|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* This file is part of graze/data-file |
|
4
|
|
|
* |
|
5
|
|
|
* Copyright (c) 2016 Nature Delivered Ltd. <https://www.graze.com> |
|
6
|
|
|
* |
|
7
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
8
|
|
|
* file that was distributed with this source code. |
|
9
|
|
|
* |
|
10
|
|
|
* @license https://github.com/graze/data-file/blob/master/LICENSE.md |
|
11
|
|
|
* @link https://github.com/graze/data-file |
|
12
|
|
|
*/ |
|
13
|
|
|
|
|
14
|
|
|
namespace Graze\DataFile\Format\Parser; |
|
15
|
|
|
|
|
16
|
|
|
use ArrayIterator; |
|
17
|
|
|
use Graze\DataFile\Format\JsonFormatInterface; |
|
18
|
|
|
use Graze\DataFile\Helper\LineStreamIterator; |
|
19
|
|
|
use Graze\DataFile\Helper\MapIterator; |
|
20
|
|
|
use Iterator; |
|
21
|
|
|
use RuntimeException; |
|
22
|
|
|
|
|
23
|
|
|
class JsonParser implements ParserInterface |
|
24
|
|
|
{ |
|
25
|
|
|
const JSON_DEFAULT_DEPTH = 512; |
|
26
|
|
|
|
|
27
|
|
|
/** @var JsonFormatInterface */ |
|
28
|
|
|
private $format; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* JsonFormatter constructor. |
|
32
|
|
|
* |
|
33
|
|
|
* @param JsonFormatInterface $format |
|
34
|
|
|
*/ |
|
35
|
8 |
|
public function __construct(JsonFormatInterface $format) |
|
36
|
|
|
{ |
|
37
|
8 |
|
$this->format = $format; |
|
38
|
8 |
|
} |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* @param resource $stream |
|
42
|
|
|
* |
|
43
|
|
|
* @return Iterator |
|
44
|
|
|
*/ |
|
45
|
7 |
|
public function parse($stream) |
|
46
|
|
|
{ |
|
47
|
7 |
|
if ($this->format->isEachLine()) { |
|
48
|
4 |
|
$iterator = new LineStreamIterator( |
|
49
|
|
|
$stream, |
|
50
|
|
|
[ |
|
51
|
4 |
|
LineStreamIterator::OPTION_ENDING => "\n", |
|
52
|
4 |
|
LineStreamIterator::OPTION_IGNORE_BLANK => $this->format->isIgnoreBlankLines(), |
|
53
|
|
|
LineStreamIterator::OPTION_INCLUDE_ENDING => false, |
|
54
|
|
|
] |
|
55
|
|
|
); |
|
56
|
4 |
|
$iterator->setIgnoreBlank($this->format->isIgnoreBlankLines()); |
|
57
|
4 |
|
return new MapIterator($iterator, [$this, 'decodeJson']); |
|
58
|
|
|
} else { |
|
59
|
3 |
|
$json = $this->decodeJson(stream_get_contents($stream)); |
|
60
|
3 |
|
if (is_array($json)) { |
|
61
|
2 |
|
return new ArrayIterator($json); |
|
62
|
|
|
} else { |
|
63
|
1 |
|
throw new RuntimeException("Expecting a json array to parse, unknown format detected"); |
|
64
|
|
|
} |
|
65
|
|
|
} |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* @param string $string |
|
70
|
|
|
* |
|
71
|
|
|
* @return mixed |
|
72
|
|
|
*/ |
|
73
|
6 |
|
public function decodeJson($string) |
|
74
|
|
|
{ |
|
75
|
6 |
|
return json_decode( |
|
76
|
|
|
$string, |
|
77
|
6 |
|
$this->format->isJsonDecodeAssoc(), |
|
78
|
6 |
|
static::JSON_DEFAULT_DEPTH, |
|
79
|
6 |
|
$this->format->getJsonDecodeOptions() |
|
80
|
|
|
); |
|
81
|
|
|
} |
|
82
|
|
|
} |
|
83
|
|
|
|
graze /
data-file
