EnumMap::count() - Code Metrics - Inspection of "Refactor EnumMap - fixes #91" - marc-mabe/php-enum - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — refactor_EnumMap ( 436164 )

by Marc

created 2017-09-28 20:56 UTC

EnumMap::count() A

↳ Parent: EnumMap

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	0
crap	1

<?php

namespace MabeEnum;

use ArrayAccess;
use Countable;
use InvalidArgumentException;
use Iterator;
use UnexpectedValueException;

/**
 * A map of enumerators (EnumMap<T>) and mixed values.
 *
 * @link http://github.com/marc-mabe/php-enum for the canonical source repository
 * @copyright Copyright (c) 2017 Marc Bennewitz
 * @license http://github.com/marc-mabe/php-enum/blob/master/LICENSE.txt New BSD License
 */
class EnumMap implements ArrayAccess, Countable, Iterator
{
    /**
     * The classname of the enumeration type
     * @var string
     */
    private $enumeration;

    /**
     * Internal map of ordinal number and value
     * @var array
     */
    private $map = [];

    /**
     * List of ordinal numbers
     * @var int[]
     */
    private $ordinals = [];

    /**
     * Current iterator position
     * @var int
     */
    private $pos = 0;

    /**
     * Constructor
     * @param string $enumeration The classname of the enumeration type
     * @throws InvalidArgumentException
     */
    public function __construct($enumeration)
    {
        if (!is_subclass_of($enumeration, Enum::class)) {
            throw new InvalidArgumentException(sprintf(
                "This EnumMap can handle subclasses of '%s' only",
                Enum::class
            ));
        }
        $this->enumeration = $enumeration;
    }

    /**
     * Get the classname of the enumeration
     * @return string
     */
    public function getEnumeration()
    {
        return $this->enumeration;
    }

    /**
     * Attach a new enumerator or overwrite an existing one
     * @param Enum|null|boolean|int|float|string $enumerator
     * @param mixed                              $data
     * @return void
     * @throws InvalidArgumentException On an invalid given enumerator
     */
    public function attach($enumerator, $data = null)
    {
        return $this->offsetSet($enumerator, $data);
    }

    /**
     * Test if the given enumerator exists
     * @param Enum|null|boolean|int|float|string $enumerator
     * @return boolean
     */
    public function contains($enumerator)
    {
        return $this->offsetExists($enumerator);
    }

    /**
     * Detach an enumerator
     * @param Enum|null|boolean|int|float|string $enumerator
     * @return void
     * @throws InvalidArgumentException On an invalid given enumerator
     */
    public function detach($enumerator)
    {
        $this->offsetUnset($enumerator);
    }

    /**
     * Test if the given enumerator exists
     * @param Enum|null|boolean|int|float|string $enumerator
     * @return boolean
     * @see contains()
     */
    public function offsetExists($enumerator)
    {
        try {
            $enumeration = $this->enumeration;
            $ord  = $enumeration::get($enumerator)->getOrdinal();
            return isset($this->map[$ord]);
        } catch (InvalidArgumentException $e) {
            // On an InvalidArgumentException the given argument can't be contained in this map
            return false;
        }
    }

    /**
     * Get mapped data for the given enumerator
     * @param Enum|null|boolean|int|float|string $enumerator
     * @return mixed
     * @throws InvalidArgumentException On an invalid given enumerator
     */
    public function offsetGet($enumerator)
    {
        $enumeration = $this->enumeration;
        $ord = $enumeration::get($enumerator)->getOrdinal();
        if (!isset($this->map[$ord])) {
            throw new UnexpectedValueException(sprintf(
                "Enumerator '%s' could not be found",
                is_object($enumerator) ? $enumerator->getValue() : $enumerator
            ));
        }

        return $this->map[$ord];
    }

    /**
     * Attach a new enumerator or overwrite an existing one
     * @param Enum|null|boolean|int|float|string $enumerator
     * @param mixed                              $data
     * @return void
     * @throws InvalidArgumentException On an invalid given enumerator
     * @see attach()
     */
    public function offsetSet($enumerator, $data = null)
    {
        $enumeration = $this->enumeration;
        $ord = $enumeration::get($enumerator)->getOrdinal();

        if (!isset($this->map[$ord])) {
            $this->ordinals[] = $ord;
        }
        $this->map[$ord] = $data;
    }

