2017-10-20 18:29:23 +00:00
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<?php declare(strict_types=1);
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2018-08-01 18:34:58 +00:00
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namespace Rector\Rector\Constant;
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2017-10-20 18:29:23 +00:00
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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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2018-04-28 19:43:35 +00:00
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use Rector\Builder\IdentifierRenamer;
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2017-10-20 18:29:23 +00:00
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use Rector\NodeAnalyzer\ClassConstAnalyzer;
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use Rector\Rector\AbstractRector;
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2018-08-01 18:34:58 +00:00
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use Rector\RectorDefinition\ConfiguredCodeSample;
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2018-04-08 11:51:26 +00:00
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use Rector\RectorDefinition\RectorDefinition;
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2017-10-20 18:29:23 +00:00
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final class ClassConstantReplacerRector extends AbstractRector
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{
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/**
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* class => [
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* OLD_CONSTANT => NEW_CONSTANT
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* ]
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*
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* @var string[]
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*/
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private $oldToNewConstantsByClass = [];
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/**
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* @var ClassConstAnalyzer
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*/
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private $classConstAnalyzer;
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2017-12-25 19:10:47 +00:00
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/**
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2017-12-26 21:42:49 +00:00
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* @var IdentifierRenamer
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2017-12-25 19:10:47 +00:00
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*/
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2017-12-26 21:42:49 +00:00
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private $identifierRenamer;
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2017-12-25 19:10:47 +00:00
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2017-10-20 18:29:23 +00:00
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/**
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* @param string[] $oldToNewConstantsByClass
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*/
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2017-12-25 19:31:18 +00:00
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public function __construct(
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array $oldToNewConstantsByClass,
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ClassConstAnalyzer $classConstAnalyzer,
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2017-12-26 21:42:49 +00:00
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IdentifierRenamer $identifierRenamer
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2017-12-25 19:31:18 +00:00
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) {
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2017-10-20 18:29:23 +00:00
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$this->oldToNewConstantsByClass = $oldToNewConstantsByClass;
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$this->classConstAnalyzer = $classConstAnalyzer;
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2017-12-26 21:42:49 +00:00
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$this->identifierRenamer = $identifierRenamer;
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2017-10-20 18:29:23 +00:00
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}
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2018-04-08 11:51:26 +00:00
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/**
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* @todo complete list with all possibilities
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*/
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public function getDefinition(): RectorDefinition
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{
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2018-08-01 13:34:55 +00:00
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return new RectorDefinition('Replaces defined class constants in their calls.', [
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2018-08-01 18:34:58 +00:00
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new ConfiguredCodeSample(
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'$value = SomeClass::OLD_CONSTANT;',
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'$value = SomeClass::NEW_CONSTANT;',
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[
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'$oldToNewConstantsByClass' => [
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'SomeClass' => [
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'OLD_CONSTANT' => 'NEW_CONSTANT',
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],
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],
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]
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),
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2018-04-08 11:51:26 +00:00
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]);
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}
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2018-08-14 22:12:41 +00:00
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/**
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* @return string[]
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*/
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public function getNodeTypes(): array
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2017-10-20 18:29:23 +00:00
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{
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2018-08-14 22:12:41 +00:00
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return [ClassConstFetch::class];
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2017-10-20 18:29:23 +00:00
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}
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/**
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* @param ClassConstFetch $classConstFetchNode
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*/
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public function refactor(Node $classConstFetchNode): ?Node
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{
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2018-10-14 10:48:21 +00:00
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$activeType = $this->classConstAnalyzer->matchTypes(
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$classConstFetchNode,
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array_keys($this->oldToNewConstantsByClass)
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);
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2018-08-14 22:12:41 +00:00
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if ($activeType === null) {
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return null;
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}
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$configuration = $this->oldToNewConstantsByClass[$activeType];
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2017-12-10 00:28:51 +00:00
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/** @var Identifier $identifierNode */
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$identifierNode = $classConstFetchNode->name;
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$constantName = $identifierNode->toString();
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2017-10-20 18:29:23 +00:00
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$newConstantName = $configuration[$constantName];
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2018-07-25 11:06:07 +00:00
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if ($newConstantName === '') {
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2017-12-25 19:10:47 +00:00
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return $classConstFetchNode;
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}
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2017-10-20 18:29:23 +00:00
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2017-12-26 21:42:49 +00:00
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$this->identifierRenamer->renameNode($classConstFetchNode, $newConstantName);
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2017-12-25 19:37:09 +00:00
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return $classConstFetchNode;
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2017-10-20 18:29:23 +00:00
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}
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}
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