CallbackBuilder::onFinishProduction() - Code Metrics - Inspection of "Tests configuration fixed" - remorhaz/php-json-path - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 4f498a...34f509 )

by Edward

created 2021-01-15 14:18 UTC

CallbackBuilder::onFinishProduction() F

↳ Parent: CallbackBuilder

Complexity

Conditions	30
Paths	28

Size

Total Lines	279
Code Lines	201

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	12
CRAP Score	776.8101

Importance

Changes

Metric	Value
cc	30
eloc	201
nc	28
nop	1
dl	0
loc	279
ccs	12
cts	199
cp	0.0603
crap	776.8101
rs	3.3333
c	0
b	0
f	0

How to fix Long Method Complexity

<?php

declare(strict_types=1);

namespace Remorhaz\JSON\Path\Query;

use PhpParser\BuilderFactory;
use PhpParser\Node as PhpAstNode;
use PhpParser\Node\Arg;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Stmt\Expression;
use PhpParser\Node\Stmt\Return_;
use PhpParser\PrettyPrinter\Standard;
use Remorhaz\JSON\Path\Runtime\EvaluatorInterface;
use Remorhaz\JSON\Path\Runtime\LiteralFactoryInterface;
use Remorhaz\JSON\Path\Runtime\Matcher\MatcherFactoryInterface;
use Remorhaz\JSON\Path\Runtime\ValueListFetcherInterface;
use Remorhaz\JSON\Path\Value\NodeValueListInterface;
use Remorhaz\JSON\Path\Value\ValueListInterface;
use Remorhaz\UniLex\AST\AbstractTranslatorListener;
use Remorhaz\UniLex\AST\Node as QueryAstNode;
use Remorhaz\UniLex\Exception as UniLexException;
use Remorhaz\UniLex\Stack\PushInterface;

use function array_map;
use function array_reverse;
use function is_callable;

final class CallbackBuilder extends AbstractTranslatorListener implements CallbackBuilderInterface
{

    private const ARG_INPUT = 'input';

    private const ARG_VALUE_LIST_FETCHER = 'valueListFetcher';

    private const ARG_EVALUATOR = 'evaluator';

    private const ARG_LITERAL_FACTORY = 'literalFactory';

    private const ARG_MATCHER_FACTORY = 'matcherFactory';

    private $php;

    private $references = [];

    private $input;

    private $valueListFetcher;

    private $evaluator;

    private $literalFactory;

    private $matcherFactory;

    private $stmts = [];

    private $callback;

    private $callbackCode;

    private $capabilities;

    public function __construct()
    {
        $this->php = new BuilderFactory();
    }

    public function getCallback(): callable
    {
        if (!isset($this->callback)) {
            $callback = eval($this->getCallbackCode());

            if (!is_callable($callback)) {
                throw new Exception\InvalidCallbackCodeException($this->getCallbackCode());
            }
            $this->callback = $callback;
        }

        return $this->callback;
    }

    public function getCallbackCode(): string
    {
        if (isset($this->callbackCode)) {
            return $this->callbackCode;
        }

        throw new Exception\QueryCallbackCodeNotFoundException();
    }

    public function getCapabilities(): CapabilitiesInterface
    {
        if (isset($this->capabilities)) {
            return $this->capabilities;
        }

        throw new Exception\CapabilitiesNotFoundException();
    }

    public function onStart(QueryAstNode $node): void
    {
        $this->input = $this->php->var(self::ARG_INPUT);
        $this->valueListFetcher = $this->php->var(self::ARG_VALUE_LIST_FETCHER);
        $this->evaluator = $this->php->var(self::ARG_EVALUATOR);
        $this->literalFactory = $this->php->var(self::ARG_LITERAL_FACTORY);
        $this->matcherFactory = $this->php->var(self::ARG_MATCHER_FACTORY);

