File lass/smarty/internals/core.load_resource

 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: ?>
75:
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