Dumper::buildObjectsCache() - Code Metrics - yiisoft/yii-debug - Measure and Improve Code Quality continuously with Scrutinizer

Dumper::buildObjectsCache() B
last analyzed 2024-07-07 07:26 UTC

↳ Parent: Dumper

Complexity

Conditions	9
Paths	11

Size

Total Lines	24
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	9.0468

Importance

Changes

Metric	Value
cc	9
eloc	16
nc	11
nop	3
dl	0
loc	24
ccs	11
cts	12
cp	0.9167
crap	9.0468
rs	8.0555
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Yiisoft\Yii\Debug;

use __PHP_Incomplete_Class;
use Closure;
use ReflectionException;
use Yiisoft\VarDumper\ClosureExporter;

final class Dumper
{
    private array $objects = [];

    private static ?ClosureExporter $closureExporter = null;
    private array $excludedClasses;

    private function __construct(
        private readonly mixed $variable,
        array $excludedClasses
    ) {
        $this->excludedClasses = array_flip($excludedClasses);
    }

    /**
     * @return self An instance containing variable to dump.
     */
    public static function create(mixed $variable, array $excludedClasses = []): self
    {
        return new self($variable, $excludedClasses);
    }

    /**
     * Export variable as JSON.
     *
     * @param int $depth Maximum depth that the dumper should go into the variable.
     * @param bool $format Whatever to format exported code.
     *
     * @return string JSON string.
     */
    public function asJson(int $depth = 50, bool $format = false): string
    {
        $this->buildObjectsCache($this->variable, $depth);
        return $this->asJsonInternal($this->variable, $format, $depth, 0, false);
    }

    /**
     * Export variable as JSON summary of topmost items.
     *
     * @param int $depth Maximum depth that the dumper should go into the variable.
     * @param bool $prettyPrint Whatever to format exported code.
     *
     * @return string JSON string containing summary.
     */
    public function asJsonObjectsMap(int $depth = 50, bool $prettyPrint = false): string
    {
        $this->buildObjectsCache($this->variable, $depth);
        return $this->asJsonInternal($this->objects, $prettyPrint, $depth, 1, true);
    }

    private function buildObjectsCache(mixed $variable, int $depth, int $level = 0): void
    {
        if ($depth <= $level) {
            return;
        }
        if (is_object($variable)) {
            if (array_key_exists($variable::class, $this->excludedClasses) ||

                array_key_exists($objectDescription = $this->getObjectDescription($variable), $this->objects)
            ) {
                return;
            }
            $this->objects[$objectDescription] = $variable;
            if ($depth <= $level + 1) {
                return;
            }
            $variable = $this->getObjectProperties($variable);
        }
        if (is_array($variable)) {
            $nextLevel = $level + 1;
            if ($depth <= $nextLevel) {
                return;
            }
            foreach ($variable as $value) {
                $this->buildObjectsCache($value, $depth, $nextLevel);
            }
        }
    }

    private function asJsonInternal(
        mixed $variable,
        bool $format,
        int $depth,
        int $objectCollapseLevel,
        bool $inlineObject,
    ): string {
        $options = JSON_THROW_ON_ERROR | JSON_UNESCAPED_UNICODE | JSON_INVALID_UTF8_SUBSTITUTE;

        if ($format) {
            $options |= JSON_PRETTY_PRINT;
        }

        return json_encode(
            $this->dumpNestedInternal($variable, $depth, 0, $objectCollapseLevel, $inlineObject),
            $options,
        );
    }

    private function getObjectProperties(object $var): array
    {
        if (__PHP_Incomplete_Class::class !== $var::class && method_exists($var, '__debugInfo')) {
            $var = $var->__debugInfo();
        }

        return (array) $var;
    }

    private function dumpNestedInternal(
        mixed $variable,
        int $depth,
        int $level,
        int $objectCollapseLevel,
        bool $inlineObject
    ): mixed {
        switch (gettype($variable)) {
            case 'array':
                if ($depth <= $level) {
                    $valuesCount = count($variable);
                    if ($valuesCount === 0) {
                        return [];
                    }
                    return sprintf('array (%d %s) [...]', $valuesCount, $valuesCount === 1 ? 'item' : 'items');
                }

