|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Author: Nil Portugués Calderó <[email protected]> |
|
4
|
|
|
* Date: 12/23/14 |
|
5
|
|
|
* Time: 1:23 PM. |
|
6
|
|
|
* |
|
7
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
8
|
|
|
* file that was distributed with this source code. |
|
9
|
|
|
*/ |
|
10
|
|
|
|
|
11
|
|
|
namespace NilPortugues\Sql\QueryFormatter\Tokenizer\Parser; |
|
12
|
|
|
|
|
13
|
|
|
use NilPortugues\Sql\QueryFormatter\Tokenizer\Tokenizer; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* Class Quoted. |
|
17
|
|
|
*/ |
|
18
|
|
|
final class Quoted |
|
19
|
|
|
{ |
|
20
|
|
|
/** |
|
21
|
|
|
* @param Tokenizer $tokenizer |
|
22
|
|
|
* @param string $string |
|
23
|
|
|
*/ |
|
24
|
|
|
public static function isQuoted(Tokenizer $tokenizer, $string) |
|
25
|
|
|
{ |
|
26
|
|
|
if (!$tokenizer->getNextToken() && self::isQuotedString($string)) { |
|
27
|
|
|
$tokenizer->setNextToken(self::getQuotedString($string)); |
|
28
|
|
|
} |
|
29
|
|
|
} |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* @param string $string |
|
33
|
|
|
* |
|
34
|
|
|
* @return bool |
|
35
|
|
|
*/ |
|
36
|
|
|
protected static function isQuotedString($string) |
|
37
|
|
|
{ |
|
38
|
|
|
return !empty($string[0]) && ($string[0] === '"' || $string[0] === '\'' || $string[0] === '`' || $string[0] === '['); |
|
39
|
|
|
} |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* @param string $string |
|
43
|
|
|
* |
|
44
|
|
|
* @return array |
|
45
|
|
|
*/ |
|
46
|
|
|
protected static function getQuotedString($string) |
|
47
|
|
|
{ |
|
48
|
|
|
$tokenType = Tokenizer::TOKEN_TYPE_QUOTE; |
|
49
|
|
|
|
|
50
|
|
|
if (!empty($string[0]) && ($string[0] === '`' || $string[0] === '[')) { |
|
51
|
|
|
$tokenType = Tokenizer::TOKEN_TYPE_BACK_TICK_QUOTE; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
return [ |
|
55
|
|
|
Tokenizer::TOKEN_TYPE => $tokenType, |
|
56
|
|
|
Tokenizer::TOKEN_VALUE => self::wrapStringWithQuotes($string), |
|
57
|
|
|
]; |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* This checks for the following patterns: |
|
62
|
|
|
* 1. backtick quoted string using `` to escape |
|
63
|
|
|
* 2. square bracket quoted string (SQL Server) using ]] to escape |
|
64
|
|
|
* 3. double quoted string using "" or \" to escape |
|
65
|
|
|
* 4. single quoted string using '' or \' to escape. |
|
66
|
|
|
* |
|
67
|
|
|
* @param string $string |
|
68
|
|
|
* |
|
69
|
|
|
* @return null |
|
70
|
|
|
*/ |
|
71
|
|
|
public static function wrapStringWithQuotes($string) |
|
72
|
|
|
{ |
|
73
|
|
|
$returnString = null; |
|
74
|
|
|
|
|
75
|
|
|
$regex = '/^(((`[^`]*($|`))+)|((\[[^\]]*($|\]))(\][^\]]*($|\]))*)|'. |
|
76
|
|
|
'(("[^"\\\\]*(?:\\\\.[^"\\\\]*)*("|$))+)|((\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*(\'|$))+))/s'; |
|
77
|
|
|
|
|
78
|
|
|
if (1 == \preg_match($regex, $string, $matches)) { |
|
79
|
|
|
$returnString = $matches[1]; |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
return $returnString; |
|
83
|
|
|
} |
|
84
|
|
|
} |
|
85
|
|
|
|
nilportugues /
sql-query-formatter
