MapTrait::toList() - Code Metrics - Inspection of "Version 4:" - seboettg/Collection - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — version-4 (8b03a3)

by Sebastian

created 2022-06-12 12:46 UTC

MapTrait::toList() A

↳ Parent: MapTrait

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
eloc	4
c	1
b	0
f	0
nc	2
nop	0
dl	0
loc	7
ccs	0
cts	5
cp	0
crap	6
rs	10

<?php
declare(strict_types=1);
/*
 * Copyright (C) 2022 Sebastian Böttger <[email protected]>
 * You may use, distribute and modify this code under the
 * terms of the MIT license.
 *
 * You should have received a copy of the MIT license with
 * this file. If not, please visit: https://opensource.org/licenses/mit-license.php
 */

namespace Seboettg\Collection\Map;

use ArrayIterator;
use Iterator;
use ReflectionException;
use ReflectionFunction;
use Seboettg\Collection\Assert\Exception\NotApplicableCallableException;
use Seboettg\Collection\Lists;
use Seboettg\Collection\Lists\ArrayListTrait;
use Seboettg\Collection\Lists\ListInterface;
use Seboettg\Collection\Map;
use Seboettg\Collection\NativePhp\ArrayAccessTrait;
use function Seboettg\Collection\Assert\assertScalar;
use function Seboettg\Collection\Assert\assertValidCallable;
use function Seboettg\Collection\Lists\emptyList;
use function Seboettg\Collection\Lists\listOf;

/**
 * @property array $array base array of this data structure
 */
trait MapTrait
{
    use ArrayAccessTrait;

    /**
     * @inheritDoc
     */
    public function getEntries(): ListInterface
    {
        return listOf(...array_map(function (string $key, $value) {
            return pair($key, $value);
        }, array_keys($this->array), $this->array));

    }


    /**
     * @inheritDoc
     */
    public function getKeys(): ListInterface
    {
        return listOf(...array_keys($this->array));
    }

    /**
     * @inheritDoc
     */
    public function values(): ListInterface
    {
        return listOf(...array_values($this->array));
    }

    /**
     * {@inheritDoc}
     */
    public function count(): int
    {
        return count($this->array);
    }

    /**
     * @inheritDoc
     */
    public function size(): int
    {
        return $this->count();
    }

    /**
     * @inheritDoc
     */
    public function clear(): void
    {
        unset($this->array);
        $this->array = [];
    }

    /**
     * @inheritDoc
     * @param scalar $key
     * @return bool
     */
    public function contains($key): bool
    {
        assertScalar($key, "Key must be a scalar value");
        return array_key_exists($key, $this->array);
    }

    /**
     * @inheritDoc
     * @param array $array
     */
    public function setArray(array $array): void
    {
        $this->array = $array;
    }

    /**
     * @inheritDoc
     * @param scalar
     * @return string
     */
    public function containsKey($key): bool
    {
        return $this->contains($key);

    }

    /**
     * @inheritDoc
     * @param mixed $value
     * @return bool
     */
    public function containsValue($value): bool
    {
        return in_array($value, $this->array, true) !== false;
    }

    /**
     * @inheritDoc
     * @return bool
     */
    public function isEmpty(): bool
    {
        return $this->count() === 0;
    }

    /**
     * @inheritDoc
     * @param scalar
     * @return mixed
     */
    public function get($key)
    {
        return $this->array[$key] ?? null;
    }

    /**
     * @inheritDoc
     * @param scalar $key
     * @param mixed $value
     */
    public function put($key, $value): void
    {
        assertScalar($key, "Key must be a scalar value");
        $this->array[$key] = $value;
    }

    /**
     * @param MapInterface<scalar, mixed> $map
     * @return void
     */
    public function putAll(MapInterface $map): void
    {
        foreach ($map as $key => $value) {
            $this->array[$key] = $value;
        }
    }

    /**
     * @inheritDoc
     * @param scalar $key
     * @return void
     */
    public function remove($key): void
    {
        unset($this->array[$key]);
    }

    /**
     * @inheritDoc
     * @param callable $predicate
     * @return bool
     */
    public function all(callable $predicate): bool
    {
        return $this->count() === $this->filter($predicate)->count();
    }

    /**
     * @inheritDoc
     * @param callable $predicate
     * @return bool
     */
    public function any(callable $predicate): bool
    {
        return $this->filter($predicate)->count() > 0;
    }

