feat: utility functions to get metadata of patch & sigs

src/main/kotlin/app/revanced/patcher/extensions/AnnotationExtensions.kt

@@ -0,0 +1,32 @@
+package app.revanced.patcher.extensions
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.patch.base.Patch
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+
+private inline fun <reified T : Annotation> Any.firstAnnotation() =
+    this::class.annotations.first { it is T } as T
+
+private inline fun <reified T : Annotation> Any.recursiveAnnotation() =
+    this::class.java.findAnnotationRecursively(T::class.java)!!
+
+object PatchExtensions {
+    val Patch<*>.name get() = firstAnnotation<Name>().name
+    val Patch<*>.version get() = firstAnnotation<Version>().version
+    val Patch<*>.description get() = firstAnnotation<Description>().description
+    val Patch<*>.compatiblePackages get() = recursiveAnnotation<Compatibility>().compatiblePackages
+}
+
+object MethodSignatureExtensions {
+    val MethodSignature.name get() = firstAnnotation<Name>().name
+    val MethodSignature.version get() = firstAnnotation<Version>().version
+    val MethodSignature.description get() = firstAnnotation<Description>().description
+    val MethodSignature.compatiblePackages get() = recursiveAnnotation<Compatibility>().compatiblePackages
+    val MethodSignature.matchingMethod get() = firstAnnotation<MatchingMethod>()
+    val MethodSignature.fuzzyThreshold get() = firstAnnotation<FuzzyPatternScanMethod>().threshold
+}