Url::extractAttributesFromSegment() - Code Metrics - Inspection of "Merge pull request #83 from ARCANEDEV/update-docs" - ARCANEDEV/Localization - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( da0a0d...04a8d9 )

by ARCANEDEV

created 2017-02-08 13:27 UTC

Url::extractAttributesFromSegment() B

↳ Parent: Url

Complexity

Conditions	5
Paths	4

Size

Total Lines	17
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	5

Importance

Changes

Metric	Value
cc	5
eloc	9
nc	4
nop	6
dl	0
loc	17
ccs	9
cts	9
cp	1
crap	5
rs	8.8571
c	0
b	0
f	0

<?php namespace Arcanedev\Localization\Utilities;

use Arcanedev\Localization\Contracts\RouteBindable;
use Arcanedev\Localization\Contracts\Url as UrlContract;
use Illuminate\Http\Request;

/**
 * Class     Url
 *
 * @package  Arcanedev\Localization\Utilities
 * @author   ARCANEDEV <[email protected]>
 *
 * @todo:    Refactoring
 */
class Url implements UrlContract
{
    /* ------------------------------------------------------------------------------------------------
     |  Main Functions
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * Extract attributes for current url.
     *
     * @param  bool|false|string  $url
     *
     * @return array
     */
    public static function extractAttributes($url = false)
    {
        $parse  = parse_url($url);
        $path   = isset($parse['path']) ? explode('/', $parse['path']) : [];
        $url    = [];

        foreach ($path as $segment) {
            if ( ! empty($segment)) $url[] = $segment;
        }

        /** @var \Illuminate\Routing\Router $router */
        $router = app('router');

        return self::extractAttributesFromRoutes($url, $router->getRoutes());
    }

    /**
     * Change uri attributes (wildcards) for the ones in the $attributes array.
     *
     * @param  array   $attributes
     * @param  string  $uri
     *
     * @return string
     */
    public static function substituteAttributes(array $attributes, $uri)
    {
        foreach ($attributes as $key => $value) {
            if ($value instanceof RouteBindable) {
                $value = $value->getWildcardValue();
            }

            $uri = str_replace(['{' . $key . '?}', '{' . $key . '}'], $value, $uri);
        }

        // delete empty optional arguments that are not in the $attributes array
        return preg_replace('/\/{[^)]+\?}/', '', $uri);
    }

    /**
     * Build URL using array data from parse_url.
     *
     * @param  array|false  $parsed
     *
     * @return string
     */
    public static function unparse($parsed)
    {
        if (empty($parsed)) return '';

        self::checkParsedUrl($parsed);

        $url  = self::getUrl($parsed);
        $url .= self::getQuery($parsed);
        $url .= self::getFragment($parsed);

        return $url;
    }

    /* ------------------------------------------------------------------------------------------------
     |  Extract Functions
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * Extract attributes from routes.
     *
     * @param  array                                $url
     * @param  \Illuminate\Routing\RouteCollection  $routes
     *
     * @return array
     */
    private static function extractAttributesFromRoutes($url, $routes)
    {
        $attributes = [];

        foreach ($routes as $route) {
            /**
             * @var  \Illuminate\Routing\Route  $route
             * @var  \Illuminate\Http\Request   $request
             */
            $request = Request::create(implode('/', $url));

            if ( ! $route->matches($request)) {
                continue;
            }

            $match = self::hasAttributesFromUriPath($url, $route->uri(), $attributes);

            if ($match)
                break;
        }

        return $attributes;
    }

    /**
     * Check if has attributes from a route.
     *
     * @param  array   $url
     * @param  string  $path
     * @param  array   $attributes
     *
     * @return bool
     */
    private static function hasAttributesFromUriPath($url, $path, &$attributes)
    {
        $i     = 0;
        $match = true;
        $path  = explode('/', $path);

        foreach ($path as $j => $segment) {
            if (isset($url[$i])) {
                if ($segment !== $url[$i]) {
                    self::extractAttributesFromSegment($url, $path, $i, $j, $segment, $attributes);
                }

