PermissionsEmbed::setRawPermissionValues() - Code Metrics - Inspection of "Test the admin pages, if read/list/delete is worki..." - Part-DB/Part-DB-symfony - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 7e8752...dd1dc5 )

by Jan

created 2019-10-26 20:27 UTC

PermissionsEmbed::setRawPermissionValues() A

↳ Parent: PermissionsEmbed

Complexity

Conditions	3
Paths	4

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
eloc	5
nc	4
nop	2
dl	0
loc	10
rs	10
c	0
b	0
f	0

<?php
/**
 *
 * part-db version 0.1
 * Copyright (C) 2005 Christoph Lechner
 * http://www.cl-projects.de/
 *
 * part-db version 0.2+
 * Copyright (C) 2009 K. Jacobs and others (see authors.php)
 * http://code.google.com/p/part-db/
 *
 * Part-DB Version 0.4+
 * Copyright (C) 2016 - 2019 Jan Böhmer
 * https://github.com/jbtronics
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 *
 */

namespace App\Entity\UserSystem;

use Doctrine\ORM\Mapping as ORM;
use Webmozart\Assert\Assert;

/**
 * This entity represents the permission fields a user or group can have.
 *
 * @ORM\Embeddable()
 */
class PermissionsEmbed
{
    /**
     * Permission values.
     */
    public const INHERIT = 0b00;
    public const ALLOW = 0b01;
    public const DISALLOW = 0b10;

    /**
     * Permission strings.
     */
    public const STORELOCATIONS = 'storelocations';
    public const FOOTRPINTS = 'footprints';
    public const CATEGORIES = 'categories';
    public const SUPPLIERS = 'suppliers';
    public const MANUFACTURERS = 'manufacturers';
    public const DEVICES = 'devices';
    public const ATTACHMENT_TYPES = 'attachment_types';
    public const MEASUREMENT_UNITS = 'measurement_units';
    public const CURRENCIES = 'currencies';
    public const TOOLS = 'tools';
    public const PARTS = 'parts';
    public const PARTS_NAME = 'parts_name';
    public const PARTS_DESCRIPTION = 'parts_description';
    public const PARTS_MINAMOUNT = 'parts_minamount';
    public const PARTS_FOOTPRINT = 'parts_footprint';
    public const PARTS_MPN = 'parts_mpn';
    public const PARTS_STATUS = 'parts_status';
    public const PARTS_TAGS = 'parts_tags';
    public const PARTS_UNIT = 'parts_unit';
    public const PARTS_MASS = 'parts_mass';
    public const PARTS_LOTS = 'parts_lots';
    public const PARTS_COMMENT = 'parts_comment';
    public const PARTS_MANUFACTURER = 'parts_manufacturer';
    public const PARTS_ORDERDETAILS = 'parts_orderdetails';
    public const PARTS_PRICES = 'parts_prices';
    public const PARTS_ATTACHMENTS = 'parts_attachments';
    public const PARTS_ORDER = 'parts_order';
    public const GROUPS = 'groups';
    public const USERS = 'users';
    public const DATABASE = 'database';
    public const CONFIG = 'config';
    public const SYSTEM = 'system';
    public const DEVICE_PARTS = 'devices_parts';
    public const SELF = 'self';
    public const LABELS = 'labels';

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $system = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $groups = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $users = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $self = 0;

    /**
     * @var int
     * @ORM\Column(type="integer", name="system_config")
     */
    protected $config = 0;

    /**
     * @var int
     * @ORM\Column(type="integer", name="system_database")
     */
    protected $database = 0;

    /**
     * @var int
     * @ORM\Column(type="bigint")
     */
    protected $parts = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_name = 0;

    /** @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_category = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_description = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_minamount = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_footprint = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_lots = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_tags = 0;

    /** @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_unit = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_mass = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_manufacturer = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_status = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_mpn = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_comment = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_order = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_orderdetails = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint")
     */
    protected $parts_prices = 0;

    /**
     * @var int
     * @ORM\Column(type="smallint", name="parts_attachements")
     */
    protected $parts_attachments = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $devices = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $devices_parts = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $storelocations = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $footprints = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $categories = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $suppliers = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $manufacturers = 0;

    /**
     * @var int
     * @ORM\Column(type="integer", name="attachement_types")
     */
    protected $attachment_types = 0;

