AttributeReader::getAttributes() - Code Metrics - Inspection of "More tests on component annotations." - jaxon-php/jaxon-attributes - Measure and Improve Code Quality continuously with Scrutinizer

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by Thierry

created 2025-10-28 07:18 UTC

AttributeReader::getAttributes() B

↳ Parent: AttributeReader

Complexity

Conditions	8
Paths	146

Size

Total Lines	47
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
cc	8
eloc	20
nc	146
nop	1
dl	0
loc	47
rs	8.0611
c	3
b	0
f	0

<?php

/**
 * AttributeReader.php
 *
 * Jaxon attribute reader.
 *
 * @package jaxon-attributes
 * @author Thierry Feuzeu <[email protected]>
 * @copyright 2024 Thierry Feuzeu <[email protected]>
 * @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
 * @link https://github.com/jaxon-php/jaxon-core
 */

namespace Jaxon\Attributes;

use Jaxon\App;
use Jaxon\App\Metadata\InputData;
use Jaxon\App\Metadata\Metadata;
use Jaxon\App\Metadata\MetadataReaderInterface;
use Jaxon\Attributes\Attribute\AbstractAttribute;
use Jaxon\Attributes\Attribute\Inject as InjectAttribute;
use Jaxon\Attributes\Attribute\Exclude as ExcludeAttribute;
use Jaxon\Exception\SetupException;
use Error;
use Exception;
use ReflectionAttribute;
use ReflectionClass;
use ReflectionNamedType;
use ReflectionProperty;

use function array_filter;
use function array_reverse;
use function count;
use function in_array;
use function is_a;

class AttributeReader implements MetadataReaderInterface
{
    /**
     * @var Metadata
     */
    protected Metadata $xMetadata;

    /**
     * @var array
     */
    protected array $aTypes;

    /**
     * @var array
     */
    private $aJaxonClasses = [
        App\Component::class,
        App\NodeComponent::class,
        App\FuncComponent::class,
        App\PageComponent::class,
        App\CallableClass::class,
    ];

    /**
     * @var array
     */
    private $aBaseAttributes = [
        ExcludeAttribute::class,
    ];

    /**
     * @var array
     */
    private $aPropertyAttributes = [
        InjectAttribute::class,
    ];

    /**
     * Read the property types
     *
     * @param ReflectionClass $xClass
     *
     * @return void
     */
    private function readTypes(ReflectionClass $xClass)
    {
        $sClass = $xClass->getName();
        if(isset($this->aTypes[$sClass]))
        {
            return;
        }

        $this->aTypes[$sClass] = [];
        $aProperties = $xClass->getProperties(ReflectionProperty::IS_PUBLIC |
            ReflectionProperty::IS_PROTECTED);
        foreach($aProperties as $xReflectionProperty)
        {
            $xType = $xReflectionProperty->getType();
            // Check that the property has a valid type defined
            if(is_a($xType, ReflectionNamedType::class) &&
                ($sType = $xType->getName()) !== '')
            {
                $this->aTypes[$sClass][$xReflectionProperty->getName()] = $sType;
            }
        }
    }

    /**
     * @param AbstractAttribute $xAttribute
     * @param ReflectionClass $xClass
     * @param ReflectionAttribute $xReflectionAttribute
     *
     * @return void
     */
    private function initAttribute(AbstractAttribute $xAttribute,
        ReflectionClass $xClass, ReflectionAttribute $xReflectionAttribute): void
    {
        if(is_a($xAttribute, InjectAttribute::class))
        {
            $this->readTypes($xClass);
            $xAttribute->setTarget($xReflectionAttribute->getTarget());
            $xAttribute->setTypes($this->aTypes[$xClass->getName()]);
        }
    }

    /**
     * @param ReflectionAttribute $xReflectionAttribute
     *
     * @return bool
     */
    private function isJaxonAttribute(ReflectionAttribute $xReflectionAttribute): bool
    {
        return is_a($xReflectionAttribute->getName(), AbstractAttribute::class, true);
    }

    /**
     * @param ReflectionAttribute $xReflectionAttribute
     *
     * @return bool
     */
    private function isBaseClassAttribute(ReflectionAttribute $xReflectionAttribute): bool
    {
        return in_array($xReflectionAttribute->getName(), $this->aBaseAttributes);
    }

    /**
     * @param ReflectionAttribute $xReflectionAttribute
     *
     * @return bool
     */
    private function isPropertyAttribute(ReflectionAttribute $xReflectionAttribute): bool
    {
        return in_array($xReflectionAttribute->getName(), $this->aPropertyAttributes);
    }

