AbstractMap::getType() - Code Metrics - Inspection of "Add MIME type descriptions and aliases taking from..." - FileEye/MimeMap - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#15)

by mon

created 2019-01-24 16:05 UTC

AbstractMap::getType() A

↳ Parent: AbstractMap

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	5
rs	10
c	0
b	0
f	0
ccs	3
cts	3
cp	1
cc	2
nc	2
nop	1
crap	2

<?php

namespace FileEye\MimeMap\Map;

use FileEye\MimeMap\MappingException;

/**
 * Abstract class for mapping file extensions to MIME types.
 *
 * This class cannot be instantiated; extend from it to implement a map.
 */
abstract class AbstractMap
{
    /**
     * Returns the singleton.
     *
     * @return string
     */
    public static function getInstance()
    {
        if (!static::$instance) {
            static::$instance = new static();
        }
        return static::$instance;
    }

    /**
     * Returns this file's full qualified filename.
     *
     * @return string
     */
    public function getFileName()
    {
        throw new \LogicException(__METHOD__ . ' is not implemented in ' . get_called_class());
    }

    /**
     * Gets the map array.
     *
     * @return array
     */
    public function getMapArray()
    {
        return static::$map;
    }

    /**
     * Sorts the map.
     *
     * @return $this
     */
    public function sort()
    {
        foreach (array_keys(static::$map) as $k) {
            ksort(static::$map[$k]);
            foreach (static::$map[$k] as &$sub) {
                ksort($sub);
            }
        }
        return $this;
    }

    /**
     * Determines if a MIME type exists.
     *
     * @param string $type The type to be found.
     *
     * @return bool
     */
    public function hasType($type)
    {
        return (bool) $this->getMapEntry('t', $type);
    }

    /**
     * Determines if a MIME type alias exists.
     *
     * @param string $alias The alias to be found.
     *
     * @return bool
     */
    public function hasAlias($alias)
    {
        return (bool) $this->getMapEntry('a', $alias);
    }

    /**
     * Determines if an entry exists from the 'extensions' array.
     *
     * @param string $extension The extension to be found.
     *
     * @return bool
     */
    public function hasExtension($extension)
    {
        return (bool) $this->getMapEntry('e', $extension);
    }

    /**
     * Lists all the MIME types defined in the map.
     *
     * @param string $match (Optional) a match wildcard to limit the list.
     *
     * @return string[]
     */
    public function listTypes($match = null)
    {
        return $this->listEntries('t', $match);
    }

    /**
     * Lists all the MIME types aliases defined in the map.
     *
     * @param string $match (Optional) a match wildcard to limit the list.
     *
     * @return string[]
     */
    public function listAliases($match = null)
    {
        return $this->listEntries('a', $match);
    }

    /**
     * Lists all the extensions defined in the map.
     *
     * @param string $match (Optional) a match wildcard to limit the list.
     *
     * @return string[]
     */
    public function listExtensions($match = null)
    {
        return $this->listEntries('e', $match);
    }

    /**
     * Adds a description of a MIME type.
     *
     * @param string $type
     *   A MIME type.
     * @param string $description
     *   The description of the MIME type.
     *
     * @throws MappingException if $type is an alias.
     *
     * @return $this
     */
    public function addTypeDescription($type, $description)
    {
        // Consistency checks.
        if ($this->hasAlias($type)) {
            throw new MappingException("Cannot add description for '{$type}', '{$type}' is an alias");
        }

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

    /**
     * Adds an alias of a MIME type.
     *
     * @param string $type
     *   A MIME type.
     * @param string $alias
     *   An alias of $type.
     *
     * @throws MappingException if no $type is found.
     *
     * @return $this
     */
    public function addTypeAlias($type, $alias)
    {
        $type = strtolower($type);
        $alias = strtolower($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");
        }

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

    /**
     * Adds a type-to-extension mapping.
     *
     * @param string $type
     *   A MIME type.
     * @param string $extension
     *   A file extension.
     *
     * @throws MappingException if $type is an alias.
     *
     * @return $this
     */
    public function addTypeExtensionMapping($type, $extension)
    {
        $type = strtolower($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;
    }

