packages/ssoinabox-webui/root/usr/local/share/ssoinabox/htdocs/includes/smarty/sysplugins/smarty_internal_templatebase.php
changeset 0 3906ca745819
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-1:000000000000 0:3906ca745819
       
     1 <?php
       
     2 /**
       
     3  * Smarty Internal Plugin Smarty Template  Base
       
     4  *
       
     5  * This file contains the basic shared methodes for template handling
       
     6  *
       
     7  * @package Smarty
       
     8  * @subpackage Template
       
     9  * @author Uwe Tews
       
    10  */
       
    11 
       
    12 /**
       
    13  * Class with shared template methodes
       
    14  *
       
    15  * @package Smarty
       
    16  * @subpackage Template
       
    17  */
       
    18 abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data {
       
    19 
       
    20     /**
       
    21      * fetches a rendered Smarty template
       
    22      *
       
    23      * @param string $template          the resource handle of the template file or template object
       
    24      * @param mixed  $cache_id          cache id to be used with this template
       
    25      * @param mixed  $compile_id        compile id to be used with this template
       
    26      * @param object $parent            next higher level of Smarty variables
       
    27      * @param bool   $display           true: display, false: fetch
       
    28      * @param bool   $merge_tpl_vars    if true parent template variables merged in to local scope
       
    29      * @param bool   $no_output_filter  if true do not run output filter
       
    30      * @return string rendered template output
       
    31      */
       
    32     public function fetch($template = null, $cache_id = null, $compile_id = null, $parent = null, $display = false, $merge_tpl_vars = true, $no_output_filter = false)
       
    33     {
       
    34         if ($template === null && $this instanceof $this->template_class) {
       
    35             $template = $this;
       
    36         }
       
    37         if (!empty($cache_id) && is_object($cache_id)) {
       
    38             $parent = $cache_id;
       
    39             $cache_id = null;
       
    40         }
       
    41         if ($parent === null && ($this instanceof Smarty || is_string($template))) {
       
    42             $parent = $this;
       
    43         }
       
    44         // create template object if necessary
       
    45         $_template = ($template instanceof $this->template_class)
       
    46         ? $template
       
    47         : $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);
       
    48         // if called by Smarty object make sure we use current caching status
       
    49         if ($this instanceof Smarty) {
       
    50             $_template->caching = $this->caching;
       
    51         }
       
    52         // merge all variable scopes into template
       
    53         if ($merge_tpl_vars) {
       
    54             // save local variables
       
    55             $save_tpl_vars = $_template->tpl_vars;
       
    56             $save_config_vars = $_template->config_vars;
       
    57             $ptr_array = array($_template);
       
    58             $ptr = $_template;
       
    59             while (isset($ptr->parent)) {
       
    60                 $ptr_array[] = $ptr = $ptr->parent;
       
    61             }
       
    62             $ptr_array = array_reverse($ptr_array);
       
    63             $parent_ptr = reset($ptr_array);
       
    64             $tpl_vars = $parent_ptr->tpl_vars;
       
    65             $config_vars = $parent_ptr->config_vars;
       
    66             while ($parent_ptr = next($ptr_array)) {
       
    67                 if (!empty($parent_ptr->tpl_vars)) {
       
    68                     $tpl_vars = array_merge($tpl_vars, $parent_ptr->tpl_vars);
       
    69                 }
       
    70                 if (!empty($parent_ptr->config_vars)) {
       
    71                     $config_vars = array_merge($config_vars, $parent_ptr->config_vars);
       
    72                 }
       
    73             }
       
    74             if (!empty(Smarty::$global_tpl_vars)) {
       
    75                 $tpl_vars = array_merge(Smarty::$global_tpl_vars, $tpl_vars);
       
    76             }
       
    77             $_template->tpl_vars = $tpl_vars;
       
    78             $_template->config_vars = $config_vars;
       
    79         }
       
    80         // dummy local smarty variable
       
    81         if (!isset($_template->tpl_vars['smarty'])) {
       
    82             $_template->tpl_vars['smarty'] = new Smarty_Variable;
       
    83         }
       
    84         if (isset($this->smarty->error_reporting)) {
       
    85             $_smarty_old_error_level = error_reporting($this->smarty->error_reporting);
       
    86         }
       
    87         // check URL debugging control
       
    88         if (!$this->smarty->debugging && $this->smarty->debugging_ctrl == 'URL') {
       
