core.load_plugins.php
上传用户:xjjlds
上传日期:2015-12-05
资源大小:22823k
文件大小:4k
- <?php
- /**
- * Smarty plugin
- * @package Smarty
- * @subpackage plugins
- */
- /**
- * Load requested plugins
- *
- * @param array $plugins
- */
- // $plugins
- function smarty_core_load_plugins($params, &$smarty)
- {
- foreach ($params['plugins'] as $_plugin_info) {
- list($_type, $_name, $_tpl_file, $_tpl_line, $_delayed_loading) = $_plugin_info;
- $_plugin = &$smarty->_plugins[$_type][$_name];
- /*
- * We do not load plugin more than once for each instance of Smarty.
- * The following code checks for that. The plugin can also be
- * registered dynamically at runtime, in which case template file
- * and line number will be unknown, so we fill them in.
- *
- * The final element of the info array is a flag that indicates
- * whether the dynamically registered plugin function has been
- * checked for existence yet or not.
- */
- if (isset($_plugin)) {
- if (empty($_plugin[3])) {
- if (!is_callable($_plugin[0])) {
- $smarty->_trigger_fatal_error("[plugin] $_type '$_name' is not implemented", $_tpl_file, $_tpl_line, __FILE__, __LINE__);
- } else {
- $_plugin[1] = $_tpl_file;
- $_plugin[2] = $_tpl_line;
- $_plugin[3] = true;
- if (!isset($_plugin[4])) $_plugin[4] = true; /* cacheable */
- }
- }
- continue;
- } else if ($_type == 'insert') {
- /*
- * For backwards compatibility, we check for insert functions in
- * the symbol table before trying to load them as a plugin.
- */
- $_plugin_func = 'insert_' . $_name;
- if (function_exists($_plugin_func)) {
- $_plugin = array($_plugin_func, $_tpl_file, $_tpl_line, true, false);
- continue;
- }
- }
- $_plugin_file = $smarty->_get_plugin_filepath($_type, $_name);
- if (! $_found = ($_plugin_file != false)) {
- $_message = "could not load plugin file '$_type.$_name.php'n";
- }
- /*
- * If plugin file is found, it -must- provide the properly named
- * plugin function. In case it doesn't, simply output the error and
- * do not fall back on any other method.
- */
- if ($_found) {
- include_once $_plugin_file;
- $_plugin_func = 'smarty_' . $_type . '_' . $_name;
- if (!function_exists($_plugin_func)) {
- $smarty->_trigger_fatal_error("[plugin] function $_plugin_func() not found in $_plugin_file", $_tpl_file, $_tpl_line, __FILE__, __LINE__);
- continue;
- }
- }
- /*
- * In case of insert plugins, their code may be loaded later via
- * 'script' attribute.
- */
- else if ($_type == 'insert' && $_delayed_loading) {
- $_plugin_func = 'smarty_' . $_type . '_' . $_name;
- $_found = true;
- }
- /*
- * Plugin specific processing and error checking.
- */
- if (!$_found) {
- if ($_type == 'modifier') {
- /*
- * In case modifier falls back on using PHP functions
- * directly, we only allow those specified in the security
- * context.
- */
- if ($smarty->security && !in_array($_name, $smarty->security_settings['MODIFIER_FUNCS'])) {
- $_message = "(secure mode) modifier '$_name' is not allowed";
- } else {
- if (!function_exists($_name)) {
- $_message = "modifier '$_name' is not implemented";
- } else {
- $_plugin_func = $_name;
- $_found = true;
- }
- }
- } else if ($_type == 'function') {
- /*
- * This is a catch-all situation.
- */
- $_message = "unknown tag - '$_name'";
- }
- }
- if ($_found) {
- $smarty->_plugins[$_type][$_name] = array($_plugin_func, $_tpl_file, $_tpl_line, true, true);
- } else {
- // output error
- $smarty->_trigger_fatal_error('[plugin] ' . $_message, $_tpl_file, $_tpl_line, __FILE__, __LINE__);
- }
- }
- }
- /* vim: set expandtab: */
- ?>