blob: 4f2abfbb8822effa41665ea5775152e179e4d347 (
plain)
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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
<?php
/**
* webtrees: online genealogy
* Copyright (C) 2018 webtrees development team
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Fisharebest\Webtrees\CommonMark;
use Fisharebest\Webtrees\GedcomRecord;
use Fisharebest\Webtrees\Tree;
use League\CommonMark\Inline\Element\Link;
use League\CommonMark\Inline\Parser\AbstractInlineParser;
use League\CommonMark\InlineParserContext;
/**
* Convert XREFs within markdown text to links
*/
class XrefParser extends AbstractInlineParser {
/** @var Tree - match XREFs in this tree */
private $tree;
/**
* MarkdownXrefParser constructor.
*
* @param Tree $tree
*/
public function __construct(Tree $tree) {
$this->tree = $tree;
}
/**
* We are only interested in text that begins with '@'.
*
* @return array
*/
public function getCharacters() {
return ['@'];
}
/**
* @param InlineParserContext $context
*
* @return bool
*/
public function parse(InlineParserContext $context) {
// The cursor should be positioned on the opening '@'.
$cursor = $context->getcursor();
// If this isn't the start of an XREF, we'll need to rewind.
$previous_state = $cursor->saveState();
$handle = $cursor->match('/@' . WT_REGEX_XREF . '@/');
if (empty($handle)) {
// Not an XREF?
$cursor->restoreState($previous_state);
return false;
}
$xref = trim($handle, '@');
$record = GedcomRecord::getInstance($xref, $this->tree);
if ($record === null) {
// Linked record does not exist?
$cursor->restoreState($previous_state);
return false;
}
$url = $record->url();
$label = $handle;
$title = strip_tags($record->getFullName());
$context->getContainer()->appendChild(new Link($url, $label, $title));
return true;
}
}
|
