|
1
|
|
|
<?php |
|
2
|
|
|
namespace Thunder\Shortcode\Parser; |
|
3
|
|
|
|
|
4
|
|
|
use Thunder\Shortcode\Shortcode\ParsedShortcode; |
|
5
|
|
|
use Thunder\Shortcode\Shortcode\Shortcode; |
|
6
|
|
|
use Thunder\Shortcode\Syntax\Syntax; |
|
7
|
|
|
use Thunder\Shortcode\Syntax\SyntaxInterface; |
|
8
|
|
|
use Thunder\Shortcode\Utility\RegexBuilderUtility; |
|
9
|
|
|
|
|
10
|
|
|
/** |
|
11
|
|
|
* @author Tomasz Kowalczyk <[email protected]> |
|
12
|
|
|
*/ |
|
13
|
|
|
final class RegexParser implements ParserInterface |
|
14
|
|
|
{ |
|
15
|
|
|
/** @var SyntaxInterface */ |
|
16
|
|
|
private $syntax; |
|
17
|
|
|
private $shortcodeRegex; |
|
18
|
|
|
private $singleShortcodeRegex; |
|
19
|
|
|
private $parametersRegex; |
|
20
|
|
|
|
|
21
|
61 |
|
public function __construct(SyntaxInterface $syntax = null) |
|
22
|
|
|
{ |
|
23
|
61 |
|
$this->syntax = $syntax ?: new Syntax(); |
|
24
|
61 |
|
$this->shortcodeRegex = RegexBuilderUtility::buildShortcodeRegex($this->syntax); |
|
25
|
61 |
|
$this->singleShortcodeRegex = RegexBuilderUtility::buildSingleShortcodeRegex($this->syntax); |
|
26
|
61 |
|
$this->parametersRegex = RegexBuilderUtility::buildParametersRegex($this->syntax); |
|
27
|
61 |
|
} |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* @param string $text |
|
31
|
|
|
* |
|
32
|
|
|
* @return ParsedShortcode[] |
|
33
|
|
|
*/ |
|
34
|
102 |
|
public function parse($text) |
|
35
|
|
|
{ |
|
36
|
102 |
|
preg_match_all($this->shortcodeRegex, $text, $matches, PREG_OFFSET_CAPTURE); |
|
37
|
|
|
|
|
38
|
|
|
// loop instead of array_map to pass the arguments explicitly |
|
39
|
102 |
|
$shortcodes = array(); |
|
40
|
102 |
|
foreach($matches[0] as $match) { |
|
41
|
93 |
|
$offset = mb_strlen(substr($text, 0, $match[1]), 'utf-8'); |
|
42
|
93 |
|
$shortcodes[] = $this->parseSingle($match[0], $offset); |
|
43
|
102 |
|
} |
|
44
|
|
|
|
|
45
|
102 |
|
return array_filter($shortcodes); |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
93 |
|
private function parseSingle($text, $offset) |
|
49
|
|
|
{ |
|
50
|
93 |
|
preg_match($this->singleShortcodeRegex, $text, $matches, PREG_OFFSET_CAPTURE); |
|
51
|
|
|
|
|
52
|
93 |
|
$name = $matches['name'][0]; |
|
53
|
93 |
|
$parameters = isset($matches['parameters'][0]) ? $this->parseParameters($matches['parameters'][0]) : array(); |
|
54
|
93 |
|
$bbCode = isset($matches['bbCode'][0]) && $matches['bbCode'][1] !== -1 |
|
55
|
93 |
|
? $this->extractValue($matches['bbCode'][0]) |
|
56
|
93 |
|
: null; |
|
57
|
93 |
|
$content = isset($matches['content'][0]) && $matches['content'][1] !== -1 ? $matches['content'][0] : null; |
|
58
|
|
|
|
|
59
|
93 |
|
return new ParsedShortcode(new Shortcode($name, $parameters, $content, $bbCode), $text, $offset); |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
93 |
|
private function parseParameters($text) |
|
63
|
|
|
{ |
|
64
|
93 |
|
preg_match_all($this->parametersRegex, $text, $argsMatches); |
|
65
|
|
|
|
|
66
|
|
|
// loop because PHP 5.3 can't handle $this properly and I want separate methods |
|
67
|
93 |
|
$return = array(); |
|
68
|
93 |
|
foreach ($argsMatches[1] as $item) { |
|
69
|
35 |
|
$parts = explode($this->syntax->getParameterValueSeparator(), $item, 2); |
|
70
|
35 |
|
$return[trim($parts[0])] = $this->parseValue(isset($parts[1]) ? $parts[1] : null); |
|
71
|
93 |
|
} |
|
72
|
|
|
|
|
73
|
93 |
|
return $return; |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
35 |
|
private function parseValue($value) |
|
77
|
|
|
{ |
|
78
|
35 |
|
return null === $value ? null : $this->extractValue(trim($value)); |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
39 |
|
private function extractValue($value) |
|
82
|
|
|
{ |
|
83
|
39 |
|
$length = strlen($this->syntax->getParameterValueDelimiter()); |
|
84
|
|
|
|
|
85
|
39 |
|
return $this->isDelimitedValue($value) ? substr($value, $length, -1 * $length) : $value; |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
39 |
|
private function isDelimitedValue($value) |
|
89
|
|
|
{ |
|
90
|
39 |
|
return preg_match('/^'.$this->syntax->getParameterValueDelimiter().'/us', $value) |
|
91
|
39 |
|
&& preg_match('/'.$this->syntax->getParameterValueDelimiter().'$/us', $value); |
|
92
|
|
|
} |
|
93
|
|
|
} |
|
94
|
|
|
|
thunderer /
Shortcode
