IRI::getScheme() - Code Metrics - lanthaler/IRI - Measure and Improve Code Quality continuously with Scrutinizer

IRI::getScheme() A
last analyzed 2018-08-20 21:26 UTC

↳ Parent: IRI

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0
crap	1

<?php

/*
 * (c) Markus Lanthaler <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ML\IRI;

/**
 * IRI represents an IRI as per RFC3987.
 *
 * @author Markus Lanthaler <[email protected]>
 *
 * @link http://tools.ietf.org/html/rfc3987 RFC3987
 */
class IRI
{
    /**
     * The scheme
     *
     * @var string|null
     */
    private $scheme = null;

    /**
     * The user information
     *
     * @var string|null
     */
    private $userinfo = null;

    /**
     * The host
     *
     * @var string|null
     */
    private $host = null;

    /**
     * The port
     *
     * @var string|null
     */
    private $port = null;

    /**
     * The path
     *
     * @var string
     */
    private $path = '';

    /**
     * The query component
     *
     * @var string|null
     */
    private $query = null;

    /**
     * The fragment identifier
     *
     * @var string|null
     */
    private $fragment = null;


    /**
     * Constructor
     *
     * @param null|string|IRI $iri The IRI.
     *
     * @throws \InvalidArgumentException If an invalid IRI is passed.
     *
     * @api
     */
    public function __construct($iri = null)
    {
        if (null === $iri) {
            return;
        } elseif (is_string($iri)) {
            $this->parse($iri);
        } elseif ($iri instanceof IRI) {
            $this->scheme = $iri->scheme;
            $this->userinfo = $iri->userinfo;
            $this->host = $iri->host;
            $this->port = $iri->port;
            $this->path = $iri->path;
            $this->query = $iri->query;
            $this->fragment = $iri->fragment;
        } else {
            throw new \InvalidArgumentException(
                'Expecting a string or an IRI, got ' .
                (is_object($iri) ? get_class($iri) : gettype($iri))
            );
        }
    }

    /**
     * Get the scheme
     *
     * @return string|null Returns the scheme or null if not set.
     */
    public function getScheme()
    {
        return $this->scheme;
    }

    /**
     * Get the authority
     *
     * @return string|null Returns the authority or null if not set.
     */
    public function getAuthority()
    {
        $authority = null;

        if (null !== $this->host) {

            if (null !== $this->userinfo) {
                $authority .= $this->userinfo . '@';
            }
            $authority .= $this->host;
            if (null !== $this->port) {
                $authority .= ':' . $this->port;
            }
        }

        return $authority;
    }

    /**
     * Get the user information
     *
     * @return string|null Returns the user information or null if not set.
     */
    public function getUserInfo()
    {
        return $this->userinfo;
    }

    /**
     * Get the host
     *
     * @return string|null Returns the host or null if not set.
     */
    public function getHost()
    {
        return $this->host;
    }

    /**
     * Get the port
     *
     * @return string|null Returns the port or null if not set.
     */
    public function getPort()
    {
        return $this->port;
    }

    /**
     * Get the path
     *
     * @return string Returns the path which might be empty.
     */
    public function getPath()
    {
        return $this->path;
    }

    /**
     * Get the query component
     *
     * @return string|null Returns the query component or null if not set.
     */
    public function getQuery()
    {
        return $this->query;
    }

    /**
     * Get the fragment identifier
     *
     * @return string|null Returns the fragment identifier or null if not set.
     */
    public function getFragment()
    {
        return $this->fragment;
    }

    /**
     * Find out whether the IRI is absolute
     *
     * @return bool Returns true if the IRI is absolute, false otherwise.
     *
     * @api
     */
    public function isAbsolute()
    {
        return (null !== $this->scheme);
    }

    /**
     * Get as absolute IRI, i.e., without fragment identifier
     *
     * @return IRI The absolute IRI, i.e., without fragment identifier
     *
     * @throws \UnexpectedValueException If the IRI is a relative IRI.
     *
     * @link http://tools.ietf.org/html/rfc3987#section-2.2 RFC3987 absolute-IRI
     *
     * @api
     */
    public function getAbsoluteIri()
    {
        if (false === $this->isAbsolute()) {
            throw new \UnexpectedValueException('Cannot get the absolute IRI of a relative IRI.');
        }

