/**
* @param InlineParserContext $inlineContext
*
* @return bool
*/
public function parse(InlineParserContext $inlineContext)
{
$cursor = $inlineContext->getCursor();
$ch = $cursor->getCharacter();
// Ellipses
if ($ch === '.' && ($matched = $cursor->match('/^\\.( ?\\.)\\1/'))) {
$inlineContext->getContainer()->appendChild(new Text('…'));
return true;
} elseif ($ch === '-' && ($matched = $cursor->match('/^(?<!-)(-{2,})/'))) {
$count = strlen($matched);
$en_dash = '–';
$en_count = 0;
$em_dash = '—';
$em_count = 0;
if ($count % 3 === 0) {
// If divisible by 3, use all em dashes
$em_count = $count / 3;
} elseif ($count % 2 === 0) {
// If divisible by 2, use all en dashes
$en_count = $count / 2;
} elseif ($count % 3 === 2) {
// If 2 extra dashes, use en dash for last 2; em dashes for rest
$em_count = ($count - 2) / 3;
$en_count = 1;
} else {
// Use en dashes for last 4 hyphens; em dashes for rest
$em_count = ($count - 4) / 3;
$en_count = 2;
}
$inlineContext->getContainer()->appendChild(new Text(str_repeat($em_dash, $em_count) . str_repeat($en_dash, $en_count)));
return true;
}
return false;
}