/**
* Loads a particular message catalogue. Use read() to
* to get the array of messages. The catalogue loading sequence
* is as follows:
*
* # [1] Call getCatalogueList($catalogue) to get a list of variants for for the specified $catalogue.
* # [2] For each of the variants, call getSource($variant) to get the resource, could be a file or catalogue ID.
* # [3] Verify that this resource is valid by calling isValidSource($source)
* # [4] Try to get the messages from the cache
* # [5] If a cache miss, call load($source) to load the message array
* # [6] Store the messages to cache.
* # [7] Continue with the foreach loop, e.g. goto [2].
*
* @param string a catalogue to load
* @return boolean always true
* @see read()
*/
function load($catalogue = 'messages')
{
$variants = $this->getCatalogueList($catalogue);
$this->messages = array();
foreach ($variants as $variant) {
$source = $this->getSource($variant);
if ($this->isValidSource($source) == false) {
continue;
}
$loadData = true;
if ($this->cache) {
$data = $this->cache->get($variant, $this->culture, $this->getLastModified($source));
if (is_array($data)) {
$this->messages[$variant] = $data;
$loadData = false;
}
unset($data);
}
if ($loadData) {
$data =& $this->loadData($source);
if (is_array($data)) {
$this->messages[$variant] = $data;
if ($this->cache) {
$this->cache->save($data, $variant, $this->culture);
}
}
unset($data);
}
}
return true;
}
public function createMessageSource($dir)
{
if (in_array(sfConfig::get('sf_i18n_source'), array('Creole', 'MySQL', 'SQLite'))) {
$messageSource = sfMessageSource::factory(sfConfig::get('sf_i18n_source'), sfConfig::get('sf_i18n_database', 'default'));
} else {
$messageSource = sfMessageSource::factory(sfConfig::get('sf_i18n_source'), $dir);
}
if (sfConfig::get('sf_i18n_cache')) {
$subdir = str_replace(str_replace('/', DIRECTORY_SEPARATOR, sfConfig::get('sf_root_dir')), '', $dir);
$cacheDir = str_replace('/', DIRECTORY_SEPARATOR, sfConfig::get('sf_i18n_cache_dir') . $subdir);
$cache = new sfMessageCache();
$cache->initialize(array('cacheDir' => $cacheDir, 'lifeTime' => 86400));
$messageSource->setCache($cache);
}
return $messageSource;
}
