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1<?php
2namespace Apie\RegexTools\Parts;
3
4final class CaptureGroup implements RegexPartInterface
5{
6    /**
7     * @param array<int, RegexPartInterface> $part
8     */
9    public function __construct(
10        public readonly array $part
11    ) {
12    }
13
14    public function __toString(): string
15    {
16        return '(' . implode('', $this->part) . ')';
17    }
18
19    public function getRegexStringLength(): int
20    {
21        return array_reduce($this->part, function (int $prevValue, RegexPartInterface $part) {
22            return $prevValue + $part->getRegexStringLength();
23        }, 2);
24    }
25
26    public function getMinimalPossibleLength(): int
27    {
28        return array_sum(
29            array_map(
30                function (RegexPartInterface $part) {
31                    return $part->getMinimalPossibleLength();
32                },
33                $this->part
34            )
35        );
36        ;
37    }
38
39    public function getMaximumPossibleLength(): ?int
40    {
41        $sum = 0;
42        foreach ($this->part as $part) {
43            $max = $part->getMaximumPossibleLength();
44            if ($max === null) {
45                return null;
46            }
47            $sum += $max;
48        }
49        return $sum;
50    }
51
52    public function toCaseInsensitive(): RegexPartInterface
53    {
54        return new CaptureGroup(
55            array_map(
56                function (RegexPartInterface $part) {
57                    return $part->toCaseInsensitive();
58                },
59                $this->part
60            )
61        );
62    }
63
64    public function toDotAll(): RegexPartInterface
65    {
66        return new CaptureGroup(
67            array_map(
68                function (RegexPartInterface $part) {
69                    return $part->toDotAll();
70                },
71                $this->part
72            )
73        );
74    }
75
76    public function removeStartAndEndMarkers(): ?RegexPartInterface
77    {
78        return new CaptureGroup(
79            array_filter(
80                array_map(
81                    function (RegexPartInterface $part) {
82                        return $part->removeStartAndEndMarkers();
83                    },
84                    $this->part
85                )
86            )
87        );
88    }
89}