Generator::generateMapping() - Code Metrics - Inspection of "Update composer.lock" - ericsizemore/mimey - Measure and Improve Code Quality continuously with Scrutinizer

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by Eric

created 2024-02-12 05:50 UTC

Generator::generateMapping() B

↳ Parent: Generator

Complexity

Conditions	8
Paths	10

Size

Total Lines	33
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	19
CRAP Score	8

Importance

Changes

Metric	Value
cc	8
eloc	18
nc	10
nop	0
dl	0
loc	33
rs	8.4444
c	0
b	0
f	0
ccs	19
cts	19
cp	1
crap	8

<?php

declare(strict_types=1);

/**
 * Mimey - PHP package for converting file extensions to MIME types and vice versa.
 *
 * @author    Eric Sizemore <[email protected]>
 * @version   2.0.0
 * @copyright (C) 2023-2024 Eric Sizemore
 * @license   The MIT License (MIT)
 *
 * Copyright (C) 2023-2024 Eric Sizemore<https://www.secondversion.com/>.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

/**
 * Esi\Mimey is a fork of Elephox\Mimey (https://github.com/elephox-dev/mimey) which is:
 *     Copyright (c) 2022 Ricardo Boss
 * Elephox\Mimey is a fork of ralouphie/mimey (https://github.com/ralouphie/mimey) which is:
 *     Copyright (c) 2016 Ralph Khattar
 */

namespace Esi\Mimey\Mapping;

use Esi\Mimey\Interface\MimeType;

// Exceptions
use JsonException;

// Functions & constants
use function preg_replace;
use function ucfirst;
use function ucwords;
use function str_replace;
use function sprintf;
use function file_get_contents;
use function dirname;
use function json_encode;
use function array_unique;
use function trim;
use function explode;
use function count;
use function array_values;
use function array_filter;

use const JSON_THROW_ON_ERROR;
use const JSON_PRETTY_PRINT;

/**
 * Generates a mapping for use in the MimeTypes class.
 *
 * Reads text in the format of httpd's mime.types and generates a PHP array containing the mappings.
 *
 * The psalm-type looks gnarly, but it covers just about everything.
 *
 * @psalm-type MimeTypeMap = array{
 *    mimes?: array<
 *        non-empty-string|string, list<non-empty-string>|array<int<0, max>, string>
 *    >|non-empty-array<
 *        non-falsy-string|string, non-empty-array<0, non-falsy-string>|array<int<0, max>, string>
 *    >,
 *    extensions?: array<
 *        non-empty-string, list<non-empty-string>
 *     >|non-empty-array<
 *        string|non-falsy-string, array<int<0, max>, string>|non-empty-array<0, non-falsy-string>
 *    >|array<
 *        string, array<int<0, max>, string>
 *    >
 * }
 */
class Generator
{
    /**
     * @var  MimeTypeMap|array{}  $mapCache
filter:
    dependency_paths: ["lib/*"]
     */
    protected array $mapCache = [];

    /**
     * Create a new generator instance with the given mime.types text.
     *
     * @param  non-empty-string  $mimeTypesText  The text from the mime.types file.
     */
    public function __construct(protected string $mimeTypesText) {}

    /**
     * Read the given mime.types text and return a mapping compatible with the MimeTypes class.
     *
     * @return  MimeTypeMap|array{}  The mapping.
     */
    public function generateMapping(): array
    {
        if ($this->mapCache !== []) {
            return $this->mapCache;
        }

        $lines = explode("\n", $this->mimeTypesText);

        foreach ($lines as $line) {
            /** @var string $line **/
            $line = preg_replace('~#.*~', '', $line);
            $line = trim($line);

            $parts = $line !== '' ? array_values(array_filter(explode("\t", $line))) : [];

            if (count($parts) === 2) {
                $mime       = trim($parts[0]);
                $extensions = explode(' ', $parts[1]);

                foreach ($extensions as $extension) {
                    $extension = trim($extension);

                    if ($mime !== '' && $extension !== '') {
                        $this->mapCache['mimes'][$extension][] = $mime;
                        $this->mapCache['extensions'][$mime][] = $extension;
                        $this->mapCache['mimes'][$extension]   = array_unique($this->mapCache['mimes'][$extension]);
                        $this->mapCache['extensions'][$mime]   = array_unique($this->mapCache['extensions'][$mime]);
                    }
                }
            }
        }

        return $this->mapCache;
    }

    /**
     * Generate the JSON from the mapCache.
     *
     * @param   bool              $minify  Whether to minify the generated JSON.
     * @return  non-empty-string
     *
     * @throws JsonException
     */
    public function generateJson(bool $minify = true): string
    {
        return json_encode($this->generateMapping(), flags: JSON_THROW_ON_ERROR | ($minify ? 0 : JSON_PRETTY_PRINT));
    }

