Egulias\EmailValidator\EmailParser

Complexity

Total Complexity

14

Size/Duplication

Total Lines	94
Duplicated Lines	100 %

Coupling/Cohesion

Components	1
Dependencies	8

Test Coverage

Coverage

97.56%

Importance

Changes

0

11 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	4	4	1
A	parse()	8	8	1
A	processLocalPart()	9	9	1
A	processDomainPart()	9	9	1
A	getDomainPart()	4	4	1
A	getLocalPart()	4	4	1
A	hasAtToken()	10	10	2
A	addLongEmailWarning()	6	6	2
A	preLeftParsing()	7	7	2
A	parseLeftFromAt()	4	4	1
A	parseRightFromAt()	4	4	1

<?php

namespace Egulias\EmailValidator;

use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Result\Result;
use Egulias\EmailValidator\Parser\LocalPart;
use Egulias\EmailValidator\Parser\DomainPart;
use Egulias\EmailValidator\Result\ValidEmail;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Warning\EmailTooLong;
use Egulias\EmailValidator\Result\Reason\NoLocalPart;

class EmailParser extends Parser

This class seems to be duplicated in your project.

{
    const EMAIL_MAX_LENGTH = 254;

    /**
     * @var string
     */
    protected $domainPart = '';

    /**
     * @var string
     */
    protected $localPart = '';

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

    public function parse(string $str) : Result
    {
        $result = parent::parse($str);

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

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

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

    protected function parseRightFromAt(): Result
    {
        return $this->processDomainPart();
    }

    private function processLocalPart() : Result
    {
        $localPartParser = new LocalPart($this->lexer);
        $localPartResult = $localPartParser->parse();
        $this->localPart = $localPartParser->localPart();
        $this->warnings = array_merge($localPartParser->getWarnings(), $this->warnings);

        return $localPartResult;
    }

    private function processDomainPart() : Result
    {
        $domainPartParser = new DomainPart($this->lexer);
        $domainPartResult = $domainPartParser->parse();
        $this->domainPart = $domainPartParser->domainPart();
        $this->warnings = array_merge($domainPartParser->getWarnings(), $this->warnings);
        
        return $domainPartResult;
    }

    public function getDomainPart() : string
    {
        return $this->domainPart;
    }

    public function getLocalPart() : string
    {
        return $this->localPart;
    }

    private function hasAtToken() : bool
    {
        $this->lexer->moveNext();
        $this->lexer->moveNext();
        if ($this->lexer->token['type'] === EmailLexer::S_AT) {
            return false;
        }

        return true;
    }

    private function addLongEmailWarning(string $localPart, string $parsedDomainPart) : void
    {
        if (strlen($localPart . '@' . $parsedDomainPart) > self::EMAIL_MAX_LENGTH) {
            $this->warnings[EmailTooLong::CODE] = new EmailTooLong();
        }
    }
}