Uri::buildResolvedPathAgainst() - Code Metrics - Inspection of "Merge pull request #4 from JanTvrdik/pr/fix_uri_on..." - stefk/JVal - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ccaae2...611d76 )

by Stéphane

created 2016-04-08 17:52 UTC

Uri::buildResolvedPathAgainst() A

↳ Parent: Uri

Complexity

Conditions	3
Paths	3

Size

Total Lines	12
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	3

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
c	2
b	0
f	0
dl	0
loc	12
ccs	6
cts	6
cp	1
rs	9.4285
cc	3
eloc	6
nc	3
nop	1
crap	3

<?php

/*
 * This file is part of the JVal package.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace JVal;

/**
 * Wraps a raw URI string, providing methods to deal with URI normalization,
 * comparison and resolution (including JSON pointers references).
 */
class Uri
{
    private static $partNames = [
        'scheme',
        'user',
        'pass',
        'host',
        'port',
        'path',
        'query',
        'fragment',
    ];

    /**
     * @var string
     */
    private $raw;

    /**
     * @var array
     */
    private $parts;

    /**
     * @var string
     */
    private $authority;

    /**
     * @var string[]
     */
    private $segments;

    /**
     * @var string
     */
    private $primaryIdentifier;

    /**
     * Constructor.
     *
     * @param string $rawUri
     */
    public function __construct($rawUri)
    {
        $this->buildFromRawUri($rawUri);
    }

    /**
     * @return string
     */
    public function getRawUri()
    {
        return $this->raw;
    }

    /**
     * @return string
     */
    public function getRawPointer()
    {
        return isset($this->parts['fragment']) ? $this->parts['fragment'] : '';
    }

    /**
     * @return bool
     */
    public function isAbsolute()
    {
        return $this->parts['scheme'] !== '';
    }

    /**
     * @return string
     */
    public function getScheme()
    {
        return $this->parts['scheme'];
    }

    /**
     * @return string
     */
    public function getAuthority()
    {
        return $this->authority;
    }

    /**
     * @return string
     */
    public function getPath()
    {
        return $this->parts['path'];
    }

    /**
     * @return string
     */
    public function getQuery()
    {
        return $this->parts['query'];
    }

    /**
     * @return string[]
     */
    public function getPointerSegments()
    {
        return $this->segments;
    }

    /**
     * Returns the primary resource identifier part of the URI, i.e. everything
     * excluding its fragment part.
     *
     * @return string
     */
    public function getPrimaryResourceIdentifier()
    {
        return $this->primaryIdentifier;
    }

    /**
     * Resolves the current (relative) URI against another (absolute) URI.
     * Example:.
     *
     * Current  = foo.json
     * Other    = http://localhost/bar/baz
     * Resolved = http://localhost/bar/foo.json
     *
     * @param Uri $uri
     *
     * @return string
     */
    public function resolveAgainst(Uri $uri)
    {
        if ($this->isAbsolute()) {
            throw new \LogicException(
                'Cannot resolve against another URI: URI is already absolute'
            );
        }

        if (!$uri->isAbsolute()) {
            throw new \LogicException(
                'Cannot resolve against another URI: reference URI is not absolute'
            );
        }

        $resolved = $this->buildResolvedUriAgainst($uri);
        $this->buildFromRawUri($resolved);

        return $resolved;
    }

    /**
     * Returns whether two URIs share the same primary resource identifier,
     * i.e. whether they point to the same document.
     *
     * @param Uri $uri
     *
     * @return bool
     */
    public function isSamePrimaryResource(Uri $uri)
    {
        if (!$this->isAbsolute() || !$uri->isAbsolute()) {
            throw new \LogicException('Cannot compare URIs: both must be absolute');
        }

        return $this->primaryIdentifier === $uri->getPrimaryResourceIdentifier();
    }

    private function buildFromRawUri($rawUri)
    {
        $this->raw = rawurldecode($rawUri);
        $this->parts = @parse_url($this->raw);

        if (false === $this->parts) {
            throw new \InvalidArgumentException("Cannot parse URI '{$rawUri}'");
        }

        foreach (self::$partNames as $part) {
            if (!isset($this->parts[$part])) {
                $this->parts[$part] = '';
            }
        }

        if ($this->parts['scheme'] === 'file' && preg_match('/^[A-Z]:/', $this->parts['path'])) {
            $this->parts['path'] = '/' . $this->parts['path'];
        }

