DomainPart::isLabelTooLong() - Code Metrics - Inspection of "Licence and .lock file" - egulias/EmailValidator - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — 3.0.0-dev (36ce88)

by Eduardo Gulias

created 2020-12-28 11:14 UTC

DomainPart::isLabelTooLong() A

↳ Parent: DomainPart

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	8
ccs	5
cts	5
cp	1
rs	10
c	0
b	0
f	0
cc	2
nc	2
nop	1
crap	2

<?php

namespace Egulias\EmailValidator\Parser;

use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Warning\TLD;
use Egulias\EmailValidator\Result\Result;
use Egulias\EmailValidator\Result\ValidEmail;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Result\Reason\DotAtEnd;
use Egulias\EmailValidator\Result\Reason\DotAtStart;
use Egulias\EmailValidator\Warning\DeprecatedComment;
use Egulias\EmailValidator\Result\Reason\CRLFAtTheEnd;
use Egulias\EmailValidator\Result\Reason\LabelTooLong;
use Egulias\EmailValidator\Result\Reason\NoDomainPart;
use Egulias\EmailValidator\Result\Reason\ConsecutiveAt;
use Egulias\EmailValidator\Result\Reason\DomainTooLong;
use Egulias\EmailValidator\Result\Reason\CharNotAllowed;
use Egulias\EmailValidator\Result\Reason\DomainHyphened;
use Egulias\EmailValidator\Result\Reason\ExpectingATEXT;
use Egulias\EmailValidator\Parser\CommentStrategy\DomainComment;
use Egulias\EmailValidator\Result\Reason\ExpectingDomainLiteralClose;
use Egulias\EmailValidator\Parser\DomainLiteral as DomainLiteralParser;

class DomainPart extends Parser
{
    const DOMAIN_MAX_LENGTH = 253;
    const LABEL_MAX_LENGTH = 63;

    /**
     * @var string
     */
    protected $domainPart = '';

    /**
     * @var string
     */
    protected $label = '';

    public function parse() : Result
    {
        $this->lexer->moveNext();

        $domainChecks = $this->performDomainStartChecks();
        if ($domainChecks->isInvalid()) {
            return $domainChecks;
        }

        if ($this->lexer->token['type'] === EmailLexer::S_AT) {
            return new InvalidEmail(new ConsecutiveAt(), $this->lexer->token['value']);
        }
        $domain = $this->doParseDomainPart();
        if ($domain->isInvalid()) {
            return $domain;
        }

        $length = strlen($this->domainPart);

        $end = $this->checkEndOfDomain();
        if ($end->isInvalid()) {
            return $end;
        }

        if ($length > self::DOMAIN_MAX_LENGTH) {
            //$this->warnings[DomainTooLong::CODE] = new DomainTooLong();
            return new InvalidEmail(new DomainTooLong(), $this->lexer->token['value']);
        }

        return new ValidEmail();
    }

    private function checkEndOfDomain() : Result
    {
        $prev = $this->lexer->getPrevious();
        if ($prev['type'] === EmailLexer::S_DOT) {
            return new InvalidEmail(new DotAtEnd(), $this->lexer->token['value']);
        }
        if ($prev['type'] === EmailLexer::S_HYPHEN) {
            return new InvalidEmail(new DomainHyphened('Hypen found at the end of the domain'), $prev['value']);
        }

        if ($this->lexer->token['type'] === EmailLexer::S_SP) {
            return new InvalidEmail(new CRLFAtTheEnd(), $prev['value']);
        }
        return new ValidEmail();

    }

    private function performDomainStartChecks() : Result
    {
        $invalidTokens = $this->checkInvalidTokensAfterAT();
        if ($invalidTokens->isInvalid()) {
            return $invalidTokens;
        }
        
