PathTrait::withoutDotSegments() - Code Metrics - Inspection of "Merge pull request #39 from thephpleague/bugfix/pa..." - thephpleague/uri - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 977c56...7628a3 )

by ignace nyamagana

created 2016-03-18 13:10 UTC

PathTrait::withoutDotSegments() A

↳ Parent: PathTrait

Complexity

Conditions	3
Paths	3

Size

Total Lines	15
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	3

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	15
ccs	10
cts	10
cp	1
rs	9.4285
cc	3
eloc	9
nc	3
nop	0
crap	3

<?php
/**
 * League.Uri (http://uri.thephpleague.com)
 *
 * @package   League.uri
 * @author    Ignace Nyamagana Butera <[email protected]>
 * @copyright 2013-2015 Ignace Nyamagana Butera
 * @license   https://github.com/thephpleague/uri/blob/master/LICENSE (MIT License)
 * @version   4.1.0
 * @link      https://github.com/thephpleague/uri/
 */
namespace League\Uri\Components;

use InvalidArgumentException;
use League\Uri\Interfaces\Path as PathInterface;

/**
 * Value object representing a URI path component.
 *
 * @package League.uri
 * @author  Ignace Nyamagana Butera <[email protected]>
 * @since   4.0.0
 */
trait PathTrait
{
    /**
     * Typecode Regular expression
     */
    protected static $typeRegex = ',^(?P<basename>.*);type=(?P<typecode>a|i|d)$,';

    /**
     * Paht reserved characters regular expression
     */
    protected static $pathReservedCharactersRegex = "/(?:[^\!\$&'\(\)\*\+,;\=\:\/@\?%]+|%(?![A-Fa-f0-9]{2}))/S";

    /**
     * Typecode value
     *
     * @var array
     */
    protected static $typecodeList = [
        'a' => PathInterface::FTP_TYPE_ASCII,
        'i' => PathInterface::FTP_TYPE_BINARY,
        'd' => PathInterface::FTP_TYPE_DIRECTORY,
        ''  => PathInterface::FTP_TYPE_EMPTY,
    ];

    /**
     * Dot Segment pattern
     *
     * @var array
     */
    protected static $dotSegments = ['.' => 1, '..' => 1];

    /**
     * Returns the instance string representation; If the
     * instance is not defined an empty string is returned
     *
     * @return string
     */
    abstract public function __toString();

    /**
     * Returns an instance with the specified string
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the modified data
     *
     * @param string $value
     *
     * @return static
     */
    abstract public function modify($value);

    /**
     * Returns an instance without dot segments
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the path component normalized by removing
     * the dot segment.
     *
     * @return static
     */
    public function withoutDotSegments()
    {
        $current = $this->__toString();
        if (false === strpos($current, '.')) {
            return $this;
        }

        $input = explode('/', $current);
        $new   = implode('/', array_reduce($input, [$this, 'filterDotSegments'], []));
        if (isset(static::$dotSegments[end($input)])) {
            $new .= '/';
        }

        return $this->modify($new);
    }

    /**
     * Filter Dot segment according to RFC3986
     *
     * @see http://tools.ietf.org/html/rfc3986#section-5.2.4
     *
     * @param array  $carry   Path segments
     * @param string $segment a path segment
     *
     * @return array
     */
    protected function filterDotSegments(array $carry, $segment)
    {
        if ('..' == $segment) {
            array_pop($carry);

            return $carry;
        }

        if (!isset(static::$dotSegments[$segment])) {
            $carry[] = $segment;
        }

        return $carry;
    }

    /**
     * Returns an instance without duplicate delimiters
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the path component normalized by removing
     * multiple consecutive empty segment
     *
     * @return static
     */
    public function withoutEmptySegments()
    {
        return $this->modify(preg_replace(',/+,', '/', $this->__toString()));
    }

    /**
     * Returns whether or not the path has a trailing delimiter
     *
     * @return bool
     */
    public function hasTrailingSlash()
    {
        $path = $this->__toString();

        return '' !== $path && '/' === mb_substr($path, -1, 1, 'UTF-8');
    }

    /**
     * Returns an instance with a trailing slash
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the path component with a trailing slash
     *
     *
     * @return static
     */
    public function withTrailingSlash()
    {
        return $this->hasTrailingSlash() ? $this : $this->modify($this->__toString().'/');
    }

