NodeGenerator::createScalarNode() - Code Metrics - saxulum/saxulum-elasticsearch-querybuilder-generator - Measure and Improve Code Quality continuously with Scrutinizer

NodeGenerator::createScalarNode() A
last analyzed 2018-08-11 15:31 UTC

↳ Parent: NodeGenerator

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	8
ccs	4
cts	4
cp	1
rs	10
c	0
b	0
f	0
cc	2
nc	2
nop	1
crap	2

<?php

declare(strict_types=1);

namespace Saxulum\ElasticSearchQueryBuilder\Generator;

use PhpParser\Node\Arg;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\ConstFetch;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Expr\Variable;
use PhpParser\Node\Name;
use PhpParser\Node\Scalar\DNumber;
use PhpParser\Node\Scalar\LNumber;
use PhpParser\Node\Scalar\String_;
use PhpParser\PrettyPrinter\Standard as PhpGenerator;

final class NodeGenerator
{
    /**
     * @var PhpGenerator
     */
    private $phpGenerator;

    /**
     * @var bool
     */
    private $useQueryBuilderFactory;

    /**
     * @param PhpGenerator $phpGenerator
     * @param bool         $useQueryBuilderFactory
     */
    public function __construct(PhpGenerator $phpGenerator, bool $useQueryBuilderFactory = false)
    {
        $this->phpGenerator = $phpGenerator;
        $this->useQueryBuilderFactory = $useQueryBuilderFactory;

        if ($useQueryBuilderFactory) {
            @trigger_error('Argument $useQueryBuilderFactory will be removed', E_USER_DEPRECATED);
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
        }
    }

    /**
     * @param $query
     *
     * @return string
     */
    public function generateByJson($query): string
    {
        $data = json_decode($query, false);
        if (JSON_ERROR_NONE !== json_last_error()) {
            throw new \InvalidArgumentException(sprintf('Message: %s, query: %s', json_last_error_msg(), $query));
        }

        if ($data instanceof \stdClass) {
            $expr = $this->appendChildrenToObjectNode($data);
        } else {
            $expr = $this->appendChildrenToArrayNode($data);
        }

        $code = $this->phpGenerator->prettyPrint([new Assign(new Variable('node'), $expr)]);

        return $this->structureCode($code);
    }

    /**
     * @return Expr
     */
    private function createObjectNode(): Expr

    {
        if (!$this->useQueryBuilderFactory) {
            return new StaticCall(new Name('ObjectNode'), 'create');
        }

        return new MethodCall(new Variable('qb'), 'objectNode');
    }

    /**
     * @return Expr
     */
    private function createArrayNode(): Expr

    {
        if (!$this->useQueryBuilderFactory) {
            return new StaticCall(new Name('ArrayNode'), 'create');
        }

        return new MethodCall(new Variable('qb'), 'arrayNode');
    }

    /**
     * @param string|float|int|bool|null $value
     *
     * @return Expr
     */
    private function createScalarNode($value): Expr
    {
        if (!$this->useQueryBuilderFactory) {
            return $this->createScalarNodeDefault($value);
        }

        return $this->createScalarNodeQueryBuilderFactory($value);
    }

    /**
     * @param string|float|int|bool|null $value
     *
     * @return Expr
     */
    private function createScalarNodeDefault($value): Expr

    {
        if (is_int($value)) {
            return new StaticCall(new Name('IntNode'), 'create', [new Arg(new LNumber($value))]);
        } elseif (is_float($value)) {
            return new StaticCall(new Name('FloatNode'), 'create', [new Arg(new DNumber($value))]);
        } elseif (is_bool($value)) {
            return new StaticCall(new Name('BoolNode'), 'create', [new Arg(new ConstFetch(new Name($value ? 'true' : 'false')))]);
        } elseif (null === $value) {
            return new StaticCall(new Name('NullNode'), 'create');
        }

        return new StaticCall(new Name('StringNode'), 'create', [new Arg(new String_($value))]);
    }

