MapUpdater::loadMapFromFreedesktopFile() - Code Metrics - Inspection of "Always be strict in methods and bump PHPStan level..." - FileEye/MimeMap - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( c11447...ba145f )

by mon

created 2022-05-08 12:34 UTC

MapUpdater::loadMapFromFreedesktopFile() F

↳ Parent: MapUpdater

Complexity

Conditions	16
Paths	306

Size

Total Lines	71
Code Lines	39

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	35
CRAP Score	16.2764

Importance

Changes

Metric	Value
cc	16
eloc	39
c	0
b	0
f	0
nc	306
nop	1
dl	0
loc	71
rs	3.4083
ccs	35
cts	39
cp	0.8974
crap	16.2764

How to fix Long Method Complexity

<?php declare(strict_types=1);

namespace FileEye\MimeMap;

use FileEye\MimeMap\Map\EmptyMap;
use FileEye\MimeMap\Map\MimeMapInterface;

/**
 * Compiles the MIME type to file extension map.
 */
class MapUpdater
{
    /**
     * The default, empty, base map to use for update.
     */
    const DEFAULT_BASE_MAP_CLASS = EmptyMap::class;

    /**
     * The map object to update.
     *
     * @var MimeMapInterface
     */
    protected $map;

    /**
     * Returns the default file with override commands to be executed.
     *
     * The YAML file provides an array of calls to MapHandler methods to be
     * executed sequentially. Each entry indicates the method to be invoked and
     * the arguments to be passed in.
     *
     * @return string
     */
    public static function getDefaultMapBuildFile(): string
    {
        return __DIR__ . '/../resources/default_map_build.yml';
    }

    /**
     * Returns the map object being updated.
     *
     * @return MimeMapInterface
     */
    public function getMap(): MimeMapInterface
    {
        return $this->map;
    }

    /**
     * Sets the map object to update.
     *
     * @param string $map_class
     *   The FQCN of the map to be updated.
     *
     * @return $this
     */
    public function selectBaseMap(string $map_class): MapUpdater
    {
        $this->map = MapHandler::map($map_class);
        $this->map->backup();
        return $this;
    }

    /**
     * Loads a new type-to-extension map reading from a file in Apache format.
     *
     * @param string $source_file
     *   The source file. The file must conform to the format in the Apache
     *   source code repository file where MIME types and file extensions are
     *   associated.
     *
     * @return string[]
     *   An array of error messages.
     *
     * @throws \RuntimeException
     *   If it was not possible to access the file.
     */
    public function loadMapFromApacheFile(string $source_file): array
    {
        $errors = [];

        $lines = @file($source_file);
        if ($lines === false) {
            throw new \RuntimeException("Failed accessing {$source_file}");
        }
        foreach ($lines as $line) {
            if ($line[0] == '#') {
                continue;
            }
            $line = preg_replace("#\\s+#", ' ', trim($line));
            if (is_string($line)) {
                $parts = explode(' ', $line);
                $type = array_shift($parts);
                foreach ($parts as $extension) {
                    $this->map->addTypeExtensionMapping($type, $extension);
                }
            } else {
                $errors[] = "Error processing line: $line";
            }
        }
        $this->map->sort();

        return $errors;
    }

    /**
     * Loads a new type-to-extension map reading from a Freedesktop.org file.
     *
     * @param string $source_file
     *   The source file. The file must conform to the format in the
     *   Freedesktop.org database.
     *
     * @return string[]
     *   An array of error messages.
     */
    public function loadMapFromFreedesktopFile(string $source_file): array
    {
        $errors = [];

        $contents = file_get_contents($source_file);
        if ($contents === false) {
            $errors[] = 'Failed loading file ' . $source_file;
            return $errors;
        }

        $xml = simplexml_load_string($contents);
        if ($xml === false) {
            $errors[] = 'Malformed XML in file ' . $source_file;
            return $errors;
        }

        $aliases = [];

        foreach ($xml as $node) {
            $exts = [];
            foreach ($node->glob as $glob) {
                $pattern = (string) $glob['pattern'];
                if ('*' != $pattern[0] || '.' != $pattern[1]) {
                    continue;
                }
                $exts[] = substr($pattern, 2);
            }
            if (empty($exts)) {
                continue;
            }

            $type = (string) $node['type'];

            // Add description.
            if (isset($node->comment)) {
                $this->map->addTypeDescription($type, (string) $node->comment[0]);
            }
            if (isset($node->acronym)) {
                $acronym = (string) $node->acronym;
                if (isset($node->{'expanded-acronym'})) {
                    $acronym .= ': ' . (string) $node->{'expanded-acronym'};
                }
                $this->map->addTypeDescription($type, $acronym);
            }

