Parser::extractComment() - Code Metrics - Inspection of "Merge pull request #67 from Badcow/Message" - Badcow/DNS - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( c1e68f...f0bd78 )

by Sam

created 2020-03-04 20:01 UTC

Parser::extractComment() A

↳ Parent: Parser

Complexity

Conditions	3
Paths	3

Size

Total Lines	22
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	12
nc	3
nop	1
dl	0
loc	22
ccs	13
cts	13
cp	1
crap	3
rs	9.8666
c	0
b	0
f	0

<?php

declare(strict_types=1);

/*
 * This file is part of Badcow DNS Library.
 *
 * (c) Samuel Williams <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Badcow\DNS\Parser;

use Badcow\DNS\Classes;
use Badcow\DNS\Rdata\Factory;
use Badcow\DNS\Rdata\PTR;
use Badcow\DNS\Rdata\RdataInterface;
use Badcow\DNS\Rdata\Types;
use Badcow\DNS\ResourceRecord;
use Badcow\DNS\Zone;

class Parser
{
    /**
     * @var string
     */
    private $string;

    /**
     * @var Zone
     */
    private $zone;

    /**
     * Array of methods that take an ArrayIterator and return an Rdata object. The array key is the Rdata type.
     *
     * @var callable[]
     */
    private $rdataHandlers = [];

    /**
     * @var ResourceRecord
     */
    private $currentResourceRecord;

    /**
     * @var string
     */
    private $lastStatedDomain;

    /**
     * @var int
     */
    private $lastStatedTtl;

    /**
     * @var string
     */
    private $lastStatedClass;

    /**
     * Parser constructor.
     *
     * @param array $rdataHandlers
     */
    public function __construct(array $rdataHandlers = [])
    {
        $this->rdataHandlers = array_merge(
            [PTR::TYPE => [$this, 'ptrHandler']],
            $rdataHandlers
        );
    }

    /**
     * @param string $name
     * @param string $zone
     * @param int    $commentOptions
     *
     * @return Zone
     *
     * @throws ParseException
     */
    public static function parse(string $name, string $zone, int $commentOptions = Comments::NONE): Zone
    {
        return (new self())->makeZone($name, $zone, $commentOptions);
    }

    /**
     * @param string $name
     * @param string $string
     * @param int    $commentOptions
     *
     * @return Zone
     *
     * @throws ParseException
     */
    public function makeZone(string $name, string $string, int $commentOptions = Comments::NONE): Zone
    {
        $this->zone = new Zone($name);
        $this->string = Normaliser::normalise($string, $commentOptions);

        foreach (explode(Tokens::LINE_FEED, $this->string) as $line) {
            $this->processLine($line);
        }

        return $this->zone;
    }

    /**
     * @param string $line
     *
     * @throws ParseException
     */
    private function processLine(string $line): void
    {
        list($entry, $comment) = $this->extractComment($line);

        $this->currentResourceRecord = new ResourceRecord();
        $this->currentResourceRecord->setTtl($this->zone->getDefaultTtl());
        $this->currentResourceRecord->setComment($comment);

        if ('' === $entry) {
            $this->zone->addResourceRecord($this->currentResourceRecord);

            return;
        }

        $iterator = new ResourceRecordIterator($entry);

        if ($this->isControlEntry($iterator)) {
            $this->processControlEntry($iterator);

            return;
        }

        $this->processEntry($iterator);
        $this->zone->addResourceRecord($this->currentResourceRecord);
    }

    /**
     * @param ResourceRecordIterator $iterator
     *
     * @throws ParseException
     */
    private function processEntry(ResourceRecordIterator $iterator): void
    {
        if ($this->isTTL($iterator)) {
            $this->currentResourceRecord->setTtl((int) $iterator->current());
            $iterator->next();
            $this->processEntry($iterator);

            return;
        }

        if ($this->isClass($iterator)) {
            $this->currentResourceRecord->setClass(strtoupper($iterator->current()));
            $iterator->next();
            $this->processEntry($iterator);

            return;
        }

        if ($this->isResourceName($iterator) && null === $this->currentResourceRecord->getName()) {

