Detector::analyse() - Code Metrics - Inspection of "2.0.1" - endorphin-studio/browser-detector - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — 2.0.1 (3659a8)

by Serhii

created 2016-06-05 18:59 UTC

Detector::analyse() C

↳ Parent: Detector

Complexity

Conditions	14
Paths	48

Size

Total Lines	65
Code Lines	40

Duplication

Lines	16
Ratio	24.62 %

Importance

Changes

Metric	Value
cc	14
eloc	40
c	0
b	0
f	0
nc	48
nop	2
dl	16
loc	65
rs	5.9509

How to fix Long Method Complexity

<?php
/**
 * @author Sergey Nehaenko <[email protected]>
 * @license GPL
 * @copyright Sergey Nehaenko &copy 2016
 * @version 2.0
 * @project browser-detector
 */

namespace EndorphinStudio\Detector;


class Detector
{
    /**
     * @return string Path to directory with xml data files
     */
    public function getPathToData()
    {
        return $this->PathToData;
    }

    /**
     * @return array Xml data object
     */
    public function getXmlData()
    {
        return $this->xmlData;
    }

    /**
     * @param string $PathToData
     */
    public function setPathToData($PathToData)
    {
        $this->PathToData = $PathToData;
    }

    /**
     * @param array $xmlData Xml data object
     */
    public function setXmlData($xmlData)
    {
        $this->xmlData = $xmlData;
    }
    /** @var  string Path to directory with xml data */
    private $PathToData;

    /** @var array Xml Data */
    private $xmlData;

    /**
     * Detector constructor.
     * @param string $pathToData Path to directory with xml data files
     */
    private function __construct($pathToData='auto')
    {
        if($pathToData == 'auto')
        {
            $this->setPathToData(str_replace('src','data',__DIR__).'/');
        }

        $xml = array('robot','browser','device','os');
        $xmlData = array();
        foreach($xml as $name)
        {
            $xmlData[$name] = simplexml_load_file($this->getPathToData().$name.'.xml');
        }
        $this->setXmlData($xmlData);
    }

    public static function analyse($uaString='UA', $pathToData='auto')
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $ua = $uaString;
        if($uaString == 'UA')
        {
            $ua = $_SERVER['HTTP_USER_AGENT'];
        }

        $detector = new Detector($pathToData);
        $xml = $detector->getXmlData();
        $data = array();
        foreach($xml as $key => $item)
        {
            $data[$key] = self::analysePart($xml,$key,$ua);
        }

        $detectorResult = new DetectorResult();
        $detectorResult->uaString = $ua;
        $isRobot = false;

        foreach($data as $key => $result)
        {
            if(!$isRobot)
            {
                switch ($key)
                {
                    case 'robot':
                        if($result !== null)
                        {
                            $robot = new Robot($result);
                            $detectorResult->Robot = $robot;
                            if ($robot->getName() != 'N\A') {
                                $isRobot = true;
                            }
                        }
                        break;
                    case 'os':

                        if($result !== null)
                        {
                            $os = new OS($result);
                            $os->setVersion(self::getVersion($result, $ua));
                            $detectorResult->OS = $os;
                        }
                        break;
                    case 'device':
                        if($result !== null)
                        {
                            $device = new Device($result);
                            $detectorResult->Device = $device;
                        }
                        break;
                    case 'browser':

                        if($result !== null)
                        {
                            $browser = new Browser($result);
                            $browser->setVersion(self::getVersion($result, $ua));
                            $detectorResult->Browser = $browser;
                        }
                        break;
                }
            }
        }

        return $detectorResult;
    }

    /**
     * @param array $xmlData Xml data array
     * @param string $key Key in data array
     * @param string $uaString User agent
     * @return \SimpleXMLElement xml element
     */
    private static function analysePart($xmlData,$key,$uaString)
    {
        $data = $xmlData[$key]->data;
        foreach($data as $xmlItem)
        {
            $pattern = '/'.$xmlItem->pattern.'/';
            if(preg_match($pattern,$uaString))
            {
                return $xmlItem;
            }
        }
        return null;
    }

