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joko |
1.1 |
<?php |
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/** |
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* Smarty plugin |
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* @package Smarty |
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* @subpackage plugins |
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*/ |
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/** |
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* Load requested plugins |
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* |
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* @param array $plugins |
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*/ |
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// $plugins |
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function smarty_core_load_plugins($params, &$smarty) |
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{ |
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foreach ($params['plugins'] as $_plugin_info) { |
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list($_type, $_name, $_tpl_file, $_tpl_line, $_delayed_loading) = $_plugin_info; |
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$_plugin = &$smarty->_plugins[$_type][$_name]; |
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/* |
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* We do not load plugin more than once for each instance of Smarty. |
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* The following code checks for that. The plugin can also be |
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* registered dynamically at runtime, in which case template file |
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* and line number will be unknown, so we fill them in. |
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* |
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* The final element of the info array is a flag that indicates |
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* whether the dynamically registered plugin function has been |
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* checked for existence yet or not. |
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*/ |
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if (isset($_plugin)) { |
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if (empty($_plugin[3])) { |
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if (!is_callable($_plugin[0])) { |
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$smarty->_trigger_fatal_error("[plugin] $_type '$_name' is not implemented", $_tpl_file, $_tpl_line, __FILE__, __LINE__); |
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} else { |
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$_plugin[1] = $_tpl_file; |
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$_plugin[2] = $_tpl_line; |
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$_plugin[3] = true; |
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if (!isset($_plugin[4])) $_plugin[4] = true; /* cacheable */ |
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} |
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} |
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continue; |
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} else if ($_type == 'insert') { |
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/* |
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* For backwards compatibility, we check for insert functions in |
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* the symbol table before trying to load them as a plugin. |
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*/ |
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$_plugin_func = 'insert_' . $_name; |
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if (function_exists($_plugin_func)) { |
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$_plugin = array($_plugin_func, $_tpl_file, $_tpl_line, true, false); |
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continue; |
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} |
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} |
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$_plugin_file = $smarty->_get_plugin_filepath($_type, $_name); |
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if (! $_found = ($_plugin_file != false)) { |
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$_message = "could not load plugin file '$_type.$_name.php'\n"; |
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} |
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/* |
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* If plugin file is found, it -must- provide the properly named |
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* plugin function. In case it doesn't, simply output the error and |
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* do not fall back on any other method. |
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*/ |
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if ($_found) { |
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include_once $_plugin_file; |
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$_plugin_func = 'smarty_' . $_type . '_' . $_name; |
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if (!function_exists($_plugin_func)) { |
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$smarty->_trigger_fatal_error("[plugin] function $_plugin_func() not found in $_plugin_file", $_tpl_file, $_tpl_line, __FILE__, __LINE__); |
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continue; |
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} |
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} |
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/* |
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* In case of insert plugins, their code may be loaded later via |
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* 'script' attribute. |
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*/ |
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else if ($_type == 'insert' && $_delayed_loading) { |
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$_plugin_func = 'smarty_' . $_type . '_' . $_name; |
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$_found = true; |
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} |
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/* |
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* Plugin specific processing and error checking. |
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*/ |
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if (!$_found) { |
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if ($_type == 'modifier') { |
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/* |
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* In case modifier falls back on using PHP functions |
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* directly, we only allow those specified in the security |
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* context. |
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*/ |
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if ($smarty->security && !in_array($_name, $smarty->security_settings['MODIFIER_FUNCS'])) { |
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$_message = "(secure mode) modifier '$_name' is not allowed"; |
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} else { |
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if (!function_exists($_name)) { |
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$_message = "modifier '$_name' is not implemented"; |
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} else { |
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$_plugin_func = $_name; |
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$_found = true; |
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} |
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} |
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} else if ($_type == 'function') { |
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/* |
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* This is a catch-all situation. |
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*/ |
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$_message = "unknown tag - '$_name'"; |
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} |
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} |
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if ($_found) { |
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$smarty->_plugins[$_type][$_name] = array($_plugin_func, $_tpl_file, $_tpl_line, true, true); |
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} else { |
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// output error |
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$smarty->_trigger_fatal_error('[plugin] ' . $_message, $_tpl_file, $_tpl_line, __FILE__, __LINE__); |
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} |
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} |
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} |
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/* vim: set expandtab: */ |
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?> |
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