stringfilelike.inc.php
2.49 KB
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
<?php
/**
* $Id$
*
* Filelike wrapper for strings
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* Contributor( s): ______________________________________
*/
require_once(KT_LIB_DIR . '/filelike/filelike.inc.php');
class KTStringFileLike extends KTFileLike {
var $bSupportChunking = true;
var $bIsFSFile = false;
var $iPos = 0;
var $iLen = 0;
function KTStringFileLike ($sString) {
$this->sString = $sString;
$this->iLen = strlen($sString);
}
/**
* Set up any resources needed to perform work.
*/
function open($mode = "r") { }
/**
* Take care of getting rid of any active resources.
*/
function close() { }
/**
* Behaves like fread
*/
function read($iBytes) {
if (($this->iPos + $iBytes) > $this->iLen) {
$iBytes = $this->iLen - $this->iPos;
}
$sRet = substr($this->sString, $this->iPos, $iBytes);
$this->iPos += $iBytes;
return $sRet;
}
/**
* Behaves like fwrite
*/
function write($sData) {
$this->sString .= $sData;
return true;
}
function get_contents() {
return $this->sString;
}
function put_contents($sData) {
$this->sString = $sData;
return true;
}
function eof() {
if ($this->iPos >= $this->iLen) {
return true;
}
return false;
}
function filesize() {
return strlen($this->sString);
}
}
?>