chore(release): 1.0.0-dev.16 [skip ci]

# [1.0.0-dev.16](https://github.com/revanced/revanced-patcher/compare/v1.0.0-dev.15...v1.0.0-dev.16) (2022-05-27)

### Bug Fixes

* `JarPatchBundle` loading non-class files to class loader ([3f0c740](3f0c740200))
* remove dependency to fork of Apktool ([0fa529f](0fa529fcdf))

### Features

* migrate to `DexPatchBundle` and `JarPatchBundle` ([7573db2](7573db2575))

.gitattributes

@@ -1,9 +0,0 @@
-#
-# https://help.github.com/articles/dealing-with-line-endings/
-#
-# Linux start script should use lf
-/gradlew        text eol=lf
-
-# These are Windows script files and should use crlf
-*.bat           text eol=crlf
-

.github/ISSUE_TEMPLATE/bug-issue.yml

@@ -1,72 +0,0 @@
-name: 🐞 Bug report
-description: Report a very clearly broken issue.
-title: 'bug: <title>'
-labels: [bug]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        # ReVanced bug report
-
-        Important to note that your issue may have already been reported before. Please check for existing issues [here](https://github.com/revanced/revanced-patcher/labels/bug).
-
-  - type: dropdown
-    attributes:
-      label: Type
-      options:
-        - Crash
-        - Cosmetic
-        - Other
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: Bug description
-      description: How did you find the bug? Any additional details that might help?
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: Steps to reproduce
-      description: Add the steps to reproduce this bug including your environment.
-      placeholder: Step 1. Download some files. Step 2. ...
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: Relevant log output
-      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
-      render: shell
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: Screenshots or videos
-      description: Add screenshots or videos that show the bug here.
-      placeholder: Drag and drop the screenshots/videos into this box.
-    validations:
-      required: false
-  - type: textarea
-    attributes:
-      label: Solution
-      description: If applicable, add a possible solution.
-    validations:
-      required: false
-  - type: textarea
-    attributes:
-      label: Additional context
-      description: Add additional context here.
-    validations:
-      required: false
-  - type: checkboxes
-    id: acknowledgements
-    attributes:
-      label: Acknowledgements
-      description: Your issue will be closed if you haven't done these steps.
-      options:
-        - label: I have searched the existing issues and this is a new and no duplicate or related to another open issue.
-          required: true
-        - label: I have written a short but informative title.
-          required: true
-        - label: I filled out all of the requested information in this issue properly.
-          required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -1,8 +0,0 @@
-blank_issues_enabled: false
-contact_links:
-  - name: 📃 Documentation
-    url: https://github.com/revanced/revanced-documentation/
-    about: Don't know how or where to start? Check out our documentation!
-  - name: 🗨 Discussions
-    url: https://github.com/revanced/revanced-suggestions/discussions
-    about: Got something you think should change or be added? Search for or start a new discussion!

.github/ISSUE_TEMPLATE/feature-issue.yml

@@ -1,58 +0,0 @@
-name: ⭐ Feature request
-description: Create a detailed feature request.
-title: 'feat: <title>'
-labels: [feature-request]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        # ReVanced feature request
-        
-        Do not submit requests for patches here. Please submit them [here](https://github.com/orgs/revanced/discussions/categories/patches) instead.
-        Important to note that your feature request may have already been made before. Please check for existing feature requests [here](https://github.com/revanced/revanced-patcher/labels/feature-request).
-
-  - type: dropdown
-    attributes:
-      label: Type
-      options:
-        - Functionality
-        - Cosmetic
-        - Other
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: Issue
-      description: What is the current problem. Why does it require a feature request?
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: Feature
-      description: Describe your feature in detail. How does it solve the issue?
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: Motivation
-      description: Why should your feature should be considered?
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: Additional context
-      description: Add additional context here.
-    validations:
-      required: false
-  - type: checkboxes
-    id: acknowledgements
-    attributes:
-      label: Acknowledgements
-      description: Your issue will be closed if you haven't done these steps.
-      options:
-        - label: I have searched the existing issues and this is a new and no duplicate or related to another open issue.
-          required: true
-        - label: I have written a short but informative title.
-          required: true
-        - label: I filled out all of the requested information in this issue properly.
-          required: true

.github/config.yml

@@ -1,2 +0,0 @@
-firstPRMergeComment: >
-  Thank you for contributing to ReVanced. Join us on [Discord](https://revanced.app/discord) if you want to receive a contributor role.

.github/workflows/pull_request.yml

@@ -1,25 +0,0 @@
-name: PR to main
-
-on:
-  push:
-    branches:
-      - dev
-  workflow_dispatch:
-
-env:
-  MESSAGE: merge branch `${{ github.head_ref || github.ref_name }}` to `main`
-
-jobs:
-  pull-request:
-    name: Open pull request
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Open pull request
-        uses: repo-sync/pull-request@v2
-        with:
-          destination_branch: 'main'
-          pr_title: 'chore: ${{ env.MESSAGE }}'
-          pr_body: 'This pull request will ${{ env.MESSAGE }}.'
-          pr_draft: true