                $output = [];
                foreach ($variable as $key => $value) {
                    $keyDisplay = str_replace("\0", '::', trim((string) $key));
                    $output[$keyDisplay] = $this->dumpNestedInternal(
                        $value,
                        $depth,
                        $level + 1,
                        $objectCollapseLevel,
                        $inlineObject
                    );
                }

                break;
            case 'object':
                $objectDescription = $this->getObjectDescription($variable);
                if ($depth <= $level || array_key_exists($variable::class, $this->excludedClasses)) {
                    $output = $objectDescription . ' (...)';
                    break;
                }

                if ($variable instanceof Closure) {
                    $output = $inlineObject
                        ? $this->exportClosure($variable)
                        : [$objectDescription => $this->exportClosure($variable)];
                    break;
                }

                if ($objectCollapseLevel < $level && array_key_exists($objectDescription, $this->objects)) {
                    $output = 'object@' . $objectDescription;
                    break;
                }

                $properties = $this->getObjectProperties($variable);
                if (empty($properties)) {
                    if ($inlineObject) {
                        $output = '{stateless object}';
                        break;
                    }
                    $output = [$objectDescription => '{stateless object}'];
                    break;
                }
                $output = [];
                foreach ($properties as $key => $value) {
                    $keyDisplay = $this->normalizeProperty((string) $key);
                    /**
                     * @psalm-suppress InvalidArrayOffset
                     */
                    $output[$objectDescription][$keyDisplay] = $this->dumpNestedInternal(
                        $value,
                        $depth,
                        $level + 1,
                        $objectCollapseLevel,
                        $inlineObject,
                    );
                }
                if ($inlineObject) {
                    $output = $output[$objectDescription];
                }
                break;
            case 'resource':
            case 'resource (closed)':
                $output = $this->getResourceDescription($variable);
                break;
            default:
                $output = $variable;
        }

        return $output;
    }

    private function getObjectDescription(object $object): string
    {
        if (str_contains($object::class, '@anonymous')) {
            return 'class@anonymous#' . spl_object_id($object);
        }
        return $object::class . '#' . spl_object_id($object);
    }

    private function normalizeProperty(string $property): string
    {
        $property = str_replace("\0", '::', trim($property));

        if (str_starts_with($property, '*::')) {
            return 'protected $' . substr($property, 3);
        }

        if (($pos = strpos($property, '::')) !== false) {
            return 'private $' . substr($property, $pos + 2);
        }

        return 'public $' . $property;
    }

    private function getResourceDescription(mixed $resource): array|string
    {
        if (!is_resource($resource)) {
            return '{closed resource}';
        }

        $type = get_resource_type($resource);
        if ($type === 'stream') {
            return stream_get_meta_data($resource);
        }
        if (!empty($type)) {
            return sprintf('{%s resource}', $type);
        }

