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add stream wrapper for in-memory files and dont use global variables for the fakedir stream wrapper

This commit is contained in:
Robin Appelman 2012-02-15 20:19:48 +01:00
parent c121a1a1e7
commit 325858e9e2
4 changed files with 225 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
apps/files_sharing/sharedstorage.php
View File

@ -79,7 +79,6 @@ class OC_Filestorage_Shared extends OC_Filestorage {
if ($path == "" || $path == "/") {
$path = $this->datadir.$path;
$sharedItems = OC_Share::getItemsInFolder($path);
global $FAKEDIRS;
$files = array();
foreach ($sharedItems as $item) {
// If item is in the root of the shared storage provider and the item exists add it to the fakedirs
@ -87,7 +86,7 @@ class OC_Filestorage_Shared extends OC_Filestorage {
$files[] = basename($item['target']);
}
}
$FAKEDIRS['shared'] = $files;
OC_FakeDirStream::$dirs['shared']=$files;
return opendir('fakedir://shared');
} else {
$source = $this->getSource($path);

2
lib/base.php
View File

@ -279,7 +279,7 @@ if(!function_exists('get_temp_dir')) {
OC::init();
require_once('fakedirstream.php');
require_once('streamwrappers.php');

45
lib/fakedirstream.php
View File

@ -1,45 +0,0 @@
<?php
global $FAKEDIRS;
$FAKEDIRS=array();
class fakeDirStream{
private $name;
private $data;
private $index;
public function dir_opendir($path,$options){
global $FAKEDIRS;
$url=parse_url($path);
$this->name=substr($path,strlen('fakedir://'));
$this->index=0;
if(isset($FAKEDIRS[$this->name])){
$this->data=$FAKEDIRS[$this->name];
}else{
$this->data=array();
}
return true;
}
public function dir_readdir(){
if($this->index>=count($this->data)){
return false;
}
$filename=$this->data[$this->index];
$this->index++;
return $filename;
}
public function dir_closedir() {
$this->data=false;
$this->name='';
return true;
}
public function dir_rewinddir() {
$this->index=0;
return true;
}
}
stream_wrapper_register("fakedir", "fakeDirStream");

223
lib/streamwrappers.php Normal file
View File

@ -0,0 +1,223 @@
<?php
global $FAKEDIRS;
$FAKEDIRS=array();
class OC_FakeDirStream{
public static $dirs=array();
private $name;
private $index;
public function dir_opendir($path,$options){
global $FAKEDIRS;
$url=parse_url($path);
$this->name=substr($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);
$len = strlen(self::$data[$this->path]);
if ($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_register("fakedir", "OC_FakeDirStream");
stream_wrapper_register('static', 'OC_StaticStreamWrapper');