    89             if (isset($_SERVER['QUERY_STRING'])) {
       
    90                 $_query_string = $_SERVER['QUERY_STRING'];
       
    91             } else {
       
    92                 $_query_string = '';
       
    93             }
       
    94             if (false !== strpos($_query_string, $this->smarty->smarty_debug_id)) {
       
    95                 if (false !== strpos($_query_string, $this->smarty->smarty_debug_id . '=on')) {
       
    96                     // enable debugging for this browser session
       
    97                     setcookie('SMARTY_DEBUG', true);
       
    98                     $this->smarty->debugging = true;
       
    99                 } elseif (false !== strpos($_query_string, $this->smarty->smarty_debug_id . '=off')) {
       
   100                     // disable debugging for this browser session
       
   101                     setcookie('SMARTY_DEBUG', false);
       
   102                     $this->smarty->debugging = false;
       
   103                 } else {
       
   104                     // enable debugging for this page
       
   105                     $this->smarty->debugging = true;
       
   106                 }
       
   107             } else {
       
   108                 if (isset($_COOKIE['SMARTY_DEBUG'])) {
       
   109                     $this->smarty->debugging = true;
       
   110                 }
       
   111             }
       
   112         }
       
   113         // must reset merge template date
       
   114         $_template->smarty->merged_templates_func = array();
       
   115         // get rendered template
       
   116         // disable caching for evaluated code
       
   117         if ($_template->source->recompiled) {
       
   118             $_template->caching = false;
       
   119         }
       
   120         // checks if template exists
       
   121         if (!$_template->source->exists) {
       
   122             if ($_template->parent instanceof Smarty_Internal_Template) {
       
   123                 $parent_resource = " in '{$_template->parent->template_resource}'";
       
   124             } else {
       
   125                 $parent_resource = '';
       
   126             }
       
   127             throw new SmartyException("Unable to load template {$_template->source->type} '{$_template->source->name}'{$parent_resource}");
       
   128         }
       
   129         // read from cache or render
       
   130         if (!($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || !$_template->cached->valid) {
       
   131             // render template (not loaded and not in cache)
       
   132             if (!$_template->source->uncompiled) {
       
   133                 $_smarty_tpl = $_template;
       
   134                 if ($_template->source->recompiled) {
       
   135                     if ($this->smarty->debugging) {
       
   136                         Smarty_Internal_Debug::start_compile($_template);
       
   137                     }
       
   138                     $code = $_template->compiler->compileTemplate($_template);
       
   139                     if ($this->smarty->debugging) {
       
   140                         Smarty_Internal_Debug::end_compile($_template);
       
   141                     }
       
   142                     if ($this->smarty->debugging) {
       
   143                         Smarty_Internal_Debug::start_render($_template);
       
   144                     }
       
   145                     try {
       
   146                         ob_start();
       
   147                         eval("?>" . $code);
       
   148                         unset($code);
       
   149                     } catch (Exception $e) {
       
   150                         ob_get_clean();
       
   151                         throw $e;
       
   152                     }
       
   153                 } else {
       
   154                     if (!$_template->compiled->exists || ($_template->smarty->force_compile && !$_template->compiled->isCompiled)) {
       
   155                         $_template->compileTemplateSource();
       
   156                     }
       
   157                     if ($this->smarty->debugging) {
       
   158                         Smarty_Internal_Debug::start_render($_template);
       
   159                     }
       
   160                     if (!$_template->compiled->loaded) {
       
   161                         include($_template->compiled->filepath);
       
   162                         if ($_template->mustCompile) {
       
   163                             // recompile and load again
       
   164                             $_template->compileTemplateSource();
       
   165                             include($_template->compiled->filepath);
       
   166                         }
       
   167                         $_template->compiled->loaded = true;
       
   168                     } else {
       
   169                         $_template->decodeProperties($_template->compiled->_properties, false);
       
   170                     }
       
   171                     try {
       
   172                         ob_start();
       
   173                         if (empty($_template->properties['unifunc']) || !is_callable($_template->properties['unifunc'])) {
       
   174                             throw new SmartyException("Invalid compiled template for '{$_template->template_resource}'");
       
   175                         }
       
   176                         array_unshift($_template->_capture_stack,array());
       
   177                         //
       
   178                         // render compiled template
       
   179                         //
       
   180                         $_template->properties['unifunc']($_template);
       
   181                         // any unclosed {capture} tags ?
       
