|
1
|
|
|
<?php |
|
2
|
|
|
/* @description Transformation Style Sheets - Revolutionising PHP templating * |
|
3
|
|
|
* @author Tom Butler [email protected] * |
|
4
|
|
|
* @copyright 2017 Tom Butler <[email protected]> | https://r.je/ * |
|
5
|
|
|
* @license http://www.opensource.org/licenses/bsd-license.php BSD License * |
|
6
|
|
|
* @version 1.2 */ |
|
7
|
|
|
namespace Transphporm\Parser\Tokenizer; |
|
8
|
|
|
use Transphporm\Parser\Tokenizer; |
|
9
|
|
|
|
|
10
|
|
|
class TokenizedString { |
|
11
|
|
|
private $str; |
|
12
|
|
|
private $pos = -1; |
|
13
|
|
|
private $lineNo = 1; |
|
14
|
|
|
|
|
15
|
|
|
private $chars = [ |
|
16
|
|
|
'"' => Tokenizer::STRING, |
|
17
|
|
|
'\'' => Tokenizer::STRING, |
|
18
|
|
|
'(' => Tokenizer::OPEN_BRACKET, |
|
19
|
|
|
')' => Tokenizer::CLOSE_BRACKET, |
|
20
|
|
|
'[' => Tokenizer::OPEN_SQUARE_BRACKET, |
|
21
|
|
|
']' => Tokenizer::CLOSE_SQUARE_BRACKET, |
|
22
|
|
|
'+' => Tokenizer::CONCAT, |
|
23
|
|
|
',' => Tokenizer::ARG, |
|
24
|
|
|
'.' => Tokenizer::DOT, |
|
25
|
|
|
'!' => Tokenizer::NOT, |
|
26
|
|
|
'=' => Tokenizer::EQUALS, |
|
27
|
|
|
'{' => Tokenizer::OPEN_BRACE, |
|
28
|
|
|
'}' => Tokenizer::CLOSE_BRACE, |
|
29
|
|
|
':' => Tokenizer::COLON, |
|
30
|
|
|
';' => Tokenizer::SEMI_COLON, |
|
31
|
|
|
'#' => Tokenizer::NUM_SIGN, |
|
32
|
|
|
'>' => Tokenizer::GREATER_THAN, |
|
33
|
|
|
'@' => Tokenizer::AT_SIGN, |
|
34
|
|
|
'-' => Tokenizer::SUBTRACT, |
|
35
|
|
|
'*' => Tokenizer::MULTIPLY, |
|
36
|
|
|
'/' => Tokenizer::DIVIDE, |
|
37
|
|
|
' ' => Tokenizer::WHITESPACE, |
|
38
|
|
|
"\n" => Tokenizer::NEW_LINE, |
|
39
|
|
|
"\r" => Tokenizer::WHITESPACE, |
|
40
|
|
|
"\t" => Tokenizer::WHITESPACE |
|
41
|
|
|
]; |
|
42
|
|
|
|
|
43
|
|
|
public function __construct($str) { |
|
44
|
|
|
$this->str = $str; |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
public function move($n) { |
|
48
|
|
|
if ($n === false) $this->pos = strlen($this->str)-1; |
|
49
|
|
|
else $this->pos += $n; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
public function next() { |
|
53
|
|
|
$this->pos++; |
|
54
|
|
|
return $this->pos < strlen($this->str); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
public function reset() { |
|
58
|
|
|
$this->lineNo = 1; |
|
59
|
|
|
$this->pos = -1; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
public function read($offset = 0) { |
|
63
|
|
|
return $this->str[$this->pos + $offset]; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
public function identifyChar($offset = 0) { |
|
67
|
|
|
$chr = $this->str[$this->pos + $offset]; |
|
68
|
|
|
if (!empty($this->chars[$chr])) return $this->chars[$chr]; |
|
69
|
|
|
else return Tokenizer::NAME; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
public function has($offset = 0) { |
|
73
|
|
|
return isset($this->str[$this->pos + $offset]); |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
|
|
public function pos($str) { |
|
77
|
|
|
$pos = strpos($this->str, $str, $this->pos); |
|
78
|
|
|
return $pos ? $pos-$this->pos : false; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
public function newLine() { |
|
82
|
|
|
return $this->lineNo++; |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
public function lineNo() { |
|
86
|
|
|
return $this->lineNo; |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
public function extractString($offset = 0) { |
|
90
|
|
|
$pos = $this->pos + $offset; |
|
91
|
|
|
$char = $this->str[$pos]; |
|
92
|
|
|
$end = strpos($this->str, $char, $pos+1); |
|
93
|
|
|
while ($end !== false && $this->str[$end-1] == '\\') $end = strpos($this->str, $char, $end+1); |
|
94
|
|
|
|
|
95
|
|
|
return substr($this->str, $pos+1, $end-$pos-1); |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
public function extractBrackets($startBracket = '(', $closeBracket = ')', $offset = 0) { |
|
99
|
|
|
$open = $this->pos+$offset; |
|
100
|
|
|
$close = strpos($this->str, $closeBracket, $open); |
|
101
|
|
|
|
|
102
|
|
|
$cPos = $open+1; |
|
103
|
|
|
while (($cPos = strpos($this->str, $startBracket, $cPos+1)) !== false && $cPos < $close) $close = strpos($this->str, $closeBracket, $close+1); |
|
104
|
|
|
return substr($this->str, $open+1, $close-$open-1); |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
} |
Level-2 /
Transphporm
