|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* This file is part of the League.csv library |
|
4
|
|
|
* |
|
5
|
|
|
* @license http://opensource.org/licenses/MIT |
|
6
|
|
|
* @link https://github.com/thephpleague/csv/ |
|
7
|
|
|
* @version 9.0.0 |
|
8
|
|
|
* @package League.csv |
|
9
|
|
|
* |
|
10
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
11
|
|
|
* file that was distributed with this source code. |
|
12
|
|
|
*/ |
|
13
|
|
|
declare(strict_types=1); |
|
14
|
|
|
|
|
15
|
|
|
namespace League\Csv; |
|
16
|
|
|
|
|
17
|
|
|
use League\Csv\Exception\InvalidArgumentException; |
|
18
|
|
|
use php_user_filter; |
|
19
|
|
|
use Throwable; |
|
20
|
|
|
|
|
21
|
|
|
/** |
|
22
|
|
|
* A stream filter to conform the CSV field to RFC4180 |
|
23
|
|
|
* |
|
24
|
|
|
* @package League.csv |
|
25
|
|
|
* @since 9.0.0 |
|
26
|
|
|
* @author Ignace Nyamagana Butera <[email protected]> |
|
27
|
|
|
*/ |
|
28
|
|
|
class RFC4180Field extends php_user_filter |
|
29
|
|
|
{ |
|
30
|
|
|
use ValidatorTrait; |
|
31
|
|
|
|
|
32
|
|
|
const FILTERNAME = 'league.csv.rfc4180.field'; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* The value being search for |
|
36
|
|
|
* |
|
37
|
|
|
* @var string |
|
38
|
|
|
*/ |
|
39
|
|
|
protected $search; |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* The replacement value that replace found $search values |
|
43
|
|
|
* |
|
44
|
|
|
* @var string |
|
45
|
|
|
*/ |
|
46
|
|
|
protected $replace; |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Static method to register the class as a stream filter |
|
50
|
|
|
*/ |
|
51
|
6 |
|
public static function register() |
|
52
|
|
|
{ |
|
53
|
6 |
|
if (!in_array(self::FILTERNAME, stream_get_filters())) { |
|
54
|
2 |
|
stream_filter_register(self::FILTERNAME, __CLASS__); |
|
55
|
|
|
} |
|
56
|
6 |
|
} |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* Static method to return the stream filter filtername |
|
60
|
|
|
* |
|
61
|
|
|
* @return string |
|
62
|
|
|
*/ |
|
63
|
4 |
|
public static function getFiltername(): string |
|
64
|
|
|
{ |
|
65
|
4 |
|
return self::FILTERNAME; |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* Static method to add the stream filter to a {@link AbstractCsv} object |
|
70
|
|
|
* |
|
71
|
|
|
* @param AbstractCsv $csv |
|
72
|
|
|
* |
|
73
|
|
|
* @return AbstractCsv |
|
74
|
|
|
*/ |
|
75
|
6 |
|
public static function addTo(AbstractCsv $csv): AbstractCsv |
|
76
|
|
|
{ |
|
77
|
6 |
|
self::register(); |
|
78
|
|
|
|
|
79
|
6 |
|
return $csv->addStreamFilter(self::FILTERNAME, [ |
|
80
|
6 |
|
'enclosure' => $csv->getEnclosure(), |
|
81
|
6 |
|
'escape' => $csv->getEscape(), |
|
82
|
6 |
|
'mode' => $csv->getStreamFilterMode(), |
|
83
|
|
|
]); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
/** |
|
87
|
|
|
* @inheritdoc |
|
88
|
|
|
*/ |
|
89
|
14 |
|
public function onCreate() |
|
90
|
|
|
{ |
|
91
|
14 |
|
if (!isset($this->params['enclosure'], $this->params['escape'], $this->params['mode'])) { |
|
92
|
2 |
|
return false; |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
try { |
|
96
|
12 |
|
$enclosure = $this->filterControl($this->params['enclosure'], 'enclosure', __METHOD__); |
|
97
|
10 |
|
$escape = $this->filterControl($this->params['escape'], 'escape', __METHOD__); |
|
98
|
8 |
|
$mode = $this->filterMode($this->params['mode']); |
|
99
|
|
|
|
|
100
|
6 |
|
$this->search = $escape.$enclosure; |
|
101
|
6 |
|
$this->replace = $enclosure.$enclosure; |
|
102
|
6 |
|
if (STREAM_FILTER_WRITE === $mode) { |
|
103
|
4 |
|
$this->replace = $escape.$this->replace; |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
6 |
|
return true; |
|
107
|
6 |
|
} catch (Throwable $e) { |
|
108
|
6 |
|
return false; |
|
109
|
|
|
} |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
/** |
|
113
|
|
|
* Filter the stream filter mode |
|
114
|
|
|
* |
|
115
|
|
|
* @param int $mode stream filter mode |
|
116
|
|
|
* |
|
117
|
|
|
* @throws InvalidArgumentException if the stream filter mode is unknown or unsupported |
|
118
|
|
|
* |
|
119
|
|
|
* @return int |
|
120
|
|
|
*/ |
|
121
|
8 |
|
protected function filterMode(int $mode) |
|
122
|
|
|
{ |
|
123
|
8 |
|
static $mode_list = [STREAM_FILTER_READ => 1, STREAM_FILTER_WRITE => 1]; |
|
124
|
8 |
|
if (isset($mode_list[$mode])) { |
|
125
|
6 |
|
return $mode; |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
2 |
|
throw new InvalidArgumentException(sprintf('The given filter mode `%s` is unknown or unsupported', $mode)); |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
/** |
|
132
|
|
|
* @inheritdoc |
|
133
|
|
|
*/ |
|
134
|
6 |
|
public function filter($in, $out, &$consumed, $closing) |
|
135
|
|
|
{ |
|
136
|
6 |
|
while ($bucket = stream_bucket_make_writeable($in)) { |
|
137
|
6 |
|
$bucket->data = str_replace($this->search, $this->replace, $bucket->data); |
|
138
|
6 |
|
$consumed += $bucket->datalen; |
|
139
|
6 |
|
stream_bucket_append($out, $bucket); |
|
140
|
|
|
} |
|
141
|
|
|
|
|
142
|
6 |
|
return PSFS_PASS_ON; |
|
143
|
|
|
} |
|
144
|
|
|
} |
|
145
|
|
|
|
thephpleague /
csv