    /**
     * @param string|float|int|bool|null $value
     *
     * @return Expr
     */
    private function createScalarNodeQueryBuilderFactory($value): Expr

    {
        if (is_int($value)) {
            return new MethodCall(new Variable('qb'), 'intNode', [new Arg(new LNumber($value))]);
        } elseif (is_float($value)) {
            return new MethodCall(new Variable('qb'), 'floatNode', [new Arg(new DNumber($value))]);
        } elseif (is_bool($value)) {
            return new MethodCall(new Variable('qb'), 'boolNode', [new Arg(new ConstFetch(new Name($value ? 'true' : 'false')))]);
        } elseif (null === $value) {
            return new MethodCall(new Variable('qb'), 'nullNode');
        }

        return new MethodCall(new Variable('qb'), 'stringNode', [new Arg(new String_($value))]);
    }

    /**
     * @param array $data
     *
     * @return Expr
     */
    private function appendChildrenToArrayNode(array $data)
    {
        $expr = $this->createArrayNode();

        foreach ($data as $key => $value) {
            if ($value instanceof \stdClass) {

                $nodeExpr = $this->createObjectNode();
            } elseif (is_array($value)) {
                $nodeExpr = $this->createArrayNode();
            } else {
                $nodeExpr = $this->createScalarNode($value);
            }

            if ($value instanceof \stdClass) {

                $nodeExpr = $this->appendChildrenToObjectNode($value);
            } elseif (is_array($value)) {
                $nodeExpr = $this->appendChildrenToArrayNode($value);
            }

            $expr = new MethodCall($expr, 'add', [new Arg($nodeExpr)]);
        }

        return $expr;
    }

    /**
     * @param \stdClass $data
     *
     * @return Expr
     */
    private function appendChildrenToObjectNode(\stdClass $data)
    {
        $expr = $this->createObjectNode();

        foreach ($data as $key => $value) {

            if ($value instanceof \stdClass) {

                $nodeExpr = $this->createObjectNode();
            } elseif (is_array($value)) {
                $nodeExpr = $this->createArrayNode();
            } else {
                $nodeExpr = $this->createScalarNode($value);
            }

            if ($value instanceof \stdClass) {

                $nodeExpr = $this->appendChildrenToObjectNode($value);
            } elseif (is_array($value)) {
                $nodeExpr = $this->appendChildrenToArrayNode($value);
            }

            $expr = new MethodCall($expr, 'add', [new Arg(new String_($key)), new Arg($nodeExpr)]);
        }

        return $expr;
    }

    /**
     * @param string $code
     *
     * @return string
     */
    private function structureCode(string $code): string
    {
        $lines = $this->getLinesByCode($code);

        $position = 0;

        $structuredLines = [];

        foreach ($lines as $i => $line) {

            $lastStructuredLine = $structuredLines[count($structuredLines) - 1] ?? '';
            $this->structuredLine($line, $lastStructuredLine, $position, $structuredLines);
        }

        $structuredLines[count($structuredLines) - 1] .= ';';

        return implode("\n", $structuredLines);
    }

    /**
     * @param string $code
     *
     * @return array
     */
    private function getLinesByCode(string $code): array
    {
        $codeWithLinebreaks = str_replace('->add', "\n->add", substr($code, 0, -1));

        return explode("\n", $codeWithLinebreaks);
    }

    /**
     * @param string $line
     * @param string $lastStructuredLine
     * @param int    $position
     * @param array  $structuredLines
     */
    private function structuredLine(string $line, string $lastStructuredLine, int &$position, array &$structuredLines)
    {
        if (0 === strpos($line, '->add') &&
            false === strpos($lastStructuredLine, ' )') &&
            false === strpos($lastStructuredLine, 'oolNode') &&
            false === strpos($lastStructuredLine, 'loatNode') &&
            false === strpos($lastStructuredLine, 'ntNode') &&
            false === strpos($lastStructuredLine, 'ullNode') &&
            false === strpos($lastStructuredLine, 'tringNode')) {
            ++$position;
        }

