|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Yaro\LogEnvelope; |
|
4
|
|
|
|
|
5
|
|
|
class SyntaxHighlight |
|
6
|
|
|
{ |
|
7
|
|
|
|
|
8
|
|
|
private $tokens = array(); |
|
9
|
|
|
|
|
10
|
|
|
public static function process($s) |
|
11
|
|
|
{ |
|
12
|
|
|
$class = get_called_class(); |
|
13
|
|
|
$obj = new $class; |
|
14
|
|
|
|
|
15
|
|
|
return $obj->highlight($s); |
|
16
|
|
|
} // end process |
|
17
|
|
|
|
|
18
|
|
|
public function highlight($s) |
|
19
|
|
|
{ |
|
20
|
|
|
$s = htmlspecialchars($s, ENT_COMPAT); |
|
21
|
|
|
|
|
22
|
|
|
// Workaround for escaped backslashes |
|
23
|
|
|
$s = str_replace('\\\\', '\\\\<e>', $s); |
|
24
|
|
|
|
|
25
|
|
|
$regexp = array( |
|
26
|
|
|
// Numbers (also look for Hex) |
|
27
|
|
|
'/(?<!\w)( |
|
28
|
|
|
(0x|\#)[\da-f]+| |
|
29
|
|
|
\d+| |
|
30
|
|
|
\d+(px|em|cm|mm|rem|s|\%) |
|
31
|
|
|
)(?!\w)/ix' |
|
32
|
|
|
=> '<span style="color:#8CD0D3;">$1</span>', |
|
33
|
|
|
|
|
34
|
|
|
// Make the bold assumption that an |
|
35
|
|
|
// all uppercase word has a special meaning |
|
36
|
|
|
'/(?<!\w|>|\#)( |
|
37
|
|
|
[A-Z_0-9]{2,} |
|
38
|
|
|
)(?!\w)/x' |
|
39
|
|
|
=> '<span style="color:#FFFFFF">$1</span>', |
|
40
|
|
|
|
|
41
|
|
|
// Keywords |
|
42
|
|
|
'/(?<!\w|\$|\%|\@|>)( |
|
43
|
|
|
and|or|xor|for|do|while|foreach|as|return|die|exit|if|then|else| |
|
44
|
|
|
elseif|new|delete|try|throw|catch|finally|class|function|string| |
|
45
|
|
|
array|object|resource|var|bool|boolean|int|integer|float|double| |
|
46
|
|
|
real|string|array|global|const|static|public|private|protected| |
|
47
|
|
|
published|extends|switch|true|false|null|void|this|self|struct| |
|
48
|
|
|
char|signed|unsigned|short|long |
|
49
|
|
|
)(?!\w|=")/ix' |
|
50
|
|
|
=> '<span style="color:#DFC47D">$1</span>', |
|
51
|
|
|
|
|
52
|
|
|
// PHP/Perl-Style Vars: $var, %var, @var |
|
53
|
|
|
'/(?<!\w)( |
|
54
|
|
|
(\$|\%|\@)(\->|\w)+ |
|
55
|
|
|
)(?!\w)/ix' |
|
56
|
|
|
=> '<span style="color:#CEDF99">$1</span>', |
|
57
|
|
|
); |
|
58
|
|
|
|
|
59
|
|
|
// Comments/Strings |
|
60
|
|
|
$s = preg_replace_callback('/( |
|
61
|
|
|
\/\*.*?\*\/| |
|
62
|
|
|
\/\/.*?\n| |
|
63
|
|
|
\#.[^a-fA-F0-9]+?\n| |
|
64
|
|
|
\<\!\-\-[\s\S]+\-\-\>| |
|
65
|
|
|
(?<!\\\)".*?(?<!\\\)"| |
|
66
|
|
|
(?<!\\\)\'(.*?)(?<!\\\)\' |
|
67
|
|
|
)/isx', [$this, 'replaceId'], $s); |
|
68
|
|
|
|
|
69
|
|
|
$s = preg_replace(array_keys($regexp), array_values($regexp), $s); |
|
70
|
|
|
|
|
71
|
|
|
// Paste the comments and strings back in again |
|
72
|
|
|
$s = str_replace(array_keys($this->tokens), array_values($this->tokens), $s); |
|
73
|
|
|
|
|
74
|
|
|
// Delete the "Escaped Backslash Workaround Token" (TM) |
|
75
|
|
|
// and replace tabs with four spaces. |
|
76
|
|
|
$s = str_replace(array('<e>', "\t"), array('', ' '), $s); |
|
77
|
|
|
|
|
78
|
|
|
return $s; |
|
79
|
|
|
} // end highlight |
|
80
|
|
|
|
|
81
|
|
|
/* |
|
82
|
|
|
* Regexp-Callback to replace every comment or string with a uniqid and save |
|
83
|
|
|
* the matched text in an array |
|
84
|
|
|
* This way, strings and comments will be stripped out and wont be processed |
|
85
|
|
|
* by the other expressions searching for keywords etc. |
|
86
|
|
|
*/ |
|
87
|
|
|
private function replaceId($matches) |
|
88
|
|
|
{ |
|
89
|
|
|
$match = $matches[0]; |
|
90
|
|
|
$id = "##r" . uniqid() . "##"; |
|
91
|
|
|
|
|
92
|
|
|
// String or Comment? |
|
93
|
|
|
if (substr($match, 0, 2) == '//' || substr($match, 0, 2) == '/*' || substr($match, 0, 2) == '##' || substr($match, 0, 7) == '<!--') { |
|
94
|
|
|
$this->tokens[$id] = '<span style="color:#7F9F7F">' . $match . '</span>'; |
|
95
|
|
|
} else { |
|
96
|
|
|
$this->tokens[$id] = '<span style="color:#CC9385">' . $match . '</span>'; |
|
97
|
|
|
} |
|
98
|
|
|
return $id; |
|
99
|
|
|
} // end replaceId |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
|
Cherry-Pie /
LogEnvelope