                $i++;
                continue;
            }
            elseif ( ! preg_match('/{[\w]+\?}/', $segment)) {
                // No optional parameters but no more $url given this route does not match the url
                $match = false;
                break;
            }
        }

        if (isset($url[$i + 1]))
            $match = false;

        return $match;
    }

    /**
     * Extract attribute from a segment.
     *
     * @param  array   $url
     * @param  array   $path
     * @param  int     $i
     * @param  int     $j
     * @param  string  $segment
     * @param  array   $attributes
     */
    private static function extractAttributesFromSegment($url, $path, $i, $j, $segment, &$attributes)
    {
        // Required parameters
        if (preg_match('/{[\w]+}/', $segment)) {
            $attributeName              = preg_replace(['/{/', '/\?/', '/}/'], '', $segment);
            $attributes[$attributeName] = $url[$i];
        }

        // Optional parameter
        if (
            preg_match('/{[\w]+\?}/', $segment) &&
            ( ! isset($path[$j + 1]) || $path[$j + 1] !== $url[$i])
        ) {
            $attributeName              = preg_replace(['/{/', '/\?/', '/}/'], '', $segment);
            $attributes[$attributeName] = $url[$i];
        }
    }

    /* ------------------------------------------------------------------------------------------------
     |  Unparse Functions
     | ------------------------------------------------------------------------------------------------
     */
    /**
     * Check parsed URL.
     *
     * @param  array  $parsed
     */
    private static function checkParsedUrl(array &$parsed)
    {
        $scheme    =& $parsed['scheme'];
        $user      =& $parsed['user'];
        $pass      =& $parsed['pass'];
        $host      =& $parsed['host'];
        $port      =& $parsed['port'];
        $path      =& $parsed['path'];
        $path      = '/' . ltrim($path, '/'); // If / is missing for path.
        $query     =& $parsed['query'];
        $fragment  =& $parsed['fragment'];

        $parsed    = compact(
            'scheme', 'user', 'pass', 'host', 'port', 'path', 'query', 'fragment'
        );
    }

    /**
     * Get URL.
     *
     * @param  array  $parsed
     *
     * @return string
     */
    private static function getUrl(array $parsed)
    {
        $url       = '';

        if (strlen($parsed['scheme'])) {
            $url = $parsed['scheme'] . ':' . self::getHierPart($parsed);
        }

        return $url;
    }

    /**
     * Get hier part.
     *
     * @param  array  $parsed
     *
     * @return string
     */
    private static function getHierPart(array $parsed)
    {
        $path      = $parsed['path'];
        $authority = self::getAuthority($parsed);

        if (strlen($authority)) {
            $path = '//' . $authority . $path;
        }

        return $path;
    }

    /**
     * Get authority.
     *
     * @param  array  $parsed
     *
     * @return string
     */
    private static function getAuthority(array $parsed)
    {
        $userInfo  = self::getUserInfo($parsed);
        $host      = self::getHost($parsed);

        if (strlen($userInfo)) {
            return $userInfo . '@' . $host;
        }

        return $host;
    }

    /**
     * Get user info.
     *
     * @param  array  $parsed
     *
     * @return string
     */
    private static function getUserInfo(array $parsed)
    {
        $userInfo = '';

        if (strlen($parsed['pass'])) {
            $userInfo = $parsed['user'] . ':' . $parsed['pass'];
        }

        return $userInfo;
    }

    /**
     * Get host.
     *
     * @param  array  $parsed
     *
     * @return string
     */
    private static function getHost(array $parsed)
    {
        $host = $parsed['host'];

        if ( ! empty((string) $parsed['port'])) {
            $host = $host . ':' . $parsed['port'];
        }

        return $host;
    }

    /**
     * Get Query.
     *
     * @param  array  $parsed
     *
     * @return string
     */
    private static function getQuery(array $parsed)
    {
        $query = '';

        if (strlen($parsed['query'])) {
            $query = '?' . $parsed['query'];
        }

        return $query;
    }

    /**
     * Get fragment.
     *
     * @param  array  $parsed
     *
     * @return string
     */
    private static function getFragment(array $parsed)
    {
        $fragment = '';

        if (strlen($parsed['fragment'])) {
            $fragment = '#' . $parsed['fragment'];
        }