    /**
     * @inheritDoc
     * @param callable|null $predicate
     * @return MapInterface
     */
    public function filter(callable $predicate = null): MapInterface
    {
        $map = emptyMap();
        if ($predicate !== null) {
            try {
                $reflected = new ReflectionFunction($predicate);
                if (count($reflected->getParameters()) === 1) {
                    assertValidCallable($predicate, [Pair::class]);
                    foreach ($this->array as $key => $value) {
                        if ($predicate(pair($key, $value)) === true) {
                            $map->put($key, $value);
                        }
                    }
                } else {
                    if (count($reflected->getParameters()) === 2) {
                        assertValidCallable($predicate, ["scalar", "mixed"]);
                    }
                    foreach ($this->array as $key => $value) {
                        if ($predicate($key, $value) === true) {
                            $map->put($key, $value);
                        }
                    }
                }
            } catch (ReflectionException $ex) {
                throw new NotApplicableCallableException("Invalid callback.");
            }
        } else {
            $map->array = array_filter($this->array, $predicate);

        }
        return $map;
    }

    /**
     * @inheritDoc
     * @param scalar $key
     * @param callable $default
     * @return mixed
     */
    public function getOrElse($key, callable $default)
    {
        return $this[$key] ?? $default();
    }

    /**
     * @inheritDoc
     * @param callable $transform
     * @return ListInterface
     */
    public function map(callable $transform): ListInterface
    {
        $list = emptyList();
        $list->array = array_map($transform, $this->array);

        return $list;
    }

    /**
     * @inheritDoc
     * @param callable $transform
     * @return ListInterface
     */
    public function mapNotNull(callable $transform): ListInterface
    {
        $newInstance = emptyList();
        $newInstance->setArray(array_values(
            array_filter(array_map($transform, $this->array), function ($item) {
                return $item !== null;
            })
        ));
        return $newInstance;
    }

    /**
     * @inheritDoc
     * @param iterable<scalar> $keys
     * @param MapInterface
     */
    public function minus(iterable $keys): MapInterface
    {
        $newInstance = emptyMap();
        foreach ($this->array as $key => $value) {
            if (!$this->iterableContainsKey($key, $keys)) {
                $newInstance[$key] = $value;
            }
        }
        return $newInstance;
    }

    private function iterableContainsKey(string $key, iterable $keys): bool
    {
        foreach ($keys as $k) {
            if ($k === $key) {
                return true;
            }
        }
        return false;
    }

    /**
     * @inheritDoc
     * @param iterable<Pair<scalar, mixed>> $pairs
     * @return MapInterface<scalar, mixed>
     */
    public function plus(iterable $pairs): MapInterface
    {
        $map = emptyMap();
        $map->array = $this->array;

        foreach ($pairs as $pair) {
            $map[$pair->getKey()] = $pair->getValue();
        }
        return $map;
    }

    /**
     * @inheritDoc
     * @param callable $action f(entry: Pair<scalar, mixed>) -> mixed|void
     * @return void
     */
    public function forEach(callable $action): void
    {
        foreach ($this->array as $key => $value) {
            $action(pair($key, $value));
        }
    }

    /**
     * @inheritDoc
     * @return ListInterface<Pair<scalar, mixed>>
     */
    public function toList(): ListInterface
    {
        $list = emptyList();
        foreach ($this->array as $key => $value) {
            $list->add(pair($key, $value));
        }
        return $list;
    }

    public function toMap(): MapInterface
    {
        $newInstance = emptyMap();
        $newInstance->array = $this->array;

        return $newInstance;
    }


    public function getIterator(): Iterator
    {
        return new ArrayIterator($this->array);
    }
}