    /**
     * @param ReflectionClass $xClass
     *
     * @return void
     */
    private function readBaseClassAttributes(ReflectionClass $xClass): void
    {
        $aAttributes = $xClass->getAttributes();
        $aAttributes = array_filter($aAttributes, fn($xReflectionAttribute) =>
            $this->isBaseClassAttribute($xReflectionAttribute));
        foreach($aAttributes as $xReflectionAttribute)
        {
            $xReflectionAttribute->newInstance()->saveValue($this->xMetadata);
        }
    }

    /**
     * @param ReflectionClass $xClass
     *
     * @return void
     */
    private function readClassAttributes(ReflectionClass $xClass): void
    {
        $aAttributes = $xClass->getAttributes();
        $aAttributes = array_filter($aAttributes, fn($xReflectionAttribute) =>
            $this->isJaxonAttribute($xReflectionAttribute) &&
            !$this->isBaseClassAttribute($xReflectionAttribute));
        foreach($aAttributes as $xReflectionAttribute)
        {
            $xAttribute = $xReflectionAttribute->newInstance();
            $this->initAttribute($xAttribute, $xClass, $xReflectionAttribute);

            $xAttribute->saveValue($this->xMetadata);
        }
    }

    /**
     * @param ReflectionClass $xClass
     * @param string $sProperty
     *
     * @return void
     * @throws SetupException
     */
    private function readPropertyAttributes(ReflectionClass $xClass, string $sProperty): void
    {
        $aAttributes = !$xClass->hasProperty($sProperty) ? [] :
            $xClass->getProperty($sProperty)->getAttributes();
        $aAttributes = array_filter($aAttributes, fn($xReflectionAttribute) =>
            $this->isPropertyAttribute($xReflectionAttribute));
        // Only Inject attributes are allowed on properties
        if(count($aAttributes) > 1)
        {
            throw new SetupException('Only one Inject attribute is allowed on a property');
        }

        foreach($aAttributes as $xReflectionAttribute)
        {
            /** @var InjectAttribute */
            $xAttribute = $xReflectionAttribute->newInstance();
            $xAttribute->setAttr($sProperty);
            $this->initAttribute($xAttribute, $xClass, $xReflectionAttribute);

            $xAttribute->saveValue($this->xMetadata);
        }
    }

    /**
     * @param ReflectionClass $xClass
     * @param string $sMethod
     *
     * @return void
     */
    private function readMethodAttributes(ReflectionClass $xClass, string $sMethod): void
    {
        $aAttributes = !$xClass->hasMethod($sMethod) ? [] :
            $xClass->getMethod($sMethod)->getAttributes();
        $aAttributes = array_filter($aAttributes, fn($xReflectionAttribute) =>
            $this->isJaxonAttribute($xReflectionAttribute));
        foreach($aAttributes as $xReflectionAttribute)
        {
            $xAttribute = $xReflectionAttribute->newInstance();
            $this->initAttribute($xAttribute, $xClass, $xReflectionAttribute);

            $xAttribute->saveValue($this->xMetadata, $sMethod);
        }
    }

    /**
     * @param ReflectionClass $xClass
     *
     * @return ReflectionClass|null
     */
    private function getParentClass(ReflectionClass $xClass): ReflectionClass|null
    {
        $xParentClass = $xClass->getParentClass();
        return $xParentClass === false || in_array($xParentClass->getName(),
            $this->aJaxonClasses) ? null : $xParentClass;
    }

    /**
     * @inheritDoc
     * @throws SetupException
     */
    public function getAttributes(InputData $xInput): Metadata
    {
        try
        {
            $this->xMetadata = new Metadata();

            $xClass = $xInput->getReflectionClass();
            $this->readBaseClassAttributes($xClass);

            $aClasses = [$xClass];
            while(($xClass = $this->getParentClass($xClass)) !== null)
            {
                $aClasses[] = $xClass;
            }
            $aClasses = array_reverse($aClasses);

            foreach($aClasses as $xClass)
            {
                // Processing class attributes
                $this->readClassAttributes($xClass);
                // Processing properties attributes
                foreach($xInput->getProperties() as $sProperty)
                {
                    $this->readPropertyAttributes($xClass, $sProperty);
                }
            }

            // The methods attributes are not taken for excluded classes.
            if($this->xMetadata->isExcluded())
            {
                return $this->xMetadata;
            }

            foreach($aClasses as $xClass)
            {
                // Processing methods attributes
                foreach($xInput->getMethods() as $sMethod)
                {
                    $this->readMethodAttributes($xClass, $sMethod);
                }
            }

            return $this->xMetadata;
        }
        catch(Exception|Error $e)
        {
            throw new SetupException($e->getMessage());
        }
    }
}


