BlackMagicEntityCodeGenerator::processMapping() - Code Metrics - Inspection of "fix 2" - addiks/symfony_rdm - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( c067d3...1dee6e )

by Gerrit

created 2024-11-12 10:54 UTC

BlackMagicEntityCodeGenerator::processMapping() C

↳ Parent: BlackMagicEntityCodeGenerator

Complexity

Conditions	13
Paths	50

Size

Total Lines	108
Code Lines	54

Duplication

Lines	0
Ratio	0 %

Importance

Changes	4
Bugs	4	Features	1

Metric	Value
cc	13
eloc	54
c	4
b	4
f	1
nc	50
nop	2
dl	0
loc	108
rs	6.6166

How to fix Long Method Complexity

<?php
/**
 * Copyright (C) 2019 Gerrit Addiks.
 * This package (including this file) was released under the terms of the GPL-3.0.
 * You should have received a copy of the GNU General Public License along with this program.
 * If not, see <http://www.gnu.org/licenses/> or send me a mail so i can send you a copy.
 *
 * @license GPL-3.0
 *
 * @author Gerrit Addiks <[email protected]>
 */

namespace Addiks\RDMBundle\DataLoader\BlackMagic;

use Addiks\RDMBundle\Mapping\EntityMappingInterface;
use Composer\Autoload\ClassLoader;
use Webmozart\Assert\Assert;
use Addiks\RDMBundle\Mapping\MappingInterface;
use ErrorException;
use Doctrine\DBAL\Schema\Column;
use Addiks\RDMBundle\DataLoader\BlackMagic\BlackMagicDataLoader;

final class BlackMagicEntityCodeGenerator
{

    public function __construct(
        public readonly string $targetDirectory,
        private BlackMagicDataLoader $dataLoader,
        public readonly string $indenting = "    "
    ) {
    }
    
    public function processMapping(
        EntityMappingInterface $mapping,
        ClassLoader $loader
    ): string|null {
        /** @var array<array-key, Column> $columns */
        $columns = $mapping->collectDBALColumns();
        
        if (empty($columns)) {
            return null;
        }
        
        /** @var string $fullClassName */
        $fullClassName = $mapping->getEntityClassName();
        
        /** @var string|false $filePath */
        $filePath = $loader->findFile($fullClassName);
        
        if ($filePath === false) {
            return null;
        }

        /** @var array<string, bool> $walkedFiles */
        $walkedFiles = [$filePath => true];
        
        /** @var string $safeFilePath */
        $safeFilePath = $filePath;

        do {
            if (!file_exists($filePath)) {
                $filePath = $safeFilePath;
                break;
            }
            
            /** @var string $entityPHP */
            $entityPHP = file_get_contents($filePath);

            if (1 === preg_match("#\/\*\* \@addiks-original-file ([^\*]*) \*\/#is", $entityPHP, $matches)) {
                $safeFilePath = $filePath;
                $filePath = trim($matches[1]);

                if (!file_exists($filePath)) {
                    /** @var string $relativePath */
                    $relativePath = dirname($safeFilePath) . '/' . $filePath;

                    if (file_exists($relativePath)) {
                        $filePath = realpath($relativePath);
                    }
                }

                if (isset($walkedFiles[$filePath])) {
                    break; # Circular reference detected
                }
                $walkedFiles[$filePath] = true;
                continue;
            }
            break;
        } while (true);
        
        /** @var int $classStartPosition */
        $classStartPosition = self::findClassStartPosition($fullClassName, $entityPHP);

        
        /** @var array<string, Column> $writtenFieldNames */
        $writtenFieldNames = array();
        
        foreach ($columns as $column) {
            
            /** @var string $fieldName */
            $fieldName = $this->dataLoader->columnToFieldName($column);
            
            /** @var string $fieldPHP */
            $fieldPHP = sprintf(
                "\n%spublic $%s;\n",
                $this->indenting,
                $fieldName
            );
            
            if (isset($writtenFieldNames[$fieldName]) || str_contains($entityPHP, $fieldPHP)) {
                continue;
            }

            $writtenFieldNames[$fieldName] = $column;

