|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Remorhaz\Lexer\Runtime\Token; |
|
6
|
|
|
|
|
7
|
|
|
use function array_shift; |
|
8
|
|
|
use function array_unshift; |
|
9
|
|
|
use function count; |
|
10
|
|
|
|
|
11
|
|
|
final class MatcherSelector implements MatcherSelectorInterface |
|
12
|
|
|
{ |
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* @var TokenMatcherInterface[] |
|
16
|
|
|
* @psalm-var array<string,TokenMatcherInterface> |
|
17
|
|
|
*/ |
|
18
|
|
|
private $matchers; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* @var string[] |
|
22
|
|
|
* @psalm-var array<int,string> |
|
23
|
|
|
*/ |
|
24
|
|
|
private $matcherKeys = []; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @param TokenMatcherInterface[] $matchers |
|
28
|
|
|
* @psalm-param array<string,TokenMatcherInterface> $matchers |
|
29
|
|
|
* @param string $startMatcherKey |
|
30
|
|
|
*/ |
|
31
|
6 |
|
public function __construct(array $matchers, string $startMatcherKey) |
|
32
|
|
|
{ |
|
33
|
6 |
|
$this->matchers = $matchers; |
|
34
|
6 |
|
$this->setMatcher($startMatcherKey); |
|
35
|
5 |
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* @param string $matcherKey |
|
39
|
|
|
* @return TokenMatcherInterface |
|
40
|
|
|
* @psalm-pure |
|
41
|
|
|
*/ |
|
42
|
3 |
|
private function getMatcherByKey(string $matcherKey): TokenMatcherInterface |
|
43
|
|
|
{ |
|
44
|
3 |
|
if (isset($this->matchers[$matcherKey])) { |
|
45
|
3 |
|
return $this->matchers[$matcherKey]; |
|
46
|
|
|
} |
|
47
|
|
|
// @codeCoverageIgnoreStart |
|
48
|
|
|
throw new Exception\MatcherNotFoundException($matcherKey); |
|
49
|
|
|
// @codeCoverageIgnoreEnd |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* {@inheritDoc} |
|
54
|
|
|
* |
|
55
|
|
|
* @return TokenMatcherInterface |
|
56
|
|
|
* @psalm-pure |
|
57
|
|
|
*/ |
|
58
|
3 |
|
public function getMatcher(): TokenMatcherInterface |
|
59
|
|
|
{ |
|
60
|
3 |
|
if (isset($this->matcherKeys[0])) { |
|
61
|
3 |
|
return $this->getMatcherByKey($this->matcherKeys[0]); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
// @codeCoverageIgnoreStart |
|
65
|
|
|
throw new Exception\MatcherKeyNotFoundException(); |
|
66
|
|
|
// @codeCoverageIgnoreEnd |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
|
|
/** |
|
70
|
|
|
* {@inheritDoc} |
|
71
|
|
|
* |
|
72
|
|
|
* @param string $matcherKey |
|
73
|
|
|
*/ |
|
74
|
6 |
|
public function setMatcher(string $matcherKey): void |
|
75
|
|
|
{ |
|
76
|
6 |
|
if (!isset($this->matchers[$matcherKey])) { |
|
77
|
2 |
|
throw new Exception\MatcherNotFoundException($matcherKey); |
|
78
|
|
|
} |
|
79
|
5 |
|
array_unshift($this->matcherKeys, $matcherKey); |
|
80
|
5 |
|
} |
|
81
|
|
|
|
|
82
|
|
|
/** |
|
83
|
|
|
* {@inheritDoc} |
|
84
|
|
|
*/ |
|
85
|
2 |
|
public function restoreMatcher(): void |
|
86
|
|
|
{ |
|
87
|
2 |
|
if (count($this->matcherKeys) == 1) { |
|
88
|
1 |
|
throw new Exception\MatcherNotRestoredException(); |
|
89
|
|
|
} |
|
90
|
1 |
|
array_shift($this->matcherKeys); |
|
91
|
1 |
|
} |
|
92
|
|
|
} |
|
93
|
|
|
|
remorhaz /
php-lexer-runtime
