94 lines
2.0 KiB
PHP
94 lines
2.0 KiB
PHP
<?php
|
|
/**
|
|
* Copyright 2012-2017 Horde LLC (http://www.horde.org/)
|
|
*
|
|
* See the enclosed file COPYING for license information (LGPL). If you
|
|
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
|
|
*
|
|
* @category Horde
|
|
* @copyright 2012-2017 Horde LLC
|
|
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
|
|
* @package Imap_Client
|
|
*/
|
|
|
|
/**
|
|
* Object representation of an IMAP nstring (NIL or string) (RFC 3501 [4.5]).
|
|
*
|
|
* @author Michael Slusarz <slusarz@horde.org>
|
|
* @category Horde
|
|
* @copyright 2012-2017 Horde LLC
|
|
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
|
|
* @package Imap_Client
|
|
*/
|
|
class Horde_Imap_Client_Data_Format_Nstring extends Horde_Imap_Client_Data_Format_String
|
|
{
|
|
/**
|
|
*/
|
|
public function __construct($data = null)
|
|
{
|
|
/* Data can be null (NIL) here. */
|
|
if (is_null($data)) {
|
|
$this->_data = null;
|
|
} else {
|
|
parent::__construct($data);
|
|
}
|
|
}
|
|
|
|
/**
|
|
*/
|
|
public function __toString()
|
|
{
|
|
return is_null($this->_data)
|
|
? ''
|
|
: parent::__toString();
|
|
}
|
|
|
|
/**
|
|
*/
|
|
public function escape()
|
|
{
|
|
return is_null($this->_data)
|
|
? 'NIL'
|
|
: parent::escape();
|
|
}
|
|
|
|
public function escapeStream()
|
|
{
|
|
if (is_null($this->_data)) {
|
|
$stream = new Horde_Stream_Temp();
|
|
$stream->add('NIL', true);
|
|
return $stream->stream;
|
|
}
|
|
|
|
return parent::escapeStream();
|
|
}
|
|
|
|
/**
|
|
*/
|
|
public function quoted()
|
|
{
|
|
return is_null($this->_data)
|
|
? false
|
|
: parent::quoted();
|
|
}
|
|
|
|
/**
|
|
*/
|
|
public function length()
|
|
{
|
|
return is_null($this->_data)
|
|
? 0
|
|
: parent::length();
|
|
}
|
|
|
|
/**
|
|
*/
|
|
public function getStream()
|
|
{
|
|
return is_null($this->_data)
|
|
? new Horde_Stream_Temp()
|
|
: parent::getStream();
|
|
}
|
|
|
|
}
|