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<?php
class OC_FakeDirStream{
public static $dirs=array();
private $name;
private $index;
public function dir_opendir($path,$options) {
$this->name=substr($path,strlen('fakedir://'));
$this->index=0;
if(!isset(self::$dirs[$this->name])) {
self::$dirs[$this->name]=array();
}
return true;
}
public function dir_readdir() {
if($this->index>=count(self::$dirs[$this->name])) {
return false;
}
$filename=self::$dirs[$this->name][$this->index];
$this->index++;
return $filename;
}
public function dir_closedir() {
$this->name='';
return true;
}
public function dir_rewinddir() {
$this->index=0;
return true;
}
}
class OC_StaticStreamWrapper {
public $context;
protected static $data = array();
protected $path = '';
protected $pointer = 0;
protected $writable = false;
public function stream_close() {}
public function stream_eof() {
return $this->pointer >= strlen(self::$data[$this->path]);
}
public function stream_flush() {}
public function stream_open($path, $mode, $options, &$opened_path) {
switch ($mode[0]) {
case 'r':
if (!isset(self::$data[$path])) return false;
$this->path = $path;
$this->writable = isset($mode[1]) && $mode[1] == '+';
break;
case 'w':
self::$data[$path] = '';
$this->path = $path;
$this->writable = true;
break;
case 'a':
if (!isset(self::$data[$path])) self::$data[$path] = '';
$this->path = $path;
$this->writable = true;
$this->pointer = strlen(self::$data[$path]);
break;
case 'x':
if (isset(self::$data[$path])) return false;
$this->path = $path;
$this->writable = true;
break;
case 'c':
if (!isset(self::$data[$path])) self::$data[$path] = '';
$this->path = $path;
$this->writable = true;
break;
default:
return false;
}
$opened_path = $this->path;
return true;
}
public function stream_read($count) {
$bytes = min(strlen(self::$data[$this->path]) - $this->pointer, $count);
$data = substr(self::$data[$this->path], $this->pointer, $bytes);
$this->pointer += $bytes;
return $data;
}
public function stream_seek($offset, $whence = SEEK_SET) {
$len = strlen(self::$data[$this->path]);
switch ($whence) {
case SEEK_SET:
if ($offset <= $len) {
$this->pointer = $offset;
return true;
}
break;
case SEEK_CUR:
if ($this->pointer + $offset <= $len) {
$this->pointer += $offset;
return true;
}
break;
case SEEK_END:
if ($len + $offset <= $len) {
$this->pointer = $len + $offset;
return true;
}
break;
}
return false;
}
public function stream_stat() {
$size = strlen(self::$data[$this->path]);
$time = time();
return array(
0 => 0,
'dev' => 0,
1 => 0,
'ino' => 0,
2 => 0777,
'mode' => 0777,
3 => 1,
'nlink' => 1,
4 => 0,
'uid' => 0,
5 => 0,
'gid' => 0,
6 => '',
'rdev' => '',
7 => $size,
'size' => $size,
8 => $time,
'atime' => $time,
9 => $time,
'mtime' => $time,
10 => $time,
'ctime' => $time,
11 => -1,
'blksize' => -1,
12 => -1,
'blocks' => -1,
);
}
public function stream_tell() {
return $this->pointer;
}
public function stream_write($data) {
if (!$this->writable) return 0;
$size = strlen($data);
if ($this->stream_eof()) {
self::$data[$this->path] .= $data;
} else {
self::$data[$this->path] = substr_replace(
self::$data[$this->path],
$data,
$this->pointer
);
}
$this->pointer += $size;
return $size;
}
public function unlink($path) {
if (isset(self::$data[$path])) {
unset(self::$data[$path]);
}
return true;
}
public function url_stat($path) {
if (isset(self::$data[$path])) {
$size = strlen(self::$data[$path]);
$time = time();
return array(
0 => 0,
'dev' => 0,
1 => 0,
'ino' => 0,
2 => 0777,
'mode' => 0777,
3 => 1,
'nlink' => 1,
4 => 0,
'uid' => 0,
5 => 0,
'gid' => 0,
6 => '',
'rdev' => '',
7 => $size,
'size' => $size,
8 => $time,
'atime' => $time,
9 => $time,
'mtime' => $time,
10 => $time,
'ctime' => $time,
11 => -1,
'blksize' => -1,
12 => -1,
'blocks' => -1,
);
}
return false;
}
}
/**
* stream wrapper that provides a callback on stream close
*/
class OC_CloseStreamWrapper{
public static $callBacks=array();
private $path='';
private $source;
private static $open=array();
public function stream_open($path, $mode, $options, &$opened_path) {
$path=substr($path,strlen('close://'));
$this->path=$path;
$this->source=fopen($path,$mode);
if(is_resource($this->source)) {
$this->meta=stream_get_meta_data($this->source);
}
self::$open[]=$path;
return is_resource($this->source);
}
public function stream_seek($offset, $whence=SEEK_SET) {
fseek($this->source,$offset,$whence);
}
public function stream_tell() {
return ftell($this->source);
}
public function stream_read($count) {
return fread($this->source,$count);
}
public function stream_write($data) {
return fwrite($this->source,$data);
}
public function stream_set_option($option,$arg1,$arg2) {
switch($option) {
case STREAM_OPTION_BLOCKING:
stream_set_blocking($this->source,$arg1);
break;
case STREAM_OPTION_READ_TIMEOUT:
stream_set_timeout($this->source,$arg1,$arg2);
break;
case STREAM_OPTION_WRITE_BUFFER:
stream_set_write_buffer($this->source,$arg1,$arg2);
}
}
public function stream_stat() {
return fstat($this->source);
}
public function stream_lock($mode) {
flock($this->source,$mode);
}
public function stream_flush() {
return fflush($this->source);
}
public function stream_eof() {
return feof($this->source);
}
public function url_stat($path) {
$path=substr($path,strlen('close://'));
if(file_exists($path)) {
return stat($path);
}else{
return false;
}
}
public function stream_close() {
fclose($this->source);
if(isset(self::$callBacks[$this->path])) {
call_user_func(self::$callBacks[$this->path],$this->path);
}
}
public function unlink($path) {
$path=substr($path,strlen('close://'));
return unlink($path);
}
}
|