        $this->stmts = [];
        $this->references = [];
        unset($this->callback, $this->callbackCode, $this->capabilities);
    }

    public function onFinish(): void
    {
        $inputParam = $this
            ->php
            ->param(self::ARG_INPUT)
            ->setType(NodeValueListInterface::class)
            ->getNode();
        $valueListFetcherParam = $this
            ->php
            ->param(self::ARG_VALUE_LIST_FETCHER)
            ->setType(ValueListFetcherInterface::class)
            ->getNode();
        $evaluatorParam = $this
            ->php
            ->param(self::ARG_EVALUATOR)
            ->setType(EvaluatorInterface::class)
            ->getNode();
        $literalFactoryParam = $this
            ->php
            ->param(self::ARG_LITERAL_FACTORY)
            ->setType(LiteralFactoryInterface::class)
            ->getNode();
        $matcherFactoryParam = $this
            ->php
            ->param(self::ARG_MATCHER_FACTORY)
            ->setType(MatcherFactoryInterface::class)
            ->getNode();
        $stmts = array_map(
            function (PhpAstNode $stmt): PhpAstNode {
                return $stmt instanceof Expr ? new Expression($stmt) : $stmt;
            },
            $this->stmts
        );

        $closure = new Expr\Closure(
            [
                'stmts' => $stmts,
                'returnType' => ValueListInterface::class,
                'params' => [
                    $inputParam,
                    $valueListFetcherParam,
                    $evaluatorParam,
                    $literalFactoryParam,
                    $matcherFactoryParam
                ],
            ]
        );
        $return = new Return_($closure);

        $this->callbackCode = (new Standard())->prettyPrint([$return]);
    }

    public function onBeginProduction(QueryAstNode $node, PushInterface $stack): void
    {
        $stack->push(...array_reverse($node->getChildList()));
    }

    /**
     * @param QueryAstNode $node
     * @throws UniLexException
     */
    public function onFinishProduction(QueryAstNode $node): void
    {
        if ($this->hasReference($node)) {
            return;
        }
        switch ($node->getName()) {
            case AstNodeType::GET_INPUT:
                $this->setReference($node, $this->input);
                break;

            case AstNodeType::SET_OUTPUT:
                $this->capabilities = new Capabilities(
                    $node->getAttribute('is_definite'),
                    $node->getAttribute('is_addressable'),
                );
                $this->stmts[] = new Return_($this->getReference($node->getChild(0)));
                break;

            case AstNodeType::FETCH_CHILDREN:
                /** @see ValueListFetcherInterface::fetchChildren() */
                $this->addMethodCall(
                    $node,
                    $this->valueListFetcher,
                    'fetchChildren',
                    $this->getReference($node->getChild(0)),
                    $this->getReference($node->getChild(1)),
                );
                break;

            case AstNodeType::FETCH_CHILDREN_DEEP:
                /** @see ValueListFetcherInterface::fetchChildrenDeep() */
                $this->addMethodCall(
                    $node,
                    $this->valueListFetcher,
                    'fetchChildrenDeep',
                    $this->getReference($node->getChild(0)),
                    $this->getReference($node->getChild(1)),
                );
                break;

            case AstNodeType::MERGE:
                /** @see ValueListFetcherInterface::merge() */
                $this->addMethodCall(
                    $node,
                    $this->valueListFetcher,
                    'merge',
                    ...$this->getReferences(...$node->getChildList()),
                );
                break;

            case AstNodeType::FETCH_FILTER_CONTEXT:
                /** @see ValueListFetcherInterface::fetchFilterContext() */
                $this->addMethodCall(
                    $node,
                    $this->valueListFetcher,
                    'fetchFilterContext',
                    $this->getReference($node->getChild(0)),
                );
                break;

            case AstNodeType::SPLIT_FILTER_CONTEXT:
                /** @see ValueListFetcherInterface::splitFilterContext() */
                $this->addMethodCall(
                    $node,
                    $this->valueListFetcher,
                    'splitFilterContext',
                    $this->getReference($node->getChild(0)),
                );
                break;

