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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <dev@noladev.com> |
| 8 | * @copyright Copyright (c) 2009-2027 NOLA Interactive, LLC. |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Code\Reflection; |
| 16 | |
| 17 | use Pop\Code\Generator; |
| 18 | use Pop\Code\Reflection\Support\UseStatementParser; |
| 19 | use Pop\Code\Reflection\Support\AttributeCollector; |
| 20 | use Pop\Code\Reflection\Support\InterfaceHierarchyResolver; |
| 21 | use Pop\Code\Reflection\Support\NamespaceImportResolver; |
| 22 | use ReflectionException; |
| 23 | |
| 24 | /** |
| 25 | * Class reflection code class |
| 26 | * |
| 27 | * @category Pop |
| 28 | * @package Pop\Code |
| 29 | * @author Nick Sagona, III <dev@noladev.com> |
| 30 | * @copyright Copyright (c) 2009-2027 NOLA Interactive, LLC. |
| 31 | * @license https://www.popphp.org/license New BSD License |
| 32 | * @version 6.0.0 |
| 33 | */ |
| 34 | class ClassReflection extends AbstractReflection |
| 35 | { |
| 36 | |
| 37 | /** |
| 38 | * Method to parse a class |
| 39 | * |
| 40 | * @param mixed $code |
| 41 | * @param ?string $name |
| 42 | * @throws Exception|ReflectionException |
| 43 | * @return Generator\ClassGenerator |
| 44 | */ |
| 45 | public static function parse(mixed $code, ?string $name = null): Generator\ClassGenerator |
| 46 | { |
| 47 | $reflection = new \ReflectionClass($code); |
| 48 | |
| 49 | if ($reflection->isEnum()) { |
| 50 | throw new Exception('Error: The code is an enum; use Reflection::createEnum() instead.'); |
| 51 | } |
| 52 | |
| 53 | $reflectionName = $reflection->getShortName(); |
| 54 | $reflectionFile = $reflection->getFileName(); |
| 55 | $fileContents = null; |
| 56 | |
| 57 | if (!empty($reflectionFile) && file_exists($reflectionFile)) { |
| 58 | $fileContents = file_get_contents($reflectionFile); |
| 59 | } |
| 60 | |
| 61 | if (($name === null) && !empty($reflectionName)) { |
| 62 | $name = $reflectionName; |
| 63 | } |
| 64 | |
| 65 | if (($reflection->isInterface()) || ($reflection->isTrait())) { |
| 66 | throw new Exception('Error: The code must be a class, not an interface or trait.'); |
| 67 | } |
| 68 | |
| 69 | $class = new Generator\ClassGenerator($name); |
| 70 | |
| 71 | // Detect and set namespace |
| 72 | if (($reflection->inNamespace()) && ($fileContents !== null)) { |
| 73 | $class->setNamespace(NamespaceReflection::parse($fileContents, $reflection->getNamespaceName())); |
| 74 | } |
| 75 | |
| 76 | // Shared across attributes, the parent class, and interfaces below, so a same-short-name |
| 77 | // collision between e.g. the parent class and an attribute is caught too, not just among |
| 78 | // attributes alone. See NamespaceImportResolver for why: two `use` statements for |
| 79 | // different classes sharing one short name is a PHP fatal error, so the second one must |
| 80 | // fall back to a fully-qualified reference instead of colliding. |
| 81 | $importResolver = new NamespaceImportResolver(); |
| 82 | |
| 83 | // Detect attributes |
| 84 | foreach ($reflection->getAttributes() as $reflectionAttribute) { |
| 85 | [$attributeReference, $needsImport] = $importResolver->resolve($reflectionAttribute->getName(), $reflection->getNamespaceName()); |
| 86 | if ($needsImport) { |
| 87 | if (!$class->hasNamespace()) { |
| 88 | $class->setNamespace(new Generator\NamespaceGenerator()); |
| 89 | } |
| 90 | $class->getNamespace()->addUse($reflectionAttribute->getName()); |
| 91 | } |
| 92 | $class->addAttribute(AttributeCollector::build($reflectionAttribute, $attributeReference)); |
| 93 | } |
| 94 | |
| 95 | // Detect and set the class doc block |
| 96 | $classDocBlock = $reflection->getDocComment(); |
| 97 | if (!empty($classDocBlock) && (str_contains($classDocBlock, '/*'))) { |
| 98 | $class->setDocblock(DocblockReflection::parse($classDocBlock)); |
| 99 | } |
| 100 | |
| 101 | if ($reflection->isAbstract()) { |
| 102 | $class->setAsAbstract(true); |
| 103 | } else if ($reflection->isFinal()) { |
| 104 | $class->setAsFinal(true); |
| 105 | } |
| 106 | |
| 107 | if ($reflection->isReadOnly()) { |
| 108 | $class->setAsReadonly(true); |
| 109 | } |
| 110 | |
| 111 | // Detect parent class |
| 112 | $parent = $reflection->getParentClass(); |
| 113 | if ($parent !== false) { |
| 114 | [$parentReference, $needsImport] = $importResolver->resolve($parent->getName(), $reflection->getNamespaceName()); |
| 115 | if ($needsImport) { |
| 116 | if (!$class->hasNamespace()) { |
| 117 | $class->setNamespace(new Generator\NamespaceGenerator()); |
| 118 | } |
| 119 | $class->getNamespace()->addUse($parent->getName()); |
