1<?php
2
3/*
4 * This file is part of the league/commonmark package.
5 *
6 * (c) Colin O'Dell <colinodell@gmail.com>
7 * (c) 2015 Martin Hasoň <martin.hason@gmail.com>
8 *
9 * For the full copyright and license information, please view the LICENSE
10 * file that was distributed with this source code.
11 */
12
13declare(strict_types=1);
14
15namespace League\CommonMark\Extension\Attributes\Parser;
16
17use League\CommonMark\Extension\Attributes\Node\AttributesInline;
18use League\CommonMark\Extension\Attributes\Util\AttributesHelper;
19use League\CommonMark\Node\StringContainerInterface;
20use League\CommonMark\Parser\Inline\InlineParserInterface;
21use League\CommonMark\Parser\Inline\InlineParserMatch;
22use League\CommonMark\Parser\InlineParserContext;
23
24final class AttributesInlineParser implements InlineParserInterface
25{
26    public function getMatchDefinition(): InlineParserMatch
27    {
28        return InlineParserMatch::string('{');
29    }
30
31    public function parse(InlineParserContext $inlineContext): bool
32    {
33        $cursor = $inlineContext->getCursor();
34        $char   = (string) $cursor->peek(-1);
35
36        $attributes = AttributesHelper::parseAttributes($cursor);
37        if ($attributes === []) {
38            return false;
39        }
40
41        if ($char === ' ' && ($prev = $inlineContext->getContainer()->lastChild()) instanceof StringContainerInterface) {
42            $prev->setLiteral(\rtrim($prev->getLiteral(), ' '));
43        }
44
45        if ($char === '') {
46            $cursor->advanceToNextNonSpaceOrNewline();
47        }
48
49        $node = new AttributesInline($attributes, $char === ' ' || $char === '');
50        $inlineContext->getContainer()->appendChild($node);
51
52        return true;
53    }
54}
55