1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* Highlighter |
4
|
|
|
* |
5
|
|
|
* Copyright (C) 2016, Some right reserved. |
6
|
|
|
* |
7
|
|
|
* @author Kacper "Kadet" Donat <[email protected]> |
8
|
|
|
* |
9
|
|
|
* Contact with author: |
10
|
|
|
* Xmpp: [email protected] |
11
|
|
|
* E-mail: [email protected] |
12
|
|
|
* |
13
|
|
|
* From Kadet with love. |
14
|
|
|
*/ |
15
|
|
|
|
16
|
|
|
namespace Kadet\Highlighter\Parser\Token; |
17
|
|
|
|
18
|
|
|
use Kadet\Highlighter\Language\Language; |
19
|
|
|
use Kadet\Highlighter\Parser\Context; |
20
|
|
|
use Kadet\Highlighter\Parser\Result; |
21
|
|
|
use Kadet\Highlighter\Parser\Rule; |
22
|
|
|
use Kadet\Highlighter\Parser\TokenIterator; |
23
|
|
|
use Kadet\Highlighter\Parser\Validator\Validator; |
24
|
|
|
use Kadet\Highlighter\Utils\Helper; |
25
|
|
|
|
26
|
|
|
class Token |
27
|
|
|
{ |
28
|
|
|
const NAME = null; |
29
|
|
|
const START = 0x1; |
30
|
|
|
const END = 0x2; |
31
|
|
|
|
32
|
|
|
protected static $_id = 0; |
33
|
|
|
|
34
|
|
|
public $pos; |
35
|
|
|
public $name; |
36
|
|
|
public $index = 1; |
37
|
|
|
public $id; |
38
|
|
|
public $rule; |
39
|
|
|
|
40
|
|
|
# region >>> cache |
41
|
|
|
/** |
42
|
|
|
* @var static|null|false |
43
|
|
|
*/ |
44
|
|
|
protected $_end; |
45
|
|
|
|
46
|
|
|
/** |
47
|
|
|
* @var static|null|false |
48
|
|
|
*/ |
49
|
|
|
protected $_start; |
50
|
|
|
|
51
|
|
|
protected $_valid; |
52
|
|
|
protected $_length; |
53
|
|
|
# endregion |
54
|
|
|
|
55
|
|
|
/** |
56
|
|
|
* Token constructor. |
57
|
|
|
* |
58
|
|
|
* @param null $name |
59
|
|
|
* @param array $options |
60
|
|
|
*/ |
61
|
48 |
|
public function __construct($name = null, array $options = []) |
62
|
|
|
{ |
63
|
48 |
|
$this->name = $name; |
64
|
|
|
|
65
|
48 |
|
if (isset($options['pos'])) { |
66
|
45 |
|
$this->pos = $options['pos']; |
67
|
45 |
|
} |
68
|
|
|
|
69
|
48 |
|
if (isset($options['index'])) { |
70
|
33 |
|
$this->index = $options['index']; |
71
|
6 |
|
} |
72
|
|
|
|
73
|
48 |
|
$this->rule = isset($options['rule']) ? $options['rule'] : new Rule(); |
74
|
|
|
|
75
|
48 |
|
$this->id = ++self::$_id; |
76
|
48 |
|
} |
77
|
|
|
|
78
|
33 |
|
public function isStart() |
79
|
|
|
{ |
80
|
33 |
|
return $this->_start === null; |
81
|
|
|
} |
82
|
|
|
|
83
|
31 |
|
public function isEnd() |
84
|
|
|
{ |
85
|
31 |
|
return $this->_end === null; |
86
|
|
|
} |
87
|
|
|
|
88
|
14 |
|
public function isValid(Context $context) |
89
|
|
|
{ |
90
|
14 |
|
if ($this->_valid === null) { |
91
|
13 |
|
$this->validate($context); |
92
|
13 |
|
} |
93
|
|
|
|
94
|
14 |
|
return $this->_valid; |
95
|
|
|
} |
96
|
|
|
|
97
|
11 |
|
protected function validate(Context $context) |
98
|
|
|
{ |
99
|
11 |
|
$this->setValid( |
100
|
11 |
|
$context->language === $this->rule->language && |
101
|
11 |
|
$this->rule->validator->validate($context, $this->isEnd() ? [$this->name => Validator::CONTEXT_IN] : []) |
102
|
11 |
|
); |
103
|
11 |
|
} |
104
|
|
|
|
105
|
14 |
|
public function setValid($valid = true) |
106
|
|
|
{ |
107
|
14 |
|
$this->_valid = $valid; |
108
|
|
|
|
109
|
14 |
|
if ($this->_end) { |
110
|
11 |
|
$this->_end->_valid = $this->_valid; |
111
|
14 |
|
} elseif ($this->_start) { |
112
|
12 |
|
$this->_start->_valid = $this->_valid; |
113
|
12 |
|
} |
114
|
14 |
|
} |
115
|
|
|
|
116
|
|
|
/** |
117
|
|
|
* @return Token|null|false |
118
|
|
|
*/ |
119
|
29 |
|
public function getStart() |
120
|
|
|
{ |
121
|
29 |
|
return $this->_start; |
122
|
|
|
} |
123
|
|
|
|
124
|
|
|
/** |
125
|
|
|
* @param Token|null|false $start |
126
|
|
|
*/ |
127
|
11 |
View Code Duplication |
public function setStart($start = null) |
128
|
|
|
{ |
129
|
11 |
|
$this->_end = null; |
130
|
11 |
|
$this->_start = $start; |