    /**
     * Generates the PHP Enum found in `dist`.
     *
     * @param   non-empty-string         $classname
     * @param   non-empty-string         $namespace
     * @return  non-empty-string|string
     */
    public function generatePhpEnum(string $classname = 'MimeType', string $namespace = 'Esi\Mimey'): string
    {
        $values = [
            'namespace'       => $namespace,
            'classname'       => $classname,
            'interface_usage' => $namespace !== __NAMESPACE__ ? ('use ' . MimeType::class . " as MimeTypeInterface;\n") : '',
            'cases'           => '',
            'type2ext'        => '',
            'ext2type'        => '',
        ];

        /** @var string $stub **/
        $stub = file_get_contents(dirname(__DIR__, 2) . '/stubs/mimeType.php.stub');

        $mapping = $this->generateMapping();
        $nameMap = [];

        foreach ($mapping['extensions'] as $mime => $extensions) { // @phpstan-ignore-line
            $nameMap[$mime] = $this->convertMimeTypeToCaseName($mime);

            $values['cases'] .= sprintf("    case %s = '%s';\n", $nameMap[$mime], $mime);
            $values['type2ext'] .= sprintf("            self::%s => '%s',\n", $nameMap[$mime], $extensions[0]);
        }

        foreach ($mapping['mimes'] as $extension => $mimes) { // @phpstan-ignore-line
            $values['ext2type'] .= sprintf("            '%s' => self::%s,\n", $extension, $nameMap[$mimes[0]]);
        }

        foreach ($values as $name => $value) {
            $stub = str_replace("%$name%", $value, $stub);
        }