.github/workflows/release.yml

@@ -1,5 +1,4 @@
 name: Release
-
 on:
   workflow_dispatch:
   push:
@@ -10,36 +9,34 @@ on:
     branches:
       - main
       - dev
-
 jobs:
   release:
     name: Release
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
-          # Make sure the release step uses its own credentials:
-          # https://github.com/cycjimmy/semantic-release-action#private-packages
-          persist-credentials: false
           fetch-depth: 0
-      - name: Cache
-        uses: actions/cache@v3
+      - name: Setup JDK
+        uses: actions/setup-java@v2
         with:
-          path: |
-            ${{ runner.home }}/.gradle/caches
-            ${{ runner.home }}/.gradle/wrapper
-            .gradle
-            build
-            node_modules
-          key: ${{ runner.os }}-gradle-npm-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties', 'package-lock.json') }}
+          java-version: '17'
+          distribution: 'adopt'
+          cache: gradle
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: "lts/*"
+      - name: Make gradlew executable
+        run: chmod +x gradlew
       - name: Build with Gradle
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: ./gradlew clean --no-daemon
+        run: ./gradlew build
       - name: Setup semantic-release
-        run: npm install
+        run: npm install -g semantic-release @semantic-release/git @semantic-release/changelog gradle-semantic-release-plugin -D
       - name: Release
         env:
-          GITHUB_TOKEN: ${{ secrets.REPOSITORY_PUSH_ACCESS }}
-        run: npm exec semantic-release
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: npx semantic-release

.gitignore

@@ -74,7 +74,6 @@ cmake-build-*/
 
 # IntelliJ
 out/
-.idea/
 
 # mpeltonen/sbt-idea plugin
 .idea_modules/
@@ -116,9 +115,3 @@ gradle-app.setting
 
 # Avoid ignoring test resources
 !src/test/resources/*
-
-# Dependency directories
-node_modules/
-
-# Gradle props, to avoid sharing the gpr key
-gradle.properties

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/codeStyles/Project.xml

@@ -0,0 +1,10 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JetCodeStyleSettings>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </JetCodeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>

.idea/discord.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DiscordProjectSettings">
+    <option name="show" value="PROJECT_FILES" />
+    <option name="description" value="" />
+  </component>
+</project>

.idea/git_toolbox_prj.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GitToolBoxProjectSettings">
+    <option name="commitMessageIssueKeyValidationOverride">
+      <BoolValueOverride>
+        <option name="enabled" value="true" />
+      </BoolValueOverride>
+    </option>
+    <option name="commitMessageValidationEnabledOverride">
+      <BoolValueOverride>
+        <option name="enabled" value="true" />
+      </BoolValueOverride>
+    </option>
+  </component>
+</project>

.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="UnusedSymbol" enabled="false" level="WARNING" enabled_by_default="false" />
+  </profile>
+</component>

.idea/misc.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="azul-17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CommitMessageInspectionProfile">
+    <profile version="1.0">
+      <inspection_tool class="CommitFormat" enabled="true" level="WARNING" enabled_by_default="true" />
+      <inspection_tool class="CommitNamingConvention" enabled="true" level="WARNING" enabled_by_default="true" />
+    </profile>
+  </component>
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.releaserc

@@ -20,18 +20,6 @@
         ]
       }
     ],
-    [
-      "@saithodev/semantic-release-backmerge",
-      {
-        backmergeBranches: [{"from": "main", "to": "dev"}],
-        clearWorkspace: true
-      }
-    ],
-    [
-        "@semantic-release/github",
-        {
-            successComment: false
-        }
-    ]
+    "@semantic-release/github"
   ]
 }

README.md

@@ -1,3 +1 @@
-# 💉 ReVanced Patcher
-
-ReVanced Patcher used to patch Android applications.
+# Patcher

arsclib-utils/.gitignore

@@ -1,42 +0,0 @@
-.gradle
-build/
-!gradle/wrapper/gradle-wrapper.jar
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store

arsclib-utils/build.gradle.kts

@@ -1,18 +0,0 @@
-plugins {
-    kotlin("jvm")
-    `maven-publish`
-}
-
-group = "app.revanced"
-
-dependencies {
-    implementation("io.github.reandroid:ARSCLib:1.1.7")
-}
-
-java {
-    withSourcesJar()
-}
-
-kotlin {
-    jvmToolchain(11)
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/ApkResourceException.kt

@@ -1,72 +0,0 @@
-package app.revanced.arsc
-
-/**
- * An exception thrown when there is an error with APK resources.
- *
- * @param message The exception message.
- * @param throwable The corresponding [Throwable].
- */
-sealed class ApkResourceException(message: String, throwable: Throwable? = null) : Exception(message, throwable) {
-    /**
-     * An exception when locking resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-    class Locked(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-
-    /**
-     * An exception when writing resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-     class Write(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-
-    /**
-     * An exception when reading resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-    class Read(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-    /**
-     * An exception when decoding resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-    class Decode(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-
-    /**
-     * An exception when encoding resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-    class Encode(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-
-    /**
-     * An exception thrown when a reference could not be resolved.
-     *
-     * @param reference The invalid reference.
-     * @param throwable The corresponding [Throwable].
-     */
-    class InvalidReference(reference: String, throwable: Throwable? = null) :
-        ApkResourceException("Failed to resolve: $reference", throwable) {
-
-        /**
-         * An exception thrown when a reference could not be resolved.
-         *
-         * @param type The type of the reference.
-         * @param name The name of the reference.
-         * @param throwable The corresponding [Throwable].
-         */
-        constructor(type: String, name: String, throwable: Throwable? = null) : this("@$type/$name", throwable)
-    }
-
-    /**
-     * An exception thrown when the Apk file not have a resource table, but was expected to have one.
-     */
-    class MissingResourceTable : ApkResourceException("Apk does not have a resource table.")
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/archive/Archive.kt