    /**
     * Gets the descriptions of a MIME type.
     *
     * @param string $type The type to be found.
     *
     * @return string[] The mapped descriptions.
     */
    public function getTypeDescriptions($type)
    {
        $res = $this->getMapSubEntry('t', $type, 'desc');
        return $res ?: [];
    }

    /**
     * Gets the aliases of a MIME type.
     *
     * @param string $type The type to be found.
     *
     * @return string[] The mapped aliases.
     */
    public function getTypeAliases($type)
    {
        $res = $this->getMapSubEntry('t', $type, 'a');
        return $res ?: [];
    }

    /**
     * Gets the content of an entry from the 't' array.
     *
     * @param string $type The type to be found.
     *
     * @return string[] The mapped file extensions.
     */
    public function getTypeExtensions($type)
    {
        $res = $this->getMapSubEntry('t', $type, 'e');
        return $res ?: [];
    }

    /**
     * Changes the default extension for a MIME type.
     *
     * @param string $type
     *   A MIME type.
     * @param string $extension
     *   A file extension.
     *
     * @throws MappingException if no mapping found.
     *
     * @return $this
     */
    public function setTypeDefaultExtension($type, $extension)
    {
        return $this->setValueAsDefault('t', $type, 'e', $extension);
    }

    /**
     * Removes the entire mapping of a type.
     *
     * @param string $type
     *   A MIME type.
     *
     * @return bool
     *   true if the mapping was removed, false if the type was not present.
     */
    public function removeType($type)
    {
        $type = strtolower($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;
    }

    /**
     * Removes a MIME type alias.
     *
     * @param string $type
     *   A MIME type.
     * @param string $alias
     *   The alias to be removed.
     *
     * @return bool
     *   true if the alias was removed, false if the alias was not present.
     */
    public function removeTypeAlias($type, $alias)
    {
        $type = strtolower($type);
        $alias = strtolower($alias);

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

        return $type_ret && $alias_ret;
    }

    /**
     * Removes a type-to-extension mapping.
     *
     * @param string $type
     *   A MIME type.
     * @param string $extension
     *   The file extension to be removed.
     *
     * @return bool
     *   true if the mapping was removed, false if the mapping was not present.
     */
    public function removeTypeExtensionMapping($type, $extension)
    {
        $type = strtolower($type);
        $extension = strtolower($extension);

        $type_ret = $this->removeMapSubEntry('t', $type, 'e', $extension);
        $extension_ret = $this->removeMapSubEntry('e', $extension, 't', $type);

        return $type_ret && $extension_ret;
    }

    /**
     * Gets the content of an entry from the 'extensions' array.
     *
     * @param string $extension The extension to be found.
     *
     * @return string[] The mapped MIME types.
     */
    public function getExtensionTypes($extension)
    {
        $res = $this->getMapSubEntry('e', $extension, 't');
        return $res ?: [];
    }

    /**
     * Changes the default MIME type for a file extension.
     *
     * @param string $extension
     *   A file extension.
     * @param string $type
     *   A MIME type.
     *
     * @throws MappingException if no mapping found.
     *
     * @return $this
     */
    public function setExtensionDefaultType($extension, $type)
    {
        return $this->setValueAsDefault('e', $extension, 't', $type);
    }

    /**
     * Gets a list of entries of the map.
     *
     * @param string $entry
     *   The main array entry.
     * @param string $match
     *   (Optional) a match wildcard to limit the list.
     *
     * @return array
     *   The list of the entries.
     */
    protected function listEntries($entry, $match = null)
    {
        $entry = strtolower($entry);

        if (!isset(static::$map[$entry])) {
            return [];
        }

        $list = array_keys(static::$map[$entry]);

        if (is_null($match)) {
            return $list;
        } else {
            $re = strtr($match, ['/' => '\\/', '*' => '.*']);
            return array_filter($list, function ($v) use ($re) {
                return preg_match("/$re/", $v) === 1;
            });
        }
    }

    /**
     * Gets the content of an entry of the map.
     *
     * @param string $entry
     *   The main array entry.
     * @param string $entry_key
     *   The main entry value.
     *
     * @return mixed|null
     *   The value of the entry, or null if missing.
     */
    protected function getMapEntry($entry, $entry_key)
    {
        $entry = strtolower($entry);
        $entry_key = strtolower($entry_key);
        return isset(static::$map[$entry][$entry_key]) ? static::$map[$entry][$entry_key] : null;
    }

