chore(release): 4.1.2 [skip ci]

## [4.1.2](https://github.com/revanced/revanced-patcher/compare/v4.1.1...v4.1.2) (2022-09-07)

### Bug Fixes

* invalid types for example options ([79f91e0](79f91e0e5a))

CHANGELOG.md

@@ -1,3 +1,36 @@
+## [4.1.2](https://github.com/revanced/revanced-patcher/compare/v4.1.1...v4.1.2) (2022-09-07)
+
+
+### Bug Fixes
+
+* invalid types for example options ([79f91e0](https://github.com/revanced/revanced-patcher/commit/79f91e0e5a6d99828f30aae55339ce0d897394c7))
+
+## [4.1.1](https://github.com/revanced/revanced-patcher/compare/v4.1.0...v4.1.1) (2022-09-07)
+
+
+### Bug Fixes
+
+* handle private companion objects ([ad3d332](https://github.com/revanced/revanced-patcher/commit/ad3d332e27d07e9d074bbaaf51af7eb2f9bfc7d5))
+
+# [4.1.0](https://github.com/revanced/revanced-patcher/compare/v4.0.0...v4.1.0) (2022-09-07)
+
+
+### Features
+
+* deprecation for patches ([80c2e80](https://github.com/revanced/revanced-patcher/commit/80c2e809251cdb04d2dd3b3bfdbb8844bdfa31fa))
+
+# [4.0.0](https://github.com/revanced/revanced-patcher/compare/v3.5.1...v4.0.0) (2022-09-07)
+
+
+### Code Refactoring
+
+* Improve Patch Options ([6b909c1](https://github.com/revanced/revanced-patcher/commit/6b909c1ee6b8c2ea08bbca059df755e2e5f31656))
+
+
+### BREAKING CHANGES
+
+* Options has been moved from Patch to a new interface called OptionsContainer and are now handled entirely different. Make sure to check the examples to understand how it works.
+
 ## [3.5.1](https://github.com/revanced/revanced-patcher/compare/v3.5.0...v3.5.1) (2022-09-06)
 
 

build.gradle.kts

@@ -26,6 +26,7 @@ dependencies {
     implementation("app.revanced:multidexlib2:2.5.2.r2")
     implementation("org.apktool:apktool-lib:2.7.0-SNAPSHOT")
 
+    implementation(kotlin("reflect"))
     testImplementation(kotlin("test"))
 }
 

gradle.properties

@@ -1,2 +1,2 @@
 kotlin.code.style = official
-version = 3.5.1
+version = 4.1.2

src/main/kotlin/app/revanced/patcher/Patcher.kt

@@ -4,6 +4,7 @@ import app.revanced.patcher.data.Data
 import app.revanced.patcher.data.PackageMetadata
 import app.revanced.patcher.data.impl.findIndexed
 import app.revanced.patcher.extensions.PatchExtensions.dependencies
+import app.revanced.patcher.extensions.PatchExtensions.deprecated
 import app.revanced.patcher.extensions.PatchExtensions.patchName
 import app.revanced.patcher.extensions.nullOutputStream
 import app.revanced.patcher.fingerprint.method.utils.MethodFingerprintUtils.resolve
@@ -289,6 +290,10 @@ class Patcher(private val options: PatcherOptions) {
             return PatchResultError("'$patchName' is a resource patch, but resource patching is disabled")
         }
 
+        patch.deprecated?.let { (reason, replacement) ->
+            logger.warn("'$patchName' is deprecated: '$reason'" + if (replacement != null) ". Use '$replacement' instead." else "")
+        }
+
         // TODO: find a solution for this
         val data = if (isResourcePatch) {
             data.resourceData

src/main/kotlin/app/revanced/patcher/annotation/Deprecated.kt

@@ -0,0 +1,20 @@
+package app.revanced.patcher.annotation
+
+import app.revanced.patcher.data.Data
+import app.revanced.patcher.patch.Patch
+import kotlin.reflect.KClass
+
+/**
+ * Declares a [Patch] deprecated for removal.
+ * @param reason The reason why the patch is deprecated.
+ * @param replacement The replacement for the deprecated patch, if any.
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+@MustBeDocumented
+@Repeatable
+annotation class PatchDeprecated(
+    val reason: String,
+    val replacement: KClass<out Patch<Data>> = Patch::class
+    // Values cannot be nullable in annotations, so this will have to do.
+)

