/**
* Call template function
*
* @param string $name template function name
* @param object|\Smarty_Internal_Template $_smarty_tpl template object
* @param array $params parameter array
* @param bool $nocache true if called nocache
*
* @throws \SmartyException
*/
public function callTemplateFunction($name, Smarty_Internal_Template $_smarty_tpl, $params, $nocache)
{
if (isset($_smarty_tpl->tpl_function[$name])) {
if (!$_smarty_tpl->caching || $_smarty_tpl->caching && $nocache) {
$function = $_smarty_tpl->tpl_function[$name]['call_name'];
} else {
if (isset($_smarty_tpl->tpl_function[$name]['call_name_caching'])) {
$function = $_smarty_tpl->tpl_function[$name]['call_name_caching'];
} else {
$function = $_smarty_tpl->tpl_function[$name]['call_name'];
}
}
if (function_exists($function)) {
$function($_smarty_tpl, $params);
return;
}
// try to load template function dynamically
if (Smarty_Internal_Function_Call_Handler::call($name, $_smarty_tpl, $function)) {
$function($_smarty_tpl, $params);
return;
}
}
throw new SmartyException("Unable to find template function '{$name}'");
}
/**
* Call template function
*
* @param string $name template function name
* @param \Smarty_Internal_Template $_smarty_tpl template object
* @param array $params parameter array
* @param $cm
*
* @throws \SmartyException
*
*/
public function callTemplateFunction($name, Smarty_Internal_Template $_smarty_tpl, $params, $cm)
{
if (isset($_smarty_tpl->context->templateFunctions[$name])) {
if ($cm) {
$function = $_smarty_tpl->context->templateFunctions[$name]['methodCaching'];
} else {
$function = $_smarty_tpl->context->templateFunctions[$name]['method'];
}
$obj = $_smarty_tpl->context->templateFunctions[$name]['obj'];
if (is_callable(array($obj, $function))) {
$obj->{$function}($_smarty_tpl, $params);
return;
}
// try to load template function dynamically
if (Smarty_Internal_Function_Call_Handler::call($name, $_smarty_tpl, $params, $function, $_smarty_tpl->context->templateFunctions[$name]['compiled_filepath'])) {
$obj = $_smarty_tpl->context->templateFunctions[$name]['obj'];
if (is_callable(array($obj, $function))) {
$obj->{$function}($_smarty_tpl, $params);
return;
}
}
}
throw new SmartyException("Unable to find template function '{$name}'");
}
/**
* Renders the Smarty template function.
*
* Thanks to Uwe Tews for providing information on Smarty inner workings
* allowing the call to the template function from within the plugin:
* {@link http://stackoverflow.com/questions/9152047/in-smarty3-call-a-template-function-defined-by-the-function-tag-from-within-a}.
*
* \Smarty_Internal_Function_Call_Handler is defined in file
* smarty/libs/sysplugins/smarty_internal_function_call_handler.php.
*
* @note The template functions do not return the HTML output, but put it
* directly into the output buffer.
*
* @param Smarty_Internal_Template|string $template A template object or resource path
* @param string $name Function name
* @param array $attributes Attributes to pass to the template function
*/
public function renderTemplateFunction($template, $name, array $attributes = array())
{
if (!$template instanceof \Smarty_Internal_Template) {
$template = $this->createTemplate($template);
}
if ($template->caching) {
\Smarty_Internal_Function_Call_Handler::call($name, $template, $attributes, $template->properties['nocache_hash'], false);
} else {
if (is_callable($function = 'smarty_template_function_' . $name)) {
$function($template, $attributes);
} else {
throw new RuntimeException(sprintf('Template function "%s" is not defined in "%s".', $name, $template->source->filepath), -1, null, $template);
}
}
}
