/**

 * Smarty plugin

 * @package Smarty

 * @subpackage plugins

 */

/**

 * Retrieves PHP script resource

 *

 * sets $php_resource to the returned resource

 * @param string $resource

 * @param string $resource_type

 * @param  $php_resource

 * @return boolean

 */

function smarty_core_get_php_resource(&$params, &$smarty)

{

    $params['resource_base_path'] = $smarty->trusted_dir;

    $smarty->_parse_resource_name($params, $smarty);

    /*

     * Find out if the resource exists.

     */

    if ($params['resource_type'] == 'file') {

        $_readable = false;

        if(file_exists($params['resource_name']) && is_readable($params['resource_name'])) {

            $_readable = true;

        } else {

            // test for file in include_path

            $_params = array('file_path' => $params['resource_name']);

            require_once(SMARTY_CORE_DIR . 'core.get_include_path.php');

            if(smarty_core_get_include_path($_params, $smarty)) {

                $_include_path = $_params['new_file_path'];

                $_readable = true;

            }

        }

    } else if ($params['resource_type'] != 'file') {

        $_template_source = null;

        $_readable = is_callable($smarty->_plugins['resource'][$params['resource_type']][0][0])

            && call_user_func_array($smarty->_plugins['resource'][$params['resource_type']][0][0],

                                    array($params['resource_name'], &$_template_source, &$smarty));

    }

    /*

     * Set the error function, depending on which class calls us.

     */

    if (method_exists($smarty, '_syntax_error')) {

        $_error_funcc = '_syntax_error';

    } else {

        $_error_funcc = 'trigger_error';

    }

    if ($_readable) {

        if ($smarty->security) {

            require_once(SMARTY_CORE_DIR . 'core.is_trusted.php');

            if (!smarty_core_is_trusted($params, $smarty)) {

                $smarty->$_error_funcc('(secure mode) ' . $params['resource_type'] . ':' . $params['resource_name'] . ' is not trusted');

                return false;

            }

        }

    } else {

        $smarty->$_error_funcc($params['resource_type'] . ':' . $params['resource_name'] . ' is not readable');

        return false;

    }

    if ($params['resource_type'] == 'file') {

        $params['php_resource'] = $params['resource_name'];

    } else {

        $params['php_resource'] = $_template_source;

    }

    return true;

}

/* vim: set expandtab: */

?>