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

@@ -1,13 +1,15 @@
 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.annotation.*
 import app.revanced.patcher.data.Data
 import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patcher.patch.OptionsContainer
 import app.revanced.patcher.patch.Patch
+import app.revanced.patcher.patch.PatchOptions
 import kotlin.reflect.KClass
+import kotlin.reflect.KVisibility
+import kotlin.reflect.full.companionObject
+import kotlin.reflect.full.companionObjectInstance
 
 /**
  * Recursively find a given annotation on a class.
@@ -43,6 +45,19 @@ object PatchExtensions {
     val Class<out Patch<Data>>.description get() = recursiveAnnotation(Description::class)?.description
     val Class<out Patch<Data>>.dependencies get() = recursiveAnnotation(app.revanced.patcher.patch.annotations.DependsOn::class)?.dependencies
     val Class<out Patch<Data>>.compatiblePackages get() = recursiveAnnotation(Compatibility::class)?.compatiblePackages
+    val Class<out Patch<Data>>.options: PatchOptions?
+        get() = kotlin.companionObject?.let { cl ->
+            if (cl.visibility != KVisibility.PUBLIC) return null
+            kotlin.companionObjectInstance?.let {
+                (it as? OptionsContainer)?.options
+            }
+        }
+    val Class<out Patch<Data>>.deprecated: Pair<String, KClass<out Patch<Data>>?>?
+        get() = recursiveAnnotation(PatchDeprecated::class)?.let {
+            it.reason to it.replacement.let { cl ->
+                if (cl == Patch::class) null else cl
+            }
+        }
 
     @JvmStatic
     fun Class<out Patch<Data>>.dependsOn(patch: Class<out Patch<Data>>): Boolean {

src/main/kotlin/app/revanced/patcher/patch/Patch.kt

@@ -17,9 +17,18 @@ abstract class Patch<out T : Data> {
      * The main function of the [Patch] which the patcher will call.
      */
     abstract fun execute(data: @UnsafeVariance T): PatchResult
+}
 
+abstract class OptionsContainer {
     /**
      * A list of [PatchOption]s.
+     * @see PatchOptions
      */
-    open val options = PatchOptions()
+    @Suppress("MemberVisibilityCanBePrivate")
+    val options = PatchOptions()
+
+    protected fun option(opt: PatchOption<*>): PatchOption<*> {
+        options.register(opt)
+        return opt
+    }
 }

src/main/kotlin/app/revanced/patcher/patch/PatchOption.kt

@@ -18,13 +18,17 @@ object RequirementNotMetException : Exception("null was passed into an option th
  * @param options An array of [PatchOption]s.
  */
 class PatchOptions(vararg val options: PatchOption<*>) : Iterable<PatchOption<*>> {
-    private val register = buildMap {
-        for (option in options) {
-            if (containsKey(option.key)) {
-                throw IllegalStateException("Multiple options found with the same key")
-            }
-            put(option.key, option)
+    private val register = mutableMapOf<String, PatchOption<*>>()
+
+    init {
+        options.forEach { register(it) }
+    }
+
+    internal fun register(option: PatchOption<*>) {
+        if (register.containsKey(option.key)) {
+            throw IllegalStateException("Multiple options found with the same key")
         }
+        register[option.key] = option
     }
 
     /**
@@ -91,7 +95,7 @@ sealed class PatchOption<T>(
      * Gets the value of the option.
      * Please note that using the wrong value type results in a runtime error.
      */
-    operator fun <T> getValue(thisRef: Nothing?, property: KProperty<*>) = value as T
+    operator fun <T> getValue(thisRef: Any?, property: KProperty<*>) = value as T
 
     /**
      * Gets the value of the option.