        $this->authority = $this->buildAuthority();
        $this->segments = $this->buildSegments();
        $this->primaryIdentifier = $this->buildPrimaryIdentifier();
    }

    private function buildAuthority()
    {
        $userInfo = $this->parts['user'];
        $authority = $this->parts['host'];

        if ($this->parts['pass'] !== '') {
            $userInfo .= ':'.$this->parts['pass'];
        }

        if ($this->parts['port'] !== '') {
            $authority .= ':'.$this->parts['port'];
        }

        if ($userInfo !== '') {
            $authority = $userInfo.'@'.$authority;
        }

        return $authority;
    }

    private function buildSegments()
    {
        $segments = [];

        if (isset($this->parts['fragment'])) {
            $rawSegments = explode('/', $this->parts['fragment']);

            foreach ($rawSegments as $segment) {
                $segment = trim($segment);

                if ($segment !== '') {
                    $segment = str_replace('~1', '/', $segment);
                    $segment = str_replace('~0', '~', $segment);
                    $segments[] = $segment;
                }
            }
        }

        return $segments;
    }

    private function buildPrimaryIdentifier()
    {
        $identifier = '';

        if ($this->parts['scheme']) {
            $identifier .= $this->parts['scheme'].'://';
        }

        $identifier .= $this->authority.$this->parts['path'];

        if ($this->parts['query']) {
            $identifier .= '?'.$this->parts['query'];
        }

        return $identifier;
    }

    private function buildResolvedUriAgainst(Uri $uri)
    {
        $scheme = $uri->getScheme();
        $authority = $uri->getAuthority();
        $path = $uri->getPath();
        $query = $uri->getQuery();

        if ($this->getAuthority()) {
            $authority = $this->getAuthority();
            $path = $this->getPath();
            $query = $this->getQuery();
        } elseif ($this->getPath()) {
            $path = $this->buildResolvedPathAgainst($uri->getPath());
            $query = $this->getQuery();
        } elseif ($this->getQuery()) {
            $query = $this->getQuery();
        }

        return $this->appendRelativeParts(
            "{$scheme}://{$authority}{$path}",
            $query,
            $this->parts['fragment']
        );
    }

    private function buildResolvedPathAgainst($againstPath)
    {
        $ownPath = $this->getPath();

        if (0 !== strpos($ownPath, '/')) {
            $againstPath = $againstPath ?: '/';

            return preg_replace('#/([^/]*)$#', "/{$ownPath}", $againstPath);
        }

        return $ownPath;
    }

    private function appendRelativeParts($absolutePart, $query, $fragment)
    {
        if ($query) {
            $absolutePart .= '?'.$query;
        }

