smarty/internals/core.load_resource_plugin.php
changeset 0 c63de9eb7045
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-1:000000000000 0:c63de9eb7045
       
     1 <?php
       
     2 /**
       
     3  * Smarty plugin
       
     4  * @package Smarty
       
     5  * @subpackage plugins
       
     6  */
       
     7 
       
     8 /**
       
     9  * load a resource plugin
       
    10  *
       
    11  * @param string $type
       
    12  */
       
    13 
       
    14 // $type
       
    15 
       
    16 function smarty_core_load_resource_plugin($params, &$smarty)
       
    17 {
       
    18     /*
       
    19      * Resource plugins are not quite like the other ones, so they are
       
    20      * handled differently. The first element of plugin info is the array of
       
    21      * functions provided by the plugin, the second one indicates whether
       
    22      * all of them exist or not.
       
    23      */
       
    24 
       
    25     $_plugin = &$smarty->_plugins['resource'][$params['type']];
       
    26     if (isset($_plugin)) {
       
    27         if (!$_plugin[1] && count($_plugin[0])) {
       
    28             $_plugin[1] = true;
       
    29             foreach ($_plugin[0] as $_plugin_func) {
       
    30                 if (!is_callable($_plugin_func)) {
       
    31                     $_plugin[1] = false;
       
    32                     break;
       
    33                 }
       
    34             }
       
    35         }
       
    36 
       
    37         if (!$_plugin[1]) {
       
    38             $smarty->_trigger_fatal_error("[plugin] resource '" . $params['type'] . "' is not implemented", null, null, __FILE__, __LINE__);
       
    39         }
       
    40 
       
    41         return;
       
    42     }
       
    43 
       
    44     $_plugin_file = $smarty->_get_plugin_filepath('resource', $params['type']);
       
    45     $_found = ($_plugin_file != false);
       
    46 
       
    47     if ($_found) {            /*
       
    48          * If the plugin file is found, it -must- provide the properly named
       
    49          * plugin functions.
       
    50          */
       
    51         include_once($_plugin_file);
       
    52 
       
    53         /*
       
    54          * Locate functions that we require the plugin to provide.
       
    55          */
       
    56         $_resource_ops = array('source', 'timestamp', 'secure', 'trusted');
       
    57         $_resource_funcs = array();
       
    58         foreach ($_resource_ops as $_op) {
       
    59             $_plugin_func = 'smarty_resource_' . $params['type'] . '_' . $_op;
       
    60             if (!function_exists($_plugin_func)) {
       
    61                 $smarty->_trigger_fatal_error("[plugin] function $_plugin_func() not found in $_plugin_file", null, null, __FILE__, __LINE__);
       
    62                 return;
       
    63             } else {
       
    64                 $_resource_funcs[] = $_plugin_func;
       
    65             }
       
    66         }
       
    67 
       
    68         $smarty->_plugins['resource'][$params['type']] = array($_resource_funcs, true);
       
    69     }
       
    70 }
       
    71 
       
    72 /* vim: set expandtab: */
       
    73 
       
    74 ?>