   182                         if (isset($_template->_capture_stack[0][0])) {
       
   183                             $_template->capture_error();
       
   184                         }
       
   185                         array_shift($_template->_capture_stack);
       
   186                     } catch (Exception $e) {
       
   187                         ob_get_clean();
       
   188                         throw $e;
       
   189                     }
       
   190                 }
       
   191             } else {
       
   192                 if ($_template->source->uncompiled) {
       
   193                     if ($this->smarty->debugging) {
       
   194                         Smarty_Internal_Debug::start_render($_template);
       
   195                     }
       
   196                     try {
       
   197                         ob_start();
       
   198                         $_template->source->renderUncompiled($_template);
       
   199                     } catch (Exception $e) {
       
   200                         ob_get_clean();
       
   201                         throw $e;
       
   202                     }
       
   203                 } else {
       
   204                     throw new SmartyException("Resource '$_template->source->type' must have 'renderUncompiled' method");
       
   205                 }
       
   206             }
       
   207             $_output = ob_get_clean();
       
   208             if (!$_template->source->recompiled && empty($_template->properties['file_dependency'][$_template->source->uid])) {
       
   209                 $_template->properties['file_dependency'][$_template->source->uid] = array($_template->source->filepath, $_template->source->timestamp, $_template->source->type);
       
   210             }
       
   211             if ($_template->parent instanceof Smarty_Internal_Template) {
       
   212                 $_template->parent->properties['file_dependency'] = array_merge($_template->parent->properties['file_dependency'], $_template->properties['file_dependency']);
       
   213                 foreach ($_template->required_plugins as $code => $tmp1) {
       
   214                     foreach ($tmp1 as $name => $tmp) {
       
   215                         foreach ($tmp as $type => $data) {
       
   216                             $_template->parent->required_plugins[$code][$name][$type] = $data;
       
   217                         }
       
   218                     }
       
   219                 }
       
   220             }
       
   221             if ($this->smarty->debugging) {
       
   222                 Smarty_Internal_Debug::end_render($_template);
       
   223             }
       
   224             // write to cache when nessecary
       
   225             if (!$_template->source->recompiled && ($_template->caching == Smarty::CACHING_LIFETIME_SAVED || $_template->caching == Smarty::CACHING_LIFETIME_CURRENT)) {
       
   226                 if ($this->smarty->debugging) {
       
   227                     Smarty_Internal_Debug::start_cache($_template);
       
   228                 }
       
   229                 $_template->properties['has_nocache_code'] = false;
       
   230                 // get text between non-cached items
       
   231                 $cache_split = preg_split("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $_output);
       
   232                 // get non-cached items
       
   233                 preg_match_all("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $_output, $cache_parts);
       
   234                 $output = '';
       
   235                 // loop over items, stitch back together
       
   236                 foreach ($cache_split as $curr_idx => $curr_split) {
       
   237                     // escape PHP tags in template content
       
   238                     $output .= preg_replace('/(<%|%>|<\?php|<\?|\?>)/', '<?php echo \'$1\'; ?>', $curr_split);
       
   239                     if (isset($cache_parts[0][$curr_idx])) {
       
   240                         $_template->properties['has_nocache_code'] = true;
       
   241                         // remove nocache tags from cache output
       
   242                         $output .= preg_replace("!/\*/?%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!", '', $cache_parts[0][$curr_idx]);
       
   243                     }
       
   244                 }
       
   245                 if (!$no_output_filter && !$_template->has_nocache_code && (isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))) {
       
   246                     $output = Smarty_Internal_Filter_Handler::runFilter('output', $output, $_template);
       
   247                 }
       
   248                 // rendering (must be done before writing cache file because of {function} nocache handling)
       
   249                 $_smarty_tpl = $_template;
       
   250                 try {
       
   251                     ob_start();
       
   252                     eval("?>" . $output);
       
   253                     $_output = ob_get_clean();
       
   254                 } catch (Exception $e) {
       
   255                     ob_get_clean();
       
   256                     throw $e;
       
   257                 }
       
   258                 // write cache file content
       
   259                 $_template->writeCachedContent($output);
       
