AnnotationReader::getAttributes() - Code Metrics - Inspection of "The AnnotationReader class implements the Annotati..." - jaxon-php/jaxon-annotations - Measure and Improve Code Quality continuously with Scrutinizer

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by Thierry

created 2022-05-10 22:48 UTC

AnnotationReader::getAttributes() B

↳ Parent: AnnotationReader

Complexity

Conditions	10
Paths	136

Size

Total Lines	62
Code Lines	29

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	10
eloc	29
nc	136
nop	3
dl	0
loc	62
rs	7.3666
c	2
b	0
f	0

How to fix Long Method Complexity

<?php

/**
 * AnnotationReader.php
 *
 * Jaxon annotation reader.
 *
 * @package jaxon-annotations
 * @author Thierry Feuzeu <[email protected]>
 * @copyright 2022 Thierry Feuzeu <[email protected]>
 * @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
 * @link https://github.com/jaxon-php/jaxon-annotations
 */

namespace Jaxon\Annotations;

use Jaxon\Annotations\Annotation\AbstractAnnotation;
use Jaxon\Annotations\Annotation\AfterAnnotation;
use Jaxon\Annotations\Annotation\BeforeAnnotation;
use Jaxon\Annotations\Annotation\DataBagAnnotation;
use Jaxon\Annotations\Annotation\ExcludeAnnotation;
use Jaxon\Annotations\Annotation\UploadAnnotation;
use Jaxon\Annotations\Annotation\ContainerAnnotation;
use Jaxon\Di\Container;
use Jaxon\Exception\SetupException;
use Jaxon\Plugin\AnnotationReaderInterface;
use mindplay\annotations\AnnotationCache;
use mindplay\annotations\AnnotationException;
use mindplay\annotations\AnnotationManager;
use mindplay\annotations\standard\VarAnnotation;

use function array_filter;
use function array_merge;
use function count;
use function is_a;

class AnnotationReader implements AnnotationReaderInterface
{
    /**
     * @var AnnotationManager
     */
    protected $xManager;

    /**
     * Properties types, read from the "var" annotations.
     *
     * @var array
     */
    protected $aPropTypes;

    /**
     * The type of the class member being currently processed.
     *
     * @var string
     */
    protected $sMemberType;

    /**
     * The constructor
     *
     * @param AnnotationManager $xManager
     */
    public function __construct(AnnotationManager $xManager)
    {
        $this->xManager = $xManager;
        $this->xManager->registry['upload'] = UploadAnnotation::class;
        $this->xManager->registry['databag'] = DataBagAnnotation::class;
        $this->xManager->registry['exclude'] = ExcludeAnnotation::class;
        $this->xManager->registry['before'] = BeforeAnnotation::class;
        $this->xManager->registry['after'] = AfterAnnotation::class;
        $this->xManager->registry['di'] = ContainerAnnotation::class;
        // Missing standard annotations.
        // We need to define this, otherwise they throw an exception, and make the whole processing fail.
        $this->xManager->registry['const'] = false;
        $this->xManager->registry['inheritDoc'] = false;
    }

    /**
     * Register the annotation reader into the Jaxon DI container
     *
     * @param bool $bForce Force registration
     * @param Container $di
     *
     * @return void
     */
    public static function register(Container $di, bool $bForce = false)
    {
        if(!$bForce && $di->h(AnnotationReader::class))
        {
            return;
        }

        $di->val('jaxon_annotations_cache_dir', sys_get_temp_dir());
        $di->set(AnnotationReader::class, function($c) {
            $xAnnotationManager = new AnnotationManager();
            $xAnnotationManager->cache = new AnnotationCache($c->g('jaxon_annotations_cache_dir'));
            return new AnnotationReader($xAnnotationManager);
        });
        $di->alias(AnnotationReaderInterface::class, AnnotationReader::class);
    }

    /**
     * @return array
     */
    public function getPropTypes(): array
    {
        return $this->aPropTypes;
    }

    /**
     * @return string
     */
    public function getMemberType(): string
    {
        return $this->sMemberType;
    }

