<?php

/**

 * Smarty plugin

 * @package Smarty

 * @subpackage plugins

 */

/**

 * load a resource plugin

 *

 * @param string $type

 */

// $type

function smarty_core_load_resource_plugin($params, &$smarty)

{

    /*

     * Resource plugins are not quite like the other ones, so they are

     * handled differently. The first element of plugin info is the array of

     * functions provided by the plugin, the second one indicates whether

     * all of them exist or not.

     */

    $_plugin = &$smarty->_plugins['resource'][$params['type']];

    if (isset($_plugin)) {

        if (!$_plugin[1] && count($_plugin[0])) {

            $_plugin[1] = true;

            foreach ($_plugin[0] as $_plugin_func) {

                if (!is_callable($_plugin_func)) {

                    $_plugin[1] = false;

                    break;

                }

            }

        }

        if (!$_plugin[1]) {

            $smarty->_trigger_fatal_error("[plugin] resource '" . $params['type'] . "' is not implemented", null, null, __FILE__, __LINE__);

        }

        return;

    }

    $_plugin_file = $smarty->_get_plugin_filepath('resource', $params['type']);

    $_found = ($_plugin_file != false);

    if ($_found) {            /*

         * If the plugin file is found, it -must- provide the properly named

         * plugin functions.

         */

        include_once($_plugin_file);

        /*

         * Locate functions that we require the plugin to provide.

         */

        $_resource_ops = array('source', 'timestamp', 'secure', 'trusted');

        $_resource_funcs = array();

        foreach ($_resource_ops as $_op) {

            $_plugin_func = 'smarty_resource_' . $params['type'] . '_' . $_op;

            if (!function_exists($_plugin_func)) {

                $smarty->_trigger_fatal_error("[plugin] function $_plugin_func() not found in $_plugin_file", null, null, __FILE__, __LINE__);

                return;

            } else {

                $_resource_funcs[] = $_plugin_func;

            }

        }

        $smarty->_plugins['resource'][$params['type']] = array($_resource_funcs, true);

    }

}

/* vim: set expandtab: */

?>