   260                 if ($this->smarty->debugging) {
       
   261                     Smarty_Internal_Debug::end_cache($_template);
       
   262                 }
       
   263             } else {
       
   264                 // var_dump('renderTemplate', $_template->has_nocache_code, $_template->template_resource, $_template->properties['nocache_hash'], $_template->parent->properties['nocache_hash'], $_output);
       
   265                 if (!empty($_template->properties['nocache_hash']) && !empty($_template->parent->properties['nocache_hash'])) {
       
   266                     // replace nocache_hash
       
   267                     $_output = str_replace("{$_template->properties['nocache_hash']}", $_template->parent->properties['nocache_hash'], $_output);
       
   268                     $_template->parent->has_nocache_code = $_template->parent->has_nocache_code || $_template->has_nocache_code;
       
   269                 }
       
   270             }
       
   271         } else {
       
   272             if ($this->smarty->debugging) {
       
   273                 Smarty_Internal_Debug::start_cache($_template);
       
   274             }
       
   275             try {
       
   276                 ob_start();
       
   277                 array_unshift($_template->_capture_stack,array());
       
   278                 //
       
   279                 // render cached template
       
   280                 //
       
   281                 $_template->properties['unifunc']($_template);
       
   282                 // any unclosed {capture} tags ?
       
   283                 if (isset($_template->_capture_stack[0][0])) {
       
   284                     $_template->capture_error();
       
   285                 }
       
   286                 array_shift($_template->_capture_stack);
       
   287                 $_output = ob_get_clean();
       
   288             } catch (Exception $e) {
       
   289                 ob_get_clean();
       
   290                 throw $e;
       
   291             }
       
   292             if ($this->smarty->debugging) {
       
   293                 Smarty_Internal_Debug::end_cache($_template);
       
   294             }
       
   295         }
       
   296         if ((!$this->caching || $_template->has_nocache_code || $_template->source->recompiled) && !$no_output_filter && (isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))) {
       
   297             $_output = Smarty_Internal_Filter_Handler::runFilter('output', $_output, $_template);
       
   298         }
       
   299         if (isset($this->error_reporting)) {
       
   300             error_reporting($_smarty_old_error_level);
       
   301         }
       
   302         // display or fetch
       
   303         if ($display) {
       
   304             if ($this->caching && $this->cache_modified_check) {
       
   305                 $_isCached = $_template->isCached() && !$_template->has_nocache_code;
       
   306                 $_last_modified_date = @substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
       
   307                 if ($_isCached && $_template->cached->timestamp <= strtotime($_last_modified_date)) {
       
   308                     switch (PHP_SAPI) {
       
   309                         case 'cgi':         // php-cgi < 5.3
       
   310                         case 'cgi-fcgi':    // php-cgi >= 5.3
       
   311                         case 'fpm-fcgi':    // php-fpm >= 5.3.3
       
   312                         header('Status: 304 Not Modified');
       
   313                         break;
       
   314 
       
   315                         case 'cli':
       
   316                         if (/* ^phpunit */!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS'])/* phpunit$ */) {
       
   317                             $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = '304 Not Modified';
       
   318                         }
       
   319                         break;
       
   320 
       
   321                         default:
       
   322                         header($_SERVER['SERVER_PROTOCOL'].' 304 Not Modified');
       
   323                         break;
       
   324                     }
       
   325                 } else {
       
   326                     switch (PHP_SAPI) {
       
   327                         case 'cli':
       
   328                         if (/* ^phpunit */!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS'])/* phpunit$ */) {
       
   329                             $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = 'Last-Modified: ' . gmdate('D, d M Y H:i:s', $_template->cached->timestamp) . ' GMT';
       
   330                         }
       
   331                         break;
       
   332 
       
   333                         default:
       
   334                         header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $_template->cached->timestamp) . ' GMT');
       
   335                         break;
       
   336                     }
       
   337                     echo $_output;
       
   338                 }
       
   339             } else {
       
   340                 echo $_output;
       
   341             }
       
   342             // debug output
       
   343             if ($this->smarty->debugging) {
       
   344                 Smarty_Internal_Debug::display_debug($this);
       
   345             }
       
   346             if ($merge_tpl_vars) {
       
   347                 // restore local variables
       
   348                 $_template->tpl_vars = $save_tpl_vars;
       
   349                 $_template->config_vars =  $save_config_vars;
       
   350             }
       
   351             return;
       
