InvalidEmail example

protected function parseFWS(): Result
    {
        $foldingWS = new FoldingWhiteSpace($this->lexer);
        $resultFWS = $foldingWS->parse();
        $this->warnings = array_merge($this->warnings, $foldingWS->getWarnings());
        return $resultFWS;
    }

    protected function checkConsecutiveDots(): Result
    {
        if ($this->lexer->current->isA(EmailLexer::S_DOT) && $this->lexer->isNextToken(EmailLexer::S_DOT)) {
            return new InvalidEmail(new ConsecutiveDot(), $this->lexer->current->value);
        }

        return new ValidEmail();
    }

    protected function escaped(): bool
    {
        $previous = $this->lexer->getPrevious();

        return $previous->isA(EmailLexer::S_BACKSLASH)
            && !$this->lexer->current->isA(EmailLexer::GENERIC);
    }

        $result = parent::parse($str);

        $this->addLongEmailWarning($this->idLeft, $this->idRight);

        return $result;
    }

    protected function preLeftParsing(): Result
    {
        if (!$this->hasAtToken()) {
            return new InvalidEmail(new NoLocalPart(), $this->lexer->current->value);
        }
        return new ValidEmail();
    }

    protected function parseLeftFromAt(): Result
    {
        return $this->processIDLeft();
    }

    protected function parseRightFromAt(): Result
    {
        

return new ValidEmail();
        }

        $previous = $this->lexer->getPrevious();

        $resultCRLF = $this->checkCRLFInFWS();
        if ($resultCRLF->isInvalid()) {
            return $resultCRLF;
        }

        if ($this->lexer->current->isA(EmailLexer::S_CR)) {
            return new InvalidEmail(new CRNoLF(), $this->lexer->current->value);
        }

        if ($this->lexer->isNextToken(EmailLexer::GENERIC) && !$previous->isA(EmailLexer::S_AT)) {
            return new InvalidEmail(new AtextAfterCFWS(), $this->lexer->current->value);
        }

        if ($this->lexer->current->isA(EmailLexer::S_LF) || $this->lexer->current->isA(EmailLexer::C_NUL)) {
            return new InvalidEmail(new ExpectingCTEXT(), $this->lexer->current->value);
        }

        if ($this->lexer->isNextToken(EmailLexer::S_AT) || $previous->isA(EmailLexer::S_AT)) {
            

        $this->parser = new EmailParser($emailLexer);
        try {
            $result = $this->parser->parse($email);
            $this->warnings = $this->parser->getWarnings();
            if ($result->isInvalid()) {
                /** @psalm-suppress PropertyTypeCoercion */
                $this->error = $result;
                return false;
            }
        } catch (\Exception $invalid) {
            $this->error = new InvalidEmail(new ExceptionFound($invalid), '');
            return false;
        }

        return true;
    }

    public function getError(): ?InvalidEmail
    {
        return $this->error;
    }

    

    public function isValid(string $email, EmailLexer $emailLexer) : bool
    {
        if (!parent::isValid($email, $emailLexer)) {
            return false;
        }

        if (empty($this->getWarnings())) {
            return true;
        }

        $this->error = new InvalidEmail(new RFCWarnings(), '');

        return false;
    }

    /** * {@inheritdoc} */
    public function getError() : ?InvalidEmail
    {
        return $this->error ?: parent::getError();
    }
}

        $parser = new MessageIDParser($emailLexer);
        try {
            $result = $parser->parse($email);
            $this->warnings = $parser->getWarnings();
            if ($result->isInvalid()) {
                /** @psalm-suppress PropertyTypeCoercion */
                $this->error = $result;
                return false;
            }
        } catch (\Exception $invalid) {
            $this->error = new InvalidEmail(new ExceptionFound($invalid), '');
            return false;
        }

        return true;
    }

    /** * @return Warning[] */
    public function getWarnings(): array
    {
        

    private $warnings = [];

    public function exitCondition(EmailLexer $lexer, int $openedParenthesis): bool
    {
        return !$lexer->isNextToken(EmailLexer::S_AT);
    }

    public function endOfLoopValidations(EmailLexer $lexer): Result
    {
        if (!$lexer->isNextToken(EmailLexer::S_AT)) {
            return new InvalidEmail(new ExpectingATEXT('ATEX is not expected after closing comments'), $lexer->current->value);
        }
        $this->warnings[CFWSNearAt::CODE] = new CFWSNearAt();
        return new ValidEmail();
    }

    public function getWarnings(): array
    {
        return $this->warnings;
    }
}

namespace Egulias\EmailValidator\Parser;

use Egulias\EmailValidator\Result\Result;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Result\Reason\CommentsInIDRight;

class IDLeftPart extends LocalPart
{
    protected function parseComments(): Result
    {
        return new InvalidEmail(new CommentsInIDRight(), $this->lexer->current->value);
    }
}