@@ -1,28 +0,0 @@
-@file:Suppress("MemberVisibilityCanBePrivate")
-
-package app.revanced.arsc.archive
-
-import app.revanced.arsc.resource.ResourceContainer
-import com.reandroid.apk.ApkModule
-import com.reandroid.apk.DexFileInputSource
-import com.reandroid.archive.InputSource
-import java.io.File
-import java.io.Flushable
-
-/**
- * A class for reading/writing files in an [ApkModule].
- *
- * @param module The [ApkModule] to operate on.
- */
-class Archive(internal val module: ApkModule) : Flushable {
-    val mainPackageResources = ResourceContainer(this, module.tableBlock)
-
-    fun save(output: File) {
-        flush()
-        module.writeApk(output)
-    }
-    fun readDexFiles(): MutableList<DexFileInputSource> = module.listDexFiles()
-    fun write(inputSource: InputSource) = module.apkArchive.add(inputSource) // Overwrites existing files.
-    fun read(name: String): InputSource? = module.apkArchive.getInputSource(name)
-    override fun flush() = mainPackageResources.flush()
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/logging/Logger.kt

@@ -1,7 +0,0 @@
-package app.revanced.arsc.logging
-interface Logger {
-    fun error(msg: String)
-    fun warn(msg: String)
-    fun info(msg: String)
-    fun trace(msg: String)
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/resource/Resource.kt

@@ -1,166 +0,0 @@
-package app.revanced.arsc.resource
-
-import app.revanced.arsc.ApkResourceException
-import com.reandroid.arsc.coder.EncodeResult
-import com.reandroid.arsc.coder.ValueDecoder
-import com.reandroid.arsc.value.Entry
-import com.reandroid.arsc.value.ValueType
-import com.reandroid.arsc.value.array.ArrayBag
-import com.reandroid.arsc.value.array.ArrayBagItem
-import com.reandroid.arsc.value.plurals.PluralsBag
-import com.reandroid.arsc.value.plurals.PluralsBagItem
-import com.reandroid.arsc.value.plurals.PluralsQuantity
-import com.reandroid.arsc.value.style.StyleBag
-import com.reandroid.arsc.value.style.StyleBagItem
-
-/**
- * A resource value.
- */
-sealed class Resource {
-    internal abstract fun write(entry: Entry, resources: ResourceContainer)
-}
-
-internal val Resource.isComplex get() = when (this) {
-    is Scalar -> false
-    is Complex -> true
-}
-
-/**
- * A simple resource.
- */
-open class Scalar internal constructor(private val valueType: ValueType, private val value: Int) : Resource() {
-    protected open fun data(resources: ResourceContainer) = value
-
-    override fun write(entry: Entry, resources: ResourceContainer) {
-        entry.setValueAsRaw(valueType, data(resources))
-    }
-
-    internal open fun toArrayItem(resources: ResourceContainer) = ArrayBagItem.create(valueType, data(resources))
-    internal open fun toStyleItem(resources: ResourceContainer) = StyleBagItem.create(valueType, data(resources))
-}
-
-/**
- * A marker class for complex resources.
- */
-sealed class Complex : Resource()
-
-private fun encoded(encodeResult: EncodeResult?) = encodeResult?.let { Scalar(it.valueType, it.value) }
-    ?: throw ApkResourceException.Encode("Failed to encode value")
-
-/**
- * Encode a color.
- *
- * @param hex The hex value of the color.
- * @return The encoded [Resource].
- */
-fun color(hex: String) = encoded(ValueDecoder.encodeColor(hex))
-
-/**
- * Encode a dimension or fraction.
- *
- * @param value The dimension value such as 24dp.
- * @return The encoded [Resource].
- */
-fun dimension(value: String) = encoded(ValueDecoder.encodeDimensionOrFraction(value))
-
-/**
- * Encode a boolean resource.
- *
- * @param value The boolean.
- * @return The encoded [Resource].
- */
-fun boolean(value: Boolean) = Scalar(ValueType.INT_BOOLEAN, if (value) -Int.MAX_VALUE else 0)
-
-/**
- * Encode a float.
- *
- * @param n The number to encode.
- * @return The encoded [Resource].
- */
-fun float(n: Float) = Scalar(ValueType.FLOAT, n.toBits())
-
-/**
- * Create an integer [Resource].
- *
- * @param n The number to encode.
- * @return The integer [Resource].
- */
-fun integer(n: Int) = Scalar(ValueType.INT_DEC, n)
-
-/**
- * Create a reference [Resource].
- *
- * @param resourceId The target resource.
- * @return The reference resource.
- */
-fun reference(resourceId: Int) = Scalar(ValueType.REFERENCE, resourceId)
-
-/**
- * Resolve and create a reference [Resource].
- *
- * @see reference
- * @param ref The reference string to resolve.
- * @param resourceTable The resource table to resolve the reference with.
- * @return The reference resource.
- */
-fun reference(resourceTable: ResourceTable, ref: String) = reference(resourceTable.resolve(ref))
-
-/**
- * An array [Resource].
- *
- * @param elements The elements of the array.
- */
-class Array(private val elements: Collection<Scalar>) : Complex() {
-    override fun write(entry: Entry, resources: ResourceContainer) {
-        ArrayBag.create(entry).addAll(elements.map { it.toArrayItem(resources) })
-    }
-}
-
-/**
- * A style resource.
- *
- * @param elements The attributes to override.
- * @param parent A reference to the parent style.
- */
-class Style(private val elements: Map<String, Scalar>, private val parent: String? = null) : Complex() {
-    override fun write(entry: Entry, resources: ResourceContainer) {
-        val resTable = resources.resourceTable
-        val style = StyleBag.create(entry)
-        parent?.let {
-            style.parentId = resTable.resolve(parent)
-        }
-
-        style.putAll(
-            elements.asIterable().associate {
-                StyleBag.resolve(resTable.encodeMaterials, it.key) to it.value.toStyleItem(resources)
-            })
-    }
-}
-
-/**
- * A quantity string [Resource].
- *
- * @param elements A map of the quantity to the corresponding string.
- */
-class Plurals(private val elements: Map<String, String>) : Complex() {
-    override fun write(entry: Entry, resources: ResourceContainer) {
-        val plurals = PluralsBag.create(entry)
-
-        plurals.putAll(elements.asIterable().associate { (k, v) ->
-            PluralsQuantity.value(k) to PluralsBagItem.string(resources.getOrCreateString(v))
-        })
-    }
-}
-
-/**
- * A string [Resource].
- *
- * @param value The string value.
- */
-class StringResource(val value: String) : Scalar(ValueType.STRING, 0) {
-    private fun tableString(resources: ResourceContainer) = resources.getOrCreateString(value)
-
-    override fun data(resources: ResourceContainer) = tableString(resources).index
-    override fun toArrayItem(resources: ResourceContainer) = ArrayBagItem.string(tableString(resources))
-    override fun toStyleItem(resources: ResourceContainer) = StyleBagItem.string(tableString(resources))
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/resource/ResourceContainer.kt

