<?php

if (! defined('BASEPATH')) {
    exit('No direct script access allowed.');
}

/**
 * This source file is part of the open source project
 * ExpressionEngine (https://expressionengine.com)
 *
 * @link      https://expressionengine.com/
 * @copyright Copyright (c) 2003-2022, Packet Tide, LLC (https://www.packettide.com)
 * @license   https://expressionengine.com/license Licensed under Apache License, Version 2.0
 */

/**
 * Directory Helpers
 */

/**
 * Create a Directory Map
 *
 * Reads the specified directory and builds an array
 * representation of it.  Sub-folders contained with the
 * directory will be mapped as well.
 *
 * @access	public
 * @param	string	path to source
 * @param	int		depth of directories to traverse (0 = fully recursive, 1 = current dir, etc)
 * @return	array
 */
if (! function_exists('directory_map')) {
    // @todo convert to flysystem?
    function directory_map($source_dir, $directory_depth = 0, $hidden = false)
    {
        if ($fp = @opendir($source_dir)) {
            $filedata = array();
            $new_depth = $directory_depth - 1;
            $source_dir = rtrim($source_dir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;

            while (false !== ($file = readdir($fp))) {
                // Remove '.', '..', and hidden files [optional]
                if (! trim($file, '.') or ($hidden == false && $file[0] == '.')) {
                    continue;
                }

                if (($directory_depth < 1 or $new_depth > 0) && @is_dir($source_dir . $file)) {
                    $filedata[$file] = directory_map($source_dir . $file . DIRECTORY_SEPARATOR, $new_depth, $hidden);
                } else {
                    $filedata[] = $file;
                }
            }

            closedir($fp);

            return $filedata;
        }

        return false;
    }
}

// EOF
