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