   352         } else {
       
   353             if ($merge_tpl_vars) {
       
   354                 // restore local variables
       
   355                 $_template->tpl_vars = $save_tpl_vars;
       
   356                 $_template->config_vars =  $save_config_vars;
       
   357             }
       
   358             // return fetched content
       
   359             return $_output;
       
   360         }
       
   361     }
       
   362 
       
   363     /**
       
   364      * displays a Smarty template
       
   365      *
       
   366      * @param string $template   the resource handle of the template file or template object
       
   367      * @param mixed  $cache_id   cache id to be used with this template
       
   368      * @param mixed  $compile_id compile id to be used with this template
       
   369      * @param object $parent     next higher level of Smarty variables
       
   370      */
       
   371     public function display($template = null, $cache_id = null, $compile_id = null, $parent = null)
       
   372     {
       
   373         // display template
       
   374         $this->fetch($template, $cache_id, $compile_id, $parent, true);
       
   375     }
       
   376 
       
   377     /**
       
   378      * test if cache is valid
       
   379      *
       
   380      * @param string|object $template   the resource handle of the template file or template object
       
   381      * @param mixed         $cache_id   cache id to be used with this template
       
   382      * @param mixed         $compile_id compile id to be used with this template
       
   383      * @param object        $parent     next higher level of Smarty variables
       
   384      * @return boolean cache status
       
   385      */
       
   386     public function isCached($template = null, $cache_id = null, $compile_id = null, $parent = null)
       
   387     {
       
   388         if ($template === null && $this instanceof $this->template_class) {
       
   389             return $this->cached->valid;
       
   390         }
       
   391         if (!($template instanceof $this->template_class)) {
       
   392             if ($parent === null) {
       
   393                 $parent = $this;
       
   394             }
       
   395             $template = $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);
       
   396         }
       
   397         // return cache status of template
       
   398         return $template->cached->valid;
       
   399     }
       
   400 
       
   401     /**
       
   402      * creates a data object
       
   403      *
       
   404      * @param object $parent next higher level of Smarty variables
       
   405      * @returns Smarty_Data data object
       
   406      */
       
   407     public function createData($parent = null)
       
   408     {
       
   409         return new Smarty_Data($parent, $this);
       
   410     }
       
   411 
       
   412     /**
       
   413      * Registers plugin to be used in templates
       
   414      *
       
   415      * @param string   $type       plugin type
       
   416      * @param string   $tag        name of template tag
       
   417      * @param callback $callback   PHP callback to register
       
   418      * @param boolean  $cacheable  if true (default) this fuction is cachable
       
   419      * @param array    $cache_attr caching attributes if any
       
   420      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   421      * @throws SmartyException when the plugin tag is invalid
       
   422      */
       
   423     public function registerPlugin($type, $tag, $callback, $cacheable = true, $cache_attr = null)
       
   424     {
       
   425         if (isset($this->smarty->registered_plugins[$type][$tag])) {
       
   426             throw new SmartyException("Plugin tag \"{$tag}\" already registered");
       
   427         } elseif (!is_callable($callback)) {
       
   428             throw new SmartyException("Plugin \"{$tag}\" not callable");
       
   429         } else {
       
   430             $this->smarty->registered_plugins[$type][$tag] = array($callback, (bool) $cacheable, (array) $cache_attr);
       
   431         }
       
   432 
       
   433         return $this;
       
   434     }
       
   435 
       
   436     /**
       
   437      * Unregister Plugin
       
   438      *
       
   439      * @param string $type of plugin
       
   440      * @param string $tag name of plugin
       
   441      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   442      */
       
   443     public function unregisterPlugin($type, $tag)
       
   444     {
       
   445         if (isset($this->smarty->registered_plugins[$type][$tag])) {
       
   446             unset($this->smarty->registered_plugins[$type][$tag]);
       
   447         }
       
   448 
       
   449         return $this;
       
   450     }
       
   451 
       
   452     /**
       
   453      * Registers a resource to fetch a template
       
   454      *
       
   455      * @param string $type name of resource type
       
   456      * @param Smarty_Resource|array $callback or instance of Smarty_Resource, or array of callbacks to handle resource (deprecated)
       
   457      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   458      */
       
   459     public function registerResource($type, $callback)
       
   460     {
       
   461         $this->smarty->registered_resources[$type] = $callback instanceof Smarty_Resource ? $callback : array($callback, false);
       
