vendor/smarty/smarty/libs/sysplugins/smarty_internal_runtime_filterhandler.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Filter Handler
   4  * Smarty filter handler class
   5  *
   6  * @package    Smarty
   7  * @subpackage PluginsInternal
   8  * @author     Uwe Tews
   9  */
  10
  11 /**
  12  * Class for filter processing
  13  *
  14  * @package    Smarty
  15  * @subpackage PluginsInternal
  16  */
  17 class Smarty_Internal_Runtime_FilterHandler
  18 {
  19     /**
  20      * Run filters over content
  21      * The filters will be lazy loaded if required
  22      * class name format: Smarty_FilterType_FilterName
  23      * plugin filename format: filtertype.filtername.php
  24      * Smarty2 filter plugins could be used
  25      *
  26      * @param  string                   $type     the type of filter ('pre','post','output') which shall run
  27      * @param  string                   $content  the content which shall be processed by the filters
  28      * @param  Smarty_Internal_Template $template template object
  29      *
  30      * @throws SmartyException
  31      * @return string                   the filtered content
  32      */
  33     public function runFilter($type, $content, Smarty_Internal_Template $template)
  34     {
  35         // loop over autoload filters of specified type
  36         if (!empty($template->smarty->autoload_filters[ $type ])) {
  37             foreach ((array) $template->smarty->autoload_filters[ $type ] as $name) {
  38                 $plugin_name = "Smarty_{$type}filter_{$name}";
  39                 if (function_exists($plugin_name)) {
  40                     $callback = $plugin_name;
  41                 } elseif (class_exists($plugin_name, false) && is_callable(array($plugin_name, 'execute'))) {
  42                     $callback = array($plugin_name, 'execute');
  43                 } elseif ($template->smarty->loadPlugin($plugin_name, false)) {
  44                     if (function_exists($plugin_name)) {
  45                         // use loaded Smarty2 style plugin
  46                         $callback = $plugin_name;
  47                     } elseif (class_exists($plugin_name, false) && is_callable(array($plugin_name, 'execute'))) {
  48                         // loaded class of filter plugin
  49                         $callback = array($plugin_name, 'execute');
  50                     } else {
  51                         throw new SmartyException("Auto load {$type}-filter plugin method \"{$plugin_name}::execute\" not callable");
  52                     }
  53                 } else {
  54                     // nothing found, throw exception
  55                     throw new SmartyException("Unable to auto load {$type}-filter plugin \"{$plugin_name}\"");
  56                 }
  57                 $content = call_user_func($callback, $content, $template);
  58             }
  59         }
  60         // loop over registered filters of specified type
  61         if (!empty($template->smarty->registered_filters[ $type ])) {
  62             foreach ($template->smarty->registered_filters[ $type ] as $key => $name) {
  63                 $content = call_user_func($template->smarty->registered_filters[ $type ][ $key ], $content, $template);
  64             }
  65         }
  66         // return filtered output
  67         return $content;
  68     }
  69 }