|
1 <?php |
|
2 |
|
3 /** |
|
4 * Zend Framework |
|
5 * |
|
6 * LICENSE |
|
7 * |
|
8 * This source file is subject to the new BSD license that is bundled |
|
9 * with this package in the file LICENSE.txt. |
|
10 * It is also available through the world-wide-web at this URL: |
|
11 * http://framework.zend.com/license/new-bsd |
|
12 * If you did not receive a copy of the license and are unable to |
|
13 * obtain it through the world-wide-web, please send an email |
|
14 * to license@zend.com so we can send you a copy immediately. |
|
15 * |
|
16 * @category Zend |
|
17 * @package Zend_Gdata |
|
18 * @subpackage Gdata |
|
19 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
|
20 * @license http://framework.zend.com/license/new-bsd New BSD License |
|
21 * @version $Id: MimeBodyString.php 20096 2010-01-06 02:05:09Z bkarwin $ |
|
22 */ |
|
23 |
|
24 /** |
|
25 * A wrapper for strings for buffered reading. |
|
26 * |
|
27 * @category Zend |
|
28 * @package Zend_Gdata |
|
29 * @subpackage Gdata |
|
30 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
|
31 * @license http://framework.zend.com/license/new-bsd New BSD License |
|
32 */ |
|
33 class Zend_Gdata_MimeBodyString |
|
34 { |
|
35 |
|
36 /** |
|
37 * The source string. |
|
38 * |
|
39 * @var string |
|
40 */ |
|
41 protected $_sourceString = ''; |
|
42 |
|
43 /** |
|
44 * The size of the MIME message. |
|
45 * @var integer |
|
46 */ |
|
47 protected $_bytesRead = 0; |
|
48 |
|
49 /** |
|
50 * Create a new MimeBodyString object. |
|
51 * |
|
52 * @param string $sourceString The string we are wrapping. |
|
53 */ |
|
54 public function __construct($sourceString) |
|
55 { |
|
56 $this->_sourceString = $sourceString; |
|
57 $this->_bytesRead = 0; |
|
58 } |
|
59 |
|
60 /** |
|
61 * Read the next chunk of the string. |
|
62 * |
|
63 * @param integer $bytesRequested The size of the chunk that is to be read. |
|
64 * @return string A corresponding piece of the string. |
|
65 */ |
|
66 public function read($bytesRequested) |
|
67 { |
|
68 $len = strlen($this->_sourceString); |
|
69 if($this->_bytesRead == $len) { |
|
70 return FALSE; |
|
71 } else if($bytesRequested > $len - $this->_bytesRead) { |
|
72 $bytesRequested = $len - $this->_bytesRead; |
|
73 } |
|
74 |
|
75 $buffer = substr($this->_sourceString, $this->_bytesRead, $bytesRequested); |
|
76 $this->_bytesRead += $bytesRequested; |
|
77 |
|
78 return $buffer; |
|
79 } |
|
80 |
|
81 /** |
|
82 * The length of the string. |
|
83 * |
|
84 * @return int The length of the string contained in the object. |
|
85 */ |
|
86 public function getSize() |
|
87 { |
|
88 return strlen($this->_sourceString); |
|
89 } |
|
90 |
|
91 |
|
92 } |