        if ($fragment) {
            $absolutePart .= '#'.$fragment;
        }

        return $absolutePart;
    }
}


1		<?php
2
3		/*
4		* This file is part of the JVal package.
5		*
6		* For the full copyright and license information, please view the LICENSE
7		* file that was distributed with this source code.
8		*/
9
10		namespace JVal;
11
12		/**
13		* Wraps a raw URI string, providing methods to deal with URI normalization,
14		* comparison and resolution (including JSON pointers references).
15		*/
16		class Uri
17		{
18		private static $partNames = [
19		'scheme',
20		'user',
21		'pass',
22		'host',
23		'port',
24		'path',
25		'query',
26		'fragment',
27		];
28
29		/**
30		* @var string
31		*/
32		private $raw;
33
34		/**
35		* @var array
36		*/
37		private $parts;
38
39		/**
40		* @var string
41		*/
42		private $authority;
43
44		/**
45		* @var string[]
46		*/
47		private $segments;
48
49		/**
50		* @var string
51		*/
52		private $primaryIdentifier;
53
54		/**
55		* Constructor.
56		*
57		* @param string $rawUri
58		*/
59	371	public function __construct($rawUri)
60		{
61	371	$this->buildFromRawUri($rawUri);
62	370	}
63
64		/**
65		* @return string
66		*/
67	3	public function getRawUri()
68		{
69	3	return $this->raw;
70		}
71
72		/**
73		* @return string
74		*/
75	52	public function getRawPointer()
76		{
77	52	return isset($this->parts['fragment']) ? $this->parts['fragment'] : '';
78		}
79
80		/**
81		* @return bool
82		*/
83	85	public function isAbsolute()
84		{
85	85	return $this->parts['scheme'] !== '';
86		}
87
88		/**
89		* @return string
90		*/
91	61	public function getScheme()
92		{
93	61	return $this->parts['scheme'];
94		}
95
96		/**
97		* @return string
98		*/
99	61	public function getAuthority()
100		{
101	61	return $this->authority;
102		}
103
104		/**
105		* @return string
106		*/
107	61	public function getPath()
108		{
109	61	return $this->parts['path'];
110		}
111
112		/**
113		* @return string
114		*/
115	61	public function getQuery()
116		{
117	61	return $this->parts['query'];
118		}
119
120		/**
121		* @return string[]
122		*/
123	62	public function getPointerSegments()
124		{
125	62	return $this->segments;
126		}
127
128		/**
129		* Returns the primary resource identifier part of the URI, i.e. everything
130		* excluding its fragment part.
131		*
132		* @return string
133		*/
134	341	public function getPrimaryResourceIdentifier()
135		{
136	341	return $this->primaryIdentifier;
137		}
138
139		/**
140		* Resolves the current (relative) URI against another (absolute) URI.
141		* Example:.
142		*
143		* Current = foo.json
144		* Other = http://localhost/bar/baz
145		* Resolved = http://localhost/bar/foo.json
146		*
147		* @param Uri $uri
148		*
149		* @return string
150		*/
151	63	public function resolveAgainst(Uri $uri)
152		{
153	63	if ($this->isAbsolute()) {
154	1	throw new \LogicException(
155		'Cannot resolve against another URI: URI is already absolute'
156	1	);
157		}
158
159	62	if (!$uri->isAbsolute()) {
160	1	throw new \LogicException(
161		'Cannot resolve against another URI: reference URI is not absolute'
162	1	);
163		}
164
165	61	$resolved = $this->buildResolvedUriAgainst($uri);
166	61	$this->buildFromRawUri($resolved);
167
168	61	return $resolved;
169		}
170
171		/**
172		* Returns whether two URIs share the same primary resource identifier,
173		* i.e. whether they point to the same document.
174		*
175		* @param Uri $uri
176		*
177		* @return bool
178		*/
179	5	public function isSamePrimaryResource(Uri $uri)
180		{
181	5	if (!$this->isAbsolute() \|\| !$uri->isAbsolute()) {
182	1	throw new \LogicException('Cannot compare URIs: both must be absolute');
183		}
184
