Set::__construct() - Code Metrics - SetBased/antlr-php-runtime - Measure and Improve Code Quality continuously with Scrutinizer

Set::__construct() A
last analyzed 2020-12-10 13:11 UTC

↳ Parent: Set

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	1
c	1
b	0
f	0
nc	1
nop	1
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10

<?php

declare(strict_types=1);

namespace Antlr\Antlr4\Runtime\Utils;

use Antlr\Antlr4\Runtime\Comparison\DefaultEquivalence;
use Antlr\Antlr4\Runtime\Comparison\Equatable;
use Antlr\Antlr4\Runtime\Comparison\Equivalence;
use Antlr\Antlr4\Runtime\Comparison\Hashable;

final class Set implements Equatable, \IteratorAggregate, \Countable
{
    /** @var array<int, array<mixed>> */
    private $table = [];

    /** @var int */
    private $size = 0;

    /** @var DefaultEquivalence|Equivalence */
    private $equivalence;

    public function __construct(?Equivalence $equivalence = null)
    {
        $this->equivalence = $equivalence ?? new DefaultEquivalence();
    }

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

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

    public function contains($value) : bool
    {
        if (!$value instanceof Hashable) {
            return false;
        }

        $hash = $this->equivalence->hash($value);

        if (!isset($this->table[$hash])) {
            return false;
        }

        foreach ($this->table[$hash] as $entry) {
            if ($this->equivalence->equivalent($value, $entry)) {
                return true;
            }
        }

        return false;
    }

    public function getOrAdd(Hashable $value) : Hashable
    {
        $hash = $this->equivalence->hash($value);

        if (!isset($this->table[$hash])) {
            $this->table[$hash] = [];
        }

        foreach ($this->table[$hash] as $index => $entry) {
            if ($this->equivalence->equivalent($value, $entry)) {
                return $entry;
            }
        }

        $this->table[$hash][] = $value;

        $this->size++;

        return $value;
    }

    public function get(Hashable $value) : ?Hashable
    {
        $hash = $this->equivalence->hash($value);

        if (!isset($this->table[$hash])) {
            return null;
        }

        foreach ($this->table[$hash] as $index => $entry) {
            if ($this->equivalence->equivalent($value, $entry)) {
                return $entry;
            }
        }

        return null;
    }

    /**
     * @param iterable<Hashable> $values
     */
    public function addAll(iterable $values) : void
    {
        foreach ($values as $value) {
            $this->add($value);
        }
    }

    public function add(Hashable $value) : bool
    {
        $hash = $this->equivalence->hash($value);

        if (!isset($this->table[$hash])) {
            $this->table[$hash] = [];
        }

        foreach ($this->table[$hash] as $index => $entry) {
            if ($this->equivalence->equivalent($value, $entry)) {
                return false;
            }
        }

        $this->table[$hash][] = $value;

        $this->size++;

        return true;
    }

    public function remove(Hashable $value) : void
    {
        $hash = $this->equivalence->hash($value);

        if (!isset($this->table[$hash])) {
            return;
        }

        foreach ($this->table[$hash] as $index => $entry) {
            if ($this->equivalence->equivalent($value, $entry)) {
                continue;
            }

            unset($this->table[$hash][$index]);

            if (\count($this->table[$hash]) === 0) {
                unset($this->table[$hash]);
            }

            $this->size--;

            return;
        }
    }

    public function equals(object $other) : bool
    {
        if ($this === $other) {
            return true;
        }

        if (!$other instanceof self
            || $this->size !== $other->size
            || !$this->equivalence->equals($other)) {
            return false;
        }

        foreach ($this->table as $hash => $bucket) {
            if (!isset($other->table[$hash]) || \count($bucket) !== \count($other->table[$hash])) {
                return false;
            }

            $otherBucket = $other->table[$hash];

            foreach ($bucket as $index => $value) {
                if (!$value->equals($otherBucket[$index])) {
                    return false;
                }
            }
        }

        return true;
    }

    /**
     * @return array<mixed>
     */
    public function getValues() : array
    {
        $values = [];
        foreach ($this->table as $bucket) {
            foreach ($bucket as $value) {
                $values[] = $value;
            }
        }

