Configuration::__construct() - Code Metrics - Inspection of "Move Configuration up (#183)" - humbug/php-scoper - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 61518e...62af2e )

by Théo

created 2018-03-01 21:30 UTC

Configuration::__construct() A

↳ Parent: Configuration

Complexity

Conditions	1
Paths	1

Size

Total Lines	11
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
cc	1
eloc	9
nc	1
nop	4
dl	0
loc	11
ccs	0
cts	5
cp	0
crap	2
rs	9.4285
c	0
b	0
f	0

<?php

declare(strict_types=1);

/*
 * This file is part of the humbug/php-scoper package.
 *
 * Copyright (c) 2017 Théo FIDRY <[email protected]>,
 *                    Pádraic Brady <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Humbug\PhpScoper;

use Closure;
use InvalidArgumentException;
use Iterator;
use RuntimeException;
use SplFileInfo;
use Symfony\Component\Finder\Finder;

/**
 * @final
 * TODO: make this class as final as soon as the underlying deprecated class is removed.
 */
class Configuration
{
    private const FINDER_KEYWORD = 'finders';
    private const PATCHERS_KEYWORD = 'patchers';
    private const WHITELIST_KEYWORD = 'whitelist';
    private const GLOBAL_NAMESPACE_KEYWORD = 'global_namespace_whitelist';

    private const KEYWORDS = [
        self::FINDER_KEYWORD,
        self::PATCHERS_KEYWORD,
        self::WHITELIST_KEYWORD,
        self::GLOBAL_NAMESPACE_KEYWORD,
    ];

    private $path;
    private $filesWithContents;
    private $patchers;
    private $whitelist;

    /**
     * @param string|null $path  Absolute path to the configuration file.
     * @param string[]    $paths List of paths to append besides the one configured
     *
     * @return self
     */
    public static function load(string $path = null, array $paths = []): self
    {
        if (null === $path) {
            $config = [];
        } else {
            $config = include $path;

            if (false === is_array($config)) {
                throw new InvalidArgumentException(
                    sprintf(
                        'Expected configuration to be an array, found "%s" instead.',
                        gettype($config)
                    )
                );
            }
        }

        self::validateConfigKeys($config);

        $patchers = self::retrievePatchers($config);
        $whitelist = self::retrieveWhitelist($config);

        $finders = self::retrieveFinders($config);
        $filesFromPaths = self::retrieveFilesFromPaths($paths);
        $filesWithContents = self::retrieveFilesWithContents(chain($filesFromPaths, ...$finders));

        return new self($path, $filesWithContents, $patchers, $whitelist);
    }

    /**
     * @param string|null        $path                        Absolute path to the configuration file loaded.
     * @param [string, string][] $filesWithContents           Array of tuple with the first argument being the file path and the second its contents
     * @param callable[]         $patchers                    List of closures which can alter the content of the files being
     *                                                        scoped.
     * @param string[]           $whitelist                   List of classes that will not be scoped.
     * @param Closure            $globalNamespaceWhitelisters Closure taking a class name from the global namespace as an argument and
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     *                                                        returning a boolean which if `true` means the class should be scoped
     *                                                        (i.e. is ignored) or scoped otherwise.
     */
    private function __construct(
        ?string $path,
        array $filesWithContents,
        array $patchers,
        array $whitelist
    ) {
        $this->path = $path;
        $this->filesWithContents = $filesWithContents;
        $this->patchers = $patchers;
        $this->whitelist = $whitelist;
    }

    public function withPaths(array $paths): self
    {
        $filesWithContents = self::retrieveFilesWithContents(
            chain(
                self::retrieveFilesFromPaths(
                    array_unique($paths)
                )
            )
        );

        return new self(
            $this->path,
            array_merge($this->filesWithContents, $filesWithContents),
            $this->patchers,
            $this->whitelist
        );
    }

    public function getPath(): string
    {
        return $this->path;
    }

    public function getFilesWithContents(): array
    {
        return $this->filesWithContents;
    }

    /**
     * @return callable[]
     */
    public function getPatchers(): array
    {
        return $this->patchers;
    }

    public function getWhitelist(): array
    {
        return $this->whitelist;
    }

    private static function validateConfigKeys(array $config): void
    {
        array_map(
            ['self', 'validateConfigKey'],
            array_keys($config)
        );
    }

    private static function validateConfigKey(string $key): void
    {
        if (false === in_array($key, self::KEYWORDS)) {
            throw new InvalidArgumentException(
                sprintf(
                    'Invalid configuration key value "%s" found.',
                    $key
                )
            );
        }
    }

    private static function retrievePatchers(array $config): array
    {
        if (false === array_key_exists(self::PATCHERS_KEYWORD, $config)) {
            return [];
        }

