Router::replacePlaceholders() - Code Metrics - Inspection of "Close limoncello-php/framework#34" - limoncello-php-dist/core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( a1d4cc...333bc3 )

by Neomerx

created 2017-01-20 13:59 UTC

Router::replacePlaceholders() C

↳ Parent: Router

Complexity

Conditions	8
Paths	8

Size

Total Lines	40
Code Lines	32

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	28
CRAP Score	8

Importance

Changes

Metric	Value
dl	0
loc	40
c	0
b	0
f	0
ccs	28
cts	28
cp	1
rs	5.3846
cc	8
eloc	32
nc	8
nop	2
crap	8

<?php namespace Limoncello\Core\Routing;

/**
 * Copyright 2015-2016 [email protected] (www.neomerx.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use FastRoute\RouteCollector;
use FastRoute\RouteParser\Std;
use Limoncello\Core\Contracts\Routing\DispatcherInterface;
use Limoncello\Core\Contracts\Routing\GroupInterface;
use Limoncello\Core\Contracts\Routing\RouteInterface;
use Limoncello\Core\Contracts\Routing\RouterInterface;
use LogicException;
use Psr\Http\Message\ServerRequestInterface;

/**
 * @package Limoncello\Core
 */
class Router implements RouterInterface
{
    /**
     * @var false|array
     */
    private $cachedRoutes = false;

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

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

    /**
     * @var DispatcherInterface
     */
    private $dispatcher;

    /**
     * @param string $generatorClass
     * @param string $dispatcherClass
     */
    public function __construct($generatorClass, $dispatcherClass)
    {
        $this->generatorClass  = $generatorClass;
        $this->dispatcherClass = $dispatcherClass;
    }

    /**
     * @inheritdoc
     */
    public function getCachedRoutes(GroupInterface $group)
    {
        $collector = $this->createRouteCollector();

        $routeIndex         = 0;
        $allRoutesInfo      = [];
        $namedRouteUriPaths = [];
        foreach ($group->getRoutes() as $route) {
            /** @var RouteInterface $route */
            $allRoutesInfo[] = [
                $route->getHandler(),
                $route->getMiddleware(),
                $route->getContainerConfigurators(),
                $route->getRequestFactory(),
            ];

            $routeName = $route->getName();
            if (empty($routeName) === false) {
                $namedRouteUriPaths[$routeName] = $route->getUriPath();
            }

            $collector->addRoute($route->getMethod(), $route->getUriPath(), $routeIndex);

            $routeIndex++;
        }

        return [$collector->getData(), $allRoutesInfo, $namedRouteUriPaths];
    }

    /**
     * @inheritdoc
     */
    public function loadCachedRoutes(array $cachedRoutes)
    {
        $this->cachedRoutes  = $cachedRoutes;
        list($collectorData) = $cachedRoutes;

        $this->dispatcher = $this->createDispatcher();
        $this->dispatcher->setData($collectorData);
    }

    /**
     * @inheritdoc
     */
    public function match($method, $uriPath)
    {
        $this->checkRoutesLoaded();

        $result = $this->dispatcher->dispatch($method, $uriPath);

        // Array contains matching result code, allowed methods list, handler parameters list, handler,
        // middleware list, container configurators list, custom request factory.
        switch ($result[0]) {
            case DispatcherInterface::FOUND:
                $routeIndex    = $result[1];
                $handlerParams = $result[2];

                list(, $allRoutesInfo) = $this->cachedRoutes;
                $routeInfo             = $allRoutesInfo[$routeIndex];

                return array_merge([self::MATCH_FOUND, null, $handlerParams], $routeInfo);

            case DispatcherInterface::METHOD_NOT_ALLOWED:
                $allowedMethods = $result[1];

                return [self::MATCH_METHOD_NOT_ALLOWED, $allowedMethods, null, null, null, null, null];

            default:
                return [self::MATCH_NOT_FOUND, null, null, null, null, null, null];
        }
    }

    /**
     * @inheritdoc
     */
    public function getUriPath($routeName)
    {
        $this->checkRoutesLoaded();

        list(, , $namedRouteUriPaths) = $this->cachedRoutes;

