NAPTR::extractText() - Code Metrics - Inspection of "Update CHANGELOG." - Badcow/DNS - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — Version3 (97e220)

by Sam

created 2019-11-10 22:52 UTC

NAPTR::extractText() A

↳ Parent: NAPTR

Complexity

Conditions	3
Paths	3

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	3.009

Importance

Changes

Metric	Value
dl	0
loc	18
ccs	9
cts	10
cp	0.9
rs	9.6666
c	0
b	0
f	0
cc	3
nc	3
nop	2
crap	3.009

<?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\Rdata;

use Badcow\DNS\Parser\Tokens;
use Badcow\DNS\Validator;

/**
 * {@link https://tools.ietf.org/html/rfc3403}.
 */
class NAPTR implements RdataInterface
{
    use RdataTrait;

    const TYPE = 'NAPTR';
    const TYPE_CODE = 35;

    /**
     * A 16-bit unsigned integer specifying the order in which the NAPTR
     * records MUST be processed in order to accurately represent the
     * ordered list of Rules.  The ordering is from lowest to highest.
     * If two records have the same order value then they are considered
     * to be the same rule and should be selected based on the
     * combination of the Preference values and Services offered.
     *
     * @var int|null
     */
    private $order;

    /**
     * It is a 16-bit unsigned integer that specifies the order in which
     * NAPTR records with equal Order values SHOULD be processed, low
     * numbers being processed before high numbers.
     *
     * @var int
     */
    private $preference;

    /**
     * A <character-string> containing flags to control aspects of the
     * rewriting and interpretation of the fields in the record.  Flags
     * are single characters from the set A-Z and 0-9.  The case of the
     * alphabetic characters is not significant.  The field can be empty.
     *
     * @var string|null
     */
    private $flags;

    /**
     * A <character-string> that specifies the Service Parameters
     * applicable to this this delegation path.  It is up to the
     * Application Specification to specify the values found in this
     * field.
     *
     * @var string|null
     */
    private $services;

    /**
     * A <character-string> containing a substitution expression that is
     * applied to the original string held by the client in order to
     * construct the next domain name to lookup.
     *
     * @var string|null
     */
    private $regexp;

    /**
     * A <domain-name> which is the next domain-name to query for
     * depending on the potential values found in the flags field.  This
     * field is used when the regular expression is a simple replacement
     * operation.  Any value in this field MUST be a fully qualified
     * domain-name.
     *
     * @var string
     */
    private $replacement;

    /**
     * @return int
     */
    public function getOrder(): ?int
    {
        return $this->order;
    }

    /**
     * @param int $order
     *
     * @throws \InvalidArgumentException
     */
    public function setOrder(int $order): void
    {
        if ($order < 0 || $order > 65535) {
            throw new \InvalidArgumentException(sprintf('$order must be between 0 and 65535. "%d" given.', $order));
        }

        $this->order = $order;
    }

    /**
     * @return int
     */
    public function getPreference(): ?int
    {
        return $this->preference;
    }

    /**
     * @param int $preference
     *
     * @throws \InvalidArgumentException
     */
    public function setPreference(int $preference): void
    {
        if ($preference < 0 || $preference > 65535) {
            throw new \InvalidArgumentException(sprintf('$preference must be between 0 and 65535. "%d" given.', $preference));
        }

        $this->preference = $preference;
    }

    /**
     * @return string
     */
    public function getFlags(): ?string
    {
        return $this->flags;
    }

    /**
     * @param string $flags
     */
    public function setFlags(?string $flags): void
    {
        $this->flags = $flags;
    }

    /**
     * @return string
     */
    public function getServices(): ?string
    {
        return $this->services;
    }

    /**
     * @param string $services
     */
    public function setServices(?string $services): void
    {
        $this->services = $services;
    }

    /**
     * @return string
     */
    public function getRegexp(): ?string
    {
        return $this->regexp;
    }

    /**
     * @param string $regexp
     */
    public function setRegexp(?string $regexp): void
    {
        $this->regexp = $regexp;
    }

    /**
     * @return string
     */
    public function getReplacement(): ?string
    {
        return $this->replacement;
    }

    /**
     * @param string $replacement
     */
    public function setReplacement(string $replacement): void
    {
        if (!Validator::fullyQualifiedDomainName($replacement)) {
            throw new \InvalidArgumentException(sprintf('Replacement must be a fully qualified domain name. "%s" given.', $replacement));
        }

        $this->replacement = $replacement;
    }

    /**
     * {@inheritdoc}
     */
    public function toText(): string
    {
        return sprintf('%d %d "%s" "%s" "%s" %s',
            $this->order,
            $this->preference,
            $this->flags ?? '',
            $this->services ?? '',
            $this->regexp,
            $this->replacement
        );
    }

