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| 1 | +<?php |
| 2 | + |
| 3 | +declare(strict_types=1); |
| 4 | + |
| 5 | +namespace Tempest\Generation; |
| 6 | + |
| 7 | +use Nette\PhpGenerator\ClassType; |
| 8 | +use Nette\PhpGenerator\PhpFile; |
| 9 | +use Nette\PhpGenerator\PsrPrinter; |
| 10 | +use ReflectionClass; |
| 11 | + |
| 12 | +final class ClassManipulator |
| 13 | +{ |
| 14 | + private ClassType $classType; |
| 15 | + |
| 16 | + private PhpFile $file; |
| 17 | + |
| 18 | + private string $namespace; |
| 19 | + |
| 20 | + private bool $simplifyImplements = false; |
| 21 | + |
| 22 | + private array $aliases = []; |
| 23 | + |
| 24 | + public function __construct(string|ReflectionClass $className) |
| 25 | + { |
| 26 | + $reflection = is_string($className) |
| 27 | + ? new ReflectionClass($className) |
| 28 | + : $className; |
| 29 | + |
| 30 | + $this->file = new PhpFile(); |
| 31 | + $this->classType = ClassType::from($reflection->getName(), withBodies: true); // @phpstan-ignore-line |
| 32 | + $this->namespace = $reflection->getNamespaceName(); |
| 33 | + } |
| 34 | + |
| 35 | + public function removeClassAttribute(string $attributeName): self |
| 36 | + { |
| 37 | + $attributes = $this->classType->getAttributes(); |
| 38 | + |
| 39 | + foreach ($attributes as $key => $attribute) { |
| 40 | + if ($attribute->getName() === $attributeName) { |
| 41 | + unset($attributes[$key]); |
| 42 | + } |
| 43 | + } |
| 44 | + |
| 45 | + $this->classType->setAttributes($attributes); |
| 46 | + |
| 47 | + return $this; |
| 48 | + } |
| 49 | + |
| 50 | + public function setFinal(bool $final = true): self |
| 51 | + { |
| 52 | + $this->classType->setFinal($final); |
| 53 | + |
| 54 | + return $this; |
| 55 | + } |
| 56 | + |
| 57 | + public function setReadOnly(bool $readonly = true): self |
| 58 | + { |
| 59 | + $this->classType->setReadOnly($readonly); |
| 60 | + |
| 61 | + return $this; |
| 62 | + } |
| 63 | + |
| 64 | + public function setStrictTypes(bool $strictTypes = true): self |
| 65 | + { |
| 66 | + $this->file->setStrictTypes($strictTypes); |
| 67 | + |
| 68 | + return $this; |
| 69 | + } |
| 70 | + |
| 71 | + public function updateNamespace(string $namespace): self |
| 72 | + { |
| 73 | + $this->namespace = $namespace; |
| 74 | + |
| 75 | + return $this; |
| 76 | + } |
| 77 | + |
| 78 | + public function print(): string |
| 79 | + { |
| 80 | + $printer = new PsrPrinter(); |
| 81 | + |
| 82 | + $file = clone $this->file; |
| 83 | + $namespace = $file->addNamespace($this->namespace); |
| 84 | + $namespace->add($this->classType); |
| 85 | + |
| 86 | + $this->simplifyClassNames($file); |
| 87 | + |
| 88 | + return $printer->printFile($file); |
| 89 | + } |
| 90 | + |
| 91 | + public function simplifyImplements(): self |
| 92 | + { |
| 93 | + $this->simplifyImplements = true; |
| 94 | + |
| 95 | + return $this; |
| 96 | + } |
| 97 | + |
| 98 | + public function setAlias(string $class, string $alias): self |
| 99 | + { |
| 100 | + if (isset($this->aliases[$class])) { |
| 101 | + unset($this->aliases[$class]); |
| 102 | + } |
| 103 | + |
| 104 | + $this->aliases[$class] = $alias; |
| 105 | + |
| 106 | + return $this; |
| 107 | + } |
| 108 | + |
| 109 | + private function simplifyClassNames(PhpFile $file): PhpFile |
| 110 | + { |
| 111 | + foreach ($file->getNamespaces() as $namespace) { |
| 112 | + foreach ($namespace->getClasses() as $class) { |
| 113 | + $types = []; |
| 114 | + |
| 115 | + if ($this->simplifyImplements) { |
| 116 | + foreach ($class->getImplements() as $implement) { |
| 117 | + $types[] = $implement; |
| 118 | + } |
| 119 | + } |
| 120 | + |
| 121 | + foreach ($class->getAttributes() as $attribute) { |
| 122 | + $types[] = $attribute->getName(); |
| 123 | + } |
| 124 | + |
| 125 | + foreach ($class->getMethods() as $method) { |
| 126 | + $types[] = $method->getReturnType(true); |
| 127 | + |
| 128 | + array_map(function ($param) use (&$types): void { |
| 129 | + $types[] = $param->getType(true); |
| 130 | + }, $method->getParameters()); |
| 131 | + |
| 132 | + $methodBody = $method->getBody(); |
| 133 | + $fqcnMatches = $this->extractFqcnFromBody($methodBody); |
| 134 | + |
| 135 | + foreach (array_filter($fqcnMatches) as $fqcn) { |
| 136 | + $namespace->addUse($fqcn); |
| 137 | + } |
| 138 | + } |
| 139 | + |
| 140 | + array_map(function ($param) use (&$types): void { |
| 141 | + $types[] = $param->getType(true); |
| 142 | + }, $class->getProperties()); |
| 143 | + |
| 144 | + foreach ($this->aliases as $class => $alias) { |
| 145 | + $namespace->addUse($class, $alias); |
| 146 | + } |
| 147 | + |
| 148 | + foreach (array_filter($types) as $type) { |
| 149 | + if (is_string($type)) { |
| 150 | + $namespace->addUse($type); |
| 151 | + |
| 152 | + continue; |
| 153 | + } |
| 154 | + |
| 155 | + foreach ($type->getTypes() as $subtype) { |
| 156 | + if ($subtype->isClass() && ! $subtype->isClassKeyword()) { |
| 157 | + $namespace->addUse((string) $subtype); |
| 158 | + } |
| 159 | + } |
| 160 | + } |
| 161 | + } |
| 162 | + } |
| 163 | + |
| 164 | + return $file; |
| 165 | + } |
| 166 | + |
| 167 | + private function extractFqcnFromBody(string $body): array |
| 168 | + { |
| 169 | + preg_match_all('/(?:\\\\?[A-Za-z_][\w\d_]*\\\\)+[A-Za-z_][\w\d_]*/', $body, $matches); |
| 170 | + |
| 171 | + return array_filter(array_unique( |
| 172 | + array_map(fn (string $fqcn) => rtrim(ltrim($fqcn, '\\'), ':'), $matches[0]) |
| 173 | + )); |
| 174 | + } |
| 175 | +} |
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