        return '{resource}';
    }

    /**
     * Exports a {@see Closure} instance.
     *
     * @param Closure $closure Closure instance.
     *
     * @throws ReflectionException
     */
    private function exportClosure(Closure $closure): string
    {
        return (self::$closureExporter ??= new ClosureExporter())->export($closure);
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Yii\Debug;
6
7		use __PHP_Incomplete_Class;
8		use Closure;
9		use ReflectionException;
10		use Yiisoft\VarDumper\ClosureExporter;
11
12		final class Dumper
13		{
14		private array $objects = [];
15
16		private static ?ClosureExporter $closureExporter = null;
17		private array $excludedClasses;
18
19		private function __construct(
20		private readonly mixed $variable,
21		array $excludedClasses
22		) {
23		$this->excludedClasses = array_flip($excludedClasses);
24		}
25
26		/**
27		* @return self An instance containing variable to dump.
28	57	*/
29		public static function create(mixed $variable, array $excludedClasses = []): self
30	57	{
31	57	return new self($variable, $excludedClasses);
32		}
33
34		/**
35		* Export variable as JSON.
36		*
37		* @param int $depth Maximum depth that the dumper should go into the variable.
38		* @param bool $format Whatever to format exported code.
39		*
40	57	* @return string JSON string.
41		*/
42		public function asJson(int $depth = 50, bool $format = false): string
43	57	{
44		$this->buildObjectsCache($this->variable, $depth);
45		return $this->asJsonInternal($this->variable, $format, $depth, 0, false);
46		}
47
48		/**
49		* Export variable as JSON summary of topmost items.
50		*
51		* @param int $depth Maximum depth that the dumper should go into the variable.
52		* @param bool $prettyPrint Whatever to format exported code.
53		*
54	55	* @return string JSON string containing summary.
55		*/
56	55	public function asJsonObjectsMap(int $depth = 50, bool $prettyPrint = false): string
57		{
58		$this->buildObjectsCache($this->variable, $depth);
59		return $this->asJsonInternal($this->objects, $prettyPrint, $depth, 1, true);
60		}
61
62		private function buildObjectsCache(mixed $variable, int $depth, int $level = 0): void
63		{
64		if ($depth <= $level) {
65		return;
66		}
67	34	if (is_object($variable)) {
68		if (array_key_exists($variable::class, $this->excludedClasses) \|\|
		0 ignored issues – show Coding Style introduced 2022-10-31 06:19 UTC by Report Bug Copy Issue Report The first expression of a multi-line control structure must be on the line after the opening parenthesis Loading history...
69	34	array_key_exists($objectDescription = $this->getObjectDescription($variable), $this->objects)
70		) {
71	34	return;
72		}
73		$this->objects[$objectDescription] = $variable;
74	57	if ($depth <= $level + 1) {
75		return;
76	57	}
77		$variable = $this->getObjectProperties($variable);
78		}
79	57	if (is_array($variable)) {
80	17	$nextLevel = $level + 1;
81	17	if ($depth <= $nextLevel) {
82	16	return;
83		}
84	17	foreach ($variable as $value) {
85	17	$this->buildObjectsCache($value, $depth, $nextLevel);
86		}
87	57	}
88	48	}
89	46
90		private function asJsonInternal(
91		mixed $variable,
92		bool $format,
93		int $depth,
94	57	int $objectCollapseLevel,
95		bool $inlineObject,
96	57	): string {
97		$options = JSON_THROW_ON_ERROR \| JSON_UNESCAPED_UNICODE \| JSON_INVALID_UTF8_SUBSTITUTE;
98	57
99		if ($format) {
100		$options \|= JSON_PRETTY_PRINT;
101		}
102	57
103		return json_encode(
104		$this->dumpNestedInternal($variable, $depth, 0, $objectCollapseLevel, $inlineObject),
105	57	$options,
106		);
107	57	}
108	57
109		private function getObjectProperties(object $var): array
110		{
111	17	if (__PHP_Incomplete_Class::class !== $var::class && method_exists($var, '__debugInfo')) {
112		$var = $var->__debugInfo();
113	17	}
114
115		return (array) $var;
116		}
117	17
118		private function dumpNestedInternal(
119		mixed $variable,
