XmlDeserializationVisitor::getCurrentObject() - Code Metrics - Inspection of "Merge pull request #911 from Majkl578/throwable" - schmittjoh/serializer - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — master (bf85d9)

by Johannes

created 2018-04-26 08:53 UTC

XmlDeserializationVisitor::getCurrentObject() A

↳ Parent: XmlDeserializationVisitor

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	0
dl	0
loc	3
ccs	0
cts	2
cp	0
crap	2
rs	10
c	0
b	0
f	0

<?php

/*
 * Copyright 2016 Johannes M. Schmitt <[email protected]>
 *
 * 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.
 */

namespace JMS\Serializer;

use JMS\Serializer\Accessor\AccessorStrategyInterface;
use JMS\Serializer\Exception\InvalidArgumentException;
use JMS\Serializer\Exception\LogicException;
use JMS\Serializer\Exception\RuntimeException;
use JMS\Serializer\Exception\XmlErrorException;
use JMS\Serializer\Metadata\ClassMetadata;
use JMS\Serializer\Metadata\PropertyMetadata;

class XmlDeserializationVisitor extends AbstractVisitor implements NullAwareVisitorInterface, DeserializationVisitorInterface
{
    private $objectStack;
    private $metadataStack;
    private $objectMetadataStack;
    private $currentObject;
    private $currentMetadata;
    private $disableExternalEntities = true;
    private $doctypeWhitelist = array();

    public function __construct(
        GraphNavigatorInterface $navigator,
        AccessorStrategyInterface $accessorStrategy,
        DeserializationContext $context,
        bool $disableExternalEntities = true, array $doctypeWhitelist = array())
    {
        parent::__construct($navigator, $accessorStrategy, $context);
        $this->objectStack = new \SplStack;
        $this->metadataStack = new \SplStack;
        $this->objectMetadataStack = new \SplStack;
        $this->disableExternalEntities = $disableExternalEntities;
        $this->doctypeWhitelist = $doctypeWhitelist;
    }

    public function prepare($data)
    {
        $data = $this->emptyStringToSpaceCharacter($data);

        $previous = libxml_use_internal_errors(true);
        libxml_clear_errors();

        $previousEntityLoaderState = libxml_disable_entity_loader($this->disableExternalEntities);

        if (false !== stripos($data, '<!doctype')) {
            $internalSubset = $this->getDomDocumentTypeEntitySubset($data);
            if (!in_array($internalSubset, $this->doctypeWhitelist, true)) {
                throw new InvalidArgumentException(sprintf(
                    'The document type "%s" is not allowed. If it is safe, you may add it to the whitelist configuration.',
                    $internalSubset
                ));
            }
        }

        $doc = simplexml_load_string($data);

        libxml_use_internal_errors($previous);
        libxml_disable_entity_loader($previousEntityLoaderState);

        if (false === $doc) {
            throw new XmlErrorException(libxml_get_last_error());
        }

        return $doc;
    }

    private function emptyStringToSpaceCharacter($data)
    {
        return $data === '' ? ' ' : (string)$data;
    }

    public function visitNull($data, array $type): void
    {

    }

    public function visitString($data, array $type): string
    {
        return (string)$data;
    }

    public function visitBoolean($data, array $type): bool
    {
        $data = (string)$data;

        if ('true' === $data || '1' === $data) {
            return true;
        } elseif ('false' === $data || '0' === $data) {
            return false;
        } else {
            throw new RuntimeException(sprintf('Could not convert data to boolean. Expected "true", "false", "1" or "0", but got %s.', json_encode($data)));
        }
    }

    public function visitInteger($data, array $type): int
    {
        return (integer)$data;
    }

    public function visitDouble($data, array $type): float
    {
        return (double)$data;
    }

    public function visitArray($data, array $type): array
    {
        // handle key-value-pairs
        if (null !== $this->currentMetadata && $this->currentMetadata->xmlKeyValuePairs) {
            if (2 !== count($type['params'])) {
                throw new RuntimeException('The array type must be specified as "array<K,V>" for Key-Value-Pairs.');
            }
            $this->revertCurrentMetadata();

            list($keyType, $entryType) = $type['params'];