@@ -1,167 +0,0 @@
-package app.revanced.arsc.resource
-
-import app.revanced.arsc.ApkResourceException
-import app.revanced.arsc.archive.Archive
-import com.reandroid.apk.xmlencoder.EncodeUtil
-import com.reandroid.arsc.chunk.TableBlock
-import com.reandroid.arsc.chunk.xml.ResXmlDocument
-import com.reandroid.arsc.value.Entry
-import com.reandroid.arsc.value.ResConfig
-import java.io.Closeable
-import java.io.File
-import java.io.Flushable
-
-class ResourceContainer(private val archive: Archive, internal val tableBlock: TableBlock) : Flushable {
-    private val packageBlock = tableBlock.pickOne() // Pick the main package block.
-    internal lateinit var resourceTable: ResourceTable // TODO: Set this.
-
-    private val lockedResourceFileNames = mutableSetOf<String>()
-
-    private fun lock(resourceFile: ResourceFile) {
-        if (resourceFile.name in lockedResourceFileNames) {
-            throw ApkResourceException.Locked("Resource file ${resourceFile.name} is already locked.")
-        }
-
-        lockedResourceFileNames.add(resourceFile.name)
-    }
-
-    private fun unlock(resourceFile: ResourceFile) {
-        lockedResourceFileNames.remove(resourceFile.name)
-    }
-
-
-    fun <T : ResourceFile> openResource(name: String): ResourceFileEditor<T> {
-        val inputSource = archive.read(name)
-            ?: throw ApkResourceException.Read("Resource file $name not found.")
-
-        val resourceFile = when {
-            ResXmlDocument.isResXmlBlock(inputSource.openStream()) -> {
-                val xmlDocument = archive.module
-                    .loadResXmlDocument(inputSource)
-                    .decodeToXml(resourceTable.entryStore, packageBlock.id)
-
-                ResourceFile.XmlResourceFile(name, xmlDocument)
-            }
-
-            else -> {
-                val bytes = inputSource.openStream().use { it.readAllBytes() }
-
-                ResourceFile.BinaryResourceFile(name, bytes)
-            }
-        }
-
-        try {
-            @Suppress("UNCHECKED_CAST")
-            return ResourceFileEditor(resourceFile as T).also {
-                lockedResourceFileNames.add(name)
-            }
-        } catch (e: ClassCastException) {
-            throw ApkResourceException.Decode("Resource file $name is not ${resourceFile::class}.", e)
-        }
-    }
-
-    inner class ResourceFileEditor<T : ResourceFile> internal constructor(
-        private val resourceFile: T,
-    ) : Closeable {
-        fun use(block: (T) -> Unit) = block(resourceFile)
-        override fun close() {
-            lockedResourceFileNames.remove(resourceFile.name)
-        }
-    }
-
-    override fun flush() {
-        TODO("Not yet implemented")
-    }
-
-    /**
-     * Open a resource file, creating it if the file does not exist.
-     *
-     * @param path The resource file path.
-     * @return The corresponding [ResourceFiles],
-     */
-    fun openFile(path: String) = ResourceFiles(createHandle(path), archive)
-
-    private fun getPackageBlock() = packageBlock ?: throw ApkResourceException.MissingResourceTable
-
-    internal fun getOrCreateString(value: String) =
-        tableBlock?.stringPool?.getOrCreate(value) ?: throw ApkResourceException.MissingResourceTable
-
-    private fun Entry.set(resource: Resource) {
-        val existingEntryNameReference = specReference
-
-        // Sets this.specReference if the entry is not yet initialized.
-        // Sets this.specReference to 0 if the resource type of the existing entry changes.
-        ensureComplex(resource.isComplex)
-
-        if (existingEntryNameReference != 0) {
-            // Preserve the entry name by restoring the previous spec block reference (if present).
-            specReference = existingEntryNameReference
-        }
-
-        resource.write(this, this@ResourceContainer)
-        resourceTable.registerChanged(this)
-    }
-
-    /**
-     * Retrieve an [Entry] from the resource table.
-     *
-     * @param type The resource type.
-     * @param name The resource name.
-     * @param qualifiers The variant to use.
-     */
-    private fun getEntry(type: String, name: String, qualifiers: String?): Entry? {
-        val resourceId = try {
-            resourceTable.resolve("@$type/$name")
-        } catch (_: ApkResourceException.InvalidReference) {
-            return null
-        }
-
-        val config = ResConfig.parse(qualifiers)
-        return tableBlock?.resolveReference(resourceId)?.singleOrNull { it.resConfig == config }
-    }
-
-    /**
-     * Create a [ResourceFiles.Handle] that can be used to open a [ResourceFiles].
-     * This may involve looking it up in the resource table to find the actual location in the archive.
-     *
-     * @param path The path of the resource.
-     */
-    private fun createHandle(path: String): ResourceFiles.Handle {
-        if (path.startsWith("res/values")) throw ApkResourceException.Decode("Decoding the resource table as a file is not supported")
-
-        var onClose = {}
-        var archivePath = path
-
-        if (tableBlock != null && path.startsWith("res/") && path.count { it == '/' } == 2) {
-            val file = File(path)
-
-            val qualifiers = EncodeUtil.getQualifiersFromResFile(file)
-            val type = EncodeUtil.getTypeNameFromResFile(file)
-            val name = file.nameWithoutExtension
-
-            // The resource file names that the app developers used may have been minified, so we have to resolve it with the resource table.
-            // Example: res/drawable-hdpi/icon.png -> res/4a.png
-            getEntry(type, name, qualifiers)?.resValue?.valueAsString?.let {
-                archivePath = it
-            } ?: run {
-                // An entry for this specific resource file was not found in the resource table, so we have to register it after we save.
-                onClose = { setResource(type, name, StringResource(archivePath), qualifiers) }
-            }
-        }
-
-        return ResourceFiles.Handle(path, archivePath, onClose)
-    }
-
-    fun setResource(type: String, entryName: String, resource: Resource, qualifiers: String? = null) =
-        getPackageBlock().getOrCreate(qualifiers, type, entryName).also { it.set(resource) }.resourceId
-
-    fun setResources(type: String, resources: Map<String, Resource>, configuration: String? = null) {
-        getPackageBlock().getOrCreateSpecTypePair(type).getOrCreateTypeBlock(configuration).apply {
-            resources.forEach { (entryName, resource) -> getOrCreateEntry(entryName).set(resource) }
-        }
-    }
-
-    override fun flush() {
-        packageBlock?.name = archive
-    }
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/resource/ResourceFiles.kt

