blob: 3beeb635efbb530f81eff5ded7fb8b33f073d087 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
<?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.
*/
//@require 'Swift/Mime/ContentEncoder.php';
//@require 'Swift/Encoder/QpEncoder.php';
//@require 'Swift/InputByteStrean.php';
//@require 'Swift/OutputByteStream.php';
//@require 'Swift/CharacterStream.php';
/**
* Handles Quoted Printable (QP) Transfer Encoding in Swift Mailer.
* @package Swift
* @subpackage Mime
* @author Chris Corbyn
*/
class Swift_Mime_ContentEncoder_QpContentEncoder extends Swift_Encoder_QpEncoder
implements Swift_Mime_ContentEncoder
{
/**
* Creates a new QpContentEncoder for the given CharacterStream.
* @param Swift_CharacterStream $charStream to use for reading characters
* @param Swift_StreamFilter $filter if canonicalization should occur
*/
public function __construct(Swift_CharacterStream $charStream,
Swift_StreamFilter $filter = null)
{
parent::__construct($charStream, $filter);
}
/**
* Encode stream $in to stream $out.
* QP encoded strings have a maximum line length of 76 characters.
* If the first line needs to be shorter, indicate the difference with
* $firstLineOffset.
* @param Swift_OutputByteStream $os output stream
* @param Swift_InputByteStream $is input stream
* @param int $firstLineOffset
* @param int $maxLineLength
*/
public function encodeByteStream(
Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
$maxLineLength = 0)
{
if ($maxLineLength > 76 || $maxLineLength <= 0)
{
$maxLineLength = 76;
}
$thisLineLength = $maxLineLength - $firstLineOffset;
$this->_charStream->flushContents();
$this->_charStream->importByteStream($os);
$currentLine = '';
$prepend = '';
$size=$lineLen=0;
while (false !== $bytes = $this->_nextSequence())
{
//If we're filtering the input
if (isset($this->_filter))
{
//If we can't filter because we need more bytes
while ($this->_filter->shouldBuffer($bytes))
{
//Then collect bytes into the buffer
if (false === $moreBytes = $this->_nextSequence(1))
{
break;
}
foreach ($moreBytes as $b)
{
$bytes[] = $b;
}
}
//And filter them
$bytes = $this->_filter->filter($bytes);
}
$enc = $this->_encodeByteSequence($bytes, $size);
if ($currentLine && $lineLen+$size >= $thisLineLength)
{
$is->write($prepend . $this->_standardize($currentLine));
$currentLine = '';
$prepend = "=\r\n";
$thisLineLength = $maxLineLength;
$lineLen=0;
}
$lineLen+=$size;
$currentLine .= $enc;
}
if (strlen($currentLine))
{
$is->write($prepend . $this->_standardize($currentLine));
}
}
/**
* Get the name of this encoding scheme.
* Returns the string 'quoted-printable'.
* @return string
*/
public function getName()
{
return 'quoted-printable';
}
}
|
