XmlDeserializationVisitor::getCurrentObject() - Code Metrics - Inspection of "Move accessors to graph navigator" - schmittjoh/serializer - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#923)

by Asmir

created 2018-04-27 18:56 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

declare(strict_types=1);

/*
 * 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\NotAcceptableException;
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,
        DeserializationContext $context,
        bool $disableExternalEntities = true, array $doctypeWhitelist = array())
    {
        parent::__construct($navigator, $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 visitDiscriminatorMapProperty($data, ClassMetadata $metadata): string
    {
        switch (true) {
            // Check XML attribute for discriminatorFieldName
            case $metadata->xmlDiscriminatorAttribute && isset($data[$metadata->discriminatorFieldName]):
                return (string)$data[$metadata->discriminatorFieldName];

            // Check XML element with namespace for discriminatorFieldName
            case !$metadata->xmlDiscriminatorAttribute && null !== $metadata->xmlDiscriminatorNamespace && isset($data->children($metadata->xmlDiscriminatorNamespace)->{$metadata->discriminatorFieldName}):
                return (string)$data->children($metadata->xmlDiscriminatorNamespace)->{$metadata->discriminatorFieldName};

            // Check XML element for discriminatorFieldName
            case isset($data->{$metadata->discriminatorFieldName}):
                return (string)$data->{$metadata->discriminatorFieldName};

            default:
                throw new LogicException(sprintf(
                    'The discriminator field name "%s" for base-class "%s" was not found in input data.',
                    $metadata->discriminatorFieldName,
                    $metadata->name
                ));
        }
    }

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

    public function visitProperty(PropertyMetadata $metadata, $data)
    {
        $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])) {
                return $this->navigator->accept($attributes[$name], $metadata->type, $this->context);
            }

            throw new NotAcceptableException();
        }

        if ($metadata->xmlValue) {
            return $this->navigator->accept($data, $metadata->type, $this->context);
        }

        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();
            return $v;
        }

        if ($metadata->xmlNamespace) {
            $node = $data->children($metadata->xmlNamespace)->$name;
            if (!$node->count()) {
                throw new NotAcceptableException();
            }
        } 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)) {
                throw new NotAcceptableException();
            }
            $node = reset($nodes);
        }