            $result = [];
            foreach ($data as $key => $v) {
                $k = $this->navigator->accept($key, $keyType, $this->context);
                $result[$k] = $this->navigator->accept($v, $entryType, $this->context);
            }

            return $result;
        }

        $entryName = null !== $this->currentMetadata && $this->currentMetadata->xmlEntryName ? $this->currentMetadata->xmlEntryName : 'entry';
        $namespace = null !== $this->currentMetadata && $this->currentMetadata->xmlEntryNamespace ? $this->currentMetadata->xmlEntryNamespace : null;

        if ($namespace === null && $this->objectMetadataStack->count()) {
            $classMetadata = $this->objectMetadataStack->top();
            $namespace = isset($classMetadata->xmlNamespaces['']) ? $classMetadata->xmlNamespaces[''] : $namespace;
            if ($namespace === null) {
                $namespaces = $data->getDocNamespaces();
                if (isset($namespaces[''])) {
                    $namespace = $namespaces[''];
                }
            }
        }

        if (null !== $namespace) {
            $prefix = uniqid('ns-');
            $data->registerXPathNamespace($prefix, $namespace);
            $nodes = $data->xpath("$prefix:$entryName");
        } else {
            $nodes = $data->xpath($entryName);
        }

        if (!\count($nodes)) {
            return array();
        }

        switch (\count($type['params'])) {
            case 0:
                throw new RuntimeException(sprintf('The array type must be specified either as "array<T>", or "array<K,V>".'));

            case 1:
                $result = array();

                foreach ($nodes as $v) {
                    $result[] = $this->navigator->accept($v, $type['params'][0], $this->context);
                }

                return $result;

            case 2:
                if (null === $this->currentMetadata) {
                    throw new RuntimeException('Maps are not supported on top-level without metadata.');
                }

                list($keyType, $entryType) = $type['params'];
                $result = array();

                $nodes = $data->children($namespace)->$entryName;
                foreach ($nodes as $v) {
                    $attrs = $v->attributes();
                    if (!isset($attrs[$this->currentMetadata->xmlKeyAttribute])) {
                        throw new RuntimeException(sprintf('The key attribute "%s" must be set for each entry of the map.', $this->currentMetadata->xmlKeyAttribute));
                    }

                    $k = $this->navigator->accept($attrs[$this->currentMetadata->xmlKeyAttribute], $keyType, $this->context);
                    $result[$k] = $this->navigator->accept($v, $entryType, $this->context);
                }

                return $result;

            default:
                throw new LogicException(sprintf('The array type does not support more than 2 parameters, but got %s.', json_encode($type['params'])));
        }
    }

    public function startVisitingObject(ClassMetadata $metadata, object $object, array $type): void
    {
        $this->setCurrentObject($object);
        $this->objectMetadataStack->push($metadata);
    }

    public function visitProperty(PropertyMetadata $metadata, $data): void
    {
        $name = $metadata->serializedName;

        if (!$metadata->type) {
            throw new RuntimeException(sprintf('You must define a type for %s::$%s.', $metadata->reflection->class, $metadata->name));
        }

        if ($metadata->xmlAttribute) {

            $attributes = $data->attributes($metadata->xmlNamespace);
            if (isset($attributes[$name])) {
                $v = $this->navigator->accept($attributes[$name], $metadata->type, $this->context);
                $this->accessor->setValue($this->currentObject, $v, $metadata);
            }

            return;
        }

        if ($metadata->xmlValue) {
            $v = $this->navigator->accept($data, $metadata->type, $this->context);
            $this->accessor->setValue($this->currentObject, $v, $metadata);

            return;
        }

        if ($metadata->xmlCollection) {
            $enclosingElem = $data;
            if (!$metadata->xmlCollectionInline) {
                $enclosingElem = $data->children($metadata->xmlNamespace)->$name;
            }

            $this->setCurrentMetadata($metadata);
            $v = $this->navigator->accept($enclosingElem, $metadata->type, $this->context);
            $this->revertCurrentMetadata();
            $this->accessor->setValue($this->currentObject, $v, $metadata);

            return;
        }

        if ($metadata->xmlNamespace) {
            $node = $data->children($metadata->xmlNamespace)->$name;
            if (!$node->count()) {
                return;
            }
        } else {