src/test/kotlin/app/revanced/patcher/patch/PatchOptionsTest.kt

@@ -7,7 +7,7 @@ import java.io.File
 import kotlin.test.assertNotEquals
 
 internal class PatchOptionsTest {
-    private val options = ExampleBytecodePatch().options
+    private val options = ExampleBytecodePatch.options
 
     @Test
     fun `should not throw an exception`() {
@@ -16,21 +16,25 @@ internal class PatchOptionsTest {
                 is PatchOption.StringOption -> {
                     option.value = "Hello World"
                 }
+
                 is PatchOption.BooleanOption -> {
                     option.value = false
                 }
+
                 is PatchOption.StringListOption -> {
                     option.value = option.options.first()
                     for (choice in option.options) {
                         println(choice)
                     }
                 }
+
                 is PatchOption.IntListOption -> {
                     option.value = option.options.first()
                     for (choice in option.options) {
                         println(choice)
                     }
                 }
+
                 is PatchOption.PathOption -> {
                     option.value = File("test.txt").toPath()
                 }

src/test/kotlin/app/revanced/patcher/usage/bytecode/ExampleBytecodePatch.kt

@@ -7,8 +7,8 @@ import app.revanced.patcher.data.impl.BytecodeData
 import app.revanced.patcher.extensions.addInstructions
 import app.revanced.patcher.extensions.or
 import app.revanced.patcher.extensions.replaceInstruction
+import app.revanced.patcher.patch.OptionsContainer
 import app.revanced.patcher.patch.PatchOption
-import app.revanced.patcher.patch.PatchOptions
 import app.revanced.patcher.patch.PatchResult
 import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.patch.annotations.DependsOn
@@ -33,6 +33,7 @@ import org.jf.dexlib2.immutable.reference.ImmutableStringReference
 import org.jf.dexlib2.immutable.value.ImmutableFieldEncodedValue
 import org.jf.dexlib2.util.Preconditions
 import java.io.File
+import java.nio.file.Path
 
 @Patch
 @Name("example-bytecode-patch")
@@ -47,6 +48,10 @@ class ExampleBytecodePatch : BytecodePatch(listOf(ExampleFingerprint)) {
         // Get the resolved method by its fingerprint from the resolver cache
         val result = ExampleFingerprint.result!!
 
+        // Patch options
+        println(key1)
+        key2 = false
+
         // Get the implementation for the resolved method
         val method = result.mutableMethod
         val implementation = method.implementation!!
@@ -165,21 +170,31 @@ class ExampleBytecodePatch : BytecodePatch(listOf(ExampleFingerprint)) {
         )
     }
 
-    override val options = PatchOptions(
-        PatchOption.StringOption(
-            "key1", "default", "title", "description", true
-        ),
-        PatchOption.BooleanOption(
-            "key2", true, "title", "description" // required defaults to false
-        ),
-        PatchOption.StringListOption(
-            "key3", "TEST", listOf("TEST", "TEST1", "TEST2"), "title", "description"
-        ),
-        PatchOption.IntListOption(
-            "key4", 1, listOf(1, 2, 3), "title", "description"
-        ),
-        PatchOption.PathOption(
-            "key5", File("test.txt").toPath(), "title", "description"
-        ),
-    )
+    companion object : OptionsContainer() {
+        private var key1: String by option(
+            PatchOption.StringOption(
+                "key1", "default", "title", "description", true
+            )
+        )
+        private var key2: Boolean by option(
+            PatchOption.BooleanOption(
+                "key2", true, "title", "description" // required defaults to false
+            )
+        )
+        private var key3: String by option(
+            PatchOption.StringListOption(
+                "key3", "TEST", listOf("TEST", "TEST1", "TEST2"), "title", "description"
+            )
+        )
+        private var key4: Int by option(
+            PatchOption.IntListOption(
+                "key4", 1, listOf(1, 2, 3), "title", "description"
+            )
+        )
+        private var key5: Path by option(
+            PatchOption.PathOption(
+                "key5", File("test.txt").toPath(), "title", "description"
+            )
+        )
+    }
 }