1			<?php
2
3			/**
4			* AttributeReader.php
5			*
6			* Jaxon attribute reader.
7			*
8			* @package jaxon-attributes
9			* @author Thierry Feuzeu <[email protected]>
10			* @copyright 2024 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-core
13			*/
14
15			namespace Jaxon\Attributes;
16
17			use Jaxon\App;
18			use Jaxon\App\Metadata\InputData;
19			use Jaxon\App\Metadata\Metadata;
20			use Jaxon\App\Metadata\MetadataReaderInterface;
21			use Jaxon\Attributes\Attribute\AbstractAttribute;
22			use Jaxon\Attributes\Attribute\Inject as InjectAttribute;
23			use Jaxon\Attributes\Attribute\Exclude as ExcludeAttribute;
24			use Jaxon\Exception\SetupException;
25			use Error;
26			use Exception;
27			use ReflectionAttribute;
28			use ReflectionClass;
29			use ReflectionNamedType;
30			use ReflectionProperty;
31
32			use function array_filter;
33			use function array_reverse;
34			use function count;
35			use function in_array;
36			use function is_a;
37
38			class AttributeReader implements MetadataReaderInterface
39			{
40			/**
41			* @var Metadata
42			*/
43			protected Metadata $xMetadata;
44
45			/**
46			* @var array
47			*/
48			protected array $aTypes;
49
50			/**
51			* @var array
52			*/
53			private $aJaxonClasses = [
54			App\Component::class,
55			App\NodeComponent::class,
56			App\FuncComponent::class,
57			App\PageComponent::class,
58			App\CallableClass::class,
59			];
60
61			/**
62			* @var array
63			*/
64			private $aBaseAttributes = [
65			ExcludeAttribute::class,
66			];
67
68			/**
69			* @var array
70			*/
71			private $aPropertyAttributes = [
72			InjectAttribute::class,
73			];
74
75			/**
76			* Read the property types
77			*
78			* @param ReflectionClass $xClass
79			*
80			* @return void
81			*/
82			private function readTypes(ReflectionClass $xClass)
83			{
84			$sClass = $xClass->getName();
85			if(isset($this->aTypes[$sClass]))
86			{
87			return;
88			}
89
90			$this->aTypes[$sClass] = [];
91			$aProperties = $xClass->getProperties(ReflectionProperty::IS_PUBLIC \|
92			ReflectionProperty::IS_PROTECTED);
93			foreach($aProperties as $xReflectionProperty)
94			{
95			$xType = $xReflectionProperty->getType();
96			// Check that the property has a valid type defined
97			if(is_a($xType, ReflectionNamedType::class) &&
98			($sType = $xType->getName()) !== '')
99			{
100			$this->aTypes[$sClass][$xReflectionProperty->getName()] = $sType;
101			}
102			}
103			}
104
105			/**
106			* @param AbstractAttribute $xAttribute
107			* @param ReflectionClass $xClass
108			* @param ReflectionAttribute $xReflectionAttribute
109			*
110			* @return void
111			*/
112			private function initAttribute(AbstractAttribute $xAttribute,
113			ReflectionClass $xClass, ReflectionAttribute $xReflectionAttribute): void
114			{
115			if(is_a($xAttribute, InjectAttribute::class))
116			{
117			$this->readTypes($xClass);
118			$xAttribute->setTarget($xReflectionAttribute->getTarget());
119			$xAttribute->setTypes($this->aTypes[$xClass->getName()]);
120			}
121			}
122
123			/**
124			* @param ReflectionAttribute $xReflectionAttribute
125			*
126			* @return bool
127			*/
128			private function isJaxonAttribute(ReflectionAttribute $xReflectionAttribute): bool
129			{
130			return is_a($xReflectionAttribute->getName(), AbstractAttribute::class, true);
131			}
132
133			/**
134			* @param ReflectionAttribute $xReflectionAttribute
135			*
136			* @return bool
137			*/
138			private function isBaseClassAttribute(ReflectionAttribute $xReflectionAttribute): bool
139			{
140			return in_array($xReflectionAttribute->getName(), $this->aBaseAttributes);
141			}
142
143			/**
144			* @param ReflectionAttribute $xReflectionAttribute
145			*
146			* @return bool
147			*/
148			private function isPropertyAttribute(ReflectionAttribute $xReflectionAttribute): bool
149			{
150			return in_array($xReflectionAttribute->getName(), $this->aPropertyAttributes);
151			}
152
153			/**
154			* @param ReflectionClass $xClass
155			*
156			* @return void
157			*/
158			private function readBaseClassAttributes(ReflectionClass $xClass): void
159			{
160			$aAttributes = $xClass->getAttributes();
161			$aAttributes = array_filter($aAttributes, fn($xReflectionAttribute) =>
162			$this->isBaseClassAttribute($xReflectionAttribute));
163			foreach($aAttributes as $xReflectionAttribute)
164			{
165			$xReflectionAttribute->newInstance()->saveValue($this->xMetadata);