@@ -1,91 +0,0 @@
-package app.revanced.arsc.resource
-
-import app.revanced.arsc.ApkResourceException
-import app.revanced.arsc.archive.Archive
-import com.reandroid.archive.InputSource
-import com.reandroid.xml.XMLDocument
-import com.reandroid.xml.XMLException
-import java.io.*
-
-
-abstract class ResourceFile(val name: String) {
-    internal var realName: String? = null
-
-    class XmlResourceFile(name: String, val document: XMLDocument) : ResourceFile(name)
-    class BinaryResourceFile(name: String, var bytes: ByteArray) : ResourceFile(name)
-}
-
-
-class ResourceFiles private constructor(
-) : Closeable {
-
-    /**
-     * Instantiate a [ResourceFiles].
-     *
-     * @param handle The [Handle] associated with this file.
-     * @param archive The [Archive] that the file resides in.
-     */
-    internal constructor(handle: Handle, archive: Archive) : this(
-        handle,
-        archive,
-        try {
-            archive.read(handle.archivePath)
-        } catch (e: XMLException) {
-            throw ApkResourceException.Decode("Failed to decode XML while reading ${handle.virtualPath}", e)
-        } catch (e: IOException) {
-            throw ApkResourceException.Decode("Could not read ${handle.virtualPath}", e)
-        }
-    )
-
-    companion object {
-        const val DEFAULT_BUFFER_SIZE = 1024
-    }
-
-    var contents = readResult?.data ?: ByteArray(0)
-        set(value) {
-            pendingWrite = true
-            field = value
-        }
-
-    val exists = readResult != null
-
-    override fun toString() = handle.virtualPath
-
-    override fun close() {
-        if (pendingWrite) {
-            val path = handle.archivePath
-
-            if (isXmlResource) archive.writeXml(
-                path,
-                try {
-                    XMLDocument.load(inputStream())
-                } catch (e: XMLException) {
-                    throw ApkResourceException.Encode("Failed to parse XML while writing ${handle.virtualPath}", e)
-                }
-
-            ) else archive.writeRaw(path, contents)
-        }
-
-        handle.onClose()
-
-
-        archive.unlock(this)
-    }
-
-    fun inputStream(): InputStream = ByteArrayInputStream(contents)
-
-    fun outputStream(bufferSize: Int = DEFAULT_BUFFER_SIZE): OutputStream =
-        object : ByteArrayOutputStream(bufferSize) {
-            override fun close() {
-                this@ResourceFiles.contents = if (buf.size > count) buf.copyOf(count) else buf
-                super.close()
-            }
-        }
-
-    /**
-     * @param virtualPath The resource file path. Example: /res/drawable-hdpi/icon.png.
-     * @param archivePath The actual file path in the archive. Example: res/4a.png.
-     * @param onClose An action to perform when the file associated with this handle is closed
-     */
-    internal data class Handle(val virtualPath: String, val archivePath: String, val onClose: () -> Unit)
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/resource/ResourceTable.kt

