1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* |
4
|
|
|
* This file is part of the league/commonmark-extras package. |
5
|
|
|
* |
6
|
|
|
* (c) Colin O'Dell <[email protected]> |
7
|
|
|
* |
8
|
|
|
* Original code based on the CommonMark JS reference parser (http://bitly.com/commonmark-js) |
9
|
|
|
* - (c) John MacFarlane |
10
|
|
|
* |
11
|
|
|
* For the full copyright and license information, please view the LICENSE |
12
|
|
|
* file that was distributed with this source code. |
13
|
|
|
*/ |
14
|
|
|
|
15
|
|
|
namespace League\CommonMark\Extras\SmartPunct; |
16
|
|
|
|
17
|
|
|
use League\CommonMark\Delimiter\Delimiter; |
18
|
|
|
use League\CommonMark\Inline\Element\Text; |
19
|
|
|
use League\CommonMark\Inline\Parser\AbstractInlineParser; |
20
|
|
|
use League\CommonMark\InlineParserContext; |
21
|
|
|
use League\CommonMark\Util\RegexHelper; |
22
|
|
|
|
23
|
|
|
class QuoteParser extends AbstractInlineParser |
24
|
|
|
{ |
25
|
|
|
protected $double = ['"', '“', '”']; |
26
|
|
|
protected $single = ["'", '‘', '’']; |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* @return string[] |
30
|
|
|
*/ |
31
|
45 |
|
public function getCharacters() |
32
|
|
|
{ |
33
|
45 |
|
return array_merge($this->double, $this->single); |
34
|
|
|
} |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* @param InlineParserContext $inlineContext |
38
|
|
|
* |
39
|
|
|
* @return bool |
40
|
|
|
*/ |
41
|
27 |
|
public function parse(InlineParserContext $inlineContext) |
42
|
|
|
{ |
43
|
27 |
|
$character = $inlineContext->getCursor()->getCharacter(); |
44
|
27 |
|
if (in_array($character, $this->double)) { |
45
|
12 |
|
$character = '“'; |
46
|
27 |
|
} elseif (in_array($character, $this->single)) { |
47
|
24 |
|
$character = '’'; |
48
|
24 |
|
} else { |
49
|
|
|
return false; |
50
|
|
|
} |
51
|
|
|
|
52
|
27 |
|
$cursor = $inlineContext->getCursor(); |
53
|
27 |
|
$charBefore = $cursor->peek(-1); |
54
|
27 |
|
if ($charBefore === null) { |
55
|
21 |
|
$charBefore = "\n"; |
56
|
21 |
|
} |
57
|
|
|
|
58
|
27 |
|
$cursor->advance(); |
59
|
|
|
|
60
|
27 |
|
$charAfter = $cursor->getCharacter(); |
61
|
27 |
|
if ($charAfter === null) { |
62
|
15 |
|
$charAfter = "\n"; |
63
|
15 |
|
} |
64
|
|
|
|
65
|
27 |
|
$afterIsWhitespace = preg_match('/\pZ|\s/u', $charAfter); |
66
|
27 |
|
$afterIsPunctuation = preg_match(RegexHelper::REGEX_PUNCTUATION, $charAfter); |
67
|
27 |
|
$beforeIsWhitespace = preg_match('/\pZ|\s/u', $charBefore); |
68
|
27 |
|
$beforeIsPunctuation = preg_match(RegexHelper::REGEX_PUNCTUATION, $charBefore); |
69
|
|
|
|
70
|
27 |
|
$leftFlanking = !$afterIsWhitespace && |
71
|
27 |
|
!($afterIsPunctuation && |
72
|
27 |
|
!$beforeIsWhitespace && |
73
|
27 |
|
!$beforeIsPunctuation); |
74
|
|
|
|
75
|
27 |
|
$rightFlanking = !$beforeIsWhitespace && |
76
|
27 |
|
!($beforeIsPunctuation && |
77
|
27 |
|
!$afterIsWhitespace && |
78
|
27 |
|
!$afterIsPunctuation); |
79
|
|
|
|
80
|
27 |
|
$canOpen = $leftFlanking && !$rightFlanking; |
81
|
27 |
|
$canClose = $rightFlanking; |
82
|
|
|
|
83
|
27 |
|
$node = new Text($character, ['delim' => true]); |
84
|
27 |
|
$inlineContext->getContainer()->appendChild( |
85
|
|
|
$node |
86
|
27 |
|
); |
87
|
|
|
|
88
|
|
|
// Add entry to stack to this opener |
89
|
27 |
|
$inlineContext->getDelimiterStack()->push(new Delimiter($character, 1, $node, $canOpen, $canClose)); |
90
|
|
|
|
91
|
27 |
|
return true; |
92
|
|
|
} |
93
|
|
|
} |
94
|
|
|
|