NodeGenerator::createScalarNode() - Code Metrics - Inspection of "add the possiblity to generate nodes whith query b..." - saxulum/saxulum-elasticsearch-querybuilder-generator - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( b68d1a...70ff0f )

by Dominik

created 2017-05-31 15:19 UTC

NodeGenerator::createScalarNode() A

↳ Parent: NodeGenerator

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	8
ccs	4
cts	4
cp	1
rs	9.4285
cc	2
eloc	4
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;
    }

    /**
     * @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	15		}
41
42			/**
43			* @param $query
44			*
45			* @return string
46			*/
47	15		public function generateByJson($query): string
48			{
49	15		$data = json_decode($query, false);
50	15		if (JSON_ERROR_NONE !== json_last_error()) {
51	1		throw new \InvalidArgumentException(sprintf('Message: %s, query: %s', json_last_error_msg(), $query));
52			}
53
54	14		if ($data instanceof \stdClass) {
55	13		$expr = $this->appendChildrenToObjectNode($data);
56			} else {
57	1		$expr = $this->appendChildrenToArrayNode($data);
58			}
59
60	14		$code = $this->phpGenerator->prettyPrint([new Assign(new Variable('node'), $expr)]);
61
62	14		return $this->structureCode($code);
63			}
64
65			/**
66			* @return Expr
67			*/
68	13	View Code Duplication	private function createObjectNode(): Expr
			0 ignored issues – show Duplication introduced 2017-05-31 15:24 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...
69			{
70	13		if (!$this->useQueryBuilderFactory) {
71	12		return new StaticCall(new Name('ObjectNode'), 'create');
72			}
73
74	1		return new MethodCall(new Variable('qb'), 'objectNode');
75			}
76
77			/**
78			* @return Expr
79			*/
80	4	View Code Duplication	private function createArrayNode(): Expr
			0 ignored issues – show Duplication introduced 2017-05-31 15:24 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
81			{
82	4		if (!$this->useQueryBuilderFactory) {
83	3		return new StaticCall(new Name('ArrayNode'), 'create');
84			}
85
86	1		return new MethodCall(new Variable('qb'), 'arrayNode');
87			}
88
89			/**
90			* @param string\|float\|int\|bool\|null $value
91			*
92			* @return Expr
93			*/
94	13		private function createScalarNode($value): Expr
95			{
96	13		if (!$this->useQueryBuilderFactory) {
97	12		return $this->createScalarNodeDefault($value);
98			}
99
100	1		return $this->createScalarNodeQueryBuilderFactory($value);
101			}
102
103			/**
104			* @param string\|float\|int\|bool\|null $value
105			*
106			* @return Expr
107			*/
108	12	View Code Duplication	private function createScalarNodeDefault($value): Expr
			0 ignored issues – show Duplication introduced 2017-05-31 15:24 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...
109			{
110	12		if (is_int($value)) {
111	5		return new StaticCall(new Name('IntNode'), 'create', [new Arg(new LNumber($value))]);
112	10		} elseif (is_float($value)) {
113	1		return new StaticCall(new Name('FloatNode'), 'create', [new Arg(new DNumber($value))]);
114	10		} elseif (is_bool($value)) {
115	1		return new StaticCall(new Name('BoolNode'), 'create', [new Arg(new ConstFetch(new Name($value ? 'true' : 'false')))]);
116	10		} elseif (null === $value) {
117	1		return new StaticCall(new Name('NullNode'), 'create');
118			}
119
120	10		return new StaticCall(new Name('StringNode'), 'create', [new Arg(new String_($value))]);
121			}
122
123			/**
124			* @param string\|float\|int\|bool\|null $value
125			*
126			* @return Expr
127			*/
128	1	View Code Duplication	private function createScalarNodeQueryBuilderFactory($value): Expr
			0 ignored issues – show Duplication introduced 2017-05-31 15:24 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...
129			{
130	1		if (is_int($value)) {
131	1		return new MethodCall(new Variable('qb'), 'intNode', [new Arg(new LNumber($value))]);
132	1		} elseif (is_float($value)) {
133	1		return new MethodCall(new Variable('qb'), 'floatNode', [new Arg(new DNumber($value))]);
134	1		} elseif (is_bool($value)) {
135	1		return new MethodCall(new Variable('qb'), 'boolNode', [new Arg(new ConstFetch(new Name($value ? 'true' : 'false')))]);
136	1		} elseif (null === $value) {
137	1		return new MethodCall(new Variable('qb'), 'nullNode');
138			}
139
