MapHandler::setValueAsDefault() - Code Metrics - Inspection of "Increase test coverage of MapHandler (#4)" - FileEye/MimeMap - Measure and Improve Code Quality continuously with Scrutinizer

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by mon

created 2019-01-16 18:41 UTC

MapHandler::setValueAsDefault() A

↳ Parent: MapHandler

Complexity

Conditions	5
Paths	5

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	5

Importance

Changes

Metric	Value
dl	0
loc	25
ccs	13
cts	13
cp	1
rs	9.2088
c	0
b	0
f	0
cc	5
nc	5
nop	3
crap	5

<?php

namespace FileEye\MimeMap;

/**
 * Class for managing the type-to-extension map.
 */
class MapHandler
{
    /**
     * Mapping between file extensions and MIME types.
     *
     * The array has two main keys, 'types' that maps MIME types to file
     * extensions, and 'extensions' that map file extensions to MIME types.
     *
     * @var array
     */
    protected $map;

    /**
     * Constructor.
     *
     * @param array $map
     *   (Optional) The mapping to be used for this instance. If null, the
     *   default map will be used.
     */
    public function __construct(array $map = null)
    {
        if (is_null($map)) {
            $this->map = &TypeExtensionMap::$map;
        } else {
            $this->map = $map;
        }
    }

    /**
     * Returns the map associated with this instance.
     *
     * @return array
     */
    public function get()
    {
        return $this->map;
    }

    /**
     * Sorts the map.
     *
     * @return $this
     */
    public function sort()
    {
        ksort($this->map['types']);
        ksort($this->map['extensions']);
        return $this;
    }

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

    /**
     * Removes an entry from the map.
     *
     * @param string $key
     *   The main array key.
     * @param string $entry
     *   The sub array key.
     * @param string $value
     *   The value.
     *
     * @return bool
     *   true if the entry was removed, false if the entry was not present.
     */
    protected function removeMapEntry($key, $entry, $value)
    {
        // Return false if no entry.
        if (!isset($this->map[$key][$entry])) {
            return false;
        }

        // Return false if no value.
        $k = array_search($value, $this->map[$key][$entry]);
        if ($k === false) {
            return false;
        }

        // Remove the map entry.
        unset($this->map[$key][$entry][$k]);

        // Remove the entry itself if no more values.
        if (empty($this->map[$key][$entry])) {
            unset($this->map[$key][$entry]);
        } else {
            // Resequence the remaining values.
            $tmp = [];
            foreach ($this->map[$key][$entry] as $v) {
                $tmp[] = $v;
            }
            $this->map[$key][$entry] = $tmp;
        }

        return true;
    }

    /**
     * Sets a value as the default for an entry.
     *
     * @param string $key
     *   The main array key.
     * @param string $entry
     *   The sub array key.
     * @param string $value
     *   The value.
     *
     * @throws MappingException if no mapping found.
     *
     * @return $this
     */
    protected function setValueAsDefault($key, $entry, $value)
    {
        // Throw exception if no entry.
        if (!isset($this->map[$key][$entry])) {
            throw new MappingException("Cannot set '{$value}' as default for '{$entry}', '{$entry}' not defined");
        }

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

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

        return $this;
    }

    /**
     * Adds a type-to-extension mapping.
     *
     * @param string $type
     *   A MIME type.
     * @param string $extension
     *   A file extension.
     *
     * @return $this
     */
    public function addMapping($type, $extension)
    {
        $type = strtolower($type);
        $extension = (string) strtolower($extension);

        // Add entry to 'types'.
        $this->addMapEntry('types', $type, $extension);

        // Add entry to 'extensions'.
        $this->addMapEntry('extensions', $extension, $type);

        return $this;
    }

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

        // Remove entry from 'types'.
        $type_ret = $this->removeMapEntry('types', $type, $extension);

        // Remove entry from 'extensions'.
        $extension_ret = $this->removeMapEntry('extensions', $extension, $type);

        return $type_ret && $extension_ret;
    }

    /**
     * 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 (!isset($this->map['types'][$type])) {
            return false;
        }

