Viewing file:  DoubleQuote.php (3.13 KB) -rw-r--r--
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<?php
namespace Egulias\EmailValidator\Parser;
use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Parser\Parser;
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;
$this->lexer->moveNext();
while ($this->lexer->token['type'] !== EmailLexer::S_DQUOTE && null !== $this->lexer->token['type']) {
if (isset($special[$this->lexer->token['type']]) && $setSpecialsWarning) {
$this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
$setSpecialsWarning = false;
}
if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH && $this->lexer->isNextToken(EmailLexer::S_DQUOTE)) {
$this->lexer->moveNext();
}
$this->lexer->moveNext();
if (!$this->escaped() && isset($invalid[$this->lexer->token['type']])) {
return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), $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"), $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), $this->lexer->token['value']);
}
try {
$this->lexer->find(EmailLexer::S_DQUOTE);
} catch (\Exception $e) {
return new InvalidEmail(new UnclosedQuotedString(), $this->lexer->token['value']);
}
$this->warnings[QuotedString::CODE] = new QuotedString($previous['value'], $this->lexer->token['value']);
return new ValidEmail();
}
}
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