        $lineLength = strlen($line);
        $braceCount = 0;

        while (')' === $line[--$lineLength]) {
            ++$braceCount;
        }

        $prefix = str_pad('', $position * 4);

        if ($braceCount > 2) {
            $structuredLines[] = $prefix.substr($line, 0, -($braceCount - 2));
        } else {
            $structuredLines[] = $prefix.$line;
        }

        while ($braceCount-- > 2) {
            --$position;
            $structuredLines[] = str_pad('', $position * 4).')';
        }
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Saxulum\ElasticSearchQueryBuilder\Generator;
6
7			use PhpParser\Node\Arg;
8			use PhpParser\Node\Expr;
9			use PhpParser\Node\Expr\Assign;
10			use PhpParser\Node\Expr\ConstFetch;
11			use PhpParser\Node\Expr\MethodCall;
12			use PhpParser\Node\Expr\StaticCall;
13			use PhpParser\Node\Expr\Variable;
14			use PhpParser\Node\Name;
15			use PhpParser\Node\Scalar\DNumber;
16			use PhpParser\Node\Scalar\LNumber;
17			use PhpParser\Node\Scalar\String_;
18			use PhpParser\PrettyPrinter\Standard as PhpGenerator;
19
20			final class NodeGenerator
21			{
22			/**
23			* @var PhpGenerator
24			*/
25			private $phpGenerator;
26
27			/**
28			* @var bool
29			*/
30			private $useQueryBuilderFactory;
31
32			/**
33			* @param PhpGenerator $phpGenerator
34			* @param bool $useQueryBuilderFactory
35			*/
36	15		public function __construct(PhpGenerator $phpGenerator, bool $useQueryBuilderFactory = false)
37			{
38	15		$this->phpGenerator = $phpGenerator;
39	15		$this->useQueryBuilderFactory = $useQueryBuilderFactory;
40
41	15		if ($useQueryBuilderFactory) {
42	1		@trigger_error('Argument $useQueryBuilderFactory will be removed', E_USER_DEPRECATED);
			0 ignored issues – show Security Best Practice introduced 2018-04-18 17:39 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
43			}
44	15		}
45
46			/**
47			* @param $query
48			*
49			* @return string
50			*/
51	15		public function generateByJson($query): string
52			{
53	15		$data = json_decode($query, false);
54	15		if (JSON_ERROR_NONE !== json_last_error()) {
55	1		throw new \InvalidArgumentException(sprintf('Message: %s, query: %s', json_last_error_msg(), $query));
56			}
57
58	14		if ($data instanceof \stdClass) {
59	13		$expr = $this->appendChildrenToObjectNode($data);
60			} else {
61	1		$expr = $this->appendChildrenToArrayNode($data);
62			}
63
64	14		$code = $this->phpGenerator->prettyPrint([new Assign(new Variable('node'), $expr)]);
65
66	14		return $this->structureCode($code);
67			}
68
69			/**
70			* @return Expr
71			*/
72	13	View Code Duplication	private function createObjectNode(): Expr
			0 ignored issues – show Duplication introduced 2018-04-18 17:39 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
73			{
74	13		if (!$this->useQueryBuilderFactory) {
75	12		return new StaticCall(new Name('ObjectNode'), 'create');
76			}
77
78	1		return new MethodCall(new Variable('qb'), 'objectNode');
79			}
80
81			/**
82			* @return Expr
83			*/
84	4	View Code Duplication	private function createArrayNode(): Expr
			0 ignored issues – show Duplication introduced 2018-04-18 17:39 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
85			{
86	4		if (!$this->useQueryBuilderFactory) {
87	3		return new StaticCall(new Name('ArrayNode'), 'create');
88			}
89
90	1		return new MethodCall(new Variable('qb'), 'arrayNode');
91			}
92
93			/**
94			* @param string\|float\|int\|bool\|null $value
95			*
96			* @return Expr
97			*/
98	13		private function createScalarNode($value): Expr