            $this->currentResourceRecord->setName($iterator->current());
            $iterator->next();
            $this->processEntry($iterator);

            return;
        }

        if ($this->isType($iterator)) {
            $this->currentResourceRecord->setRdata($this->extractRdata($iterator));
            $this->populateWithLastStated();

            return;
        }

        throw new ParseException(sprintf('Could not parse entry "%s".', implode(' ', $iterator->getArrayCopy())));
    }

    /**
     * If no domain-name, TTL, or class is set on the record, populate object with last stated value.
     *
     * @see https://www.ietf.org/rfc/rfc1035 Section 5.1
     */
    private function populateWithLastStated(): void
    {
        if (null === $this->currentResourceRecord->getName()) {

            $this->currentResourceRecord->setName($this->lastStatedDomain);
        } else {
            $this->lastStatedDomain = $this->currentResourceRecord->getName();
        }

        if (null === $this->currentResourceRecord->getTtl()) {
            $this->currentResourceRecord->setTtl($this->lastStatedTtl);
        } else {
            $this->lastStatedTtl = $this->currentResourceRecord->getTtl();
        }

        if (null === $this->currentResourceRecord->getClass()) {
            $this->currentResourceRecord->setClass($this->lastStatedClass);
        } else {
            $this->lastStatedClass = $this->currentResourceRecord->getClass();
        }
    }

    /**
     * Processes control entries at the top of a BIND record, i.e. $ORIGIN, $TTL, $INCLUDE, etc.
     *
     * @param ResourceRecordIterator $iterator
     */
    private function processControlEntry(ResourceRecordIterator $iterator): void
    {
        if ('$TTL' === strtoupper($iterator->current())) {
            $iterator->next();
            $this->zone->setDefaultTtl((int) $iterator->current());
        }

        if ('$ORIGIN' === strtoupper($iterator->current())) {
            $iterator->next();
            $this->zone->setName((string) $iterator->current());
        }
    }

    /**
     * Determine if iterant is a resource name.
     *
     * @param ResourceRecordIterator $iterator
     *
     * @return bool
     */
    private function isResourceName(ResourceRecordIterator $iterator): bool
    {
        // Look ahead and determine if the next token is a TTL, Class, or valid Type.
        $iterator->next();

        if (!$iterator->valid()) {
            return false;
        }

        $isName = $this->isTTL($iterator) ||
            $this->isClass($iterator, 'DOMAIN') ||
            $this->isType($iterator);
        $iterator->prev();

        if (!$isName) {
            return false;
        }

        if (0 === $iterator->key()) {
            return true;
        }

        return false;
    }

    /**
     * Determine if iterant is a class.
     *
     * @param ResourceRecordIterator $iterator
     * @param string|null            $origin   the previously assumed resource record parameter, either 'TTL' or NULL
     *
     * @return bool
     */
    private function isClass(ResourceRecordIterator $iterator, $origin = null): bool
    {
        if (!Classes::isValid($iterator->current())) {
            return false;
        }

        $iterator->next();
        if ('TTL' === $origin) {
            $isClass = $this->isType($iterator);
        } else {
            $isClass = $this->isTTL($iterator, 'CLASS') || $this->isType($iterator);
        }
        $iterator->prev();

        return $isClass;
    }

    /**
     * Determine if current iterant is an Rdata type string.
     *
     * @param ResourceRecordIterator $iterator
     *
     * @return bool
     */
    private function isType(ResourceRecordIterator $iterator): bool
    {
        return Types::isValid(strtoupper($iterator->current())) || array_key_exists($iterator->current(), $this->rdataHandlers);
    }

    /**
     * Determine if iterant is a control entry such as $TTL, $ORIGIN, $INCLUDE, etcetera.
     *
     * @param ResourceRecordIterator $iterator
     *
     * @return bool
     */
    private function isControlEntry(ResourceRecordIterator $iterator): bool
    {
        return 1 === preg_match('/^\$[A-Z0-9]+/i', $iterator->current());
    }

    /**
     * Determine if the iterant is a TTL (i.e. it is an integer).
     *
     * @param ResourceRecordIterator $iterator
     * @param string                 $origin   the previously assumed resource record parameter, either 'CLASS' or NULL
     *
     * @return bool
     */
    private function isTTL(ResourceRecordIterator $iterator, $origin = null): bool
    {
        if (1 !== preg_match('/^\d+$/', $iterator->current())) {
            return false;
        }