    /**
     * @param \SimpleXMLElement $xmlItem xmlItem
     * @param string $uaString User agent
     * @return string Version
     */
    private static function getVersion(\SimpleXMLElement $xmlItem,$uaString)
    {
        if($xmlItem !== null)
        {
            if(isset($xmlItem->versionPattern))
            {
                $vPattern = $xmlItem->versionPattern;

                $version = '/' . $vPattern . '(\/| )[\w-._]{1,15}/';
                $uaString = str_replace(' NT', '', $uaString);
                if (preg_match($version, $uaString)) {
                    preg_match($version, $uaString, $v);
                    $version = $v[0];
                    $version = preg_replace('/' . $vPattern . '/', '', $version);
                    $version = str_replace(';', '', $version);
                    $version = str_replace(' ', '', $version);
                    $version = str_replace('/', '', $version);
                    $version = str_replace('_', '.', $version);

                    if ($xmlItem->id == 'Windows') {
                        $version = self::getWindowsVersion($version);
                    }

                    return $version;
                }
            }
        }
        return 'N\A';
    }

    /**
     * @param $version Windows number version
     * @return string Windows version
     */
    private static function getWindowsVersion($version)
    {
        $versions = array(
            '5.1' => 'XP',
            '5.2' => 'Server 2003',
            '6.0' => 'Vista',
            '6.1' => '7',
            '6.2' => '8',
            '6.3' => '8.1',
            '6.4' => '10'
        );

