AbstractMap::removeTypeExtensionMapping() - Code Metrics - FileEye/MimeMap - Measure and Improve Code Quality continuously with Scrutinizer

AbstractMap::removeTypeExtensionMapping() A
last analyzed 2022-05-08 17:28 UTC

↳ Parent: AbstractMap

Complexity

Conditions	3
Paths	4

Size

Total Lines	16
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	11
nc	4
nop	2
dl	0
loc	16
ccs	11
cts	11
cp	1
crap	3
rs	9.9
c	0
b	0
f	0

<?php declare(strict_types=1);

namespace FileEye\MimeMap\Map;

use FileEye\MimeMap\MalformedTypeException;
use FileEye\MimeMap\MappingException;
use FileEye\MimeMap\TypeParser;

/**
 * Abstract class for mapping file extensions to MIME types.
 *
 * This class cannot be instantiated; extend from it to implement a map.
 */
abstract class AbstractMap extends BaseMap implements MimeMapInterface
{
    /**
     * Normalizes a mime-type string to Media/Subtype.
     *
     * @param string $type_string
     *   MIME type string to parse.
     *
     * @throws MalformedTypeException when $type_string is malformed.
     *
     * @return string
     *   A MIME type string in the 'Media/Subtype' format.
     */
    protected function normalizeType(string $type_string): string
    {
        // Media and SubType are separated by a slash '/'.
        $media = TypeParser::parseStringPart($type_string, 0, '/');

        if (!$media['string']) {
            throw new MalformedTypeException('Media type not found');
        }
        if (!$media['delimiter_matched']) {
            throw new MalformedTypeException('Slash \'/\' to separate media type and subtype not found');
        }

        // SubType and Parameters are separated by semicolons ';'.
        $sub = TypeParser::parseStringPart($type_string, $media['end_offset'] + 1, ';');

        if (!$sub['string']) {
            throw new MalformedTypeException('Media subtype not found');
        }

        return strtolower((string) $media['string']) . '/' . strtolower((string) $sub['string']);
    }

    public function hasType(string $type): bool
    {
        $type = $this->normalizeType($type);
        return (bool) $this->getMapEntry('t', $type);
    }

    public function hasAlias(string $alias): bool
    {
        $alias = $this->normalizeType($alias);
        return (bool) $this->getMapEntry('a', $alias);
    }

    public function hasExtension(string $extension): bool
    {
        $extension = strtolower($extension);
        return (bool) $this->getMapEntry('e', $extension);
    }

    public function listTypes(string $match = null): array
    {
        return $this->listEntries('t', $match);
    }

    public function listAliases(string $match = null): array
    {
        return $this->listEntries('a', $match);
    }

    public function listExtensions(string $match = null): array
    {
        return $this->listEntries('e', $match);
    }

    public function addTypeDescription(string $type, string $description): MimeMapInterface
    {
        $type = $this->normalizeType($type);

        // Consistency checks.
        if ($this->hasAlias($type)) {
            throw new MappingException("Cannot add description for '{$type}', '{$type}' is an alias");
        }

        $this->addMapSubEntry('t', $type, 'desc', $description);
        return $this;
    }

    public function addTypeAlias(string $type, string $alias): MimeMapInterface
    {
        $type = $this->normalizeType($type);
        $alias = $this->normalizeType($alias);

        // Consistency checks.
        if (!$this->hasType($type)) {
            throw new MappingException("Cannot set '{$alias}' as alias for '{$type}', '{$type}' not defined");
        }
        if ($this->hasType($alias)) {
            throw new MappingException("Cannot set '{$alias}' as alias for '{$type}', '{$alias}' is already defined as a type");
        }
        if ($this->hasAlias($alias)) {
            $unaliased_types = $this->getAliasTypes($alias);
            if (!empty($unaliased_types) && $unaliased_types[0] !== $type) {
                throw new MappingException("Cannot set '{$alias}' as alias for '{$type}', it is an alias of '{$unaliased_types[0]}' already");
            }
            return $this;
        }