        $absolute  = clone $this;
        $absolute->fragment = null;

        return $absolute;
    }

    /**
     * Check whether the passed IRI is equal
     *
     * @param IRI|string $iri IRI to compare to this instance.
     *
     * @return bool Returns true if the two IRIs are equal, false otherwise.
     *
     * @api
     */
    public function equals($iri)
    {
        // Make sure both instances are strings
        return ($this->__toString() === (string)$iri);
    }

    /**
     * Resolve a (relative) IRI reference against this IRI
     *
     * @param IRI|string $reference The (relative) IRI reference that should
     *                              be resolved against this IRI.
     *
     * @return IRI The resolved IRI.
     *
     * @throws \InvalidArgumentException If an invalid IRI is passed.
     *
     * @link http://tools.ietf.org/html/rfc3986#section-5.2
     *
     * @api
     */
    public function resolve($reference)
    {
        $reference = new IRI($reference);

        $scheme = null;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
        $authority = null;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
        $path = '';
        $query = null;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
        $fragment = null;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}

        // The Transform References algorithm as specified by RFC3986
        // see: http://tools.ietf.org/html/rfc3986#section-5.2.2
        if ($reference->scheme) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
            $scheme = $reference->scheme;
            $authority = $reference->getAuthority();
            $path = self::removeDotSegments($reference->path);
            $query = $reference->query;
        } else {
            if (null !== $reference->getAuthority()) {
                $authority = $reference->getAuthority();
                $path = self::removeDotSegments($reference->path);
                $query = $reference->query;
            } else {
                if (0 === strlen($reference->path)) {
                    $path = $this->path;
                    if (null !== $reference->query) {
                        $query = $reference->query;
                    } else {
                        $query = $this->query;
                    }
                } else {
                    if ('/' === $reference->path[0]) {
                        $path = self::removeDotSegments($reference->path);
                    } else {
                        // T.path = merge(Base.path, R.path);
                        if ((null !== $this->getAuthority()) && ('' === $this->path)) {
                            $path = '/' . $reference->path;
                        } else {
                            if (false !== ($end = strrpos($this->path, '/'))) {
                                $path = substr($this->path, 0, $end + 1);
                            }
                            $path .= $reference->path;
                        }
                        $path = self::removeDotSegments($path);
                    }
                    $query = $reference->query;
                }

                $authority = $this->getAuthority();
            }
            $scheme = $this->scheme;
        }

        $fragment = $reference->fragment;


        // The Component Recomposition algorithm as specified by RFC3986
        // see: http://tools.ietf.org/html/rfc3986#section-5.3
        $result = '';

        if ($scheme) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
            $result = $scheme . ':';
        }

        if (null !== $authority) {
            $result .= '//' . $authority;
        }

        $result .= $path;

        if (null !== $query) {
            $result .= '?' . $query;
        }

        if (null !== $fragment) {
            $result .= '#' . $fragment;
        }

        return new IRI($result);
    }

    /**
     * Transform this IRI to a IRI reference relative to the passed base IRI
     *
     * @param IRI|string $base The (relative) IRI reference that should be
     *                         be used as base IRI.
     * @param bool             Defines whether schema-relative IRIs such
     *                         as `//example.com` should be created (`true`)
     *                         or not (`false`).
     *
     * @return IRI The IRI reference relative to the passed base IRI.
     *
     * @throws \InvalidArgumentException If an invalid IRI is passed.
     *
     * @api
     */
    public function relativeTo($base, $schemaRelative = false)
    {
        if (false === ($base instanceof IRI)) {
            $base = new IRI($base);
        }
        $relative = clone $this;

        // Compare scheme
        if ($relative->scheme !== $base->scheme) {
            return $relative;
        }

        // Compare authority
        if ($relative->getAuthority() !== $base->getAuthority()) {
            if (true === $schemaRelative) {
                $relative->scheme = null;
            }

            return $relative;
        }
        $relative->scheme = null;
        $relative->host = null;
        $relative->userinfo = null;
        $relative->port = null;

        // Compare path
        $baseSegments     = explode('/', $base->path);
        $relativeSegments = explode('/', $relative->path);
        $len = min(count($baseSegments), count($relativeSegments)) - 1;  // do not move beyond last segment