@@ -1,100 +0,0 @@
-package app.revanced.arsc.resource
-
-import app.revanced.arsc.ApkResourceException
-import com.reandroid.apk.xmlencoder.EncodeException
-import com.reandroid.apk.xmlencoder.EncodeMaterials
-import com.reandroid.arsc.util.FrameworkTable
-import com.reandroid.arsc.value.Entry
-import com.reandroid.common.TableEntryStore
-
-/**
- * A high-level API for resolving resources in the resource table, which spans the entire ApkBundle.
- */
-class ResourceTable(base: ResourceContainer, all: Sequence<ResourceContainer>) {
-    private val packageName = base.tableBlock!!.name
-
-    /**
-     * A [TableEntryStore] used to decode XML.
-     */
-    internal val entryStore = TableEntryStore()
-
-    /**
-     * The [EncodeMaterials] to use for resolving resources and encoding XML.
-     */
-    internal val encodeMaterials: EncodeMaterials = object : EncodeMaterials() {
-        /*
-        Our implementation is more efficient because it does not have to loop through every single entry group
-        when the resource id cannot be found in the TableIdentifier, which does not update when you create a new resource.
-        It also looks at the entire table instead of just the current package.
-        */
-        override fun resolveLocalResourceId(type: String, name: String) = resolveLocal(type, name)
-    }
-
-    /**
-     * The resource mappings which are generated when the ApkBundle is created.
-     */
-    private val tableIdentifier = encodeMaterials.tableIdentifier
-
-    /**
-     * A table of all the resources that have been changed or added.
-     */
-    private val modifiedResources = HashMap<String, HashMap<String, Int>>()
-
-
-    /**
-     * Resolve a resource id for the specified resource.
-     * Cannot resolve resources from the android framework.
-     *
-     * @param type The type of the resource.
-     * @param name The name of the resource.
-     * @return The id of the resource.
-     */
-    fun resolveLocal(type: String, name: String) =
-        modifiedResources[type]?.get(name)
-            ?: tableIdentifier.get(packageName, type, name)?.resourceId
-            ?: throw ApkResourceException.InvalidReference(
-                type,
-                name
-            )
-
-    /**
-     * Resolve a resource id for the specified resource.
-     *
-     * @param reference The resource reference string.
-     * @return The id of the resource.
-     */
-    fun resolve(reference: String) = try {
-        encodeMaterials.resolveReference(reference)
-    } catch (e: EncodeException) {
-        throw ApkResourceException.InvalidReference(reference, e)
-    }
-
-    /**
-     * Notify the [ResourceTable] that an [Entry] has been created or modified.
-     */
-    internal fun registerChanged(entry: Entry) {
-        modifiedResources.getOrPut(entry.typeName, ::HashMap)[entry.name] = entry.resourceId
-    }
-
-    init {
-        all.forEach {
-            it.tableBlock?.let { table ->
-                entryStore.add(table)
-                tableIdentifier.load(table)
-            }
-
-            it.resourceTable = this
-        }
-
-        base.also {
-            encodeMaterials.currentPackage = it.tableBlock
-
-            it.tableBlock!!.frameWorks.forEach { fw ->
-                if (fw is FrameworkTable) {
-                    entryStore.add(fw)
-                    encodeMaterials.addFramework(fw)
-                }
-            }
-        }
-    }
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/xml/LazyXMLEncodeSource.kt

@@ -1,56 +0,0 @@
-package app.revanced.arsc.xml
-
-import app.revanced.arsc.resource.ResourceContainer
-import app.revanced.arsc.resource.boolean
-import com.reandroid.apk.xmlencoder.EncodeException
-import com.reandroid.apk.xmlencoder.XMLEncodeSource
-import com.reandroid.arsc.chunk.xml.ResXmlDocument
-import com.reandroid.xml.XMLDocument
-import com.reandroid.xml.XMLElement
-import com.reandroid.xml.source.XMLDocumentSource
-
-/**
- * Archive input source to lazily encode an [XMLDocument] after it has been modified.
- *
- * @param name The file name of this input source.
- * @param document The [XMLDocument] to encode.
- * @param resources The [ResourceContainer] to use for encoding.
- */
-internal class LazyXMLEncodeSource(
-    name: String,
-    val document: XMLDocument,
-    private val resources: ResourceContainer
-) : XMLEncodeSource(resources.resourceTable.encodeMaterials, XMLDocumentSource(name, document)) {
-    private var encoded = false
-
-    override fun getResXmlBlock(): ResXmlDocument {
-        if (encoded) return super.getResXmlBlock()
-
-        XMLEncodeSource(resources.resourceTable.encodeMaterials, XMLDocumentSource(name, document))
-        
-        fun XMLElement.registerIds() {
-            listAttributes().forEach { attr ->
-                if (!attr.value.startsWith("@+id/")) return@forEach
-
-                val name = attr.value.split('/').last()
-                resources.setResource("id", name, boolean(false))
-                attr.value = "@id/$name"
-            }
-
-            listChildElements().forEach { it.registerIds() }
-        }
-
-        // Handle all @+id/id_name references in the document.
-        document.documentElement.registerIds()
-
-        encoded = true
-
-        // This will call XMLEncodeSource.getResXmlBlock(),
-        // which will encode the document if it has not already been encoded.
-        try {
-            return super.getResXmlBlock()
-        } catch (e: EncodeException) {
-            throw EncodeException("Failed to encode $name", e)
-        }
-    }
-}