            $namespaces = $data->getDocNamespaces();

            if (isset($namespaces[''])) {
                $prefix = uniqid('ns-');
                $data->registerXPathNamespace($prefix, $namespaces['']);
                $nodes = $data->xpath('./' . $prefix . ':' . $name);
            } else {
                $nodes = $data->xpath('./' . $name);
            }
            if (empty($nodes)) {
                return;
            }
            $node = reset($nodes);
        }

        if ($metadata->xmlKeyValuePairs) {
            $this->setCurrentMetadata($metadata);
        }

        $v = $this->navigator->accept($node, $metadata->type, $this->context);

        $this->accessor->setValue($this->currentObject, $v, $metadata);
    }

    /**
     * @param ClassMetadata $metadata
     * @param mixed $data
     * @param array $type
     * @return mixed
     */
    public function endVisitingObject(ClassMetadata $metadata, $data, array $type) : object
    {
        $rs = $this->currentObject;
        $this->objectMetadataStack->pop();
        $this->revertCurrentObject();

        return $rs;
    }

    public function setCurrentObject($object)
    {
        $this->objectStack->push($this->currentObject);
        $this->currentObject = $object;
    }

    public function getCurrentObject()
    {
        return $this->currentObject;
    }

    public function revertCurrentObject()
    {
        return $this->currentObject = $this->objectStack->pop();
    }

    public function setCurrentMetadata(PropertyMetadata $metadata)
    {
        $this->metadataStack->push($this->currentMetadata);
        $this->currentMetadata = $metadata;
    }

    public function getCurrentMetadata()
    {
        return $this->currentMetadata;
    }

    public function revertCurrentMetadata()
    {
        return $this->currentMetadata = $this->metadataStack->pop();
    }

    public function getResult($data)
    {
        return $data;
    }

    /**
     * Retrieves internalSubset even in bugfixed php versions
     *
     * @param string $data
     * @return string
     */
    private function getDomDocumentTypeEntitySubset($data)
    {
        $startPos = $endPos = stripos($data, '<!doctype');
        $braces = 0;
        do {
            $char = $data[$endPos++];
            if ($char === '<') {
                ++$braces;
            }
            if ($char === '>') {
                --$braces;
            }
        } while ($braces > 0);

        $internalSubset = substr($data, $startPos, $endPos - $startPos);
        $internalSubset = str_replace(array("\n", "\r"), '', $internalSubset);
        $internalSubset = preg_replace('/\s{2,}/', ' ', $internalSubset);
        $internalSubset = str_replace(array("[ <!", "> ]>"), array('[<!', '>]>'), $internalSubset);

        return $internalSubset;
    }

    /**
     * @param mixed $value
     *
     * @return bool
     */
    public function isNull($value): bool
    {
        if ($value instanceof \SimpleXMLElement) {
            // Workaround for https://bugs.php.net/bug.php?id=75168 and https://github.com/schmittjoh/serializer/issues/817
            // If the "name" is empty means that we are on an not-existent node and subsequent operations on the object will trigger the warning:
            // "Node no longer exists"
            if ($value->getName() === "") {
                // @todo should be "true", but for collections needs a default collection value. maybe something for the 2.0
                return false;
            }

            $xsiAttributes = $value->attributes('http://www.w3.org/2001/XMLSchema-instance');
            if (isset($xsiAttributes['nil'])
                && ((string)$xsiAttributes['nil'] === 'true' || (string)$xsiAttributes['nil'] === '1')
            ) {
                return true;
            }
        }