        return $values;
    }

    public function getIterator() : \Iterator
    {
        foreach ($this->table as $bucket) {
            foreach ($bucket as $value) {
                yield $value;
            }
        }
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Antlr\Antlr4\Runtime\Utils;
6
7		use Antlr\Antlr4\Runtime\Comparison\DefaultEquivalence;
8		use Antlr\Antlr4\Runtime\Comparison\Equatable;
9		use Antlr\Antlr4\Runtime\Comparison\Equivalence;
10		use Antlr\Antlr4\Runtime\Comparison\Hashable;
11
12		final class Set implements Equatable, \IteratorAggregate, \Countable
13		{
14		/** @var array<int, array<mixed>> */
15		private $table = [];
16
17		/** @var int */
18		private $size = 0;
19
20		/** @var DefaultEquivalence\|Equivalence */
21		private $equivalence;
22
23	7	public function __construct(?Equivalence $equivalence = null)
24		{
25	7	$this->equivalence = $equivalence ?? new DefaultEquivalence();
26	7	}
27
28	3	public function isEmpty() : bool
29		{
30	3	return $this->count() === 0;
31		}
32
33	4	public function count() : int
34		{
35	4	return $this->size;
36		}
37
38		public function contains($value) : bool
39		{
40		if (!$value instanceof Hashable) {
41		return false;
42		}
43
44		$hash = $this->equivalence->hash($value);
45
46		if (!isset($this->table[$hash])) {
47		return false;
48		}
49
50		foreach ($this->table[$hash] as $entry) {
51		if ($this->equivalence->equivalent($value, $entry)) {
52		return true;
53		}
54		}
55
56		return false;
57		}
58
59	5	public function getOrAdd(Hashable $value) : Hashable
60		{
61	5	$hash = $this->equivalence->hash($value);
62
63	5	if (!isset($this->table[$hash])) {
64	5	$this->table[$hash] = [];
65		}
66
67	5	foreach ($this->table[$hash] as $index => $entry) {
68	4	if ($this->equivalence->equivalent($value, $entry)) {
69	4	return $entry;
70		}
71		}
72
73	5	$this->table[$hash][] = $value;
74
75	5	$this->size++;
76
77	5	return $value;
78		}
79
80	4	public function get(Hashable $value) : ?Hashable
81		{
82	4	$hash = $this->equivalence->hash($value);
83
84	4	if (!isset($this->table[$hash])) {
85	4	return null;
86		}
87
88	2	foreach ($this->table[$hash] as $index => $entry) {
89	2	if ($this->equivalence->equivalent($value, $entry)) {
90	2	return $entry;
91		}
92		}
93
94		return null;
95		}
96
97		/**
98		* @param iterable<Hashable> $values
99		*/
100		public function addAll(iterable $values) : void
101		{
102		foreach ($values as $value) {
103		$this->add($value);
104		}
105		}
106
107	5	public function add(Hashable $value) : bool
108		{
109	5	$hash = $this->equivalence->hash($value);
110
111	5	if (!isset($this->table[$hash])) {
112	5	$this->table[$hash] = [];
113		}
114
115	5	foreach ($this->table[$hash] as $index => $entry) {
116	1	if ($this->equivalence->equivalent($value, $entry)) {
117	1	return false;
118		}
119		}
120
121	5	$this->table[$hash][] = $value;
122
123	5	$this->size++;
124
125	5	return true;
126		}
127
128		public function remove(Hashable $value) : void
129		{
130		$hash = $this->equivalence->hash($value);
131
132		if (!isset($this->table[$hash])) {
133		return;
134		}
135
136		foreach ($this->table[$hash] as $index => $entry) {
137		if ($this->equivalence->equivalent($value, $entry)) {
138		continue;
139		}
140
141		unset($this->table[$hash][$index]);
142
143		if (\count($this->table[$hash]) === 0) {
144		unset($this->table[$hash]);
145		}
146
147		$this->size--;
148
149		return;
150		}
151		}
152
153		public function equals(object $other) : bool
154		{
155		if ($this === $other) {
156		return true;
157		}
158
159		if (!$other instanceof self
160		\|\| $this->size !== $other->size
161		\|\| !$this->equivalence->equals($other)) {
162		return false;
163		}
164
165		foreach ($this->table as $hash => $bucket) {
166		if (!isset($other->table[$hash]) \|\| \count($bucket) !== \count($other->table[$hash])) {
167		return false;
168		}
169
170		$otherBucket = $other->table[$hash];
171
172		foreach ($bucket as $index => $value) {
173		if (!$value->equals($otherBucket[$index])) {
174		return false;
175		}
176		}
177		}
178
179		return true;
180		}
181
182		/**
183		* @return array<mixed>
184		*/
185		public function getValues() : array
186		{
187		$values = [];
188		foreach ($this->table as $bucket) {
189		foreach ($bucket as $value) {
190		$values[] = $value;
191		}
192		}
193
194		return $values;
195		}
196
197		public function getIterator() : \Iterator
198		{
199		foreach ($this->table as $bucket) {
200		foreach ($bucket as $value) {
201		yield $value;
202		}
203		}
204		}
205		}
206

SetBased / antlr-php-runtime

Set::__construct() A last analyzed 2020-12-10 13:11 UTC

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Set::__construct() A
last analyzed 2020-12-10 13:11 UTC