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\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->current->isA(EmailLexer::S_DQUOTE) && !$this->lexer->current->isA(EmailLexer::S_EMPTY)) {
if (isset($special[$this->lexer->current->type]) && $setSpecialsWarning) {
$this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
$setSpecialsWarning = false;
}
if ($this->lexer->current->isA(EmailLexer::S_BACKSLASH) && $this->lexer->isNextToken(EmailLexer::S_DQUOTE)) {
$this->lexer->moveNext();
}
$this->lexer->moveNext();
if (!$this->escaped() && isset($invalid[$this->lexer->current->type])) {
return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), $this->lexer->current->value);
}
}
$prev = $this->lexer->getPrevious();
if ($prev->isA(EmailLexer::S_BACKSLASH)) {
$validQuotedString = $this->checkDQUOTE();
if ($validQuotedString->isInvalid()) {
return $validQuotedString;
}
}
if (!$this->lexer->isNextToken(EmailLexer::S_AT) && !$prev->isA(EmailLexer::S_BACKSLASH)) {
return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), $this->lexer->current->value);
}
return new ValidEmail();
}
protected function checkDQUOTE(): Result
{
$previous = $this->lexer->getPrevious();
if ($this->lexer->isNextToken(EmailLexer::GENERIC) && $previous->isA(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->current->value);
}
try {
$this->lexer->find(EmailLexer::S_DQUOTE);
} catch (\Exception $e) {
return new InvalidEmail(new UnclosedQuotedString(), $this->lexer->current->value);
}
$this->warnings[QuotedString::CODE] = new QuotedString($previous->value, $this->lexer->current->value);
return new ValidEmail();
}
}
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