory)) {
                     throw new Exception("Unable to create the directory {$poDirectory}");
                 }
             }
             $po->toPoFile($poFile);
             $output->writeln('done.');
             $output->write("- saving .mo file... ");
             $po->toMoFile($moFile);
             $output->writeln('done.');
         }
     } catch (Exception $x) {
         $output->writeln($x->getMessage());
         return 1;
     }
 }