removeLocaleKey.php

<?php
 
require(dirname(dirname(dirname(dirname(__FILE__)))) . '/tools/bootstrap.inc.php');
 
class RemoveLocaleKey extends CommandLineTool {
 
   public $localeKey = '';
 
   public $dirs = ['locale', 'lib/pkp/locale'];
 
   function __construct($argv = array()) {
      parent::__construct($argv);
 
      if (!sizeof($this->argv)) {
         $this->usage();
         exit(1);
      }
 
      array_shift($argv);
 
      $this->localeKey = array_shift($argv);
 
      if (sizeof($this->argv) > 2) {
         $this->dirs = $argv;
      }
   }
 
   function usage() {
      echo "\nRemove a locale key from all locale files.\n\n"
         . "  Usage: php {$this->scriptName} [localeKey] ([path] [path])\n\n"
         . "  Remove locale keys from app:\n  php {$this->scriptName} locale.key locale\n\n"
         . "  Remove locale keys from pkp-lib:\n  php {$this->scriptName} locale.key lib/pkp/locale\n\n"
         . "  If no path is specified it will remove the locale\n  key from files in both directories.\n\n";
   }
 
   function execute() {
 
      $localeKeyLine = 'msgid "' . $this->localeKey . '"';
      $rootDir = dirname(dirname(dirname(dirname(__FILE__))));
 
      foreach ($this->dirs as $dir) {
         $locales = scandir($rootDir . '/' . $dir);
         foreach ($locales as $locale) {
            if ($locale === '.' || $locale === '..') {
               continue;
            }
            $localeDir = join('/', [$rootDir, $dir, $locale]);
            $files = scandir($localeDir);
            foreach ($files as $file) {
               if ($file === '.' || $file === '..' || substr($file, -2) !== 'po') {
                  continue;
               }
               $content = file_get_contents($localeDir . '/' . $file);
               $lines = explode("\n", $content);
               $newLines = [];
               $removing = false;
               foreach($lines as $line) {
                  if ($localeKeyLine === substr($line, 0, strlen($localeKeyLine))) {
                     $removing = true;
                  } elseif ($removing && 'msgid' === substr($line, 0, strlen('msgid'))) {
                     $removing = false;
                  }
                  if (!$removing) {
                     $newLines[] = $line;
                  }
               }
               if (count($lines) !== count($newLines)) {
                  file_put_contents($localeDir . '/' . $file, join("\n", $newLines));
                  echo (count($lines) - count($newLines)) . " lines removed from $localeDir/$file.\n";
               }
            }
         }
      }
   }
}
 
$tool = new RemoveLocaleKey(isset($argv) ? $argv : array());
$tool->execute();