<?php
namespace Egulias\EmailValidator\Parser;

use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Result\ValidEmail;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Warning\CFWSWithFWS;
use Egulias\EmailValidator\Warning\QuotedString;
use Egulias\EmailValidator\Result\Reason\ExpectingATEXT;
use Egulias\EmailValidator\Result\Reason\UnclosedQuotedString;
use Egulias\EmailValidator\Result\Result;

class DoubleQuote extends PartParser
{
    public function parse() : Result
    {

        $validQuotedString = $this->checkDQUOTE();
        if($validQuotedString->isInvalid()) return $validQuotedString;

        $special = [
            EmailLexer::S_CR => true,
            EmailLexer::S_HTAB => true,
            EmailLexer::S_LF => true
        ];

        $invalid = [
            EmailLexer::C_NUL => true,
            EmailLexer::S_HTAB => true,
            EmailLexer::S_CR => true,
            EmailLexer::S_LF => true
        ];

        $setSpecialsWarning = true;

        $this->lexer->moveNext();

        while (((array) $this->lexer->token)['type'] !== EmailLexer::S_DQUOTE && null !== ((array) $this->lexer->token)['type']) {
            if (isset($special[((array) $this->lexer->token)['type']]) && $setSpecialsWarning) {
                $this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
                $setSpecialsWarning = false;
            }
            if (((array) $this->lexer->token)['type'] === EmailLexer::S_BACKSLASH && $this->lexer->isNextToken(EmailLexer::S_DQUOTE)) {
                $this->lexer->moveNext();
            }

            $this->lexer->moveNext();

            if (!$this->escaped() && isset($invalid[((array) $this->lexer->token)['type']])) {
                return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), ((array) $this->lexer->token)['value']);
            }
        }

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

        if ($prev['type'] === EmailLexer::S_BACKSLASH) {
            $validQuotedString = $this->checkDQUOTE();
            if($validQuotedString->isInvalid()) return $validQuotedString;
        }

        if (!$this->lexer->isNextToken(EmailLexer::S_AT) && $prev['type'] !== EmailLexer::S_BACKSLASH) {
            return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), ((array) $this->lexer->token)['value']);
        }

        return new ValidEmail();
    }

    protected function checkDQUOTE() : Result
    {
        $previous = $this->lexer->getPrevious();

        if ($this->lexer->isNextToken(EmailLexer::GENERIC) && $previous['type'] === EmailLexer::GENERIC) {
            $description = 'https://tools.ietf.org/html/rfc5322#section-3.2.4 - quoted string should be a unit';
            return new InvalidEmail(new ExpectingATEXT($description), ((array) $this->lexer->token)['value']);
        }

        try {
            $this->lexer->find(EmailLexer::S_DQUOTE);
        } catch (\Exception $e) {
            return new InvalidEmail(new UnclosedQuotedString(), ((array) $this->lexer->token)['value']);
        }
        $this->warnings[QuotedString::CODE] = new QuotedString($previous['value'], ((array) $this->lexer->token)['value']);

        return new ValidEmail();
    }

}

• [D] CommentStrategy
• [F] Comment.php
  Delete
• [F] DomainLiteral.php
  Delete
• [F] DomainPart.php
  Delete
• [F] DoubleQuote.php
  Delete
• [F] FoldingWhiteSpace.php
  Delete
• [F] IDLeftPart.php
  Delete
• [F] IDRightPart.php
  Delete
• [F] LocalPart.php
  Delete
• [F] PartParser.php
  Delete

Save Cards

Save Your Card for Quick and Easy Future Payments Online

Simplify your payment experience by securely saving your card on our platform. After your initial transaction, you can choose to store your card details safely for future use. This feature eliminates the need to re-enter your payment information each time, making checkouts faster while keeping your data secure with advanced encryption and robust security measures.

• Navigate to the “Save Card” section.
• Click on “Add Card.”
• Choose your preferred setup method.
• Your card is now saved for future payments.