<?php
#
# Copyright(C) 2004-2007 INL
# Written by Eric Leblond <regit@inl.fr>
#            Vincent Deffontaines <gryzor@inl.fr>
#            Jean Gillaux <jean@inl.fr>
#            Damien Boucard <damien.boucard AT inl.fr>
#
# $Id: file_function.php 17927 2009-02-16 13:16:09Z haypo $
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
#  This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
#
require_once('function.php');

function del_file($filename=''){
    global $datadir;
    if (!check_filename($filename))
        return false;
    if ($filename==''){
        return false;
    }
    $filename = $datadir.'/'.$filename;
    if (!file_exists($filename))
        return false;
    return @unlink($filename);
}

function cmp_file($elt1, $elt2){
    if ($elt1["mtime"] == $elt2["mtime"])
    {
        return 0;
    }
    return ($elt2["mtime"] > $elt1["mtime"]) ? 1: -1;
}

function file_list(){
    global $datadir;
    $files = array();
    $res = array();
    $dir = @opendir($datadir);
    if (! $dir)
    {
        add_log(sprintf(_('Could not open directory "%s"! Please check your configuration.'), $datadir));
        return Array();
    }
    clearstatcache();
    while(($file = readdir($dir)) !== false)
    {
        if ($file == '.' or $file == '..') continue;
        if (is_dir($file)) continue;
        if (substr($file, -4) != '.xml') continue;

        $mtime = stat($datadir."/".$file);
        $files[] = array("file" => $file, "mtime" => $mtime["mtime"]);
    }
    closedir($dir);
    usort($files,"cmp_file");
    foreach($files as $elt)
    {
        $res[] = $elt["file"];
    }
    return($res);
}

/*
 * This function read opened file represented by handler
 * and returns array of strings, each a line from the file
 */
function file_readlines($filename)
{
    $file = fopen($filename, 'r');
    if(!$file)
        return Array();

    $lines= Array();
    while (!feof($file)){
        $lines[] = rtrim(fgets($file));
    }
    fclose($file);
    return $lines;
}

function rename_if_exists($src,$dst){
  if (file_exists($src)){
    rename($src,$dst);
  }
}

function filenameWithoutXml($filename)
{
    return ereg_replace("\.xml$", "", basename($filename));
}

?>