        $missingDomain = $this->checkEmptyDomain();
        if ($missingDomain->isInvalid()) {
            return $missingDomain;
        }

        if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
            $this->warnings[DeprecatedComment::CODE] = new DeprecatedComment();
        }
        return new ValidEmail();
    }

    private function checkEmptyDomain() : Result
    {
        $thereIsNoDomain = $this->lexer->token['type'] === EmailLexer::S_EMPTY ||
            ($this->lexer->token['type'] === EmailLexer::S_SP &&
            !$this->lexer->isNextToken(EmailLexer::GENERIC));

        if ($thereIsNoDomain) {
            return new InvalidEmail(new NoDomainPart(), $this->lexer->token['value']);
        }

        return new ValidEmail();
    }

    private function checkInvalidTokensAfterAT() : Result
    {
        if ($this->lexer->token['type'] === EmailLexer::S_DOT) {
            return new InvalidEmail(new DotAtStart(), $this->lexer->token['value']);
        }
        if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN) {
            return new InvalidEmail(new DomainHyphened('After AT'), $this->lexer->token['value']);
        }
        return new ValidEmail();
    }

    /**
     * @return string
     */
    public function getDomainPart()
    {
        return $this->domainPart;
    }

    protected function parseComments(): Result

    {
        $commentParser = new Comment($this->lexer, new DomainComment());
        $result = $commentParser->parse();
        $this->warnings = array_merge($this->warnings, $commentParser->getWarnings());

        return $result;
    }

    protected function doParseDomainPart() : Result
    {
        $tldMissing = true;
        $hasComments = false;
        $domain = '';
        do {
            $prev = $this->lexer->getPrevious();

            $notAllowedChars = $this->checkNotAllowedChars($this->lexer->token);
            if ($notAllowedChars->isInvalid()) {
                return $notAllowedChars;
            }

            if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS || 

                $this->lexer->token['type'] === EmailLexer::S_CLOSEPARENTHESIS ) {
                $hasComments = true;
                $commentsResult = $this->parseComments();

                //Invalid comment parsing
                if($commentsResult->isInvalid()) {
                    return $commentsResult;
                }
            }

            $dotsResult = $this->checkConsecutiveDots();
            if ($dotsResult->isInvalid()) {
                return $dotsResult;
            }

            if ($this->lexer->token['type'] === EmailLexer::S_OPENBRACKET) {
                $literalResult = $this->parseDomainLiteral();

                $this->addTLDWarnings($tldMissing);
                return $literalResult;
            }

                $labelCheck = $this->checkLabelLength();
                if ($labelCheck->isInvalid()) {
                    return $labelCheck;
                }

            $FwsResult = $this->parseFWS();
            if($FwsResult->isInvalid()) {
                return $FwsResult;
            }

            $domain .= $this->lexer->token['value'];

            if ($this->lexer->token['type'] === EmailLexer::S_DOT && $this->lexer->isNextToken(EmailLexer::GENERIC)) {

                $tldMissing = false;
            }

            $exceptionsResult = $this->checkDomainPartExceptions($prev, $hasComments);
            if ($exceptionsResult->isInvalid()) {
                return $exceptionsResult;
            }
            $this->lexer->moveNext();

        } while (null !== $this->lexer->token['type']);

        $labelCheck = $this->checkLabelLength(true);
        if ($labelCheck->isInvalid()) {
            return $labelCheck;
        }
        $this->addTLDWarnings($tldMissing);

        $this->domainPart = $domain;
        return new ValidEmail();
    }

    private function checkNotAllowedChars(array $token) : Result
    {
        $notAllowed = [EmailLexer::S_BACKSLASH => true, EmailLexer::S_SLASH=> true];
        if (isset($notAllowed[$token['type']])) {
            return new InvalidEmail(new CharNotAllowed(), $token['value']);
        }
        return new ValidEmail();
    }

    /**
     * @return Result
     */
    protected function parseDomainLiteral() : Result
    {

        try {
            $this->lexer->find(EmailLexer::S_CLOSEBRACKET);
        } catch (\RuntimeException $e) {
            return new InvalidEmail(new ExpectingDomainLiteralClose(), $this->lexer->token['value']);
        }

