function Transport::parseDsn

1 call to Transport::parseDsn()

Transport::fromString in vendor/symfony/mailer/Transport.php

File

vendor/symfony/mailer/Transport.php, line 117

Class

Transport

@author Fabien Potencier <fabien@symfony.com> @author Konstantin Myakshin <molodchick@gmail.com>

Namespace

Symfony\Component\Mailer

Code

private function parseDsn(string $dsn, int $offset = 0) : array {
    static $keywords = [
        'failover' => FailoverTransport::class,
        'roundrobin' => RoundRobinTransport::class,
    ];
    while (true) {
        foreach ($keywords as $name => $class) {
            $name .= '(';
            if ($name === substr($dsn, $offset, \strlen($name))) {
                $offset += \strlen($name) - 1;
                preg_match('{\\(([^()]|(?R))*\\)}A', $dsn, $matches, 0, $offset);
                if (!isset($matches[0])) {
                    continue;
                }
                ++$offset;
                $args = [];
                while (true) {
                    [
                        $arg,
                        $offset,
                    ] = $this->parseDsn($dsn, $offset);
                    $args[] = $arg;
                    if (\strlen($dsn) === $offset) {
                        break;
                    }
                    ++$offset;
                    if (')' === $dsn[$offset - 1]) {
                        break;
                    }
                }
                return [
                    new $class($args),
                    $offset,
                ];
            }
        }
        if (preg_match('{(\\w+)\\(}A', $dsn, $matches, 0, $offset)) {
            throw new InvalidArgumentException(\sprintf('The "%s" keyword is not valid (valid ones are "%s"), ', $matches[1], implode('", "', array_keys($keywords))));
        }
        if ($pos = strcspn($dsn, ' )', $offset)) {
            return [
                $this->fromDsnObject(Dsn::fromString(substr($dsn, $offset, $pos))),
                $offset + $pos,
            ];
        }
        return [
            $this->fromDsnObject(Dsn::fromString(substr($dsn, $offset))),
            \strlen($dsn),
        ];
    }
}