<?php
namespace Egulias\EmailValidator;
use Egulias\EmailValidator\Exception\ExpectingATEXT;
use Egulias\EmailValidator\Exception\NoLocalPart;
use Egulias\EmailValidator\Parser\DomainPart;
use Egulias\EmailValidator\Parser\LocalPart;
use Egulias\EmailValidator\Warning\EmailTooLong;
/**
* EmailParser
*
* @author Eduardo Gulias Davis <me@egulias.com>
*/
class EmailParser
{
const EMAIL_MAX_LENGTH = 254;
/**
* @var array
*/
protected $warnings = [];
/**
* @var string
*/
protected $domainPart = '';
/**
* @var string
*/
protected $localPart = '';
/**
* @var EmailLexer
*/
protected $lexer;
/**
* @var LocalPart
*/
protected $localPartParser;
/**
* @var DomainPart
*/
protected $domainPartParser;
public function __construct(EmailLexer $lexer)
{
$this->lexer = $lexer;
$this->localPartParser = new LocalPart($this->lexer);
$this->domainPartParser = new DomainPart($this->lexer);
}
/**
* @param string $str
* @return array
*/
public function parse($str)
{
$this->lexer->setInput($str);
if (!$this->hasAtToken()) {
throw new NoLocalPart();
}
$this->localPartParser->parse($str);
$this->domainPartParser->parse($str);
$this->setParts($str);
if ($this->lexer->hasInvalidTokens()) {
throw new ExpectingATEXT();
}
return array('local' => $this->localPart, 'domain' => $this->domainPart);
}
/**
* @return Warning\Warning[]
*/
public function getWarnings()
{
$localPartWarnings = $this->localPartParser->getWarnings();
$domainPartWarnings = $this->domainPartParser->getWarnings();
$this->warnings = array_merge($localPartWarnings, $domainPartWarnings);
$this->addLongEmailWarning($this->localPart, $this->domainPart);
return $this->warnings;
}
/**
* @return string
*/
public function getParsedDomainPart()
{
return $this->domainPart;
}
/**
* @param string $email
*/
protected function setParts($email)
{
$parts = explode('@', $email);
$this->domainPart = $this->domainPartParser->getDomainPart();
$this->localPart = $parts[0];
}
/**
* @return bool
*/
protected function hasAtToken()
{
$this->lexer->moveNext();
$this->lexer->moveNext();
if ($this->lexer->token['type'] === EmailLexer::S_AT) {
return false;
}
return true;
}
/**
* @param string $localPart
* @param string $parsedDomainPart
*/
protected function addLongEmailWarning($localPart, $parsedDomainPart)
{
if (strlen($localPart . '@' . $parsedDomainPart) > self::EMAIL_MAX_LENGTH) {
$this->warnings[EmailTooLong::CODE] = new EmailTooLong();
}
}
}