        // Loop through all the associated extensions and remove them. This
        // is also removing the type itself when the last extension is removed.
        foreach ($this->map['types'][$type] as $extension) {
            $this->removeMapping($type, $extension);
        }

        return true;
    }

    /**
     * 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)
    {
        $type = strtolower($type);
        $extension = (string) strtolower($extension);

        return $this->setValueAsDefault('types', $type, $extension);
    }

    /**
     * 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)
    {
        $type = strtolower($type);
        $extension = (string) strtolower($extension);

        return $this->setValueAsDefault('extensions', $extension, $type);
    }
}


1		<?php
2
3		namespace FileEye\MimeMap;
4
5		/**
6		* Class for managing the type-to-extension map.
7		*/
8		class MapHandler
9		{
10		/**
11		* Mapping between file extensions and MIME types.
12		*
13		* The array has two main keys, 'types' that maps MIME types to file
14		* extensions, and 'extensions' that map file extensions to MIME types.
15		*
16		* @var array
17		*/
18		protected $map;
19
20		/**
21		* Constructor.
22		*
23		* @param array $map
24		* (Optional) The mapping to be used for this instance. If null, the
25		* default map will be used.
26		*/
27	17	public function __construct(array $map = null)
28		{
29	17	if (is_null($map)) {
30	17	$this->map = &TypeExtensionMap::$map;
31		} else {
32		$this->map = $map;
33		}
34	17	}
35
36		/**
37		* Returns the map associated with this instance.
38		*
39		* @return array
40		*/
41	13	public function get()
42		{
43	13	return $this->map;
44		}
45
46		/**
47		* Sorts the map.
48		*
49		* @return $this
50		*/
51	1	public function sort()
52		{
53	1	ksort($this->map['types']);
54	1	ksort($this->map['extensions']);
55	1	return $this;
56		}
57
58		/**
59		* Adds an entry to the map.
60		*
61		* Checks that no duplicate entries are made.
62		*
63		* @param string $key
64		* The main array key.
65		* @param string $entry
66		* The sub array key.
67		* @param string $value
68		* The value to add.
69		*
70		* @return $this
71		*/
72	2	protected function addMapEntry($key, $entry, $value)
73		{
74	2	if (!isset($this->map[$key][$entry])) {
75	2	$this->map[$key][$entry] = [$value];
76		} else {
77	1	if (array_search($value, $this->map[$key][$entry]) === false) {
78	1	$this->map[$key][$entry][] = $value;
79		}
80		}
81	2	return $this;
82		}
83
84		/**
85		* Removes an entry from the map.
86		*
87		* @param string $key
88		* The main array key.
89		* @param string $entry
90		* The sub array key.
91		* @param string $value
92		* The value.
93		*
94		* @return bool
95		* true if the entry was removed, false if the entry was not present.
96		*/
97	1	protected function removeMapEntry($key, $entry, $value)
98		{
99		// Return false if no entry.
100	1	if (!isset($this->map[$key][$entry])) {
101	1	return false;
102		}
103
104		// Return false if no value.
105	1	$k = array_search($value, $this->map[$key][$entry]);
106	1	if ($k === false) {
107	1	return false;
108		}
109
110		// Remove the map entry.
111	1	unset($this->map[$key][$entry][$k]);
112
113		// Remove the entry itself if no more values.
114	1	if (empty($this->map[$key][$entry])) {
115	1	unset($this->map[$key][$entry]);
116		} else {
117		// Resequence the remaining values.
118	1	$tmp = [];
119	1	foreach ($this->map[$key][$entry] as $v) {
120	1	$tmp[] = $v;
121		}
122	1	$this->map[$key][$entry] = $tmp;
123		}
124
125	1	return true;
126		}
127
128		/**
129		* Sets a value as the default for an entry.
130		*
131		* @param string $key
132		* The main array key.
133		* @param string $entry
134		* The sub array key.
135		* @param string $value
136		* The value.
137		*
138		* @throws MappingException if no mapping found.
139		*
140		* @return $this
141		*/
142	6	protected function setValueAsDefault($key, $entry, $value)