        $domainLiteralParser = new DomainLiteralParser($this->lexer);
        $result = $domainLiteralParser->parse();
        $this->warnings = array_merge($this->warnings, $domainLiteralParser->getWarnings());
        return $result;
    }

    /**
     * @return InvalidEmail|ValidEmail
     */
    protected function checkDomainPartExceptions(array $prev, bool $hasComments) : Result
    {
        $validDomainTokens = array(
            EmailLexer::GENERIC => true,
            EmailLexer::S_HYPHEN => true,
            EmailLexer::S_DOT => true,
        );

        if ($hasComments) {
            $validDomainTokens[EmailLexer::S_OPENPARENTHESIS] = true;
            $validDomainTokens[EmailLexer::S_CLOSEPARENTHESIS] = true;
        }

        if ($this->lexer->token['type'] === EmailLexer::S_OPENBRACKET && $prev['type'] !== EmailLexer::S_AT) {
            return new InvalidEmail(new ExpectingATEXT('OPENBRACKET not after AT'), $this->lexer->token['value']);
        }

        if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN && $this->lexer->isNextToken(EmailLexer::S_DOT)) {

            return new InvalidEmail(new DomainHyphened('Hypen found near DOT'), $this->lexer->token['value']);
        }

        if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH

            && $this->lexer->isNextToken(EmailLexer::GENERIC)) {
            return new InvalidEmail(new ExpectingATEXT('Escaping following "ATOM"'), $this->lexer->token['value']);
        }

        if (!isset($validDomainTokens[$this->lexer->token['type']])) {
            return new InvalidEmail(new ExpectingATEXT('Invalid token in domain: ' . $this->lexer->token['value']), $this->lexer->token['value']);
        }

        return new ValidEmail();
    }


    private function checkLabelLength(bool $isEndOfDomain = false) : Result
    {
        if ($this->lexer->token['type'] === EmailLexer::S_DOT || $isEndOfDomain) {

            if ($this->isLabelTooLong($this->label)) {
                $this->label = '';
                return new InvalidEmail(new LabelTooLong(), $this->lexer->token['value']);
            }
        }
        $this->label .= $this->lexer->token['value'];
        return new ValidEmail();
    }


    private function isLabelTooLong(string $label) : bool
    {
        if (preg_match('/[^\x00-\x7F]/', $label)) {
            idn_to_ascii(utf8_decode($label), IDNA_DEFAULT, INTL_IDNA_VARIANT_UTS46, $idnaInfo);
            return (bool) ($idnaInfo['errors'] & IDNA_ERROR_LABEL_TOO_LONG);
        }
        return strlen($label) > self::LABEL_MAX_LENGTH;
    }

    private function addTLDWarnings(bool $isTLDMissing) : void
    {
        if ($isTLDMissing) {
            $this->warnings[TLD::CODE] = new TLD();
        }
    }
}

