2e86c939
 xu
“首次提交”
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
<?php
/**
* @copyright Copyright (c) 2014 Carsten Brandt
* @license https://github.com/cebe/markdown/blob/master/LICENSE
* @link https://github.com/cebe/markdown#readme
*/
namespace cebe\markdown\inline;
/**
* Adds inline emphasizes and strong elements
*/
trait EmphStrongTrait
{
/**
* Parses empathized and strong elements.
* @marker _
* @marker *
*/
protected function parseEmphStrong($text)
{
$marker = $text[0];
if (!isset($text[1])) {
return [['text', $text[0]], 1];
}
if ($marker == $text[1]) { // strong
if ($marker == '*' && preg_match('/^[*]{2}((?:[^*]|[*][^*]*[*])+?)[*]{2}(?![*]{2})/s', $text, $matches) ||
$marker == '_' && preg_match('/^__((?:[^_]|_[^_]*_)+?)__(?!__)/us', $text, $matches)) {
return [
[
'strong',
$this->parseInline($matches[1]),
],
strlen($matches[0])
];
}
} else { // emph
if ($marker == '*' && preg_match('/^[*]((?:[^*]|[*][*][^*]+?[*][*])+?)[*](?![*][^*])/s', $text, $matches) ||
$marker == '_' && preg_match('/^_((?:[^_]|__[^_]*__)+?)_(?!_[^_])\b/us', $text, $matches)) {
return [
[
'emph',
$this->parseInline($matches[1]),
],
strlen($matches[0])
];
}
}
return [['text', $text[0]], 1];
}
protected function renderStrong($block)
{
return '<strong>' . $this->renderAbsy($block[1]) . '</strong>';
}
protected function renderEmph($block)
{
return '<em>' . $this->renderAbsy($block[1]) . '</em>';
}
}
|