            $entityPHP = sprintf(
                '%s%s%s',
                substr($entityPHP, 0, $classStartPosition),
                $fieldPHP,
                substr($entityPHP, $classStartPosition)
            );
        }
        
        $targetFilePath = sprintf(
            '%s/%s.php',
            $this->targetDirectory,
            str_replace('\\', '_', $fullClassName)
        );
        
        $entityPHP .= sprintf(
            "\n\n/** @addiks-original-file %s */\n",
            self::relativePathFromTo($targetFilePath, realpath($filePath))
        );

        if (!is_dir($this->targetDirectory)) {
            mkdir($this->targetDirectory, 0777, true);
        }
        
        file_put_contents($targetFilePath, $entityPHP);
        
        return $targetFilePath;
    }
    
    private static function relativePathFromTo(string $originPath, string $targetPath): string
    {
        /** @var array<int, string> $originPathSteps */
        $originPathSteps = explode('/', $originPath);

        /** @var mixed $targetPathSteps */
        $targetPathSteps = explode('/', $targetPath);

        while ($originPathSteps[0] === $targetPathSteps[0]) {
            array_shift($originPathSteps);
            array_shift($targetPathSteps);
        }

        $relativePathSteps = array_merge(
            array_pad([], count($originPathSteps) - 1, '..'),
            $targetPathSteps
        );

        return implode('/', $relativePathSteps);
    }

    private static function findClassStartPosition(
        string $fullClassName, 
        string $entityPHP
    ): int {
        
        /** @var int|null|false $classStartPosition */
        $classStartPosition = null;

        
        /** @var int $position */
        $position = 0;
        
        /** @var array<int, string> $namespacePath */
        $namespacePath = explode("\\", $fullClassName);
        
        /** @var string $className */
        $className = array_pop($namespacePath);
        
        /** @var string $pattern */
        $pattern = sprintf(
            '/^(interface|trait|class)\s+%s\W*/is',
            $className
        );
        
        /** @var int $codeLength */
        $codeLength = strlen($entityPHP);
        
        do {
            if (preg_match($pattern, substr($entityPHP, $position, 128))) {
                $classStartPosition = strpos($entityPHP, '{', $position);
                
                if (is_int($classStartPosition)) {
                    return $classStartPosition + 1;

                } else {
                    $classStartPosition = null;
                }
            }
            
            self::skipIrrelevantCode($entityPHP, $position);
            
            $position++;
        } while ($position < $codeLength);
        
        throw new ErrorException(sprintf(
            'Could not find start position of class "%s" if file "%s"!',
            $fullClassName,
            $entityPHP
        ));
    }
    
    private static function skipIrrelevantCode(string $phpCode, int &$position): void
    {
        /** @var int $codeLength */
        $codeLength = strlen($phpCode);
        
        if (substr($phpCode, $position, 2) === '/*') {
            do {
                $position++;
            } while (substr($phpCode, $position, 2) !== '*/' && $position < $codeLength);
            
        } elseif (substr($phpCode, $position, 2) === '//') {
            do {
                $position++;
            } while ($phpCode[$position] !== "\n" && $position < $codeLength);
            
        } elseif (substr($phpCode, $position, 3) === '<<<') {
            $position += 3;
            $eofFlag = "";
            do {
                $eofFlag .= $phpCode[$position];
                $position++;
            } while ($phpCode[$position] !== "\n");
            
            do {
                $position++;
                $charsAtPosition = substr($phpCode, $position, strlen($eofFlag) + 1);
            } while ($charsAtPosition !== $eofFlag . ';' && $position < $codeLength);
            
        } elseif ($phpCode[$position] === '"') {
            do {
                $position++;
            } while ($phpCode[$position] !== '"' && $phpCode[$position - 1] !== '\\' && $position < $codeLength);

        } elseif ($phpCode[$position] === "'") {
            do {
                $position++;
            } while ($phpCode[$position] !== "'" && $phpCode[$position - 1] !== '\\' && $position < $codeLength);
        }
    }
    