        return $stub;
    }

    /**
     * @param non-empty-string|string $mimeType
     */
    protected function convertMimeTypeToCaseName(string $mimeType): string
    {
        // @phpstan-ignore-next-line
        return preg_replace('/([\/\-_+.]+)/', '', ucfirst(ucwords($mimeType, '/-_+.')));
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		/**
6		* Mimey - PHP package for converting file extensions to MIME types and vice versa.
7		*
8		* @author Eric Sizemore <[email protected]>
9		* @version 2.0.0
10		* @copyright (C) 2023-2024 Eric Sizemore
11		* @license The MIT License (MIT)
12		*
13		* Copyright (C) 2023-2024 Eric Sizemore<https://www.secondversion.com/>.
14		*
15		* Permission is hereby granted, free of charge, to any person obtaining a copy
16		* of this software and associated documentation files (the "Software"), to
17		* deal in the Software without restriction, including without limitation the
18		* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
19		* sell copies of the Software, and to permit persons to whom the Software is
20		* furnished to do so, subject to the following conditions:
21		*
22		* The above copyright notice and this permission notice shall be included in
23		* all copies or substantial portions of the Software.
24		*
25		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
26		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
27		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
28		* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
29		* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
30		* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
31		* THE SOFTWARE.
32		*/
33
34		/**
35		* Esi\Mimey is a fork of Elephox\Mimey (https://github.com/elephox-dev/mimey) which is:
36		* Copyright (c) 2022 Ricardo Boss
37		* Elephox\Mimey is a fork of ralouphie/mimey (https://github.com/ralouphie/mimey) which is:
38		* Copyright (c) 2016 Ralph Khattar
39		*/
40
41		namespace Esi\Mimey\Mapping;
42
43		use Esi\Mimey\Interface\MimeType;
44
45		// Exceptions
46		use JsonException;
47
48		// Functions & constants
49		use function preg_replace;
50		use function ucfirst;
51		use function ucwords;
52		use function str_replace;
53		use function sprintf;
54		use function file_get_contents;
55		use function dirname;
56		use function json_encode;
57		use function array_unique;
58		use function trim;
59		use function explode;
60		use function count;
61		use function array_values;
62		use function array_filter;
63
64		use const JSON_THROW_ON_ERROR;
65		use const JSON_PRETTY_PRINT;
66
67		/**
68		* Generates a mapping for use in the MimeTypes class.
69		*
70		* Reads text in the format of httpd's mime.types and generates a PHP array containing the mappings.
71		*
72		* The psalm-type looks gnarly, but it covers just about everything.
73		*
74		* @psalm-type MimeTypeMap = array{
75		* mimes?: array<
76		* non-empty-string\|string, list<non-empty-string>\|array<int<0, max>, string>
77		* >\|non-empty-array<
78		* non-falsy-string\|string, non-empty-array<0, non-falsy-string>\|array<int<0, max>, string>
79		* >,
80		* extensions?: array<
81		* non-empty-string, list<non-empty-string>
82		* >\|non-empty-array<
83		* string\|non-falsy-string, array<int<0, max>, string>\|non-empty-array<0, non-falsy-string>
84		* >\|array<
85		* string, array<int<0, max>, string>
86		* >
87		* }
88		*/
89		class Generator
90		{
91		/**
92		* @var MimeTypeMap\|array{} $mapCache
		1 ignored issue – show Bug introduced 2024-02-12 06:03 UTC by Report Bug Copy Issue Report The type `Esi\Mimey\Mapping\MimeTypeMap` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
93		*/
94		protected array $mapCache = [];
95
96		/**
97		* Create a new generator instance with the given mime.types text.
98		*
99		* @param non-empty-string $mimeTypesText The text from the mime.types file.
100		*/
101	3	public function __construct(protected string $mimeTypesText) {}
102
103		/**
104		* Read the given mime.types text and return a mapping compatible with the MimeTypes class.
105		*
106		* @return MimeTypeMap\|array{} The mapping.
107		*/
108	3	public function generateMapping(): array
109		{
110	3	if ($this->mapCache !== []) {
111	1	return $this->mapCache;
112		}
113
114	3	$lines = explode("\n", $this->mimeTypesText);
115
116	3	foreach ($lines as $line) {
117		/ @var string $line /
118	3	$line = preg_replace('~#.*~', '', $line);
119	3	$line = trim($line);
120
121	3	$parts = $line !== '' ? array_values(array_filter(explode("\t", $line))) : [];
122
123	3	if (count($parts) === 2) {
124	3	$mime = trim($parts[0]);
125	3	$extensions = explode(' ', $parts[1]);
126
127	3	foreach ($extensions as $extension) {
128	3	$extension = trim($extension);
129
130	3	if ($mime !== '' && $extension !== '') {
131	3	$this->mapCache['mimes'][$extension][] = $mime;
132	3	$this->mapCache['extensions'][$mime][] = $extension;
133	3	$this->mapCache['mimes'][$extension] = array_unique($this->mapCache['mimes'][$extension]);
134	3	$this->mapCache['extensions'][$mime] = array_unique($this->mapCache['extensions'][$mime]);
135		}
136		}
137		}
138		}
139
140	3	return $this->mapCache;
141		}
142
143		/**
144		* Generate the JSON from the mapCache.
145		*
146		* @param bool $minify Whether to minify the generated JSON.
147		* @return non-empty-string
148		*
149		* @throws JsonException
150		*/
151	1	public function generateJson(bool $minify = true): string
152		{
153	1	return json_encode($this->generateMapping(), flags: JSON_THROW_ON_ERROR \| ($minify ? 0 : JSON_PRETTY_PRINT));
154		}
155
156		/**
157		* Generates the PHP Enum found in `dist`.
158		*
159		* @param non-empty-string $classname
160		* @param non-empty-string $namespace
161		* @return non-empty-string\|string
162		*/
163	1	public function generatePhpEnum(string $classname = 'MimeType', string $namespace = 'Esi\Mimey'): string
164		{
165	1	$values = [
166	1	'namespace' => $namespace,
167	1	'classname' => $classname,
168	1	'interface_usage' => $namespace !== __NAMESPACE__ ? ('use ' . MimeType::class . " as MimeTypeInterface;\n") : '',
169	1	'cases' => '',
170	1	'type2ext' => '',
171	1	'ext2type' => '',
172	1	];
173
174		/ @var string $stub /
175	1	$stub = file_get_contents(dirname(__DIR__, 2) . '/stubs/mimeType.php.stub');
176
177	1	$mapping = $this->generateMapping();
178	1	$nameMap = [];
179
180	1	foreach ($mapping['extensions'] as $mime => $extensions) { // @phpstan-ignore-line
181	1	$nameMap[$mime] = $this->convertMimeTypeToCaseName($mime);
182
183	1	$values['cases'] .= sprintf(" case %s = '%s';\n", $nameMap[$mime], $mime);
184	1	$values['type2ext'] .= sprintf(" self::%s => '%s',\n", $nameMap[$mime], $extensions[0]);
185		}
186
187	1	foreach ($mapping['mimes'] as $extension => $mimes) { // @phpstan-ignore-line
188	1	$values['ext2type'] .= sprintf(" '%s' => self::%s,\n", $extension, $nameMap[$mimes[0]]);
189		}
190
191	1	foreach ($values as $name => $value) {
192	1	$stub = str_replace("%$name%", $value, $stub);
193		}
194
195	1	return $stub;
196		}
197
198		/**
199		* @param non-empty-string\|string $mimeType
200		*/
201	1	protected function convertMimeTypeToCaseName(string $mimeType): string
202		{
203		// @phpstan-ignore-next-line
204	1	return preg_replace('/([\/\-_+.]+)/', '', ucfirst(ucwords($mimeType, '/-_+.')));
205		}
206		}
207

ericsizemore / mimey

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Generator::generateMapping() B

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