        return $value === null;
    }
}


1		<?php
2
3		/*
4		* Copyright 2016 Johannes M. Schmitt <[email protected]>
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		namespace JMS\Serializer;
20
21		use JMS\Serializer\Accessor\AccessorStrategyInterface;
22		use JMS\Serializer\Exception\InvalidArgumentException;
23		use JMS\Serializer\Exception\LogicException;
24		use JMS\Serializer\Exception\RuntimeException;
25		use JMS\Serializer\Exception\XmlErrorException;
26		use JMS\Serializer\Metadata\ClassMetadata;
27		use JMS\Serializer\Metadata\PropertyMetadata;
28
29		class XmlDeserializationVisitor extends AbstractVisitor implements NullAwareVisitorInterface, DeserializationVisitorInterface
30		{
31		private $objectStack;
32		private $metadataStack;
33		private $objectMetadataStack;
34		private $currentObject;
35		private $currentMetadata;
36		private $disableExternalEntities = true;
37		private $doctypeWhitelist = array();
38
39	64	public function __construct(
40		GraphNavigatorInterface $navigator,
41		AccessorStrategyInterface $accessorStrategy,
42		DeserializationContext $context,
43		bool $disableExternalEntities = true, array $doctypeWhitelist = array())
44		{
45	64	parent::__construct($navigator, $accessorStrategy, $context);
46	64	$this->objectStack = new \SplStack;
47	64	$this->metadataStack = new \SplStack;
48	64	$this->objectMetadataStack = new \SplStack;
49	64	$this->disableExternalEntities = $disableExternalEntities;
50	64	$this->doctypeWhitelist = $doctypeWhitelist;
51	64	}
52
53	63	public function prepare($data)
54		{
55	63	$data = $this->emptyStringToSpaceCharacter($data);
56
57	63	$previous = libxml_use_internal_errors(true);
58	63	libxml_clear_errors();
59
60	63	$previousEntityLoaderState = libxml_disable_entity_loader($this->disableExternalEntities);
61
62	63	if (false !== stripos($data, '<!doctype')) {
63	2	$internalSubset = $this->getDomDocumentTypeEntitySubset($data);
64	2	if (!in_array($internalSubset, $this->doctypeWhitelist, true)) {
65	2	throw new InvalidArgumentException(sprintf(
66	2	'The document type "%s" is not allowed. If it is safe, you may add it to the whitelist configuration.',
67	2	$internalSubset
68		));
69		}
70		}
71
72	61	$doc = simplexml_load_string($data);
73
74	61	libxml_use_internal_errors($previous);
75	61	libxml_disable_entity_loader($previousEntityLoaderState);
76
77	61	if (false === $doc) {
78	1	throw new XmlErrorException(libxml_get_last_error());
79		}
80
81	60	return $doc;
82		}
83
84	63	private function emptyStringToSpaceCharacter($data)
85		{
86	63	return $data === '' ? ' ' : (string)$data;
87		}
88
89	7	public function visitNull($data, array $type): void
90		{
91
92	7	}
93
94	24	public function visitString($data, array $type): string
95		{
96	24	return (string)$data;
97		}
98
99	8	public function visitBoolean($data, array $type): bool
100		{
101	8	$data = (string)$data;
102
103	8	if ('true' === $data \|\| '1' === $data) {
104	4	return true;
105	5	} elseif ('false' === $data \|\| '0' === $data) {
106	5	return false;
107		} else {
108		throw new RuntimeException(sprintf('Could not convert data to boolean. Expected "true", "false", "1" or "0", but got %s.', json_encode($data)));
109		}
110		}
111
112	8	public function visitInteger($data, array $type): int
113		{
114	8	return (integer)$data;
115		}
116
117	10	public function visitDouble($data, array $type): float
118		{
119	10	return (double)$data;
120		}
121
122	18	public function visitArray($data, array $type): array
123		{
124		// handle key-value-pairs
125	18	if (null !== $this->currentMetadata && $this->currentMetadata->xmlKeyValuePairs) {
126	2	if (2 !== count($type['params'])) {
127		throw new RuntimeException('The array type must be specified as "array<K,V>" for Key-Value-Pairs.');
128		}
129	2	$this->revertCurrentMetadata();
130
131	2	list($keyType, $entryType) = $type['params'];
132
133	2	$result = [];
134	2	foreach ($data as $key => $v) {
135	2	$k = $this->navigator->accept($key, $keyType, $this->context);