    /**
     * @param array $aAnnotations
     *
     * @return AbstractAnnotation[]
     * @throws AnnotationException
     */
    private function filterAnnotations(array $aAnnotations): array
    {
        // Only keep the annotations declared in this package.
        $aAnnotations = array_filter($aAnnotations, function($xAnnotation) {
            return is_a($xAnnotation, AbstractAnnotation::class);
        });

        $aAttributes = [];
        foreach($aAnnotations as $xAnnotation)
        {
            $xAnnotation->setReader($this);
            $sName = $xAnnotation->getName();
            $xAnnotation->setPrevValue($aAttributes[$sName] ?? null);
            $xValue = $xAnnotation->getValue();
            if($sName === 'protected' && !$xValue)
            {
                continue; // Ignore annotation @exclude with value false
            }
            $aAttributes[$sName] = $xValue;
        }
        return $aAttributes;
    }

    /**
     * @param string $sProperty
     * @param array $aAnnotations
     *
     * @return array
     * @throws AnnotationException
     */
    private function propAnnotations(string $sProperty, array $aAnnotations): array
    {
        // Only keep the annotations declared in this package.
        $aAnnotations = array_filter($aAnnotations, function($xAnnotation) use($sProperty) {
            // Save the property type
            if(is_a($xAnnotation, VarAnnotation::class))
            {
                $this->aPropTypes[$sProperty] = $xAnnotation->type;
            }
            // Only container annotations are allowed on properties
            return is_a($xAnnotation, ContainerAnnotation::class);
        });

        $nCount = count($aAnnotations);
        if($nCount === 0)
        {
            return ['', null];
        }
        if($nCount > 1)
        {
            throw new AnnotationException('Only one @di annotation is allowed on a property');
        }

        $xAnnotation = $aAnnotations[0];
        $xAnnotation->setReader($this);
        $xAnnotation->setAttr($sProperty);
        return [$xAnnotation->getName(), $xAnnotation->getValue()];
    }

    /**
     * Get the class attributes from its annotations
     *
     * @param string $sClass
     * @param array $aMethods
     * @param array $aProperties
     *
     * @return array
     * @throws SetupException
     */
    public function getAttributes(string $sClass, array $aMethods = [], array $aProperties = []): array
    {
        try
        {
            // Processing properties annotations
            $this->sMemberType = AnnotationManager::MEMBER_PROPERTY;

            $this->aPropTypes = [];
            $aPropAttrs = [];
            // Properties annotations
            foreach($aProperties as $sProperty)
            {
                [$sName, $xValue] = $this->propAnnotations($sProperty, $this->xManager->getPropertyAnnotations($sClass, $sProperty));
                if(!$xValue)
                {
                    continue;
                }
                $aPropAttrs[$sName] = array_merge($aPropAttrs[$sName] ?? [], $xValue);
            }

            // Processing class annotations
            $this->sMemberType = AnnotationManager::MEMBER_CLASS;

            $aClassAttrs = $this->filterAnnotations($this->xManager->getClassAnnotations($sClass));
            if(isset($aClassAttrs['protected']))
            {
                return [true, [], []]; // The entire class is not to be exported.
            }

            // Merge attributes and class annotations
            foreach($aPropAttrs as $sName => $xValue)
            {
                $aClassAttrs[$sName] = array_merge($aClassAttrs[$sName] ?? [], $xValue);
            }

            $aAttributes = [];
            if(count($aClassAttrs) > 0)
            {
                $aAttributes['*'] = $aClassAttrs;
            }

            // Processing methods annotations
            $this->sMemberType = AnnotationManager::MEMBER_METHOD;

            $aProtected = [];
            foreach($aMethods as $sMethod)
            {
                $aMethodAttrs = $this->filterAnnotations($this->xManager->getMethodAnnotations($sClass, $sMethod));
                if(isset($aMethodAttrs['protected']))
                {
                    $aProtected[] = $sMethod; // The method is not to be exported.
                }
                elseif(count($aMethodAttrs) > 0)
                {
                    $aAttributes[$sMethod] = $aMethodAttrs;
                }
            }
            return [false, $aAttributes, $aProtected];
        }
        catch(AnnotationException $e)
        {
            throw new SetupException($e->getMessage());
        }
    }
}