    /** @var int
     * @ORM\Column(type="integer")
     */
    protected $currencies = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $measurement_units = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $tools = 0;

    /**
     * @var int
     * @ORM\Column(type="integer")
     */
    protected $labels = 0;

    /**
     * Checks whether a permission with the given name is valid for this object.
     * @param string $permission_name The name of the permission which should be checked for.
     * @return bool True if the permission is existing on this object.
     */
    public function isValidPermissionName(string $permission_name) : bool
    {
        return isset($this->$permission_name);
    }

    /**
     * Returns the bit pair value of the given permission.
     *
     * @param string $permission_name The name of the permission, for which the bit pair should be returned.
     * @param int    $bit_n           The (lower) bit number of the bit pair, which should be read.
     *
     * @return int The value of the bit pair. Compare to the INHERIT, ALLOW, and DISALLOW consts in this class.
     */
    public function getBitValue(string $permission_name, int $bit_n): int
    {
        if (!$this->isValidPermissionName($permission_name)) {
            throw new \InvalidArgumentException(sprintf('No permission with the name "%s" is existing!', $permission_name));
        }

        $perm_int = $this->$permission_name;

        return static::readBitPair($perm_int, $bit_n);
    }

    /**
     * Returns the value of the operation for the given permission.
     *
     * @param string $permission_name The name of the permission, for which the operation should be returned.
     * @param int    $bit_n           The (lower) bit number of the bit pair for the operation.
     *
     * @return bool|null The value of the operation. True, if the given operation is allowed, false if disallowed
     *                   and null if it should inherit from parent.
     */
    public function getPermissionValue(string $permission_name, int $bit_n): ?bool
    {
        $value = $this->getBitValue($permission_name, $bit_n);
        if (self::ALLOW === $value) {
            return true;
        }

        if (self::DISALLOW === $value) {
            return false;
        }

        return null;
    }

    /**
     * Sets the value of the given permission and operation.
     * @param string $permission_name The name of the permission, for which the bit pair should be written.
     * @param int    $bit_n           The (lower) bit number of the bit pair, which should be written.
     * @param bool|null $new_value    The new value for the operation:
     *                                True, if the given operation is allowed, false if disallowed
     *                                and null if it should inherit from parent.
     * @return PermissionsEmbed       The instance itself.
     */
    public function setPermissionValue(string $permission_name, int $bit_n, ?bool $new_value) : self
    {
        //Determine which bit value the given value is.
        if ($new_value === true) {
            $bit_value = static::ALLOW;
        } elseif ($new_value === false) {
            $bit_value = static::DISALLOW;
        } else {
            $bit_value = static::INHERIT;
        }

        $this->setBitValue($permission_name, $bit_n, $bit_value);

        return $this;
    }

    /**
     * Sets the bit value of the given permission and operation.
     * @param string $permission_name The name of the permission, for which the bit pair should be written.
     * @param int    $bit_n           The (lower) bit number of the bit pair, which should be written.
     * @param int $new_value          The new (bit) value of the bit pair, which should be written.
     * @return PermissionsEmbed       The instance itself.
     */
    public function setBitValue(string $permission_name, int $bit_n, int $new_value) : self
    {
        if (!$this->isValidPermissionName($permission_name)) {
            throw new \InvalidArgumentException('No permission with the given name is existing!');
        }

        $this->$permission_name = static::writeBitPair($this->$permission_name, $bit_n, $new_value);

        return $this;
    }

    /**
     * Returns the given permission as raw int (all bit at once)
     * @param string $permission_name The name of the permission, which should be retrieved.
     * If this is not existing an exception is thrown.
     * @return int The raw permission value.
     */
    public function getRawPermissionValue(string $permission_name) : int
    {
        if (!$this->isValidPermissionName($permission_name)) {
            throw new \InvalidArgumentException('No permission with the given name is existing!');
        }

        return $this->$permission_name;
    }

    /**
     * Sets the given permission to the value.
     * @param string $permission_name The name of the permission to that should be set.
     * @param int $value The new value of the permsission
     * @return $this
     */
    public function setRawPermissionValue(string $permission_name, int $value) : self
    {
        if (!$this->isValidPermissionName($permission_name)) {
            throw new \InvalidArgumentException(
                sprintf('No permission with the given name %s is existing!', $permission_name)
            );
        }

