mirror of https://github.com/rectorphp/rector.git
92 lines
2.9 KiB
PHP
92 lines
2.9 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\NodeManipulator;
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use PhpParser\Node\Stmt;
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use PhpParser\Node\Stmt\Class_;
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use PhpParser\Node\Stmt\ClassConst;
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use PhpParser\Node\Stmt\ClassMethod;
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use PhpParser\Node\Stmt\Property;
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use PHPStan\Type\Type;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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use Rector\PhpParser\Node\NodeFactory;
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final class ClassInsertManipulator
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{
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/**
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* @readonly
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* @var \Rector\PhpParser\Node\NodeFactory
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*/
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private $nodeFactory;
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public function __construct(NodeFactory $nodeFactory)
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{
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$this->nodeFactory = $nodeFactory;
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}
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/**
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* @api
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* @param \PhpParser\Node\Stmt\Property|\PhpParser\Node\Stmt\ClassConst|\PhpParser\Node\Stmt\ClassMethod $stmt
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*/
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public function addAsFirstMethod(Class_ $class, $stmt) : void
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{
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$scope = $class->getAttribute(AttributeKey::SCOPE);
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$stmt->setAttribute(AttributeKey::SCOPE, $scope);
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if ($this->isSuccessToInsertBeforeFirstMethod($class, $stmt)) {
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return;
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}
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if ($this->isSuccessToInsertAfterLastProperty($class, $stmt)) {
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return;
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}
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$class->stmts[] = $stmt;
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}
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/**
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* @internal Use PropertyAdder service instead
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*/
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public function addPropertyToClass(Class_ $class, string $name, ?Type $type) : void
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{
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$existingProperty = $class->getProperty($name);
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if ($existingProperty instanceof Property) {
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return;
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}
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$property = $this->nodeFactory->createPrivatePropertyFromNameAndType($name, $type);
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$this->addAsFirstMethod($class, $property);
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}
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/**
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* @param Stmt[] $stmts
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* @return Stmt[]
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*/
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private function insertBefore(array $stmts, Stmt $stmt, int $key) : array
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{
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\array_splice($stmts, $key, 0, [$stmt]);
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return $stmts;
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}
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/**
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* @param \PhpParser\Node\Stmt\ClassConst|\PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Property $stmt
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*/
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private function isSuccessToInsertBeforeFirstMethod(Class_ $class, $stmt) : bool
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{
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foreach ($class->stmts as $key => $classStmt) {
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if (!$classStmt instanceof ClassMethod) {
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continue;
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}
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$class->stmts = $this->insertBefore($class->stmts, $stmt, $key);
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return \true;
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}
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return \false;
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}
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/**
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* @param \PhpParser\Node\Stmt\ClassConst|\PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Property $stmt
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*/
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private function isSuccessToInsertAfterLastProperty(Class_ $class, $stmt) : bool
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{
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$previousElement = null;
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foreach ($class->stmts as $key => $classStmt) {
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if ($previousElement instanceof Property && !$classStmt instanceof Property) {
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$class->stmts = $this->insertBefore($class->stmts, $stmt, $key);
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return \true;
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}
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$previousElement = $classStmt;
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}
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return \false;
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}
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}
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