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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2026 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 <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\CommonMark;
use Fisharebest\Webtrees\Gedcom;
use Fisharebest\Webtrees\GedcomRecord;
use Fisharebest\Webtrees\Registry;
use Fisharebest\Webtrees\Tree;
use League\CommonMark\Parser\Inline\InlineParserInterface;
use League\CommonMark\Parser\Inline\InlineParserMatch;
use League\CommonMark\Parser\InlineParserContext;
class XrefParser implements InlineParserInterface
{
private Tree $tree;
public function __construct(Tree $tree)
{
$this->tree = $tree;
}
/**
* We are only interested in text that begins with '@'.
*
* @return InlineParserMatch
*/
public function getMatchDefinition(): InlineParserMatch
{
return InlineParserMatch::regex('@(' . Gedcom::REGEX_XREF . ')@');
}
/**
* @param InlineParserContext $inlineContext
*
* @return bool
*/
public function parse(InlineParserContext $inlineContext): bool
{
$cursor = $inlineContext->getCursor();
[$xref] = $inlineContext->getSubMatches();
$record = Registry::gedcomRecordFactory()->make($xref, $this->tree);
if ($record instanceof GedcomRecord) {
$cursor->advanceBy($inlineContext->getFullMatchLength());
$inlineContext->getContainer()->appendChild(new XrefNode($record));
return true;
}
return false;
}
}
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