CompositeParser::parseComposite() - Code Metrics - Inspection of "Support Composite types" - yiisoft/db-pgsql - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#303)

unknown

created 2023-07-29 09:43 UTC

CompositeParser::parseComposite() A

↳ Parent: CompositeParser

Complexity

Conditions	3
Paths	3

Size

Total Lines	11
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	7
c	0
b	0
f	0
nc	3
nop	1
dl	0
loc	11
ccs	9
cts	9
cp	1
crap	3
rs	10

<?php

declare(strict_types=1);

namespace Yiisoft\Db\Pgsql\Composite;

/**
 * Composite type representation to PHP array parser for PostgreSQL Server.
 */
class CompositeParser
{
    /**
     * Convert composite type from PostgreSQL to PHP array
     *
     * @param string $value String to convert.
     */
    public function parse(string $value): array|null
    {
        if ($value[0] !== '(') {
            return null;
        }

        return $this->parseComposite($value);
    }

    /**
     * Parse PostgreSQL composite type encoded in string.
     *
     * @param string $value String to parse.
     */
    private function parseComposite(string $value): array
    {
        for ($result = [], $i = 1;; ++$i) {
            $result[] = match ($value[$i]) {
                ',', ')' => null,
                '"' => $this->parseQuotedString($value, $i),
                default => $this->parseUnquotedString($value, $i),
            };

            if ($value[$i] === ')') {
                return $result;
            }
        }
interface ReturnsInt {
    public function returnsIntHinted(): int;
}

class MyClass implements ReturnsInt {
    public function returnsIntHinted(): int
    {
        if (foo()) {
            return 123;
        }
        // here: null is implicitly returned
    }
}
    }

    /**
     * Parses quoted string.
     */
    private function parseQuotedString(string $value, int &$i): string
    {
        for ($result = '', ++$i;; ++$i) {
            if ($value[$i] === '\\') {
                ++$i;
            } elseif ($value[$i] === '"') {
                ++$i;
                return $result;
            }

            $result .= $value[$i];
        }
interface ReturnsInt {
    public function returnsIntHinted(): int;
}

class MyClass implements ReturnsInt {
    public function returnsIntHinted(): int
    {
        if (foo()) {
            return 123;
        }
        // here: null is implicitly returned
    }
}
    }

    /**
     * Parses unquoted string.
     */
    private function parseUnquotedString(string $value, int &$i): string
    {
        for ($result = '';; ++$i) {
            if (in_array($value[$i], [',', ')'], true)) {
                return $result;
            }

            $result .= $value[$i];
        }
interface ReturnsInt {
    public function returnsIntHinted(): int;
}

class MyClass implements ReturnsInt {
    public function returnsIntHinted(): int
    {
        if (foo()) {
            return 123;
        }
        // here: null is implicitly returned
    }
}
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Db\Pgsql\Composite;
6
7		/**
8		* Composite type representation to PHP array parser for PostgreSQL Server.
9		*/
10		class CompositeParser
11		{
12		/**
13		* Convert composite type from PostgreSQL to PHP array
14		*
15		* @param string $value String to convert.
16		*/
17	6	public function parse(string $value): array\|null
18		{
19	6	if ($value[0] !== '(') {
20	1	return null;
21		}
22
23	6	return $this->parseComposite($value);
24		}
25
26		/**
27		* Parse PostgreSQL composite type encoded in string.
28		*
29		* @param string $value String to parse.
30		*/
31	6	private function parseComposite(string $value): array
32		{
33	6	for ($result = [], $i = 1;; ++$i) {
34	6	$result[] = match ($value[$i]) {
35	6	',', ')' => null,
36	6	'"' => $this->parseQuotedString($value, $i),
37	6	default => $this->parseUnquotedString($value, $i),
38	6	};
39
40	6	if ($value[$i] === ')') {
41	6	return $result;
42		}
43		}
		0 ignored issues – show Bug Best Practice introduced 2023-07-26 06:10 UTC by Report Bug Copy Issue Report In this branch, the function will implicitly return `null` which is incompatible with the type-hinted return `array`. Consider adding a return statement or allowing `null` as return value. For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: interface ReturnsInt { public function returnsIntHinted(): int; } class MyClass implements ReturnsInt { public function returnsIntHinted(): int { if (foo()) { return 123; } // here: null is implicitly returned } } Loading history...
44		}
45
46		/**
47		* Parses quoted string.
48		*/
49	6	private function parseQuotedString(string $value, int &$i): string
50		{
51	6	for ($result = '', ++$i;; ++$i) {
52	6	if ($value[$i] === '\\') {
53	1	++$i;
54	6	} elseif ($value[$i] === '"') {
55	6	++$i;
56	6	return $result;
57		}
58
59	6	$result .= $value[$i];
60		}
		0 ignored issues – show Bug Best Practice introduced 2023-07-26 06:10 UTC by Report Bug Copy Issue Report In this branch, the function will implicitly return `null` which is incompatible with the type-hinted return `string`. Consider adding a return statement or allowing `null` as return value. For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: interface ReturnsInt { public function returnsIntHinted(): int; } class MyClass implements ReturnsInt { public function returnsIntHinted(): int { if (foo()) { return 123; } // here: null is implicitly returned } } Loading history...
61		}
62
63		/**
64		* Parses unquoted string.
65		*/
66	6	private function parseUnquotedString(string $value, int &$i): string
67		{
68	6	for ($result = '';; ++$i) {
69	6	if (in_array($value[$i], [',', ')'], true)) {
70	6	return $result;
71		}
72
73	6	$result .= $value[$i];
74		}
		0 ignored issues – show Bug Best Practice introduced 2023-07-26 06:10 UTC by Report Bug Copy Issue Report In this branch, the function will implicitly return `null` which is incompatible with the type-hinted return `string`. Consider adding a return statement or allowing `null` as return value. For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: interface ReturnsInt { public function returnsIntHinted(): int; } class MyClass implements ReturnsInt { public function returnsIntHinted(): int { if (foo()) { return 123; } // here: null is implicitly returned } } Loading history...
75		}
76		}
77

yiisoft / db-pgsql

Pull Request — master (#303)

CompositeParser::parseComposite() A

Complexity

Size

Duplication

Code Coverage

Importance

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