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<?php
/**
* Tplfunc Runtime Methods callTemplateFunction
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*
**/
class Smarty_Internal_Runtime_TplFunction
{
/**
* Call template function
*
* @param \Smarty_Internal_Template $tpl template object
* @param string $name template function name
* @param array $params parameter array
* @param bool $nocache true if called nocache
*
* @throws \SmartyException
*/
public function callTemplateFunction(\Smarty_Internal_Template $tpl, $name, $params, $nocache)
{
if (isset($tpl->tpl_function[$name])) {
if (!$tpl->caching || ($tpl->caching && $nocache)) {
$function = $tpl->tpl_function[$name]['call_name'];
} else {
if (isset($tpl->tpl_function[$name]['call_name_caching'])) {
$function = $tpl->tpl_function[$name]['call_name_caching'];
} else {
$function = $tpl->tpl_function[$name]['call_name'];
}
}
if (function_exists($function)) {
$function ($tpl, $params);
return;
}
// try to load template function dynamically
if ($this->addTplFuncToCache($tpl, $name, $function)) {
$function ($tpl, $params);
return;
}
}
throw new SmartyException("Unable to find template function '{$name}'");
}
/**
*
* Add template function to cache file for nocache calls
*
* @param Smarty_Internal_Template $tpl
* @param string $_name template function name
* @param string $_function PHP function name
*
* @return bool
*/
public function addTplFuncToCache(Smarty_Internal_Template $tpl, $_name, $_function)
{
$funcParam = $tpl->tpl_function[$_name];
if (is_file($funcParam['compiled_filepath'])) {
// read compiled file
$code = file_get_contents($funcParam['compiled_filepath']);
// grab template function
if (preg_match("/\/\* {$_function} \*\/([\S\s]*?)\/\*\/ {$_function} \*\//", $code, $match)) {
// grab source info from file dependency
preg_match("/\s*'{$funcParam['uid']}'([\S\s]*?)\),/", $code, $match1);
unset($code);
// make PHP function known
eval($match[0]);
if (function_exists($_function)) {
// search cache file template
$tplPtr = $tpl;
while (!isset($tplPtr->cached) && isset($tplPtr->parent)) {
$tplPtr = $tplPtr->parent;
}
// add template function code to cache file
if (isset($tplPtr->cached)) {
$cache = $tplPtr->cached;
$content = $cache->read($tplPtr);
if ($content) {
// check if we must update file dependency
if (!preg_match("/'{$funcParam['uid']}'(.*?)'nocache_hash'/", $content, $match2)) {
$content = preg_replace("/('file_dependency'(.*?)\()/", "\\1{$match1[0]}", $content);
}
$tplPtr->smarty->ext->_updateCache->write($cache, $tplPtr, preg_replace('/\s*\?>\s*$/', "\n", $content) . "\n" .
preg_replace(array('/^\s*<\?php\s+/', '/\s*\?>\s*$/'), "\n",
$match[0]));
}
}
return true;
}
}
}
return false;
}
}
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