            // Add extensions.
            foreach ($exts as $ext) {
                $this->map->addTypeExtensionMapping($type, $ext);
            }

            // All aliases are accumulated and processed at the end of the
            // cycle to allow proper consistency checking on the completely
            // developed list of types.
            foreach ($node->alias as $alias) {
                $aliases[$type][] = (string) $alias['type'];
            }
        }

        // Add all the aliases, provide logging of errors.
        foreach ($aliases as $type => $a) {
            foreach ($a as $alias) {
                try {
                    $this->map->addTypeAlias($type, $alias);
                } catch (MappingException $e) {
                    $errors[] = $e->getMessage();
                }
            }
        }
        $this->map->sort();

        return $errors;
    }

    /**
     * Applies to the map an array of overrides.
     *
     * @param array<int,array{0: string, 1: array<string>}> $overrides
     *   The overrides to be applied.
     *
     * @return string[]
     *   An array of error messages.
     */
    public function applyOverrides(array $overrides): array
    {
        $errors = [];

        foreach ($overrides as $command) {
            try {
                $callable = [$this->map, $command[0]];
                assert(is_callable($callable));
                call_user_func_array($callable, $command[1]);
            } catch (MappingException $e) {
                $errors[] = $e->getMessage();
            }
        }
        $this->map->sort();

        return $errors;
    }

    /**
     * Updates the map at a destination PHP file.
     *
     * @return $this
     */
    public function writeMapToPhpClassFile(string $file): MapUpdater
    {
        $content = file_get_contents($file);
        if ($content === false) {
            throw new \RuntimeException('Failed loading file ' . $file);
        }

        $newContent = preg_replace(
            '#protected static \$map = (.+?);#s',
            "protected static \$map = " . preg_replace('/\s+$/m', '', var_export($this->map->getMapArray(), true)) . ";",
            $content
        );
        file_put_contents($file, $newContent);