        $result = array_key_exists($routeName, $namedRouteUriPaths) === true ? $namedRouteUriPaths[$routeName] : null;

        return $result;
    }

    /**
     * @inheritdoc
     */
    public function get(
        ServerRequestInterface $request,
        $routeName,
        array $placeholders = [],
        array $queryParams = []
    ) {
        $prefix = $this->getServerUriPrefix($request);
        $path   = $this->getUriPath($routeName);
        $path   = $this->replacePlaceholders($path, $placeholders);
        $url    = empty($queryParams) === true ? "$prefix$path" : "$prefix$path?" . http_build_query($queryParams);
// Instead of
$x = "foo $bar $baz";

// Better use either
$x = "foo " . $bar . " " . $baz;
$x = sprintf("foo %s %s", $bar, $baz);

        return $url;
    }

    /**
     * @return RouteCollector
     */
    protected function createRouteCollector()
    {
        return new RouteCollector(new Std(), new $this->generatorClass);
    }

    /**
     * @return DispatcherInterface
     */
    protected function createDispatcher()
    {
        return new $this->dispatcherClass;
    }

    /**
     * @param ServerRequestInterface $request
     *
     * @return string
     */
    private function getServerUriPrefix(ServerRequestInterface $request)
    {
        $uri       = $request->getUri();
        $uriScheme = $uri->getScheme();
        $uriHost   = $uri->getHost();
        $uriPort   = $uri->getPort();
        $prefix    = empty($uriPort) === true ? "$uriScheme://$uriHost" : "$uriScheme://$uriHost:$uriPort";
// Instead of
$x = "foo $bar $baz";

// Better use either
$x = "foo " . $bar . " " . $baz;
$x = sprintf("foo %s %s", $bar, $baz);

        return $prefix;
    }

    /**
     * @param string $path
     * @param array  $placeholders
     *
     * @return string
     */
    private function replacePlaceholders($path, array $placeholders)
    {
        $result            = '';
        $inPlaceholder     = false;
        $curPlaceholder    = null;
        $inPlaceholderName = false;
        $pathLength        = strlen($path);
        for ($index = 0; $index < $pathLength; ++$index) {
            $character = $path[$index];
            switch ($character) {
                case '{':
                    $inPlaceholder     = true;
                    $inPlaceholderName = true;
                    break;
                case '}':
                    if (array_key_exists($curPlaceholder, $placeholders) === true) {
                        $result .= $placeholders[$curPlaceholder];
                    } else {
                        $result .= '{' . $curPlaceholder . '}';
                    }
                    $inPlaceholder     = false;
                    $curPlaceholder    = null;
                    $inPlaceholderName = false;
                    break;
                default:
                    if ($inPlaceholder === false) {
                        $result .= $character;
                    } else {
                        if ($character === ':') {
                            $inPlaceholderName = false;
                        } elseif ($inPlaceholderName === true) {
                            $curPlaceholder .= $character;
                        }
                    }
                    break;
            }
        }

        return $result;
    }

    /**
     * @return void
     */
    private function checkRoutesLoaded()
    {
        if ($this->cachedRoutes === false) {
            throw new LogicException('Routes are not loaded yet.');
        }
    }
}