        return $fragment;
    }
}


1		<?php namespace Arcanedev\Localization\Utilities;
2
3		use Arcanedev\Localization\Contracts\RouteBindable;
4		use Arcanedev\Localization\Contracts\Url as UrlContract;
5		use Illuminate\Http\Request;
6
7		/**
8		* Class Url
9		*
10		* @package Arcanedev\Localization\Utilities
11		* @author ARCANEDEV <[email protected]>
12		*
13		* @todo: Refactoring
14		*/
15		class Url implements UrlContract
16		{
17		/* ------------------------------------------------------------------------------------------------
18		\| Main Functions
19		\| ------------------------------------------------------------------------------------------------
20		*/
21		/**
22		* Extract attributes for current url.
23		*
24		* @param bool\|false\|string $url
25		*
26		* @return array
27		*/
28	27	public static function extractAttributes($url = false)
29		{
30	27	$parse = parse_url($url);
31	27	$path = isset($parse['path']) ? explode('/', $parse['path']) : [];
32	27	$url = [];
33
34	27	foreach ($path as $segment) {
35	27	if ( ! empty($segment)) $url[] = $segment;
36		}
37
38		/** @var \Illuminate\Routing\Router $router */
39	27	$router = app('router');
40
41	27	return self::extractAttributesFromRoutes($url, $router->getRoutes());
42		}
43
44		/**
45		* Change uri attributes (wildcards) for the ones in the $attributes array.
46		*
47		* @param array $attributes
48		* @param string $uri
49		*
50		* @return string
51		*/
52	30	public static function substituteAttributes(array $attributes, $uri)
53		{
54	30	foreach ($attributes as $key => $value) {
55	9	if ($value instanceof RouteBindable) {
56	3	$value = $value->getWildcardValue();
57		}
58
59	9	$uri = str_replace(['{' . $key . '?}', '{' . $key . '}'], $value, $uri);
60		}
61
62		// delete empty optional arguments that are not in the $attributes array
63	30	return preg_replace('/\/{[^)]+\?}/', '', $uri);
64		}
65
66		/**
67		* Build URL using array data from parse_url.
68		*
69		* @param array\|false $parsed
70		*
71		* @return string
72		*/
73	30	public static function unparse($parsed)
74		{
75	30	if (empty($parsed)) return '';
76
77	30	self::checkParsedUrl($parsed);
78
79	30	$url = self::getUrl($parsed);
80	30	$url .= self::getQuery($parsed);
81	30	$url .= self::getFragment($parsed);
82
83	30	return $url;
84		}
85
86		/* ------------------------------------------------------------------------------------------------
87		\| Extract Functions
88		\| ------------------------------------------------------------------------------------------------
89		*/
90		/**
91		* Extract attributes from routes.
92		*
93		* @param array $url
94		* @param \Illuminate\Routing\RouteCollection $routes
95		*
96		* @return array
97		*/
98	27	private static function extractAttributesFromRoutes($url, $routes)
99		{
100	27	$attributes = [];
101
102	27	foreach ($routes as $route) {
103		/**
104		* @var \Illuminate\Routing\Route $route
105		* @var \Illuminate\Http\Request $request
106		*/
107	27	$request = Request::create(implode('/', $url));
108
109	27	if ( ! $route->matches($request)) {
110	27	continue;
111		}
112
113	24	$match = self::hasAttributesFromUriPath($url, $route->uri(), $attributes);
114
115	24	if ($match)
116	24	break;
117		}
118
119	27	return $attributes;
120		}
121
122		/**
123		* Check if has attributes from a route.
124		*
125		* @param array $url
126		* @param string $path
127		* @param array $attributes
128		*
129		* @return bool
130		*/
131	24	private static function hasAttributesFromUriPath($url, $path, &$attributes)
132		{
133	24	$i = 0;
134	24	$match = true;
135	24	$path = explode('/', $path);
136
137	24	foreach ($path as $j => $segment) {
138	24	if (isset($url[$i])) {
139	6	if ($segment !== $url[$i]) {
140	3	self::extractAttributesFromSegment($url, $path, $i, $j, $segment, $attributes);
141		}
142
143	6	$i++;
144	6	continue;
145		}
146	24	elseif ( ! preg_match('/{[\w]+\?}/', $segment)) {
147		// No optional parameters but no more $url given this route does not match the url
148	24	$match = false;
149	24	break;
150		}
151		}
152
153	24	if (isset($url[$i + 1]))
154		$match = false;
155
156	24	return $match;
157		}
158
159		/**
160		* Extract attribute from a segment.