136	2	$result[$k] = $this->navigator->accept($v, $entryType, $this->context);
137		}
138
139	2	return $result;
140		}
141
142	18	$entryName = null !== $this->currentMetadata && $this->currentMetadata->xmlEntryName ? $this->currentMetadata->xmlEntryName : 'entry';
143	18	$namespace = null !== $this->currentMetadata && $this->currentMetadata->xmlEntryNamespace ? $this->currentMetadata->xmlEntryNamespace : null;
144
145	18	if ($namespace === null && $this->objectMetadataStack->count()) {
146	13	$classMetadata = $this->objectMetadataStack->top();
147	13	$namespace = isset($classMetadata->xmlNamespaces['']) ? $classMetadata->xmlNamespaces[''] : $namespace;
148	13	if ($namespace === null) {
149	10	$namespaces = $data->getDocNamespaces();
150	10	if (isset($namespaces[''])) {
151	1	$namespace = $namespaces[''];
152		}
153		}
154		}
155
156	18	if (null !== $namespace) {
157	5	$prefix = uniqid('ns-');
158	5	$data->registerXPathNamespace($prefix, $namespace);
159	5	$nodes = $data->xpath("$prefix:$entryName");
160		} else {
161	14	$nodes = $data->xpath($entryName);
162		}
163
164	18	if (!\count($nodes)) {
165	4	return array();
166		}
167
168	18	switch (\count($type['params'])) {
169	18	case 0:
170		throw new RuntimeException(sprintf('The array type must be specified either as "array<T>", or "array<K,V>".'));
171
172	18	case 1:
173	18	$result = array();
174
175	18	foreach ($nodes as $v) {
176	18	$result[] = $this->navigator->accept($v, $type['params'][0], $this->context);
177		}
178
179	18	return $result;
180
181	4	case 2:
182	4	if (null === $this->currentMetadata) {
183		throw new RuntimeException('Maps are not supported on top-level without metadata.');
184		}
185
186	4	list($keyType, $entryType) = $type['params'];
187	4	$result = array();
188
189	4	$nodes = $data->children($namespace)->$entryName;
190	4	foreach ($nodes as $v) {
191	4	$attrs = $v->attributes();
192	4	if (!isset($attrs[$this->currentMetadata->xmlKeyAttribute])) {
193		throw new RuntimeException(sprintf('The key attribute "%s" must be set for each entry of the map.', $this->currentMetadata->xmlKeyAttribute));
194		}
195
196	4	$k = $this->navigator->accept($attrs[$this->currentMetadata->xmlKeyAttribute], $keyType, $this->context);
197	4	$result[$k] = $this->navigator->accept($v, $entryType, $this->context);
198		}
199
200	4	return $result;
201
202		default:
203		throw new LogicException(sprintf('The array type does not support more than 2 parameters, but got %s.', json_encode($type['params'])));
204		}
205		}
206
207	32	public function startVisitingObject(ClassMetadata $metadata, object $object, array $type): void
208		{
209	32	$this->setCurrentObject($object);
210	32	$this->objectMetadataStack->push($metadata);
211	32	}
212
213	29	public function visitProperty(PropertyMetadata $metadata, $data): void
214		{
215	29	$name = $metadata->serializedName;
216
217	29	if (!$metadata->type) {
218		throw new RuntimeException(sprintf('You must define a type for %s::$%s.', $metadata->reflection->class, $metadata->name));
219		}
220
221	29	if ($metadata->xmlAttribute) {
222
223	6	$attributes = $data->attributes($metadata->xmlNamespace);
224	6	if (isset($attributes[$name])) {
225	6	$v = $this->navigator->accept($attributes[$name], $metadata->type, $this->context);
226	6	$this->accessor->setValue($this->currentObject, $v, $metadata);
227		}
228
229	6	return;
230		}
231
232	29	if ($metadata->xmlValue) {
233	7	$v = $this->navigator->accept($data, $metadata->type, $this->context);
234	7	$this->accessor->setValue($this->currentObject, $v, $metadata);
235
236	7	return;
237		}
238
239	27	if ($metadata->xmlCollection) {
240	7	$enclosingElem = $data;
241	7	if (!$metadata->xmlCollectionInline) {
242	6	$enclosingElem = $data->children($metadata->xmlNamespace)->$name;
243		}
244
245	7	$this->setCurrentMetadata($metadata);
246	7	$v = $this->navigator->accept($enclosingElem, $metadata->type, $this->context);
247	7	$this->revertCurrentMetadata();
248	7	$this->accessor->setValue($this->currentObject, $v, $metadata);
249
250	7	return;
251		}
252