    /**
     * Gets the content of a subentry of the map.
     *
     * @param string $entry
     *   The main array entry.
     * @param string $entry_key
     *   The main entry value.
     * @param string $sub_entry
     *   The sub entry.
     *
     * @return mixed|null
     *   The value of the entry, or null if missing.
     */
    protected function getMapSubEntry($entry, $entry_key, $sub_entry)
    {
        $entry = strtolower($entry);
        $entry_key = strtolower($entry_key);
        $sub_entry = strtolower($sub_entry);
        return isset(static::$map[$entry][$entry_key][$sub_entry]) ? static::$map[$entry][$entry_key][$sub_entry] : null;
    }

    /**
     * Adds an entry to the map.
     *
     * Checks that no duplicate entries are made.
     *
     * @param string $entry
     *   The main array entry.
     * @param string $entry_key
     *   The main entry value.
     * @param string $sub_entry
     *   The sub entry.
     * @param string $value
     *   The value to add.
     *
     * @return $this
     */
    protected function addMapSubEntry($entry, $entry_key, $sub_entry, $value)
    {
        $entry = strtolower($entry);
        $entry_key = strtolower($entry_key);
        $sub_entry = strtolower($sub_entry);
        if (!isset(static::$map[$entry][$entry_key][$sub_entry])) {
            static::$map[$entry][$entry_key][$sub_entry] = [$value];
        } else {
            if (array_search($value, static::$map[$entry][$entry_key][$sub_entry]) === false) {
                static::$map[$entry][$entry_key][$sub_entry][] = $value;
            }
        }
        return $this;
    }

    /**
     * Removes an entry from the map.
     *
     * @param string $entry
     *   The main array entry.
     * @param string $entry_key
     *   The main entry value.
     * @param string $sub_entry
     *   The sub entry.
     * @param string $value
     *   The value to remove.
     *
     * @return bool
     *   true if the entry was removed, false if the entry was not present.
     */
    protected function removeMapSubEntry($entry, $entry_key, $sub_entry, $value)
    {
        $entry = strtolower($entry);
        $entry_key = strtolower($entry_key);
        $sub_entry = strtolower($sub_entry);

        // Return false if no entry.
        if (!isset(static::$map[$entry][$entry_key][$sub_entry])) {
            return false;
        }

        // Return false if no value.
        $k = array_search($value, static::$map[$entry][$entry_key][$sub_entry]);
        if ($k === false) {
            return false;
        }

        // Remove the map entry.
        unset(static::$map[$entry][$entry_key][$sub_entry][$k]);

        // Remove the entry itself if no more values.
        if (empty(static::$map[$entry][$entry_key][$sub_entry])) {
            unset(static::$map[$entry][$entry_key][$sub_entry]);
        } else {
            // Resequence the remaining values.
            $tmp = [];
            foreach (static::$map[$entry][$entry_key][$sub_entry] as $v) {
                $tmp[] = $v;
            }
            static::$map[$entry][$entry_key][$sub_entry] = $tmp;
        }

        return true;
    }

    /**
     * Sets a value as the default for an entry.
     *
     * @param string $entry
     *   The main array entry.
     * @param string $entry_key
     *   The main entry value.
     * @param string $sub_entry
     *   The sub entry.
     * @param string $value
     *   The value to add.
     *
     * @throws MappingException if no mapping found.
     *
     * @return $this
     */
    protected function setValueAsDefault($entry, $entry_key, $sub_entry, $value)
    {
        $entry = strtolower($entry);
        $entry_key = strtolower($entry_key);
        $sub_entry = strtolower($sub_entry);

        // Throw exception if no entry.
        if (!isset(static::$map[$entry][$entry_key][$sub_entry])) {
            throw new MappingException("Cannot set '{$value}' as default for '{$entry_key}', '{$entry_key}' not defined");
        }

        // Throw exception if no entry-value pair.
        $k = array_search($value, static::$map[$entry][$entry_key][$sub_entry]);
        if ($k === false) {
            throw new MappingException("Cannot set '{$value}' as default for '{$entry_key}', '{$value}' not associated to '{$entry_key}'");
        }