161		*
162		* @param array $url
163		* @param array $path
164		* @param int $i
165		* @param int $j
166		* @param string $segment
167		* @param array $attributes
168		*/
169	3	private static function extractAttributesFromSegment($url, $path, $i, $j, $segment, &$attributes)
170		{
171		// Required parameters
172	3	if (preg_match('/{[\w]+}/', $segment)) {
173	3	$attributeName = preg_replace(['/{/', '/\?/', '/}/'], '', $segment);
174	3	$attributes[$attributeName] = $url[$i];
175		}
176
177		// Optional parameter
178		if (
179	3	preg_match('/{[\w]+\?}/', $segment) &&
180	3	( ! isset($path[$j + 1]) \|\| $path[$j + 1] !== $url[$i])
181		) {
182	3	$attributeName = preg_replace(['/{/', '/\?/', '/}/'], '', $segment);
183	3	$attributes[$attributeName] = $url[$i];
184		}
185	3	}
186
187		/* ------------------------------------------------------------------------------------------------
188		\| Unparse Functions
189		\| ------------------------------------------------------------------------------------------------
190		*/
191		/**
192		* Check parsed URL.
193		*
194		* @param array $parsed
195		*/
196	30	private static function checkParsedUrl(array &$parsed)
197		{
198	30	$scheme =& $parsed['scheme'];
199	30	$user =& $parsed['user'];
200	30	$pass =& $parsed['pass'];
201	30	$host =& $parsed['host'];
202	30	$port =& $parsed['port'];
203	30	$path =& $parsed['path'];
204	30	$path = '/' . ltrim($path, '/'); // If / is missing for path.
205	30	$query =& $parsed['query'];
206	30	$fragment =& $parsed['fragment'];
207
208	30	$parsed = compact(
209	30	'scheme', 'user', 'pass', 'host', 'port', 'path', 'query', 'fragment'
210		);
211	30	}
212
213		/**
214		* Get URL.
215		*
216		* @param array $parsed
217		*
218		* @return string
219		*/
220	30	private static function getUrl(array $parsed)
221		{
222	30	$url = '';
223
224	30	if (strlen($parsed['scheme'])) {
225	30	$url = $parsed['scheme'] . ':' . self::getHierPart($parsed);
226		}
227
228	30	return $url;
229		}
230
231		/**
232		* Get hier part.
233		*
234		* @param array $parsed
235		*
236		* @return string
237		*/
238	30	private static function getHierPart(array $parsed)
239		{
240	30	$path = $parsed['path'];
241	30	$authority = self::getAuthority($parsed);
242
243	30	if (strlen($authority)) {
244	30	$path = '//' . $authority . $path;
245		}
246
247	30	return $path;
248		}
249
250		/**
251		* Get authority.
252		*
253		* @param array $parsed
254		*
255		* @return string
256		*/
257	30	private static function getAuthority(array $parsed)
258		{
259	30	$userInfo = self::getUserInfo($parsed);
260	30	$host = self::getHost($parsed);
261
262	30	if (strlen($userInfo)) {
263	3	return $userInfo . '@' . $host;
264		}
265
266	30	return $host;
267		}
268
269		/**
270		* Get user info.
271		*
272		* @param array $parsed
273		*
274		* @return string
275		*/
276	30	private static function getUserInfo(array $parsed)
277		{
278	30	$userInfo = '';
279
280	30	if (strlen($parsed['pass'])) {
281	3	$userInfo = $parsed['user'] . ':' . $parsed['pass'];
282		}
283
284	30	return $userInfo;
285		}
286
287		/**
288		* Get host.
289		*
290		* @param array $parsed
291		*
292		* @return string
293		*/
294	30	private static function getHost(array $parsed)
295		{
296	30	$host = $parsed['host'];
297
298	30	if ( ! empty((string) $parsed['port'])) {
299	3	$host = $host . ':' . $parsed['port'];
300		}
301
302	30	return $host;
303		}
304
305		/**
306		* Get Query.
307		*
308		* @param array $parsed
309		*
310		* @return string
311		*/
312	30	private static function getQuery(array $parsed)
313		{
314	30	$query = '';
315
316	30	if (strlen($parsed['query'])) {
317	3	$query = '?' . $parsed['query'];
318		}
319
320	30	return $query;
321		}
322
323		/**
324		* Get fragment.
325		*
326		* @param array $parsed
327		*
328		* @return string
329		*/
330	30	private static function getFragment(array $parsed)
331		{
332	30	$fragment = '';
333
334	30	if (strlen($parsed['fragment'])) {
335	3	$fragment = '#' . $parsed['fragment'];
336		}
337
338	30	return $fragment;
339		}
340		}
341

ARCANEDEV / Localization

Push — master ( da0a0d...04a8d9 )

Url::extractAttributesFromSegment() B

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