120	57	int $depth,
121		int $level,
122	57	int $objectCollapseLevel,
123		bool $inlineObject
124	57	): mixed {
125	57	switch (gettype($variable)) {
126	38	case 'array':
127		if ($depth <= $level) {
128		$valuesCount = count($variable);
129		if ($valuesCount === 0) {
130	38	return [];
131	38	}
132	37	return sprintf('array (%d %s) [...]', $valuesCount, $valuesCount === 1 ? 'item' : 'items');
133	37	}
134
135		$output = [];
136	38	foreach ($variable as $key => $value) {
137	56	$keyDisplay = str_replace("\0", '::', trim((string) $key));
138	17	$output[$keyDisplay] = $this->dumpNestedInternal(
139	17	$value,
140		$depth,
141		$level + 1,
142		$objectCollapseLevel,
143		$inlineObject
144	17	);
145	10	}
146	10
147		break;
148		case 'object':
149	8	$objectDescription = $this->getObjectDescription($variable);
150	5	if ($depth <= $level \|\| array_key_exists($variable::class, $this->excludedClasses)) {
151	5	$output = $objectDescription . ' (...)';
152		break;
153		}
154	8
155	8	if ($variable instanceof Closure) {
156	8	$output = $inlineObject
157	5	? $this->exportClosure($variable)
158	5	: [$objectDescription => $this->exportClosure($variable)];
159		break;
160	3	}
161	3
162		if ($objectCollapseLevel < $level && array_key_exists($objectDescription, $this->objects)) {
163		$output = 'object@' . $objectDescription;
164		break;
165	3	}
166
167		$properties = $this->getObjectProperties($variable);
168		if (empty($properties)) {
169		if ($inlineObject) {
170		$output = '{stateless object}';
171		break;
172		}
173	3	$output = [$objectDescription => '{stateless object}'];
174	45	break;
175	44	}
176	1	$output = [];
177	1	foreach ($properties as $key => $value) {
178		$keyDisplay = $this->normalizeProperty((string) $key);
179		/**
180	57	* @psalm-suppress InvalidArrayOffset
181		*/
182		$output[$objectDescription][$keyDisplay] = $this->dumpNestedInternal(
183	17	$value,
184		$depth,
185		$level + 1,
186	17	$objectCollapseLevel,
187		$inlineObject,
188		);
189	3	}
190		if ($inlineObject) {
191	3	$output = $output[$objectDescription];
192		}
193	3	break;
194		case 'resource':
195		case 'resource (closed)':
196		$output = $this->getResourceDescription($variable);
197	3	break;
198		default:
199		$output = $variable;
200		}
201	3
202		return $output;
203		}
204	1
205		private function getObjectDescription(object $object): string
206	1	{
207	1	if (str_contains($object::class, '@anonymous')) {
208	1	return 'class@anonymous#' . spl_object_id($object);
209		}
210		return $object::class . '#' . spl_object_id($object);
211		}
212
213	1	private function normalizeProperty(string $property): string
214		{
215		$property = str_replace("\0", '::', trim($property));
216
217		if (str_starts_with($property, '*::')) {
218		return 'protected $' . substr($property, 3);
219		}
220
221		if (($pos = strpos($property, '::')) !== false) {
222		return 'private $' . substr($property, $pos + 2);
223		}
224
225	10	return 'public $' . $property;
226		}
227	10
228	1	private function getResourceDescription(mixed $resource): array\|string
229		{
230		if (!is_resource($resource)) {
231	10	return '{closed resource}';
232		}
233
234		$type = get_resource_type($resource);
235		if ($type === 'stream') {
236		return stream_get_meta_data($resource);
237		}
238		if (!empty($type)) {
239		return sprintf('{%s resource}', $type);
240		}
241
242		return '{resource}';
243		}
244
245		/**
246		* Exports a {@see Closure} instance.
247		*
248		* @param Closure $closure Closure instance.
249		*
250		* @throws ReflectionException
251		*/
252		private function exportClosure(Closure $closure): string
253		{
254		return (self::$closureExporter ??= new ClosureExporter())->export($closure);
255		}
256		}
257

yiisoft / yii-debug

Dumper::buildObjectsCache() B last analyzed 2024-07-07 07:26 UTC

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Dumper::buildObjectsCache() B
last analyzed 2024-07-07 07:26 UTC