Fetcher::fetchDeepChildren() - Code Metrics - Inspection of "Index slice matcher implemented" - remorhaz/php-json-path - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 37a545...2ac5c4 )

by Edward

created 2019-07-28 21:57 UTC

Fetcher::fetchDeepChildren() A

↳ Parent: Fetcher

Complexity

Conditions	3
Paths	3

Size

Total Lines	14
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes

Metric	Value
cc	3
eloc	7
nc	3
nop	2
dl	0
loc	14
ccs	0
cts	8
cp	0
crap	12
rs	10
c	0
b	0
f	0

<?php
declare(strict_types=1);

namespace Remorhaz\JSON\Path\Runtime;

use function array_push;
use Iterator;
use Remorhaz\JSON\Data\Value\ArrayValueInterface;
use Remorhaz\JSON\Path\Value\EvaluatedValueInterface;
use Remorhaz\JSON\Path\Value\EvaluatedValueListInterface;
use Remorhaz\JSON\Data\Value\NodeValueInterface;
use Remorhaz\JSON\Path\Value\NodeValueListBuilder;
use Remorhaz\JSON\Path\Value\NodeValueListInterface;
use Remorhaz\JSON\Data\Value\ObjectValueInterface;
use Remorhaz\JSON\Data\Value\ScalarValueInterface;
use Remorhaz\JSON\Data\Iterator\ValueIteratorFactory;
use Remorhaz\JSON\Path\Value\ValueListInterface;

final class Fetcher
{

    private $valueIteratorFactory;

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

    /**
     * @param NodeValueListInterface $source
     * @param Matcher\ChildMatcherInterface ...$matcherList
     * @return NodeValueListInterface
     */
    public function fetchChildren(
        NodeValueListInterface $source,
        Matcher\ChildMatcherInterface ...$matcherList
    ): NodeValueListInterface {
        $nodesBuilder = new NodeValueListBuilder;
        foreach ($source->getValues() as $sourceIndex => $sourceValue) {
            $matcher = $matcherList[$sourceIndex];
            $children = $this->fetchValueChildren($matcher, $sourceValue);
            $outerIndex = $source->getIndexMap()->getOuterIndex($sourceIndex);
            foreach ($children as $child) {
                $nodesBuilder->addValue($child, $outerIndex);
            }
        }

        return $nodesBuilder->build();
    }

    public function fetchDeepChildren(
        Matcher\ChildMatcherInterface $matcher,
        NodeValueListInterface $source
    ): NodeValueListInterface {
        $nodesBuilder = new NodeValueListBuilder;
        foreach ($source->getValues() as $sourceIndex => $sourceValue) {
            $children = $this->fetchValueDeepChildren($matcher, $sourceValue);
            $outerIndex = $source->getIndexMap()->getOuterIndex($sourceIndex);
            foreach ($children as $child) {
                $nodesBuilder->addValue($child, $outerIndex);
            }
        }

        return $nodesBuilder->build();
    }

    /**
     * @param Matcher\ChildMatcherInterface $matcher
     * @param NodeValueInterface $value
     * @return NodeValueInterface[]
     */
    private function fetchValueChildren(
        Matcher\ChildMatcherInterface $matcher,
        NodeValueInterface $value
    ): array {
        if ($value instanceof ScalarValueInterface) {
            return [];
        }

        if ($value instanceof ArrayValueInterface) {
            return $this->fetchElements($value->createIterator(), $matcher);
        }

        if ($value instanceof ObjectValueInterface) {
            return $this->fetchProperties($value->createIterator(), $matcher);
        }

        throw new Exception\UnexpectedNodeValueFetchedException($value);
    }

    private function fetchValueDeepChildren(
        Matcher\ChildMatcherInterface $matcher,
        NodeValueInterface $value
    ): array {
        if ($value instanceof ScalarValueInterface) {
            return [];
        }

        if ($value instanceof ArrayValueInterface) {
            return $this->fetchDeepElements($value->createIterator(), $matcher);
        }

        if ($value instanceof ObjectValueInterface) {
            return $this->fetchDeepProperties($value->createIterator(), $matcher);
        }