        $pos = 0;

        while (($baseSegments[$pos] === $relativeSegments[$pos]) && ($pos < $len)) {
            $pos++;
        }

        $relative->path = '';
        $numBaseSegments = count($baseSegments) - $pos - 1;
        if ($numBaseSegments > 0) {
            $relative->path .= str_repeat('../', $numBaseSegments);
        }

        if (($baseSegments[$pos] !== $relativeSegments[$pos]) ||
            ((null === $relative->query) && (null === $relative->fragment)) ||
            ($base->path === '')) {
            // if the two paths differ or if there's neither a query component nor a fragment
            // or there is no base path, we need to consider this IRI's path

            if (($relative->path === '') && (false !== strpos($relativeSegments[$pos], ':'))) {
                // if the first path segment contains a colon, we need to
                // prepend a ./ to distinguish it from an absolute IRI
                $relative->path .= './';
            }

            $relative->path .= implode('/', array_slice($relativeSegments, $pos));

            // .. and ensure that the resulting path isn't empty
            if (($relative->path === '')) {
                $relative->path .= './';
            }
        }

        if ($relative->query !== $base->query) {
            return $relative;
        }

        if (null !== $relative->fragment) {
            $relative->query = null;
        }

        return $relative;
    }

    /**
     * Convert an IRI to a relative IRI reference using this IRI as base
     *
     * This method provides a more convenient interface than the
     * {@link IRI::relativeTo()} method if the base IRI stays the same while
     * the IRIs to convert to relative IRI references change.
     *
     * @param  string|IRI $iri The IRI to convert to a relative reference
     * @param bool             Defines whether schema-relative IRIs such
     *                         as `//example.com` should be created (`true`)
     *                         or not (`false`).
     *
     * @throws \InvalidArgumentException If an invalid IRI is passed.
     *
     * @see \ML\IRI\IRI::relativeTo()
     *
     * @return IRI      The relative IRI reference
     */
    public function baseFor($iri, $schemaRelative = false)
    {
        if (false === ($iri instanceof IRI)) {
            $iri = new IRI($iri);
        }

        return $iri->relativeTo($this, $schemaRelative);
    }

    /**
     * Get a string representation of this IRI object
     *
     * @return string A string representation of this IRI instance.
     *
     * @api
     */
    public function __toString()
    {
        $result = '';

        if ($this->scheme) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
            $result .= $this->scheme . ':';
        }

        if (null !== ($authority = $this->getAuthority())) {
            $result .= '//' . $authority;
        }

        $result .= $this->path;

        if (null !== $this->query) {
            $result .= '?' . $this->query;
        }

        if (null !== $this->fragment) {
            $result .= '#' . $this->fragment;
        }

        return $result;
    }

    /**
     * Parse an IRI into it's components
     *
     * This is done according to
     * {@link http://tools.ietf.org/html/rfc3986#section-3.1 RFC3986}.
     *
     * @param string $iri The IRI to parse.
     */
    protected function parse($iri)
    {
        // Parse IRI by using the regular expression as specified by
        // http://tools.ietf.org/html/rfc3986#appendix-B
        $regex = '|^((?P<scheme>[^:/?#]+):)?' .
                    '((?P<doubleslash>//)(?P<authority>[^/?#]*))?(?P<path>[^?#]*)' .
                    '((?P<querydef>\?)(?P<query>[^#]*))?(#(?P<fragment>.*))?|';
        preg_match($regex, $iri, $match);

        // Extract scheme
        if (false === empty($match['scheme'])) {
            $this->scheme = $match['scheme'];
        }

        // Parse authority (http://tools.ietf.org/html/rfc3986#section-3.2)
        if ('//' === $match['doubleslash']) {
            if (0 === strlen($match['authority'])) {
                $this->host = '';
            } else {
                $authority = $match['authority'];

                // Split authority into userinfo and host
                // (use last @ to ignore unescaped @ symbols)
                if (false !== ($pos = strrpos($authority, '@'))) {

                    $this->userinfo = substr($authority, 0, $pos);
                    $authority = substr($authority, $pos + 1);
                }