        $this->$permission_name = $value;
        return $this;
    }

    /**
     * Sets multiple permissions at once.
     * @param array $values An array in the form ['perm_name' => $value], containing the new data
     * @param array|null $values2 If this array is not null, the first array will treated of list of perm names,
     * and this array as an array of new values.
     * @return $this
     */
    public function setRawPermissionValues(array $values, array $values2 = null) : self
    {
        if (!empty($values2)) {
            $values = array_combine($values, $values2);
        }

        foreach ($values as $key => $value) {
            $this->setRawPermissionValue($key, $value);
        }
        return $this;
    }

    /**
     * Reads a bit pair from $data.
     *
     * @param $data int The data from where the bits should be extracted from.
     * @param $n int The number of the lower bit (of the pair) that should be read. Starting from zero.
     *
     * @return int The value of the bit pair.
     */
    final protected static function readBitPair(int $data, int $n): int
    {
        Assert::lessThanEq($n, 31, '$n must be smaller than 32, because only a 32bit int is used! Got %s.');
        if (0 !== $n % 2) {
            throw new \InvalidArgumentException('$n must be dividable by 2, because we address bit pairs here!');
        }

        $mask = 0b11 << $n; //Create a mask for the data
        return ($data & $mask) >> $n; //Apply mask and shift back
    }

    /**
     * Writes a bit pair in the given $data and returns it.
     *
     * @param $data int The data which should be modified.
     * @param $n int The number of the lower bit of the pair which should be written.
     * @param $new int The new value of the pair.
     *
     * @return int The new data with the modified pair.
     */
    final protected static function writeBitPair(int $data, int $n, int $new): int
    {
        Assert::lessThanEq($n, 31, '$n must be smaller than 32, because only a 32bit int is used! Got %s.');
        Assert::lessThanEq($new, 3, '$new must be smaller than 3, because a bit pair is written! Got %s.');
        Assert::greaterThanEq($new, 0, '$new must not be negative, because a bit pair is written! Got %s.');

        if (0 !== $n % 2) {
            throw new \InvalidArgumentException('$n must be dividable by 2, because we address bit pairs here!');
        }

        $mask = 0b11 << $n; //Mask all bits that should be writen
        $newval = $new << $n; //The new value.
        $data = ($data & ~$mask) | ($newval & $mask);