   462         return $this;
       
   463     }
       
   464 
       
   465     /**
       
   466      * Unregisters a resource
       
   467      *
       
   468      * @param string $type name of resource type
       
   469      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   470      */
       
   471     public function unregisterResource($type)
       
   472     {
       
   473         if (isset($this->smarty->registered_resources[$type])) {
       
   474             unset($this->smarty->registered_resources[$type]);
       
   475         }
       
   476 
       
   477         return $this;
       
   478     }
       
   479 
       
   480     /**
       
   481      * Registers a cache resource to cache a template's output
       
   482      *
       
   483      * @param string               $type     name of cache resource type
       
   484      * @param Smarty_CacheResource $callback instance of Smarty_CacheResource to handle output caching
       
   485      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   486      */
       
   487     public function registerCacheResource($type, Smarty_CacheResource $callback)
       
   488     {
       
   489         $this->smarty->registered_cache_resources[$type] = $callback;
       
   490         return $this;
       
   491     }
       
   492 
       
   493     /**
       
   494      * Unregisters a cache resource
       
   495      *
       
   496      * @param string $type name of cache resource type
       
   497      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   498      */
       
   499     public function unregisterCacheResource($type)
       
   500     {
       
   501         if (isset($this->smarty->registered_cache_resources[$type])) {
       
   502             unset($this->smarty->registered_cache_resources[$type]);
       
   503         }
       
   504 
       
   505         return $this;
       
   506     }
       
   507 
       
   508     /**
       
   509      * Registers object to be used in templates
       
   510      *
       
   511      * @param string  $object        name of template object
       
   512      * @param object  $object_impl   the referenced PHP object to register
       
   513      * @param array   $allowed       list of allowed methods (empty = all)
       
   514      * @param boolean $smarty_args   smarty argument format, else traditional
       
   515      * @param array   $block_methods list of block-methods
       
   516      * @param array $block_functs list of methods that are block format
       
   517      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   518      * @throws SmartyException if any of the methods in $allowed or $block_methods are invalid
       
   519      */
       
   520     public function registerObject($object_name, $object_impl, $allowed = array(), $smarty_args = true, $block_methods = array())
       
   521     {
       
   522         // test if allowed methodes callable
       
   523         if (!empty($allowed)) {
       
   524             foreach ((array) $allowed as $method) {
       
   525                 if (!is_callable(array($object_impl, $method))) {
       
   526                     throw new SmartyException("Undefined method '$method' in registered object");
       
   527                 }
       
   528             }
       
   529         }
       
   530         // test if block methodes callable
       
   531         if (!empty($block_methods)) {
       
   532             foreach ((array) $block_methods as $method) {
       
   533                 if (!is_callable(array($object_impl, $method))) {
       
   534                     throw new SmartyException("Undefined method '$method' in registered object");
       
   535                 }
       
   536             }
       
   537         }
       
   538         // register the object
       
   539         $this->smarty->registered_objects[$object_name] =
       
   540         array($object_impl, (array) $allowed, (boolean) $smarty_args, (array) $block_methods);
       
   541         return $this;
       
   542     }
       
   543 
       
   544     /**
       
   545      * return a reference to a registered object
       
   546      *
       
   547      * @param string $name object name
       
   548      * @return object
       
   549      * @throws SmartyException if no such object is found
       
   550      */
       
   551     public function getRegisteredObject($name)
       
   552     {
       
   553         if (!isset($this->smarty->registered_objects[$name])) {
       
   554             throw new SmartyException("'$name' is not a registered object");
       
   555         }
       
   556         if (!is_object($this->smarty->registered_objects[$name][0])) {
       
   557             throw new SmartyException("registered '$name' is not an object");
       
   558         }
       
   559         return $this->smarty->registered_objects[$name][0];
       
   560     }
       
   561 
       
   562     /**
       
   563      * unregister an object
       
   564      *
       
   565      * @param string $name object name
       
   566      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   567      */
       
   568     public function unregisterObject($name)
       
   569     {
       
   570         if (isset($this->smarty->registered_objects[$name])) {
       
   571             unset($this->smarty->registered_objects[$name]);
       
   572         }
       
   573 
       
   574         return $this;
       
   575     }
       
   576 
       
   577     /**
       
   578      * Registers static classes to be used in templates
       
   579      *
       
   580      * @param string $class name of template class
       
   581      * @param string $class_impl the referenced PHP class to register
       
   582      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   583      * @throws SmartyException if $class_impl does not refer to an existing class
       