        $this->addMapSubEntry('t', $type, 'a', $alias);
        $this->addMapSubEntry('a', $alias, 't', $type);
        return $this;
    }

    public function addTypeExtensionMapping(string $type, string $extension): MimeMapInterface
    {
        $type = $this->normalizeType($type);
        $extension = strtolower($extension);

        // Consistency checks.
        if ($this->hasAlias($type)) {
            throw new MappingException("Cannot map '{$extension}' to '{$type}', '{$type}' is an alias");
        }

        // Add entry to 't'.
        $this->addMapSubEntry('t', $type, 'e', $extension);

        // Add entry to 'e'.
        $this->addMapSubEntry('e', $extension, 't', $type);

        return $this;
    }

    public function getTypeDescriptions(string $type): array
    {
        $type = $this->normalizeType($type);
        return $this->getMapSubEntry('t', $type, 'desc') ?: [];
    }

    public function getTypeAliases(string $type): array
    {
        $type = $this->normalizeType($type);
        return $this->getMapSubEntry('t', $type, 'a') ?: [];
    }

    public function getTypeExtensions(string $type): array
    {
        $type = $this->normalizeType($type);
        return $this->getMapSubEntry('t', $type, 'e') ?: [];
    }

    public function setTypeDefaultExtension(string $type, string $extension): MimeMapInterface
    {
        $type = $this->normalizeType($type);
        $extension = strtolower($extension);
        return $this->setValueAsDefault('t', $type, 'e', $extension);
    }

    public function removeType(string $type): bool
    {
        $type = $this->normalizeType($type);

        // Return false if type is not found.
        if (!$this->hasType($type)) {
            return false;
        }

        // Loop through all the associated extensions and remove them.
        foreach ($this->getTypeExtensions($type) as $extension) {
            $this->removeTypeExtensionMapping($type, $extension);
        }

        // Loop through all the associated aliases and remove them.
        foreach ($this->getTypeAliases($type) as $alias) {
            $this->removeTypeAlias($type, $alias);
        }

        unset(static::$map['t'][$type]);

        return true;
    }

    public function removeTypeAlias(string $type, string $alias): bool
    {
        $type = $this->normalizeType($type);
        $alias = $this->normalizeType($alias);

        // Remove any extension mapped to the alias.
        if ($extensions = $this->getMapSubEntry('a', $alias, 'e')) {
            foreach ($extensions as $extension) {
                $this->removeMapSubEntry('a', $alias, 'e', $extension);
                $this->removeMapSubEntry('e', $extension, 't', $alias);
            }
        }

        $type_ret = $this->removeMapSubEntry('t', $type, 'a', $alias);
        $alias_ret = $this->removeMapSubEntry('a', $alias, 't', $type);

        return $type_ret && $alias_ret;
    }

    public function removeTypeExtensionMapping(string $type, string $extension): bool
    {
        $type = $this->normalizeType($type);
        $extension = strtolower($extension);

        if ($this->hasAlias($type)) {
            $alias = $type;
            $type_ret = $this->removeMapSubEntry('a', $alias, 'e', $extension);
            $extension_ret = $this->removeMapSubEntry('e', $extension, 't', $alias);
        } else {
            $this->removeAliasedTypesExtensionMapping($type, $extension);
            $type_ret = $this->removeMapSubEntry('t', $type, 'e', $extension);
            $extension_ret = $this->removeMapSubEntry('e', $extension, 't', $type);
        }

        return $type_ret && $extension_ret;
    }

    /**
     * Removes aliased types extension mapping.
     *
     * @param string $type
     *   A MIME type.
     * @param string $extension
     *   The file extension to be removed.
     */
    protected function removeAliasedTypesExtensionMapping(string $type, string $extension): void
    {
        $type = $this->normalizeType($type);
        $extension = strtolower($extension);
        foreach ($this->getExtensionTypes($extension) as $associated_type) {
            if ($this->hasAlias($associated_type) && $type === $this->getAliasTypes($associated_type)[0]) {
                $this->removeMapSubEntry('a', $associated_type, 'e', $extension);
                $this->removeMapSubEntry('e', $extension, 't', $associated_type);
            }
        }
    }