        return $versions[$version];
    }
}


1		<?php
2		/**
3		* @author Sergey Nehaenko <[email protected]>
4		* @license GPL
5		* @copyright Sergey Nehaenko &copy 2016
6		* @version 2.0
7		* @project browser-detector
8		*/
9
10		namespace EndorphinStudio\Detector;
11
12
13		class Detector
14		{
15		/**
16		* @return string Path to directory with xml data files
17		*/
18		public function getPathToData()
19		{
20		return $this->PathToData;
21		}
22
23		/**
24		* @return array Xml data object
25		*/
26		public function getXmlData()
27		{
28		return $this->xmlData;
29		}
30
31		/**
32		* @param string $PathToData
33		*/
34		public function setPathToData($PathToData)
35		{
36		$this->PathToData = $PathToData;
37		}
38
39		/**
40		* @param array $xmlData Xml data object
41		*/
42		public function setXmlData($xmlData)
43		{
44		$this->xmlData = $xmlData;
45		}
46		/** @var string Path to directory with xml data */
47		private $PathToData;
48
49		/** @var array Xml Data */
50		private $xmlData;
51
52		/**
53		* Detector constructor.
54		* @param string $pathToData Path to directory with xml data files
55		*/
56		private function __construct($pathToData='auto')
57		{
58		if($pathToData == 'auto')
59		{
60		$this->setPathToData(str_replace('src','data',__DIR__).'/');
61		}
62
63		$xml = array('robot','browser','device','os');
64		$xmlData = array();
65		foreach($xml as $name)
66		{
67		$xmlData[$name] = simplexml_load_file($this->getPathToData().$name.'.xml');
68		}
69		$this->setXmlData($xmlData);
70		}
71
72		public static function analyse($uaString='UA', $pathToData='auto')
		0 ignored issues – show Coding Style introduced 2016-06-05 19:03 UTC by Report Bug Copy Issue Report `analyse` uses the super-global variable `$_SERVER` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history...
73		{
74		$ua = $uaString;
75		if($uaString == 'UA')
76		{
77		$ua = $_SERVER['HTTP_USER_AGENT'];
78		}
79
80		$detector = new Detector($pathToData);
81		$xml = $detector->getXmlData();
82		$data = array();
83		foreach($xml as $key => $item)
84		{
85		$data[$key] = self::analysePart($xml,$key,$ua);
86		}
87
88		$detectorResult = new DetectorResult();
89		$detectorResult->uaString = $ua;
90		$isRobot = false;
91
92		foreach($data as $key => $result)
93		{
94		if(!$isRobot)
95		{
96		switch ($key)
97		{
98		case 'robot':
99		if($result !== null)
100		{
101		$robot = new Robot($result);
102		$detectorResult->Robot = $robot;
103		if ($robot->getName() != 'N\A') {
104		$isRobot = true;
105		}
106		}
107		break;
108	View Code Duplication	case 'os':
		0 ignored issues – show Duplication introduced 2016-06-05 19:03 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
109		if($result !== null)
110		{
111		$os = new OS($result);
112		$os->setVersion(self::getVersion($result, $ua));
113		$detectorResult->OS = $os;
114		}
115		break;
116		case 'device':
117		if($result !== null)
118		{
119		$device = new Device($result);
120		$detectorResult->Device = $device;
121		}
122		break;
123	View Code Duplication	case 'browser':
		0 ignored issues – show Duplication introduced 2016-06-05 19:03 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
124		if($result !== null)
125		{
126		$browser = new Browser($result);
127		$browser->setVersion(self::getVersion($result, $ua));
128		$detectorResult->Browser = $browser;
129		}
130		break;
131		}
132		}
133		}
134
135		return $detectorResult;
136		}
137
138		/**
139		* @param array $xmlData Xml data array
140		* @param string $key Key in data array
141		* @param string $uaString User agent
142		* @return \SimpleXMLElement xml element
143		*/
144		private static function analysePart($xmlData,$key,$uaString)
145		{
146		$data = $xmlData[$key]->data;
147		foreach($data as $xmlItem)
148		{
149		$pattern = '/'.$xmlItem->pattern.'/';
150		if(preg_match($pattern,$uaString))
151		{
152		return $xmlItem;
153		}
154		}
155		return null;
156		}
157
158		/**
159		* @param \SimpleXMLElement $xmlItem xmlItem
160		* @param string $uaString User agent
161		* @return string Version
162		*/
163		private static function getVersion(\SimpleXMLElement $xmlItem,$uaString)
164		{
165		if($xmlItem !== null)
166		{
167		if(isset($xmlItem->versionPattern))
168		{
169		$vPattern = $xmlItem->versionPattern;
		0 ignored issues – show Bug introduced 2016-05-25 13:15 UTC by Report Bug Copy Issue Report The property `versionPattern` does not seem to exist in `SimpleXMLElement`. An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history...
170		$version = '/' . $vPattern . '(\/\| )[\w-._]{1,15}/';
171		$uaString = str_replace(' NT', '', $uaString);
172		if (preg_match($version, $uaString)) {
173		preg_match($version, $uaString, $v);
174		$version = $v[0];
175		$version = preg_replace('/' . $vPattern . '/', '', $version);
176		$version = str_replace(';', '', $version);
177		$version = str_replace(' ', '', $version);
178		$version = str_replace('/', '', $version);
179		$version = str_replace('_', '.', $version);
180
181		if ($xmlItem->id == 'Windows') {
182		$version = self::getWindowsVersion($version);
183		}
184
185		return $version;
186		}
187		}
188		}
189		return 'N\A';
190		}
191
192		/**
193		* @param $version Windows number version
194		* @return string Windows version
195		*/
196		private static function getWindowsVersion($version)
197		{
198		$versions = array(
199		'5.1' => 'XP',
200		'5.2' => 'Server 2003',
201		'6.0' => 'Vista',
202		'6.1' => '7',
203		'6.2' => '8',
204		'6.3' => '8.1',
205		'6.4' => '10'
206		);
207
208		return $versions[$version];
209		}
210		}
211

endorphin-studio / browser-detector

Branch — 2.0.1 (3659a8)

Detector::analyse() C

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

Duplication Side-by-Side

Filter issues like