|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Logikos\Util\Config; |
|
4
|
|
|
|
|
5
|
|
|
use Logikos\Util\Config; |
|
6
|
|
|
|
|
7
|
|
|
class PathEval { |
|
8
|
|
|
/** |
|
9
|
|
|
* @var Config |
|
10
|
|
|
*/ |
|
11
|
|
|
private $config; |
|
12
|
|
|
|
|
13
|
5 |
|
public function __construct(Config $config) { |
|
14
|
5 |
|
$this->config = $config; |
|
15
|
5 |
|
} |
|
16
|
|
|
|
|
17
|
5 |
|
public function find($path, $default=null, $delimiter='.') { |
|
18
|
5 |
|
if ($this->pathStartsWithConfig($path, $delimiter)) |
|
19
|
3 |
|
return $this->evalSubPath($path, $delimiter, $default); |
|
20
|
|
|
|
|
21
|
5 |
|
return $this->get($this->getFirstToken($path, $delimiter), $default); |
|
22
|
|
|
} |
|
23
|
|
|
|
|
24
|
5 |
|
private function get($name, $default=null) { |
|
25
|
5 |
|
return $this->config->get($name, $default); |
|
26
|
|
|
} |
|
27
|
|
|
|
|
28
|
5 |
|
private function pathStartsWithConfig($path, $delimiter) { |
|
29
|
5 |
|
return $this->getFirstTokenValue($path, $delimiter) instanceof Config; |
|
30
|
|
|
} |
|
31
|
|
|
|
|
32
|
5 |
|
private function getFirstTokenValue($path, $delimiter) { |
|
33
|
5 |
|
return $this->get($this->getFirstToken($path, $delimiter)); |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
5 |
|
private function getFirstToken($path, $delimiter) { |
|
37
|
5 |
|
return $this->gettok($path, $delimiter,0); |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
3 |
|
private function evalSubPath($path, $delimiter, $default) { |
|
41
|
3 |
|
return $this->getFirstTokenValue($path, $delimiter)->path( |
|
42
|
3 |
|
$this->subtok($path, $delimiter, 1), |
|
43
|
3 |
|
$default, |
|
44
|
3 |
|
$delimiter |
|
45
|
|
|
); |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* subtok(string, delimiter, offset, length) |
|
50
|
|
|
* |
|
51
|
|
|
* Usage: |
|
52
|
|
|
* subtok('a.b.c.d.e','.',0) = 'a.b.c.d.e' |
|
53
|
|
|
* subtok('a.b.c.d.e','.',0,2) = 'a.b' |
|
54
|
|
|
* subtok('a.b.c.d.e','.',2,1) = 'c' |
|
55
|
|
|
* subtok('a.b.c.d.e','.',2,-1) = 'c.d' |
|
56
|
|
|
* subtok('a.b.c.d.e','.',-4) = 'b.c.d.e' |
|
57
|
|
|
* subtok('a.b.c.d.e','.',-4,2) = 'b.c' |
|
58
|
|
|
* subtok('a.b.c.d.e','.',-4,-1) = 'b.c.d' |
|
59
|
|
|
* |
|
60
|
|
|
* @param string $string The input string |
|
61
|
|
|
* @param string $delimiter The boundary string |
|
62
|
|
|
* @param int $offset starting position, like in substr |
|
63
|
|
|
* @param int|null $length length, like in substr |
|
64
|
|
|
* @return string |
|
65
|
|
|
*/ |
|
66
|
3 |
|
private function subtok($string, $delimiter, $offset, $length = NULL) { |
|
67
|
3 |
|
return implode($delimiter, array_slice(explode($delimiter, $string), $offset, $length)); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
5 |
|
private function gettok($string, $delimiter, $offset) { |
|
71
|
5 |
|
return explode($delimiter, $string)[$offset]; |
|
72
|
|
|
} |
|
73
|
|
|
} |
logikostech /
util