        // Move value to top of array and resequence the rest.
        $tmp = [$value];
        foreach (static::$map[$entry][$entry_key][$sub_entry] as $kk => $v) {
            if ($kk === $k) {
                continue;
            }
            $tmp[] = $v;
        }
        static::$map[$entry][$entry_key][$sub_entry] = $tmp;

        return $this;
    }
}


1		<?php
2
3		namespace FileEye\MimeMap\Map;
4
5		use FileEye\MimeMap\MappingException;
6
7		/**
8		* Abstract class for mapping file extensions to MIME types.
9		*
10		* This class cannot be instantiated; extend from it to implement a map.
11		*/
12		abstract class AbstractMap
13		{
14		/**
15		* Returns the singleton.
16		*
17		* @return string
18		*/
19	39	public static function getInstance()
20		{
21	39	if (!static::$instance) {
22	3	static::$instance = new static();
23		}
24	39	return static::$instance;
25		}
26
27		/**
28		* Returns this file's full qualified filename.
29		*
30		* @return string
31		*/
32	1	public function getFileName()
33		{
34	1	throw new \LogicException(__METHOD__ . ' is not implemented in ' . get_called_class());
35		}
36
37		/**
38		* Gets the map array.
39		*
40		* @return array
41		*/
42	5	public function getMapArray()
43		{
44	5	return static::$map;
45		}
46
47		/**
48		* Sorts the map.
49		*
50		* @return $this
51		*/
52	6	public function sort()
53		{
54	6	foreach (array_keys(static::$map) as $k) {
55	4	ksort(static::$map[$k]);
56	4	foreach (static::$map[$k] as &$sub) {
57	4	ksort($sub);
58		}
59		}
60	6	return $this;
61		}
62
63		/**
64		* Determines if a MIME type exists.
65		*
66		* @param string $type The type to be found.
67		*
68		* @return bool
69		*/
70	11	public function hasType($type)
71		{
72	11	return (bool) $this->getMapEntry('t', $type);
73		}
74
75		/**
76		* Determines if a MIME type alias exists.
77		*
78		* @param string $alias The alias to be found.
79		*
80		* @return bool
81		*/
82	10	public function hasAlias($alias)
83		{
84	10	return (bool) $this->getMapEntry('a', $alias);
85		}
86
87		/**
88		* Determines if an entry exists from the 'extensions' array.
89		*
90		* @param string $extension The extension to be found.
91		*
92		* @return bool
93		*/
94	1	public function hasExtension($extension)
95		{
96	1	return (bool) $this->getMapEntry('e', $extension);
97		}
98
99		/**
100		* Lists all the MIME types defined in the map.
101		*
102		* @param string $match (Optional) a match wildcard to limit the list.
103		*
104		* @return string[]
105		*/
106	7	public function listTypes($match = null)
107		{
108	7	return $this->listEntries('t', $match);
109		}
110
111		/**
112		* Lists all the MIME types aliases defined in the map.
113		*
114		* @param string $match (Optional) a match wildcard to limit the list.
115		*
116		* @return string[]
117		*/
118	2	public function listAliases($match = null)
119		{
120	2	return $this->listEntries('a', $match);
121		}
122
123		/**
124		* Lists all the extensions defined in the map.
125		*
126		* @param string $match (Optional) a match wildcard to limit the list.
127		*
128		* @return string[]
129		*/
130	3	public function listExtensions($match = null)
131		{
132	3	return $this->listEntries('e', $match);
133		}
134
135		/**
136		* Adds a description of a MIME type.
137		*
138		* @param string $type
139		* A MIME type.
140		* @param string $description
141		* The description of the MIME type.
142		*
143		* @throws MappingException if $type is an alias.
144		*
145		* @return $this
146		*/
147	2	public function addTypeDescription($type, $description)
148		{
149		// Consistency checks.
150	2	if ($this->hasAlias($type)) {
151	1	throw new MappingException("Cannot add description for '{$type}', '{$type}' is an alias");
152		}
153
154	1	$this->addMapSubEntry('t', $type, 'desc', $description);
155	1	return $this;
156		}
157
158		/**
159		* Adds an alias of a MIME type.
160		*
161		* @param string $type
