BlackMagicEntityCodeGenerator::skipIrrelevantCode() - Code Metrics - Inspection of "added entity-code-generation to add the "fake" col..." - addiks/symfony_rdm - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — entity_code_generation (017b91)

by Gerrit

created 2023-07-26 14:07 UTC

skipIrrelevantCode() D

↳ Parent: BlackMagicEntityCodeGenerator

Complexity

Conditions	19
Paths	6

Size

Total Lines	37
Code Lines	28

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	1

Metric	Value
cc	19
eloc	28
c	1
b	1
f	1
nc	6
nop	2
dl	0
loc	37
rs	4.5166

How to fix 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 string $entityPHP */
        $entityPHP = file_get_contents($filePath);
        
        /** @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);
            
            if (isset($writtenFieldNames[$fieldName])) {
                continue;
            }
            
            $writtenFieldNames[$fieldName] = $column;
            
            /** @var string $fieldPHP */
            $fieldPHP = sprintf(
                "\n%spublic $%s;\n",
                $this->indenting,
                $fieldName
            );
            
            $entityPHP = sprintf(
                '%s%s%s',
                substr($entityPHP, 0, $classStartPosition),
                $fieldPHP,
                substr($entityPHP, $classStartPosition)
            );
        }
        
        $targetFilePath = sprintf(
            '%s/%s.php',
            $this->targetDirectory,
            str_replace('\\', '_', $fullClassName)
        );
        
        if (!is_dir($this->targetDirectory)) {
            mkdir($this->targetDirectory, 0777, true);
        }
        
        file_put_contents($targetFilePath, $entityPHP);
        
        return $targetFilePath;
    }
    
    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 string $entityPHP */
55			$entityPHP = file_get_contents($filePath);
56
57			/** @var int $classStartPosition */
58			$classStartPosition = self::findClassStartPosition($fullClassName, $entityPHP);
59
60			/** @var array<string, Column> $writtenFieldNames */
61			$writtenFieldNames = array();
62
63			foreach ($columns as $column) {
64
65			/** @var string $fieldName */
66			$fieldName = $this->dataLoader->columnToFieldName($column);
67
68			if (isset($writtenFieldNames[$fieldName])) {
69			continue;
70			}
71
72			$writtenFieldNames[$fieldName] = $column;
73
74			/** @var string $fieldPHP */
75			$fieldPHP = sprintf(
76			"\n%spublic $%s;\n",
77			$this->indenting,
78			$fieldName
79			);
80
81			$entityPHP = sprintf(
82			'%s%s%s',
83			substr($entityPHP, 0, $classStartPosition),
84			$fieldPHP,
85			substr($entityPHP, $classStartPosition)
86			);
87			}
88
89			$targetFilePath = sprintf(
90			'%s/%s.php',
91			$this->targetDirectory,
92			str_replace('\\', '_', $fullClassName)
93			);
94
95			if (!is_dir($this->targetDirectory)) {
96			mkdir($this->targetDirectory, 0777, true);
97			}
98
99			file_put_contents($targetFilePath, $entityPHP);
100
101			return $targetFilePath;
102			}
103
104			private static function findClassStartPosition(
105			string $fullClassName,
106			string $entityPHP
107			): int {
108
109			/** @var int\|null\|false $classStartPosition */
110			$classStartPosition = null;
			0 ignored issues – show Unused Code introduced 2023-07-26 14:21 UTC by Report Bug Copy Issue Report The assignment to `$classStartPosition` is dead and can be removed. Loading history...
111
112			/** @var int $position */
113			$position = 0;
114
115			/** @var array<int, string> $namespacePath */
116			$namespacePath = explode("\\", $fullClassName);
117
118			/** @var string $className */
119			$className = array_pop($namespacePath);
120
121			/** @var string $pattern */
122			$pattern = sprintf(
123			'/^(interface\|trait\|class)\s+%s\W*/is',
124			$className
125			);
126
127			/** @var int $codeLength */
128			$codeLength = strlen($entityPHP);
129
130			do {
131			if (preg_match($pattern, substr($entityPHP, $position, 128))) {
132			$classStartPosition = strpos($entityPHP, '{', $position);
133
134			if (is_int($classStartPosition)) {
135			return $classStartPosition + 1;
136
137			} else {
138			$classStartPosition = null;
139			}
140			}
141
142			self::skipIrrelevantCode($entityPHP, $position);
143
144			$position++;
145			} while ($position < $codeLength);
146
147			throw new ErrorException(sprintf(
148			'Could not find start position of class "%s" if file "%s"!',
149			$fullClassName,
150			$entityPHP
151			));
152			}
153
154			private static function skipIrrelevantCode(string $phpCode, int &$position): void
155			{
156			/** @var int $codeLength */
157			$codeLength = strlen($phpCode);
158
159			if (substr($phpCode, $position, 2) === '/*') {
160			do {
161			$position++;
162			} while (substr($phpCode, $position, 2) !== '*/' && $position < $codeLength);
163
164			} elseif (substr($phpCode, $position, 2) === '//') {
165			do {
166			$position++;
167			} while ($phpCode[$position] !== "\n" && $position < $codeLength);
168
169			} elseif (substr($phpCode, $position, 3) === '<<<') {
170			$position += 3;
171			$eofFlag = "";
172			do {
173			$eofFlag .= $phpCode[$position];
174			$position++;
175			} while ($phpCode[$position] !== "\n");
176
177			do {
178			$position++;
179			$charsAtPosition = substr($phpCode, $position, strlen($eofFlag) + 1);
180			} while ($charsAtPosition !== $eofFlag . ';' && $position < $codeLength);
181
182			} elseif ($phpCode[$position] === '"') {
183			do {
184			$position++;
185			} while ($phpCode[$position] !== '"' && $phpCode[$position - 1] !== '\\' && $position < $codeLength);
186
187			} elseif ($phpCode[$position] === "'") {
188			do {
189			$position++;
190			} while ($phpCode[$position] !== "'" && $phpCode[$position - 1] !== '\\' && $position < $codeLength);
191			}
192			}
193
194			}
195

addiks / symfony_rdm

Branch — entity_code_generation (017b91)

skipIrrelevantCode() D

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

Filter issues like