    public function getAliasTypes(string $alias): array
    {
        $alias = $this->normalizeType($alias);
        return $this->getMapSubEntry('a', $alias, 't') ?: [];
    }

    public function getExtensionTypes(string $extension): array
    {
        $extension = strtolower($extension);
        return $this->getMapSubEntry('e', $extension, 't') ?: [];
    }

    public function setExtensionDefaultType(string $extension, string $type): MimeMapInterface
    {
        $type = $this->normalizeType($type);
        $extension = strtolower($extension);

        if ($this->hasAlias($type)) {
            $alias = $type;
            $type = $this->getAliasTypes($alias)[0];
            // Check that the alias is referring to a type associated with that
            // extension.
            $associated_types = $this->getMapSubEntry('e', $extension, 't') ?: [];
            if (!in_array($type, $associated_types)) {
                throw new MappingException("Cannot set '{$alias}' as default type for extension '{$extension}', its unaliased type '{$type}' is not associated to '{$extension}'");
            }
            $this->addMapSubEntry('a', $alias, 'e', $extension);
            $this->addMapSubEntry('e', $extension, 't', $alias);
            return $this->setValueAsDefault('e', $extension, 't', $alias);
        } else {
            return $this->setValueAsDefault('e', $extension, 't', $type);
        }
    }
}