185	4	return $this->primaryIdentifier === $uri->getPrimaryResourceIdentifier();
186		}
187
188	371	private function buildFromRawUri($rawUri)
189		{
190	371	$this->raw = rawurldecode($rawUri);
191	371	$this->parts = @parse_url($this->raw);
192
193	371	if (false === $this->parts) {
194	1	throw new \InvalidArgumentException("Cannot parse URI '{$rawUri}'");
195		}
196
197	370	foreach (self::$partNames as $part) {
198	370	if (!isset($this->parts[$part])) {
199	370	$this->parts[$part] = '';
200	370	}
201	370	}
202
203	370	if ($this->parts['scheme'] === 'file' && preg_match('/^[A-Z]:/', $this->parts['path'])) {
204		$this->parts['path'] = '/' . $this->parts['path'];
205		}
206
207	370	$this->authority = $this->buildAuthority();
208	370	$this->segments = $this->buildSegments();
209	370	$this->primaryIdentifier = $this->buildPrimaryIdentifier();
210	370	}
211
212	370	private function buildAuthority()
213		{
214	370	$userInfo = $this->parts['user'];
215	370	$authority = $this->parts['host'];
216
217	370	if ($this->parts['pass'] !== '') {
218	1	$userInfo .= ':'.$this->parts['pass'];
219	1	}
220
221	370	if ($this->parts['port'] !== '') {
222	14	$authority .= ':'.$this->parts['port'];
223	14	}
224
225	370	if ($userInfo !== '') {
226	1	$authority = $userInfo.'@'.$authority;
227	1	}
228
229	370	return $authority;
230		}
231
232	370	private function buildSegments()
233		{
234	370	$segments = [];
235
236	370	if (isset($this->parts['fragment'])) {
237	370	$rawSegments = explode('/', $this->parts['fragment']);
238
239	370	foreach ($rawSegments as $segment) {
240	370	$segment = trim($segment);
241
242	370	if ($segment !== '') {
243	56	$segment = str_replace('~1', '/', $segment);
244	56	$segment = str_replace('~0', '~', $segment);
245	56	$segments[] = $segment;
246	56	}
247	370	}
248	370	}
249
250	370	return $segments;
251		}
252
253	370	private function buildPrimaryIdentifier()
254		{
255	370	$identifier = '';
256
257	370	if ($this->parts['scheme']) {
258	361	$identifier .= $this->parts['scheme'].'://';
259	361	}
260
261	370	$identifier .= $this->authority.$this->parts['path'];
262
263	370	if ($this->parts['query']) {
264	6	$identifier .= '?'.$this->parts['query'];
265	6	}
266
267	370	return $identifier;
268		}
269
270	61	private function buildResolvedUriAgainst(Uri $uri)
271		{
272	61	$scheme = $uri->getScheme();
273	61	$authority = $uri->getAuthority();
274	61	$path = $uri->getPath();
275	61	$query = $uri->getQuery();
276
277	61	if ($this->getAuthority()) {
278	3	$authority = $this->getAuthority();
279	3	$path = $this->getPath();
280	3	$query = $this->getQuery();
281	61	} elseif ($this->getPath()) {
282	12	$path = $this->buildResolvedPathAgainst($uri->getPath());
283	12	$query = $this->getQuery();
284	58	} elseif ($this->getQuery()) {
285	1	$query = $this->getQuery();
286	1	}
287
288	61	return $this->appendRelativeParts(
289	61	"{$scheme}://{$authority}{$path}",
290	61	$query,
291	61	$this->parts['fragment']
292	61	);
293		}
294
295	12	private function buildResolvedPathAgainst($againstPath)
296		{
297	12	$ownPath = $this->getPath();
298
299	12	if (0 !== strpos($ownPath, '/')) {
300	8	$againstPath = $againstPath ?: '/';
301
302	8	return preg_replace('#/([^/]*)$#', "/{$ownPath}", $againstPath);
303		}
304
305	5	return $ownPath;
306		}
307
308	61	private function appendRelativeParts($absolutePart, $query, $fragment)
309		{
310	61	if ($query) {
311	3	$absolutePart .= '?'.$query;
312	3	}
313
314	61	if ($fragment) {
315	48	$absolutePart .= '#'.$fragment;
316	48	}
317
318	61	return $absolutePart;
319		}
320		}
321

stefk / JVal

Push — master ( ccaae2...611d76 )

Uri::buildResolvedPathAgainst() A

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