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<?php
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<?php
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namespace Egulias\EmailValidator\Parser;
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namespace Egulias\EmailValidator\Parser;
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use Egulias\EmailValidator\EmailLexer;
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use Egulias\EmailValidator\EmailLexer;
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use Egulias\EmailValidator\Result\ValidEmail;
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use Egulias\EmailValidator\Result\ValidEmail;
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use Egulias\EmailValidator\Result\Reason\UnclosedQuotedString;
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use Egulias\EmailValidator\Result\Reason\UnclosedQuotedString;
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use Egulias\EmailValidator\Result\Result;
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use Egulias\EmailValidator\Result\Result;
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class DoubleQuote extends PartParser
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class DoubleQuote extends PartParser
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{
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{
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    public function parse() : Result
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    public function parse(): Result
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    {
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    {
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        $validQuotedString = $this->checkDQUOTE();
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        $validQuotedString = $this->checkDQUOTE();
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        if($validQuotedString->isInvalid()) return $validQuotedString;
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        if ($validQuotedString->isInvalid()) return $validQuotedString;
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        $special = [
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        $special = [
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            EmailLexer::C_NUL => true,
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            EmailLexer::C_NUL => true,
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            EmailLexer::S_HTAB => true,
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            EmailLexer::S_HTAB => true,
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            EmailLexer::S_CR => true,
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            EmailLexer::S_CR => true,
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            EmailLexer::S_LF => true
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            EmailLexer::S_LF => true
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        ];
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        ];
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        $setSpecialsWarning = true;
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        $setSpecialsWarning = true;
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        $this->lexer->moveNext();
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        $this->lexer->moveNext();
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        while ($this->lexer->token['type'] !== EmailLexer::S_DQUOTE && null !== $this->lexer->token['type']) {
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        while (!$this->lexer->current->isA(EmailLexer::S_DQUOTE) && !$this->lexer->current->isA(EmailLexer::S_EMPTY)) {
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            if (isset($special[$this->lexer->token['type']]) && $setSpecialsWarning) {
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            if (isset($special[$this->lexer->current->type]) && $setSpecialsWarning) {
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                $this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
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                $this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
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                $setSpecialsWarning = false;
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                $setSpecialsWarning = false;
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            }
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            }
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            if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH && $this->lexer->isNextToken(EmailLexer::S_DQUOTE)) {
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            if ($this->lexer->current->isA(EmailLexer::S_BACKSLASH) && $this->lexer->isNextToken(EmailLexer::S_DQUOTE)) {
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                $this->lexer->moveNext();
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                $this->lexer->moveNext();
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            }
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            }
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            $this->lexer->moveNext();
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            $this->lexer->moveNext();
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            if (!$this->escaped() && isset($invalid[$this->lexer->token['type']])) {
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            if (!$this->escaped() && isset($invalid[$this->lexer->current->type])) {
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                return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), $this->lexer->token['value']);
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                return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), $this->lexer->current->value);
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            }
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            }
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        }
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        }
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        $prev = $this->lexer->getPrevious();
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        $prev = $this->lexer->getPrevious();
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        if ($prev['type'] === EmailLexer::S_BACKSLASH) {
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        if ($prev->isA(EmailLexer::S_BACKSLASH)) {
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            $validQuotedString = $this->checkDQUOTE();
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            $validQuotedString = $this->checkDQUOTE();
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            if($validQuotedString->isInvalid()) return $validQuotedString;
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            if ($validQuotedString->isInvalid()) return $validQuotedString;
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        }
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        }
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        if (!$this->lexer->isNextToken(EmailLexer::S_AT) && $prev['type'] !== EmailLexer::S_BACKSLASH) {
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        if (!$this->lexer->isNextToken(EmailLexer::S_AT) && !$prev->isA(EmailLexer::S_BACKSLASH)) {
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            return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), $this->lexer->token['value']);
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            return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), $this->lexer->current->value);
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        }
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        }
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        return new ValidEmail();
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        return new ValidEmail();
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    }
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    }
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    protected function checkDQUOTE() : Result
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    protected function checkDQUOTE(): Result
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    {
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    {
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        $previous = $this->lexer->getPrevious();
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        $previous = $this->lexer->getPrevious();
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        if ($this->lexer->isNextToken(EmailLexer::GENERIC) && $previous['type'] === EmailLexer::GENERIC) {
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        if ($this->lexer->isNextToken(EmailLexer::GENERIC) && $previous->isA(EmailLexer::GENERIC)) {
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            $description = 'https://tools.ietf.org/html/rfc5322#section-3.2.4 - quoted string should be a unit';
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            $description = 'https://tools.ietf.org/html/rfc5322#section-3.2.4 - quoted string should be a unit';
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            return new InvalidEmail(new ExpectingATEXT($description), $this->lexer->token['value']);
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        }
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            return new InvalidEmail(new ExpectingATEXT($description), $this->lexer->current->value);