build.gradle.kts

@@ -1,3 +1,74 @@
 plugins {
-    kotlin("jvm") version "1.8.20" apply false
+    kotlin("jvm") version "1.6.21"
+    java
+    `maven-publish`
 }
+
+group = "app.revanced"
+
+repositories {
+    mavenCentral()
+    maven {
+        url = uri("https://maven.pkg.github.com/revanced/multidexlib2")
+        credentials {
+            // DO NOT set these variables in the project's gradle.properties.
+            // Instead, you should set them in:
+            // Windows: %homepath%\.gradle\gradle.properties
+            // Linux: ~/.gradle/gradle.properties
+            username =
+                project.findProperty("gpr.user") as String? ?: System.getenv("GITHUB_ACTOR") // DO NOT CHANGE!
+            password =
+                project.findProperty("gpr.key") as String? ?: System.getenv("GITHUB_TOKEN") // DO NOT CHANGE!
+        }
+    }
+}
+
+dependencies {
+    implementation(kotlin("stdlib"))
+
+    api("xpp3:xpp3:1.1.4c")
+    api("org.apktool:apktool-lib:2.6.1")
+    api("app.revanced:multidexlib2:2.5.2.r2")
+    api("org.smali:smali:2.5.2")
+
+    testImplementation(kotlin("test"))
+    implementation(kotlin("reflect"))
+}
+
+tasks {
+    test {
+        useJUnitPlatform()
+        testLogging {
+            events("PASSED", "SKIPPED", "FAILED")
+        }
+    }
+}
+
+java {
+    withSourcesJar()
+    withJavadocJar()
+}
+
+val isGitHubCI = System.getenv("GITHUB_ACTOR") != null
+
+publishing {
+    repositories {
+        if (isGitHubCI) {
+            maven {
+                name = "GitHubPackages"
+                url = uri("https://maven.pkg.github.com/revanced/revanced-patcher")
+                credentials {
+                    username = System.getenv("GITHUB_ACTOR")
+                    password = System.getenv("GITHUB_TOKEN")
+                }
+            }
+        } else {
+            mavenLocal()
+        }
+    }
+    publications {
+        register<MavenPublication>("gpr") {
+            from(components["java"])
+        }
+    }
+}

gradle.properties

@@ -1,4 +1,2 @@
-org.gradle.parallel=true
-org.gradle.caching=true
 kotlin.code.style = official
-version = 11.0.4
+version = 1.0.0-dev.16

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
-networkTimeout=10000
-validateDistributionUrl=true
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015-2021 the original authors.
+# Copyright <EFBFBD> 2015-2021 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -32,10 +32,10 @@
 #       Busybox and similar reduced shells will NOT work, because this script
 #       requires all of these POSIX shell features:
 #         * functions;
-#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
-#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
-#         * compound commands having a testable exit status, especially «case»;
-#         * various built-in commands including «command», «set», and «ulimit».
+#         * expansions <EFBFBD>$var<EFBFBD>, <EFBFBD>${var}<EFBFBD>, <EFBFBD>${var:-default}<EFBFBD>, <EFBFBD>${var+SET}<EFBFBD>,
+#           <EFBFBD>${var#prefix}<EFBFBD>, <EFBFBD>${var%suffix}<EFBFBD>, and <EFBFBD>$( cmd )<EFBFBD>;
+#         * compound commands having a testable exit status, especially <EFBFBD>case<EFBFBD>;
+#         * various built-in commands including <EFBFBD>command<EFBFBD>, <EFBFBD>set<EFBFBD>, and <EFBFBD>ulimit<EFBFBD>.
 #
 #   Important for patching:
 #
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,11 +80,14 @@ do
     esac
 done
 
-# This is normally unused
-# shellcheck disable=SC2034
-APP_BASE_NAME=${0##*/}
 APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
+APP_NAME="Gradle"
+APP_BASE_NAME=${0##*/}
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
 
@@ -130,29 +133,22 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    if ! command -v java >/dev/null 2>&1
-    then
-        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
-    fi
 fi
 
 # Increase the maximum file descriptors if we can.
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
-        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
-        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -197,10 +193,6 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-
 # Collect all arguments for the java command;
 #   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
 #     shell script including quotes and variable substitutions, so put them in
@@ -213,12 +205,6 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
-# Stop when "xargs" is not available.
-if ! command -v xargs >/dev/null 2>&1
-then
-    die "xargs is not available"
-fi
-
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.

gradlew.bat

@@ -14,7 +14,7 @@
 @rem limitations under the License.
 @rem
 
-@if "%DEBUG%"=="" @echo off
+@if "%DEBUG%" == "" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,8 +25,7 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%"=="" set DIRNAME=.
-@rem This is normally unused
+if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -41,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if %ERRORLEVEL% equ 0 goto execute
+if "%ERRORLEVEL%" == "0" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -76,15 +75,13 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if %ERRORLEVEL% equ 0 goto mainEnd
+if "%ERRORLEVEL%"=="0" goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-set EXIT_CODE=%ERRORLEVEL%
-if %EXIT_CODE% equ 0 set EXIT_CODE=1
-if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
-exit /b %EXIT_CODE%
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal

package.json

@@ -1,9 +0,0 @@
-{
-  "devDependencies": {
-    "@saithodev/semantic-release-backmerge": "^3.1.0",
-    "@semantic-release/changelog": "^6.0.2",
-    "@semantic-release/git": "^10.0.1",
-    "gradle-semantic-release-plugin": "^1.7.6",
-    "semantic-release": "^20.1.0"
-  }
-}

revanced-patcher/build.gradle.kts

@@ -1,61 +0,0 @@
-plugins {
-    kotlin("jvm")
-    `maven-publish`
-}
-
-group = "app.revanced"
-
-dependencies {
-    implementation("xpp3:xpp3:1.1.4c")
-    implementation("app.revanced:smali:2.5.3-a3836654")
-    implementation("app.revanced:multidexlib2:2.5.3-a3836654")
-    implementation("io.github.reandroid:ARSCLib:1.1.7")
-    implementation(project(":arsclib-utils"))
-
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.1")
-    implementation("org.jetbrains.kotlin:kotlin-reflect:1.8.20-RC")
-    testImplementation("org.jetbrains.kotlin:kotlin-test:1.8.20-RC")
-
-    compileOnly("com.google.android:android:4.1.1.4")
-}
-
-tasks {
-    test {
-        useJUnitPlatform()
-        testLogging {
-            events("PASSED", "SKIPPED", "FAILED")
-        }
-    }
-    processResources {
-        expand("projectVersion" to project.version)
-    }
-}
-
-java {
-    withSourcesJar()
-}
-
-kotlin {
-    jvmToolchain(11)
-}
-
-publishing {
-    repositories {
-        if (System.getenv("GITHUB_ACTOR") != null)
-            maven {
-                name = "GitHubPackages"
-                url = uri("https://maven.pkg.github.com/revanced/revanced-patcher")
-                credentials {
-                    username = System.getenv("GITHUB_ACTOR")
-                    password = System.getenv("GITHUB_TOKEN")
-                }
-            }
-        else
-            mavenLocal()
-    }
-    publications {
-        register<MavenPublication>("gpr") {
-            from(components["java"])
-        }
-    }
-}