        throw new Exception\UnexpectedNodeValueFetchedException($value);
    }

    private function fetchDeepElements(Iterator $iterator, Matcher\ChildMatcherInterface $matcher): array
    {
        $results = [];
        foreach ($this->valueIteratorFactory->createArrayIterator($iterator) as $index => $element) {
            if ($matcher->match($index)) {
                $results[] = $element;
            }
            array_push(
                $results,
                ...$this->fetchValueDeepChildren($matcher, $element)
            );
        }

        return $results;
    }

    private function fetchDeepProperties(Iterator $iterator, Matcher\ChildMatcherInterface $matcher): array
    {
        $results = [];
        foreach ($this->valueIteratorFactory->createObjectIterator($iterator) as $name => $property) {
            if ($matcher->match($name)) {
                $results[] = $property;
            }
            array_push(
                $results,
                ...$this->fetchValueDeepChildren($matcher, $property)
            );
        }

        return $results;
    }

    public function fetchFilterContext(NodeValueListInterface $source): NodeValueListInterface
    {
        $nodesBuilder = new NodeValueListBuilder;
        foreach ($source->getValues() as $sourceIndex => $sourceValue) {
            if (!$sourceValue instanceof NodeValueInterface) {
                throw new Exception\InvalidContextValueException($sourceValue);
            }
            $outerIndex = $source->getIndexMap()->getOuterIndex($sourceIndex);
            $children = $sourceValue instanceof ArrayValueInterface
                ? $this->fetchValueChildren(new Matcher\AnyChildMatcher, $sourceValue)
                : [$sourceValue];
            foreach ($children as $child) {
                $nodesBuilder->addValue($child, $outerIndex);
            }
        }

        return $nodesBuilder->build();
    }

    public function fetchFilteredValues(
        EvaluatedValueListInterface $results,
        NodeValueListInterface $values
    ): NodeValueListInterface {
        if (!$values->getIndexMap()->equals($results->getIndexMap())) {
            throw new Exception\IndexMapMatchFailedException($values, $results);
        }
        $nodesBuilder = new NodeValueListBuilder;
        foreach ($values->getValues() as $index => $value) {
            $evaluatedValue = $results->getValue($index);
            if (!$evaluatedValue instanceof EvaluatedValueInterface) {
                throw new Exception\InvalidFilterValueException($evaluatedValue);
            }
            if (!$evaluatedValue->getData()) {
                continue;
            }
            $nodesBuilder->addValue(
                $value,
                $values->getIndexMap()->getOuterIndex($index)
            );
        }

        return $nodesBuilder->build();
    }

    private function fetchElements(Iterator $iterator, Matcher\ChildMatcherInterface $matcher): array
    {
        $results = [];
        foreach ($this->valueIteratorFactory->createArrayIterator($iterator) as $index => $element) {
            if ($matcher->match($index)) {
                $results[] = $element;
            }
        }

        return $results;
    }

    private function fetchProperties(Iterator $iterator, Matcher\ChildMatcherInterface $matcher): array
    {
        $results = [];
        foreach ($this->valueIteratorFactory->createObjectIterator($iterator) as $name => $property) {
            if ($matcher->match($name)) {
                $results[] = $property;
            }
        }

        return $results;
    }

    /**
     * @param ValueListInterface $valueList
     * @return int[][]
     */
    public function fetchIndice(ValueListInterface $valueList): array
    {
        $result = [];
        foreach ($valueList->getValues() as $valueIndex => $value) {
            if (!$value instanceof ArrayValueInterface) {
                $result[$valueIndex] = [];
                continue;
            }

