LocateSourcesViaComposerJson::__invoke() - Code Metrics - Inspection of "Automate source directory detection via `composer...." - Roave/BackwardCompatibilityCheck - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#102)

by Marco

created 2018-08-22 19:34 UTC

LocateSourcesViaComposerJson::__invoke() A

↳ Parent: LocateSourcesViaComposerJson

Complexity

Conditions	1
Paths	1

Size

Total Lines	56
Code Lines	34

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	34
nc	1
nop	1
dl	0
loc	56
rs	9.376
c	0
b	0
f	0

How to fix Long Method

<?php

declare(strict_types=1);

namespace Roave\BackwardCompatibility\LocateSources;

use Assert\Assert;
use Roave\BetterReflection\SourceLocator\Ast\Locator;
use Roave\BetterReflection\SourceLocator\Type\AggregateSourceLocator;
use Roave\BetterReflection\SourceLocator\Type\DirectoriesSourceLocator;
use Roave\BetterReflection\SourceLocator\Type\SingleFileSourceLocator;
use Roave\BetterReflection\SourceLocator\Type\SourceLocator;
use function array_filter;
use function array_map;
use function array_merge;
use function array_values;
use function file_get_contents;
use function is_array;
use function is_dir;
use function is_file;
use function json_decode;
use function ltrim;
use function realpath;
use function strpos;
use function substr;

final class LocateSourcesViaComposerJson implements LocateSources
{
    /** @var Locator */
    private $astLocator;

    public function __construct(Locator $astLocator)
    {
        $this->astLocator = $astLocator;
    }

    public function __invoke(string $installationPath) : SourceLocator
    {
        $realInstallationPath = realpath($installationPath);

        Assert::that($realInstallationPath)->string();

        $composerJsonPath = $realInstallationPath . '/composer.json';

        Assert::that($composerJsonPath)
              ->file()
              ->readable();

        $composerDefinitionString = file_get_contents($composerJsonPath);

        Assert::that($composerDefinitionString)->string();

        $composerDefinition = json_decode($composerDefinitionString, true);

        Assert::that($composerDefinition)->isArray();

        $autoloadDefinition = $composerDefinition['autoload'] ?? [];

        Assert::that($autoloadDefinition)->isArray();

        $prependInstallationPath = $this->prependInstallationPath($realInstallationPath);

        return new AggregateSourceLocator(array_merge(
            [
                new DirectoriesSourceLocator(
                    array_map(
                        $prependInstallationPath,
                        array_merge(
                            $this->psr0Directories($autoloadDefinition),
                            $this->psr4Directories($autoloadDefinition),
                            $this->classMapDirectories($autoloadDefinition, $installationPath)
                        )
                    ),
                    $this->astLocator
                ),
            ],
            array_map(
                function (string $path) : SourceLocator {
                    return new SingleFileSourceLocator($path, $this->astLocator);
                },
                array_map(
                    $prependInstallationPath,
                    $this->classMapFiles($autoloadDefinition, $installationPath)
                )
            ),
            array_map(
                function (string $path) : SourceLocator {
                    return new SingleFileSourceLocator($path, $this->astLocator);
                },
                array_map(
                    $prependInstallationPath,
                    $this->files($autoloadDefinition)
                )
            )
        ));
    }

    /**
     * @param mixed[] $autoloadDefinition
     *
     * @return string[]
     */
    private function classMapDirectories(array $autoloadDefinition, string $installationPath) : array
    {
        return array_values(array_filter(
            $autoloadDefinition['classmap'] ?? [],
            function (string $path) use ($installationPath) : bool {
                $filePath = ($this->prependInstallationPath($installationPath))($path);

                return is_dir($filePath);
            }
        ));
    }

    /**
     * @param mixed[] $autoloadDefinition
     *
     * @return string[]
     */
    private function classMapFiles(array $autoloadDefinition, string $installationPath) : array
    {
        return array_values(array_filter(
            $autoloadDefinition['classmap'] ?? [],
            function (string $path) use ($installationPath) : bool {
                $filePath = ($this->prependInstallationPath($installationPath))($path);

                return is_file($filePath);
            }
        ));
    }

    /**
     * @param mixed[] $autoloadDefinition
     *
     * @return string[]
     */
    private function files(array $autoloadDefinition) : array
    {
        return array_values($autoloadDefinition['files'] ?? []);
    }

    /**
     * @param mixed[] $autoloadDefinition
     *
     * @return string[]
     */
    private function psr0Directories(array $autoloadDefinition) : array
    {
        return array_merge(
            [],
            ...array_values(array_map([$this, 'stringToArray'], $autoloadDefinition['psr-0'] ?? []))
        );
    }

    /**
     * @param mixed[] $autoloadDefinition
     *
     * @return string[]
     */
    private function psr4Directories(array $autoloadDefinition) : array
    {
        return array_merge(
            [],
            ...array_values(array_map([$this, 'stringToArray'], $autoloadDefinition['psr-4'] ?? []))
        );
    }