99			{
100	13		if (!$this->useQueryBuilderFactory) {
101	12		return $this->createScalarNodeDefault($value);
102			}
103
104	1		return $this->createScalarNodeQueryBuilderFactory($value);
105			}
106
107			/**
108			* @param string\|float\|int\|bool\|null $value
109			*
110			* @return Expr
111			*/
112	12	View Code Duplication	private function createScalarNodeDefault($value): Expr
			0 ignored issues – show Duplication introduced 2018-04-18 17:39 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
113			{
114	12		if (is_int($value)) {
115	5		return new StaticCall(new Name('IntNode'), 'create', [new Arg(new LNumber($value))]);
116	10		} elseif (is_float($value)) {
117	1		return new StaticCall(new Name('FloatNode'), 'create', [new Arg(new DNumber($value))]);
118	10		} elseif (is_bool($value)) {
119	1		return new StaticCall(new Name('BoolNode'), 'create', [new Arg(new ConstFetch(new Name($value ? 'true' : 'false')))]);
120	10		} elseif (null === $value) {
121	1		return new StaticCall(new Name('NullNode'), 'create');
122			}
123
124	10		return new StaticCall(new Name('StringNode'), 'create', [new Arg(new String_($value))]);
125			}
126
127			/**
128			* @param string\|float\|int\|bool\|null $value
129			*
130			* @return Expr
131			*/
132	1	View Code Duplication	private function createScalarNodeQueryBuilderFactory($value): Expr
			0 ignored issues – show Duplication introduced 2018-04-18 17:39 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
133			{
134	1		if (is_int($value)) {
135	1		return new MethodCall(new Variable('qb'), 'intNode', [new Arg(new LNumber($value))]);
136	1		} elseif (is_float($value)) {
137	1		return new MethodCall(new Variable('qb'), 'floatNode', [new Arg(new DNumber($value))]);
138	1		} elseif (is_bool($value)) {
139	1		return new MethodCall(new Variable('qb'), 'boolNode', [new Arg(new ConstFetch(new Name($value ? 'true' : 'false')))]);
140	1		} elseif (null === $value) {
141	1		return new MethodCall(new Variable('qb'), 'nullNode');
142			}
143
144	1		return new MethodCall(new Variable('qb'), 'stringNode', [new Arg(new String_($value))]);
145			}
146
147			/**
148			* @param array $data
149			*
150			* @return Expr
151			*/
152	4		private function appendChildrenToArrayNode(array $data)
153			{
154	4		$expr = $this->createArrayNode();
155
156	4		foreach ($data as $key => $value) {
157	4	View Code Duplication	if ($value instanceof \stdClass) {
			0 ignored issues – show Duplication introduced 2017-04-24 12:02 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
158	2		$nodeExpr = $this->createObjectNode();
159	4		} elseif (is_array($value)) {
160	2		$nodeExpr = $this->createArrayNode();
161			} else {
162	2		$nodeExpr = $this->createScalarNode($value);
163			}
164
165	4	View Code Duplication	if ($value instanceof \stdClass) {
			0 ignored issues – show Duplication introduced 2017-04-24 12:02 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
166	2		$nodeExpr = $this->appendChildrenToObjectNode($value);
167	4		} elseif (is_array($value)) {
168	2		$nodeExpr = $this->appendChildrenToArrayNode($value);
169			}
170
171	4		$expr = new MethodCall($expr, 'add', [new Arg($nodeExpr)]);
172			}
173
174	4		return $expr;
175			}
176
177			/**
178			* @param \stdClass $data
179			*
180			* @return Expr
181			*/
182	13		private function appendChildrenToObjectNode(\stdClass $data)
183			{
184	13		$expr = $this->createObjectNode();
185
186	13		foreach ($data as $key => $value) {
