|
1
|
|
|
<?php |
|
2
|
|
|
/* |
|
3
|
|
|
Copyright (c) 2003, 2005, 2006, 2009 Danilo Segan <[email protected]>. |
|
4
|
|
|
|
|
5
|
|
|
This file is part of PHP-gettext. |
|
6
|
|
|
|
|
7
|
|
|
PHP-gettext is free software; you can redistribute it and/or modify |
|
8
|
|
|
it under the terms of the GNU General Public License as published by |
|
9
|
|
|
the Free Software Foundation; either version 2 of the License, or |
|
10
|
|
|
(at your option) any later version. |
|
11
|
|
|
|
|
12
|
|
|
PHP-gettext is distributed in the hope that it will be useful, |
|
13
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
14
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
15
|
|
|
GNU General Public License for more details. |
|
16
|
|
|
|
|
17
|
|
|
You should have received a copy of the GNU General Public License |
|
18
|
|
|
along with PHP-gettext; if not, write to the Free Software |
|
19
|
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
20
|
|
|
|
|
21
|
|
|
*/ |
|
22
|
|
|
|
|
23
|
|
|
|
|
24
|
|
|
// Simple class to wrap file streams, string streams, etc. |
|
25
|
|
|
// seek is essential, and it should be byte stream |
|
26
|
|
|
class StreamReader { |
|
27
|
|
|
// should return a string [FIXME: perhaps return array of bytes?] |
|
28
|
|
|
function read($bytes) { |
|
29
|
|
|
return false; |
|
30
|
|
|
} |
|
31
|
|
|
|
|
32
|
|
|
// should return new position |
|
33
|
|
|
function seekto($position) { |
|
34
|
|
|
return false; |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
// returns current position |
|
38
|
|
|
function currentpos() { |
|
39
|
|
|
return false; |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
// returns length of entire stream (limit for seekto()s) |
|
43
|
|
|
function length() { |
|
44
|
|
|
return false; |
|
45
|
|
|
} |
|
46
|
|
|
}; |
|
47
|
|
|
|
|
48
|
|
|
class StringReader { |
|
49
|
|
|
var $_pos; |
|
50
|
|
|
var $_str; |
|
51
|
|
|
|
|
52
|
|
|
function __construct($str='') { |
|
53
|
|
|
$this->_str = $str; |
|
54
|
|
|
$this->_pos = 0; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
function read($bytes) { |
|
58
|
|
|
$data = substr($this->_str, $this->_pos, $bytes); |
|
59
|
|
|
$this->_pos += $bytes; |
|
60
|
|
|
if (strlen($this->_str)<$this->_pos) |
|
61
|
|
|
$this->_pos = strlen($this->_str); |
|
62
|
|
|
|
|
63
|
|
|
return $data; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
function seekto($pos) { |
|
67
|
|
|
$this->_pos = $pos; |
|
68
|
|
|
if (strlen($this->_str)<$this->_pos) |
|
69
|
|
|
$this->_pos = strlen($this->_str); |
|
70
|
|
|
return $this->_pos; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
function currentpos() { |
|
74
|
|
|
return $this->_pos; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
function length() { |
|
78
|
|
|
return strlen($this->_str); |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
}; |
|
82
|
|
|
|
|
83
|
|
|
|
|
84
|
|
|
class FileReader { |
|
85
|
|
|
var $_pos; |
|
86
|
|
|
var $_fd; |
|
87
|
|
|
var $_length; |
|
88
|
|
|
|
|
89
|
|
|
function __construct($filename) { |
|
90
|
|
|
if (file_exists($filename)) { |
|
91
|
|
|
|
|
92
|
|
|
$this->_length=filesize($filename); |
|
93
|
|
|
$this->_pos = 0; |
|
94
|
|
|
$this->_fd = fopen($filename,'rb'); |
|
95
|
|
|
if (!$this->_fd) { |
|
96
|
|
|
$this->error = 3; // Cannot read file, probably permissions |
|
97
|
|
|
return false; |
|
98
|
|
|
} |
|
99
|
|
|
} else { |
|
100
|
|
|
$this->error = 2; // File doesn't exist |
|
101
|
|
|
return false; |
|
102
|
|
|
} |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
function read($bytes) { |
|
106
|
|
|
if ($bytes) { |
|
107
|
|
|
fseek($this->_fd, $this->_pos); |
|
108
|
|
|
|
|
109
|
|
|
// PHP 5.1.1 does not read more than 8192 bytes in one fread() |
|
110
|
|
|
// the discussions at PHP Bugs suggest it's the intended behaviour |
|
111
|
|
|
$data = ''; |
|
112
|
|
|
while ($bytes > 0) { |
|
113
|
|
|
$chunk = fread($this->_fd, $bytes); |
|
114
|
|
|
$data .= $chunk; |
|
115
|
|
|
$bytes -= strlen($chunk); |
|
116
|
|
|
} |
|
117
|
|
|
$this->_pos = ftell($this->_fd); |
|
118
|
|
|
|
|
119
|
|
|
return $data; |
|
120
|
|
|
} else return ''; |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
|
|
function seekto($pos) { |
|
124
|
|
|
fseek($this->_fd, $pos); |
|
125
|
|
|
$this->_pos = ftell($this->_fd); |
|
126
|
|
|
return $this->_pos; |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
function currentpos() { |
|
130
|
|
|
return $this->_pos; |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
function length() { |
|
134
|
|
|
return $this->_length; |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
function close() { |
|
138
|
|
|
fclose($this->_fd); |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
|
|
}; |
|
142
|
|
|
|
|
143
|
|
|
// Preloads entire file in memory first, then creates a StringReader |
|
144
|
|
|
// over it (it assumes knowledge of StringReader internals) |
|
145
|
|
|
class CachedFileReader extends StringReader { |
|
146
|
|
|
function __construct($filename) { |
|
147
|
|
|
if (file_exists($filename)) { |
|
148
|
|
|
|
|
149
|
|
|
$length=filesize($filename); |
|
150
|
|
|
$fd = fopen($filename,'rb'); |
|
151
|
|
|
|
|
152
|
|
|
if (!$fd) { |
|
153
|
|
|
$this->error = 3; // Cannot read file, probably permissions |
|
154
|
|
|
return false; |
|
155
|
|
|
} |
|
156
|
|
|
$this->_str = fread($fd, $length); |
|
157
|
|
|
fclose($fd); |
|
158
|
|
|
|
|
159
|
|
|
} else { |
|
160
|
|
|
$this->error = 2; // File doesn't exist |
|
161
|
|
|
return false; |
|
162
|
|
|
} |
|
163
|
|
|
} |
|
164
|
|
|
}; |
|
165
|
|
|
|
|
166
|
|
|
|
|
167
|
|
|
?> |
|
168
|
|
|
|
UB-Mannheim /
PalMA