131
|
|
|
|
132
|
11 |
|
if ($start instanceof Token) { |
133
|
11 |
|
$this->_start->_length = null; |
134
|
11 |
|
$start->_end = $this; |
135
|
11 |
|
} |
136
|
11 |
|
} |
137
|
|
|
|
138
|
|
|
/** |
139
|
|
|
* @return Token|null|false |
140
|
|
|
*/ |
141
|
38 |
|
public function getEnd() |
142
|
|
|
{ |
143
|
38 |
|
return $this->_end; |
144
|
|
|
} |
145
|
|
|
|
146
|
|
|
/** |
147
|
|
|
* @param Token|null|false $end |
148
|
|
|
*/ |
149
|
46 |
View Code Duplication |
public function setEnd($end = null) |
150
|
|
|
{ |
151
|
46 |
|
$this->_start = null; |
152
|
46 |
|
$this->_end = $end; |
153
|
46 |
|
$this->_length = null; |
154
|
|
|
|
155
|
46 |
|
if ($end instanceof Token) { |
156
|
46 |
|
$end->_start = $this; |
157
|
46 |
|
} |
158
|
46 |
|
} |
159
|
|
|
|
160
|
2 |
|
public function getLength() |
161
|
|
|
{ |
162
|
2 |
|
if ($this->_length === null) { |
163
|
2 |
|
$this->_length = !$this->_end ? 0 : $this->_end->pos - $this->pos; |
164
|
2 |
|
} |
165
|
|
|
|
166
|
2 |
|
return $this->_length; |
167
|
|
|
} |
168
|
|
|
|
169
|
11 |
|
public function __get($name) |
170
|
|
|
{ |
171
|
11 |
|
return $this->rule->$name; |
172
|
|
|
} |
173
|
|
|
|
174
|
|
|
/** |
175
|
|
|
* @param Context $context |
176
|
|
|
* @param Language $language |
177
|
|
|
* @param Result $result |
178
|
|
|
* @param TokenIterator $tokens |
179
|
|
|
* |
180
|
|
|
* todo: Documentation |
181
|
|
|
* |
182
|
|
|
* @return bool Return true to continue processing, false to return already processed tokens. |
183
|
|
|
*/ |
184
|
11 |
|
public function process(Context $context, Language $language, Result $result, TokenIterator $tokens) { |
185
|
11 |
|
if(!$this->isValid($context)) { |
186
|
3 |
|
return true; |
187
|
|
|
} |
188
|
|
|
|
189
|
11 |
|
return $this->isStart() ? |
190
|
11 |
|
$this->processStart($context, $language, $result, $tokens) : |
191
|
11 |
|
$this->processEnd($context, $language, $result, $tokens); |
192
|
|
|
} |
193
|
|
|
|
194
|
10 |
|
protected function processStart(Context $context, Language $language, Result $result, TokenIterator $tokens) { |
|
|
|
|
195
|
10 |
|
$result->append($this); |
196
|
10 |
|
$context->push($this); |
197
|
|
|
|
198
|
10 |
|
return true; |
199
|
|
|
} |
200
|
|
|
|
201
|
9 |
|
protected function processEnd(Context $context, Language $language, Result $result, TokenIterator $tokens) { |
|
|
|
|
202
|
9 |
|
if($this->_start) { |
203
|
8 |
|
$context->pop($this->_start); |
204
|
8 |
|
} else { |
205
|
1 |
|
if (($start = $context->find($this->name)) !== false) { |
206
|
1 |
|
$this->setStart($tokens[$start]); |
207
|
|
|
|
208
|
1 |
|
unset($context->stack[$start]); |
209
|
1 |
|
} |
210
|
|
|
} |
211
|
|
|
|
212
|
9 |
|
if (!$this->_start instanceof MetaToken) { |
213
|
9 |
|
$result->append($this); |
214
|
9 |
|
} |
215
|
|
|
|
216
|
9 |
|
return true; |
217
|
|
|
} |
218
|
|
|
|
219
|
13 |
|
public static function compare(Token $a, Token $b) |
220
|
|
|
{ |
221
|
13 |
|
$multiplier = $a->isEnd() ? -1 : 1; |
222
|
|
|
|
223
|
13 |
|
if (($a->isStart() && $b->isEnd()) || ($a->isEnd() && $b->isStart())) { |
224
|
1 |
|
if ($a->getStart() == $b) { |
225
|
1 |
|
return 1; |
226
|
1 |
|
} elseif ($a->getEnd() == $b) { |
227
|
|
|
return -1; |
228
|
|
|
} else { |
229
|
1 |
|
return $multiplier; |
230
|
|
|
} |
231
|
12 |
|
} elseif (($rule = Helper::cmp($b->rule->priority, $a->rule->priority)) !== 0) { |
232
|
10 |
|
return $multiplier*$rule; |
233
|
4 |
|
} elseif (($rule = Helper::cmp($b->index, $a->index)) !== 0) { |
234
|
1 |
|
return $multiplier*$rule; |
235
|
|
|
} else { |
236
|
3 |
|
return $multiplier*($a->id < $b->id ? -1 : 1); |
237
|
|
|
} |
238
|
|
|
} |
239
|
|
|
} |
240
|
|
|
|
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.