162		* A MIME type.
163		* @param string $alias
164		* An alias of $type.
165		*
166		* @throws MappingException if no $type is found.
167		*
168		* @return $this
169		*/
170	3	public function addTypeAlias($type, $alias)
171		{
172	3	$type = strtolower($type);
173	3	$alias = strtolower($alias);
174
175		// Consistency checks.
176	3	if (!$this->hasType($type)) {
177	1	throw new MappingException("Cannot set '{$alias}' as alias for '{$type}', '{$type}' not defined");
178		}
179	2	if ($this->hasType($alias)) {
180	2	throw new MappingException("Cannot set '{$alias}' as alias for '{$type}', '{$alias}' is already defined as a type");
181		}
182
183	1	$this->addMapSubEntry('t', $type, 'a', $alias);
184	1	$this->addMapSubEntry('a', $alias, 't', $type);
185	1	return $this;
186		}
187
188		/**
189		* Adds a type-to-extension mapping.
190		*
191		* @param string $type
192		* A MIME type.
193		* @param string $extension
194		* A file extension.
195		*
196		* @throws MappingException if $type is an alias.
197		*
198		* @return $this
199		*/
200	6	public function addTypeExtensionMapping($type, $extension)
201		{
202	6	$type = strtolower($type);
203	6	$extension = strtolower($extension);
204
205		// Consistency checks.
206	6	if ($this->hasAlias($type)) {
207	1	throw new MappingException("Cannot map '{$extension}' to '{$type}', '{$type}' is an alias");
208		}
209
210		// Add entry to 't'.
211	5	$this->addMapSubEntry('t', $type, 'e', $extension);
212
213		// Add entry to 'e'.
214	5	$this->addMapSubEntry('e', $extension, 't', $type);
215
216	5	return $this;
217		}
218
219		/**
220		* Gets the descriptions of a MIME type.
221		*
222		* @param string $type The type to be found.
223		*
224		* @return string[] The mapped descriptions.
225		*/
226	1	public function getTypeDescriptions($type)
227		{
228	1	$res = $this->getMapSubEntry('t', $type, 'desc');
229	1	return $res ?: [];
230		}
231
232		/**
233		* Gets the aliases of a MIME type.
234		*
235		* @param string $type The type to be found.
236		*
237		* @return string[] The mapped aliases.
238		*/
239	1	public function getTypeAliases($type)
240		{
241	1	$res = $this->getMapSubEntry('t', $type, 'a');
242	1	return $res ?: [];
243		}
244
245		/**
246		* Gets the content of an entry from the 't' array.
247		*
248		* @param string $type The type to be found.
249		*
250		* @return string[] The mapped file extensions.
251		*/
252	5	public function getTypeExtensions($type)
253		{
254	5	$res = $this->getMapSubEntry('t', $type, 'e');
255	5	return $res ?: [];
256		}
257
258		/**
259		* Changes the default extension for a MIME type.
260		*
261		* @param string $type
262		* A MIME type.
263		* @param string $extension
264		* A file extension.
265		*
266		* @throws MappingException if no mapping found.
267		*
268		* @return $this
269		*/
270	3	public function setTypeDefaultExtension($type, $extension)
271		{
272	3	return $this->setValueAsDefault('t', $type, 'e', $extension);
273		}
274
275		/**
276		* Removes the entire mapping of a type.
277		*
278		* @param string $type
279		* A MIME type.
280		*
281		* @return bool
282		* true if the mapping was removed, false if the type was not present.
283		*/
284	1	public function removeType($type)
285		{
286	1	$type = strtolower($type);
287
288		// Return false if type is not found.
289	1	if (!$this->hasType($type)) {
290	1	return false;
291		}
292
293		// Loop through all the associated extensions and remove them.
294	1	foreach ($this->getTypeExtensions($type) as $extension) {
295	1	$this->removeTypeExtensionMapping($type, $extension);
296		}
297
298		// Loop through all the associated aliases and remove them.
299	1	foreach ($this->getTypeAliases($type) as $alias) {
300	1	$this->removeTypeAlias($type, $alias);
301		}
302
303	1	unset(static::$map['t'][$type]);
304
305	1	return true;
306		}
307
308		/**
309		* Removes a MIME type alias.
310		*
311		* @param string $type
312		* A MIME type.