			0 ignored issues – show Bug introduced 2017-04-24 12:02 UTC by Report Bug Copy Issue Report The expression `$data` of type `object<stdClass>` is not traversable. Loading history...
187	13	View Code Duplication	if ($value instanceof \stdClass) {
			0 ignored issues – show Duplication introduced 2017-04-24 12:02 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
188	13		$nodeExpr = $this->createObjectNode();
189	12		} elseif (is_array($value)) {
190	3		$nodeExpr = $this->createArrayNode();
191			} else {
192	12		$nodeExpr = $this->createScalarNode($value);
193			}
194
195	13	View Code Duplication	if ($value instanceof \stdClass) {
			0 ignored issues – show Duplication introduced 2017-04-24 12:02 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
196	13		$nodeExpr = $this->appendChildrenToObjectNode($value);
197	12		} elseif (is_array($value)) {
198	3		$nodeExpr = $this->appendChildrenToArrayNode($value);
199			}
200
201	13		$expr = new MethodCall($expr, 'add', [new Arg(new String_($key)), new Arg($nodeExpr)]);
202			}
203
204	13		return $expr;
205			}
206
207			/**
208			* @param string $code
209			*
210			* @return string
211			*/
212	14		private function structureCode(string $code): string
213			{
214	14		$lines = $this->getLinesByCode($code);
215
216	14		$position = 0;
217
218	14		$structuredLines = [];
219
220	14	View Code Duplication	foreach ($lines as $i => $line) {
			0 ignored issues – show Duplication introduced 2017-04-24 12:02 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
221	14		$lastStructuredLine = $structuredLines[count($structuredLines) - 1] ?? '';
222	14		$this->structuredLine($line, $lastStructuredLine, $position, $structuredLines);
223			}
224
225	14		$structuredLines[count($structuredLines) - 1] .= ';';
226
227	14		return implode("\n", $structuredLines);
228			}
229
230			/**
231			* @param string $code
232			*
233			* @return array
234			*/
235	14		private function getLinesByCode(string $code): array
236			{
237	14		$codeWithLinebreaks = str_replace('->add', "\n->add", substr($code, 0, -1));
238
239	14		return explode("\n", $codeWithLinebreaks);
240			}
241
242			/**
243			* @param string $line
244			* @param string $lastStructuredLine
245			* @param int $position
246			* @param array $structuredLines
247			*/
248	14		private function structuredLine(string $line, string $lastStructuredLine, int &$position, array &$structuredLines)
249			{
250	14		if (0 === strpos($line, '->add') &&
251	14		false === strpos($lastStructuredLine, ' )') &&
252	14		false === strpos($lastStructuredLine, 'oolNode') &&
253	14		false === strpos($lastStructuredLine, 'loatNode') &&
254	14		false === strpos($lastStructuredLine, 'ntNode') &&
255	14		false === strpos($lastStructuredLine, 'ullNode') &&
256	14		false === strpos($lastStructuredLine, 'tringNode')) {
257	14		++$position;
258			}
259
260	14		$lineLength = strlen($line);
261	14		$braceCount = 0;
262
263	14		while (')' === $line[--$lineLength]) {
264	14		++$braceCount;
265			}
266
267	14		$prefix = str_pad('', $position * 4);
268
269	14		if ($braceCount > 2) {
270	13		$structuredLines[] = $prefix.substr($line, 0, -($braceCount - 2));
271			} else {
272	14		$structuredLines[] = $prefix.$line;
273			}
274
275	14		while ($braceCount-- > 2) {
276	13		--$position;
277	13		$structuredLines[] = str_pad('', $position * 4).')';
278			}
279	14		}
280			}
281

saxulum / saxulum-elasticsearch-querybuilder-generator

NodeGenerator::createScalarNode() A last analyzed 2018-08-11 15:31 UTC

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NodeGenerator::createScalarNode() A
last analyzed 2018-08-11 15:31 UTC