ConfigurationWhitelistFactory::createSymbolsConfiguration() - Code Metrics - Inspection of "WIP: Phase out Whitelist" - humbug/php-scoper - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#587)

by Théo

created 2022-01-23 11:58 UTC

createSymbolsConfiguration() A

↳ Parent: ConfigurationWhitelistFactory

Complexity

Conditions	1
Paths	1

Size

Total Lines	30
Code Lines	21

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	21
nc	1
nop	1
dl	0
loc	30
rs	9.584
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Humbug\PhpScoper\Configuration;

use Humbug\PhpScoper\RegexChecker;
use Humbug\PhpScoper\Symbol\NamespaceRegistry;
use Humbug\PhpScoper\Whitelist;
use InvalidArgumentException;
use function array_key_exists;
use function array_keys;
use function array_values;
use function gettype;
use function is_array;
use function is_bool;
use function is_string;
use function Safe\sprintf;

final class ConfigurationWhitelistFactory
{
    private RegexChecker $regexChecker;

    public function __construct(RegexChecker $regexChecker)
    {
        $this->regexChecker = $regexChecker;
    }

    public function createSymbolsConfiguration(array $config): SymbolsConfiguration
    {
        [
            $excludedNamespaceRegexes,
            $excludedNamespaceNames,
        ] = $this->retrieveExcludedNamespaces($config);

        $exposedElements = self::retrieveExposedElements($config);

        $exposeGlobalConstants = self::retrieveExposeGlobalSymbol(
            $config,
            ConfigurationKeys::EXPOSE_GLOBAL_CONSTANTS_KEYWORD,
        );
        $exposeGlobalClasses = self::retrieveExposeGlobalSymbol(
            $config,
            ConfigurationKeys::EXPOSE_GLOBAL_CLASSES_KEYWORD,
        );
        $exposeGlobalFunctions = self::retrieveExposeGlobalSymbol(
            $config,
            ConfigurationKeys::EXPOSE_GLOBAL_FUNCTIONS_KEYWORD,
        );

        return SymbolsConfiguration::fromWhitelist(
            Whitelist::create(
                $exposeGlobalConstants,
                $exposeGlobalClasses,
                $exposeGlobalFunctions,
                $excludedNamespaceRegexes,
                $excludedNamespaceNames,
                ...$exposedElements,
            ),
        );
    }

    /**
     * @return array{string[], string[]}

     */
    private function retrieveExcludedNamespaces(array $config): array
    {
        $key = ConfigurationKeys::EXCLUDE_NAMESPACES_KEYWORD;

        if (!array_key_exists($key, $config)) {
            return [[], []];
        }

        $regexesAndNamespaceNames = $config[$key];

        if (!is_array($regexesAndNamespaceNames)) {
            throw new InvalidArgumentException(
                sprintf(
                    'Expected "%s" to be an array of strings, got "%s" instead.',
                    $key,
                    gettype($regexesAndNamespaceNames),
                ),
            );
        }

        // Store the strings in the keys for avoiding a unique check later on
        $regexes = [];
        $namespaceNames = [];

        foreach ($regexesAndNamespaceNames as $index => $regexOrNamespaceName) {
            if (!is_string($regexOrNamespaceName)) {
                throw new InvalidArgumentException(
                    sprintf(
                        'Expected "%s" to be an array of strings, got "%s" for the element with the index "%s".',
                        $key,
                        gettype($regexOrNamespaceName),
                        $index,
                    ),
                );
            }

            if (!$this->regexChecker->isRegexLike($regexOrNamespaceName)) {
                $namespaceNames[$regexOrNamespaceName] = null;

                continue;
            }

            $excludeNamespaceRegex = $regexOrNamespaceName;

            $errorMessage = $this->regexChecker->validateRegex($excludeNamespaceRegex);

            if (null !== $errorMessage) {
                throw new InvalidArgumentException(
                    sprintf(
                        'Expected "%s" to be an array of valid regexes. The element "%s" with the index "%s" is not: %s.',
                        $key,
                        $excludeNamespaceRegex,
                        $index,
                        $errorMessage,
                    ),
                );
            }