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

        return $this->navigator->accept($node, $metadata->type, $this->context);
    }

    /**
     * @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		declare(strict_types=1);
4
5		/*
6		* Copyright 2016 Johannes M. Schmitt <[email protected]>
7		*
8		* Licensed under the Apache License, Version 2.0 (the "License");
9		* you may not use this file except in compliance with the License.
10		* You may obtain a copy of the License at
11		*
12		* http://www.apache.org/licenses/LICENSE-2.0
13		*
14		* Unless required by applicable law or agreed to in writing, software
15		* distributed under the License is distributed on an "AS IS" BASIS,
16		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17		* See the License for the specific language governing permissions and
18		* limitations under the License.
19		*/
20
21		namespace JMS\Serializer;
22
23		use JMS\Serializer\Accessor\AccessorStrategyInterface;
24		use JMS\Serializer\Exception\InvalidArgumentException;
25		use JMS\Serializer\Exception\LogicException;
26		use JMS\Serializer\Exception\NotAcceptableException;
27		use JMS\Serializer\Exception\RuntimeException;
28		use JMS\Serializer\Exception\XmlErrorException;
29		use JMS\Serializer\Metadata\ClassMetadata;
30		use JMS\Serializer\Metadata\PropertyMetadata;
31
32		class XmlDeserializationVisitor extends AbstractVisitor implements NullAwareVisitorInterface, DeserializationVisitorInterface
33		{
34		private $objectStack;
35		private $metadataStack;
36		private $objectMetadataStack;
37		private $currentObject;
38		private $currentMetadata;
39		private $disableExternalEntities = true;
40		private $doctypeWhitelist = array();
41
42	69	public function __construct(
43		GraphNavigatorInterface $navigator,
44		DeserializationContext $context,
45		bool $disableExternalEntities = true, array $doctypeWhitelist = array())
46		{
47	69	parent::__construct($navigator, $context);
48	69	$this->objectStack = new \SplStack;
49	69	$this->metadataStack = new \SplStack;
50	69	$this->objectMetadataStack = new \SplStack;
51	69	$this->disableExternalEntities = $disableExternalEntities;
52	69	$this->doctypeWhitelist = $doctypeWhitelist;
53	69	}
54
55	68	public function prepare($data)
56		{
57	68	$data = $this->emptyStringToSpaceCharacter($data);
58
59	68	$previous = libxml_use_internal_errors(true);
60	68	libxml_clear_errors();
61
62	68	$previousEntityLoaderState = libxml_disable_entity_loader($this->disableExternalEntities);
63
64	68	if (false !== stripos($data, '<!doctype')) {
65	2	$internalSubset = $this->getDomDocumentTypeEntitySubset($data);
66	2	if (!in_array($internalSubset, $this->doctypeWhitelist, true)) {
67	2	throw new InvalidArgumentException(sprintf(
68	2	'The document type "%s" is not allowed. If it is safe, you may add it to the whitelist configuration.',
69	2	$internalSubset
70		));
71		}
72		}
73
74	66	$doc = simplexml_load_string($data);
75
76	66	libxml_use_internal_errors($previous);
77	66	libxml_disable_entity_loader($previousEntityLoaderState);
78
79	66	if (false === $doc) {
80	1	throw new XmlErrorException(libxml_get_last_error());
81		}
82
83	65	return $doc;
84		}
85
86	68	private function emptyStringToSpaceCharacter($data)
87		{
88	68	return $data === '' ? ' ' : (string)$data;
89		}
90
91	13	public function visitNull($data, array $type): void
92		{
93
94	13	}
95
96	23	public function visitString($data, array $type): string
97		{
98	23	return (string)$data;
99		}
100
101	8	public function visitBoolean($data, array $type): bool
102		{
103	8	$data = (string)$data;
104
105	8	if ('true' === $data \|\| '1' === $data) {
106	4	return true;
107	5	} elseif ('false' === $data \|\| '0' === $data) {
108	5	return false;
109		} else {
110		throw new RuntimeException(sprintf('Could not convert data to boolean. Expected "true", "false", "1" or "0", but got %s.', json_encode($data)));
111		}
112		}
113
114	8	public function visitInteger($data, array $type): int
115		{
116	8	return (integer)$data;
117		}
118
119	10	public function visitDouble($data, array $type): float
120		{
121	10	return (double)$data;
122		}
123
124	18	public function visitArray($data, array $type): array
125		{
126		// handle key-value-pairs
127	18	if (null !== $this->currentMetadata && $this->currentMetadata->xmlKeyValuePairs) {
128	2	if (2 !== count($type['params'])) {
129		throw new RuntimeException('The array type must be specified as "array<K,V>" for Key-Value-Pairs.');
130		}
131	2	$this->revertCurrentMetadata();
132
133	2	list($keyType, $entryType) = $type['params'];