    /**
     * Detach an existing enumerator
     * @param Enum|null|boolean|int|float|string $enumerator
     * @return void
     * @throws InvalidArgumentException On an invalid given enumerator
     * @see detach()
     */
    public function offsetUnset($enumerator)
    {
        $enumeration = $this->enumeration;
        $ord = $enumeration::get($enumerator)->getOrdinal();

        if (($idx = array_search($ord, $this->ordinals, true)) !== false) {
            unset($this->map[$ord]);
            unset($this->ordinals[$idx]);
        }
    }

    /**
     * Get the current value
     * @return mixed
     */
    public function current()
    {
        if (!isset($this->ordinals[$this->pos])) {
            return null;
        }

        return $this->map[$this->ordinals[$this->pos]];
    }

    /**
     * Get the current key
     * @return Enum|null
     */
    public function key()
    {
        if (!isset($this->ordinals[$this->pos])) {
            return null;
        }

        $enumeration = $this->enumeration;
        return $enumeration::byOrdinal($this->ordinals[$this->pos]);
    }

    /**
     * Reset the iterator position to zero.
     * @return void
     */
    public function rewind()
    {
        $this->pos = 0;
    }

    /**
     * Increment the iterator position by one.
     * @return void
     */
    public function next()
    {
        ++$this->pos;
    }

    /**
     * Test if the iterator is in a valid state
     * @return boolean
     */
    public function valid()
    {
        return isset($this->ordinals[$this->pos]);
    }

    /**
     * Count the number of elements
     *
     * @return int
     */
    public function count()
    {
        return count($this->ordinals);
    }
}


