public function before(PHPTAL_Php_CodeWriter $codewriter)
{
$this->tmp_var = $codewriter->createTempVariable();
$codewriter->doSetVar($this->tmp_var, $codewriter->interpolateTalesVarsInString($this->expression));
$codewriter->doIf('$ctx->hasSlot(' . $this->tmp_var . ')');
$codewriter->pushCode('$ctx->echoSlot(' . $this->tmp_var . ')');
$codewriter->doElse();
}
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
// ensure a domain stack exists or create it
$codewriter->doIf('!isset($_i18n_domains)');
$codewriter->pushCode('$_i18n_domains = array()');
$codewriter->doEnd('if');
$expression = $codewriter->interpolateTalesVarsInString($this->expression);
// push current domain and use new domain
$code = '$_i18n_domains[] = ' . $codewriter->getTranslatorReference() . '->useDomain(' . $expression . ')';
$codewriter->pushCode($code);
}