1			<?php
2
3			namespace Egulias\EmailValidator\Parser;
4
5			use Egulias\EmailValidator\EmailLexer;
6			use Egulias\EmailValidator\Warning\TLD;
7			use Egulias\EmailValidator\Result\Result;
8			use Egulias\EmailValidator\Result\ValidEmail;
9			use Egulias\EmailValidator\Result\InvalidEmail;
10			use Egulias\EmailValidator\Result\Reason\DotAtEnd;
11			use Egulias\EmailValidator\Result\Reason\DotAtStart;
12			use Egulias\EmailValidator\Warning\DeprecatedComment;
13			use Egulias\EmailValidator\Result\Reason\CRLFAtTheEnd;
14			use Egulias\EmailValidator\Result\Reason\LabelTooLong;
15			use Egulias\EmailValidator\Result\Reason\NoDomainPart;
16			use Egulias\EmailValidator\Result\Reason\ConsecutiveAt;
17			use Egulias\EmailValidator\Result\Reason\DomainTooLong;
18			use Egulias\EmailValidator\Result\Reason\CharNotAllowed;
19			use Egulias\EmailValidator\Result\Reason\DomainHyphened;
20			use Egulias\EmailValidator\Result\Reason\ExpectingATEXT;
21			use Egulias\EmailValidator\Parser\CommentStrategy\DomainComment;
22			use Egulias\EmailValidator\Result\Reason\ExpectingDomainLiteralClose;
23			use Egulias\EmailValidator\Parser\DomainLiteral as DomainLiteralParser;
24
25			class DomainPart extends Parser
26			{
27			const DOMAIN_MAX_LENGTH = 253;
28			const LABEL_MAX_LENGTH = 63;
29
30			/**
31			* @var string
32			*/
33			protected $domainPart = '';
34
35			/**
36			* @var string
37			*/
38			protected $label = '';
39
40	143		public function parse() : Result
41			{
42	143		$this->lexer->moveNext();
43
44	143		$domainChecks = $this->performDomainStartChecks();
45	143		if ($domainChecks->isInvalid()) {
46	11		return $domainChecks;
47			}
48
49	132		if ($this->lexer->token['type'] === EmailLexer::S_AT) {
50	1		return new InvalidEmail(new ConsecutiveAt(), $this->lexer->token['value']);
51			}
52	131		$domain = $this->doParseDomainPart();
53	131		if ($domain->isInvalid()) {
54	68		return $domain;
55			}
56
57	63		$length = strlen($this->domainPart);
58
59	63		$end = $this->checkEndOfDomain();
60	63		if ($end->isInvalid()) {
61	3		return $end;
62			}
63
64	60		if ($length > self::DOMAIN_MAX_LENGTH) {
65			//$this->warnings[DomainTooLong::CODE] = new DomainTooLong();
66			return new InvalidEmail(new DomainTooLong(), $this->lexer->token['value']);
67			}
68
69	60		return new ValidEmail();
70			}
71
72	63		private function checkEndOfDomain() : Result
73			{
74	63		$prev = $this->lexer->getPrevious();
75	63		if ($prev['type'] === EmailLexer::S_DOT) {
76	2		return new InvalidEmail(new DotAtEnd(), $this->lexer->token['value']);
77			}
78	61		if ($prev['type'] === EmailLexer::S_HYPHEN) {
79	1		return new InvalidEmail(new DomainHyphened('Hypen found at the end of the domain'), $prev['value']);
80			}
81
82	60		if ($this->lexer->token['type'] === EmailLexer::S_SP) {
83			return new InvalidEmail(new CRLFAtTheEnd(), $prev['value']);
84			}
85	60		return new ValidEmail();
86
87			}
88
89	143		private function performDomainStartChecks() : Result
90			{
91	143		$invalidTokens = $this->checkInvalidTokensAfterAT();
92	143		if ($invalidTokens->isInvalid()) {
93	2		return $invalidTokens;
94			}
95
96	141		$missingDomain = $this->checkEmptyDomain();
97	141		if ($missingDomain->isInvalid()) {
98	9		return $missingDomain;
99			}
100
101	132		if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
102	3		$this->warnings[DeprecatedComment::CODE] = new DeprecatedComment();
103			}
104	132		return new ValidEmail();
105			}
106
107	141		private function checkEmptyDomain() : Result
108			{
109	141		$thereIsNoDomain = $this->lexer->token['type'] === EmailLexer::S_EMPTY \|\|
110	133		($this->lexer->token['type'] === EmailLexer::S_SP &&
111	141		!$this->lexer->isNextToken(EmailLexer::GENERIC));
112
113	141		if ($thereIsNoDomain) {