1		<?php
2
3		namespace MabeEnum;
4
5		use ArrayAccess;
6		use Countable;
7		use InvalidArgumentException;
8		use Iterator;
9		use UnexpectedValueException;
10
11		/**
12		* A map of enumerators (EnumMap<T>) and mixed values.
13		*
14		* @link http://github.com/marc-mabe/php-enum for the canonical source repository
15		* @copyright Copyright (c) 2017 Marc Bennewitz
16		* @license http://github.com/marc-mabe/php-enum/blob/master/LICENSE.txt New BSD License
17		*/
18		class EnumMap implements ArrayAccess, Countable, Iterator
19		{
20		/**
21		* The classname of the enumeration type
22		* @var string
23		*/
24		private $enumeration;
25
26		/**
27		* Internal map of ordinal number and value
28		* @var array
29		*/
30		private $map = [];
31
32		/**
33		* List of ordinal numbers
34		* @var int[]
35		*/
36		private $ordinals = [];
37
38		/**
39		* Current iterator position
40		* @var int
41		*/
42		private $pos = 0;
43
44		/**
45		* Constructor
46		* @param string $enumeration The classname of the enumeration type
47		* @throws InvalidArgumentException
48		*/
49	18	public function __construct($enumeration)
50		{
51	18	if (!is_subclass_of($enumeration, Enum::class)) {
52	2	throw new InvalidArgumentException(sprintf(
53	2	"This EnumMap can handle subclasses of '%s' only",
54	2	Enum::class
55		));
56		}
57	16	$this->enumeration = $enumeration;
58	16	}
59
60		/**
61		* Get the classname of the enumeration
62		* @return string
63		*/
64	2	public function getEnumeration()
65		{
66	2	return $this->enumeration;
67		}
68
69		/**
70		* Attach a new enumerator or overwrite an existing one
71		* @param Enum\|null\|boolean\|int\|float\|string $enumerator
72		* @param mixed $data
73		* @return void
74		* @throws InvalidArgumentException On an invalid given enumerator
75		*/
76	6	public function attach($enumerator, $data = null)
77		{
78	6	return $this->offsetSet($enumerator, $data);
79		}
80
81		/**
82		* Test if the given enumerator exists
83		* @param Enum\|null\|boolean\|int\|float\|string $enumerator
84		* @return boolean
85		*/
86	6	public function contains($enumerator)
87		{
88	6	return $this->offsetExists($enumerator);
89		}
90
91		/**
92		* Detach an enumerator
93		* @param Enum\|null\|boolean\|int\|float\|string $enumerator
94		* @return void
95		* @throws InvalidArgumentException On an invalid given enumerator
96		*/
97	4	public function detach($enumerator)
98		{
99	4	$this->offsetUnset($enumerator);
100	4	}
101
102		/**
103		* Test if the given enumerator exists
104		* @param Enum\|null\|boolean\|int\|float\|string $enumerator
105		* @return boolean
106		* @see contains()
107		*/
108	12	public function offsetExists($enumerator)
109		{
110		try {
111	12	$enumeration = $this->enumeration;
112	12	$ord = $enumeration::get($enumerator)->getOrdinal();
113	10	return isset($this->map[$ord]);
114	2	} catch (InvalidArgumentException $e) {
115		// On an InvalidArgumentException the given argument can't be contained in this map
116	2	return false;
117		}
118		}
119
120		/**
121		* Get mapped data for the given enumerator
122		* @param Enum\|null\|boolean\|int\|float\|string $enumerator
123		* @return mixed
124		* @throws InvalidArgumentException On an invalid given enumerator
125		*/
126	8	public function offsetGet($enumerator)
127		{
128	8	$enumeration = $this->enumeration;
129	8	$ord = $enumeration::get($enumerator)->getOrdinal();
130	8	if (!isset($this->map[$ord])) {
131		throw new UnexpectedValueException(sprintf(
132		"Enumerator '%s' could not be found",
133		is_object($enumerator) ? $enumerator->getValue() : $enumerator
134		));
135		}
136
137	8	return $this->map[$ord];
138		}
139
140		/**
141		* Attach a new enumerator or overwrite an existing one
142		* @param Enum\|null\|boolean\|int\|float\|string $enumerator
143		* @param mixed $data
144		* @return void
145		* @throws InvalidArgumentException On an invalid given enumerator
146		* @see attach()
147		*/
148	14	public function offsetSet($enumerator, $data = null)
149		{
150	14	$enumeration = $this->enumeration;
151	14	$ord = $enumeration::get($enumerator)->getOrdinal();
152
153	12	if (!isset($this->map[$ord])) {
154	12	$this->ordinals[] = $ord;
155		}
156	12	$this->map[$ord] = $data;
157	12	}
158
159		/**
160		* Detach an existing enumerator
161		* @param Enum\|null\|boolean\|int\|float\|string $enumerator
162		* @return void
163		* @throws InvalidArgumentException On an invalid given enumerator
164		* @see detach()
165		*/
166	8	public function offsetUnset($enumerator)
167		{
168	8	$enumeration = $this->enumeration;
169	8	$ord = $enumeration::get($enumerator)->getOrdinal();
170
171	8	if (($idx = array_search($ord, $this->ordinals, true)) !== false) {
172	8	unset($this->map[$ord]);
173	8	unset($this->ordinals[$idx]);
174		}
175	8	}
176
177		/**
178		* Get the current value
179		* @return mixed
180		*/
181	2	public function current()
182		{
183	2	if (!isset($this->ordinals[$this->pos])) {
184		return null;
185		}
186
187	2	return $this->map[$this->ordinals[$this->pos]];
188		}
189
190		/**
191		* Get the current key
192		* @return Enum\|null
193		*/
194	4	public function key()
195		{
196	4	if (!isset($this->ordinals[$this->pos])) {
197	2	return null;
198		}
199
200	4	$enumeration = $this->enumeration;
201	4	return $enumeration::byOrdinal($this->ordinals[$this->pos]);
202		}
203
204		/**
205		* Reset the iterator position to zero.
206		* @return void
207		*/
208	2	public function rewind()
209		{
210	2	$this->pos = 0;
211	2	}
212
213		/**
214		* Increment the iterator position by one.
215		* @return void
216		*/
217	2	public function next()
218		{
219	2	++$this->pos;
220	2	}
221
222		/**
223		* Test if the iterator is in a valid state
224		* @return boolean
225		*/
226	2	public function valid()
227		{
228	2	return isset($this->ordinals[$this->pos]);
229		}
230
231		/**
232		* Count the number of elements
233		*
234		* @return int
235		*/
236	2	public function count()
237		{
238	2	return count($this->ordinals);
239		}
240		}
241

marc-mabe / php-enum

Push — refactor_EnumMap ( 436164 )

EnumMap::count() A

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