    /**
     * {@inheritdoc}
     */
    public function toWire(): string
    {
        $encoded = pack('nn', $this->order, $this->preference);
        $encoded .= sprintf('"%s""%s""%s"', $this->flags ?? '', $this->services ?? '', $this->regexp);
        $encoded .= RdataTrait::encodeName($this->replacement);

        return $encoded;
    }

    /**
     * {@inheritdoc}
     *
     * @return NAPTR
     */
    public static function fromText(string $text): RdataInterface
    {
        $rdata = explode(Tokens::SPACE, $text);
        $naptr = new self();
        $naptr->setOrder((int) array_shift($rdata));
        $naptr->setPreference((int) array_shift($rdata));
        $naptr->setFlags(trim((string) array_shift($rdata), Tokens::DOUBLE_QUOTES));
        $naptr->setServices(trim((string) array_shift($rdata), Tokens::DOUBLE_QUOTES));
        $naptr->setRegexp(trim((string) array_shift($rdata), Tokens::DOUBLE_QUOTES));
        $naptr->setReplacement((string) array_shift($rdata));

        return $naptr;
    }

    /**
     * {@inheritdoc}
     *
     * @return NAPTR
     */
    public static function fromWire(string $rdata): RdataInterface
    {
        $naptr = new self();
        $integers = unpack('nOrder/nPreference', $rdata);

        $naptr->setOrder($integers['Order']);
        $naptr->setPreference($integers['Preference']);
        $offset = 4;
        $naptr->setFlags(self::extractText($rdata, $offset));
        $naptr->setServices(self::extractText($rdata, $offset));
        $naptr->setRegexp(self::extractText($rdata, $offset));
        $naptr->setReplacement(self::decodeName($rdata, $offset));

        return $naptr;
    }

    /**
     * Extract text from within quotation marks and advance the offset.
     *
     * @param string $string
     * @param int    $offset
     *
     * @return string
     */
    private static function extractText(string $string, int &$offset): string
    {
        if (Tokens::DOUBLE_QUOTES !== $char = substr($string, $offset, 1)) {
            throw new \InvalidArgumentException(sprintf('The starting point of $string must be double quotes. "%s" given.', $char));
        }

        $value = '';
        ++$offset;

        while (Tokens::DOUBLE_QUOTES !== $char = substr($string, $offset, 1)) {
            $value .= $char;
            ++$offset;
        }

        ++$offset;

