<?php

/**

 * Smarty plugin

 * @package Smarty

 * @subpackage plugins

 */

/**

 * assemble filepath of requested plugin

 *

 * @param string $type

 * @param string $name

 * @return string|false

 */

function smarty_core_assemble_plugin_filepath($params, &$smarty)

{

    static $_filepaths_cache = array();

    $_plugin_filename = $params['type'] . '.' . $params['name'] . '.php';

    if (isset($_filepaths_cache[$_plugin_filename])) {

        return $_filepaths_cache[$_plugin_filename];

    }

    $_return = false;

    foreach ((array)$smarty->plugins_dir as $_plugin_dir) {

        $_plugin_filepath = $_plugin_dir . DIRECTORY_SEPARATOR . $_plugin_filename;

        // see if path is relative

        if (!preg_match("/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/", $_plugin_dir)) {

            $_relative_paths[] = $_plugin_dir;

            // relative path, see if it is in the SMARTY_DIR

            if (@is_readable(SMARTY_DIR . $_plugin_filepath)) {

                $_return = SMARTY_DIR . $_plugin_filepath;

                break;

            }

        }

        // try relative to cwd (or absolute)

        if (@is_readable($_plugin_filepath)) {

            $_return = $_plugin_filepath;

            break;

        }

    }

    if($_return === false) {

        // still not found, try PHP include_path

        if(isset($_relative_paths)) {

            foreach ((array)$_relative_paths as $_plugin_dir) {

                $_plugin_filepath = $_plugin_dir . DIRECTORY_SEPARATOR . $_plugin_filename;

                $_params = array('file_path' => $_plugin_filepath);

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

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

                    $_return = $_params['new_file_path'];

                    break;

                }

            }

        }

    }

    $_filepaths_cache[$_plugin_filename] = $_return;

    return $_return;

}

/* vim: set expandtab: */

?>