114	9		return new InvalidEmail(new NoDomainPart(), $this->lexer->token['value']);
115			}
116
117	132		return new ValidEmail();
118			}
119
120	143		private function checkInvalidTokensAfterAT() : Result
121			{
122	143		if ($this->lexer->token['type'] === EmailLexer::S_DOT) {
123	1		return new InvalidEmail(new DotAtStart(), $this->lexer->token['value']);
124			}
125	142		if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN) {
126	1		return new InvalidEmail(new DomainHyphened('After AT'), $this->lexer->token['value']);
127			}
128	141		return new ValidEmail();
129			}
130
131			/**
132			* @return string
133			*/
134			public function getDomainPart()
135			{
136			return $this->domainPart;
137			}
138
139	7	View Code Duplication	protected function parseComments(): Result
			0 ignored issues – show Duplication introduced 2020-08-15 13:14 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
140			{
141	7		$commentParser = new Comment($this->lexer, new DomainComment());
142	7		$result = $commentParser->parse();
143	7		$this->warnings = array_merge($this->warnings, $commentParser->getWarnings());
144
145	7		return $result;
146			}
147
148	131		protected function doParseDomainPart() : Result
149			{
150	131		$tldMissing = true;
151	131		$hasComments = false;
152	131		$domain = '';
153			do {
154	131		$prev = $this->lexer->getPrevious();
155
156	131		$notAllowedChars = $this->checkNotAllowedChars($this->lexer->token);
157	131		if ($notAllowedChars->isInvalid()) {
158	3		return $notAllowedChars;
159			}
160
161	131	View Code Duplication	if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS \|\|
			0 ignored issues – show Duplication introduced 2016-04-28 23:00 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
162	131		$this->lexer->token['type'] === EmailLexer::S_CLOSEPARENTHESIS ) {
163	7		$hasComments = true;
164	7		$commentsResult = $this->parseComments();
165
166			//Invalid comment parsing
167	7		if($commentsResult->isInvalid()) {
168	5		return $commentsResult;
169			}
170			}
171
172	128		$dotsResult = $this->checkConsecutiveDots();
173	128		if ($dotsResult->isInvalid()) {
174	2		return $dotsResult;
175			}
176
177	128		if ($this->lexer->token['type'] === EmailLexer::S_OPENBRACKET) {
178	18		$literalResult = $this->parseDomainLiteral();
179
180	18		$this->addTLDWarnings($tldMissing);
181	18		return $literalResult;
182			}
183
184	110		$labelCheck = $this->checkLabelLength();
185	110		if ($labelCheck->isInvalid()) {
186	5		return $labelCheck;
187			}
188
189	110		$FwsResult = $this->parseFWS();
190	110		if($FwsResult->isInvalid()) {
191	4		return $FwsResult;
192			}
193
194	110		$domain .= $this->lexer->token['value'];
195
196	110	View Code Duplication	if ($this->lexer->token['type'] === EmailLexer::S_DOT && $this->lexer->isNextToken(EmailLexer::GENERIC)) {
			0 ignored issues – show Duplication introduced 2016-05-07 13:54 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
197	54		$tldMissing = false;
198			}
199
200	110		$exceptionsResult = $this->checkDomainPartExceptions($prev, $hasComments);
201	110		if ($exceptionsResult->isInvalid()) {
202	44		return $exceptionsResult;
203			}
204	108		$this->lexer->moveNext();
205
206	108		} while (null !== $this->lexer->token['type']);
207
208	50		$labelCheck = $this->checkLabelLength(true);
209	50		if ($labelCheck->isInvalid()) {
210	2		return $labelCheck;
211			}
212	48		$this->addTLDWarnings($tldMissing);
213
214	48		$this->domainPart = $domain;
215	48		return new ValidEmail();
216			}
217
218	131		private function checkNotAllowedChars(array $token) : Result
219			{
220	131		$notAllowed = [EmailLexer::S_BACKSLASH => true, EmailLexer::S_SLASH=> true];
221	131		if (isset($notAllowed[$token['type']])) {