        return $value;
    }
}


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\Rdata;
15
16		use Badcow\DNS\Parser\Tokens;
17		use Badcow\DNS\Validator;
18
19		/**
20		* {@link https://tools.ietf.org/html/rfc3403}.
21		*/
22		class NAPTR implements RdataInterface
23		{
24		use RdataTrait;
25
26		const TYPE = 'NAPTR';
27		const TYPE_CODE = 35;
28
29		/**
30		* A 16-bit unsigned integer specifying the order in which the NAPTR
31		* records MUST be processed in order to accurately represent the
32		* ordered list of Rules. The ordering is from lowest to highest.
33		* If two records have the same order value then they are considered
34		* to be the same rule and should be selected based on the
35		* combination of the Preference values and Services offered.
36		*
37		* @var int\|null
38		*/
39		private $order;
40
41		/**
42		* It is a 16-bit unsigned integer that specifies the order in which
43		* NAPTR records with equal Order values SHOULD be processed, low
44		* numbers being processed before high numbers.
45		*
46		* @var int
47		*/
48		private $preference;
49
50		/**
51		* A <character-string> containing flags to control aspects of the
52		* rewriting and interpretation of the fields in the record. Flags
53		* are single characters from the set A-Z and 0-9. The case of the
54		* alphabetic characters is not significant. The field can be empty.
55		*
56		* @var string\|null
57		*/
58		private $flags;
59
60		/**
61		* A <character-string> that specifies the Service Parameters
62		* applicable to this this delegation path. It is up to the
63		* Application Specification to specify the values found in this
64		* field.
65		*
66		* @var string\|null
67		*/
68		private $services;
69
70		/**
71		* A <character-string> containing a substitution expression that is
72		* applied to the original string held by the client in order to
73		* construct the next domain name to lookup.
74		*
75		* @var string\|null
76		*/
77		private $regexp;
78
79		/**
80		* A <domain-name> which is the next domain-name to query for
81		* depending on the potential values found in the flags field. This
82		* field is used when the regular expression is a simple replacement
83		* operation. Any value in this field MUST be a fully qualified
84		* domain-name.
85		*
86		* @var string
87		*/
88		private $replacement;
89
90		/**
91		* @return int
92		*/
93	4	public function getOrder(): ?int
94		{
95	4	return $this->order;
96		}
97
98		/**
99		* @param int $order
100		*
101		* @throws \InvalidArgumentException
102		*/
103	8	public function setOrder(int $order): void
104		{
105	8	if ($order < 0 \|\| $order > 65535) {
106		throw new \InvalidArgumentException(sprintf('$order must be between 0 and 65535. "%d" given.', $order));
107		}
108
109	8	$this->order = $order;
110	8	}
111
112		/**
113		* @return int
114		*/
115	4	public function getPreference(): ?int
116		{
117	4	return $this->preference;
118		}
119
120		/**
121		* @param int $preference
122		*
123		* @throws \InvalidArgumentException
124		*/
125	8	public function setPreference(int $preference): void
126		{
127	8	if ($preference < 0 \|\| $preference > 65535) {
128		throw new \InvalidArgumentException(sprintf('$preference must be between 0 and 65535. "%d" given.', $preference));
129		}
130
131	8	$this->preference = $preference;
132	8	}
133
134		/**
135		* @return string
136		*/
137	4	public function getFlags(): ?string
138		{
139	4	return $this->flags;
140		}
141
142		/**
143		* @param string $flags
144		*/
145	8	public function setFlags(?string $flags): void
146		{
147	8	$this->flags = $flags;
148	8	}
149
150		/**
151		* @return string
152		*/
153	4	public function getServices(): ?string
154		{
155	4	return $this->services;
156		}
157
158		/**
159		* @param string $services
160		*/
161	8	public function setServices(?string $services): void
162		{
163	8	$this->services = $services;
164	8	}
165
166		/**
167		* @return string
168		*/
169	4	public function getRegexp(): ?string
170		{
171	4	return $this->regexp;
172		}
173
174		/**
175		* @param string $regexp
176		*/
177	8	public function setRegexp(?string $regexp): void
178		{
179	8	$this->regexp = $regexp;
180	8	}
181
182		/**
183		* @return string
184		*/
185	4	public function getReplacement(): ?string
186		{
187	4	return $this->replacement;
188		}
189
190		/**
191		* @param string $replacement
192		*/
193	8	public function setReplacement(string $replacement): void
194		{
195	8	if (!Validator::fullyQualifiedDomainName($replacement)) {
196		throw new \InvalidArgumentException(sprintf('Replacement must be a fully qualified domain name. "%s" given.', $replacement));
197		}
198
199	8	$this->replacement = $replacement;
200	8	}
201
202		/**
203		* {@inheritdoc}
204		*/
205	2	public function toText(): string
206		{
207	2	return sprintf('%d %d "%s" "%s" "%s" %s',
208	2	$this->order,
209	2	$this->preference,
210	2	$this->flags ?? '',
211	2	$this->services ?? '',
212	2	$this->regexp,
213	2	$this->replacement
214		);
215		}
216
217		/**
218		* {@inheritdoc}
219		*/
220	2	public function toWire(): string
221		{
222	2	$encoded = pack('nn', $this->order, $this->preference);
223	2	$encoded .= sprintf('"%s""%s""%s"', $this->flags ?? '', $this->services ?? '', $this->regexp);
224	2	$encoded .= RdataTrait::encodeName($this->replacement);
225
226	2	return $encoded;
227		}
228
229		/**
230		* {@inheritdoc}
231		*
232		* @return NAPTR
233		*/
234	2	public static function fromText(string $text): RdataInterface
235		{
236	2	$rdata = explode(Tokens::SPACE, $text);
237	2	$naptr = new self();
238	2	$naptr->setOrder((int) array_shift($rdata));
239	2	$naptr->setPreference((int) array_shift($rdata));
240	2	$naptr->setFlags(trim((string) array_shift($rdata), Tokens::DOUBLE_QUOTES));
241	2	$naptr->setServices(trim((string) array_shift($rdata), Tokens::DOUBLE_QUOTES));
242	2	$naptr->setRegexp(trim((string) array_shift($rdata), Tokens::DOUBLE_QUOTES));
243	2	$naptr->setReplacement((string) array_shift($rdata));
244
245	2	return $naptr;
246		}
247
248		/**
249		* {@inheritdoc}
250		*
251		* @return NAPTR
252		*/
253	2	public static function fromWire(string $rdata): RdataInterface
254		{
255	2	$naptr = new self();
256	2	$integers = unpack('nOrder/nPreference', $rdata);
257
258	2	$naptr->setOrder($integers['Order']);
259	2	$naptr->setPreference($integers['Preference']);
260	2	$offset = 4;
261	2	$naptr->setFlags(self::extractText($rdata, $offset));
262	2	$naptr->setServices(self::extractText($rdata, $offset));
263	2	$naptr->setRegexp(self::extractText($rdata, $offset));
264	2	$naptr->setReplacement(self::decodeName($rdata, $offset));
265
266	2	return $naptr;
267		}
268
269		/**
270		* Extract text from within quotation marks and advance the offset.
271		*
272		* @param string $string
273		* @param int $offset
274		*
275		* @return string
276		*/
277	2	private static function extractText(string $string, int &$offset): string
278		{
279	2	if (Tokens::DOUBLE_QUOTES !== $char = substr($string, $offset, 1)) {
280		throw new \InvalidArgumentException(sprintf('The starting point of $string must be double quotes. "%s" given.', $char));
281		}
282
283	2	$value = '';
284	2	++$offset;
285
286	2	while (Tokens::DOUBLE_QUOTES !== $char = substr($string, $offset, 1)) {
287	2	$value .= $char;
288	2	++$offset;
289		}
290
291	2	++$offset;
292
293	2	return $value;
294		}
295		}
296

Badcow / DNS

Branch — Version3 (97e220)

NAPTR::extractText() A

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