                // Split authority into host and port
                $hostEnd = 0;
                if ((strlen($authority) > 0) &&
                    ('[' === $authority[0]) &&
                    (false !== ($pos = strpos($authority, ']')))) {
                    $hostEnd = $pos;
                }

                if ((false !== ($pos = strrpos($authority, ':'))) && ($pos > $hostEnd)) {
                    $this->host = substr($authority, 0, $pos);
                    $this->port = substr($authority, $pos + 1);
                } else {
                    $this->host = $authority;
                }
            }
        }

        // Extract path (http://tools.ietf.org/html/rfc3986#section-3.3)
        // The path is always present but might be empty
        $this->path = $match['path'];

        // Extract query (http://tools.ietf.org/html/rfc3986#section-3.4)
        if (false === empty($match['querydef'])) {
            $this->query = $match['query'];
        }

        // Extract fragment (http://tools.ietf.org/html/rfc3986#section-3.5)
        if (isset($match['fragment'])) {
            $this->fragment = $match['fragment'];
        }
    }

    /**
     * Remove dot-segments
     *
     * This method removes the special "." and ".." complete path segments
     * from an IRI.
     *
     * @param string $input The IRI from which dot segments should be removed.
     *
     * @return string The IRI with all dot-segments removed.
     *
     * @link http://tools.ietf.org/html/rfc3986#section-5.2.4
     */
    private static function removeDotSegments($input)
    {
        $output = '';

        while (strlen($input) > 0) {
            if (('../' === substr($input, 0, 3)) || ('./' === substr($input, 0, 2))) {
                $input = substr($input, strpos($input, '/'));
            } elseif ('/./' === substr($input, 0, 3)) {
                $input = substr($input, 2);
            } elseif ('/.' === $input) {
                $input = '/';
            } elseif (('/../' === substr($input, 0, 4)) || ('/..' === $input)) {
                if ($input == '/..') {
                    $input = '/';
                } else {
                    $input = substr($input, 3);
                }

                if (false !== ($end = strrpos($output, '/'))) {

                    $output = substr($output, 0, $end);
                } else {
                    $output = '';
                }
            } elseif (('..' === $input) || ('.' === $input)) {
                $input = '';
            } else {
                if (false === ($end = strpos($input, '/', 1))) {
                    $output .= $input;
                    $input = '';
                } else {
                    $output .= substr($input, 0, $end);
                    $input = substr($input, $end);
                }
            }
        }
        return $output;
    }
}


