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85 lines
2.3 KiB
85 lines
2.3 KiB
<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\i18n; |
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use Yii; |
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/** |
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* GettextMessageSource represents a message source that is based on GNU Gettext. |
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* |
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* Each GettextMessageSource instance represents the message tranlations |
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* for a single domain. And each message category represents a message context |
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* in Gettext. Translated messages are stored as either a MO or PO file, |
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* depending on the [[useMoFile]] property value. |
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* |
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* All translations are saved under the [[basePath]] directory. |
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* |
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* Translations in one language are kept as MO or PO files under an individual |
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* subdirectory whose name is the language ID. The file name is specified via |
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* [[catalog]] property, which defaults to 'messages'. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @since 2.0 |
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*/ |
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class GettextMessageSource extends MessageSource |
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{ |
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const MO_FILE_EXT = '.mo'; |
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const PO_FILE_EXT = '.po'; |
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/** |
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* @var string |
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*/ |
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public $basePath = '@app/messages'; |
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/** |
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* @var string |
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*/ |
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public $catalog = 'messages'; |
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/** |
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* @var boolean |
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*/ |
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public $useMoFile = true; |
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/** |
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* @var boolean |
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*/ |
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public $useBigEndian = false; |
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/** |
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* Loads the message translation for the specified language and category. |
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* Child classes should override this method to return the message translations of |
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* the specified language and category. |
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* @param string $category the message category |
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* @param string $language the target language |
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* @return array the loaded messages. The keys are original messages, and the values |
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* are translated messages. |
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*/ |
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protected function loadMessages($category, $language) |
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{ |
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$messageFile = Yii::getAlias($this->basePath) . '/' . $language . '/' . $this->catalog; |
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if ($this->useMoFile) { |
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$messageFile .= static::MO_FILE_EXT; |
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} else { |
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$messageFile .= static::PO_FILE_EXT; |
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} |
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if (is_file($messageFile)) { |
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if ($this->useMoFile) { |
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$gettextFile = new GettextMoFile(['useBigEndian' => $this->useBigEndian]); |
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} else { |
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$gettextFile = new GettextPoFile(); |
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} |
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$messages = $gettextFile->load($messageFile, $category); |
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if (!is_array($messages)) { |
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$messages = []; |
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} |
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return $messages; |
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} else { |
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Yii::error("The message file for category '$category' does not exist: $messageFile", __METHOD__); |
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return []; |
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} |
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} |
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}
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