        return $data;
    }
}


1			<?php
2			/**
3			*
4			* part-db version 0.1
5			* Copyright (C) 2005 Christoph Lechner
6			* http://www.cl-projects.de/
7			*
8			* part-db version 0.2+
9			* Copyright (C) 2009 K. Jacobs and others (see authors.php)
10			* http://code.google.com/p/part-db/
11			*
12			* Part-DB Version 0.4+
13			* Copyright (C) 2016 - 2019 Jan Böhmer
14			* https://github.com/jbtronics
15			*
16			* This program is free software; you can redistribute it and/or
17			* modify it under the terms of the GNU General Public License
18			* as published by the Free Software Foundation; either version 2
19			* of the License, or (at your option) any later version.
20			*
21			* This program is distributed in the hope that it will be useful,
22			* but WITHOUT ANY WARRANTY; without even the implied warranty of
23			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24			* GNU General Public License for more details.
25			*
26			* You should have received a copy of the GNU General Public License
27			* along with this program; if not, write to the Free Software
28			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
29			*
30			*/
31
32			namespace App\Entity\UserSystem;
33
34			use Doctrine\ORM\Mapping as ORM;
35			use Webmozart\Assert\Assert;
36
37			/**
38			* This entity represents the permission fields a user or group can have.
39			*
40			* @ORM\Embeddable()
41			*/
42			class PermissionsEmbed
43			{
44			/**
45			* Permission values.
46			*/
47			public const INHERIT = 0b00;
48			public const ALLOW = 0b01;
49			public const DISALLOW = 0b10;
50
51			/**
52			* Permission strings.
53			*/
54			public const STORELOCATIONS = 'storelocations';
55			public const FOOTRPINTS = 'footprints';
56			public const CATEGORIES = 'categories';
57			public const SUPPLIERS = 'suppliers';
58			public const MANUFACTURERS = 'manufacturers';
59			public const DEVICES = 'devices';
60			public const ATTACHMENT_TYPES = 'attachment_types';
61			public const MEASUREMENT_UNITS = 'measurement_units';
62			public const CURRENCIES = 'currencies';
63			public const TOOLS = 'tools';
64			public const PARTS = 'parts';
65			public const PARTS_NAME = 'parts_name';
66			public const PARTS_DESCRIPTION = 'parts_description';
67			public const PARTS_MINAMOUNT = 'parts_minamount';
68			public const PARTS_FOOTPRINT = 'parts_footprint';
69			public const PARTS_MPN = 'parts_mpn';
70			public const PARTS_STATUS = 'parts_status';
71			public const PARTS_TAGS = 'parts_tags';
72			public const PARTS_UNIT = 'parts_unit';
73			public const PARTS_MASS = 'parts_mass';
74			public const PARTS_LOTS = 'parts_lots';
75			public const PARTS_COMMENT = 'parts_comment';
76			public const PARTS_MANUFACTURER = 'parts_manufacturer';
77			public const PARTS_ORDERDETAILS = 'parts_orderdetails';
78			public const PARTS_PRICES = 'parts_prices';
79			public const PARTS_ATTACHMENTS = 'parts_attachments';
80			public const PARTS_ORDER = 'parts_order';
81			public const GROUPS = 'groups';
82			public const USERS = 'users';
83			public const DATABASE = 'database';
84			public const CONFIG = 'config';
85			public const SYSTEM = 'system';
86			public const DEVICE_PARTS = 'devices_parts';
87			public const SELF = 'self';
88			public const LABELS = 'labels';
89
90			/**
91			* @var int
92			* @ORM\Column(type="integer")
93			*/
94			protected $system = 0;
95
96			/**
97			* @var int
98			* @ORM\Column(type="integer")
99			*/
100			protected $groups = 0;
101
102			/**
103			* @var int
104			* @ORM\Column(type="integer")
105			*/
106			protected $users = 0;
107
108			/**
109			* @var int
110			* @ORM\Column(type="integer")
111			*/
112			protected $self = 0;
113
114			/**
115			* @var int
116			* @ORM\Column(type="integer", name="system_config")
117			*/
118			protected $config = 0;
119
120			/**
121			* @var int
122			* @ORM\Column(type="integer", name="system_database")
123			*/
124			protected $database = 0;
125
126			/**
127			* @var int
128			* @ORM\Column(type="bigint")
129			*/
130			protected $parts = 0;
131
132			/**
133			* @var int
134			* @ORM\Column(type="smallint")
135			*/
136			protected $parts_name = 0;
137
138			/** @var int
139			* @ORM\Column(type="smallint")
140			*/
141			protected $parts_category = 0;
142
143			/**
144			* @var int
145			* @ORM\Column(type="smallint")
146			*/
147			protected $parts_description = 0;
148
149			/**
150			* @var int
151			* @ORM\Column(type="smallint")
152			*/
153			protected $parts_minamount = 0;
154
155			/**
156			* @var int
157			* @ORM\Column(type="smallint")
158			*/
159			protected $parts_footprint = 0;
160
161			/**
162			* @var int
163			* @ORM\Column(type="smallint")
164			*/
165			protected $parts_lots = 0;
166
167			/**
168			* @var int
169			* @ORM\Column(type="smallint")
170			*/
171			protected $parts_tags = 0;
172
173			/** @var int
174			* @ORM\Column(type="smallint")
175			*/
176			protected $parts_unit = 0;
177
178			/**
179			* @var int
180			* @ORM\Column(type="smallint")
181			*/
182			protected $parts_mass = 0;