            case AstNodeType::JOIN_FILTER_RESULTS:
                /** @see ValueListFetcherInterface::joinFilterResults() */
                $this->addMethodCall(
                    $node,
                    $this->valueListFetcher,
                    'joinFilterResults',
                    $this->getReference($node->getChild(0)),
                    $this->getReference($node->getChild(1)),
                );
                break;

            case AstNodeType::FILTER:
                /** @see ValueListFetcherInterface::fetchFilteredValues() */
                $this->addMethodCall(
                    $node,
                    $this->valueListFetcher,
                    'fetchFilteredValues',
                    $this->getReference($node->getChild(0)),
                    $this->getReference($node->getChild(1)),
                );
                break;

            case AstNodeType::EVALUATE:
                /** @see EvaluatorInterface::evaluate() */
                $this->addMethodCall(
                    $node,
                    $this->evaluator,
                    'evaluate',
                    $this->getReference($node->getChild(0)),
                    $this->getReference($node->getChild(1)),
                );
                break;

            case AstNodeType::EVALUATE_LOGICAL_OR:
                /** @see EvaluatorInterface::logicalOr() */
                $this->addMethodCall(
                    $node,
                    $this->evaluator,
                    'logicalOr',
                    $this->getReference($node->getChild(0)),
                    $this->getReference($node->getChild(1)),
                );
                break;

            case AstNodeType::EVALUATE_LOGICAL_AND:
                /** @see EvaluatorInterface::logicalAnd() */
                $this->addMethodCall(
                    $node,
                    $this->evaluator,
                    'logicalAnd',
                    $this->getReference($node->getChild(0)),
                    $this->getReference($node->getChild(1)),
                );
                break;

            case AstNodeType::EVALUATE_LOGICAL_NOT:
                /** @see EvaluatorInterface::logicalNot() */
                $this->addMethodCall(
                    $node,
                    $this->evaluator,
                    'logicalNot',
                    $this->getReference($node->getChild(0)),
                );
                break;

            case AstNodeType::CALCULATE_IS_EQUAL:
                /** @see EvaluatorInterface::isEqual() */
                $this->addMethodCall(
                    $node,
                    $this->evaluator,
                    'isEqual',
                    $this->getReference($node->getChild(0)),
                    $this->getReference($node->getChild(1)),
                );
                break;

            case AstNodeType::CALCULATE_IS_GREATER:
                /** @see EvaluatorInterface::isGreater() */
                $this->addMethodCall(
                    $node,
                    $this->evaluator,
                    'isGreater',
                    $this->getReference($node->getChild(0)),
                    $this->getReference($node->getChild(1)),
                );
                break;

            case AstNodeType::CALCULATE_IS_REGEXP:
                /** @see EvaluatorInterface::isRegExp() */
                $this->addMethodCall(
                    $node,
                    $this->evaluator,
                    'isRegExp',
                    $this->php->val($node->getAttribute('pattern')),
                    $this->getReference($node->getChild(0)),
                );
                break;

            case AstNodeType::MATCH_ANY_CHILD:
                /** @see MatcherFactoryInterface::matchAnyChild() */
                $this->addMethodCall(
                    $node,
                    $this->matcherFactory,
                    'matchAnyChild',
                );
                break;

            case AstNodeType::MATCH_PROPERTY_STRICTLY:
                /** @see MatcherFactoryInterface::matchPropertyStrictly() */
                $this->addMethodCall(
                    $node,
                    $this->matcherFactory,
                    'matchPropertyStrictly',
                    ...array_map(
                        [$this->php, 'val'],
                        $node->getAttribute('names')
                    ),
                );
                break;

            case AstNodeType::MATCH_ELEMENT_STRICTLY:
                /** @see MatcherFactoryInterface::matchElementStrictly() */
                $this->addMethodCall(
                    $node,
                    $this->matcherFactory,
                    'matchElementStrictly',
                    ...array_map(
                        [$this->php, 'val'],
                        $node->getAttribute('indexes')
                    ),
                );
                break;