            // Ensure namespace comparisons are always case-insensitive
            // TODO: double check that we are not adding it twice or that adding it twice does not break anything
            $excludeNamespaceRegex .= 'i';
            $regexes[$excludeNamespaceRegex] = null;
        }

        return [
            array_keys($regexes),
            array_keys($namespaceNames),
        ];
    }

    /**
     * return list<string>
     */
    private static function retrieveExposedElements(array $config): array
    {
        $key = ConfigurationKeys::WHITELIST_KEYWORD;

        if (!array_key_exists($key, $config)) {
            return [];
        }

        $whitelist = $config[$key];

        if (!is_array($whitelist)) {
            throw new InvalidArgumentException(
                sprintf(
                    'Expected "%s" to be an array of strings, found "%s" instead.',
                    $key,
                    gettype($whitelist),
                ),
            );
        }

        foreach ($whitelist as $index => $className) {
            if (is_string($className)) {
                continue;
            }

            throw new InvalidArgumentException(
                sprintf(
                    'Expected whitelist to be an array of string, the "%d" element is not.',
                    $index,
                ),
            );
        }

        return array_values($whitelist);
    }

    private static function retrieveExposeGlobalSymbol(array $config, string $key): bool
    {
        if (!array_key_exists($key, $config)) {
            return false;
        }

        $value = $config[$key];

        if (!is_bool($value)) {
            throw new InvalidArgumentException(
                sprintf(
                    'Expected %s to be a boolean, found "%s" instead.',
                    $key,
                    gettype($value),
                ),
            );
        }