313		* @param string $alias
314		* The alias to be removed.
315		*
316		* @return bool
317		* true if the alias was removed, false if the alias was not present.
318		*/
319	1	public function removeTypeAlias($type, $alias)
320		{
321	1	$type = strtolower($type);
322	1	$alias = strtolower($alias);
323
324	1	$type_ret = $this->removeMapSubEntry('t', $type, 'a', $alias);
325	1	$alias_ret = $this->removeMapSubEntry('a', $alias, 't', $type);
326
327	1	return $type_ret && $alias_ret;
328		}
329
330		/**
331		* Removes a type-to-extension mapping.
332		*
333		* @param string $type
334		* A MIME type.
335		* @param string $extension
336		* The file extension to be removed.
337		*
338		* @return bool
339		* true if the mapping was removed, false if the mapping was not present.
340		*/
341	1	public function removeTypeExtensionMapping($type, $extension)
342		{
343	1	$type = strtolower($type);
344	1	$extension = strtolower($extension);
345
346	1	$type_ret = $this->removeMapSubEntry('t', $type, 'e', $extension);
347	1	$extension_ret = $this->removeMapSubEntry('e', $extension, 't', $type);
348
349	1	return $type_ret && $extension_ret;
350		}
351
352		/**
353		* Gets the content of an entry from the 'extensions' array.
354		*
355		* @param string $extension The extension to be found.
356		*
357		* @return string[] The mapped MIME types.
358		*/
359	9	public function getExtensionTypes($extension)
360		{
361	9	$res = $this->getMapSubEntry('e', $extension, 't');
362	9	return $res ?: [];
363		}
364
365		/**
366		* Changes the default MIME type for a file extension.
367		*
368		* @param string $extension
369		* A file extension.
370		* @param string $type
371		* A MIME type.
372		*
373		* @throws MappingException if no mapping found.
374		*
375		* @return $this
376		*/
377	3	public function setExtensionDefaultType($extension, $type)
378		{
379	3	return $this->setValueAsDefault('e', $extension, 't', $type);
380		}
381
382		/**
383		* Gets a list of entries of the map.
384		*
385		* @param string $entry
386		* The main array entry.
387		* @param string $match
388		* (Optional) a match wildcard to limit the list.
389		*
390		* @return array
391		* The list of the entries.
392		*/
393	7	protected function listEntries($entry, $match = null)
394		{
395	7	$entry = strtolower($entry);
396
397	7	if (!isset(static::$map[$entry])) {
398	1	return [];
399		}
400
401	7	$list = array_keys(static::$map[$entry]);
402
403	7	if (is_null($match)) {
404	3	return $list;
405		} else {
406	4	$re = strtr($match, ['/' => '\\/', '' => '.']);
407		return array_filter($list, function ($v) use ($re) {
408	4	return preg_match("/$re/", $v) === 1;
409	4	});
410		}
411		}
412
413		/**
414		* Gets the content of an entry of the map.
415		*
416		* @param string $entry
417		* The main array entry.
418		* @param string $entry_key
419		* The main entry value.
420		*
421		* @return mixed\|null
422		* The value of the entry, or null if missing.
423		*/
424	19	protected function getMapEntry($entry, $entry_key)
425		{
426	19	$entry = strtolower($entry);
427	19	$entry_key = strtolower($entry_key);
428	19	return isset(static::$map[$entry][$entry_key]) ? static::$map[$entry][$entry_key] : null;
429		}
430
431		/**
432		* Gets the content of a subentry of the map.
433		*
434		* @param string $entry
435		* The main array entry.
436		* @param string $entry_key
437		* The main entry value.
438		* @param string $sub_entry
439		* The sub entry.
440		*
441		* @return mixed\|null
442		* The value of the entry, or null if missing.
443		*/
444	13	protected function getMapSubEntry($entry, $entry_key, $sub_entry)
445		{
446	13	$entry = strtolower($entry);
447	13	$entry_key = strtolower($entry_key);
448	13	$sub_entry = strtolower($sub_entry);
449	13	return isset(static::$map[$entry][$entry_key][$sub_entry]) ? static::$map[$entry][$entry_key][$sub_entry] : null;
450		}
451
452		/**
453		* Adds an entry to the map.
