76 lines
1.9 KiB
PHP
76 lines
1.9 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of SwiftMailer.
|
|
* (c) 2004-2009 Chris Corbyn
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
/**
|
|
* An abstract means of writing data.
|
|
*
|
|
* Classes implementing this interface may use a subsystem which requires less
|
|
* memory than working with large strings of data.
|
|
*
|
|
* @author Chris Corbyn
|
|
*/
|
|
interface Swift_InputByteStream
|
|
{
|
|
/**
|
|
* Writes $bytes to the end of the stream.
|
|
*
|
|
* Writing may not happen immediately if the stream chooses to buffer. If
|
|
* you want to write these bytes with immediate effect, call {@link commit()}
|
|
* after calling write().
|
|
*
|
|
* This method returns the sequence ID of the write (i.e. 1 for first, 2 for
|
|
* second, etc etc).
|
|
*
|
|
* @param string $bytes
|
|
*
|
|
* @throws Swift_IoException
|
|
*
|
|
* @return int
|
|
*/
|
|
public function write($bytes);
|
|
|
|
/**
|
|
* For any bytes that are currently buffered inside the stream, force them
|
|
* off the buffer.
|
|
*
|
|
* @throws Swift_IoException
|
|
*/
|
|
public function commit();
|
|
|
|
/**
|
|
* Attach $is to this stream.
|
|
*
|
|
* The stream acts as an observer, receiving all data that is written.
|
|
* All {@link write()} and {@link flushBuffers()} operations will be mirrored.
|
|
*
|
|
* @param Swift_InputByteStream $is
|
|
*/
|
|
public function bind(self $is);
|
|
|
|
/**
|
|
* Remove an already bound stream.
|
|
*
|
|
* If $is is not bound, no errors will be raised.
|
|
* If the stream currently has any buffered data it will be written to $is
|
|
* before unbinding occurs.
|
|
*
|
|
* @param Swift_InputByteStream $is
|
|
*/
|
|
public function unbind(self $is);
|
|
|
|
/**
|
|
* Flush the contents of the stream (empty it) and set the internal pointer
|
|
* to the beginning.
|
|
*
|
|
* @throws Swift_IoException
|
|
*/
|
|
public function flushBuffers();
|
|
}
|