222	3		return new InvalidEmail(new CharNotAllowed(), $token['value']);
223			}
224	131		return new ValidEmail();
225			}
226
227			/**
228			* @return Result
229			*/
230	18		protected function parseDomainLiteral() : Result
231			{
232
233			try {
234	18		$this->lexer->find(EmailLexer::S_CLOSEBRACKET);
235			} catch (\RuntimeException $e) {
236			return new InvalidEmail(new ExpectingDomainLiteralClose(), $this->lexer->token['value']);
237			}
238
239	18		$domainLiteralParser = new DomainLiteralParser($this->lexer);
240	18		$result = $domainLiteralParser->parse();
241	18		$this->warnings = array_merge($this->warnings, $domainLiteralParser->getWarnings());
242	18		return $result;
243			}
244
245			/**
246			* @return InvalidEmail\|ValidEmail
247			*/
248	110		protected function checkDomainPartExceptions(array $prev, bool $hasComments) : Result
249			{
250			$validDomainTokens = array(
251	110		EmailLexer::GENERIC => true,
252			EmailLexer::S_HYPHEN => true,
253			EmailLexer::S_DOT => true,
254			);
255
256	110		if ($hasComments) {
257	2		$validDomainTokens[EmailLexer::S_OPENPARENTHESIS] = true;
258	2		$validDomainTokens[EmailLexer::S_CLOSEPARENTHESIS] = true;
259			}
260
261	110		if ($this->lexer->token['type'] === EmailLexer::S_OPENBRACKET && $prev['type'] !== EmailLexer::S_AT) {
262			return new InvalidEmail(new ExpectingATEXT('OPENBRACKET not after AT'), $this->lexer->token['value']);
263			}
264
265	110	View Code Duplication	if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN && $this->lexer->isNextToken(EmailLexer::S_DOT)) {
			0 ignored issues – show Duplication introduced 2016-05-07 13:54 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
266	1		return new InvalidEmail(new DomainHyphened('Hypen found near DOT'), $this->lexer->token['value']);
267			}
268
269	110	View Code Duplication	if ($this->lexer->token['type'] === EmailLexer::S_BACKSLASH
			0 ignored issues – show Duplication introduced 2016-05-07 13:54 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
270	110		&& $this->lexer->isNextToken(EmailLexer::GENERIC)) {
271			return new InvalidEmail(new ExpectingATEXT('Escaping following "ATOM"'), $this->lexer->token['value']);
272			}
273
274	110		if (!isset($validDomainTokens[$this->lexer->token['type']])) {
275	43		return new InvalidEmail(new ExpectingATEXT('Invalid token in domain: ' . $this->lexer->token['value']), $this->lexer->token['value']);
276			}
277
278	108		return new ValidEmail();
279			}
280
281
282	110		private function checkLabelLength(bool $isEndOfDomain = false) : Result
283			{
284	110	View Code Duplication	if ($this->lexer->token['type'] === EmailLexer::S_DOT \|\| $isEndOfDomain) {
			0 ignored issues – show Duplication introduced 2020-12-28 11:10 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
285	67		if ($this->isLabelTooLong($this->label)) {
286	7		$this->label = '';
287	7		return new InvalidEmail(new LabelTooLong(), $this->lexer->token['value']);
288			}
289			}
290	110		$this->label .= $this->lexer->token['value'];
291	110		return new ValidEmail();
292			}
293
294
295	67		private function isLabelTooLong(string $label) : bool
296			{
297	67		if (preg_match('/[^\x00-\x7F]/', $label)) {
298	9		idn_to_ascii(utf8_decode($label), IDNA_DEFAULT, INTL_IDNA_VARIANT_UTS46, $idnaInfo);
299	9		return (bool) ($idnaInfo['errors'] & IDNA_ERROR_LABEL_TOO_LONG);
300			}
301	59		return strlen($label) > self::LABEL_MAX_LENGTH;
302			}
303
304	66		private function addTLDWarnings(bool $isTLDMissing) : void
305			{
306	66		if ($isTLDMissing) {
307	23		$this->warnings[TLD::CODE] = new TLD();
308			}
309			}
310			}

egulias / EmailValidator

Branch — 3.0.0-dev (36ce88)

DomainPart::isLabelTooLong() A

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