1		<?php namespace Limoncello\Core\Routing;
2
3		/**
4		* Copyright 2015-2016 [email protected] (www.neomerx.com)
5		*
6		* Licensed under the Apache License, Version 2.0 (the "License");
7		* you may not use this file except in compliance with the License.
8		* You may obtain a copy of the License at
9		*
10		* http://www.apache.org/licenses/LICENSE-2.0
11		*
12		* Unless required by applicable law or agreed to in writing, software
13		* distributed under the License is distributed on an "AS IS" BASIS,
14		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15		* See the License for the specific language governing permissions and
16		* limitations under the License.
17		*/
18
19		use FastRoute\RouteCollector;
20		use FastRoute\RouteParser\Std;
21		use Limoncello\Core\Contracts\Routing\DispatcherInterface;
22		use Limoncello\Core\Contracts\Routing\GroupInterface;
23		use Limoncello\Core\Contracts\Routing\RouteInterface;
24		use Limoncello\Core\Contracts\Routing\RouterInterface;
25		use LogicException;
26		use Psr\Http\Message\ServerRequestInterface;
27
28		/**
29		* @package Limoncello\Core
30		*/
31		class Router implements RouterInterface
32		{
33		/**
34		* @var false\|array
35		*/
36		private $cachedRoutes = false;
37
38		/**
39		* @var string
40		*/
41		private $generatorClass;
42
43		/**
44		* @var string
45		*/
46		private $dispatcherClass;
47
48		/**
49		* @var DispatcherInterface
50		*/
51		private $dispatcher;
52
53		/**
54		* @param string $generatorClass
55		* @param string $dispatcherClass
56		*/
57	12	public function __construct($generatorClass, $dispatcherClass)
58		{
59	12	$this->generatorClass = $generatorClass;
60	12	$this->dispatcherClass = $dispatcherClass;
61	12	}
62
63		/**
64		* @inheritdoc
65		*/
66	11	public function getCachedRoutes(GroupInterface $group)
67		{
68	11	$collector = $this->createRouteCollector();
69
70	11	$routeIndex = 0;
71	11	$allRoutesInfo = [];
72	11	$namedRouteUriPaths = [];
73	11	foreach ($group->getRoutes() as $route) {
74		/** @var RouteInterface $route */
75	11	$allRoutesInfo[] = [
76	11	$route->getHandler(),
77	11	$route->getMiddleware(),
78	11	$route->getContainerConfigurators(),
79	11	$route->getRequestFactory(),
80		];
81
82	11	$routeName = $route->getName();
83	11	if (empty($routeName) === false) {
84	6	$namedRouteUriPaths[$routeName] = $route->getUriPath();
85		}
86
87	11	$collector->addRoute($route->getMethod(), $route->getUriPath(), $routeIndex);
88
89	11	$routeIndex++;
90		}
91
92	11	return [$collector->getData(), $allRoutesInfo, $namedRouteUriPaths];
93		}
94
95		/**
96		* @inheritdoc
97		*/
98	11	public function loadCachedRoutes(array $cachedRoutes)
99		{
100	11	$this->cachedRoutes = $cachedRoutes;
101	11	list($collectorData) = $cachedRoutes;
102
103	11	$this->dispatcher = $this->createDispatcher();
104	11	$this->dispatcher->setData($collectorData);
105	11	}
106
107		/**
108		* @inheritdoc
109		*/
110	11	public function match($method, $uriPath)
111		{
112	11	$this->checkRoutesLoaded();
113
114	10	$result = $this->dispatcher->dispatch($method, $uriPath);
115
116		// Array contains matching result code, allowed methods list, handler parameters list, handler,
117		// middleware list, container configurators list, custom request factory.
118	10	switch ($result[0]) {
119	10	case DispatcherInterface::FOUND:
120	8	$routeIndex = $result[1];
121	8	$handlerParams = $result[2];
122
123	8	list(, $allRoutesInfo) = $this->cachedRoutes;
124	8	$routeInfo = $allRoutesInfo[$routeIndex];
125
126	8	return array_merge([self::MATCH_FOUND, null, $handlerParams], $routeInfo);
127
128	6	case DispatcherInterface::METHOD_NOT_ALLOWED:
129	5	$allowedMethods = $result[1];
130
131	5	return [self::MATCH_METHOD_NOT_ALLOWED, $allowedMethods, null, null, null, null, null];
132
133		default:
134	5	return [self::MATCH_NOT_FOUND, null, null, null, null, null, null];
135		}
136		}
137
138		/**
139		* @inheritdoc
140		*/
141	5	public function getUriPath($routeName)
142		{
143	5	$this->checkRoutesLoaded();
144
145	5	list(, , $namedRouteUriPaths) = $this->cachedRoutes;
146
147	5	$result = array_key_exists($routeName, $namedRouteUriPaths) === true ? $namedRouteUriPaths[$routeName] : null;
148
149	5	return $result;
150		}
151
152		/**
153		* @inheritdoc
154		*/
155	1	public function get(
156		ServerRequestInterface $request,
157		$routeName,
158		array $placeholders = [],
159		array $queryParams = []
160		) {
161	1	$prefix = $this->getServerUriPrefix($request);
162	1	$path = $this->getUriPath($routeName);
163	1	$path = $this->replacePlaceholders($path, $placeholders);
