File classes/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder/QpHeaderEncoder.php

 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: require_once dirname(__FILE__) . '/../HeaderEncoder.php';
12: require_once dirname(__FILE__) . '/../../Encoder/QpEncoder.php';
13: require_once dirname(__FILE__) . '/../../CharacterStream.php';
14: 
15: /**
16:  * Handles Quoted Printable (Q) Header Encoding in Swift Mailer.
17:  * @package Swift
18:  * @subpackage Mime
19:  * @author Chris Corbyn
20:  */
21: class Swift_Mime_HeaderEncoder_QpHeaderEncoder extends Swift_Encoder_QpEncoder implements Swift_Mime_HeaderEncoder
22: {
23:     /**
24:      * Creates a new QpHeaderEncoder for the given CharacterStream.
25:      * @param Swift_CharacterStream $charStream to use for reading characters
26:      */
27:     public function __construct(Swift_CharacterStream $charStream)
28:     {
29:         parent::__construct($charStream);
30:     }
31: 
32:     protected function initSafeMap()
33:     {
34:         foreach (array_merge(
35:             range(0x61, 0x7A), range(0x41, 0x5A),
36:             range(0x30, 0x39), array(0x20, 0x21, 0x2A, 0x2B, 0x2D, 0x2F)
37:             ) as $byte) {
38:             $this->_safeMap[$byte] = chr($byte);
39:         }
40:     }
41: 
42:     /**
43:      * Get the name of this encoding scheme.
44:      * Returns the string 'Q'.
45:      * @return string
46:      */
47:     public function getName()
48:     {
49:         return 'Q';
50:     }
51: 
52:     /**
53:      * Takes an unencoded string and produces a Q encoded string from it.
54:      * @param  string $string           to encode
55:      * @param  int    $firstLineOffset, optional
56:      * @param  int    $maxLineLength,   optional, 0 indicates the default of 76 chars
57:      * @return string
58:      */
59:     public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0, $charst = 'utf-8')
60:     {
61:         return str_replace(array(' ', '=20', "=\r\n"), array('_', '_', "\r\n"),
62:             parent::encodeString($string, $firstLineOffset, $maxLineLength)
63:         );
64:     }
65: }
66:
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