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   1  #!/usr/bin/env php
   2  <?php
   3  
   4  use splitbrain\phpcli\CLI;
   5  use splitbrain\phpcli\Options;
   6  
   7  if (!defined('DOKU_INC')) define('DOKU_INC', realpath(__DIR__ . '/../') . '/');
   8  define('NOSESSION', 1);
   9  require_once (DOKU_INC . 'inc/init.php');
  10  
  11  /**
  12   * Remove unwanted languages from a DokuWiki install
  13   */
  14  class StripLangsCLI extends CLI
  15  {
  16      /**
  17       * Register options and arguments on the given $options object
  18       *
  19       * @param Options $options
  20       * @return void
  21       */
  22      protected function setup(Options $options)
  23      {
  24  
  25          $options->setHelp(
  26              'Remove all languages from the installation, besides the ones specified. English language ' .
  27              'is never removed!'
  28          );
  29  
  30          $options->registerOption(
  31              'keep',
  32              'Comma separated list of languages to keep in addition to English.',
  33              'k',
  34              'langcodes'
  35          );
  36          $options->registerOption(
  37              'english-only',
  38              'Remove all languages except English',
  39              'e'
  40          );
  41      }
  42  
  43      /**
  44       * Your main program
  45       *
  46       * Arguments and options have been parsed when this is run
  47       *
  48       * @param Options $options
  49       * @return void
  50       */
  51      protected function main(Options $options)
  52      {
  53          if ($options->getOpt('keep')) {
  54              $keep = explode(',', $options->getOpt('keep'));
  55              if (!in_array('en', $keep)) $keep[] = 'en';
  56          } elseif ($options->getOpt('english-only')) {
  57              $keep = ['en'];
  58          } else {
  59              echo $options->help();
  60              exit(0);
  61          }
  62  
  63          // Kill all language directories in /inc/lang and /lib/plugins besides those in $langs array
  64          $this->stripDirLangs(realpath(__DIR__ . '/../inc/lang'), $keep);
  65          $this->processExtensions(realpath(__DIR__ . '/../lib/plugins'), $keep);
  66          $this->processExtensions(realpath(__DIR__ . '/../lib/tpl'), $keep);
  67      }
  68  
  69      /**
  70       * Strip languages from extensions
  71       *
  72       * @param string $path path to plugin or template dir
  73       * @param array $keep_langs languages to keep
  74       */
  75      protected function processExtensions($path, $keep_langs)
  76      {
  77          if (is_dir($path)) {
  78              $entries = scandir($path);
  79  
  80              foreach ($entries as $entry) {
  81                  if ($entry != "." && $entry != "..") {
  82                      if (is_dir($path . '/' . $entry)) {
  83                          $plugin_langs = $path . '/' . $entry . '/lang';
  84  
  85                          if (is_dir($plugin_langs)) {
  86                              $this->stripDirLangs($plugin_langs, $keep_langs);
  87                          }
  88                      }
  89                  }
  90              }
  91          }
  92      }
  93  
  94      /**
  95       * Strip languages from path
  96       *
  97       * @param string $path path to lang dir
  98       * @param array $keep_langs languages to keep
  99       */
 100      protected function stripDirLangs($path, $keep_langs)
 101      {
 102          $dir = dir($path);
 103  
 104          while (($cur_dir = $dir->read()) !== false) {
 105              if ($cur_dir != '.' && $cur_dir != '..' && is_dir($path . '/' . $cur_dir)) {
 106                  if (!in_array($cur_dir, $keep_langs, true)) {
 107                      io_rmdir($path . '/' . $cur_dir, true);
 108                  }
 109              }
 110          }
 111          $dir->close();
 112      }
 113  }
 114  
 115  $cli = new StripLangsCLI();
 116  $cli->run();