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CGettextMessageSource

system.i18n
继承 class CGettextMessageSource » CMessageSource » CApplicationComponent » CComponent
实现 IApplicationComponent
可用自 1.0
源码 framework/i18n/CGettextMessageSource.php
CGettextMessageSource represents a message source that is based on GNU Gettext.

Each CGettextMessageSource instance represents the message translations for a single domain. And each message category represents a message context in Gettext. Translated messages are stored as either a MO or PO file, depending on the useMoFile property value.

All translations are saved under the basePath directory. Translations in one language are kept as MO or PO files under an individual subdirectory whose name is the language ID. The file name is specified via catalog property, which defaults to 'messages'.

公共属性

隐藏继承的属性

属性类型描述被定义在
basePath string the base path for all translated messages. CGettextMessageSource
behaviors array the behaviors that should be attached to this component. CApplicationComponent
cacheID string the ID of the cache application component that is used to cache the messages. CGettextMessageSource
cachingDuration integer the time in seconds that the messages can remain valid in cache. CGettextMessageSource
catalog string the message catalog name. CGettextMessageSource
forceTranslation boolean whether to force message translation when the source and target languages are the same. CMessageSource
isInitialized boolean Checks if this application component has been initialized. CApplicationComponent
language string the language that the source messages are written in. CMessageSource
useBigEndian boolean whether to use Big Endian to read MO files. CGettextMessageSource
useMoFile boolean whether to load messages from MO files. CGettextMessageSource

公共方法

隐藏继承的方法

方法描述被定义在
__call() Calls the named method which is not a class method. CComponent
__get() Returns a property value, an event handler list or a behavior based on its name. CComponent
__isset() Checks if a property value is null. CComponent
__set() Sets value of a component property. CComponent
__unset() Sets a component property to be null. CComponent
asa() Returns the named behavior object. CComponent
attachBehavior() Attaches a behavior to this component. CComponent
attachBehaviors() Attaches a list of behaviors to the component. CComponent
attachEventHandler() Attaches an event handler to an event. CComponent
canGetProperty() Determines whether a property can be read. CComponent
canSetProperty() Determines whether a property can be set. CComponent
detachBehavior() Detaches a behavior from the component. CComponent
detachBehaviors() Detaches all behaviors from the component. CComponent
detachEventHandler() Detaches an existing event handler. CComponent
disableBehavior() Disables an attached behavior. CComponent
disableBehaviors() Disables all behaviors attached to this component. CComponent
enableBehavior() Enables an attached behavior. CComponent
enableBehaviors() Enables all behaviors attached to this component. CComponent
evaluateExpression() Evaluates a PHP expression or callback under the context of this component. CComponent
getEventHandlers() Returns the list of attached event handlers for an event. CComponent
getIsInitialized() Checks if this application component has been initialized. CApplicationComponent
getLanguage() Returns the language that the source messages are written in. Defaults to application language. CMessageSource
hasEvent() Determines whether an event is defined. CComponent
hasEventHandler() Checks whether the named event has attached handlers. CComponent
hasProperty() Determines whether a property is defined. CComponent
init() Initializes the application component. CGettextMessageSource
onMissingTranslation() Raised when a message cannot be translated. CMessageSource
raiseEvent() Raises an event. CComponent
setLanguage() Sets the language that the source messages are written in. CMessageSource
translate() Translates a message to the specified language. CMessageSource

受保护的方法

隐藏继承的方法

方法描述被定义在
loadMessages() Loads the message translation for the specified language and category. CGettextMessageSource
translateMessage() Translates the specified message. CMessageSource

事件

隐藏继承的事件

事件描述被定义在
onMissingTranslation Raised when a message cannot be translated. CMessageSource

属性详情

basePath 属性
public string $basePath;

the base path for all translated messages. Defaults to null, meaning the "messages" subdirectory of the application directory (e.g. "protected/messages").

cacheID 属性
public string $cacheID;

the ID of the cache application component that is used to cache the messages. Defaults to 'cache' which refers to the primary cache application component. Set this property to false if you want to disable caching the messages.

cachingDuration 属性
public integer $cachingDuration;

the time in seconds that the messages can remain valid in cache. Defaults to 0, meaning the caching is disabled.

catalog 属性
public string $catalog;

the message catalog name. This is the name of the message file (without extension) that stores the translated messages. Defaults to 'messages'.

useBigEndian 属性
public boolean $useBigEndian;

whether to use Big Endian to read MO files. Defaults to false. This property is only used when useMoFile is true.

useMoFile 属性
public boolean $useMoFile;

whether to load messages from MO files. Defaults to true. If false, messages will be loaded from PO files.

方法详情

init() 方法
public void init()
源码: framework/i18n/CGettextMessageSource.php#71 (显示)
public function init()
{
    
parent::init();
    if(
$this->basePath===null)
        
$this->basePath=Yii::getPathOfAlias('application.messages');
}

Initializes the application component. This method overrides the parent implementation by preprocessing the user request data.

loadMessages() 方法
protected array loadMessages(string $category, string $language)
$category string the message category
$language string the target language
{return} array the loaded messages
源码: framework/i18n/CGettextMessageSource.php#84 (显示)
protected function loadMessages($category$language)
{
    
$messageFile=$this->basePath DIRECTORY_SEPARATOR $language DIRECTORY_SEPARATOR $this->catalog;
    if(
$this->useMoFile)
        
$messageFile.=self::MO_FILE_EXT;
    else
        
$messageFile.=self::PO_FILE_EXT;

    if (
$this->cachingDuration && $this->cacheID!==false && ($cache=Yii::app()->getComponent($this->cacheID))!==null)
    {
        
$key self::CACHE_KEY_PREFIX $messageFile "." $category;
        if ((
$data=$cache->get($key)) !== false)
            return 
unserialize($data);
    }

    if (
is_file($messageFile))
    {
        if(
$this->useMoFile)
            
$file=new CGettextMoFile($this->useBigEndian);
        else
            
$file=new CGettextPoFile();
        
$messages=$file->load($messageFile,$category);
        if(isset(
$cache))
        {
            
$dependency=new CFileCacheDependency($messageFile);
            
$cache->set($key,serialize($messages),$this->cachingDuration,$dependency);
        }
        return 
$messages;
    }
    else
        return array();
}

Loads the message translation for the specified language and category.