164	1	$url = empty($queryParams) === true ? "$prefix$path" : "$prefix$path?" . http_build_query($queryParams);
		0 ignored issues – show Coding Style Best Practice introduced 2017-01-20 14:04 UTC by Report Bug Copy Issue Report As per coding-style, please use concatenation or `sprintf` for the variable `$prefix` instead of interpolation. It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings. // Instead of $x = "foo $bar $baz"; // Better use either $x = "foo " . $bar . " " . $baz; $x = sprintf("foo %s %s", $bar, $baz); Loading history... Coding Style Best Practice introduced 2017-01-20 14:04 UTC by Report Bug Copy Issue Report As per coding-style, please use concatenation or `sprintf` for the variable `$path` instead of interpolation. It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings. // Instead of $x = "foo $bar $baz"; // Better use either $x = "foo " . $bar . " " . $baz; $x = sprintf("foo %s %s", $bar, $baz); Loading history...
165
166	1	return $url;
167		}
168
169		/**
170		* @return RouteCollector
171		*/
172	11	protected function createRouteCollector()
173		{
174	11	return new RouteCollector(new Std(), new $this->generatorClass);
175		}
176
177		/**
178		* @return DispatcherInterface
179		*/
180	11	protected function createDispatcher()
181		{
182	11	return new $this->dispatcherClass;
183		}
184
185		/**
186		* @param ServerRequestInterface $request
187		*
188		* @return string
189		*/
190	1	private function getServerUriPrefix(ServerRequestInterface $request)
191		{
192	1	$uri = $request->getUri();
193	1	$uriScheme = $uri->getScheme();
194	1	$uriHost = $uri->getHost();
195	1	$uriPort = $uri->getPort();
196	1	$prefix = empty($uriPort) === true ? "$uriScheme://$uriHost" : "$uriScheme://$uriHost:$uriPort";
		0 ignored issues – show Coding Style Best Practice introduced 2017-01-20 14:04 UTC by Report Bug Copy Issue Report As per coding-style, please use concatenation or `sprintf` for the variable `$uriScheme` instead of interpolation. It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings. // Instead of $x = "foo $bar $baz"; // Better use either $x = "foo " . $bar . " " . $baz; $x = sprintf("foo %s %s", $bar, $baz); Loading history... Coding Style Best Practice introduced 2017-01-20 14:04 UTC by Report Bug Copy Issue Report As per coding-style, please use concatenation or `sprintf` for the variable `$uriHost` instead of interpolation. It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings. // Instead of $x = "foo $bar $baz"; // Better use either $x = "foo " . $bar . " " . $baz; $x = sprintf("foo %s %s", $bar, $baz); Loading history... Coding Style Best Practice introduced 2017-01-20 14:04 UTC by Report Bug Copy Issue Report As per coding-style, please use concatenation or `sprintf` for the variable `$uriPort` instead of interpolation. It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings. // Instead of $x = "foo $bar $baz"; // Better use either $x = "foo " . $bar . " " . $baz; $x = sprintf("foo %s %s", $bar, $baz); Loading history...
197
198	1	return $prefix;
199		}
200
201		/**
202		* @param string $path
203		* @param array $placeholders
204		*
205		* @return string
206		*/
207	1	private function replacePlaceholders($path, array $placeholders)
208		{
209	1	$result = '';
210	1	$inPlaceholder = false;
211	1	$curPlaceholder = null;
212	1	$inPlaceholderName = false;
213	1	$pathLength = strlen($path);
214	1	for ($index = 0; $index < $pathLength; ++$index) {
215	1	$character = $path[$index];
216		switch ($character) {
217	1	case '{':
218	1	$inPlaceholder = true;
219	1	$inPlaceholderName = true;
220	1	break;
221	1	case '}':
222	1	if (array_key_exists($curPlaceholder, $placeholders) === true) {
223	1	$result .= $placeholders[$curPlaceholder];
224		} else {
225	1	$result .= '{' . $curPlaceholder . '}';
226		}
227	1	$inPlaceholder = false;
228	1	$curPlaceholder = null;
229	1	$inPlaceholderName = false;
230	1	break;
231		default:
232	1	if ($inPlaceholder === false) {
233	1	$result .= $character;
234		} else {
235	1	if ($character === ':') {
236	1	$inPlaceholderName = false;
237	1	} elseif ($inPlaceholderName === true) {
238	1	$curPlaceholder .= $character;
239		}
240		}
241	1	break;
242		}
243		}
244
245	1	return $result;
246		}
247
248		/**
249		* @return void
250		*/
251	12	private function checkRoutesLoaded()
252		{
253	12	if ($this->cachedRoutes === false) {
254	1	throw new LogicException('Routes are not loaded yet.');
255		}
256	11	}
257		}
258

limoncello-php-dist / core

Push — master ( a1d4cc...333bc3 )

Router::replacePlaceholders() C

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