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标题: PHP源代码集锦-File System Object [打印本页]

作者: tznktg 时间: 2007-10-5 16:08
标题: PHP源代码集锦-File System Object
<?php
/********************************************
*                                        *
* Name : File System Object             *
* Author  : Windy_sk                      *
* Time : 2003-09-12                   *
* Email : flyhorses@sina.com             *
* HomePage: None (Maybe Soon)             *
* Notice  : U Can Use & Modify it freely, *
*          BUT PLEASE HOLD THIS ITEM.    *
*                                        *
********************************************/

class FileSystemObject {
var $main_dir = "./";
Var $dir_map = "";
var $search = array();

function FileSystemObject($main_dir = "./") {
  $this->main_dir = $main_dir;
  return;
}

function Get_Attrib($file_att){
  if(strlen($file_att)!=3) return "Error";
  $att_list = array("---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx");
  $the_attrib = "";
  for($i=0; $i<3; $i++) {
$this_char=(int)substr($file_att,$i,1);
if($this_char > 7 || $this_char < 0)  return "Error";
$the_attrib .= $att_list[$this_char];
  }
  return $the_attrib;
}

function Get_Size($file_size) {
  if($file_size < 1024){
$file_size = (string)$file_size . " Bytes";
  }else if($file_size < (1024 * 1024)){
$file_size = number_format((double)($file_size / 1024), 1) . " KB";
  }else if($fil_esize < (1024 * 1024 * 1024)){
$file_size = number_format((double)($file_size / (1024 * 1024)), 1) . " MB";
  }else{
$file_size = number_format((double)($file_size / (1024 * 1024 * 1024)), 1) . " GB";
  }
  return $file_size;
}

function Judge_Child($dir = "", $only_dir = true){
  if(empty($dir)) $dir = $this->main_dir;
  $mydir = @dir($dir);
  if(!$mydir) return false;
  while($file = $mydir->read()){
if($file!="." && $file!=".."){
if($only_dir) {
   if(is_dir($dir."/".$file)) return true;
} else {
   return true;
}
}
  }
  $mydir->close();
  return false;
}

function MultiDel($dir){
  if(empty($dir)) return;
  if(is_dir($dir)){
$mydir = opendir($dir);
while($file = readdir($mydir)) {
if($file!="." && $file!="..") {
   $the_name = $dir."/".$file;
   is_dir($the_name) ? $this->MultiDel($the_name) : unlink($the_name);
}
}
closedir($mydir);
rmdir($dir);
  }else{
unlink($dir);
  }
  return;
}

function Make_Dir($dir) {
  if(is_dir($dir)) {
print("Directory {$dir} already exist !");
  } else {
@mkdir($dir,0777) or print("Operation Failed in Creating Directory {$dir} ,Please Check Your Power!");
  }
  return;
}

function Rename_File($file, $newname) {
  if(file_exists($file)) {
if(file_exists($newname)) {
print("File {$newname} already exist !");
} else {
@rename($file, $newname) or print("Operation Failed in Renaming {$file} ，Please Check Your Power!");
}
  } else {
print("Cannot Find File {$file} !");
  }
  return;
}

function Move_File($file, $dir) {
  if(is_dir($dir))
$this->Rename_File($file, str_replace("//","/",$dir."/".basename($file)));
  else
print("Cannot Find Directory {$dir} !");
  return;
}

function Get_File($file) {
  return is_file($file)?join("",file($file)):"";
}

function Write_File($file, $content) {
  if(file_exists($file)) $this->Set_Attrib($file, 0777);
  $fp=@fopen($file,"w");
  if($fp) {
flock($fp,2);
fputs($fp,$content);
fclose($fp);
  } else {
print("Cannot Create File {$file} !");
  }
  return;
}

function Set_Attrib($file, $attrib) {
  if(file_exists($file)) {
@chmod($file, $attrib) or print("Operation Failed in Setting Attrib of {$file} , Please Check Your Power!");
  } else {
print("Cannot Find File {$file} !");
  }
  return;
}