1			<?php
2
3			/*
4			* (c) Markus Lanthaler <[email protected]>
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 ML\IRI;
11
12			/**
13			* IRI represents an IRI as per RFC3987.
14			*
15			* @author Markus Lanthaler <[email protected]>
16			*
17			* @link http://tools.ietf.org/html/rfc3987 RFC3987
18			*/
19			class IRI
20			{
21			/**
22			* The scheme
23			*
24			* @var string\|null
25			*/
26			private $scheme = null;
27
28			/**
29			* The user information
30			*
31			* @var string\|null
32			*/
33			private $userinfo = null;
34
35			/**
36			* The host
37			*
38			* @var string\|null
39			*/
40			private $host = null;
41
42			/**
43			* The port
44			*
45			* @var string\|null
46			*/
47			private $port = null;
48
49			/**
50			* The path
51			*
52			* @var string
53			*/
54			private $path = '';
55
56			/**
57			* The query component
58			*
59			* @var string\|null
60			*/
61			private $query = null;
62
63			/**
64			* The fragment identifier
65			*
66			* @var string\|null
67			*/
68			private $fragment = null;
69
70
71			/**
72			* Constructor
73			*
74			* @param null\|string\|IRI $iri The IRI.
75			*
76			* @throws \InvalidArgumentException If an invalid IRI is passed.
77			*
78			* @api
79			*/
80	802		public function __construct($iri = null)
81			{
82	802		if (null === $iri) {
83	4		return;
84	802		} elseif (is_string($iri)) {
85	801		$this->parse($iri);
86	802		} elseif ($iri instanceof IRI) {
87	12		$this->scheme = $iri->scheme;
88	12		$this->userinfo = $iri->userinfo;
89	12		$this->host = $iri->host;
90	12		$this->port = $iri->port;
91	12		$this->path = $iri->path;
92	12		$this->query = $iri->query;
93	12		$this->fragment = $iri->fragment;
94	12		} else {
95	1		throw new \InvalidArgumentException(
96			'Expecting a string or an IRI, got ' .
97	1		(is_object($iri) ? get_class($iri) : gettype($iri))
98	1		);
99			}
100	801		}
101
102			/**
103			* Get the scheme
104			*
105			* @return string\|null Returns the scheme or null if not set.
106			*/
107	12		public function getScheme()
108			{
109	12		return $this->scheme;
110			}
111
112			/**
113			* Get the authority
114			*
115			* @return string\|null Returns the authority or null if not set.
116			*/
117	724		public function getAuthority()
118			{
119	724		$authority = null;
120
121	724		if (null !== $this->host) {
122
123	487		if (null !== $this->userinfo) {
124	17		$authority .= $this->userinfo . '@';
125	17		}
126	487		$authority .= $this->host;
127	487		if (null !== $this->port) {
128	53		$authority .= ':' . $this->port;
129	53		}
130	487		}
131
132	724		return $authority;
133			}
134
135			/**
136			* Get the user information
137			*
138			* @return string\|null Returns the user information or null if not set.
139			*/
140	12		public function getUserInfo()
141			{
142	12		return $this->userinfo;
143			}
144
145			/**
146			* Get the host
147			*
148			* @return string\|null Returns the host or null if not set.
149			*/
150	12		public function getHost()
151			{
152	12		return $this->host;
153			}
154
155			/**
156			* Get the port
157			*
158			* @return string\|null Returns the port or null if not set.
159			*/
160	12		public function getPort()
161			{
162	12		return $this->port;
163			}
164
165			/**
166			* Get the path
167			*
168			* @return string Returns the path which might be empty.
169			*/
170	12		public function getPath()
171			{
172	12		return $this->path;
173			}
174
175			/**
176			* Get the query component
177			*
178			* @return string\|null Returns the query component or null if not set.
179			*/
180	12		public function getQuery()
181			{
182	12		return $this->query;
183			}
184
185			/**
186			* Get the fragment identifier
187			*
188			* @return string\|null Returns the fragment identifier or null if not set.
189			*/
190	12		public function getFragment()
191			{
192	12		return $this->fragment;
193			}
194
195			/**
196			* Find out whether the IRI is absolute
197			*
198			* @return bool Returns true if the IRI is absolute, false otherwise.
199			*
200			* @api
201			*/
202	78		public function isAbsolute()
203			{
204	78		return (null !== $this->scheme);
205			}
206
207			/**
208			* Get as absolute IRI, i.e., without fragment identifier
209			*
210			* @return IRI The absolute IRI, i.e., without fragment identifier
211			*
212			* @throws \UnexpectedValueException If the IRI is a relative IRI.
213			*
214			* @link http://tools.ietf.org/html/rfc3987#section-2.2 RFC3987 absolute-IRI
215			*
216			* @api
217			*/
218	2		public function getAbsoluteIri()