253	26	if ($metadata->xmlNamespace) {
254	4	$node = $data->children($metadata->xmlNamespace)->$name;
255	4	if (!$node->count()) {
256	4	return;
257		}
258		} else {
259
260	23	$namespaces = $data->getDocNamespaces();
261
262	23	if (isset($namespaces[''])) {
263	2	$prefix = uniqid('ns-');
264	2	$data->registerXPathNamespace($prefix, $namespaces['']);
265	2	$nodes = $data->xpath('./' . $prefix . ':' . $name);
266		} else {
267	21	$nodes = $data->xpath('./' . $name);
268		}
269	23	if (empty($nodes)) {
270	2	return;
271		}
272	23	$node = reset($nodes);
273		}
274
275	25	if ($metadata->xmlKeyValuePairs) {
276	2	$this->setCurrentMetadata($metadata);
277		}
278
279	25	$v = $this->navigator->accept($node, $metadata->type, $this->context);
280
281	25	$this->accessor->setValue($this->currentObject, $v, $metadata);
282	25	}
283
284		/**
285		* @param ClassMetadata $metadata
286		* @param mixed $data
287		* @param array $type
288		* @return mixed
289		*/
290	32	public function endVisitingObject(ClassMetadata $metadata, $data, array $type) : object
291		{
292	32	$rs = $this->currentObject;
293	32	$this->objectMetadataStack->pop();
294	32	$this->revertCurrentObject();
295
296	32	return $rs;
297		}
298
299	32	public function setCurrentObject($object)
300		{
301	32	$this->objectStack->push($this->currentObject);
302	32	$this->currentObject = $object;
303	32	}
304
305		public function getCurrentObject()
306		{
307		return $this->currentObject;
308		}
309
310	32	public function revertCurrentObject()
311		{
312	32	return $this->currentObject = $this->objectStack->pop();
313		}
314
315	9	public function setCurrentMetadata(PropertyMetadata $metadata)
316		{
317	9	$this->metadataStack->push($this->currentMetadata);
318	9	$this->currentMetadata = $metadata;
319	9	}
320
321		public function getCurrentMetadata()
322		{
323		return $this->currentMetadata;
324		}
325
326	9	public function revertCurrentMetadata()
327		{
328	9	return $this->currentMetadata = $this->metadataStack->pop();
329		}
330
331	59	public function getResult($data)
332		{
333	59	return $data;
334		}
335
336		/**
337		* Retrieves internalSubset even in bugfixed php versions
338		*
339		* @param string $data
340		* @return string
341		*/
342	2	private function getDomDocumentTypeEntitySubset($data)
343		{
344	2	$startPos = $endPos = stripos($data, '<!doctype');
345	2	$braces = 0;
346		do {
347	2	$char = $data[$endPos++];
348	2	if ($char === '<') {
349	2	++$braces;
350		}
351	2	if ($char === '>') {
352	2	--$braces;
353		}
354	2	} while ($braces > 0);
355
356	2	$internalSubset = substr($data, $startPos, $endPos - $startPos);
357	2	$internalSubset = str_replace(array("\n", "\r"), '', $internalSubset);
358	2	$internalSubset = preg_replace('/\s{2,}/', ' ', $internalSubset);
359	2	$internalSubset = str_replace(array("[ <!", "> ]>"), array('[<!', '>]>'), $internalSubset);
360
361	2	return $internalSubset;
362		}
363
364		/**
365		* @param mixed $value
366		*
367		* @return bool
368		*/
369	61	public function isNull($value): bool
370		{
371	61	if ($value instanceof \SimpleXMLElement) {
372		// Workaround for https://bugs.php.net/bug.php?id=75168 and https://github.com/schmittjoh/serializer/issues/817
373		// If the "name" is empty means that we are on an not-existent node and subsequent operations on the object will trigger the warning:
374		// "Node no longer exists"
375	61	if ($value->getName() === "") {
376		// @todo should be "true", but for collections needs a default collection value. maybe something for the 2.0
377	2	return false;
378		}
379
380	61	$xsiAttributes = $value->attributes('http://www.w3.org/2001/XMLSchema-instance');
381	61	if (isset($xsiAttributes['nil'])
382	61	&& ((string)$xsiAttributes['nil'] === 'true' \|\| (string)$xsiAttributes['nil'] === '1')
383		) {
384	8	return true;
385		}
386		}
387
388	55	return $value === null;
389		}
390		}
391

schmittjoh / serializer

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XmlDeserializationVisitor::getCurrentObject() A

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