   584      */
       
   585     public function registerClass($class_name, $class_impl)
       
   586     {
       
   587         // test if exists
       
   588         if (!class_exists($class_impl)) {
       
   589             throw new SmartyException("Undefined class '$class_impl' in register template class");
       
   590         }
       
   591         // register the class
       
   592         $this->smarty->registered_classes[$class_name] = $class_impl;
       
   593         return $this;
       
   594     }
       
   595 
       
   596     /**
       
   597      * Registers a default plugin handler
       
   598      *
       
   599      * @param callable $callback class/method name
       
   600      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   601      * @throws SmartyException if $callback is not callable
       
   602      */
       
   603     public function registerDefaultPluginHandler($callback)
       
   604     {
       
   605         if (is_callable($callback)) {
       
   606             $this->smarty->default_plugin_handler_func = $callback;
       
   607         } else {
       
   608             throw new SmartyException("Default plugin handler '$callback' not callable");
       
   609         }
       
   610 
       
   611         return $this;
       
   612     }
       
   613 
       
   614     /**
       
   615      * Registers a default template handler
       
   616      *
       
   617      * @param callable $callback class/method name
       
   618      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   619      * @throws SmartyException if $callback is not callable
       
   620      */
       
   621     public function registerDefaultTemplateHandler($callback)
       
   622     {
       
   623         if (is_callable($callback)) {
       
   624             $this->smarty->default_template_handler_func = $callback;
       
   625         } else {
       
   626             throw new SmartyException("Default template handler '$callback' not callable");
       
   627         }
       
   628 
       
   629         return $this;
       
   630     }
       
   631 
       
   632     /**
       
   633      * Registers a default template handler
       
   634      *
       
   635      * @param callable $callback class/method name
       
   636      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   637      * @throws SmartyException if $callback is not callable
       
   638      */
       
   639     public function registerDefaultConfigHandler($callback)
       
   640     {
       
   641         if (is_callable($callback)) {
       
   642             $this->smarty->default_config_handler_func = $callback;
       
   643         } else {
       
   644             throw new SmartyException("Default config handler '$callback' not callable");
       
   645         }
       
   646 
       
   647         return $this;
       
   648     }
       
   649 
       
   650     /**
       
   651      * Registers a filter function
       
   652      *
       
   653      * @param string $type filter type
       
   654      * @param callback $callback
       
   655      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   656      */
       
   657     public function registerFilter($type, $callback)
       
   658     {
       
   659         $this->smarty->registered_filters[$type][$this->_get_filter_name($callback)] = $callback;
       
   660         return $this;
       
   661     }
       
   662 
       
   663     /**
       
   664      * Unregisters a filter function
       
   665      *
       
   666      * @param string $type filter type
       
   667      * @param callback $callback
       
   668      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   669      */
       
   670     public function unregisterFilter($type, $callback)
       
   671     {
       
   672         $name = $this->_get_filter_name($callback);
       
   673         if (isset($this->smarty->registered_filters[$type][$name])) {
       
   674             unset($this->smarty->registered_filters[$type][$name]);
       
   675         }
       
   676 
       
   677         return $this;
       
   678     }
       
   679 
       
   680     /**
       
   681      * Return internal filter name
       
   682      *
       
   683      * @param callback $function_name
       
   684      * @return string internal filter name
       
   685      */
       
   686     public function _get_filter_name($function_name)
       
   687     {
       
   688         if (is_array($function_name)) {
       
   689             $_class_name = (is_object($function_name[0]) ?
       
   690             get_class($function_name[0]) : $function_name[0]);
       
   691             return $_class_name . '_' . $function_name[1];
       
   692         } else {
       
   693             return $function_name;
       
   694         }
       
   695     }
       
   696 
       
   697     /**
       
   698      * load a filter of specified type and name
       
   699      *
       
   700      * @param string $type filter type
       
   701      * @param string $name filter name
       
   702      * @throws SmartyException if filter could not be loaded
       
   703      */
       
   704     public function loadFilter($type, $name)
       
   705     {
       
   706         $_plugin = "smarty_{$type}filter_{$name}";
       
   707         $_filter_name = $_plugin;
       