        $iterator->next();
        if ('CLASS' === $origin) {
            $isTtl = $this->isType($iterator);
        } else {
            $isTtl = $this->isClass($iterator, 'TTL') || $this->isType($iterator);
        }
        $iterator->prev();

        return $isTtl;
    }

    /**
     * Split a DNS zone line into a resource record and a comment.
     *
     * @param string $rr
     *
     * @return array [$entry, $comment]
     */
    private function extractComment(string $rr): array
    {
        $string = new StringIterator($rr);
        $entry = '';
        $comment = null;

        while ($string->valid()) {
            //If a semicolon is within double quotes, it will not be treated as the beginning of a comment.
            $entry .= $this->extractDoubleQuotedText($string);

            if ($string->is(Tokens::SEMICOLON)) {
                $string->next();
                $comment = $string->getRemainingAsString();

                break;
            }

            $entry .= $string->current();
            $string->next();
        }

        return [$entry, $comment];
    }

    /**
     * Extract text within double quotation context.
     *
     * @param StringIterator $string
     *
     * @return string
     */
    private function extractDoubleQuotedText(StringIterator $string): string
    {
        if ($string->isNot(Tokens::DOUBLE_QUOTES)) {
            return '';
        }

        $entry = $string->current();
        $string->next();

        while ($string->isNot(Tokens::DOUBLE_QUOTES)) {
            //If the current char is a backslash, treat the next char as being escaped.
            if ($string->is(Tokens::BACKSLASH)) {
                $entry .= $string->current();
                $string->next();
            }
            $entry .= $string->current();
            $string->next();
        }

        return $entry;
    }

    /**
     * @param ResourceRecordIterator $iterator
     *
     * @return RdataInterface
     *
     * @throws ParseException
     */
    private function extractRdata(ResourceRecordIterator $iterator): RdataInterface
    {
        $type = strtoupper($iterator->current());
        $iterator->next();

        if (array_key_exists($type, $this->rdataHandlers)) {
            return call_user_func($this->rdataHandlers[$type], $iterator);
        }

        try {
            return Factory::textToRdataType($type, $iterator->getRemainingAsString());
        } catch (\Exception $exception) {
            throw new ParseException(sprintf('Could not extract Rdata from resource record "%s".', (string) $iterator), null, $exception);
        }
    }

    /**
     * This handler addresses the special case where an integer resource name could be confused for a TTL, for instance:
     * 50 IN PTR mx1.acme.com.
     *
     * In the above, if the integer is below 256 then it is assumed to represent an octet of an IPv4 address.
     *
     * @param ResourceRecordIterator $iterator
     *
     * @return PTR
     */
    private function ptrHandler(ResourceRecordIterator $iterator): PTR
    {
        if (null === $this->currentResourceRecord->getName() && null !== $this->currentResourceRecord->getTtl()) {

            if ($this->currentResourceRecord->getTtl() < 256) {
                $this->currentResourceRecord->setName((string) $this->currentResourceRecord->getTtl());
                $this->currentResourceRecord->setTtl(null);
            }
        }

        /** @var PTR $ptr */
        $ptr = PTR::fromText($iterator->getRemainingAsString());