166			}
167			}
168
169			/**
170			* @param ReflectionClass $xClass
171			*
172			* @return void
173			*/
174			private function readClassAttributes(ReflectionClass $xClass): void
175			{
176			$aAttributes = $xClass->getAttributes();
177			$aAttributes = array_filter($aAttributes, fn($xReflectionAttribute) =>
178			$this->isJaxonAttribute($xReflectionAttribute) &&
179			!$this->isBaseClassAttribute($xReflectionAttribute));
180			foreach($aAttributes as $xReflectionAttribute)
181			{
182			$xAttribute = $xReflectionAttribute->newInstance();
183			$this->initAttribute($xAttribute, $xClass, $xReflectionAttribute);
184
185			$xAttribute->saveValue($this->xMetadata);
186			}
187			}
188
189			/**
190			* @param ReflectionClass $xClass
191			* @param string $sProperty
192			*
193			* @return void
194			* @throws SetupException
195			*/
196			private function readPropertyAttributes(ReflectionClass $xClass, string $sProperty): void
197			{
198			$aAttributes = !$xClass->hasProperty($sProperty) ? [] :
199			$xClass->getProperty($sProperty)->getAttributes();
200			$aAttributes = array_filter($aAttributes, fn($xReflectionAttribute) =>
201			$this->isPropertyAttribute($xReflectionAttribute));
202			// Only Inject attributes are allowed on properties
203			if(count($aAttributes) > 1)
204			{
205			throw new SetupException('Only one Inject attribute is allowed on a property');
206			}
207
208			foreach($aAttributes as $xReflectionAttribute)
209			{
210			/** @var InjectAttribute */
211			$xAttribute = $xReflectionAttribute->newInstance();
212			$xAttribute->setAttr($sProperty);
213			$this->initAttribute($xAttribute, $xClass, $xReflectionAttribute);
214
215			$xAttribute->saveValue($this->xMetadata);
216			}
217			}
218
219			/**
220			* @param ReflectionClass $xClass
221			* @param string $sMethod
222			*
223			* @return void
224			*/
225			private function readMethodAttributes(ReflectionClass $xClass, string $sMethod): void
226			{
227			$aAttributes = !$xClass->hasMethod($sMethod) ? [] :
228			$xClass->getMethod($sMethod)->getAttributes();
229			$aAttributes = array_filter($aAttributes, fn($xReflectionAttribute) =>
230			$this->isJaxonAttribute($xReflectionAttribute));
231			foreach($aAttributes as $xReflectionAttribute)
232			{
233			$xAttribute = $xReflectionAttribute->newInstance();
234			$this->initAttribute($xAttribute, $xClass, $xReflectionAttribute);
235
236			$xAttribute->saveValue($this->xMetadata, $sMethod);
237			}
238			}
239
240			/**
241			* @param ReflectionClass $xClass
242			*
243			* @return ReflectionClass\|null
244			*/
245			private function getParentClass(ReflectionClass $xClass): ReflectionClass\|null
246			{
247			$xParentClass = $xClass->getParentClass();
248			return $xParentClass === false \|\| in_array($xParentClass->getName(),
249			$this->aJaxonClasses) ? null : $xParentClass;
250			}
251
252			/**
253			* @inheritDoc
254			* @throws SetupException
255			*/
256			public function getAttributes(InputData $xInput): Metadata
257			{
258			try
259			{
260			$this->xMetadata = new Metadata();
261
262			$xClass = $xInput->getReflectionClass();
263			$this->readBaseClassAttributes($xClass);
264
265			$aClasses = [$xClass];
266			while(($xClass = $this->getParentClass($xClass)) !== null)
267			{
268			$aClasses[] = $xClass;
269			}
270			$aClasses = array_reverse($aClasses);
271
272			foreach($aClasses as $xClass)
273			{
274			// Processing class attributes
275			$this->readClassAttributes($xClass);
276			// Processing properties attributes
277			foreach($xInput->getProperties() as $sProperty)
278			{
279			$this->readPropertyAttributes($xClass, $sProperty);
280			}
281			}
282
283			// The methods attributes are not taken for excluded classes.
284			if($this->xMetadata->isExcluded())
285			{
286			return $this->xMetadata;
287			}
288
289			foreach($aClasses as $xClass)
290			{
291			// Processing methods attributes
292			foreach($xInput->getMethods() as $sMethod)
293			{
294			$this->readMethodAttributes($xClass, $sMethod);
295			}
296			}
297
298			return $this->xMetadata;
299			}
300			catch(Exception\|Error $e)
301			{
302			throw new SetupException($e->getMessage());
303			}
304			}
305			}
306

jaxon-php / jaxon-attributes

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AttributeReader::getAttributes() B

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