183
184			/**
185			* @var int
186			* @ORM\Column(type="smallint")
187			*/
188			protected $parts_manufacturer = 0;
189
190			/**
191			* @var int
192			* @ORM\Column(type="smallint")
193			*/
194			protected $parts_status = 0;
195
196			/**
197			* @var int
198			* @ORM\Column(type="smallint")
199			*/
200			protected $parts_mpn = 0;
201
202			/**
203			* @var int
204			* @ORM\Column(type="smallint")
205			*/
206			protected $parts_comment = 0;
207
208			/**
209			* @var int
210			* @ORM\Column(type="smallint")
211			*/
212			protected $parts_order = 0;
213
214			/**
215			* @var int
216			* @ORM\Column(type="smallint")
217			*/
218			protected $parts_orderdetails = 0;
219
220			/**
221			* @var int
222			* @ORM\Column(type="smallint")
223			*/
224			protected $parts_prices = 0;
225
226			/**
227			* @var int
228			* @ORM\Column(type="smallint", name="parts_attachements")
229			*/
230			protected $parts_attachments = 0;
231
232			/**
233			* @var int
234			* @ORM\Column(type="integer")
235			*/
236			protected $devices = 0;
237
238			/**
239			* @var int
240			* @ORM\Column(type="integer")
241			*/
242			protected $devices_parts = 0;
243
244			/**
245			* @var int
246			* @ORM\Column(type="integer")
247			*/
248			protected $storelocations = 0;
249
250			/**
251			* @var int
252			* @ORM\Column(type="integer")
253			*/
254			protected $footprints = 0;
255
256			/**
257			* @var int
258			* @ORM\Column(type="integer")
259			*/
260			protected $categories = 0;
261
262			/**
263			* @var int
264			* @ORM\Column(type="integer")
265			*/
266			protected $suppliers = 0;
267
268			/**
269			* @var int
270			* @ORM\Column(type="integer")
271			*/
272			protected $manufacturers = 0;
273
274			/**
275			* @var int
276			* @ORM\Column(type="integer", name="attachement_types")
277			*/
278			protected $attachment_types = 0;
279
280			/** @var int
281			* @ORM\Column(type="integer")
282			*/
283			protected $currencies = 0;
284
285			/**
286			* @var int
287			* @ORM\Column(type="integer")
288			*/
289			protected $measurement_units = 0;
290
291			/**
292			* @var int
293			* @ORM\Column(type="integer")
294			*/
295			protected $tools = 0;
296
297			/**
298			* @var int
299			* @ORM\Column(type="integer")
300			*/
301			protected $labels = 0;
302
303			/**
304			* Checks whether a permission with the given name is valid for this object.
305			* @param string $permission_name The name of the permission which should be checked for.
306			* @return bool True if the permission is existing on this object.
307			*/
308			public function isValidPermissionName(string $permission_name) : bool
309			{
310			return isset($this->$permission_name);
311			}
312
313			/**
314			* Returns the bit pair value of the given permission.
315			*
316			* @param string $permission_name The name of the permission, for which the bit pair should be returned.
317			* @param int $bit_n The (lower) bit number of the bit pair, which should be read.
318			*
319			* @return int The value of the bit pair. Compare to the INHERIT, ALLOW, and DISALLOW consts in this class.
320			*/
321			public function getBitValue(string $permission_name, int $bit_n): int
322			{
323			if (!$this->isValidPermissionName($permission_name)) {
324			throw new \InvalidArgumentException(sprintf('No permission with the name "%s" is existing!', $permission_name));
325			}
326
327			$perm_int = $this->$permission_name;
328
329			return static::readBitPair($perm_int, $bit_n);
330			}
331
332			/**
333			* Returns the value of the operation for the given permission.
334			*
335			* @param string $permission_name The name of the permission, for which the operation should be returned.
336			* @param int $bit_n The (lower) bit number of the bit pair for the operation.
337			*
338			* @return bool\|null The value of the operation. True, if the given operation is allowed, false if disallowed
339			* and null if it should inherit from parent.
340			*/
341			public function getPermissionValue(string $permission_name, int $bit_n): ?bool
342			{
343			$value = $this->getBitValue($permission_name, $bit_n);
344			if (self::ALLOW === $value) {
345			return true;
346			}
347
348			if (self::DISALLOW === $value) {
349			return false;
350			}
351
352			return null;
353			}
354
355			/**
356			* Sets the value of the given permission and operation.
357			* @param string $permission_name The name of the permission, for which the bit pair should be written.
358			* @param int $bit_n The (lower) bit number of the bit pair, which should be written.
359			* @param bool\|null $new_value The new value for the operation:
360			* True, if the given operation is allowed, false if disallowed
361			* and null if it should inherit from parent.
362			* @return PermissionsEmbed The instance itself.
363			*/
364			public function setPermissionValue(string $permission_name, int $bit_n, ?bool $new_value) : self
365			{
366			//Determine which bit value the given value is.
367			if ($new_value === true) {