140	1		return new MethodCall(new Variable('qb'), 'stringNode', [new Arg(new String_($value))]);
141			}
142
143			/**
144			* @param array $data
145			*
146			* @return Expr
147			*/
148	4		private function appendChildrenToArrayNode(array $data)
149			{
150	4		$expr = $this->createArrayNode();
151
152	4		foreach ($data as $key => $value) {
153	4	View Code Duplication	if ($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...
154	2		$nodeExpr = $this->createObjectNode();
155	4		} elseif (is_array($value)) {
156	2		$nodeExpr = $this->createArrayNode();
157			} else {
158	2		$nodeExpr = $this->createScalarNode($value);
159			}
160
161	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...
162	2		$nodeExpr = $this->appendChildrenToObjectNode($value);
163	4		} elseif (is_array($value)) {
164	2		$nodeExpr = $this->appendChildrenToArrayNode($value);
165			}
166
167	4		$expr = new MethodCall($expr, 'add', [new Arg($nodeExpr)]);
168			}
169
170	4		return $expr;
171			}
172
173			/**
174			* @param \stdClass $data
175			*
176			* @return Expr
177			*/
178	13		private function appendChildrenToObjectNode(\stdClass $data)
179			{
180	13		$expr = $this->createObjectNode();
181
182	13		foreach ($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...
183	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...
184	13		$nodeExpr = $this->createObjectNode();
185	12		} elseif (is_array($value)) {
186	3		$nodeExpr = $this->createArrayNode();
187			} else {
188	12		$nodeExpr = $this->createScalarNode($value);
189			}
190
191	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...
192	13		$nodeExpr = $this->appendChildrenToObjectNode($value);
193	12		} elseif (is_array($value)) {
194	3		$nodeExpr = $this->appendChildrenToArrayNode($value);
195			}
196
197	13		$expr = new MethodCall($expr, 'add', [new Arg(new String_($key)), new Arg($nodeExpr)]);
198			}
199
200	13		return $expr;
201			}
202
203			/**
204			* @param string $code
205			*
206			* @return string
207			*/
208	14		private function structureCode(string $code): string
209			{
210	14		$lines = $this->getLinesByCode($code);
211
212	14		$position = 0;
213
214	14		$structuredLines = [];
215
216	14	View Code Duplication	foreach ($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...
217	14		$lastStructuredLine = $structuredLines[count($structuredLines) - 1] ?? '';
218	14		$this->structuredLine($line, $lastStructuredLine, $position, $structuredLines);
219			}
220
221	14		$structuredLines[count($structuredLines) - 1] .= ';';
222
223	14		return implode("\n", $structuredLines);
224			}
225
226			/**
227			* @param string $code
228			*
229			* @return array
230			*/
231	14		private function getLinesByCode(string $code): array
232			{
233	14		$codeWithLinebreaks = str_replace('->add', "\n->add", substr($code, 0, -1));
234
235	14		return explode("\n", $codeWithLinebreaks);
236			}
237
238			/**
239			* @param string $line
240			* @param string $lastStructuredLine
241			* @param int $position
242			* @param array $structuredLines
243			*/
244	14		private function structuredLine(string $line, string $lastStructuredLine, int &$position, array &$structuredLines)
245			{
246	14		if (0 === strpos($line, '->add') &&
247	14		false === strpos($lastStructuredLine, ' )') &&
248	14		false === strpos($lastStructuredLine, 'oolNode') &&
249	14		false === strpos($lastStructuredLine, 'loatNode') &&
250	14		false === strpos($lastStructuredLine, 'ntNode') &&
251	14		false === strpos($lastStructuredLine, 'ullNode') &&
252	14		false === strpos($lastStructuredLine, 'tringNode')) {
253	14		++$position;
254			}
255
256	14		$lineLength = strlen($line);
257	14		$braceCount = 0;
258
259	14		while (')' === $line[--$lineLength]) {
260	14		++$braceCount;
261			}
262
263	14		$prefix = str_pad('', $position * 4);
264
265	14		if ($braceCount > 2) {
266	13		$structuredLines[] = $prefix.substr($line, 0, -($braceCount - 2));
267			} else {
268	14		$structuredLines[] = $prefix.$line;
269			}
270
271	14		while ($braceCount-- > 2) {
272	13		--$position;
273	13		$structuredLines[] = str_pad('', $position * 4).')';
274			}
275	14		}
276			}
277

saxulum / saxulum-elasticsearch-querybuilder-generator

Push — master ( b68d1a...70ff0f )

NodeGenerator::createScalarNode() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like