    /**
     * Returns an instance without a trailing slash
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the path component without a trailing slash
     *
     * @return static
     */
    public function withoutTrailingSlash()
    {
        return !$this->hasTrailingSlash() ? $this : $this->modify(mb_substr($this->__toString(), 0, -1, 'UTF-8'));
    }

    /**
     * Returns whether or not the path is absolute or relative
     *
     * @return bool
     */
    public function isAbsolute()
    {
        $path = $this->__toString();

        return '' !== $path && '/' === mb_substr($path, 0, 1, 'UTF-8');
    }

    /**
     * Returns an instance with a leading slash
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the path component with a leading slash
     *
     *
     * @return static
     */
    public function withLeadingSlash()
    {
        return $this->isAbsolute() ? $this : $this->modify('/'.$this->__toString());
    }

    /**
     * Returns an instance without a leading slash
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the path component without a leading slash
     *
     * @return static
     */
    public function withoutLeadingSlash()
    {
        return !$this->isAbsolute() ? $this : $this->modify(mb_substr($this->__toString(), 1, null, 'UTF-8'));
    }

    /**
     * Retrieve the optional type associated to the path.
     *
     * The value returned MUST be one of the interface constant type
     * If no type is associated the return constant must be self::FTP_TYPE_EMPTY
     *
     * @see http://tools.ietf.org/html/rfc1738#section-3.2.2
     *
     * @return int a typecode constant.
     */
    public function getTypecode()
    {
        if (preg_match(self::$typeRegex, $this->__toString(), $matches)) {
            return self::$typecodeList[$matches['typecode']];
        }

        return PathInterface::FTP_TYPE_EMPTY;
    }

    /**
     * Return an instance with the specified typecode.
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the specified type appended to the path.
     * if not
     *
     * Using self::FTP_TYPE_EMPTY is equivalent to removing the typecode.
     *
     * @param int $type one typecode constant.
     *
     * @throws InvalidArgumentException for invalid typecode.
     *
     * @return static
     *
     */
    public function withTypecode($type)
    {
        if (!in_array($type, self::$typecodeList)) {
            throw new InvalidArgumentException('invalid typecode');
        }

        $path = $this->__toString();
        if (preg_match(self::$typeRegex, $path, $matches)) {
            $path = $matches['basename'];
        }

        $extension = array_search($type, self::$typecodeList);
        $extension = trim($extension);
        if ('' !== $extension) {
            $extension = ';type='.$extension;
        }

        return $this->modify($path.$extension);
    }

    /**
     * Encode a path string according to RFC3986
     *
     * @param string $subject can be a string or an array
     *
     * @return string The same type as the input parameter
     */
    protected static function encodePath($subject)
    {
        $encoder = function (array $matches) {
            return rawurlencode($matches[0]);
        };

        $formatter = function (array $matches) {
            return strtoupper($matches['encode']);
        };

        $subject = preg_replace_callback(self::$pathReservedCharactersRegex, $encoder, $subject);

        return preg_replace_callback(',(?<encode>%[0-9a-f]{2}),', $formatter, $subject);
    }

    /**
     * Decode a path string according to RFC3986
     *
     * @param string $subject can be a string or an array
     *
     * @return string The same type as the input parameter
     */
    protected static function decodePath($subject)
    {
        $decoder = function (array $matches) {
            return rawurldecode($matches[0]);
        };

        return preg_replace_callback(self::$pathReservedCharactersRegex, $decoder, $subject);
    }
}