        return $ptr;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		/*
6		* This file is part of Badcow DNS Library.
7		*
8		* (c) Samuel Williams <[email protected]>
9		*
10		* For the full copyright and license information, please view the LICENSE
11		* file that was distributed with this source code.
12		*/
13
14		namespace Badcow\DNS\Parser;
15
16		use Badcow\DNS\Classes;
17		use Badcow\DNS\Rdata\Factory;
18		use Badcow\DNS\Rdata\PTR;
19		use Badcow\DNS\Rdata\RdataInterface;
20		use Badcow\DNS\Rdata\Types;
21		use Badcow\DNS\ResourceRecord;
22		use Badcow\DNS\Zone;
23
24		class Parser
25		{
26		/**
27		* @var string
28		*/
29		private $string;
30
31		/**
32		* @var Zone
33		*/
34		private $zone;
35
36		/**
37		* Array of methods that take an ArrayIterator and return an Rdata object. The array key is the Rdata type.
38		*
39		* @var callable[]
40		*/
41		private $rdataHandlers = [];
42
43		/**
44		* @var ResourceRecord
45		*/
46		private $currentResourceRecord;
47
48		/**
49		* @var string
50		*/
51		private $lastStatedDomain;
52
53		/**
54		* @var int
55		*/
56		private $lastStatedTtl;
57
58		/**
59		* @var string
60		*/
61		private $lastStatedClass;
62
63		/**
64		* Parser constructor.
65		*
66		* @param array $rdataHandlers
67		*/
68	25	public function __construct(array $rdataHandlers = [])
69		{
70	25	$this->rdataHandlers = array_merge(
71	25	[PTR::TYPE => [$this, 'ptrHandler']],
72	25	$rdataHandlers
73		);
74	25	}
75
76		/**
77		* @param string $name
78		* @param string $zone
79		* @param int $commentOptions
80		*
81		* @return Zone
82		*
83		* @throws ParseException
84		*/
85	24	public static function parse(string $name, string $zone, int $commentOptions = Comments::NONE): Zone
86		{
87	24	return (new self())->makeZone($name, $zone, $commentOptions);
88		}
89
90		/**
91		* @param string $name
92		* @param string $string
93		* @param int $commentOptions
94		*
95		* @return Zone
96		*
97		* @throws ParseException
98		*/
99	25	public function makeZone(string $name, string $string, int $commentOptions = Comments::NONE): Zone
100		{
101	25	$this->zone = new Zone($name);
102	25	$this->string = Normaliser::normalise($string, $commentOptions);
103
104	25	foreach (explode(Tokens::LINE_FEED, $this->string) as $line) {
105	25	$this->processLine($line);
106		}
107
108	22	return $this->zone;
109		}
110
111		/**
112		* @param string $line
113		*
114		* @throws ParseException
115		*/
116	25	private function processLine(string $line): void
117		{
118	25	list($entry, $comment) = $this->extractComment($line);
119
120	25	$this->currentResourceRecord = new ResourceRecord();
121	25	$this->currentResourceRecord->setTtl($this->zone->getDefaultTtl());
122	25	$this->currentResourceRecord->setComment($comment);
123
124	25	if ('' === $entry) {
125	2	$this->zone->addResourceRecord($this->currentResourceRecord);
126
127	2	return;
128		}
129
130	25	$iterator = new ResourceRecordIterator($entry);
131
132	25	if ($this->isControlEntry($iterator)) {
133	10	$this->processControlEntry($iterator);
134
135	10	return;
136		}
137
138	25	$this->processEntry($iterator);
139	22	$this->zone->addResourceRecord($this->currentResourceRecord);
140	22	}
141
142		/**
143		* @param ResourceRecordIterator $iterator
144		*
145		* @throws ParseException
146		*/
147	25	private function processEntry(ResourceRecordIterator $iterator): void
148		{
149	25	if ($this->isTTL($iterator)) {
150	14	$this->currentResourceRecord->setTtl((int) $iterator->current());
151	14	$iterator->next();
152	14	$this->processEntry($iterator);
153
154	12	return;
155		}
156
157	25	if ($this->isClass($iterator)) {
158	23	$this->currentResourceRecord->setClass(strtoupper($iterator->current()));
159	23	$iterator->next();
160	23	$this->processEntry($iterator);
161
162	21	return;
163		}
164
165	25	if ($this->isResourceName($iterator) && null === $this->currentResourceRecord->getName()) {
		0 ignored issues – show introduced 2019-11-28 09:22 UTC by Report Bug Copy Issue Report The condition `null === $this->currentResourceRecord->getName()` is always `false`. Loading history...
166	24	$this->currentResourceRecord->setName($iterator->current());
167	24	$iterator->next();
168	24	$this->processEntry($iterator);