1			<?php
2
3			/**
4			* AnnotationReader.php
5			*
6			* Jaxon annotation reader.
7			*
8			* @package jaxon-annotations
9			* @author Thierry Feuzeu <[email protected]>
10			* @copyright 2022 Thierry Feuzeu <[email protected]>
11			* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
12			* @link https://github.com/jaxon-php/jaxon-annotations
13			*/
14
15			namespace Jaxon\Annotations;
16
17			use Jaxon\Annotations\Annotation\AbstractAnnotation;
18			use Jaxon\Annotations\Annotation\AfterAnnotation;
19			use Jaxon\Annotations\Annotation\BeforeAnnotation;
20			use Jaxon\Annotations\Annotation\DataBagAnnotation;
21			use Jaxon\Annotations\Annotation\ExcludeAnnotation;
22			use Jaxon\Annotations\Annotation\UploadAnnotation;
23			use Jaxon\Annotations\Annotation\ContainerAnnotation;
24			use Jaxon\Di\Container;
25			use Jaxon\Exception\SetupException;
26			use Jaxon\Plugin\AnnotationReaderInterface;
27			use mindplay\annotations\AnnotationCache;
28			use mindplay\annotations\AnnotationException;
29			use mindplay\annotations\AnnotationManager;
30			use mindplay\annotations\standard\VarAnnotation;
31
32			use function array_filter;
33			use function array_merge;
34			use function count;
35			use function is_a;
36
37			class AnnotationReader implements AnnotationReaderInterface
38			{
39			/**
40			* @var AnnotationManager
41			*/
42			protected $xManager;
43
44			/**
45			* Properties types, read from the "var" annotations.
46			*
47			* @var array
48			*/
49			protected $aPropTypes;
50
51			/**
52			* The type of the class member being currently processed.
53			*
54			* @var string
55			*/
56			protected $sMemberType;
57
58			/**
59			* The constructor
60			*
61			* @param AnnotationManager $xManager
62			*/
63			public function __construct(AnnotationManager $xManager)
64			{
65			$this->xManager = $xManager;
66			$this->xManager->registry['upload'] = UploadAnnotation::class;
67			$this->xManager->registry['databag'] = DataBagAnnotation::class;
68			$this->xManager->registry['exclude'] = ExcludeAnnotation::class;
69			$this->xManager->registry['before'] = BeforeAnnotation::class;
70			$this->xManager->registry['after'] = AfterAnnotation::class;
71			$this->xManager->registry['di'] = ContainerAnnotation::class;
72			// Missing standard annotations.
73			// We need to define this, otherwise they throw an exception, and make the whole processing fail.
74			$this->xManager->registry['const'] = false;
75			$this->xManager->registry['inheritDoc'] = false;
76			}
77
78			/**
79			* Register the annotation reader into the Jaxon DI container
80			*
81			* @param bool $bForce Force registration
82			* @param Container $di
83			*
84			* @return void
85			*/
86			public static function register(Container $di, bool $bForce = false)
87			{
88			if(!$bForce && $di->h(AnnotationReader::class))
89			{
90			return;
91			}
92
93			$di->val('jaxon_annotations_cache_dir', sys_get_temp_dir());
94			$di->set(AnnotationReader::class, function($c) {
95			$xAnnotationManager = new AnnotationManager();
96			$xAnnotationManager->cache = new AnnotationCache($c->g('jaxon_annotations_cache_dir'));
97			return new AnnotationReader($xAnnotationManager);
98			});
99			$di->alias(AnnotationReaderInterface::class, AnnotationReader::class);
100			}
101
102			/**
103			* @return array
104			*/
105			public function getPropTypes(): array
106			{
107			return $this->aPropTypes;
108			}
109
110			/**
111			* @return string
112			*/
113			public function getMemberType(): string
114			{
115			return $this->sMemberType;
116			}
117
118			/**
119			* @param array $aAnnotations
120			*
121			* @return AbstractAnnotation[]
122			* @throws AnnotationException
123			*/
124			private function filterAnnotations(array $aAnnotations): array
125			{
126			// Only keep the annotations declared in this package.
127			$aAnnotations = array_filter($aAnnotations, function($xAnnotation) {
128			return is_a($xAnnotation, AbstractAnnotation::class);
129			});
130
