interface/modules/zend_modules/library/Zend/I18n/Translator/Loader/Ini.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\I18n\Translator\Loader;
  11
  12 use Zend\Config\Reader\Ini as IniReader;
  13 use Zend\I18n\Exception;
  14 use Zend\I18n\Translator\Plural\Rule as PluralRule;
  15 use Zend\I18n\Translator\TextDomain;
  16
  17 /**
  18  * PHP INI format loader.
  19  */
  20 class Ini implements FileLoaderInterface
  21 {
  22     /**
  23      * load(): defined by FileLoaderInterface.
  24      *
  25      * @see    FileLoaderInterface::load()
  26      * @param  string $locale
  27      * @param  string $filename
  28      * @return TextDomain|null
  29      * @throws Exception\InvalidArgumentException
  30      */
  31     public function load($locale, $filename)
  32     {
  33         if (!is_file($filename) || !is_readable($filename)) {
  34             throw new Exception\InvalidArgumentException(sprintf(
  35                 'Could not open file %s for reading',
  36                 $filename
  37             ));
  38         }
  39
  40         $messages           = array();
  41         $iniReader          = new IniReader();
  42         $messagesNamespaced = $iniReader->fromFile($filename);
  43
  44         $list = $messagesNamespaced;
  45         if (isset($messagesNamespaced['translation'])) {
  46            $list = $messagesNamespaced['translation'];
  47         }
  48
  49         foreach ($list as $message) {
  50             if (!is_array($message) || count($message) < 2) {
  51                 throw new Exception\InvalidArgumentException(
  52                     'Each INI row must be an array with message and translation'
  53                 );
  54             }
  55             if (isset($message['message']) && isset($message['translation'])) {
  56                 $messages[$message['message']] = $message['translation'];
  57                 continue;
  58             }
  59             $messages[array_shift($message)] = array_shift($message);
  60         }
  61
  62         if (!is_array($messages)) {
  63             throw new Exception\InvalidArgumentException(sprintf(
  64                 'Expected an array, but received %s',
  65                 gettype($messages)
  66             ));
  67         }
  68
  69         $textDomain = new TextDomain($messages);
  70
  71         if (array_key_exists('plural', $messagesNamespaced)
  72             && isset($messagesNamespaced['plural']['plural_forms'])
  73         ) {
  74             $textDomain->setPluralRule(
  75                 PluralRule::fromString($messagesNamespaced['plural']['plural_forms'])
  76             );
  77         }
  78
  79         return $textDomain;
  80     }
  81 }