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📄 Comment.php(3.08 KB)
📁 CommentStrategy
📄 DomainLiteral.php(7 KB)
📄 DomainPart.php(10.53 KB)
📄 DoubleQuote.php(3.13 KB)
📄 FoldingWhiteSpace.php(2.73 KB)
📄 IDLeftPart.php(386 B)
📄 IDRightPart.php(972 B)
📄 LocalPart.php(5.32 KB)
📄 PartParser.php(1.5 KB)

Editing: FoldingWhiteSpace.php

<?php

namespace Egulias\EmailValidator\Parser;

use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Warning\CFWSNearAt;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Warning\CFWSWithFWS;
use Egulias\EmailValidator\Result\Reason\CRNoLF;
use Egulias\EmailValidator\Result\Reason\AtextAfterCFWS;
use Egulias\EmailValidator\Result\Reason\CRLFAtTheEnd;
use Egulias\EmailValidator\Result\Reason\CRLFX2;
use Egulias\EmailValidator\Result\Reason\ExpectingCTEXT;
use Egulias\EmailValidator\Result\Result;
use Egulias\EmailValidator\Result\ValidEmail;

class  FoldingWhiteSpace extends PartParser
{
    public const FWS_TYPES = [
        EmailLexer::S_SP,
        EmailLexer::S_HTAB,
        EmailLexer::S_CR,
        EmailLexer::S_LF,
        EmailLexer::CRLF
    ];

public function parse(): Result
    {
        if (!$this->isFWS()) {
            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->warnings[CFWSNearAt::CODE] = new CFWSNearAt();
        } else {
            $this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
        }

return new ValidEmail();
    }

protected function checkCRLFInFWS(): Result
    {
        if (!$this->lexer->current->isA(EmailLexer::CRLF)) {
            return new ValidEmail();
        }

if (!$this->lexer->isNextTokenAny(array(EmailLexer::S_SP, EmailLexer::S_HTAB))) {
            return new InvalidEmail(new CRLFX2(), $this->lexer->current->value);
        }

//this has no coverage. Condition is repeated from above one
        if (!$this->lexer->isNextTokenAny(array(EmailLexer::S_SP, EmailLexer::S_HTAB))) {
            return new InvalidEmail(new CRLFAtTheEnd(), $this->lexer->current->value);
        }

return new ValidEmail();
    }

protected function isFWS(): bool
    {
        if ($this->escaped()) {
            return false;
        }

return in_array($this->lexer->current->type, self::FWS_TYPES);
    }
}

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Editing: FoldingWhiteSpace.php

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