219			{
220	2		if (false === $this->isAbsolute()) {
221	1		throw new \UnexpectedValueException('Cannot get the absolute IRI of a relative IRI.');
222			}
223
224	1		$absolute = clone $this;
225	1		$absolute->fragment = null;
226
227	1		return $absolute;
228			}
229
230			/**
231			* Check whether the passed IRI is equal
232			*
233			* @param IRI\|string $iri IRI to compare to this instance.
234			*
235			* @return bool Returns true if the two IRIs are equal, false otherwise.
236			*
237			* @api
238			*/
239	12		public function equals($iri)
240			{
241			// Make sure both instances are strings
242	12		return ($this->__toString() === (string)$iri);
243			}
244
245			/**
246			* Resolve a (relative) IRI reference against this IRI
247			*
248			* @param IRI\|string $reference The (relative) IRI reference that should
249			* be resolved against this IRI.
250			*
251			* @return IRI The resolved IRI.
252			*
253			* @throws \InvalidArgumentException If an invalid IRI is passed.
254			*
255			* @link http://tools.ietf.org/html/rfc3986#section-5.2
256			*
257			* @api
258			*/
259	654		public function resolve($reference)
260			{
261	654		$reference = new IRI($reference);
262
263	654		$scheme = null;
			0 ignored issues – show Unused Code introduced 2015-12-30 14:09 UTC by Report Bug Copy Issue Report `$scheme` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
264	654		$authority = null;
			0 ignored issues – show Unused Code introduced 2015-12-30 14:09 UTC by Report Bug Copy Issue Report `$authority` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
265	654		$path = '';
266	654		$query = null;
			0 ignored issues – show Unused Code introduced 2015-12-30 14:09 UTC by Report Bug Copy Issue Report `$query` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
267	654		$fragment = null;
			0 ignored issues – show Unused Code introduced 2015-12-30 14:09 UTC by Report Bug Copy Issue Report `$fragment` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
268
269			// The Transform References algorithm as specified by RFC3986
270			// see: http://tools.ietf.org/html/rfc3986#section-5.2.2
271	654		if ($reference->scheme) {
			0 ignored issues – show Bug Best Practice introduced 2015-12-30 14:09 UTC by Report Bug Copy Issue Report The expression `$reference->scheme` of type `string\|null` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
272	219		$scheme = $reference->scheme;
273	219		$authority = $reference->getAuthority();
274	219		$path = self::removeDotSegments($reference->path);
275	219		$query = $reference->query;
276	219		} else {
277	435		if (null !== $reference->getAuthority()) {
278	33		$authority = $reference->getAuthority();
279	33		$path = self::removeDotSegments($reference->path);
280	33		$query = $reference->query;
281	33		} else {
282	402		if (0 === strlen($reference->path)) {
283	48		$path = $this->path;
284	48		if (null !== $reference->query) {
285	13		$query = $reference->query;
286	13		} else {
287	35		$query = $this->query;
288			}
289	48		} else {
290	354		if ('/' === $reference->path[0]) {
291	72		$path = self::removeDotSegments($reference->path);
292	72		} else {
293			// T.path = merge(Base.path, R.path);
294	282		if ((null !== $this->getAuthority()) && ('' === $this->path)) {
295	100		$path = '/' . $reference->path;
296	100		} else {
297	182		if (false !== ($end = strrpos($this->path, '/'))) {
298	163		$path = substr($this->path, 0, $end + 1);
299	163		}
300	182		$path .= $reference->path;
301			}
302	282		$path = self::removeDotSegments($path);
303			}
304	354		$query = $reference->query;
305			}
306
307	402		$authority = $this->getAuthority();
308			}
309	435		$scheme = $this->scheme;
310			}
311
312	654		$fragment = $reference->fragment;
313
314
315			// The Component Recomposition algorithm as specified by RFC3986
316			// see: http://tools.ietf.org/html/rfc3986#section-5.3
317	654		$result = '';
318
319	654		if ($scheme) {
			0 ignored issues – show Bug Best Practice introduced 2015-12-30 14:09 UTC by Report Bug Copy Issue Report The expression `$scheme` of type `string\|null` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
320	649		$result = $scheme . ':';
321	649		}
322
323	654		if (null !== $authority) {
324	434		$result .= '//' . $authority;
325	434		}
326
327	654		$result .= $path;
328
329	654		if (null !== $query) {
330	62		$result .= '?' . $query;
331	62		}
332
333	654		if (null !== $fragment) {
334	61		$result .= '#' . $fragment;
335	61		}
336
337	654		return new IRI($result);
338			}
339
