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<?php
namespace Sabre\DAV\PartialUpdate;
use Sabre\DAV;
class FileMock implements IPatchSupport {
protected $data = '';
function put($str) {
if (is_resource($str)) {
$str = stream_get_contents($str);
}
$this->data = $str;
}
/**
* Updates the file based on a range specification.
*
* The first argument is the data, which is either a readable stream
* resource or a string.
*
* The second argument is the type of update we're doing.
* This is either:
* * 1. append
* * 2. update based on a start byte
* * 3. update based on an end byte
*;
* The third argument is the start or end byte.
*
* After a successful put operation, you may choose to return an ETag. The
* etag must always be surrounded by double-quotes. These quotes must
* appear in the actual string you're returning.
*
* Clients may use the ETag from a PUT request to later on make sure that
* when they update the file, the contents haven't changed in the mean
* time.
*
* @param resource|string $data
* @param int $rangeType
* @param int $offset
* @return string|null
*/
function patch($data, $rangeType, $offset = null) {
if (is_resource($data)) {
$data = stream_get_contents($data);
}
switch ($rangeType) {
case 1 :
$this->data .= $data;
break;
case 3 :
// Turn the offset into an offset-offset.
$offset = strlen($this->data) - $offset;
// No break is intentional
case 2 :
$this->data =
substr($this->data, 0, $offset) .
$data .
substr($this->data, $offset + strlen($data));
break;
}
}
function get() {
return $this->data;
}
function getContentType() {
return 'text/plain';
}
function getSize() {
return strlen($this->data);
}
function getETag() {
return '"' . $this->data . '"';
}
function delete() {
throw new DAV\Exception\MethodNotAllowed();
}
function setName($name) {
throw new DAV\Exception\MethodNotAllowed();
}
function getName() {
return 'partial';
}
function getLastModified() {
return null;
}
}
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