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<?php |
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namespace Egulias\EmailValidator\Parser; |
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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\InvalidEmail; |
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use Egulias\EmailValidator\Warning\CFWSWithFWS; |
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use Egulias\EmailValidator\Warning\QuotedString; |
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use Egulias\EmailValidator\Result\Reason\ExpectingATEXT; |
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use Egulias\EmailValidator\Result\Reason\UnclosedQuotedString; |
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use Egulias\EmailValidator\Result\Result; |
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class DoubleQuote extends PartParser |
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{ |
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public function parse() : Result |
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{ |
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$validQuotedString = $this->checkDQUOTE(); |
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if($validQuotedString->isInvalid()) return $validQuotedString; |
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$special = [ |
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EmailLexer::S_CR => true, |
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EmailLexer::S_HTAB => true, |
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EmailLexer::S_LF => true |
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]; |
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$invalid = [ |
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EmailLexer::C_NUL => true, |
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EmailLexer::S_HTAB => true, |
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EmailLexer::S_CR => true, |
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EmailLexer::S_LF => true |
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]; |
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$setSpecialsWarning = true; |
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$this->lexer->moveNext(); |
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while ($this->lexer->token['type'] !== EmailLexer::S_DQUOTE && null !== $this->lexer->token['type']) { |
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if (isset($special[$this->lexer->token['type']]) && $setSpecialsWarning) { |
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$this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS(); |
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$setSpecialsWarning = false; |
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} |
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if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH && $this->lexer->isNextToken(EmailLexer::S_DQUOTE)) { |
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$this->lexer->moveNext(); |
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} |
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$this->lexer->moveNext(); |
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if (!$this->escaped() && isset($invalid[$this->lexer->token['type']])) { |
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return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), $this->lexer->token['value']); |
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} |
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} |
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$prev = $this->lexer->getPrevious(); |
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if ($prev['type'] === EmailLexer::S_BACKSLASH) { |
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$validQuotedString = $this->checkDQUOTE(); |
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if($validQuotedString->isInvalid()) return $validQuotedString; |
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} |
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if (!$this->lexer->isNextToken(EmailLexer::S_AT) && $prev['type'] !== EmailLexer::S_BACKSLASH) { |
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return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), $this->lexer->token['value']); |
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} |
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return new ValidEmail(); |
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} |
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protected function checkDQUOTE() : Result |
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{ |
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$previous = $this->lexer->getPrevious(); |
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if ($this->lexer->isNextToken(EmailLexer::GENERIC) && $previous['type'] === EmailLexer::GENERIC) { |
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$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), $this->lexer->token['value']); |
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} |
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try { |
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$this->lexer->find(EmailLexer::S_DQUOTE); |
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} catch (\Exception $e) { |
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return new InvalidEmail(new UnclosedQuotedString(), $this->lexer->token['value']); |
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} |
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$this->warnings[QuotedString::CODE] = new QuotedString($previous['value'], $this->lexer->token['value']); |
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return new ValidEmail(); |
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} |
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} |
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egulias /
EmailValidator
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