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112 lines
2.8 KiB
PHP
112 lines
2.8 KiB
PHP
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<?php
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namespace Psalm\Internal\Provider;
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use PhpParser;
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use Psalm\Context;
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use Psalm\CodeLocation;
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use Psalm\StatementsSource;
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use Psalm\Plugin\Hook\PropertyExistenceProviderInterface;
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class PropertyExistenceProvider
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{
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/**
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* @var array<
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* string,
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* array<\Closure(
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* string,
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* string,
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* bool,
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* ?StatementsSource=,
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* ?Context=,
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* ?CodeLocation=
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* ) : ?bool>
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* >
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*/
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private static $handlers = [];
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public function __construct()
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{
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self::$handlers = [];
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}
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/**
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* @param class-string<PropertyExistenceProviderInterface> $class
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* @psalm-suppress PossiblyUnusedParam
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* @return void
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*/
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public function registerClass(string $class)
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{
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if (version_compare(PHP_VERSION, '7.1.0') >= 0) {
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/**
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* @psalm-suppress UndefinedMethod
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* @var \Closure
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*/
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$callable = \Closure::fromCallable([$class, 'doesPropertyExist']);
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} else {
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$callable = (new \ReflectionClass($class))->getMethod('doesPropertyExist')->getClosure(new $class);
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if (!$callable) {
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throw new \UnexpectedValueException('Callable must not be null');
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}
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}
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foreach ($class::getClassLikeNames() as $fq_classlike_name) {
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/** @psalm-suppress MixedTypeCoercion */
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$this->registerClosure($fq_classlike_name, $callable);
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}
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}
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/**
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* @param \Closure(
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* string,
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* string,
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* bool,
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* ?StatementsSource=,
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* ?Context=,
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* ?CodeLocation=
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* ) : ?bool $c
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*
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* @return void
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*/
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public function registerClosure(string $fq_classlike_name, \Closure $c)
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{
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self::$handlers[strtolower($fq_classlike_name)][] = $c;
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}
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public function has(string $fq_classlike_name) : bool
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{
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return isset(self::$handlers[strtolower($fq_classlike_name)]);
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}
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/**
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* @param array<PhpParser\Node\Arg> $call_args
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* @return ?bool
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*/
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public function doesPropertyExist(
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string $fq_classlike_name,
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string $property_name,
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bool $read_mode,
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StatementsSource $source = null,
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Context $context = null,
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CodeLocation $code_location = null
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) {
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foreach (self::$handlers[strtolower($fq_classlike_name)] as $property_handler) {
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$property_exists = $property_handler(
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$fq_classlike_name,
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$property_name,
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$read_mode,
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$source,
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$context,
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$code_location
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);
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if ($property_exists !== null) {
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return $property_exists;
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}
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}
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return null;
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}
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}
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