            case AstNodeType::MATCH_ELEMENT_SLICE:
                /** @see MatcherFactoryInterface::matchElementSlice() */
                $this->addMethodCall(
                    $node,
                    $this->matcherFactory,
                    'matchElementSlice',
                    $this
                        ->php
                        ->val($node->getAttribute('hasStart') ? $node->getAttribute('start') : null),
                    $this
                        ->php
                        ->val($node->getAttribute('hasEnd') ? $node->getAttribute('end') : null),
                    $this
                        ->php
                        ->val($node->getAttribute('step')),
                );
                break;

            case AstNodeType::AGGREGATE:
                /** @see EvaluatorInterface::aggregate() */
                $this->addMethodCall(
                    $node,
                    $this->evaluator,
                    'aggregate',
                    $this->php->val($node->getAttribute('name')),
                    $this->getReference($node->getChild(0)),
                );
                break;

            case AstNodeType::CREATE_LITERAL_SCALAR:
                $attributes = $node->getAttributeList();
                $value = $attributes['value'] ?? null; // TODO: allow pass null in attribute
                /** @see LiteralFactoryInterface::createScalar() */
                $this->addMethodCall(
                    $node,
                    $this->literalFactory,
                    'createScalar',
                    $this->getReference($node->getChild(0)),
                    $this->php->val($value),
                );
                break;

            case AstNodeType::CREATE_LITERAL_ARRAY:
                /** @see LiteralFactoryInterface::createArray() */
                $this->addMethodCall(
                    $node,
                    $this->literalFactory,
                    'createArray',
                    $this->getReference($node->getChild(0)),
                    new Arg(
                        $this->getReference($node->getChild(1)),
                        false,
                        true,
                    ),
                );
                break;

            case AstNodeType::CREATE_ARRAY:
                // [ X:APPEND_TO_ARRAY ]
                $items = [];
                foreach ($node->getChildList() as $child) {
                    $items[] = $this->getReference($child);
                }
                $this->stmts[] = new Assign(
                    $this->createReference($node),
                    $this->php->val($items),
                );
                break;

            case AstNodeType::APPEND_TO_ARRAY:
                // [ 0:<value> ]
                $this->setReference(
                    $node,
                    $this->getReference($node->getChild(0)),
                );
                break;
        }
    }

    private function getVarName(QueryAstNode $node): string
    {
        return "var{$node->getId()}";
    }

    private function createReference(QueryAstNode $node): Expr
    {
        $reference = $this->php->var($this->getVarName($node));
        $this->setReference($node, $reference);

        return $reference;
    }

    private function setReference(QueryAstNode $node, Expr $expr): void
    {
        if (isset($this->references[$node->getId()])) {
            throw new Exception\ReferenceAlreadyExistsException($node->getId());
        }

        $this->references[$node->getId()] = $expr;
    }

    private function hasReference(QueryAstNode $node): bool
    {
        return isset($this->references[$node->getId()]);
    }

    private function getReference(QueryAstNode $node): Expr
    {
        if (!isset($this->references[$node->getId()])) {
            throw new Exception\ReferenceNotFoundException($node->getId());
        }

        return $this->references[$node->getId()];
    }

    /**
     * @param QueryAstNode ...$nodes
     * @return Expr[]
     */
    private function getReferences(QueryAstNode ...$nodes): array
    {
        return array_map([$this, 'getReference'], $nodes);
    }