134
135	2	$result = [];
136	2	foreach ($data as $key => $v) {
137	2	$k = $this->navigator->accept($key, $keyType, $this->context);
138	2	$result[$k] = $this->navigator->accept($v, $entryType, $this->context);
139		}
140
141	2	return $result;
142		}
143
144	18	$entryName = null !== $this->currentMetadata && $this->currentMetadata->xmlEntryName ? $this->currentMetadata->xmlEntryName : 'entry';
145	18	$namespace = null !== $this->currentMetadata && $this->currentMetadata->xmlEntryNamespace ? $this->currentMetadata->xmlEntryNamespace : null;
146
147	18	if ($namespace === null && $this->objectMetadataStack->count()) {
148	13	$classMetadata = $this->objectMetadataStack->top();
149	13	$namespace = isset($classMetadata->xmlNamespaces['']) ? $classMetadata->xmlNamespaces[''] : $namespace;
150	13	if ($namespace === null) {
151	10	$namespaces = $data->getDocNamespaces();
152	10	if (isset($namespaces[''])) {
153	1	$namespace = $namespaces[''];
154		}
155		}
156		}
157
158	18	if (null !== $namespace) {
159	5	$prefix = uniqid('ns-');
160	5	$data->registerXPathNamespace($prefix, $namespace);
161	5	$nodes = $data->xpath("$prefix:$entryName");
162		} else {
163	14	$nodes = $data->xpath($entryName);
164		}
165
166	18	if (!\count($nodes)) {
167	4	return array();
168		}
169
170	18	switch (\count($type['params'])) {
171	18	case 0:
172		throw new RuntimeException(sprintf('The array type must be specified either as "array<T>", or "array<K,V>".'));
173
174	18	case 1:
175	18	$result = array();
176
177	18	foreach ($nodes as $v) {
178	18	$result[] = $this->navigator->accept($v, $type['params'][0], $this->context);
179		}
180
181	18	return $result;
182
183	4	case 2:
184	4	if (null === $this->currentMetadata) {
185		throw new RuntimeException('Maps are not supported on top-level without metadata.');
186		}
187
188	4	list($keyType, $entryType) = $type['params'];
189	4	$result = array();
190
191	4	$nodes = $data->children($namespace)->$entryName;
192	4	foreach ($nodes as $v) {
193	4	$attrs = $v->attributes();
194	4	if (!isset($attrs[$this->currentMetadata->xmlKeyAttribute])) {
195		throw new RuntimeException(sprintf('The key attribute "%s" must be set for each entry of the map.', $this->currentMetadata->xmlKeyAttribute));
196		}
197
198	4	$k = $this->navigator->accept($attrs[$this->currentMetadata->xmlKeyAttribute], $keyType, $this->context);
199	4	$result[$k] = $this->navigator->accept($v, $entryType, $this->context);
200		}
201
202	4	return $result;
203
204		default:
205		throw new LogicException(sprintf('The array type does not support more than 2 parameters, but got %s.', json_encode($type['params'])));
206		}
207		}
208
209	7	public function visitDiscriminatorMapProperty($data, ClassMetadata $metadata): string
210		{
211		switch (true) {
212		// Check XML attribute for discriminatorFieldName
213	7	case $metadata->xmlDiscriminatorAttribute && isset($data[$metadata->discriminatorFieldName]):
214	1	return (string)$data[$metadata->discriminatorFieldName];
215
216		// Check XML element with namespace for discriminatorFieldName
217	6	case !$metadata->xmlDiscriminatorAttribute && null !== $metadata->xmlDiscriminatorNamespace && isset($data->children($metadata->xmlDiscriminatorNamespace)->{$metadata->discriminatorFieldName}):
218	1	return (string)$data->children($metadata->xmlDiscriminatorNamespace)->{$metadata->discriminatorFieldName};
219
220		// Check XML element for discriminatorFieldName
221	5	case isset($data->{$metadata->discriminatorFieldName}):
222	4	return (string)$data->{$metadata->discriminatorFieldName};
223
224		default:
225	1	throw new LogicException(sprintf(
226	1	'The discriminator field name "%s" for base-class "%s" was not found in input data.',
227	1	$metadata->discriminatorFieldName,
228	1	$metadata->name
229		));
230		}
231		}
232
233	31	public function startVisitingObject(ClassMetadata $metadata, object $object, array $type): void
234		{
235	31	$this->setCurrentObject($object);
236	31	$this->objectMetadataStack->push($metadata);
237	31	}
238
239	28	public function visitProperty(PropertyMetadata $metadata, $data)
240		{
241	28	$name = $metadata->serializedName;
242
243	28	if (!$metadata->type) {
244		throw new RuntimeException(sprintf('You must define a type for %s::$%s.', $metadata->reflection->class, $metadata->name));
245		}
246
247	28	if ($metadata->xmlAttribute) {
248
249	6	$attributes = $data->attributes($metadata->xmlNamespace);
250	6	if (isset($attributes[$name])) {
251	6	return $this->navigator->accept($attributes[$name], $metadata->type, $this->context);
252		}
253