        $patchers = $config[self::PATCHERS_KEYWORD];

        if (false === is_array($patchers)) {
            throw new InvalidArgumentException(
                sprintf(
                    'Expected patchers to be an array of callables, found "%s" instead.',
                    gettype($patchers)
                )
            );
        }

        foreach ($patchers as $index => $patcher) {
            if (is_callable($patcher)) {
                continue;
            }

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

        return $patchers;
    }

    private static function retrieveWhitelist(array $config): array
    {
        if (false === array_key_exists(self::WHITELIST_KEYWORD, $config)) {
            return [];
        }

        $whitelist = $config[self::WHITELIST_KEYWORD];

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

    private static function retrieveFinders(array $config): array
    {
        if (false === array_key_exists(self::FINDER_KEYWORD, $config)) {
            return [];
        }

        $finders = $config[self::FINDER_KEYWORD];

        if (false === is_array($finders)) {
            throw new InvalidArgumentException(
                sprintf(
                    'Expected finders to be an array of "%s", found "%s" instead.',
                    Finder::class,
                    gettype($finders)
                )
            );
        }

        foreach ($finders as $index => $finder) {
            if ($finder instanceof Finder) {
                continue;
            }

            throw new InvalidArgumentException(
                sprintf(
                    'Expected finders to be an array of "%s", the "%d" element is not.',
                    Finder::class,
                    $index
                )
            );
        }

        return $finders;
    }

    /**
     * @param string[] $paths
     *
     * @return iterable
     */
    private static function retrieveFilesFromPaths(array $paths): iterable
    {
        if ([] === $paths) {
            return [];
        }

        $pathsToSearch = [];
        $filesToAppend = [];

        foreach ($paths as $path) {
            if (false === file_exists($path)) {
                throw new RuntimeException(
                    sprintf(
                        'Could not find the file "%s".',
                        $path
                    )
                );
            }

            if (is_dir($path)) {
                $pathsToSearch[] = $path;
            } else {
                $filesToAppend[] = $path;
            }
        }

        $finder = new Finder();

        $finder->files()
            ->in($pathsToSearch)
            ->append($filesToAppend)
            ->sortByName()
        ;

        return $finder;
    }

    /**
     * @param Iterator $files
     *
     * @return [string, string][] Array of tuple with the first argument being the file path and the second its contents

     */
    private static function retrieveFilesWithContents(Iterator $files): array
    {
        return array_reduce(
            iterator_to_array($files),
            function (array $files, SplFileInfo $fileInfo): array {
                $file = $fileInfo->getRealPath();

                if (false === $file) {
                    throw new RuntimeException(
                        sprintf(
                            'Could not find the file "%s".',
                            (string) $fileInfo
                        )
                    );
                }

                if (false === is_readable($file)) {
                    throw new RuntimeException(
                        sprintf(
                            'Could not read the file "%s".',
                            $file
                        )
                    );
                }

                $files[$fileInfo->getRealPath()] = [$fileInfo->getRealPath(), file_get_contents($file)];

