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PublicVisibility.php
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PublicVisibility.php
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<?php
/**
* This code is licensed under the BSD 3-Clause License.
*
* Copyright (c) 2017, Maks Rafalko
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
declare(strict_types=1);
namespace Infection\Mutator\FunctionSignature;
use Infection\Mutator\Definition;
use Infection\Mutator\GetMutatorName;
use Infection\Mutator\Mutator;
use Infection\Mutator\MutatorCategory;
use Infection\PhpParser\Visitor\ReflectionVisitor;
use Infection\Reflection\ClassReflection;
use Infection\Reflection\Visibility;
use PhpParser\Node;
/**
* @internal
*
* @implements Mutator<Node\Stmt\ClassMethod>
*/
final class PublicVisibility implements Mutator
{
use GetMutatorName;
public static function getDefinition(): ?Definition
{
return new Definition(
'Replaces the `public` method visibility keyword with `protected`.',
MutatorCategory::SEMANTIC_REDUCTION,
null,
<<<'DIFF'
- public function foo() {
+ protected function foo() {
DIFF
);
}
/**
* @psalm-mutation-free
*
* @return iterable<Node\Stmt\ClassMethod>
*/
public function mutate(Node $node): iterable
{
yield new Node\Stmt\ClassMethod(
$node->name,
[
'flags' => ($node->flags & ~Node\Stmt\Class_::MODIFIER_PUBLIC) | Node\Stmt\Class_::MODIFIER_PROTECTED,
'byRef' => $node->returnsByRef(),
'params' => $node->getParams(),
'returnType' => $node->getReturnType(),
'stmts' => $node->getStmts(),
'attrGroups' => $node->getAttrGroups(),
],
$node->getAttributes()
);
}
public function canMutate(Node $node): bool
{
if (!$node instanceof Node\Stmt\ClassMethod) {
return false;
}
if (!$node->isPublic()) {
return false;
}
if ($node->isMagic()) {
return false;
}
return !$this->hasSamePublicParentMethod($node);
}
private function hasSamePublicParentMethod(Node\Stmt\ClassMethod $node): bool
{
/** @var ClassReflection $reflection */
$reflection = $node->getAttribute(ReflectionVisitor::REFLECTION_CLASS_KEY);
return $reflection->hasParentMethodWithVisibility($node->name->name, Visibility::asPublic());
}
}