        return $value;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Humbug\PhpScoper\Configuration;
6
7			use Humbug\PhpScoper\RegexChecker;
8			use Humbug\PhpScoper\Symbol\NamespaceRegistry;
9			use Humbug\PhpScoper\Whitelist;
10			use InvalidArgumentException;
11			use function array_key_exists;
12			use function array_keys;
13			use function array_values;
14			use function gettype;
15			use function is_array;
16			use function is_bool;
17			use function is_string;
18			use function Safe\sprintf;
19
20			final class ConfigurationWhitelistFactory
21			{
22			private RegexChecker $regexChecker;
23
24			public function __construct(RegexChecker $regexChecker)
25			{
26			$this->regexChecker = $regexChecker;
27			}
28
29			public function createSymbolsConfiguration(array $config): SymbolsConfiguration
30			{
31			[
32			$excludedNamespaceRegexes,
33			$excludedNamespaceNames,
34			] = $this->retrieveExcludedNamespaces($config);
35
36			$exposedElements = self::retrieveExposedElements($config);
37
38			$exposeGlobalConstants = self::retrieveExposeGlobalSymbol(
39			$config,
40			ConfigurationKeys::EXPOSE_GLOBAL_CONSTANTS_KEYWORD,
41			);
42			$exposeGlobalClasses = self::retrieveExposeGlobalSymbol(
43			$config,
44			ConfigurationKeys::EXPOSE_GLOBAL_CLASSES_KEYWORD,
45			);
46			$exposeGlobalFunctions = self::retrieveExposeGlobalSymbol(
47			$config,
48			ConfigurationKeys::EXPOSE_GLOBAL_FUNCTIONS_KEYWORD,
49			);
50
51			return SymbolsConfiguration::fromWhitelist(
52			Whitelist::create(
53			$exposeGlobalConstants,
54			$exposeGlobalClasses,
55			$exposeGlobalFunctions,
56			$excludedNamespaceRegexes,
57			$excludedNamespaceNames,
58			...$exposedElements,
59			),
60			);
61			}
62
63			/**
64			* @return array{string[], string[]}
			0 ignored issues – show Documentation Bug introduced 2021-07-16 20:55 UTC by Report Bug Copy Issue Report The doc comment `array{string[], string[]}` at position `2` could not be parsed: Expected ':' at position 2, but found 'string'. Loading history...
65			*/
66			private function retrieveExcludedNamespaces(array $config): array
67			{
68			$key = ConfigurationKeys::EXCLUDE_NAMESPACES_KEYWORD;
69
70			if (!array_key_exists($key, $config)) {
71			return [[], []];
72			}
73
74			$regexesAndNamespaceNames = $config[$key];
75
76			if (!is_array($regexesAndNamespaceNames)) {
77			throw new InvalidArgumentException(
78			sprintf(
79			'Expected "%s" to be an array of strings, got "%s" instead.',
80			$key,
81			gettype($regexesAndNamespaceNames),
82			),
83			);
84			}
85
86			// Store the strings in the keys for avoiding a unique check later on
87			$regexes = [];
88			$namespaceNames = [];
89
90			foreach ($regexesAndNamespaceNames as $index => $regexOrNamespaceName) {
91			if (!is_string($regexOrNamespaceName)) {
92			throw new InvalidArgumentException(
93			sprintf(
94			'Expected "%s" to be an array of strings, got "%s" for the element with the index "%s".',
95			$key,
96			gettype($regexOrNamespaceName),
97			$index,
98			),
99			);
100			}
101
102			if (!$this->regexChecker->isRegexLike($regexOrNamespaceName)) {
103			$namespaceNames[$regexOrNamespaceName] = null;
104
105			continue;
106			}
107
108			$excludeNamespaceRegex = $regexOrNamespaceName;
109
110			$errorMessage = $this->regexChecker->validateRegex($excludeNamespaceRegex);
111
112			if (null !== $errorMessage) {
113			throw new InvalidArgumentException(
114			sprintf(
115			'Expected "%s" to be an array of valid regexes. The element "%s" with the index "%s" is not: %s.',
116			$key,
117			$excludeNamespaceRegex,
118			$index,
119			$errorMessage,
120			),
121			);
122			}
123
124			// Ensure namespace comparisons are always case-insensitive
125			// TODO: double check that we are not adding it twice or that adding it twice does not break anything
126			$excludeNamespaceRegex .= 'i';
127			$regexes[$excludeNamespaceRegex] = null;
128			}
129
130			return [
131			array_keys($regexes),
132			array_keys($namespaceNames),
133			];
134			}
135
136			/**
137			* return list<string>
138			*/
139			private static function retrieveExposedElements(array $config): array
140			{
141			$key = ConfigurationKeys::WHITELIST_KEYWORD;
142
143			if (!array_key_exists($key, $config)) {
144			return [];
145			}
146
147			$whitelist = $config[$key];
148
149			if (!is_array($whitelist)) {
150			throw new InvalidArgumentException(
151			sprintf(
152			'Expected "%s" to be an array of strings, found "%s" instead.',
153			$key,
154			gettype($whitelist),
155			),
156			);
157			}
158
159			foreach ($whitelist as $index => $className) {
160			if (is_string($className)) {
161			continue;
162			}
163
164			throw new InvalidArgumentException(
165			sprintf(
166			'Expected whitelist to be an array of string, the "%d" element is not.',
167			$index,
168			),
169			);
170			}
171
172			return array_values($whitelist);
173			}
174
175			private static function retrieveExposeGlobalSymbol(array $config, string $key): bool
176			{
177			if (!array_key_exists($key, $config)) {
178			return false;
179			}
180
181			$value = $config[$key];
182
183			if (!is_bool($value)) {
184			throw new InvalidArgumentException(
185			sprintf(
186			'Expected %s to be a boolean, found "%s" instead.',
187			$key,
188			gettype($value),
189			),
190			);
191			}
192
193			return $value;
194			}
195			}
196

humbug / php-scoper

Pull Request — master (#587)

createSymbolsConfiguration() A

Complexity

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Duplication

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