blob: 6cf4188a2e75f27bfad4874f63e31cda25c7bea6 (
plain) (
tree)
|
|
<?php
/**
* Smarty Internal Plugin Function Call Handler
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*/
/**
* This class does handles template functions defined with the {function} tag missing in cache file.
* It can happen when the template function was called with the nocache option or within a nocache section.
* The template function will be loaded from it's compiled template file, executed and added to the cache file
* for later use.
*
* @package Smarty
* @subpackage PluginsInternal
*/
class Smarty_Internal_Function_Call_Handler
{
/**
* This function handles calls to template functions defined by {function}
* It does create a PHP function at the first call
*
* @param string $_name template function name
* @param Smarty_Internal_Template $_smarty_tpl
* @param string $_function PHP function name
* @param array $_params Smarty variables passed as call parameter
* @param bool $_nocache nocache flag
*
* @return bool
*/
public static function call($_name, Smarty_Internal_Template $_smarty_tpl, $_function, $_params, $_nocache)
{
$funcParam = $_smarty_tpl->properties['tpl_function'][$_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);
$output = '';
// make PHP function known
eval($match[0]);
if (function_exists($_function)) {
// search cache file template
$tplPtr = $_smarty_tpl;
while (!isset($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']}'([\S\s]*?)'nocache_hash'/", $content, $match2)) {
$content = preg_replace("/('file_dependency'([\S\s]*?)\()/", "\\1{$match1[0]}", $content);
}
$cache->write($tplPtr, $content . "<?php " . $match[0] . "?>\n");
}
}
return true;
}
}
}
return false;
}
}
|