368			$bit_value = static::ALLOW;
369			} elseif ($new_value === false) {
370			$bit_value = static::DISALLOW;
371			} else {
372			$bit_value = static::INHERIT;
373			}
374
375			$this->setBitValue($permission_name, $bit_n, $bit_value);
376
377			return $this;
378			}
379
380			/**
381			* Sets the bit value of the given permission and operation.
382			* @param string $permission_name The name of the permission, for which the bit pair should be written.
383			* @param int $bit_n The (lower) bit number of the bit pair, which should be written.
384			* @param int $new_value The new (bit) value of the bit pair, which should be written.
385			* @return PermissionsEmbed The instance itself.
386			*/
387			public function setBitValue(string $permission_name, int $bit_n, int $new_value) : self
388			{
389			if (!$this->isValidPermissionName($permission_name)) {
390			throw new \InvalidArgumentException('No permission with the given name is existing!');
391			}
392
393			$this->$permission_name = static::writeBitPair($this->$permission_name, $bit_n, $new_value);
394
395			return $this;
396			}
397
398			/**
399			* Returns the given permission as raw int (all bit at once)
400			* @param string $permission_name The name of the permission, which should be retrieved.
401			* If this is not existing an exception is thrown.
402			* @return int The raw permission value.
403			*/
404			public function getRawPermissionValue(string $permission_name) : int
405			{
406			if (!$this->isValidPermissionName($permission_name)) {
407			throw new \InvalidArgumentException('No permission with the given name is existing!');
408			}
409
410			return $this->$permission_name;
411			}
412
413			/**
414			* Sets the given permission to the value.
415			* @param string $permission_name The name of the permission to that should be set.
416			* @param int $value The new value of the permsission
417			* @return $this
418			*/
419			public function setRawPermissionValue(string $permission_name, int $value) : self
420			{
421			if (!$this->isValidPermissionName($permission_name)) {
422			throw new \InvalidArgumentException(
423			sprintf('No permission with the given name %s is existing!', $permission_name)
424			);
425			}
426
427			$this->$permission_name = $value;
428			return $this;
429			}
430
431			/**
432			* Sets multiple permissions at once.
433			* @param array $values An array in the form ['perm_name' => $value], containing the new data
434			* @param array\|null $values2 If this array is not null, the first array will treated of list of perm names,
435			* and this array as an array of new values.
436			* @return $this
437			*/
438			public function setRawPermissionValues(array $values, array $values2 = null) : self
439			{
440			if (!empty($values2)) {
441			$values = array_combine($values, $values2);
442			}
443
444			foreach ($values as $key => $value) {
445			$this->setRawPermissionValue($key, $value);
446			}
447			return $this;
448			}
449
450			/**
451			* Reads a bit pair from $data.
452			*
453			* @param $data int The data from where the bits should be extracted from.
454			* @param $n int The number of the lower bit (of the pair) that should be read. Starting from zero.
455			*
456			* @return int The value of the bit pair.
457			*/
458			final protected static function readBitPair(int $data, int $n): int
459			{
460			Assert::lessThanEq($n, 31, '$n must be smaller than 32, because only a 32bit int is used! Got %s.');
461			if (0 !== $n % 2) {
462			throw new \InvalidArgumentException('$n must be dividable by 2, because we address bit pairs here!');
463			}
464
465			$mask = 0b11 << $n; //Create a mask for the data
466			return ($data & $mask) >> $n; //Apply mask and shift back
467			}
468
469			/**
470			* Writes a bit pair in the given $data and returns it.
471			*
472			* @param $data int The data which should be modified.
473			* @param $n int The number of the lower bit of the pair which should be written.
474			* @param $new int The new value of the pair.
475			*
476			* @return int The new data with the modified pair.
477			*/
478			final protected static function writeBitPair(int $data, int $n, int $new): int
479			{
480			Assert::lessThanEq($n, 31, '$n must be smaller than 32, because only a 32bit int is used! Got %s.');
481			Assert::lessThanEq($new, 3, '$new must be smaller than 3, because a bit pair is written! Got %s.');
482			Assert::greaterThanEq($new, 0, '$new must not be negative, because a bit pair is written! Got %s.');
483
484			if (0 !== $n % 2) {
485			throw new \InvalidArgumentException('$n must be dividable by 2, because we address bit pairs here!');
486			}
487
488			$mask = 0b11 << $n; //Mask all bits that should be writen
489			$newval = $new << $n; //The new value.
490			$data = ($data & ~$mask) \| ($newval & $mask);
491
492			return $data;
493			}
494			}
495

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PermissionsEmbed::setRawPermissionValues() A

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