        return $this;
    }
}


1		<?php declare(strict_types=1);
2
3		namespace FileEye\MimeMap;
4
5		use FileEye\MimeMap\Map\EmptyMap;
6		use FileEye\MimeMap\Map\MimeMapInterface;
7
8		/**
9		* Compiles the MIME type to file extension map.
10		*/
11		class MapUpdater
12		{
13		/**
14		* The default, empty, base map to use for update.
15		*/
16		const DEFAULT_BASE_MAP_CLASS = EmptyMap::class;
17
18		/**
19		* The map object to update.
20		*
21		* @var MimeMapInterface
22		*/
23		protected $map;
24
25		/**
26		* Returns the default file with override commands to be executed.
27		*
28		* The YAML file provides an array of calls to MapHandler methods to be
29		* executed sequentially. Each entry indicates the method to be invoked and
30		* the arguments to be passed in.
31		*
32		* @return string
33		*/
34	1	public static function getDefaultMapBuildFile(): string
35		{
36	1	return __DIR__ . '/../resources/default_map_build.yml';
37		}
38
39		/**
40		* Returns the map object being updated.
41		*
42		* @return MimeMapInterface
43		*/
44	8	public function getMap(): MimeMapInterface
45		{
46	8	return $this->map;
47		}
48
49		/**
50		* Sets the map object to update.
51		*
52		* @param string $map_class
53		* The FQCN of the map to be updated.
54		*
55		* @return $this
56		*/
57	8	public function selectBaseMap(string $map_class): MapUpdater
58		{
59	8	$this->map = MapHandler::map($map_class);
60	8	$this->map->backup();
61	8	return $this;
62		}
63
64		/**
65		* Loads a new type-to-extension map reading from a file in Apache format.
66		*
67		* @param string $source_file
68		* The source file. The file must conform to the format in the Apache
69		* source code repository file where MIME types and file extensions are
70		* associated.
71		*
72		* @return string[]
73		* An array of error messages.
74		*
75		* @throws \RuntimeException
76		* If it was not possible to access the file.
77		*/
78	3	public function loadMapFromApacheFile(string $source_file): array
79		{
80	3	$errors = [];
81
82	3	$lines = @file($source_file);
83	3	if ($lines === false) {
84		throw new \RuntimeException("Failed accessing {$source_file}");
85		}
86	3	foreach ($lines as $line) {
87	2	if ($line[0] == '#') {
88	2	continue;
89		}
90	2	$line = preg_replace("#\\s+#", ' ', trim($line));
91	2	if (is_string($line)) {
92	2	$parts = explode(' ', $line);
93	2	$type = array_shift($parts);
94	2	foreach ($parts as $extension) {
95	2	$this->map->addTypeExtensionMapping($type, $extension);
96		}
97		} else {
98		$errors[] = "Error processing line: $line";
99		}
100		}
101	3	$this->map->sort();
102
103	3	return $errors;
104		}
105
106		/**
107		* Loads a new type-to-extension map reading from a Freedesktop.org file.
108		*
109		* @param string $source_file
110		* The source file. The file must conform to the format in the
111		* Freedesktop.org database.
112		*
113		* @return string[]
114		* An array of error messages.
115		*/
116	3	public function loadMapFromFreedesktopFile(string $source_file): array
117		{
118	3	$errors = [];
119
120	3	$contents = file_get_contents($source_file);
121	3	if ($contents === false) {
122		$errors[] = 'Failed loading file ' . $source_file;
123		return $errors;
124		}
125
126	3	$xml = simplexml_load_string($contents);
127	3	if ($xml === false) {
128		$errors[] = 'Malformed XML in file ' . $source_file;
129		return $errors;
130		}
131
132	3	$aliases = [];
133
134	3	foreach ($xml as $node) {
135	2	$exts = [];
136	2	foreach ($node->glob as $glob) {
137	2	$pattern = (string) $glob['pattern'];
138	2	if ('*' != $pattern[0] \|\| '.' != $pattern[1]) {
139	2	continue;
140		}
141	2	$exts[] = substr($pattern, 2);
142		}
143	2	if (empty($exts)) {
144	2	continue;
145		}
146
147	2	$type = (string) $node['type'];
148
149		// Add description.
150	2	if (isset($node->comment)) {
151	2	$this->map->addTypeDescription($type, (string) $node->comment[0]);
152		}
153	2	if (isset($node->acronym)) {
154	2	$acronym = (string) $node->acronym;
155	2	if (isset($node->{'expanded-acronym'})) {
156	2	$acronym .= ': ' . (string) $node->{'expanded-acronym'};
157		}
158	2	$this->map->addTypeDescription($type, $acronym);
159		}
160
161		// Add extensions.
162	2	foreach ($exts as $ext) {
163	2	$this->map->addTypeExtensionMapping($type, $ext);
164		}
165
166		// All aliases are accumulated and processed at the end of the
167		// cycle to allow proper consistency checking on the completely
168		// developed list of types.
169	2	foreach ($node->alias as $alias) {
170	2	$aliases[$type][] = (string) $alias['type'];
171		}
172		}
173
174		// Add all the aliases, provide logging of errors.
175	3	foreach ($aliases as $type => $a) {
176	2	foreach ($a as $alias) {
177		try {
178	2	$this->map->addTypeAlias($type, $alias);
179	1	} catch (MappingException $e) {
180	1	$errors[] = $e->getMessage();
181		}
182		}
183		}
184	3	$this->map->sort();
185
186	3	return $errors;
187		}
188
189		/**
190		* Applies to the map an array of overrides.
191		*
192		* @param array<int,array{0: string, 1: array<string>}> $overrides
193		* The overrides to be applied.
194		*
195		* @return string[]
196		* An array of error messages.
197		*/
198	3	public function applyOverrides(array $overrides): array
199		{
200	3	$errors = [];
201
202	3	foreach ($overrides as $command) {
203		try {
204	3	$callable = [$this->map, $command[0]];
205	3	assert(is_callable($callable));
206	3	call_user_func_array($callable, $command[1]);
207	1	} catch (MappingException $e) {
208	1	$errors[] = $e->getMessage();
209		}
210		}
211	3	$this->map->sort();
212
213	3	return $errors;
214		}
215
216		/**
217		* Updates the map at a destination PHP file.
218		*
219		* @return $this
220		*/
221	1	public function writeMapToPhpClassFile(string $file): MapUpdater
222		{
223	1	$content = file_get_contents($file);
224	1	if ($content === false) {
225		throw new \RuntimeException('Failed loading file ' . $file);
226		}
227
228	1	$newContent = preg_replace(
229		'#protected static \$map = (.+?);#s',
230	1	"protected static \$map = " . preg_replace('/\s+$/m', '', var_export($this->map->getMapArray(), true)) . ";",
231		$content
232		);
233	1	file_put_contents($file, $newContent);
234
235	1	return $this;
236		}
237		}
238

FileEye / MimeMap

Push — master ( c11447...ba145f )

MapUpdater::loadMapFromFreedesktopFile() F

Complexity

Size

Duplication

Code Coverage

Importance

How to fix Long Method Complexity

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