    private function addMethodCall(QueryAstNode $node, Expr $object, string $method, PhpAstNode ...$args): void
    {
        $methodCall = $this
            ->php
            ->methodCall($object, $method, $args);
        $this->stmts[] = new Assign($this->createReference($node), $methodCall);
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Remorhaz\JSON\Path\Query;
6
7		use PhpParser\BuilderFactory;
8		use PhpParser\Node as PhpAstNode;
9		use PhpParser\Node\Arg;
10		use PhpParser\Node\Expr;
11		use PhpParser\Node\Expr\Assign;
12		use PhpParser\Node\Stmt\Expression;
13		use PhpParser\Node\Stmt\Return_;
14		use PhpParser\PrettyPrinter\Standard;
15		use Remorhaz\JSON\Path\Runtime\EvaluatorInterface;
16		use Remorhaz\JSON\Path\Runtime\LiteralFactoryInterface;
17		use Remorhaz\JSON\Path\Runtime\Matcher\MatcherFactoryInterface;
18		use Remorhaz\JSON\Path\Runtime\ValueListFetcherInterface;
19		use Remorhaz\JSON\Path\Value\NodeValueListInterface;
20		use Remorhaz\JSON\Path\Value\ValueListInterface;
21		use Remorhaz\UniLex\AST\AbstractTranslatorListener;
22		use Remorhaz\UniLex\AST\Node as QueryAstNode;
23		use Remorhaz\UniLex\Exception as UniLexException;
24		use Remorhaz\UniLex\Stack\PushInterface;
25
26		use function array_map;
27		use function array_reverse;
28		use function is_callable;
29
30		final class CallbackBuilder extends AbstractTranslatorListener implements CallbackBuilderInterface
31		{
32
33		private const ARG_INPUT = 'input';
34
35		private const ARG_VALUE_LIST_FETCHER = 'valueListFetcher';
36
37		private const ARG_EVALUATOR = 'evaluator';
38
39		private const ARG_LITERAL_FACTORY = 'literalFactory';
40
41		private const ARG_MATCHER_FACTORY = 'matcherFactory';
42
43		private $php;
44
45		private $references = [];
46
47		private $input;
48
49		private $valueListFetcher;
50
51		private $evaluator;
52
53		private $literalFactory;
54
55		private $matcherFactory;
56
57		private $stmts = [];
58
59		private $callback;
60
61		private $callbackCode;
62
63		private $capabilities;
64
65	6	public function __construct()
66		{
67	6	$this->php = new BuilderFactory();
68	6	}
69
70		public function getCallback(): callable
71		{
72		if (!isset($this->callback)) {
73		$callback = eval($this->getCallbackCode());
		0 ignored issues – show introduced 2019-08-05 15:55 UTC by Report Bug Copy Issue Report The use of eval() is discouraged. Loading history...
74		if (!is_callable($callback)) {
75		throw new Exception\InvalidCallbackCodeException($this->getCallbackCode());
76		}
77		$this->callback = $callback;
78		}
79
80		return $this->callback;
81		}
82
83	1	public function getCallbackCode(): string
84		{
85	1	if (isset($this->callbackCode)) {
86		return $this->callbackCode;
87		}
88
89	1	throw new Exception\QueryCallbackCodeNotFoundException();
90		}
91
92	3	public function getCapabilities(): CapabilitiesInterface
93		{
94	3	if (isset($this->capabilities)) {
95	2	return $this->capabilities;
96		}
97
98	1	throw new Exception\CapabilitiesNotFoundException();
99		}
100
101	3	public function onStart(QueryAstNode $node): void
102		{
103	3	$this->input = $this->php->var(self::ARG_INPUT);
104	3	$this->valueListFetcher = $this->php->var(self::ARG_VALUE_LIST_FETCHER);
105	3	$this->evaluator = $this->php->var(self::ARG_EVALUATOR);
106	3	$this->literalFactory = $this->php->var(self::ARG_LITERAL_FACTORY);
107	3	$this->matcherFactory = $this->php->var(self::ARG_MATCHER_FACTORY);
108
109	3	$this->stmts = [];
110	3	$this->references = [];
111	3	unset($this->callback, $this->callbackCode, $this->capabilities);
112	3	}
113