                return $files;
            },
            []
        );
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			/*
6			* This file is part of the humbug/php-scoper package.
7			*
8			* Copyright (c) 2017 Théo FIDRY <[email protected]>,
9			* Pádraic Brady <[email protected]>
10			*
11			* For the full copyright and license information, please view the LICENSE
12			* file that was distributed with this source code.
13			*/
14
15			namespace Humbug\PhpScoper;
16
17			use Closure;
18			use InvalidArgumentException;
19			use Iterator;
20			use RuntimeException;
21			use SplFileInfo;
22			use Symfony\Component\Finder\Finder;
23
24			/**
25			* @final
26			* TODO: make this class as final as soon as the underlying deprecated class is removed.
27			*/
28			class Configuration
29			{
30			private const FINDER_KEYWORD = 'finders';
31			private const PATCHERS_KEYWORD = 'patchers';
32			private const WHITELIST_KEYWORD = 'whitelist';
33			private const GLOBAL_NAMESPACE_KEYWORD = 'global_namespace_whitelist';
34
35			private const KEYWORDS = [
36			self::FINDER_KEYWORD,
37			self::PATCHERS_KEYWORD,
38			self::WHITELIST_KEYWORD,
39			self::GLOBAL_NAMESPACE_KEYWORD,
40			];
41
42			private $path;
43			private $filesWithContents;
44			private $patchers;
45			private $whitelist;
46
47			/**
48			* @param string\|null $path Absolute path to the configuration file.
49			* @param string[] $paths List of paths to append besides the one configured
50			*
51			* @return self
52			*/
53			public static function load(string $path = null, array $paths = []): self
54			{
55			if (null === $path) {
56			$config = [];
57			} else {
58			$config = include $path;
59
60			if (false === is_array($config)) {
61			throw new InvalidArgumentException(
62			sprintf(
63			'Expected configuration to be an array, found "%s" instead.',
64			gettype($config)
65			)
66			);
67			}
68			}
69
70			self::validateConfigKeys($config);
71
72			$patchers = self::retrievePatchers($config);
73			$whitelist = self::retrieveWhitelist($config);
74
75			$finders = self::retrieveFinders($config);
76			$filesFromPaths = self::retrieveFilesFromPaths($paths);
77			$filesWithContents = self::retrieveFilesWithContents(chain($filesFromPaths, ...$finders));
78
79			return new self($path, $filesWithContents, $patchers, $whitelist);
80			}
81
82			/**
83			* @param string\|null $path Absolute path to the configuration file loaded.
84			* @param [string, string][] $filesWithContents Array of tuple with the first argument being the file path and the second its contents
85			* @param callable[] $patchers List of closures which can alter the content of the files being
86			* scoped.
87			* @param string[] $whitelist List of classes that will not be scoped.
88			* @param Closure $globalNamespaceWhitelisters Closure taking a class name from the global namespace as an argument and
			0 ignored issues – show Documentation introduced 2018-02-15 22:06 UTC by Report Bug Copy Issue Report There is no parameter named `$globalNamespaceWhitelisters`. Did you maybe mean `$whitelist`? This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function. It has, however, found a similar but not annotated parameter which might be a good fit. Consider the following example. The parameter `$ireland` is not defined by the method `finale(...)`. /** * @param array $germany * @param array $ireland */ function finale($germany, $island) { return "2:1"; } The most likely cause is that the parameter was changed, but the annotation was not. Loading history...
89			* returning a boolean which if `true` means the class should be scoped
90			* (i.e. is ignored) or scoped otherwise.
91			*/
92			private function __construct(
93			?string $path,
94			array $filesWithContents,
95			array $patchers,
96			array $whitelist
97			) {
98			$this->path = $path;
99			$this->filesWithContents = $filesWithContents;
100			$this->patchers = $patchers;
101			$this->whitelist = $whitelist;
102			}
103
104			public function withPaths(array $paths): self
105			{
106			$filesWithContents = self::retrieveFilesWithContents(
107			chain(
108			self::retrieveFilesFromPaths(
109			array_unique($paths)
110			)
111			)
112			);
113
114			return new self(
115			$this->path,
116			array_merge($this->filesWithContents, $filesWithContents),
117			$this->patchers,
118			$this->whitelist
119			);
120			}
121
122			public function getPath(): string
123			{
124			return $this->path;
125			}
126
127			public function getFilesWithContents(): array
128			{
129			return $this->filesWithContents;
130			}
131
132			/**
133			* @return callable[]
134			*/
135			public function getPatchers(): array
136			{
137			return $this->patchers;
138			}
139
140			public function getWhitelist(): array
141			{
142			return $this->whitelist;
143			}
144
145			private static function validateConfigKeys(array $config): void
146			{
147			array_map(
148			['self', 'validateConfigKey'],
