|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* this file is part of pipelines */ |
|
4
|
|
|
|
|
5
|
|
|
namespace Ktomk\Pipelines\Yaml; |
|
6
|
|
|
|
|
7
|
|
|
use Ktomk\Pipelines\LibFsStream; |
|
8
|
|
|
|
|
9
|
|
|
class Yaml |
|
10
|
|
|
{ |
|
11
|
|
|
/** |
|
12
|
|
|
* @var array of Yaml parser classes |
|
13
|
|
|
* |
|
14
|
|
|
* @see ParserInterface |
|
15
|
|
|
* @see Yaml::parser() |
|
16
|
|
|
*/ |
|
17
|
|
|
public static $classes = array(); |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* @param string $file |
|
21
|
|
|
* |
|
22
|
|
|
* @throws ParseException |
|
23
|
|
|
* @throws \InvalidArgumentException |
|
24
|
|
|
* |
|
25
|
|
|
* @return array |
|
26
|
|
|
*/ |
|
27
|
3 |
|
public static function file($file) |
|
28
|
|
|
{ |
|
29
|
3 |
|
$path = '-' === $file ? 'php://stdin' : $file; |
|
30
|
|
|
|
|
31
|
3 |
|
$path = LibFsStream::fdToPhp($path); |
|
32
|
|
|
|
|
33
|
3 |
|
if (!LibFsStream::isReadable($path)) { |
|
34
|
1 |
|
throw new \InvalidArgumentException( |
|
35
|
1 |
|
sprintf("not a readable file: '%s'", $file) |
|
36
|
|
|
); |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
2 |
|
return self::parser()->parseFile($path); |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* @param string $file |
|
44
|
|
|
* |
|
45
|
|
|
* @throws \InvalidArgumentException |
|
46
|
|
|
* |
|
47
|
|
|
* @return null|array |
|
48
|
|
|
*/ |
|
49
|
1 |
|
public static function tryFile($file) |
|
50
|
|
|
{ |
|
51
|
|
|
try { |
|
52
|
1 |
|
return self::file($file); |
|
53
|
1 |
|
} catch (ParseException $ex) { |
|
54
|
1 |
|
return null; |
|
55
|
|
|
} |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* error-free (suppressed) file_get_contents() |
|
60
|
|
|
* |
|
61
|
|
|
* available for implementations aligned with {@see Yaml::file()} |
|
62
|
|
|
* that already checks readability before getting the contents. |
|
63
|
|
|
* |
|
64
|
|
|
* fall-back on file-reading error is null. |
|
65
|
|
|
* |
|
66
|
|
|
* @param string $path |
|
67
|
|
|
* @param callable $parseBuffer function(string $buffer): array|null |
|
68
|
|
|
* |
|
69
|
|
|
* @return null|array |
|
70
|
|
|
*/ |
|
71
|
4 |
|
public static function fileDelegate($path, $parseBuffer) |
|
72
|
|
|
{ |
|
73
|
4 |
|
$buffer = @file_get_contents($path); |
|
74
|
|
|
|
|
75
|
4 |
|
return false === $buffer ? null : call_user_func($parseBuffer, $buffer); |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* @param string $buffer |
|
80
|
|
|
* |
|
81
|
|
|
* @return null|array |
|
82
|
|
|
*/ |
|
83
|
2 |
|
public static function buffer($buffer) |
|
84
|
|
|
{ |
|
85
|
2 |
|
return self::parser()->tryParseBuffer($buffer); |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* @return ParserInterface |
|
90
|
|
|
*/ |
|
91
|
4 |
|
private static function parser() |
|
92
|
|
|
{ |
|
93
|
4 |
|
$classes = self::$classes ?: array( |
|
94
|
3 |
|
'Ktomk\Pipelines\Yaml\LibYaml', |
|
95
|
|
|
'Ktomk\Pipelines\Yaml\Sf2Yaml', |
|
96
|
|
|
); |
|
97
|
|
|
|
|
98
|
4 |
|
foreach ($classes as $class) { |
|
99
|
|
|
if ( |
|
100
|
4 |
|
class_exists($class) |
|
101
|
4 |
|
&& is_subclass_of($class, 'Ktomk\Pipelines\Yaml\ParserInterface') |
|
102
|
4 |
|
&& $class::isAvailable() |
|
103
|
|
|
) { |
|
104
|
3 |
|
return new $class(); |
|
105
|
|
|
} |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
1 |
|
throw new \BadMethodCallException(sprintf('No YAML parser available')); |
|
109
|
|
|
} |
|
110
|
|
|
} |
|
111
|
|
|
|
ktomk /
pipelines