114		public function onFinish(): void
115		{
116		$inputParam = $this
117		->php
118		->param(self::ARG_INPUT)
119		->setType(NodeValueListInterface::class)
120		->getNode();
121		$valueListFetcherParam = $this
122		->php
123		->param(self::ARG_VALUE_LIST_FETCHER)
124		->setType(ValueListFetcherInterface::class)
125		->getNode();
126		$evaluatorParam = $this
127		->php
128		->param(self::ARG_EVALUATOR)
129		->setType(EvaluatorInterface::class)
130		->getNode();
131		$literalFactoryParam = $this
132		->php
133		->param(self::ARG_LITERAL_FACTORY)
134		->setType(LiteralFactoryInterface::class)
135		->getNode();
136		$matcherFactoryParam = $this
137		->php
138		->param(self::ARG_MATCHER_FACTORY)
139		->setType(MatcherFactoryInterface::class)
140		->getNode();
141		$stmts = array_map(
142		function (PhpAstNode $stmt): PhpAstNode {
143		return $stmt instanceof Expr ? new Expression($stmt) : $stmt;
144		},
145		$this->stmts
146		);
147
148		$closure = new Expr\Closure(
149		[
150		'stmts' => $stmts,
151		'returnType' => ValueListInterface::class,
152		'params' => [
153		$inputParam,
154		$valueListFetcherParam,
155		$evaluatorParam,
156		$literalFactoryParam,
157		$matcherFactoryParam
158		],
159		]
160		);
161		$return = new Return_($closure);
162
163		$this->callbackCode = (new Standard())->prettyPrint([$return]);
164		}
165
166	1	public function onBeginProduction(QueryAstNode $node, PushInterface $stack): void
167		{
168	1	$stack->push(...array_reverse($node->getChildList()));
169	1	}
170
171		/**
172		* @param QueryAstNode $node
173		* @throws UniLexException
174		*/
175	3	public function onFinishProduction(QueryAstNode $node): void
176		{
177	3	if ($this->hasReference($node)) {
178		return;
179		}
180	3	switch ($node->getName()) {
181	3	case AstNodeType::GET_INPUT:
182	2	$this->setReference($node, $this->input);
183	2	break;
184
185	3	case AstNodeType::SET_OUTPUT:
186	3	$this->capabilities = new Capabilities(
187	3	$node->getAttribute('is_definite'),
188	3	$node->getAttribute('is_addressable'),
189		);
190	3	$this->stmts[] = new Return_($this->getReference($node->getChild(0)));
191	2	break;
192
193		case AstNodeType::FETCH_CHILDREN:
194		/** @see ValueListFetcherInterface::fetchChildren() */
195		$this->addMethodCall(
196		$node,
197		$this->valueListFetcher,
198		'fetchChildren',
199		$this->getReference($node->getChild(0)),
200		$this->getReference($node->getChild(1)),
201		);
202		break;
203
204		case AstNodeType::FETCH_CHILDREN_DEEP:
205		/** @see ValueListFetcherInterface::fetchChildrenDeep() */
206		$this->addMethodCall(
207		$node,
208		$this->valueListFetcher,
209		'fetchChildrenDeep',
210		$this->getReference($node->getChild(0)),
211		$this->getReference($node->getChild(1)),
212		);
213		break;
214
215		case AstNodeType::MERGE:
216		/** @see ValueListFetcherInterface::merge() */
217		$this->addMethodCall(
218		$node,
219		$this->valueListFetcher,
220		'merge',
221		...$this->getReferences(...$node->getChildList()),
222		);
223		break;
224
225		case AstNodeType::FETCH_FILTER_CONTEXT:
226		/** @see ValueListFetcherInterface::fetchFilterContext() */
227		$this->addMethodCall(
228		$node,
229		$this->valueListFetcher,
230		'fetchFilterContext',
231		$this->getReference($node->getChild(0)),
232		);
233		break;
234
235		case AstNodeType::SPLIT_FILTER_CONTEXT:
236		/** @see ValueListFetcherInterface::splitFilterContext() */
237		$this->addMethodCall(
238		$node,
239		$this->valueListFetcher,
240		'splitFilterContext',
241		$this->getReference($node->getChild(0)),
242		);
243		break;
244
245		case AstNodeType::JOIN_FILTER_RESULTS:
246		/** @see ValueListFetcherInterface::joinFilterResults() */
247		$this->addMethodCall(
248		$node,
249		$this->valueListFetcher,
250		'joinFilterResults',
251		$this->getReference($node->getChild(0)),
252		$this->getReference($node->getChild(1)),
253		);
254		break;
255
256		case AstNodeType::FILTER:
257		/** @see ValueListFetcherInterface::fetchFilteredValues() */
258		$this->addMethodCall(
259		$node,
260		$this->valueListFetcher,
261		'fetchFilteredValues',
262		$this->getReference($node->getChild(0)),
263		$this->getReference($node->getChild(1)),
264		);
265		break;
266
267		case AstNodeType::EVALUATE:
268		/** @see EvaluatorInterface::evaluate() */
269		$this->addMethodCall(
270		$node,
271		$this->evaluator,
272		'evaluate',
273		$this->getReference($node->getChild(0)),
274		$this->getReference($node->getChild(1)),
275		);
276		break;
277
278		case AstNodeType::EVALUATE_LOGICAL_OR:
279		/** @see EvaluatorInterface::logicalOr() */
280		$this->addMethodCall(
281		$node,
282		$this->evaluator,
283		'logicalOr',
284		$this->getReference($node->getChild(0)),
285		$this->getReference($node->getChild(1)),
286		);
287		break;
288
289		case AstNodeType::EVALUATE_LOGICAL_AND:
290		/** @see EvaluatorInterface::logicalAnd() */
291		$this->addMethodCall(
292		$node,
293		$this->evaluator,
294		'logicalAnd',
295		$this->getReference($node->getChild(0)),
296		$this->getReference($node->getChild(1)),
297		);
298		break;
299
300		case AstNodeType::EVALUATE_LOGICAL_NOT:
301		/** @see EvaluatorInterface::logicalNot() */
302		$this->addMethodCall(
303		$node,
304		$this->evaluator,
305		'logicalNot',
306		$this->getReference($node->getChild(0)),
307		);
308		break;
309
310		case AstNodeType::CALCULATE_IS_EQUAL:
311		/** @see EvaluatorInterface::isEqual() */
312		$this->addMethodCall(
313		$node,
314		$this->evaluator,
315		'isEqual',
316		$this->getReference($node->getChild(0)),
317		$this->getReference($node->getChild(1)),
318		);
319		break;
320
321		case AstNodeType::CALCULATE_IS_GREATER:
322		/** @see EvaluatorInterface::isGreater() */
323		$this->addMethodCall(
324		$node,
325		$this->evaluator,
326		'isGreater',
327		$this->getReference($node->getChild(0)),
328		$this->getReference($node->getChild(1)),
329		);
330		break;
331
332		case AstNodeType::CALCULATE_IS_REGEXP:
333		/** @see EvaluatorInterface::isRegExp() */
334		$this->addMethodCall(
335		$node,
336		$this->evaluator,
337		'isRegExp',
338		$this->php->val($node->getAttribute('pattern')),
339		$this->getReference($node->getChild(0)),
340		);
341		break;
342
343		case AstNodeType::MATCH_ANY_CHILD:
344		/** @see MatcherFactoryInterface::matchAnyChild() */
345		$this->addMethodCall(
346		$node,
347		$this->matcherFactory,
348		'matchAnyChild',
349		);
350		break;
351
352		case AstNodeType::MATCH_PROPERTY_STRICTLY:
353		/** @see MatcherFactoryInterface::matchPropertyStrictly() */
354		$this->addMethodCall(
355		$node,
356		$this->matcherFactory,
357		'matchPropertyStrictly',
358		...array_map(
359		[$this->php, 'val'],
360		$node->getAttribute('names')
361		),
362		);
363		break;
364
365		case AstNodeType::MATCH_ELEMENT_STRICTLY:
366		/** @see MatcherFactoryInterface::matchElementStrictly() */
367		$this->addMethodCall(
368		$node,
369		$this->matcherFactory,
370		'matchElementStrictly',
371		...array_map(
372		[$this->php, 'val'],
373		$node->getAttribute('indexes')
374		),
375		);
376		break;
377
378		case AstNodeType::MATCH_ELEMENT_SLICE:
379		/** @see MatcherFactoryInterface::matchElementSlice() */
380		$this->addMethodCall(
381		$node,
382		$this->matcherFactory,
