mirror of https://github.com/rectorphp/rector.git
115 lines
3.2 KiB
PHP
115 lines
3.2 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\CodeQuality\Rector\ClassConstFetch;
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use PhpParser\Node;
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use PhpParser\Node\Expr\ClassConstFetch;
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use PhpParser\Node\Identifier;
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use PhpParser\Node\Name;
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use PhpParser\Node\Stmt\Class_;
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use Rector\Rector\AbstractRector;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @see \Rector\Tests\CodeQuality\Rector\ClassConstFetch\ConvertStaticPrivateConstantToSelfRector\ConvertStaticPrivateConstantToSelfRectorTest
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*
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* @see https://3v4l.org/8Y0ba
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* @see https://phpstan.org/r/11d4c850-1a40-4fae-b665-291f96104d11
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*/
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final class ConvertStaticPrivateConstantToSelfRector extends AbstractRector
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{
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Replaces static::* access to private constants with self::*', [new CodeSample(<<<'CODE_SAMPLE'
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final class Foo
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{
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private const BAR = 'bar';
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public function run()
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{
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$bar = static::BAR;
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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final class Foo
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{
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private const BAR = 'bar';
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public function run()
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{
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$bar = self::BAR;
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}
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}
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CODE_SAMPLE
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)]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [Class_::class];
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}
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/**
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* @param Class_ $node
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*/
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public function refactor(Node $node) : ?Class_
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{
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if ($node->getConstants() === []) {
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return null;
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}
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$class = $node;
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$hasChanged = \false;
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$this->traverseNodesWithCallable($class, function (Node $node) use($class, &$hasChanged) : ?Node {
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if (!$node instanceof ClassConstFetch) {
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return null;
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}
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if ($this->shouldBeSkipped($class, $node)) {
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return null;
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}
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$hasChanged = \true;
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$node->class = new Name('self');
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return $node;
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});
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if ($hasChanged) {
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return $node;
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}
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return null;
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}
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private function isUsingStatic(ClassConstFetch $classConstFetch) : bool
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{
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return $this->isName($classConstFetch->class, 'static');
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}
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private function isPrivateConstant(ClassConstFetch $classConstFetch, Class_ $class) : bool
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{
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$constantName = $this->getConstantName($classConstFetch);
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if ($constantName === null) {
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return \false;
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}
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foreach ($class->getConstants() as $classConst) {
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if (!$this->nodeNameResolver->isName($classConst, $constantName)) {
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continue;
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}
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return $classConst->isPrivate();
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}
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return \false;
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}
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private function shouldBeSkipped(Class_ $class, ClassConstFetch $classConstFetch) : bool
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{
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if (!$this->isUsingStatic($classConstFetch)) {
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return \true;
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}
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return !$this->isPrivateConstant($classConstFetch, $class);
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}
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private function getConstantName(ClassConstFetch $classConstFetch) : ?string
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{
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$constantNameIdentifier = $classConstFetch->name;
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if (!$constantNameIdentifier instanceof Identifier) {
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return null;
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}
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return $constantNameIdentifier->toString();
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}
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}
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