1		<?php
2		/**
3		* League.Uri (http://uri.thephpleague.com)
4		*
5		* @package League.uri
6		* @author Ignace Nyamagana Butera <[email protected]>
7		* @copyright 2013-2015 Ignace Nyamagana Butera
8		* @license https://github.com/thephpleague/uri/blob/master/LICENSE (MIT License)
9		* @version 4.1.0
10		* @link https://github.com/thephpleague/uri/
11		*/
12		namespace League\Uri\Components;
13
14		use InvalidArgumentException;
15		use League\Uri\Interfaces\Path as PathInterface;
16
17		/**
18		* Value object representing a URI path component.
19		*
20		* @package League.uri
21		* @author Ignace Nyamagana Butera <[email protected]>
22		* @since 4.0.0
23		*/
24		trait PathTrait
25		{
26		/**
27		* Typecode Regular expression
28		*/
29		protected static $typeRegex = ',^(?P<basename>.*);type=(?P<typecode>a\|i\|d)$,';
30
31		/**
32		* Paht reserved characters regular expression
33		*/
34		protected static $pathReservedCharactersRegex = "/(?:[^\!\$&'\(\)\*\+,;\=\:\/@\?%]+\|%(?![A-Fa-f0-9]{2}))/S";
35
36		/**
37		* Typecode value
38		*
39		* @var array
40		*/
41		protected static $typecodeList = [
42		'a' => PathInterface::FTP_TYPE_ASCII,
43		'i' => PathInterface::FTP_TYPE_BINARY,
44		'd' => PathInterface::FTP_TYPE_DIRECTORY,
45		'' => PathInterface::FTP_TYPE_EMPTY,
46		];
47
48		/**
49		* Dot Segment pattern
50		*
51		* @var array
52		*/
53		protected static $dotSegments = ['.' => 1, '..' => 1];
54
55		/**
56		* Returns the instance string representation; If the
57		* instance is not defined an empty string is returned
58		*
59		* @return string
60		*/
61		abstract public function __toString();
62
63		/**
64		* Returns an instance with the specified string
65		*
66		* This method MUST retain the state of the current instance, and return
67		* an instance that contains the modified data
68		*
69		* @param string $value
70		*
71		* @return static
72		*/
73		abstract public function modify($value);
74
75		/**
76		* Returns an instance without dot segments
77		*
78		* This method MUST retain the state of the current instance, and return
79		* an instance that contains the path component normalized by removing
80		* the dot segment.
81		*
82		* @return static
83		*/
84	165	public function withoutDotSegments()
85		{
86	165	$current = $this->__toString();
87	165	if (false === strpos($current, '.')) {
88	84	return $this;
89		}
90
91	84	$input = explode('/', $current);
92	84	$new = implode('/', array_reduce($input, [$this, 'filterDotSegments'], []));
93	84	if (isset(static::$dotSegments[end($input)])) {
94	27	$new .= '/';
95	18	}
96
97	84	return $this->modify($new);
98		}
99
100		/**
101		* Filter Dot segment according to RFC3986
102		*
103		* @see http://tools.ietf.org/html/rfc3986#section-5.2.4
104		*
105		* @param array $carry Path segments
106		* @param string $segment a path segment
107		*
108		* @return array
109		*/
110	84	protected function filterDotSegments(array $carry, $segment)
111		{
112	84	if ('..' == $segment) {
113	57	array_pop($carry);
114
115	57	return $carry;
116		}
117
118	84	if (!isset(static::$dotSegments[$segment])) {
119	84	$carry[] = $segment;
120	56	}
121
122	84	return $carry;
123		}
124
125		/**
126		* Returns an instance without duplicate delimiters
127		*
128		* This method MUST retain the state of the current instance, and return
129		* an instance that contains the path component normalized by removing
130		* multiple consecutive empty segment
131		*
132		* @return static
133		*/
134	15	public function withoutEmptySegments()
135		{
136	15	return $this->modify(preg_replace(',/+,', '/', $this->__toString()));
137		}
138
139		/**
140		* Returns whether or not the path has a trailing delimiter
141		*
142		* @return bool
143		*/
144	60	public function hasTrailingSlash()
145		{
146	60	$path = $this->__toString();
147
148	60	return '' !== $path && '/' === mb_substr($path, -1, 1, 'UTF-8');
149		}
150
151		/**
152		* Returns an instance with a trailing slash
153		*
154		* This method MUST retain the state of the current instance, and return
155		* an instance that contains the path component with a trailing slash
156		*
157		*
158		* @return static
159		*/
160	21	public function withTrailingSlash()
161		{
162	21	return $this->hasTrailingSlash() ? $this : $this->modify($this->__toString().'/');
163		}
164
165		/**
166		* Returns an instance without a trailing slash
167		*