383		'matchElementSlice',
384		$this
385		->php
386		->val($node->getAttribute('hasStart') ? $node->getAttribute('start') : null),
387		$this
388		->php
389		->val($node->getAttribute('hasEnd') ? $node->getAttribute('end') : null),
390		$this
391		->php
392		->val($node->getAttribute('step')),
393		);
394		break;
395
396		case AstNodeType::AGGREGATE:
397		/** @see EvaluatorInterface::aggregate() */
398		$this->addMethodCall(
399		$node,
400		$this->evaluator,
401		'aggregate',
402		$this->php->val($node->getAttribute('name')),
403		$this->getReference($node->getChild(0)),
404		);
405		break;
406
407		case AstNodeType::CREATE_LITERAL_SCALAR:
408		$attributes = $node->getAttributeList();
409		$value = $attributes['value'] ?? null; // TODO: allow pass null in attribute
410		/** @see LiteralFactoryInterface::createScalar() */
411		$this->addMethodCall(
412		$node,
413		$this->literalFactory,
414		'createScalar',
415		$this->getReference($node->getChild(0)),
416		$this->php->val($value),
417		);
418		break;
419
420		case AstNodeType::CREATE_LITERAL_ARRAY:
421		/** @see LiteralFactoryInterface::createArray() */
422		$this->addMethodCall(
423		$node,
424		$this->literalFactory,
425		'createArray',
426		$this->getReference($node->getChild(0)),
427		new Arg(
428		$this->getReference($node->getChild(1)),
429		false,
430		true,
431		),
432		);
433		break;
434
435		case AstNodeType::CREATE_ARRAY:
436		// [ X:APPEND_TO_ARRAY ]
437		$items = [];
438		foreach ($node->getChildList() as $child) {
439		$items[] = $this->getReference($child);
440		}
441		$this->stmts[] = new Assign(
442		$this->createReference($node),
443		$this->php->val($items),
444		);
445		break;
446
447		case AstNodeType::APPEND_TO_ARRAY:
448		// [ 0:<value> ]
449		$this->setReference(
450		$node,
451		$this->getReference($node->getChild(0)),
452		);
453		break;
454		}
455	2	}
456
457		private function getVarName(QueryAstNode $node): string
458		{
459		return "var{$node->getId()}";
460		}
461
462		private function createReference(QueryAstNode $node): Expr
463		{
464		$reference = $this->php->var($this->getVarName($node));
465		$this->setReference($node, $reference);
466
467		return $reference;
468		}
469
470	2	private function setReference(QueryAstNode $node, Expr $expr): void
471		{
472	2	if (isset($this->references[$node->getId()])) {
473		throw new Exception\ReferenceAlreadyExistsException($node->getId());
474		}
475
476	2	$this->references[$node->getId()] = $expr;
477	2	}
478
479	3	private function hasReference(QueryAstNode $node): bool
480		{
481	3	return isset($this->references[$node->getId()]);
482		}
483
484	3	private function getReference(QueryAstNode $node): Expr
485		{
486	3	if (!isset($this->references[$node->getId()])) {
487	1	throw new Exception\ReferenceNotFoundException($node->getId());
488		}
489
490	2	return $this->references[$node->getId()];
491		}
492
493		/**
494		* @param QueryAstNode ...$nodes
495		* @return Expr[]
496		*/
497		private function getReferences(QueryAstNode ...$nodes): array
498		{
499		return array_map([$this, 'getReference'], $nodes);
500		}
501
502		private function addMethodCall(QueryAstNode $node, Expr $object, string $method, PhpAstNode ...$args): void
503		{
504		$methodCall = $this
505		->php
506		->methodCall($object, $method, $args);
507		$this->stmts[] = new Assign($this->createReference($node), $methodCall);
508		}
509		}
510

remorhaz / php-json-path

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CallbackBuilder::onFinishProduction() F

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