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119 lines
3.2 KiB
119 lines
3.2 KiB
<?php |
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namespace yii\i18n; |
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use Yii; |
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use yii\base\Component; |
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use yii\base\InvalidConfigException; |
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class I18N extends Component |
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{ |
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/** |
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* @var array list of [[MessageSource]] configurations or objects. The array keys are message |
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* categories, and the array values are the corresponding [[MessageSource]] objects or the configurations |
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* for creating the [[MessageSource]] objects. The message categories can contain the wildcard '*' at the end |
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* to match multiple categories with the same prefix. For example, 'app\*' matches both 'app\cat1' and 'app\cat2'. |
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*/ |
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public $translations; |
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public function init() |
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{ |
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if (!isset($this->translations['yii'])) { |
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$this->translations['yii'] = array( |
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'class' => 'yii\i18n\PhpMessageSource', |
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'sourceLanguage' => 'en_US', |
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'basePath' => '@yii/messages', |
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); |
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} |
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if (!isset($this->translations['app'])) { |
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$this->translations['app'] = array( |
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'class' => 'yii\i18n\PhpMessageSource', |
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'sourceLanguage' => 'en_US', |
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'basePath' => '@app/messages', |
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); |
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} |
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} |
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public function translate($message, $params = array(), $language = null) |
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{ |
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if ($language === null) { |
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$language = Yii::$app->language; |
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} |
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// allow chars for category: word chars, ".", "-", "/","\" |
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if (strpos($message, '|') !== false && preg_match('/^([\w\-\\/\.\\\\]+)\|(.*)/', $message, $matches)) { |
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$category = $matches[1]; |
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$message = $matches[2]; |
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} else { |
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$category = 'app'; |
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} |
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$message = $this->getMessageSource($category)->translate($category, $message, $language); |
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if (!is_array($params)) { |
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$params = array($params); |
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} |
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if (isset($params[0])) { |
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$message = $this->getPluralForm($message, $params[0], $language); |
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if (!isset($params['{n}'])) { |
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$params['{n}'] = $params[0]; |
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} |
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unset($params[0]); |
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} |
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return $params === array() ? $message : strtr($message, $params); |
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} |
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public function getMessageSource($category) |
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{ |
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if (isset($this->translations[$category])) { |
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$source = $this->translations[$category]; |
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} else { |
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// try wildcard matching |
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foreach ($this->translations as $pattern => $config) { |
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if (substr($pattern, -1) === '*' && strpos($category, rtrim($pattern, '*')) === 0) { |
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$source = $config; |
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break; |
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} |
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} |
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} |
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if (isset($source)) { |
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return $source instanceof MessageSource ? $source : Yii::createObject($source); |
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} else { |
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throw new InvalidConfigException("Unable to locate message source for category '$category'."); |
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} |
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} |
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public function getLocale($language) |
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{ |
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} |
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protected function getPluralForm($message, $number, $language) |
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{ |
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if (strpos($message, '|') === false) { |
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return $message; |
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} |
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$chunks = explode('|', $message); |
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$rules = $this->getLocale($language)->getPluralRules(); |
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foreach ($rules as $i => $rule) { |
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if (isset($chunks[$i]) && $this->evaluate($rule, $number)) { |
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return $chunks[$i]; |
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} |
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} |
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$n = count($rules); |
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return isset($chunks[$n]) ? $chunks[$n] : $chunks[0]; |
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} |
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/** |
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* Evaluates a PHP expression with the given number value. |
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* @param string $expression the PHP expression |
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* @param mixed $n the number value |
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* @return boolean the expression result |
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*/ |
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protected function evaluate($expression, $n) |
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{ |
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return @eval("return $expression;"); |
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} |
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}
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