340			/**
341			* Transform this IRI to a IRI reference relative to the passed base IRI
342			*
343			* @param IRI\|string $base The (relative) IRI reference that should be
344			* be used as base IRI.
345			* @param bool Defines whether schema-relative IRIs such
346			* as `//example.com` should be created (`true`)
347			* or not (`false`).
348			*
349			* @return IRI The IRI reference relative to the passed base IRI.
350			*
351			* @throws \InvalidArgumentException If an invalid IRI is passed.
352			*
353			* @api
354			*/
355	57		public function relativeTo($base, $schemaRelative = false)
356			{
357	57		if (false === ($base instanceof IRI)) {
358	57		$base = new IRI($base);
359	57		}
360	57		$relative = clone $this;
361
362			// Compare scheme
363	57		if ($relative->scheme !== $base->scheme) {
364	5		return $relative;
365			}
366
367			// Compare authority
368	52		if ($relative->getAuthority() !== $base->getAuthority()) {
369	8		if (true === $schemaRelative) {
370	4		$relative->scheme = null;
371	4		}
372
373	8		return $relative;
374			}
375	44		$relative->scheme = null;
376	44		$relative->host = null;
377	44		$relative->userinfo = null;
378	44		$relative->port = null;
379
380			// Compare path
381	44		$baseSegments = explode('/', $base->path);
382	44		$relativeSegments = explode('/', $relative->path);
383	44		$len = min(count($baseSegments), count($relativeSegments)) - 1; // do not move beyond last segment
384
385	44		$pos = 0;
386
387	44		while (($baseSegments[$pos] === $relativeSegments[$pos]) && ($pos < $len)) {
388	43		$pos++;
389	43		}
390
391	44		$relative->path = '';
392	44		$numBaseSegments = count($baseSegments) - $pos - 1;
393	44		if ($numBaseSegments > 0) {
394	18		$relative->path .= str_repeat('../', $numBaseSegments);
395	18		}
396
397	44		if (($baseSegments[$pos] !== $relativeSegments[$pos]) \|\|
398	14		((null === $relative->query) && (null === $relative->fragment)) \|\|
399	44		($base->path === '')) {
400			// if the two paths differ or if there's neither a query component nor a fragment
401			// or there is no base path, we need to consider this IRI's path
402
403	38		if (($relative->path === '') && (false !== strpos($relativeSegments[$pos], ':'))) {
404			// if the first path segment contains a colon, we need to
405			// prepend a ./ to distinguish it from an absolute IRI
406	1		$relative->path .= './';
407	1		}
408
409	38		$relative->path .= implode('/', array_slice($relativeSegments, $pos));
410
411			// .. and ensure that the resulting path isn't empty
412	38		if (($relative->path === '')) {
413	4		$relative->path .= './';
414	4		}
415	38		}
416
417	44		if ($relative->query !== $base->query) {
418	5		return $relative;
419			}
420
421	39		if (null !== $relative->fragment) {
422	12		$relative->query = null;
423	12		}
424
425	39		return $relative;
426			}
427
428			/**
429			* Convert an IRI to a relative IRI reference using this IRI as base
430			*
431			* This method provides a more convenient interface than the
432			* {@link IRI::relativeTo()} method if the base IRI stays the same while
433			* the IRIs to convert to relative IRI references change.
434			*
435			* @param string\|IRI $iri The IRI to convert to a relative reference
436			* @param bool Defines whether schema-relative IRIs such
437			* as `//example.com` should be created (`true`)
438			* or not (`false`).
439			*
440			* @throws \InvalidArgumentException If an invalid IRI is passed.
441			*
442			* @see \ML\IRI\IRI::relativeTo()
443			*
444			* @return IRI The relative IRI reference
445			*/
446	57		public function baseFor($iri, $schemaRelative = false)
447			{
448	57		if (false === ($iri instanceof IRI)) {
449	57		$iri = new IRI($iri);
450	57		}
451
452	57		return $iri->relativeTo($this, $schemaRelative);
453			}
454
455			/**
456			* Get a string representation of this IRI object
457			*
458			* @return string A string representation of this IRI instance.
459			*
460			* @api
461			*/
462	724		public function __toString()
463			{
464	724		$result = '';
465
466	724		if ($this->scheme) {
			0 ignored issues – show Bug Best Practice introduced 2015-12-30 14:09 UTC by Report Bug Copy Issue Report The expression `$this->scheme` of type `string\|null` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
467	719		$result .= $this->scheme . ':';
468	719		}
469
470	724		if (null !== ($authority = $this->getAuthority())) {
471	487		$result .= '//' . $authority;
472	487		}
473
474	724		$result .= $this->path;
475
476	724		if (null !== $this->query) {