1		<?php declare(strict_types=1);
2
3		namespace FileEye\MimeMap\Map;
4
5		use FileEye\MimeMap\MalformedTypeException;
6		use FileEye\MimeMap\MappingException;
7		use FileEye\MimeMap\TypeParser;
8
9		/**
10		* Abstract class for mapping file extensions to MIME types.
11		*
12		* This class cannot be instantiated; extend from it to implement a map.
13		*/
14		abstract class AbstractMap extends BaseMap implements MimeMapInterface
15		{
16		/**
17		* Normalizes a mime-type string to Media/Subtype.
18		*
19		* @param string $type_string
20		* MIME type string to parse.
21		*
22		* @throws MalformedTypeException when $type_string is malformed.
23		*
24		* @return string
25		* A MIME type string in the 'Media/Subtype' format.
26		*/
27	56	protected function normalizeType(string $type_string): string
28		{
29		// Media and SubType are separated by a slash '/'.
30	56	$media = TypeParser::parseStringPart($type_string, 0, '/');
31
32	55	if (!$media['string']) {
33	2	throw new MalformedTypeException('Media type not found');
34		}
35	53	if (!$media['delimiter_matched']) {
36	1	throw new MalformedTypeException('Slash \'/\' to separate media type and subtype not found');
37		}
38
39		// SubType and Parameters are separated by semicolons ';'.
40	52	$sub = TypeParser::parseStringPart($type_string, $media['end_offset'] + 1, ';');
41
42	51	if (!$sub['string']) {
43	1	throw new MalformedTypeException('Media subtype not found');
44		}
45
46	50	return strtolower((string) $media['string']) . '/' . strtolower((string) $sub['string']);
47		}
48
49	26	public function hasType(string $type): bool
50		{
51	26	$type = $this->normalizeType($type);
52	26	return (bool) $this->getMapEntry('t', $type);
53		}
54
55	45	public function hasAlias(string $alias): bool
56		{
57	45	$alias = $this->normalizeType($alias);
58	45	return (bool) $this->getMapEntry('a', $alias);
59		}
60
61	1	public function hasExtension(string $extension): bool
62		{
63	1	$extension = strtolower($extension);
64	1	return (bool) $this->getMapEntry('e', $extension);
65		}
66
67	7	public function listTypes(string $match = null): array
68		{
69	7	return $this->listEntries('t', $match);
70		}
71
72	2	public function listAliases(string $match = null): array
73		{
74	2	return $this->listEntries('a', $match);
75		}
76
77	3	public function listExtensions(string $match = null): array
78		{
79	3	return $this->listEntries('e', $match);
80		}
81
82	3	public function addTypeDescription(string $type, string $description): MimeMapInterface
83		{
84	3	$type = $this->normalizeType($type);
85
86		// Consistency checks.
87	3	if ($this->hasAlias($type)) {
88	1	throw new MappingException("Cannot add description for '{$type}', '{$type}' is an alias");
89		}
90
91	2	$this->addMapSubEntry('t', $type, 'desc', $description);
92	2	return $this;
93		}
94
95	9	public function addTypeAlias(string $type, string $alias): MimeMapInterface
96		{
97	9	$type = $this->normalizeType($type);
98	9	$alias = $this->normalizeType($alias);
99
100		// Consistency checks.
101	9	if (!$this->hasType($type)) {
102	1	throw new MappingException("Cannot set '{$alias}' as alias for '{$type}', '{$type}' not defined");
103		}
104	8	if ($this->hasType($alias)) {
105	2	throw new MappingException("Cannot set '{$alias}' as alias for '{$type}', '{$alias}' is already defined as a type");
106		}
107	7	if ($this->hasAlias($alias)) {
108	2	$unaliased_types = $this->getAliasTypes($alias);
109	2	if (!empty($unaliased_types) && $unaliased_types[0] !== $type) {
110	1	throw new MappingException("Cannot set '{$alias}' as alias for '{$type}', it is an alias of '{$unaliased_types[0]}' already");
111		}
112	1	return $this;
113		}
114
115	5	$this->addMapSubEntry('t', $type, 'a', $alias);
116	5	$this->addMapSubEntry('a', $alias, 't', $type);
117	5	return $this;
118		}
119
120	16	public function addTypeExtensionMapping(string $type, string $extension): MimeMapInterface
121		{
122	16	$type = $this->normalizeType($type);
123	10	$extension = strtolower($extension);
124
125		// Consistency checks.
126	10	if ($this->hasAlias($type)) {
127	2	throw new MappingException("Cannot map '{$extension}' to '{$type}', '{$type}' is an alias");
128		}
129
130		// Add entry to 't'.
131	9	$this->addMapSubEntry('t', $type, 'e', $extension);
132
133		// Add entry to 'e'.
134	9	$this->addMapSubEntry('e', $extension, 't', $type);
135
136	9	return $this;
137		}
138
139	5	public function getTypeDescriptions(string $type): array
140		{
141	5	$type = $this->normalizeType($type);
142	5	return $this->getMapSubEntry('t', $type, 'desc') ?: [];
143		}
144
145	12	public function getTypeAliases(string $type): array
146		{
147	12	$type = $this->normalizeType($type);
148	12	return $this->getMapSubEntry('t', $type, 'a') ?: [];
149		}
150
151	13	public function getTypeExtensions(string $type): array