}


1			<?php
2			/**
3			* Copyright (C) 2019 Gerrit Addiks.
4			* This package (including this file) was released under the terms of the GPL-3.0.
5			* You should have received a copy of the GNU General Public License along with this program.
6			* If not, see <http://www.gnu.org/licenses/> or send me a mail so i can send you a copy.
7			*
8			* @license GPL-3.0
9			*
10			* @author Gerrit Addiks <[email protected]>
11			*/
12
13			namespace Addiks\RDMBundle\DataLoader\BlackMagic;
14
15			use Addiks\RDMBundle\Mapping\EntityMappingInterface;
16			use Composer\Autoload\ClassLoader;
17			use Webmozart\Assert\Assert;
18			use Addiks\RDMBundle\Mapping\MappingInterface;
19			use ErrorException;
20			use Doctrine\DBAL\Schema\Column;
21			use Addiks\RDMBundle\DataLoader\BlackMagic\BlackMagicDataLoader;
22
23			final class BlackMagicEntityCodeGenerator
24			{
25
26			public function __construct(
27			public readonly string $targetDirectory,
28			private BlackMagicDataLoader $dataLoader,
29			public readonly string $indenting = " "
30			) {
31			}
32
33			public function processMapping(
34			EntityMappingInterface $mapping,
35			ClassLoader $loader
36			): string\|null {
37			/** @var array<array-key, Column> $columns */
38			$columns = $mapping->collectDBALColumns();
39
40			if (empty($columns)) {
41			return null;
42			}
43
44			/** @var string $fullClassName */
45			$fullClassName = $mapping->getEntityClassName();
46
47			/** @var string\|false $filePath */
48			$filePath = $loader->findFile($fullClassName);
49
50			if ($filePath === false) {
51			return null;
52			}
53
54			/** @var array<string, bool> $walkedFiles */
55			$walkedFiles = [$filePath => true];
56
57			/** @var string $safeFilePath */
58			$safeFilePath = $filePath;
59
60			do {
61			if (!file_exists($filePath)) {
62			$filePath = $safeFilePath;
63			break;
64			}
65
66			/** @var string $entityPHP */
67			$entityPHP = file_get_contents($filePath);
68
69			if (1 === preg_match("#\/\\ \@addiks-original-file ([^\]) \*\/#is", $entityPHP, $matches)) {
70			$safeFilePath = $filePath;
71			$filePath = trim($matches[1]);
72
73			if (!file_exists($filePath)) {
74			/** @var string $relativePath */
75			$relativePath = dirname($safeFilePath) . '/' . $filePath;
76
77			if (file_exists($relativePath)) {
78			$filePath = realpath($relativePath);
79			}
80			}
81
82			if (isset($walkedFiles[$filePath])) {
83			break; # Circular reference detected
84			}
85			$walkedFiles[$filePath] = true;
86			continue;
87			}
88			break;
89			} while (true);
90
91			/** @var int $classStartPosition */
92			$classStartPosition = self::findClassStartPosition($fullClassName, $entityPHP);
			0 ignored issues – show Comprehensibility Best Practice introduced 2024-04-17 20:46 UTC by Report Bug Copy Issue Report The variable `$entityPHP` does not seem to be defined for all execution paths leading up to this point. Loading history...
93
94			/** @var array<string, Column> $writtenFieldNames */
95			$writtenFieldNames = array();
96
97			foreach ($columns as $column) {
98
99			/** @var string $fieldName */
100			$fieldName = $this->dataLoader->columnToFieldName($column);
101
102			/** @var string $fieldPHP */
103			$fieldPHP = sprintf(
104			"\n%spublic $%s;\n",
105			$this->indenting,
106			$fieldName
107			);
108
109			if (isset($writtenFieldNames[$fieldName]) \|\| str_contains($entityPHP, $fieldPHP)) {
110			continue;
111			}
112
113			$writtenFieldNames[$fieldName] = $column;
114
115			$entityPHP = sprintf(
116			'%s%s%s',
117			substr($entityPHP, 0, $classStartPosition),
118			$fieldPHP,
119			substr($entityPHP, $classStartPosition)
120			);
121			}
122
123			$targetFilePath = sprintf(
124			'%s/%s.php',
125			$this->targetDirectory,
126			str_replace('\\', '_', $fullClassName)
127			);
128
129			$entityPHP .= sprintf(
130			"\n\n/** @addiks-original-file %s */\n",
131			self::relativePathFromTo($targetFilePath, realpath($filePath))
132			);