454		*
455		* Checks that no duplicate entries are made.
456		*
457		* @param string $entry
458		* The main array entry.
459		* @param string $entry_key
460		* The main entry value.
461		* @param string $sub_entry
462		* The sub entry.
463		* @param string $value
464		* The value to add.
465		*
466		* @return $this
467		*/
468	5	protected function addMapSubEntry($entry, $entry_key, $sub_entry, $value)
469		{
470	5	$entry = strtolower($entry);
471	5	$entry_key = strtolower($entry_key);
472	5	$sub_entry = strtolower($sub_entry);
473	5	if (!isset(static::$map[$entry][$entry_key][$sub_entry])) {
474	5	static::$map[$entry][$entry_key][$sub_entry] = [$value];
475		} else {
476	4	if (array_search($value, static::$map[$entry][$entry_key][$sub_entry]) === false) {
477	4	static::$map[$entry][$entry_key][$sub_entry][] = $value;
478		}
479		}
480	5	return $this;
481		}
482
483		/**
484		* Removes an entry from the map.
485		*
486		* @param string $entry
487		* The main array entry.
488		* @param string $entry_key
489		* The main entry value.
490		* @param string $sub_entry
491		* The sub entry.
492		* @param string $value
493		* The value to remove.
494		*
495		* @return bool
496		* true if the entry was removed, false if the entry was not present.
497		*/
498	1	protected function removeMapSubEntry($entry, $entry_key, $sub_entry, $value)
499		{
500	1	$entry = strtolower($entry);
501	1	$entry_key = strtolower($entry_key);
502	1	$sub_entry = strtolower($sub_entry);
503
504		// Return false if no entry.
505	1	if (!isset(static::$map[$entry][$entry_key][$sub_entry])) {
506	1	return false;
507		}
508
509		// Return false if no value.
510	1	$k = array_search($value, static::$map[$entry][$entry_key][$sub_entry]);
511	1	if ($k === false) {
512	1	return false;
513		}
514
515		// Remove the map entry.
516	1	unset(static::$map[$entry][$entry_key][$sub_entry][$k]);
517
518		// Remove the entry itself if no more values.
519	1	if (empty(static::$map[$entry][$entry_key][$sub_entry])) {
520	1	unset(static::$map[$entry][$entry_key][$sub_entry]);
521		} else {
522		// Resequence the remaining values.
523	1	$tmp = [];
524	1	foreach (static::$map[$entry][$entry_key][$sub_entry] as $v) {
525	1	$tmp[] = $v;
526		}
527	1	static::$map[$entry][$entry_key][$sub_entry] = $tmp;
528		}
529
530	1	return true;
531		}
532
533		/**
534		* Sets a value as the default for an entry.
535		*
536		* @param string $entry
537		* The main array entry.
538		* @param string $entry_key
539		* The main entry value.
540		* @param string $sub_entry
541		* The sub entry.
542		* @param string $value
543		* The value to add.
544		*
545		* @throws MappingException if no mapping found.
546		*
547		* @return $this
548		*/
549	6	protected function setValueAsDefault($entry, $entry_key, $sub_entry, $value)
550		{
551	6	$entry = strtolower($entry);
552	6	$entry_key = strtolower($entry_key);
553	6	$sub_entry = strtolower($sub_entry);
554
555		// Throw exception if no entry.
556	6	if (!isset(static::$map[$entry][$entry_key][$sub_entry])) {
557	2	throw new MappingException("Cannot set '{$value}' as default for '{$entry_key}', '{$entry_key}' not defined");
558		}
559
560		// Throw exception if no entry-value pair.
561	4	$k = array_search($value, static::$map[$entry][$entry_key][$sub_entry]);
562	4	if ($k === false) {
563	2	throw new MappingException("Cannot set '{$value}' as default for '{$entry_key}', '{$value}' not associated to '{$entry_key}'");
564		}
565
566		// Move value to top of array and resequence the rest.
567	2	$tmp = [$value];
568	2	foreach (static::$map[$entry][$entry_key][$sub_entry] as $kk => $v) {
569	2	if ($kk === $k) {
570	2	continue;
571		}
572	2	$tmp[] = $v;
573		}
574	2	static::$map[$entry][$entry_key][$sub_entry] = $tmp;
575
576	2	return $this;
577		}
578		}
579

FileEye / MimeMap

Pull Request — master (#15)

AbstractMap::getType() A

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