            $indice = [];
            $elementIterator = $this->valueIteratorFactory->createArrayIterator($value->createIterator());
            foreach ($elementIterator as $index => $element) {
                $indice[] = $index;
            }
            $result[$valueIndex] = $indice;
        }

        return $result;
    }
}


1			<?php
2			declare(strict_types=1);
3
4			namespace Remorhaz\JSON\Path\Runtime;
5
6			use function array_push;
7			use Iterator;
8			use Remorhaz\JSON\Data\Value\ArrayValueInterface;
9			use Remorhaz\JSON\Path\Value\EvaluatedValueInterface;
10			use Remorhaz\JSON\Path\Value\EvaluatedValueListInterface;
11			use Remorhaz\JSON\Data\Value\NodeValueInterface;
12			use Remorhaz\JSON\Path\Value\NodeValueListBuilder;
13			use Remorhaz\JSON\Path\Value\NodeValueListInterface;
14			use Remorhaz\JSON\Data\Value\ObjectValueInterface;
15			use Remorhaz\JSON\Data\Value\ScalarValueInterface;
16			use Remorhaz\JSON\Data\Iterator\ValueIteratorFactory;
17			use Remorhaz\JSON\Path\Value\ValueListInterface;
18
19			final class Fetcher
20			{
21
22			private $valueIteratorFactory;
23
24			public function __construct(ValueIteratorFactory $valueIteratorFactory)
25			{
26			$this->valueIteratorFactory = $valueIteratorFactory;
27			}
28
29			/**
30			* @param NodeValueListInterface $source
31			* @param Matcher\ChildMatcherInterface ...$matcherList
32			* @return NodeValueListInterface
33			*/
34			public function fetchChildren(
35			NodeValueListInterface $source,
36			Matcher\ChildMatcherInterface ...$matcherList
37			): NodeValueListInterface {
38			$nodesBuilder = new NodeValueListBuilder;
39			foreach ($source->getValues() as $sourceIndex => $sourceValue) {
40			$matcher = $matcherList[$sourceIndex];
41			$children = $this->fetchValueChildren($matcher, $sourceValue);
42			$outerIndex = $source->getIndexMap()->getOuterIndex($sourceIndex);
43			foreach ($children as $child) {
44			$nodesBuilder->addValue($child, $outerIndex);
45			}
46			}
47
48			return $nodesBuilder->build();
49			}
50
51			public function fetchDeepChildren(
52			Matcher\ChildMatcherInterface $matcher,
53			NodeValueListInterface $source
54			): NodeValueListInterface {
55			$nodesBuilder = new NodeValueListBuilder;
56			foreach ($source->getValues() as $sourceIndex => $sourceValue) {
57			$children = $this->fetchValueDeepChildren($matcher, $sourceValue);
58			$outerIndex = $source->getIndexMap()->getOuterIndex($sourceIndex);
59			foreach ($children as $child) {
60			$nodesBuilder->addValue($child, $outerIndex);
61			}
62			}
63
64			return $nodesBuilder->build();
65			}
66
67			/**
68			* @param Matcher\ChildMatcherInterface $matcher
69			* @param NodeValueInterface $value
70			* @return NodeValueInterface[]
71			*/
72			private function fetchValueChildren(
73			Matcher\ChildMatcherInterface $matcher,
74			NodeValueInterface $value
75			): array {
76			if ($value instanceof ScalarValueInterface) {
77			return [];
78			}
79
80			if ($value instanceof ArrayValueInterface) {
81			return $this->fetchElements($value->createIterator(), $matcher);
82			}
83
84			if ($value instanceof ObjectValueInterface) {
85			return $this->fetchProperties($value->createIterator(), $matcher);
86			}
87
88			throw new Exception\UnexpectedNodeValueFetchedException($value);
89			}
90
91			private function fetchValueDeepChildren(
92			Matcher\ChildMatcherInterface $matcher,
93			NodeValueInterface $value
94			): array {
95			if ($value instanceof ScalarValueInterface) {
96			return [];
97			}
98
99			if ($value instanceof ArrayValueInterface) {
100			return $this->fetchDeepElements($value->createIterator(), $matcher);
101			}
102
103			if ($value instanceof ObjectValueInterface) {
104			return $this->fetchDeepProperties($value->createIterator(), $matcher);
105			}
106
107			throw new Exception\UnexpectedNodeValueFetchedException($value);
108			}
109
110			private function fetchDeepElements(Iterator $iterator, Matcher\ChildMatcherInterface $matcher): array