168		* This method MUST retain the state of the current instance, and return
169		* an instance that contains the path component without a trailing slash
170		*
171		* @return static
172		*/
173	21	public function withoutTrailingSlash()
174		{
175	21	return !$this->hasTrailingSlash() ? $this : $this->modify(mb_substr($this->__toString(), 0, -1, 'UTF-8'));
176		}
177
178		/**
179		* Returns whether or not the path is absolute or relative
180		*
181		* @return bool
182		*/
183	153	public function isAbsolute()
184		{
185	153	$path = $this->__toString();
186
187	153	return '' !== $path && '/' === mb_substr($path, 0, 1, 'UTF-8');
188		}
189
190		/**
191		* Returns an instance with a leading slash
192		*
193		* This method MUST retain the state of the current instance, and return
194		* an instance that contains the path component with a leading slash
195		*
196		*
197		* @return static
198		*/
199	24	public function withLeadingSlash()
200		{
201	24	return $this->isAbsolute() ? $this : $this->modify('/'.$this->__toString());
202		}
203
204		/**
205		* Returns an instance without a leading slash
206		*
207		* This method MUST retain the state of the current instance, and return
208		* an instance that contains the path component without a leading slash
209		*
210		* @return static
211		*/
212	21	public function withoutLeadingSlash()
213		{
214	21	return !$this->isAbsolute() ? $this : $this->modify(mb_substr($this->__toString(), 1, null, 'UTF-8'));
215		}
216
217		/**
218		* Retrieve the optional type associated to the path.
219		*
220		* The value returned MUST be one of the interface constant type
221		* If no type is associated the return constant must be self::FTP_TYPE_EMPTY
222		*
223		* @see http://tools.ietf.org/html/rfc1738#section-3.2.2
224		*
225		* @return int a typecode constant.
226		*/
227	18	public function getTypecode()
228		{
229	18	if (preg_match(self::$typeRegex, $this->__toString(), $matches)) {
230	9	return self::$typecodeList[$matches['typecode']];
231		}
232
233	9	return PathInterface::FTP_TYPE_EMPTY;
234		}
235
236		/**
237		* Return an instance with the specified typecode.
238		*
239		* This method MUST retain the state of the current instance, and return
240		* an instance that contains the specified type appended to the path.
241		* if not
242		*
243		* Using self::FTP_TYPE_EMPTY is equivalent to removing the typecode.
244		*
245		* @param int $type one typecode constant.
246		*
247		* @throws InvalidArgumentException for invalid typecode.
248		*
249		* @return static
250		*
251		*/
252	30	public function withTypecode($type)
253		{
254	30	if (!in_array($type, self::$typecodeList)) {
255	3	throw new InvalidArgumentException('invalid typecode');
256		}
257
258	27	$path = $this->__toString();
259	27	if (preg_match(self::$typeRegex, $path, $matches)) {
260	6	$path = $matches['basename'];
261	4	}
262
263	27	$extension = array_search($type, self::$typecodeList);
264	27	$extension = trim($extension);
265	27	if ('' !== $extension) {
266	15	$extension = ';type='.$extension;
267	10	}
268
269	27	return $this->modify($path.$extension);
270		}
271
272		/**
273		* Encode a path string according to RFC3986
274		*
275		* @param string $subject can be a string or an array
276		*
277		* @return string The same type as the input parameter
278		*/
279	1101	protected static function encodePath($subject)
280		{
281		$encoder = function (array $matches) {
282	957	return rawurlencode($matches[0]);
283	1101	};
284
285		$formatter = function (array $matches) {
286	90	return strtoupper($matches['encode']);
287	1101	};
288
289	1101	$subject = preg_replace_callback(self::$pathReservedCharactersRegex, $encoder, $subject);
290
291	1101	return preg_replace_callback(',(?<encode>%[0-9a-f]{2}),', $formatter, $subject);
292		}
293
294		/**
295		* Decode a path string according to RFC3986
296		*
297		* @param string $subject can be a string or an array
298		*
299		* @return string The same type as the input parameter
300		*/
301		protected static function decodePath($subject)
302		{
303	1086	$decoder = function (array $matches) {
304	939	return rawurldecode($matches[0]);
305	1086	};
306
307	1086	return preg_replace_callback(self::$pathReservedCharactersRegex, $decoder, $subject);
308		}
309		}
310

thephpleague / uri

Push — master ( 977c56...7628a3 )

PathTrait::withoutDotSegments() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like