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86 lines
2.3 KiB
86 lines
2.3 KiB
12 years ago
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<?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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11 years ago
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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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12 years ago
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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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12 years ago
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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 $language the target language
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* @return array the loaded messages. The keys are original messages, and the values
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* are translated messages.
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*/
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12 years ago
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protected function loadMessages($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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11 years ago
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$gettextFile = new GettextMoFile(['useBigEndian' => $this->useBigEndian]);
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12 years ago
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} else {
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$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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11 years ago
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$messages = [];
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12 years ago
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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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11 years ago
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return [];
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12 years ago
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}
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}
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}
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