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/framework/vendor/swift/lib/classes/Swift/InputByteStream.php

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PHP | 72 lines | 9 code | 8 blank | 55 comment | 0 complexity | 0665ca052ebbf1efe4056a4fc6ccb4a9 MD5 | raw file
 1<?php
 2
 3/*
 4 * This file is part of SwiftMailer.
 5 * (c) 2004-2009 Chris Corbyn
 6 *
 7 * For the full copyright and license information, please view the LICENSE
 8 * file that was distributed with this source code.
 9 */
10
11/**
12 * An abstract means of writing data.
13 * Classes implementing this interface may use a subsystem which requires less
14 * memory than working with large strings of data.
15 * @package Swift
16 * @subpackage ByteStream
17 * @author Chris Corbyn
18 */
19interface Swift_InputByteStream
20{
21  
22  /**
23   * Writes $bytes to the end of the stream.
24   * 
25   * Writing may not happen immediately if the stream chooses to buffer.  If
26   * you want to write these bytes with immediate effect, call {@link commit()}
27   * after calling write().
28   * 
29   * This method returns the sequence ID of the write (i.e. 1 for first, 2 for
30   * second, etc etc).
31   *
32   * @param string $bytes
33   * @return int
34   * @throws Swift_IoException
35   */
36  public function write($bytes);
37  
38  /**
39   * For any bytes that are currently buffered inside the stream, force them
40   * off the buffer.
41   * 
42   * @throws Swift_IoException
43   */
44  public function commit();
45  
46  /**
47   * Attach $is to this stream.
48   * The stream acts as an observer, receiving all data that is written.
49   * All {@link write()} and {@link flushBuffers()} operations will be mirrored.
50   * 
51   * @param Swift_InputByteStream $is
52   */
53  public function bind(Swift_InputByteStream $is);
54  
55  /**
56   * Remove an already bound stream.
57   * If $is is not bound, no errors will be raised.
58   * If the stream currently has any buffered data it will be written to $is
59   * before unbinding occurs.
60   * 
61   * @param Swift_InputByteStream $is
62   */
63  public function unbind(Swift_InputByteStream $is);
64  
65  /**
66   * Flush the contents of the stream (empty it) and set the internal pointer
67   * to the beginning.
68   * @throws Swift_IoException
69   */
70  public function flushBuffers();
71  
72}