| 120 | } |
| 121 | $class->setParent($parentReference); |
| 122 | } |
| 123 | |
| 124 | // Detect implemented interfaces -- getInterfaces() returns the full transitive closure |
| 125 | // (every interface reachable via this class, its parent chain, and any interface's own |
| 126 | // extends), not just what this class itself directly declares in `implements`. A |
| 127 | // candidate is kept only if it isn't already provided by the parent class (inherited, not |
| 128 | // re-declared) and isn't reachable via another candidate already in this class's own set |
| 129 | // (implied by that candidate's own extends, not itself a distinct direct implements) -- |
| 130 | // see InterfaceHierarchyResolver. |
| 131 | $interfaces = $reflection->getInterfaces(); |
| 132 | $parentInterfaceNames = ($parent !== false) ? $parent->getInterfaceNames() : []; |
| 133 | $interfacesAry = []; |
| 134 | foreach (InterfaceHierarchyResolver::direct($interfaces, $parentInterfaceNames) as $candidateName => $interface) { |
| 135 | [$interfaceReference, $needsImport] = $importResolver->resolve($candidateName, $reflection->getNamespaceName()); |
| 136 | if ($needsImport) { |
| 137 | if (!$class->hasNamespace()) { |
| 138 | $class->setNamespace(new Generator\NamespaceGenerator()); |
| 139 | } |
| 140 | $class->getNamespace()->addUse($candidateName); |
| 141 | } |
| 142 | $interfacesAry[] = $interfaceReference; |
| 143 | } |
| 144 | $class->addInterfaces($interfacesAry); |
| 145 | |
| 146 | // Detect used traits |
| 147 | if ($fileContents !== null) { |
| 148 | foreach (UseStatementParser::parse($fileContents) as $use => $as) { |
| 149 | $class->addUse($use, $as); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | // Detect constants -- getReflectionConstants() includes inherited constants; keep only |
| 154 | // ones actually declared on this class (a trait-provided constant still reports its |
| 155 | // declaring class as this one, since PHP flattens trait members into the using class, so |
| 156 | // this filter only excludes constants inherited from a parent class, not trait ones). |
| 157 | foreach ($reflection->getReflectionConstants() as $constant) { |
| 158 | if ($constant->getDeclaringClass()->getName() !== $reflection->getName()) { |
| 159 | continue; |
| 160 | } |
| 161 | $class->addConstant(ConstantReflection::parse($constant)); |
| 162 | } |
| 163 | |
| 164 | // Detect properties -- getProperties() includes inherited properties; same declaring-class |
| 165 | // filter as constants above, with the same trait-member caveat. |
| 166 | $classIsReadonly = $reflection->isReadOnly(); |
| 167 | foreach ($reflection->getProperties() as $property) { |
| 168 | if ($property->isPromoted() || ($property->getDeclaringClass()->getName() !== $reflection->getName())) { |
| 169 | continue; |
| 170 | } |
| 171 | $value = $property->hasDefaultValue() ? $property->getDefaultValue() : null; |
| 172 | $propertyGenerator = PropertyReflection::parse($property, $property->getName(), $value); |
| 173 | if ($classIsReadonly) { |
| 174 | // Every property in a readonly class reports isReadOnly()=true regardless of whether it |
| 175 | // says so explicitly; rely on the class-level keyword instead of stuttering it per-property. |
| 176 | // NOTE: deviates from the task brief's literal `setAsReadonly(false)` — that call also |
| 177 | // re-enables PropertyGenerator's nullable-widening/default-value logic (gated on the same |
| 178 | // flag), which produced invalid PHP (a default value on a readonly property). Verified |
| 179 | // empirically; see task-3-report.md. suppressReadonlyKeyword() only hides the redundant |
| 180 | // keyword while keeping the property's true readonly semantics for rendering. |
| 181 | $propertyGenerator->suppressReadonlyKeyword(); |
| 182 | } |
| 183 | $class->addProperty($propertyGenerator); |
| 184 | } |
| 185 | |
| 186 | // Detect methods -- getMethods() includes inherited methods; same declaring-class filter, |
| 187 | // same trait-member caveat. An overridden method (e.g. implementing an abstract parent |
| 188 | // method) still reports its declaring class as this one, since the override itself is a |
| 189 | // real declaration here. |
| 190 | $methods = $reflection->getMethods(); |
| 191 | if (count($methods) > 0) { |
| 192 | foreach ($methods as $method) { |
| 193 | if ($method->getDeclaringClass()->getName() !== $reflection->getName()) { |
| 194 | continue; |
| 195 | } |
| 196 | $class->addMethod(MethodReflection::parse($method, $method->name)); |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | return $class; |
| 201 | } |
| 202 | |
| 203 | } |