131			$aAttributes = [];
132			foreach($aAnnotations as $xAnnotation)
133			{
134			$xAnnotation->setReader($this);
135			$sName = $xAnnotation->getName();
136			$xAnnotation->setPrevValue($aAttributes[$sName] ?? null);
137			$xValue = $xAnnotation->getValue();
138			if($sName === 'protected' && !$xValue)
139			{
140			continue; // Ignore annotation @exclude with value false
141			}
142			$aAttributes[$sName] = $xValue;
143			}
144			return $aAttributes;
145			}
146
147			/**
148			* @param string $sProperty
149			* @param array $aAnnotations
150			*
151			* @return array
152			* @throws AnnotationException
153			*/
154			private function propAnnotations(string $sProperty, array $aAnnotations): array
155			{
156			// Only keep the annotations declared in this package.
157			$aAnnotations = array_filter($aAnnotations, function($xAnnotation) use($sProperty) {
158			// Save the property type
159			if(is_a($xAnnotation, VarAnnotation::class))
160			{
161			$this->aPropTypes[$sProperty] = $xAnnotation->type;
162			}
163			// Only container annotations are allowed on properties
164			return is_a($xAnnotation, ContainerAnnotation::class);
165			});
166
167			$nCount = count($aAnnotations);
168			if($nCount === 0)
169			{
170			return ['', null];
171			}
172			if($nCount > 1)
173			{
174			throw new AnnotationException('Only one @di annotation is allowed on a property');
175			}
176
177			$xAnnotation = $aAnnotations[0];
178			$xAnnotation->setReader($this);
179			$xAnnotation->setAttr($sProperty);
180			return [$xAnnotation->getName(), $xAnnotation->getValue()];
181			}
182
183			/**
184			* Get the class attributes from its annotations
185			*
186			* @param string $sClass
187			* @param array $aMethods
188			* @param array $aProperties
189			*
190			* @return array
191			* @throws SetupException
192			*/
193			public function getAttributes(string $sClass, array $aMethods = [], array $aProperties = []): array
194			{
195			try
196			{
197			// Processing properties annotations
198			$this->sMemberType = AnnotationManager::MEMBER_PROPERTY;
199
200			$this->aPropTypes = [];
201			$aPropAttrs = [];
202			// Properties annotations
203			foreach($aProperties as $sProperty)
204			{
205			[$sName, $xValue] = $this->propAnnotations($sProperty, $this->xManager->getPropertyAnnotations($sClass, $sProperty));
206			if(!$xValue)
207			{
208			continue;
209			}
210			$aPropAttrs[$sName] = array_merge($aPropAttrs[$sName] ?? [], $xValue);
211			}
212
213			// Processing class annotations
214			$this->sMemberType = AnnotationManager::MEMBER_CLASS;
215
216			$aClassAttrs = $this->filterAnnotations($this->xManager->getClassAnnotations($sClass));
217			if(isset($aClassAttrs['protected']))
218			{
219			return [true, [], []]; // The entire class is not to be exported.
220			}
221
222			// Merge attributes and class annotations
223			foreach($aPropAttrs as $sName => $xValue)
224			{
225			$aClassAttrs[$sName] = array_merge($aClassAttrs[$sName] ?? [], $xValue);
226			}
227
228			$aAttributes = [];
229			if(count($aClassAttrs) > 0)
230			{
231			$aAttributes['*'] = $aClassAttrs;
232			}
233
234			// Processing methods annotations
235			$this->sMemberType = AnnotationManager::MEMBER_METHOD;
236
237			$aProtected = [];
238			foreach($aMethods as $sMethod)
239			{
240			$aMethodAttrs = $this->filterAnnotations($this->xManager->getMethodAnnotations($sClass, $sMethod));
241			if(isset($aMethodAttrs['protected']))
242			{
243			$aProtected[] = $sMethod; // The method is not to be exported.
244			}
245			elseif(count($aMethodAttrs) > 0)
246			{
247			$aAttributes[$sMethod] = $aMethodAttrs;
248			}
249			}
250			return [false, $aAttributes, $aProtected];
251			}
252			catch(AnnotationException $e)
253			{
254			throw new SetupException($e->getMessage());
255			}
256			}
257			}
258

jaxon-php / jaxon-annotations

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AnnotationReader::getAttributes() B

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