149			array_keys($config)
150			);
151			}
152
153			private static function validateConfigKey(string $key): void
154			{
155			if (false === in_array($key, self::KEYWORDS)) {
156			throw new InvalidArgumentException(
157			sprintf(
158			'Invalid configuration key value "%s" found.',
159			$key
160			)
161			);
162			}
163			}
164
165			private static function retrievePatchers(array $config): array
166			{
167			if (false === array_key_exists(self::PATCHERS_KEYWORD, $config)) {
168			return [];
169			}
170
171			$patchers = $config[self::PATCHERS_KEYWORD];
172
173			if (false === is_array($patchers)) {
174			throw new InvalidArgumentException(
175			sprintf(
176			'Expected patchers to be an array of callables, found "%s" instead.',
177			gettype($patchers)
178			)
179			);
180			}
181
182			foreach ($patchers as $index => $patcher) {
183			if (is_callable($patcher)) {
184			continue;
185			}
186
187			throw new InvalidArgumentException(
188			sprintf(
189			'Expected patchers to be an array of callables, the "%d" element is not.',
190			$index
191			)
192			);
193			}
194
195			return $patchers;
196			}
197
198			private static function retrieveWhitelist(array $config): array
199			{
200			if (false === array_key_exists(self::WHITELIST_KEYWORD, $config)) {
201			return [];
202			}
203
204			$whitelist = $config[self::WHITELIST_KEYWORD];
205
206			if (false === is_array($whitelist)) {
207			throw new InvalidArgumentException(
208			sprintf(
209			'Expected whitelist to be an array of strings, found "%s" instead.',
210			gettype($whitelist)
211			)
212			);
213			}
214
215			foreach ($whitelist as $index => $className) {
216			if (is_string($className)) {
217			continue;
218			}
219
220			throw new InvalidArgumentException(
221			sprintf(
222			'Expected whitelist to be an array of string, the "%d" element is not.',
223			$index
224			)
225			);
226			}
227
228			return $whitelist;
229			}
230
231			private static function retrieveFinders(array $config): array
232			{
233			if (false === array_key_exists(self::FINDER_KEYWORD, $config)) {
234			return [];
235			}
236
237			$finders = $config[self::FINDER_KEYWORD];
238
239			if (false === is_array($finders)) {
240			throw new InvalidArgumentException(
241			sprintf(
242			'Expected finders to be an array of "%s", found "%s" instead.',
243			Finder::class,
244			gettype($finders)
245			)
246			);
247			}
248
249			foreach ($finders as $index => $finder) {
250			if ($finder instanceof Finder) {
251			continue;
252			}
253
254			throw new InvalidArgumentException(
255			sprintf(
256			'Expected finders to be an array of "%s", the "%d" element is not.',
257			Finder::class,
258			$index
259			)
260			);
261			}
262
263			return $finders;
264			}
265
266			/**
267			* @param string[] $paths
268			*
269			* @return iterable
270			*/
271			private static function retrieveFilesFromPaths(array $paths): iterable
272			{
273			if ([] === $paths) {
274			return [];
275			}
276
277			$pathsToSearch = [];
278			$filesToAppend = [];
279
280			foreach ($paths as $path) {
281			if (false === file_exists($path)) {
282			throw new RuntimeException(
283			sprintf(
284			'Could not find the file "%s".',
285			$path
286			)
287			);
288			}
289
290			if (is_dir($path)) {
291			$pathsToSearch[] = $path;
292			} else {
293			$filesToAppend[] = $path;
294			}
295			}
296
297			$finder = new Finder();
298
299			$finder->files()
300			->in($pathsToSearch)
301			->append($filesToAppend)
302			->sortByName()
303			;
304
305			return $finder;
306			}
307
308			/**
309			* @param Iterator $files
310			*
311			* @return [string, string][] Array of tuple with the first argument being the file path and the second its contents
			0 ignored issues – show Documentation introduced 2018-01-31 22:28 UTC by Report Bug Copy Issue Report The doc-type `string,">[string,` could not be parsed: Unknown type name "[" at position 0. [(view supported doc-types) This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types. Loading history...
312			*/
313			private static function retrieveFilesWithContents(Iterator $files): array
314			{
315			return array_reduce(
316			iterator_to_array($files),
317			function (array $files, SplFileInfo $fileInfo): array {
318			$file = $fileInfo->getRealPath();
319
320			if (false === $file) {
321			throw new RuntimeException(
322			sprintf(
323			'Could not find the file "%s".',
324			(string) $fileInfo
325			)
326			);
327			}
328
329			if (false === is_readable($file)) {
330			throw new RuntimeException(
331			sprintf(
332			'Could not read the file "%s".',
333			$file
334			)
335			);
336			}
337
338			$files[$fileInfo->getRealPath()] = [$fileInfo->getRealPath(), file_get_contents($file)];
339
340			return $files;
341			},
342			[]
343			);
344			}
345			}
346

humbug / php-scoper

Push — master ( 61518e...62af2e )

Configuration::__construct() A

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