111			{
112			$results = [];
113			foreach ($this->valueIteratorFactory->createArrayIterator($iterator) as $index => $element) {
114			if ($matcher->match($index)) {
115			$results[] = $element;
116			}
117			array_push(
118			$results,
119			...$this->fetchValueDeepChildren($matcher, $element)
120			);
121			}
122
123			return $results;
124			}
125
126			private function fetchDeepProperties(Iterator $iterator, Matcher\ChildMatcherInterface $matcher): array
127			{
128			$results = [];
129			foreach ($this->valueIteratorFactory->createObjectIterator($iterator) as $name => $property) {
130			if ($matcher->match($name)) {
131			$results[] = $property;
132			}
133			array_push(
134			$results,
135			...$this->fetchValueDeepChildren($matcher, $property)
136			);
137			}
138
139			return $results;
140			}
141
142			public function fetchFilterContext(NodeValueListInterface $source): NodeValueListInterface
143			{
144			$nodesBuilder = new NodeValueListBuilder;
145			foreach ($source->getValues() as $sourceIndex => $sourceValue) {
146			if (!$sourceValue instanceof NodeValueInterface) {
147			throw new Exception\InvalidContextValueException($sourceValue);
148			}
149			$outerIndex = $source->getIndexMap()->getOuterIndex($sourceIndex);
150			$children = $sourceValue instanceof ArrayValueInterface
151			? $this->fetchValueChildren(new Matcher\AnyChildMatcher, $sourceValue)
152			: [$sourceValue];
153			foreach ($children as $child) {
154			$nodesBuilder->addValue($child, $outerIndex);
155			}
156			}
157
158			return $nodesBuilder->build();
159			}
160
161			public function fetchFilteredValues(
162			EvaluatedValueListInterface $results,
163			NodeValueListInterface $values
164			): NodeValueListInterface {
165			if (!$values->getIndexMap()->equals($results->getIndexMap())) {
166			throw new Exception\IndexMapMatchFailedException($values, $results);
167			}
168			$nodesBuilder = new NodeValueListBuilder;
169			foreach ($values->getValues() as $index => $value) {
170			$evaluatedValue = $results->getValue($index);
171			if (!$evaluatedValue instanceof EvaluatedValueInterface) {
172			throw new Exception\InvalidFilterValueException($evaluatedValue);
173			}
174			if (!$evaluatedValue->getData()) {
175			continue;
176			}
177			$nodesBuilder->addValue(
178			$value,
179			$values->getIndexMap()->getOuterIndex($index)
180			);
181			}
182
183			return $nodesBuilder->build();
184			}
185
186			private function fetchElements(Iterator $iterator, Matcher\ChildMatcherInterface $matcher): array
187			{
188			$results = [];
189			foreach ($this->valueIteratorFactory->createArrayIterator($iterator) as $index => $element) {
190			if ($matcher->match($index)) {
191			$results[] = $element;
192			}
193			}
194
195			return $results;
196			}
197
198			private function fetchProperties(Iterator $iterator, Matcher\ChildMatcherInterface $matcher): array
199			{
200			$results = [];
201			foreach ($this->valueIteratorFactory->createObjectIterator($iterator) as $name => $property) {
202			if ($matcher->match($name)) {
203			$results[] = $property;
204			}
205			}
206
207			return $results;
208			}
209
210			/**
211			* @param ValueListInterface $valueList
212			* @return int[][]
213			*/
214			public function fetchIndice(ValueListInterface $valueList): array
215			{
216			$result = [];
217			foreach ($valueList->getValues() as $valueIndex => $value) {
218			if (!$value instanceof ArrayValueInterface) {
219			$result[$valueIndex] = [];
220			continue;
221			}
222
223			$indice = [];
224			$elementIterator = $this->valueIteratorFactory->createArrayIterator($value->createIterator());
225			foreach ($elementIterator as $index => $element) {
226			$indice[] = $index;
227			}
228			$result[$valueIndex] = $indice;
229			}
230
231			return $result;
232			}
233			}
234

remorhaz / php-json-path

Push — master ( 37a545...2ac5c4 )

Fetcher::fetchDeepChildren() A

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