feat(AppFramework): extend range check to optional parameters

Now it also applies when a paramater is documtend with a pending |null,
but no further unionation is considered.

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

lib/private/AppFramework/Utility/ControllerMethodReflector.php

@@ -50,7 +50,7 @@ class ControllerMethodReflector implements IControllerMethodReflector {
 			// extract type parameter information
 			preg_match_all('/@param\h+(?P<type>\w+)\h+\$(?P<var>\w+)/', $docs, $matches);
 			$this->types = array_combine($matches['var'], $matches['type']);
-			preg_match_all('/@psalm-param\h+(?P<type>\w+)<(?P<rangeMin>(-?\d+|min)),\h*(?P<rangeMax>(-?\d+|max))>\h+\$(?P<var>\w+)/', $docs, $matches);
+			preg_match_all('/@psalm-param\h+(\?)?(?P<type>\w+)<(?P<rangeMin>(-?\d+|min)),\h*(?P<rangeMax>(-?\d+|max))>(\|null)?\h+\$(?P<var>\w+)/', $docs, $matches);
 			foreach ($matches['var'] as $index => $varName) {
 				if ($matches['type'][$index] !== 'int') {
 					// only int ranges are possible at the moment

tests/lib/AppFramework/Utility/ControllerMethodReflectorTest.php

@@ -43,9 +43,11 @@ class MiddleController extends BaseController {
 	/**
 	 * @psalm-param int<-4, 42> $rangedOne
 	 * @psalm-param int<min, max> $rangedTwo
+	 * @psalm-param int<1, 6>|null $rangedThree
+	 * @psalm-param ?int<-70, -30> $rangedFour
 	 * @return void
 	 */
-	public function test4(int $rangedOne, int $rangedTwo) {
+	public function test4(int $rangedOne, int $rangedTwo, ?int $rangedThree, ?int $rangedFour) {
 	}
 }
 
@@ -239,5 +241,13 @@ class ControllerMethodReflectorTest extends \Test\TestCase {
 		$rangeInfo2 = $reader->getRange('rangedTwo');
 		$this->assertSame(PHP_INT_MIN, $rangeInfo2['min']);
 		$this->assertSame(PHP_INT_MAX, $rangeInfo2['max']);
+
+		$rangeInfo3 = $reader->getRange('rangedThree');
+		$this->assertSame(1, $rangeInfo3['min']);
+		$this->assertSame(6, $rangeInfo3['max']);
+
+		$rangeInfo3 = $reader->getRange('rangedFour');
+		$this->assertSame(-70, $rangeInfo3['min']);
+		$this->assertSame(-30, $rangeInfo3['max']);
 	}
 }