   708         if ($this->smarty->loadPlugin($_plugin)) {
       
   709             if (class_exists($_plugin, false)) {
       
   710                 $_plugin = array($_plugin, 'execute');
       
   711             }
       
   712             if (is_callable($_plugin)) {
       
   713                 $this->smarty->registered_filters[$type][$_filter_name] = $_plugin;
       
   714                 return true;
       
   715             }
       
   716         }
       
   717         throw new SmartyException("{$type}filter \"{$name}\" not callable");
       
   718     }
       
   719 
       
   720     /**
       
   721      * unload a filter of specified type and name
       
   722      *
       
   723      * @param string $type filter type
       
   724      * @param string $name filter name
       
   725      * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
       
   726      */
       
   727     public function unloadFilter($type, $name)
       
   728     {
       
   729         $_filter_name = "smarty_{$type}filter_{$name}";
       
   730         if (isset($this->smarty->registered_filters[$type][$_filter_name])) {
       
   731             unset ($this->smarty->registered_filters[$type][$_filter_name]);
       
   732         }
       
   733 
       
   734         return $this;
       
   735     }
       
   736 
       
   737     /**
       
   738      * preg_replace callback to convert camelcase getter/setter to underscore property names
       
   739      *
       
   740      * @param string $match match string
       
   741      * @return string replacemant
       
   742      */
       
   743     private function replaceCamelcase($match) {
       
   744         return "_" . strtolower($match[1]);
       
   745     }
       
   746 
       
   747     /**
       
   748      * Handle unknown class methods
       
   749      *
       
   750      * @param string $name unknown method-name
       
   751      * @param array  $args argument array
       
   752      */
       
   753     public function __call($name, $args)
       
   754     {
       
   755         static $_prefixes = array('set' => true, 'get' => true);
       
   756         static $_resolved_property_name = array();
       
   757         static $_resolved_property_source = array();
       
   758 
       
   759         // method of Smarty object?
       
   760         if (method_exists($this->smarty, $name)) {
       
   761             return call_user_func_array(array($this->smarty, $name), $args);
       
   762         }
       
   763         // see if this is a set/get for a property
       
   764         $first3 = strtolower(substr($name, 0, 3));
       
   765         if (isset($_prefixes[$first3]) && isset($name[3]) && $name[3] !== '_') {
       
   766             if (isset($_resolved_property_name[$name])) {
       
   767                 $property_name = $_resolved_property_name[$name];
       
   768             } else {
       
   769                 // try to keep case correct for future PHP 6.0 case-sensitive class methods
       
   770                 // lcfirst() not available < PHP 5.3.0, so improvise
       
   771                 $property_name = strtolower(substr($name, 3, 1)) . substr($name, 4);
       
   772                 // convert camel case to underscored name
       
   773                 $property_name = preg_replace_callback('/([A-Z])/', array($this,'replaceCamelcase'), $property_name);
       
   774                 $_resolved_property_name[$name] = $property_name;
       
   775             }
       
   776             if (isset($_resolved_property_source[$property_name])) {
       
   777                 $_is_this = $_resolved_property_source[$property_name];
       
   778             } else {
       
   779                 $_is_this = null;
       
   780                 if (property_exists($this, $property_name)) {
       
   781                     $_is_this = true;
       
   782                 } else if (property_exists($this->smarty, $property_name)) {
       
   783                     $_is_this = false;
       
   784                 }
       
   785                 $_resolved_property_source[$property_name] = $_is_this;
       
   786             }
       
   787             if ($_is_this) {
       
   788                 if ($first3 == 'get')
       
   789                 return $this->$property_name;
       
   790                 else
       
   791                 return $this->$property_name = $args[0];
       
   792             } else if ($_is_this === false) {
       
   793                 if ($first3 == 'get')
       
   794                 return $this->smarty->$property_name;
       
   795                 else
       
   796                 return $this->smarty->$property_name = $args[0];
       
   797             } else {
       
   798                 throw new SmartyException("property '$property_name' does not exist.");
       
   799                 return false;
       
   800             }
       
   801         }
       
   802         if ($name == 'Smarty') {
       
   803             throw new SmartyException("PHP5 requires you to call __construct() instead of Smarty()");
       
   804         }
       
   805         // must be unknown
       
   806         throw new SmartyException("Call of unknown method '$name'.");
       
   807     }
       
   808 
       
   809 }
       
   810 
       
   811 ?>