477	72		$result .= '?' . $this->query;
478	72		}
479
480	724		if (null !== $this->fragment) {
481	81		$result .= '#' . $this->fragment;
482	81		}
483
484	724		return $result;
485			}
486
487			/**
488			* Parse an IRI into it's components
489			*
490			* This is done according to
491			* {@link http://tools.ietf.org/html/rfc3986#section-3.1 RFC3986}.
492			*
493			* @param string $iri The IRI to parse.
494			*/
495	801		protected function parse($iri)
496			{
497			// Parse IRI by using the regular expression as specified by
498			// http://tools.ietf.org/html/rfc3986#appendix-B
499			$regex = '\|^((?P<scheme>[^:/?#]+):)?' .
500	801		'((?P<doubleslash>//)(?P<authority>[^/?#]))?(?P<path>[^?#])' .
501	801		'((?P<querydef>\?)(?P<query>[^#]))?(#(?P<fragment>.))?\|';
502	801		preg_match($regex, $iri, $match);
503
504			// Extract scheme
505	801		if (false === empty($match['scheme'])) {
506	742		$this->scheme = $match['scheme'];
507	742		}
508
509			// Parse authority (http://tools.ietf.org/html/rfc3986#section-3.2)
510	801		if ('//' === $match['doubleslash']) {
511	603		if (0 === strlen($match['authority'])) {
512	201		$this->host = '';
513	201		} else {
514	430		$authority = $match['authority'];
515
516			// Split authority into userinfo and host
517			// (use last @ to ignore unescaped @ symbols)
518	430	View Code Duplication	if (false !== ($pos = strrpos($authority, '@'))) {
			0 ignored issues – show Duplication introduced 2015-12-30 14:09 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
519	17		$this->userinfo = substr($authority, 0, $pos);
520	17		$authority = substr($authority, $pos + 1);
521	17		}
522
523			// Split authority into host and port
524	430		$hostEnd = 0;
525	430		if ((strlen($authority) > 0) &&
526	430		('[' === $authority[0]) &&
527	430		(false !== ($pos = strpos($authority, ']')))) {
528	19		$hostEnd = $pos;
529	19		}
530
531	430		if ((false !== ($pos = strrpos($authority, ':'))) && ($pos > $hostEnd)) {
532	57		$this->host = substr($authority, 0, $pos);
533	57		$this->port = substr($authority, $pos + 1);
534	57		} else {
535	395		$this->host = $authority;
536			}
537			}
538	603		}
539
540			// Extract path (http://tools.ietf.org/html/rfc3986#section-3.3)
541			// The path is always present but might be empty
542	801		$this->path = $match['path'];
543
544			// Extract query (http://tools.ietf.org/html/rfc3986#section-3.4)
545	801		if (false === empty($match['querydef'])) {
546	130		$this->query = $match['query'];
547	130		}
548
549			// Extract fragment (http://tools.ietf.org/html/rfc3986#section-3.5)
550	801		if (isset($match['fragment'])) {
551	117		$this->fragment = $match['fragment'];
552	117		}
553	801		}
554
555			/**
556			* Remove dot-segments
557			*
558			* This method removes the special "." and ".." complete path segments
559			* from an IRI.
560			*
561			* @param string $input The IRI from which dot segments should be removed.
562			*
563			* @return string The IRI with all dot-segments removed.
564			*
565			* @link http://tools.ietf.org/html/rfc3986#section-5.2.4
566			*/
567	606		private static function removeDotSegments($input)
568			{
569	606		$output = '';
570
571	606		while (strlen($input) > 0) {
572	564		if (('../' === substr($input, 0, 3)) \|\| ('./' === substr($input, 0, 2))) {
573	1		$input = substr($input, strpos($input, '/'));
574	564		} elseif ('/./' === substr($input, 0, 3)) {
575	29		$input = substr($input, 2);
576	564		} elseif ('/.' === $input) {
577	10		$input = '/';
578	564		} elseif (('/../' === substr($input, 0, 4)) \|\| ('/..' === $input)) {
579	61		if ($input == '/..') {
580	12		$input = '/';
581	12		} else {
582	54		$input = substr($input, 3);
583			}
584
585	61	View Code Duplication	if (false !== ($end = strrpos($output, '/'))) {
			0 ignored issues – show Duplication introduced 2015-12-30 14:09 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
586	49		$output = substr($output, 0, $end);
587	49		} else {
588	20		$output = '';
589			}
590	564		} elseif (('..' === $input) \|\| ('.' === $input)) {
591	3		$input = '';
592	3		} else {
593	561		if (false === ($end = strpos($input, '/', 1))) {
594	561		$output .= $input;
595	561		$input = '';
596	561		} else {
597	240		$output .= substr($input, 0, $end);
598	240		$input = substr($input, $end);
599			}
600			}
601	564		}
602	606		return $output;
603			}
604			}
605

lanthaler / IRI

IRI::getScheme() A last analyzed 2018-08-20 21:26 UTC

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IRI::getScheme() A
last analyzed 2018-08-20 21:26 UTC