function Search_File($keyword, $inc_word, $deep, $dir) {
  $mydir = @dir($dir);
  if(!$mydir) return false;
  while($file = $mydir->read()) {
$the_name = str_replace("//","/",$dir."/".$file);
if(is_dir($the_name)) {
if($deep && $file!="." && $file!=".."){
   $this->Search_File($keyword, $inc_word, $deep, $the_name);
}
} else {
if(@strpos(basename($the_name), $keyword)!==false || empty($keyword)) {
   if(!empty($inc_word)) {
   if($this->Search_File_Content($the_name, $inc_word)) array_push($this->search, $the_name);
   } else {
   array_push($this->search, $the_name);
   }
}
}
  }
  $mydir->close();
  return;
}

function Search_File_Content($file, $inc_word) {
  return (strpos($this->Get_File($file), $inc_word) !== false);
}

function Search($keyword="", $inc_word="", $deep=false, $dir="") {
  if(empty($dir)) $dir = $this->main_dir;
  $this->search = array();
  $this->Search_File($keyword, $inc_word, $deep, $dir);
  return $this->search;
}

function Get_Tree($dir = "", $filetype = ""){
  if(empty($dir)) $dir = $this->main_dir;
  $mydir = @dir($dir);
  if(!$mydir) return false;
  $file_list = array("dir" => array(), "file" => array(), "custom" => array());
  while($file = @$mydir->read()){
if(!$file) continue;
if($file!="."  && $file!=".."){
$string = str_replace("//","/",$dir."/".$file);
if(is_dir($string)){
   $file_list["dir"][] = $string;
}else{
   $file_list["file"][] = $string;
   if(!empty($filetype)) {
   $ext = str_replace(".", "", strrchr($string ,"."));
   if(strpos($filetype, $ext)!==false)
   $file_list["custom"][] = $string;
   }
}
}
  }
  $mydir->close();
  sort($file_list["dir"]);
  sort($file_list["file"]);
  sort($file_list["custom"]);
  return $file_list;
}

function Make_DirMap($dir = "", $simple, $loop) {
  if(empty($dir)) $dir = $this->main_dir;
  if(!is_dir($dir)) return;
  $file_list = $this->Get_Tree($dir);
  for($i=0; $i<count($file_list["dir"]); $i++) {
$the_name = $file_list["dir"][$i];
$the_name = str_replace("&", "&", $the_name);
$this->dir_map .= "<Directory Name=\"".basename($the_name)."\"".($simple?"":" Attrib=\"".$this->Get_Attrib(substr(DecOct(fileperms($the_name)),-3))."\" Time=\"".date("m/d/y H:i:s", filemtime($the_name))."\"").">\n";
if($loop) $this->Make_DirMap($the_name, $simple, $loop);
$this->dir_map .= "</Directory>\n";
  }
  for($i=0; $i<count($file_list["file"]); $i++) {
$the_name = $file_list["file"][$i];
$the_name = str_replace("&", "&", $the_name);
$this->dir_map .= "<File Name=\"".basename($the_name)."\"".($simple?"":" Size=\"".$this->Get_Size(filesize($the_name))."\" Attrib=\"".$this->Get_Attrib(substr(DecOct(fileperms($the_name)),-3))."\" Time=\"".date("m/d/y H:i:s", filemtime($the_name))."\"")." />\n";
  }
  unset($file_list);
  return;
}

function Get_DirMap($declaration = false, $simple = false, $loop = true){
  $this->dir_map  = $declaration?"<?xml version=\"1.0\" encoding=\"gb2312\" standalone=\"yes\"?>\n":"";
  $this->dir_map .= "<DirectoryMap Root=\"{$this->main_dir}\" Data=\"".date("m/d/y H:i:s", time())."\">\n";
  $this->Make_DirMap($this->main_dir, $simple, $loop);
  $this->dir_map .= "</DirectoryMap>";
  return $this->dir_map;
}
}
?>

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