254		throw new NotAcceptableException();
255		}
256
257	28	if ($metadata->xmlValue) {
258	7	return $this->navigator->accept($data, $metadata->type, $this->context);
259		}
260
261	26	if ($metadata->xmlCollection) {
262	7	$enclosingElem = $data;
263	7	if (!$metadata->xmlCollectionInline) {
264	6	$enclosingElem = $data->children($metadata->xmlNamespace)->$name;
265		}
266
267	7	$this->setCurrentMetadata($metadata);
268	7	$v = $this->navigator->accept($enclosingElem, $metadata->type, $this->context);
269	7	$this->revertCurrentMetadata();
270	7	return $v;
271		}
272
273	25	if ($metadata->xmlNamespace) {
274	4	$node = $data->children($metadata->xmlNamespace)->$name;
275	4	if (!$node->count()) {
276	4	throw new NotAcceptableException();
277		}
278		} else {
279
280	22	$namespaces = $data->getDocNamespaces();
281
282	22	if (isset($namespaces[''])) {
283	2	$prefix = uniqid('ns-');
284	2	$data->registerXPathNamespace($prefix, $namespaces['']);
285	2	$nodes = $data->xpath('./' . $prefix . ':' . $name);
286		} else {
287	20	$nodes = $data->xpath('./' . $name);
288		}
289	22	if (empty($nodes)) {
290	2	throw new NotAcceptableException();
291		}
292	22	$node = reset($nodes);
293		}
294
295	24	if ($metadata->xmlKeyValuePairs) {
296	2	$this->setCurrentMetadata($metadata);
297		}
298
299	24	return $this->navigator->accept($node, $metadata->type, $this->context);
300		}
301
302		/**
303		* @param ClassMetadata $metadata
304		* @param mixed $data
305		* @param array $type
306		* @return mixed
307		*/
308	31	public function endVisitingObject(ClassMetadata $metadata, $data, array $type) : object
309		{
310	31	$rs = $this->currentObject;
311	31	$this->objectMetadataStack->pop();
312	31	$this->revertCurrentObject();
313
314	31	return $rs;
315		}
316
317	31	public function setCurrentObject($object)
318		{
319	31	$this->objectStack->push($this->currentObject);
320	31	$this->currentObject = $object;
321	31	}
322
323		public function getCurrentObject()
324		{
325		return $this->currentObject;
326		}
327
328	31	public function revertCurrentObject()
329		{
330	31	return $this->currentObject = $this->objectStack->pop();
331		}
332
333	9	public function setCurrentMetadata(PropertyMetadata $metadata)
334		{
335	9	$this->metadataStack->push($this->currentMetadata);
336	9	$this->currentMetadata = $metadata;
337	9	}
338
339		public function getCurrentMetadata()
340		{
341		return $this->currentMetadata;
342		}
343
344	9	public function revertCurrentMetadata()
345		{
346	9	return $this->currentMetadata = $this->metadataStack->pop();
347		}
348
349	64	public function getResult($data)
350		{
351	64	return $data;
352		}
353
354		/**
355		* Retrieves internalSubset even in bugfixed php versions
356		*
357		* @param string $data
358		* @return string
359		*/
360	2	private function getDomDocumentTypeEntitySubset($data)
361		{
362	2	$startPos = $endPos = stripos($data, '<!doctype');
363	2	$braces = 0;
364		do {
365	2	$char = $data[$endPos++];
366	2	if ($char === '<') {
367	2	++$braces;
368		}
369	2	if ($char === '>') {
370	2	--$braces;
371		}
372	2	} while ($braces > 0);
373
374	2	$internalSubset = substr($data, $startPos, $endPos - $startPos);
375	2	$internalSubset = str_replace(array("\n", "\r"), '', $internalSubset);
376	2	$internalSubset = preg_replace('/\s{2,}/', ' ', $internalSubset);
377	2	$internalSubset = str_replace(array("[ <!", "> ]>"), array('[<!', '>]>'), $internalSubset);
378
379	2	return $internalSubset;
380		}
381
382		/**
383		* @param mixed $value
384		*
385		* @return bool
386		*/
387	66	public function isNull($value): bool
388		{
389	66	if ($value instanceof \SimpleXMLElement) {
390		// Workaround for https://bugs.php.net/bug.php?id=75168 and https://github.com/schmittjoh/serializer/issues/817
391		// If the "name" is empty means that we are on an not-existent node and subsequent operations on the object will trigger the warning:
392		// "Node no longer exists"
393	66	if ($value->getName() === "") {
394		// @todo should be "true", but for collections needs a default collection value. maybe something for the 2.0
395	2	return false;
396		}
397
398	66	$xsiAttributes = $value->attributes('http://www.w3.org/2001/XMLSchema-instance');
399	66	if (isset($xsiAttributes['nil'])
400	66	&& ((string)$xsiAttributes['nil'] === 'true' \|\| (string)$xsiAttributes['nil'] === '1')
401		) {
402	14	return true;
403		}
404		}
405
406	54	return $value === null;
407		}
408		}
409

schmittjoh / serializer

Pull Request — master (#923)

XmlDeserializationVisitor::getCurrentObject() A

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