    /** @return callable (string $path) : string */
    private function prependInstallationPath(string $installationPath) : callable
    {
        return function (string $path) use ($installationPath) : string {
            if (strpos($path, './') === 0) {
                return $installationPath . '/' . substr($path, 2);
            }

            return $installationPath . '/' . ltrim($path, '/');
        };
    }

    /**
     * @param string|string[] $entry
     *
     * @return string[]
     */
    private function stringToArray($entry) : array
    {
        if (is_array($entry)) {
            return array_values($entry);
        }

        return [$entry];
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Roave\BackwardCompatibility\LocateSources;
6
7			use Assert\Assert;
8			use Roave\BetterReflection\SourceLocator\Ast\Locator;
9			use Roave\BetterReflection\SourceLocator\Type\AggregateSourceLocator;
10			use Roave\BetterReflection\SourceLocator\Type\DirectoriesSourceLocator;
11			use Roave\BetterReflection\SourceLocator\Type\SingleFileSourceLocator;
12			use Roave\BetterReflection\SourceLocator\Type\SourceLocator;
13			use function array_filter;
14			use function array_map;
15			use function array_merge;
16			use function array_values;
17			use function file_get_contents;
18			use function is_array;
19			use function is_dir;
20			use function is_file;
21			use function json_decode;
22			use function ltrim;
23			use function realpath;
24			use function strpos;
25			use function substr;
26
27			final class LocateSourcesViaComposerJson implements LocateSources
28			{
29			/** @var Locator */
30			private $astLocator;
31
32			public function __construct(Locator $astLocator)
33			{
34			$this->astLocator = $astLocator;
35			}
36
37			public function __invoke(string $installationPath) : SourceLocator
38			{
39			$realInstallationPath = realpath($installationPath);
40
41			Assert::that($realInstallationPath)->string();
42
43			$composerJsonPath = $realInstallationPath . '/composer.json';
44
45			Assert::that($composerJsonPath)
46			->file()
47			->readable();
48
49			$composerDefinitionString = file_get_contents($composerJsonPath);
50
51			Assert::that($composerDefinitionString)->string();
52
53			$composerDefinition = json_decode($composerDefinitionString, true);
54
55			Assert::that($composerDefinition)->isArray();
56
57			$autoloadDefinition = $composerDefinition['autoload'] ?? [];
58
59			Assert::that($autoloadDefinition)->isArray();
60
61			$prependInstallationPath = $this->prependInstallationPath($realInstallationPath);
62
63			return new AggregateSourceLocator(array_merge(
64			[
65			new DirectoriesSourceLocator(
66			array_map(
67			$prependInstallationPath,
68			array_merge(
69			$this->psr0Directories($autoloadDefinition),
70			$this->psr4Directories($autoloadDefinition),
71			$this->classMapDirectories($autoloadDefinition, $installationPath)
72			)
73			),
74			$this->astLocator
75			),
76			],
77			array_map(
78			function (string $path) : SourceLocator {
79			return new SingleFileSourceLocator($path, $this->astLocator);
80			},
81			array_map(
82			$prependInstallationPath,
83			$this->classMapFiles($autoloadDefinition, $installationPath)
84			)
85			),
86			array_map(
87			function (string $path) : SourceLocator {
88			return new SingleFileSourceLocator($path, $this->astLocator);
89			},
90			array_map(
91			$prependInstallationPath,
92			$this->files($autoloadDefinition)
93			)
94			)
95			));
96			}
97
98			/**
99			* @param mixed[] $autoloadDefinition
100			*
101			* @return string[]
102			*/
103			private function classMapDirectories(array $autoloadDefinition, string $installationPath) : array
104			{
105			return array_values(array_filter(
106			$autoloadDefinition['classmap'] ?? [],
107			function (string $path) use ($installationPath) : bool {
108			$filePath = ($this->prependInstallationPath($installationPath))($path);
109
110			return is_dir($filePath);
111			}
112			));
113			}
114
115			/**
116			* @param mixed[] $autoloadDefinition
117			*
118			* @return string[]
119			*/
120			private function classMapFiles(array $autoloadDefinition, string $installationPath) : array
121			{
122			return array_values(array_filter(
123			$autoloadDefinition['classmap'] ?? [],
124			function (string $path) use ($installationPath) : bool {
125			$filePath = ($this->prependInstallationPath($installationPath))($path);
126
127			return is_file($filePath);
128			}
129			));
130			}
131
132			/**
133			* @param mixed[] $autoloadDefinition
134			*
135			* @return string[]
136			*/
137			private function files(array $autoloadDefinition) : array
138			{
139			return array_values($autoloadDefinition['files'] ?? []);
140			}
141
142			/**
143			* @param mixed[] $autoloadDefinition
144			*
145			* @return string[]
146			*/
147			private function psr0Directories(array $autoloadDefinition) : array
148			{
149			return array_merge(
150			[],
151			...array_values(array_map([$this, 'stringToArray'], $autoloadDefinition['psr-0'] ?? []))
152			);
153			}
154
155			/**
156			* @param mixed[] $autoloadDefinition
157			*
158			* @return string[]
159			*/
160			private function psr4Directories(array $autoloadDefinition) : array
161			{
162			return array_merge(
163			[],
164			...array_values(array_map([$this, 'stringToArray'], $autoloadDefinition['psr-4'] ?? []))
165			);
166			}
167
168			/** @return callable (string $path) : string */
169			private function prependInstallationPath(string $installationPath) : callable
170			{
171			return function (string $path) use ($installationPath) : string {
172			if (strpos($path, './') === 0) {
173			return $installationPath . '/' . substr($path, 2);
174			}
175
176			return $installationPath . '/' . ltrim($path, '/');
177			};
178			}
179
180			/**
181			* @param string\|string[] $entry
182			*
183			* @return string[]
184			*/
185			private function stringToArray($entry) : array
186			{
187			if (is_array($entry)) {
188			return array_values($entry);
189			}
190
191			return [$entry];
192			}
193			}
194

Roave / BackwardCompatibilityCheck

Pull Request — master (#102)

LocateSourcesViaComposerJson::__invoke() A

Complexity

Size

Duplication

Importance

How to fix Long Method

Long Method

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