133
134			if (!is_dir($this->targetDirectory)) {
135			mkdir($this->targetDirectory, 0777, true);
136			}
137
138			file_put_contents($targetFilePath, $entityPHP);
139
140			return $targetFilePath;
141			}
142
143			private static function relativePathFromTo(string $originPath, string $targetPath): string
144			{
145			/** @var array<int, string> $originPathSteps */
146			$originPathSteps = explode('/', $originPath);
147
148			/** @var mixed $targetPathSteps */
149			$targetPathSteps = explode('/', $targetPath);
150
151			while ($originPathSteps[0] === $targetPathSteps[0]) {
152			array_shift($originPathSteps);
153			array_shift($targetPathSteps);
154			}
155
156			$relativePathSteps = array_merge(
157			array_pad([], count($originPathSteps) - 1, '..'),
158			$targetPathSteps
159			);
160
161			return implode('/', $relativePathSteps);
162			}
163
164			private static function findClassStartPosition(
165			string $fullClassName,
166			string $entityPHP
167			): int {
168
169			/** @var int\|null\|false $classStartPosition */
170			$classStartPosition = null;
			0 ignored issues – show Unused Code introduced 2023-07-26 14:21 UTC by Report Bug Copy Issue Report The assignment to `$classStartPosition` is dead and can be removed. Loading history...
171
172			/** @var int $position */
173			$position = 0;
174
175			/** @var array<int, string> $namespacePath */
176			$namespacePath = explode("\\", $fullClassName);
177
178			/** @var string $className */
179			$className = array_pop($namespacePath);
180
181			/** @var string $pattern */
182			$pattern = sprintf(
183			'/^(interface\|trait\|class)\s+%s\W*/is',
184			$className
185			);
186
187			/** @var int $codeLength */
188			$codeLength = strlen($entityPHP);
189
190			do {
191			if (preg_match($pattern, substr($entityPHP, $position, 128))) {
192			$classStartPosition = strpos($entityPHP, '{', $position);
193
194			if (is_int($classStartPosition)) {
195			return $classStartPosition + 1;
196
197			} else {
198			$classStartPosition = null;
199			}
200			}
201
202			self::skipIrrelevantCode($entityPHP, $position);
203
204			$position++;
205			} while ($position < $codeLength);
206
207			throw new ErrorException(sprintf(
208			'Could not find start position of class "%s" if file "%s"!',
209			$fullClassName,
210			$entityPHP
211			));
212			}
213
214			private static function skipIrrelevantCode(string $phpCode, int &$position): void
215			{
216			/** @var int $codeLength */
217			$codeLength = strlen($phpCode);
218
219			if (substr($phpCode, $position, 2) === '/*') {
220			do {
221			$position++;
222			} while (substr($phpCode, $position, 2) !== '*/' && $position < $codeLength);
223
224			} elseif (substr($phpCode, $position, 2) === '//') {
225			do {
226			$position++;
227			} while ($phpCode[$position] !== "\n" && $position < $codeLength);
228
229			} elseif (substr($phpCode, $position, 3) === '<<<') {
230			$position += 3;
231			$eofFlag = "";
232			do {
233			$eofFlag .= $phpCode[$position];
234			$position++;
235			} while ($phpCode[$position] !== "\n");
236
237			do {
238			$position++;
239			$charsAtPosition = substr($phpCode, $position, strlen($eofFlag) + 1);
240			} while ($charsAtPosition !== $eofFlag . ';' && $position < $codeLength);
241
242			} elseif ($phpCode[$position] === '"') {
243			do {
244			$position++;
245			} while ($phpCode[$position] !== '"' && $phpCode[$position - 1] !== '\\' && $position < $codeLength);
246
247			} elseif ($phpCode[$position] === "'") {
248			do {
249			$position++;
250			} while ($phpCode[$position] !== "'" && $phpCode[$position - 1] !== '\\' && $position < $codeLength);
251			}
252			}
253
254			}
255

addiks / symfony_rdm

Push — master ( c067d3...1dee6e )

BlackMagicEntityCodeGenerator::processMapping() C

Complexity

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Duplication

Importance

How to fix Long Method Complexity

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