1		<?php
2		declare(strict_types=1);
3		/*
4		* Copyright (C) 2022 Sebastian Böttger <[email protected]>
5		* You may use, distribute and modify this code under the
6		* terms of the MIT license.
7		*
8		* You should have received a copy of the MIT license with
9		* this file. If not, please visit: https://opensource.org/licenses/mit-license.php
10		*/
11
12		namespace Seboettg\Collection\Map;
13
14		use ArrayIterator;
15		use Iterator;
16		use ReflectionException;
17		use ReflectionFunction;
18		use Seboettg\Collection\Assert\Exception\NotApplicableCallableException;
19		use Seboettg\Collection\Lists;
20		use Seboettg\Collection\Lists\ArrayListTrait;
21		use Seboettg\Collection\Lists\ListInterface;
22		use Seboettg\Collection\Map;
23		use Seboettg\Collection\NativePhp\ArrayAccessTrait;
24		use function Seboettg\Collection\Assert\assertScalar;
25		use function Seboettg\Collection\Assert\assertValidCallable;
26		use function Seboettg\Collection\Lists\emptyList;
27		use function Seboettg\Collection\Lists\listOf;
28
29		/**
30		* @property array $array base array of this data structure
31		*/
32		trait MapTrait
33		{
34		use ArrayAccessTrait;
35
36		/**
37		* @inheritDoc
38		*/
39	1	public function getEntries(): ListInterface
40		{
41		return listOf(...array_map(function (string $key, $value) {
42	1	return pair($key, $value);
43	1	}, array_keys($this->array), $this->array));
44
45		}
		0 ignored issues – show Coding Style introduced 2022-06-12 12:49 UTC by Report Bug Copy Issue Report Function closing brace must go on the next line following the body; found 1 blank lines before brace Loading history...
46
47		/**
48		* @inheritDoc
49		*/
50	1	public function getKeys(): ListInterface
51		{
52	1	return listOf(...array_keys($this->array));
53		}
54
55		/**
56		* @inheritDoc
57		*/
58	1	public function values(): ListInterface
59		{
60	1	return listOf(...array_values($this->array));
61		}
62
63		/**
64		* {@inheritDoc}
65		*/
66	8	public function count(): int
67		{
68	8	return count($this->array);
69		}
70
71		/**
72		* @inheritDoc
73		*/
74	1	public function size(): int
75		{
76	1	return $this->count();
77		}
78
79		/**
80		* @inheritDoc
81		*/
82		public function clear(): void
83		{
84		unset($this->array);
85		$this->array = [];
86		}
87
88		/**
89		* @inheritDoc
90		* @param scalar $key
91		* @return bool
92		*/
93	6	public function contains($key): bool
94		{
95	6	assertScalar($key, "Key must be a scalar value");
96	4	return array_key_exists($key, $this->array);
97		}
98
99		/**
100		* @inheritDoc
101		* @param array $array
102		*/
103		public function setArray(array $array): void
104		{
105		$this->array = $array;
106		}
107
108		/**
109		* @inheritDoc
110		* @param scalar
111		* @return string
112		*/
113	1	public function containsKey($key): bool
114		{
115	1	return $this->contains($key);
		0 ignored issues – show Bug Best Practice introduced 2022-06-12 12:49 UTC by Report Bug Copy Issue Report The expression `return $this->contains($key)` returns the type `boolean` which is incompatible with the documented return type `string`. Loading history...
116		}
117
118		/**
119		* @inheritDoc
120		* @param mixed $value
121		* @return bool
122		*/
123		public function containsValue($value): bool
124		{
125		return in_array($value, $this->array, true) !== false;
126		}
127
128		/**
129		* @inheritDoc
130		* @return bool
131		*/
132	2	public function isEmpty(): bool
133		{
134	2	return $this->count() === 0;
135		}
136
137		/**
138		* @inheritDoc
139		* @param scalar
140		* @return mixed
141		*/
142	5	public function get($key)
143		{
144	5	return $this->array[$key] ?? null;
145		}
146
147		/**
148		* @inheritDoc
149		* @param scalar $key
150		* @param mixed $value
151		*/
152	22	public function put($key, $value): void
153		{
154	22	assertScalar($key, "Key must be a scalar value");
155	22	$this->array[$key] = $value;
156	22	}
157
158		/**
159		* @param MapInterface<scalar, mixed> $map
160		* @return void
161		*/
162	1	public function putAll(MapInterface $map): void
163		{
164	1	foreach ($map as $key => $value) {
165	1	$this->array[$key] = $value;
166		}
167	1	}
168
169		/**
170		* @inheritDoc
171		* @param scalar $key
172		* @return void
173		*/
174	1	public function remove($key): void
175		{
176	1	unset($this->array[$key]);
177	1	}
178
179		/**
180		* @inheritDoc
181		* @param callable $predicate
182		* @return bool
183		*/
184	1	public function all(callable $predicate): bool
185		{
186	1	return $this->count() === $this->filter($predicate)->count();
187		}
188
189		/**
190		* @inheritDoc
191		* @param callable $predicate
192		* @return bool
193		*/
194	1	public function any(callable $predicate): bool
195		{
196	1	return $this->filter($predicate)->count() > 0;
197		}
198
199		/**
200		* @inheritDoc
201		* @param callable\|null $predicate
202		* @return MapInterface
