mirror of https://github.com/rectorphp/rector.git
98 lines
2.8 KiB
PHP
98 lines
2.8 KiB
PHP
<?php
|
|
|
|
declare (strict_types=1);
|
|
namespace Rector\Php70\Rector\Switch_;
|
|
|
|
use PhpParser\Node;
|
|
use PhpParser\Node\Stmt\Case_;
|
|
use PhpParser\Node\Stmt\Switch_;
|
|
use Rector\Core\Rector\AbstractRector;
|
|
use Rector\Core\ValueObject\PhpVersionFeature;
|
|
use Rector\NodeTypeResolver\Node\AttributeKey;
|
|
use Rector\VersionBonding\Contract\MinPhpVersionInterface;
|
|
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
|
|
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
|
|
/**
|
|
* @changelog https://3v4l.org/iGDVW
|
|
*
|
|
* @changelog https://wiki.php.net/rfc/switch.default.multiple https://stackoverflow.com/a/44000794/1348344 https://github.com/franzliedke/wp-mpdf/commit/9dc489215fbd1adcb514810653a73dea71db8e99#diff-2f1f4a51a2dd3a73ca034a48a67a2320L1373
|
|
*
|
|
* @see \Rector\Tests\Php70\Rector\Switch_\ReduceMultipleDefaultSwitchRector\ReduceMultipleDefaultSwitchRectorTest
|
|
*/
|
|
final class ReduceMultipleDefaultSwitchRector extends AbstractRector implements MinPhpVersionInterface
|
|
{
|
|
public function provideMinPhpVersion() : int
|
|
{
|
|
return PhpVersionFeature::NO_MULTIPLE_DEFAULT_SWITCH;
|
|
}
|
|
public function getRuleDefinition() : RuleDefinition
|
|
{
|
|
return new RuleDefinition('Remove first default switch, that is ignored', [new CodeSample(<<<'CODE_SAMPLE'
|
|
switch ($expr) {
|
|
default:
|
|
echo "Hello World";
|
|
|
|
default:
|
|
echo "Goodbye Moon!";
|
|
break;
|
|
}
|
|
CODE_SAMPLE
|
|
, <<<'CODE_SAMPLE'
|
|
switch ($expr) {
|
|
default:
|
|
echo "Goodbye Moon!";
|
|
break;
|
|
}
|
|
CODE_SAMPLE
|
|
)]);
|
|
}
|
|
/**
|
|
* @return array<class-string<Node>>
|
|
*/
|
|
public function getNodeTypes() : array
|
|
{
|
|
return [Switch_::class];
|
|
}
|
|
/**
|
|
* @param Switch_ $node
|
|
*/
|
|
public function refactor(Node $node) : ?Node
|
|
{
|
|
$defaultCases = [];
|
|
foreach ($node->cases as $case) {
|
|
if ($case->cond !== null) {
|
|
continue;
|
|
}
|
|
$defaultCases[] = $case;
|
|
}
|
|
if (\count($defaultCases) < 2) {
|
|
return null;
|
|
}
|
|
$this->removeExtraDefaultCases($defaultCases);
|
|
return $node;
|
|
}
|
|
/**
|
|
* @param Case_[] $defaultCases
|
|
*/
|
|
private function removeExtraDefaultCases(array $defaultCases) : void
|
|
{
|
|
// keep only last
|
|
\array_pop($defaultCases);
|
|
foreach ($defaultCases as $defaultCase) {
|
|
$this->keepStatementsToParentCase($defaultCase);
|
|
$this->removeNode($defaultCase);
|
|
}
|
|
}
|
|
private function keepStatementsToParentCase(Case_ $case) : void
|
|
{
|
|
$previousNode = $case->getAttribute(AttributeKey::PREVIOUS_NODE);
|
|
if (!$previousNode instanceof Case_) {
|
|
return;
|
|
}
|
|
if ($previousNode->stmts === []) {
|
|
$previousNode->stmts = $case->stmts;
|
|
$case->stmts = [];
|
|
}
|
|
}
|
|
}
|