|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Remorhaz\UniLex\Lexer; |
|
6
|
|
|
|
|
7
|
|
|
use Remorhaz\UniLex\Exception; |
|
8
|
|
|
use Remorhaz\UniLex\IO\CharBufferInterface; |
|
9
|
|
|
use Remorhaz\UniLex\IO\TokenExtractInterface; |
|
10
|
|
|
|
|
11
|
|
|
abstract class TokenMatcherTemplate implements TokenMatcherInterface |
|
12
|
|
|
{ |
|
13
|
|
|
private $token; |
|
14
|
|
|
|
|
15
|
|
|
private $mode = self::DEFAULT_MODE; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
* @return Token |
|
19
|
|
|
* @throws Exception |
|
20
|
|
|
*/ |
|
21
|
|
|
public function getToken(): Token |
|
22
|
|
|
{ |
|
23
|
|
|
if (!isset($this->token)) { |
|
24
|
|
|
throw new Exception("Token is not defined"); |
|
25
|
|
|
} |
|
26
|
|
|
|
|
27
|
|
|
return $this->token; |
|
28
|
|
|
} |
|
29
|
|
|
|
|
30
|
|
|
protected function createContext( |
|
31
|
|
|
CharBufferInterface $buffer, |
|
32
|
|
|
TokenFactoryInterface $tokenFactory |
|
33
|
|
|
): TokenMatcherContextInterface { |
|
34
|
|
|
$onConstruct = function (): void { |
|
35
|
|
|
unset($this->token); |
|
36
|
|
|
}; |
|
37
|
|
|
$onSetNewToken = function (int $tokenType) use ($tokenFactory): void { |
|
38
|
|
|
$this->token = $tokenFactory->createToken($tokenType); |
|
39
|
|
|
}; |
|
40
|
|
|
$onGetToken = function (): Token { |
|
41
|
|
|
return $this->getToken(); |
|
42
|
|
|
}; |
|
43
|
|
|
$onSetMode = function (string $mode): void { |
|
44
|
|
|
$this->mode = $mode; |
|
45
|
|
|
}; |
|
46
|
|
|
$onGetMode = function (): string { |
|
47
|
|
|
return $this->mode; |
|
48
|
|
|
}; |
|
49
|
|
|
|
|
50
|
|
|
return new class ( |
|
51
|
|
|
$buffer, |
|
52
|
|
|
$onConstruct, |
|
53
|
|
|
$onSetNewToken, |
|
54
|
|
|
$onGetToken, |
|
55
|
|
|
$onSetMode, |
|
56
|
|
|
$onGetMode |
|
57
|
|
|
) implements TokenMatcherContextInterface |
|
58
|
|
|
{ |
|
59
|
|
|
private $buffer; |
|
60
|
|
|
|
|
61
|
|
|
private $onSetNewToken; |
|
62
|
|
|
|
|
63
|
|
|
private $onGetToken; |
|
64
|
|
|
|
|
65
|
|
|
private $onSetMode; |
|
66
|
|
|
|
|
67
|
|
|
private $onGetMode; |
|
68
|
|
|
|
|
69
|
|
|
public function __construct( |
|
70
|
|
|
CharBufferInterface $buffer, |
|
71
|
|
|
callable $onConstruct, |
|
72
|
|
|
callable $onSetNewToken, |
|
73
|
|
|
callable $onGetToken, |
|
74
|
|
|
callable $onSetMode, |
|
75
|
|
|
callable $onGetMode |
|
76
|
|
|
) { |
|
77
|
|
|
$this->buffer = $buffer; |
|
78
|
|
|
$this->onSetNewToken = $onSetNewToken; |
|
79
|
|
|
$this->onGetToken = $onGetToken; |
|
80
|
|
|
$this->onSetMode = $onSetMode; |
|
81
|
|
|
$this->onGetMode = $onGetMode; |
|
82
|
|
|
call_user_func($onConstruct); |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
public function setNewToken(int $tokenType): TokenMatcherContextInterface |
|
86
|
|
|
{ |
|
87
|
|
|
call_user_func($this->onSetNewToken, $tokenType); |
|
88
|
|
|
|
|
89
|
|
|
return $this; |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
/** |
|
93
|
|
|
* @param string $name |
|
94
|
|
|
* @param $value |
|
95
|
|
|
* @return TokenMatcherContextInterface |
|
96
|
|
|
*/ |
|
97
|
|
|
public function setTokenAttribute(string $name, $value): TokenMatcherContextInterface |
|
98
|
|
|
{ |
|
99
|
|
|
$this |
|
100
|
|
|
->getToken() |
|
101
|
|
|
->setAttribute($name, $value); |
|
102
|
|
|
|
|
103
|
|
|
return $this; |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
|
|
public function getToken(): Token |
|
107
|
|
|
{ |
|
108
|
|
|
return call_user_func($this->onGetToken); |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
|
|
public function getBuffer(): CharBufferInterface |
|
112
|
|
|
{ |
|
113
|
|
|
return $this->buffer; |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
public function getSymbolString(): string |
|
117
|
|
|
{ |
|
118
|
|
|
$buffer = $this->getBuffer(); |
|
119
|
|
|
if ($buffer instanceof TokenExtractInterface) { |
|
120
|
|
|
return $buffer->getTokenAsString(); |
|
121
|
|
|
} |
|
122
|
|
|
throw new Exception("Extracting strings is not supported by buffer"); |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
public function getSymbolList(): array |
|
126
|
|
|
{ |
|
127
|
|
|
$buffer = $this->getBuffer(); |
|
128
|
|
|
if ($buffer instanceof TokenExtractInterface) { |
|
129
|
|
|
return $buffer->getTokenAsArray(); |
|
130
|
|
|
} |
|
131
|
|
|
throw new Exception("Extracting arrays is not supported by buffer"); |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
|
|
public function getMode(): string |
|
135
|
|
|
{ |
|
136
|
|
|
return call_user_func($this->onGetMode); |
|
137
|
|
|
} |
|
138
|
|
|
|
|
139
|
|
|
public function setMode(string $mode): TokenMatcherContextInterface |
|
140
|
|
|
{ |
|
141
|
|
|
call_user_func($this->onSetMode, $mode); |
|
142
|
|
|
|
|
143
|
|
|
return $this; |
|
144
|
|
|
} |
|
145
|
|
|
}; |
|
146
|
|
|
} |
|
147
|
|
|
} |
|
148
|
|
|
|
remorhaz /
php-unilex