public function __construct(EmailLexer $lexer, CommentStrategy $commentStrategy)
    {
        $this->lexer = $lexer;
        $this->commentStrategy = $commentStrategy;
    }

    public function parse(): Result
    {
        if ($this->lexer->current->isA(EmailLexer::S_OPENPARENTHESIS)) {
            $this->openedParenthesis++;
            if ($this->noClosingParenthesis()) {
                return new InvalidEmail(new UnclosedComment(), $this->lexer->current->value);
            }
        }

        if ($this->lexer->current->isA(EmailLexer::S_CLOSEPARENTHESIS)) {
            return new InvalidEmail(new UnOpenedComment(), $this->lexer->current->value);
        }

        $this->warnings[WarningComment::CODE] = new WarningComment();

        $moreTokens = true;
        while ($this->commentStrategy->exitCondition($this->lexer, $this->openedParenthesis) && $moreTokens) {

            

$host = substr($email, $lastAtPos + 1);
        }

        // Get the domain parts         $hostParts = explode('.', $host);

        $isLocalDomain = count($hostParts) <= 1;
        $isReservedTopLevel = in_array($hostParts[(count($hostParts) - 1)], self::RESERVED_DNS_TOP_LEVEL_NAMES, true);

        // Exclude reserved top level DNS names         if ($isLocalDomain || $isReservedTopLevel) {
            $this->error = new InvalidEmail(new LocalOrReservedDomain(), $host);
            return false;
        }

        return $this->checkDns($host);
    }

    public function getError(): ?InvalidEmail
    {
        return $this->error;
    }

    

    private $localPart = '';


    public function parse(): Result
    {
        $this->lexer->startRecording();

        while (!$this->lexer->current->isA(EmailLexer::S_AT) && !$this->lexer->current->isA(EmailLexer::S_EMPTY)) {
            if ($this->hasDotAtStart()) {
                return new InvalidEmail(new DotAtStart(), $this->lexer->current->value);
            }

            if ($this->lexer->current->isA(EmailLexer::S_DQUOTE)) {
                $dquoteParsingResult = $this->parseDoubleQuote();

                //Invalid double quote parsing                 if ($dquoteParsingResult->isInvalid()) {
                    return $dquoteParsingResult;
                }
            }

            

        $result = parent::parse($str);

        $this->addLongEmailWarning($this->localPart, $this->domainPart);

        return $result;
    }

    protected function preLeftParsing(): Result
    {
        if (!$this->hasAtToken()) {
            return new InvalidEmail(new NoLocalPart(), $this->lexer->current->value);
        }
        return new ValidEmail();
    }

    protected function parseLeftFromAt(): Result
    {
        return $this->processLocalPart();
    }

    protected function parseRightFromAt(): Result
    {
        

    public function parse(): Result
    {
        $this->addTagWarnings();

        $IPv6TAG = false;
        $addressLiteral = '';

        do {
            if ($this->lexer->current->isA(EmailLexer::C_NUL)) {
                return new InvalidEmail(new ExpectingDTEXT(), $this->lexer->current->value);
            }

            $this->addObsoleteWarnings();

            if ($this->lexer->isNextTokenAny(array(EmailLexer::S_OPENBRACKET, EmailLexer::S_OPENBRACKET))) {
                return new InvalidEmail(new ExpectingDTEXT(), $this->lexer->current->value);
            }

            if ($this->lexer->isNextTokenAny(
                array(EmailLexer::S_HTAB, EmailLexer::S_SP, EmailLexer::CRLF)
            )) {
                

public function __construct(EmailLexer $lexer)
    {
        $this->lexer = $lexer;
    }

    public function parse(string $str): Result
    {
        $this->lexer->setInput($str);

        if ($this->lexer->hasInvalidTokens()) {
            return new InvalidEmail(new ExpectingATEXT("Invalid tokens found"), $this->lexer->current->value);
        }

        $preParsingResult = $this->preLeftParsing();
        if ($preParsingResult->isInvalid()) {
            return $preParsingResult;
        }

        $localPartResult = $this->parseLeftFromAt();

        if ($localPartResult->isInvalid()) {
            return $localPartResult;
        }

        $invalidDomainTokens = [
            EmailLexer::S_DQUOTE => true,
            EmailLexer::S_SQUOTE => true,
            EmailLexer::S_BACKTICK => true,
            EmailLexer::S_SEMICOLON => true,
            EmailLexer::S_GREATERTHAN => true,
            EmailLexer::S_LOWERTHAN => true,
        ];

        if (isset($invalidDomainTokens[$this->lexer->current->type])) {
            return new InvalidEmail(new ExpectingATEXT('Invalid token in domain: ' . $this->lexer->current->value), $this->lexer->current->value);
        }
        return new ValidEmail();
    }
}