%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
declare (strict_types=1);
namespace Rector\Php80\NodeAnalyzer;
use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Stmt\Break_;
use PhpParser\Node\Stmt\Case_;
use PhpParser\Node\Stmt\Return_;
use PhpParser\Node\Stmt\Switch_;
use Rector\NodeTypeResolver\NodeTypeResolver;
use Rector\NodeTypeResolver\PHPStan\Type\TypeFactory;
final class SwitchAnalyzer
{
/**
* @readonly
* @var \Rector\NodeTypeResolver\NodeTypeResolver
*/
private $nodeTypeResolver;
/**
* @readonly
* @var \Rector\NodeTypeResolver\PHPStan\Type\TypeFactory
*/
private $typeFactory;
public function __construct(NodeTypeResolver $nodeTypeResolver, TypeFactory $typeFactory)
{
$this->nodeTypeResolver = $nodeTypeResolver;
$this->typeFactory = $typeFactory;
}
/**
* @param Case_[] $cases
*/
public function hasDifferentTypeCases(array $cases) : bool
{
$types = [];
foreach ($cases as $case) {
if ($case->cond instanceof Expr) {
$types[] = $this->nodeTypeResolver->getType($case->cond);
}
}
if ($types === []) {
return \false;
}
$uniqueTypes = $this->typeFactory->uniquateTypes($types);
return \count($uniqueTypes) > 1;
}
public function hasEachCaseBreak(Switch_ $switch) : bool
{
$totalCases = \count($switch->cases);
if ($totalCases === 1) {
return $this->containsCaseReturn($switch->cases[0]);
}
foreach ($switch->cases as $key => $case) {
if ($key === $totalCases - 1) {
return \true;
}
if ($this->hasBreakOrReturnOrEmpty($case)) {
continue;
}
return \false;
}
return \true;
}
public function hasEachCaseSingleStmt(Switch_ $switch) : bool
{
foreach ($switch->cases as $case) {
if ($case->cond === null) {
continue;
}
$stmtsWithoutBreak = \array_filter($case->stmts, static function (Node $node) : bool {
return !$node instanceof Break_;
});
if (\count($stmtsWithoutBreak) !== 1) {
return \false;
}
}
return \true;
}
public function hasDefaultSingleStmt(Switch_ $switch) : bool
{
foreach ($switch->cases as $case) {
if ($case->cond === null) {
$stmtsWithoutBreak = \array_filter($case->stmts, static function (Node $node) : bool {
return !$node instanceof Break_;
});
return \count($stmtsWithoutBreak) === 1;
}
}
return \false;
}
private function hasBreakOrReturnOrEmpty(Case_ $case) : bool
{
if ($case->stmts === []) {
return \true;
}
foreach ($case->stmts as $caseStmt) {
if ($caseStmt instanceof Break_) {
return \true;
}
if ($caseStmt instanceof Return_) {
return \true;
}
}
return \false;
}
private function containsCaseReturn(Case_ $case) : bool
{
foreach ($case->stmts as $stmt) {
if ($stmt instanceof Return_) {
return \true;
}
}
return \false;
}
}
Zerion Mini Shell 1.0