143		{
144		// Throw exception if no entry.
145	6	if (!isset($this->map[$key][$entry])) {
146	2	throw new MappingException("Cannot set '{$value}' as default for '{$entry}', '{$entry}' not defined");
147		}
148
149		// Throw exception if no entry-value pair.
150	4	$k = array_search($value, $this->map[$key][$entry]);
151	4	if ($k === false) {
152	2	throw new MappingException("Cannot set '{$value}' as default for '{$entry}', '{$value}' not associated to '{$entry}'");
153		}
154
155		// Move value to top of array and resequence the rest.
156	2	$tmp = [$value];
157	2	foreach ($this->map[$key][$entry] as $kk => $v) {
158	2	if ($kk === $k) {
159	2	continue;
160		}
161	2	$tmp[] = $v;
162		}
163	2	$this->map[$key][$entry] = $tmp;
164
165	2	return $this;
166		}
167
168		/**
169		* Adds a type-to-extension mapping.
170		*
171		* @param string $type
172		* A MIME type.
173		* @param string $extension
174		* A file extension.
175		*
176		* @return $this
177		*/
178	2	public function addMapping($type, $extension)
179		{
180	2	$type = strtolower($type);
181	2	$extension = (string) strtolower($extension);
182
183		// Add entry to 'types'.
184	2	$this->addMapEntry('types', $type, $extension);
185
186		// Add entry to 'extensions'.
187	2	$this->addMapEntry('extensions', $extension, $type);
188
189	2	return $this;
190		}
191
192		/**
193		* Removes a type-to-extension mapping.
194		*
195		* @param string $type
196		* A MIME type.
197		* @param string $extension
198		* A file extension.
199		*
200		* @return bool
201		* true if the mapping was removed, false if the mapping was not present.
202		*/
203	1	public function removeMapping($type, $extension)
204		{
205	1	$type = strtolower($type);
206	1	$extension = (string) strtolower($extension);
207
208		// Remove entry from 'types'.
209	1	$type_ret = $this->removeMapEntry('types', $type, $extension);
210
211		// Remove entry from 'extensions'.
212	1	$extension_ret = $this->removeMapEntry('extensions', $extension, $type);
213
214	1	return $type_ret && $extension_ret;
215		}
216
217		/**
218		* Removes the entire mapping of a type.
219		*
220		* @param string $type
221		* A MIME type.
222		*
223		* @return bool
224		* true if the mapping was removed, false if the type was not present.
225		*/
226	1	public function removeType($type)
227		{
228	1	$type = strtolower($type);
229
230		// Return false if type is not found.
231	1	if (!isset($this->map['types'][$type])) {
232	1	return false;
233		}
234
235		// Loop through all the associated extensions and remove them. This
236		// is also removing the type itself when the last extension is removed.
237	1	foreach ($this->map['types'][$type] as $extension) {
238	1	$this->removeMapping($type, $extension);
239		}
240
241	1	return true;
242		}
243
244		/**
245		* Changes the default extension for a MIME type.
246		*
247		* @param string $type
248		* A MIME type.
249		* @param string $extension
250		* A file extension.
251		*
252		* @throws MappingException if no mapping found.
253		*
254		* @return $this
255		*/
256	3	public function setTypeDefaultExtension($type, $extension)
257		{
258	3	$type = strtolower($type);
259	3	$extension = (string) strtolower($extension);
260
261	3	return $this->setValueAsDefault('types', $type, $extension);
262		}
263
264		/**
265		* Changes the default MIME type for a file extension.
266		*
267		* @param string $extension
268		* A file extension.
269		* @param string $type
270		* A MIME type.
271		*
272		* @throws MappingException if no mapping found.
273		*
274		* @return $this
275		*/
276	3	public function setExtensionDefaultType($extension, $type)
277		{
278	3	$type = strtolower($type);
279	3	$extension = (string) strtolower($extension);
280
281	3	return $this->setValueAsDefault('extensions', $extension, $type);
282		}
283		}
284

FileEye / MimeMap

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MapHandler::setValueAsDefault() A

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