169
170	22	return;
171		}
172
173	25	if ($this->isType($iterator)) {
174	24	$this->currentResourceRecord->setRdata($this->extractRdata($iterator));
175	22	$this->populateWithLastStated();
176
177	22	return;
178		}
179
180	1	throw new ParseException(sprintf('Could not parse entry "%s".', implode(' ', $iterator->getArrayCopy())));
181		}
182
183		/**
184		* If no domain-name, TTL, or class is set on the record, populate object with last stated value.
185		*
186		* @see https://www.ietf.org/rfc/rfc1035 Section 5.1
187		*/
188	22	private function populateWithLastStated(): void
189		{
190	22	if (null === $this->currentResourceRecord->getName()) {
		0 ignored issues – show introduced 2019-11-28 09:22 UTC by Report Bug Copy Issue Report The condition `null === $this->currentResourceRecord->getName()` is always `false`. Loading history...
191	3	$this->currentResourceRecord->setName($this->lastStatedDomain);
192		} else {
193	22	$this->lastStatedDomain = $this->currentResourceRecord->getName();
194		}
195
196	22	if (null === $this->currentResourceRecord->getTtl()) {
197	6	$this->currentResourceRecord->setTtl($this->lastStatedTtl);
198		} else {
199	18	$this->lastStatedTtl = $this->currentResourceRecord->getTtl();
200		}
201
202	22	if (null === $this->currentResourceRecord->getClass()) {
203		$this->currentResourceRecord->setClass($this->lastStatedClass);
204		} else {
205	22	$this->lastStatedClass = $this->currentResourceRecord->getClass();
206		}
207	22	}
208
209		/**
210		* Processes control entries at the top of a BIND record, i.e. $ORIGIN, $TTL, $INCLUDE, etc.
211		*
212		* @param ResourceRecordIterator $iterator
213		*/
214	10	private function processControlEntry(ResourceRecordIterator $iterator): void
215		{
216	10	if ('$TTL' === strtoupper($iterator->current())) {
217	9	$iterator->next();
218	9	$this->zone->setDefaultTtl((int) $iterator->current());
219		}
220
221	10	if ('$ORIGIN' === strtoupper($iterator->current())) {
222	10	$iterator->next();
223	10	$this->zone->setName((string) $iterator->current());
224		}
225	10	}
226
227		/**
228		* Determine if iterant is a resource name.
229		*
230		* @param ResourceRecordIterator $iterator
231		*
232		* @return bool
233		*/
234	25	private function isResourceName(ResourceRecordIterator $iterator): bool
235		{
236		// Look ahead and determine if the next token is a TTL, Class, or valid Type.
237	25	$iterator->next();
238
239	25	if (!$iterator->valid()) {
240		return false;
241		}
242
243	25	$isName = $this->isTTL($iterator) \|\|
244	25	$this->isClass($iterator, 'DOMAIN') \|\|
245	25	$this->isType($iterator);
246	25	$iterator->prev();
247
248	25	if (!$isName) {
249	24	return false;
250		}
251
252	24	if (0 === $iterator->key()) {
253	24	return true;
254		}
255
256	3	return false;
257		}
258
259		/**
260		* Determine if iterant is a class.
261		*
262		* @param ResourceRecordIterator $iterator
263		* @param string\|null $origin the previously assumed resource record parameter, either 'TTL' or NULL
264		*
265		* @return bool
266		*/
267	25	private function isClass(ResourceRecordIterator $iterator, $origin = null): bool
268		{
269	25	if (!Classes::isValid($iterator->current())) {
270	25	return false;
271		}
272
273	24	$iterator->next();
274	24	if ('TTL' === $origin) {
275	11	$isClass = $this->isType($iterator);
276		} else {
277	23	$isClass = $this->isTTL($iterator, 'CLASS') \|\| $this->isType($iterator);
278		}
279	24	$iterator->prev();
280
281	24	return $isClass;
282		}
283
284		/**
285		* Determine if current iterant is an Rdata type string.
286		*
287		* @param ResourceRecordIterator $iterator
288		*
289		* @return bool
290		*/
291	25	private function isType(ResourceRecordIterator $iterator): bool
292		{
293	25	return Types::isValid(strtoupper($iterator->current())) \|\| array_key_exists($iterator->current(), $this->rdataHandlers);
294		}
295
296		/**
297		* Determine if iterant is a control entry such as $TTL, $ORIGIN, $INCLUDE, etcetera.
298		*
299		* @param ResourceRecordIterator $iterator
300		*
301		* @return bool
302		*/
303	25	private function isControlEntry(ResourceRecordIterator $iterator): bool
304		{
305	25	return 1 === preg_match('/^\$[A-Z0-9]+/i', $iterator->current());
306		}
307