152		{
153	13	$type = $this->normalizeType($type);
154	13	return $this->getMapSubEntry('t', $type, 'e') ?: [];
155		}
156
157	3	public function setTypeDefaultExtension(string $type, string $extension): MimeMapInterface
158		{
159	3	$type = $this->normalizeType($type);
160	3	$extension = strtolower($extension);
161	3	return $this->setValueAsDefault('t', $type, 'e', $extension);
162		}
163
164	9	public function removeType(string $type): bool
165		{
166	9	$type = $this->normalizeType($type);
167
168		// Return false if type is not found.
169	9	if (!$this->hasType($type)) {
170	1	return false;
171		}
172
173		// Loop through all the associated extensions and remove them.
174	8	foreach ($this->getTypeExtensions($type) as $extension) {
175	8	$this->removeTypeExtensionMapping($type, $extension);
176		}
177
178		// Loop through all the associated aliases and remove them.
179	8	foreach ($this->getTypeAliases($type) as $alias) {
180	5	$this->removeTypeAlias($type, $alias);
181		}
182
183	8	unset(static::$map['t'][$type]);
184
185	8	return true;
186		}
187
188	6	public function removeTypeAlias(string $type, string $alias): bool
189		{
190	6	$type = $this->normalizeType($type);
191	6	$alias = $this->normalizeType($alias);
192
193		// Remove any extension mapped to the alias.
194	6	if ($extensions = $this->getMapSubEntry('a', $alias, 'e')) {
195	1	foreach ($extensions as $extension) {
196	1	$this->removeMapSubEntry('a', $alias, 'e', $extension);
197	1	$this->removeMapSubEntry('e', $extension, 't', $alias);
198		}
199		}
200
201	6	$type_ret = $this->removeMapSubEntry('t', $type, 'a', $alias);
202	6	$alias_ret = $this->removeMapSubEntry('a', $alias, 't', $type);
203
204	6	return $type_ret && $alias_ret;
205		}
206
207	13	public function removeTypeExtensionMapping(string $type, string $extension): bool
208		{
209	13	$type = $this->normalizeType($type);
210	13	$extension = strtolower($extension);
211
212	13	if ($this->hasAlias($type)) {
213	1	$alias = $type;
214	1	$type_ret = $this->removeMapSubEntry('a', $alias, 'e', $extension);
215	1	$extension_ret = $this->removeMapSubEntry('e', $extension, 't', $alias);
216		} else {
217	12	$this->removeAliasedTypesExtensionMapping($type, $extension);
218	12	$type_ret = $this->removeMapSubEntry('t', $type, 'e', $extension);
219	12	$extension_ret = $this->removeMapSubEntry('e', $extension, 't', $type);
220		}
221
222	13	return $type_ret && $extension_ret;
223		}
224
225		/**
226		* Removes aliased types extension mapping.
227		*
228		* @param string $type
229		* A MIME type.
230		* @param string $extension
231		* The file extension to be removed.
232		*/
233	12	protected function removeAliasedTypesExtensionMapping(string $type, string $extension): void
234		{
235	12	$type = $this->normalizeType($type);
236	12	$extension = strtolower($extension);
237	12	foreach ($this->getExtensionTypes($extension) as $associated_type) {
238	12	if ($this->hasAlias($associated_type) && $type === $this->getAliasTypes($associated_type)[0]) {
239	2	$this->removeMapSubEntry('a', $associated_type, 'e', $extension);
240	2	$this->removeMapSubEntry('e', $extension, 't', $associated_type);
241		}
242		}
243		}
244
245	9	public function getAliasTypes(string $alias): array
246		{
247	9	$alias = $this->normalizeType($alias);
248	9	return $this->getMapSubEntry('a', $alias, 't') ?: [];
249		}
250
251	19	public function getExtensionTypes(string $extension): array
252		{
253	19	$extension = strtolower($extension);
254	19	return $this->getMapSubEntry('e', $extension, 't') ?: [];
255		}
256
257	7	public function setExtensionDefaultType(string $extension, string $type): MimeMapInterface
258		{
259	7	$type = $this->normalizeType($type);
260	7	$extension = strtolower($extension);
261
262	7	if ($this->hasAlias($type)) {
263	4	$alias = $type;
264	4	$type = $this->getAliasTypes($alias)[0];
265		// Check that the alias is referring to a type associated with that
266		// extension.
267	4	$associated_types = $this->getMapSubEntry('e', $extension, 't') ?: [];
268	4	if (!in_array($type, $associated_types)) {
269	1	throw new MappingException("Cannot set '{$alias}' as default type for extension '{$extension}', its unaliased type '{$type}' is not associated to '{$extension}'");
270		}
271	3	$this->addMapSubEntry('a', $alias, 'e', $extension);
272	3	$this->addMapSubEntry('e', $extension, 't', $alias);
273	3	return $this->setValueAsDefault('e', $extension, 't', $alias);
274		} else {
275	3	return $this->setValueAsDefault('e', $extension, 't', $type);
276		}
277		}
278		}
279

FileEye / MimeMap

AbstractMap::removeTypeExtensionMapping() A last analyzed 2022-05-08 17:28 UTC

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AbstractMap::removeTypeExtensionMapping() A
last analyzed 2022-05-08 17:28 UTC