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							125 lines
						
					
					
						
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							125 lines
						
					
					
						
							4.3 KiB
						
					
					
				| <?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: */ | |
| 
 | |
| ?>
 | |
| 
 |