308		/**
309		* Determine if the iterant is a TTL (i.e. it is an integer).
310		*
311		* @param ResourceRecordIterator $iterator
312		* @param string $origin the previously assumed resource record parameter, either 'CLASS' or NULL
313		*
314		* @return bool
315		*/
316	25	private function isTTL(ResourceRecordIterator $iterator, $origin = null): bool
317		{
318	25	if (1 !== preg_match('/^\d+$/', $iterator->current())) {
319	25	return false;
320		}
321
322	23	$iterator->next();
323	23	if ('CLASS' === $origin) {
324	5	$isTtl = $this->isType($iterator);
325		} else {
326	23	$isTtl = $this->isClass($iterator, 'TTL') \|\| $this->isType($iterator);
327		}
328	23	$iterator->prev();
329
330	23	return $isTtl;
331		}
332
333		/**
334		* Split a DNS zone line into a resource record and a comment.
335		*
336		* @param string $rr
337		*
338		* @return array [$entry, $comment]
339		*/
340	25	private function extractComment(string $rr): array
341		{
342	25	$string = new StringIterator($rr);
343	25	$entry = '';
344	25	$comment = null;
345
346	25	while ($string->valid()) {
347		//If a semicolon is within double quotes, it will not be treated as the beginning of a comment.
348	25	$entry .= $this->extractDoubleQuotedText($string);
349
350	25	if ($string->is(Tokens::SEMICOLON)) {
351	4	$string->next();
352	4	$comment = $string->getRemainingAsString();
353
354	4	break;
355		}
356
357	25	$entry .= $string->current();
358	25	$string->next();
359		}
360
361	25	return [$entry, $comment];
362		}
363
364		/**
365		* Extract text within double quotation context.
366		*
367		* @param StringIterator $string
368		*
369		* @return string
370		*/
371	25	private function extractDoubleQuotedText(StringIterator $string): string
372		{
373	25	if ($string->isNot(Tokens::DOUBLE_QUOTES)) {
374	25	return '';
375		}
376
377	12	$entry = $string->current();
378	12	$string->next();
379
380	12	while ($string->isNot(Tokens::DOUBLE_QUOTES)) {
381		//If the current char is a backslash, treat the next char as being escaped.
382	12	if ($string->is(Tokens::BACKSLASH)) {
383	6	$entry .= $string->current();
384	6	$string->next();
385		}
386	12	$entry .= $string->current();
387	12	$string->next();
388		}
389
390	12	return $entry;
391		}
392
393		/**
394		* @param ResourceRecordIterator $iterator
395		*
396		* @return RdataInterface
397		*
398		* @throws ParseException
399		*/
400	24	private function extractRdata(ResourceRecordIterator $iterator): RdataInterface
401		{
402	24	$type = strtoupper($iterator->current());
403	24	$iterator->next();
404
405	24	if (array_key_exists($type, $this->rdataHandlers)) {
406	4	return call_user_func($this->rdataHandlers[$type], $iterator);
407		}
408
409		try {
410	22	return Factory::textToRdataType($type, $iterator->getRemainingAsString());
411	2	} catch (\Exception $exception) {
412	2	throw new ParseException(sprintf('Could not extract Rdata from resource record "%s".', (string) $iterator), null, $exception);
413		}
414		}
415
416		/**
417		* This handler addresses the special case where an integer resource name could be confused for a TTL, for instance:
418		* 50 IN PTR mx1.acme.com.
419		*
420		* In the above, if the integer is below 256 then it is assumed to represent an octet of an IPv4 address.
421		*
422		* @param ResourceRecordIterator $iterator
423		*
424		* @return PTR
425		*/
426	3	private function ptrHandler(ResourceRecordIterator $iterator): PTR
427		{
428	3	if (null === $this->currentResourceRecord->getName() && null !== $this->currentResourceRecord->getTtl()) {
		0 ignored issues – show introduced 2019-11-28 09:22 UTC by Report Bug Copy Issue Report The condition `null === $this->currentResourceRecord->getName()` is always `false`. Loading history...
429	1	if ($this->currentResourceRecord->getTtl() < 256) {
430	1	$this->currentResourceRecord->setName((string) $this->currentResourceRecord->getTtl());
431	1	$this->currentResourceRecord->setTtl(null);
432		}
433		}
434
435		/** @var PTR $ptr */
436	3	$ptr = PTR::fromText($iterator->getRemainingAsString());
437
438	3	return $ptr;
439		}
440		}
441

Badcow / DNS

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Parser::extractComment() A

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