203		*/
204	2	public function filter(callable $predicate = null): MapInterface
205		{
206	2	$map = emptyMap();
207	2	if ($predicate !== null) {
208		try {
209	2	$reflected = new ReflectionFunction($predicate);
210	2	if (count($reflected->getParameters()) === 1) {
211	2	assertValidCallable($predicate, [Pair::class]);
212	2	foreach ($this->array as $key => $value) {
213	2	if ($predicate(pair($key, $value)) === true) {
214	2	$map->put($key, $value);
215		}
216		}
217		} else {
218		if (count($reflected->getParameters()) === 2) {
219		assertValidCallable($predicate, ["scalar", "mixed"]);
220		}
221	2	foreach ($this->array as $key => $value) {
222		if ($predicate($key, $value) === true) {
223		$map->put($key, $value);
224		}
225		}
226		}
227		} catch (ReflectionException $ex) {
228	2	throw new NotApplicableCallableException("Invalid callback.");
229		}
230		} else {
231		$map->array = array_filter($this->array, $predicate);
		0 ignored issues – show Bug introduced 2022-06-12 12:49 UTC by Report Bug Copy Issue Report The property `array` is declared private in `anonymous//src/Map/Functions.php$0` and cannot be accessed from this context. Loading history...
232		}
233	2	return $map;
234		}
235
236		/**
237		* @inheritDoc
238		* @param scalar $key
239		* @param callable $default
240		* @return mixed
241		*/
242		public function getOrElse($key, callable $default)
243		{
244		return $this[$key] ?? $default();
245		}
246
247		/**
248		* @inheritDoc
249		* @param callable $transform
250		* @return ListInterface
251		*/
252		public function map(callable $transform): ListInterface
253		{
254		$list = emptyList();
255		$list->array = array_map($transform, $this->array);
		0 ignored issues – show Bug introduced 2022-06-12 12:49 UTC by Report Bug Copy Issue Report The property `array` is declared private in `anonymous//src/Lists/Functions.php$0` and cannot be accessed from this context. Loading history...
256		return $list;
257		}
258
259		/**
260		* @inheritDoc
261		* @param callable $transform
262		* @return ListInterface
263		*/
264		public function mapNotNull(callable $transform): ListInterface
265		{
266		$newInstance = emptyList();
267		$newInstance->setArray(array_values(
268		array_filter(array_map($transform, $this->array), function ($item) {
269		return $item !== null;
270		})
271		));
272		return $newInstance;
273		}
274
275		/**
276		* @inheritDoc
277		* @param iterable<scalar> $keys
278		* @param MapInterface
279		*/
280		public function minus(iterable $keys): MapInterface
281		{
282		$newInstance = emptyMap();
283		foreach ($this->array as $key => $value) {
284		if (!$this->iterableContainsKey($key, $keys)) {
285		$newInstance[$key] = $value;
286		}
287		}
288		return $newInstance;
289		}
290
291		private function iterableContainsKey(string $key, iterable $keys): bool
292		{
293		foreach ($keys as $k) {
294		if ($k === $key) {
295		return true;
296		}
297		}
298		return false;
299		}
300
301		/**
302		* @inheritDoc
303		* @param iterable<Pair<scalar, mixed>> $pairs
304		* @return MapInterface<scalar, mixed>
305		*/
306		public function plus(iterable $pairs): MapInterface
307		{
308		$map = emptyMap();
309		$map->array = $this->array;
		0 ignored issues – show Bug introduced 2022-06-12 12:49 UTC by Report Bug Copy Issue Report The property `array` is declared private in `anonymous//src/Map/Functions.php$0` and cannot be accessed from this context. Loading history...
310		foreach ($pairs as $pair) {
311		$map[$pair->getKey()] = $pair->getValue();
312		}
313		return $map;
314		}
315
316		/**
317		* @inheritDoc
318		* @param callable $action f(entry: Pair<scalar, mixed>) -> mixed\|void
319		* @return void
320		*/
321		public function forEach(callable $action): void
322		{
323		foreach ($this->array as $key => $value) {
324		$action(pair($key, $value));
325		}
326		}
327
328		/**
329		* @inheritDoc
330		* @return ListInterface<Pair<scalar, mixed>>
331		*/
332		public function toList(): ListInterface
333		{
334		$list = emptyList();
335		foreach ($this->array as $key => $value) {
336		$list->add(pair($key, $value));
337		}
338		return $list;
339		}
340
341		public function toMap(): MapInterface
342		{
343		$newInstance = emptyMap();
344		$newInstance->array = $this->array;
		0 ignored issues – show Bug introduced 2022-06-12 12:49 UTC by Report Bug Copy Issue Report The property `array` is declared private in `anonymous//src/Map/Functions.php$0` and cannot be accessed from this context. Loading history...
345		return $newInstance;
346		}
347
348
349	1	public function getIterator(): Iterator
350		{
351	1	return new ArrayIterator($this->array);
352		}
353		}
354

seboettg / Collection

Branch — version-4 (8b03a3)

MapTrait::toList() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

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