revanced-patcher/settings.gradle.kts

@@ -1 +0,0 @@
-rootProject.name = "revanced-patcher"

revanced-patcher/src/main/kotlin/app/revanced/patcher/Context.kt

@@ -1,113 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.arsc.resource.ResourceContainer
-import app.revanced.patcher.apk.Apk
-import app.revanced.patcher.apk.ApkBundle
-import app.revanced.arsc.resource.ResourceFiles
-import app.revanced.patcher.util.method.MethodWalker
-import org.jf.dexlib2.iface.Method
-import org.w3c.dom.Document
-import java.io.Closeable
-import java.io.InputStream
-import java.io.StringWriter
-import javax.xml.parsers.DocumentBuilderFactory
-import javax.xml.transform.TransformerFactory
-import javax.xml.transform.dom.DOMSource
-import javax.xml.transform.stream.StreamResult
-
-/**
- * A common class to constrain [Context] to [BytecodeContext] and [ResourceContext].
- * @param apkBundle The [ApkBundle] for this context.
- */
-sealed class Context(val apkBundle: ApkBundle)
-
-/**
- * A context for the bytecode of an [Apk.Base] file.
- *
- * @param apkBundle The [ApkBundle] for this context.
- */
-class BytecodeContext internal constructor(apkBundle: ApkBundle) : Context(apkBundle) {
-    /**
-     * The list of classes.
-     */
-    val classes = apkBundle.base.bytecodeData.classes
-
-    /**
-     * Create a [MethodWalker] instance for the current [BytecodeContext].
-     *
-     * @param startMethod The method to start at.
-     * @return A [MethodWalker] instance.
-     */
-    fun traceMethodCalls(startMethod: Method) = MethodWalker(this, startMethod)
-}
-
-/**
- * A context for [Apk] file resources.
- *
- * @param apkBundle the [ApkBundle] for this context.
- */
-class ResourceContext internal constructor(apkBundle: ApkBundle) : Context(apkBundle) {
-
-    /**
-     * Open an [DomFileEditor] for a given DOM file.
-     *
-     * @param inputStream The input stream to read the DOM file from.
-     * @return A [DomFileEditor] instance.
-     */
-    fun openXmlFile(inputStream: InputStream) = DomFileEditor(inputStream)
-}
-
-
-/**
- * Open a [DomFileEditor] for a resource file in the archive.
- *
- * @see [ResourceContainer.openFile]
- * @param path The resource file path.
- * @return A [DomFileEditor].
- */
-fun ResourceContainer.openXmlFile(path: String) = DomFileEditor(openFile(path))
-
-/**
- * Wrapper for a file that can be edited as a dom document.
- *
- * @param inputStream the input stream to read the xml file from.
- * @param onSave A callback that will be called when the editor is closed to save the file.
- */
-class DomFileEditor internal constructor(
-    private val inputStream: InputStream,
-    private val onSave: ((String) -> Unit)? = null
-) : Closeable {
-    private var closed: Boolean = false
-
-    /**
-     * The document of the xml file.
-     */
-    val file: Document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(inputStream)
-        .also(Document::normalize)
-
-    internal constructor(file: ResourceFiles) : this(
-        file.inputStream(),
-        {
-            file.contents = it.toByteArray()
-            file.close()
-        }
-    )
-
-    /**
-     * Closes the editor and writes back to the file.
-     */
-    override fun close() {
-        if (closed) return
-
-        inputStream.close()
-
-        onSave?.let { callback ->
-            // Save the updated file.
-            val writer = StringWriter()
-            TransformerFactory.newInstance().newTransformer().transform(DOMSource(file), StreamResult(writer))
-            callback(writer.toString())
-        }
-
-        closed = true
-    }
-}

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

@@ -1,222 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.patcher.apk.Apk
-import app.revanced.patcher.extensions.PatchExtensions.dependencies
-import app.revanced.patcher.extensions.PatchExtensions.patchName
-import app.revanced.patcher.extensions.PatchExtensions.requiresIntegrations
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint.Companion.resolveUsingLookupMap
-import app.revanced.patcher.patch.*
-import app.revanced.patcher.util.VersionReader
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.flow
-import lanchon.multidexlib2.BasicDexFileNamer
-import java.io.Closeable
-import java.io.File
-import java.util.function.Function
-
-typealias ExecutedPatchResults = Flow<Pair<String, PatchException?>>
-
-/**
- * The ReVanced Patcher.
- * @param options The options for the patcher.
- * @param patches The patches to use.
- * @param integrations The integrations to merge if necessary. Must be dex files or dex file container such as ZIP, APK or DEX files.
- */
-class Patcher(private val options: PatcherOptions, patches: Iterable<PatchClass>, integrations: Iterable<File>) :
-    Function<Boolean, ExecutedPatchResults> {
-    private val context = PatcherContext(options, patches.toList(), integrations)
-    private val logger = options.logger
-
-    companion object {
-        /**
-         * The version of the ReVanced Patcher.
-         */
-        @JvmStatic
-        val version = VersionReader.read()
-
-        @Suppress("SpellCheckingInspection")
-        internal val dexFileNamer = BasicDexFileNamer()
-    }
-
-    init {
-        /**
-         * Returns true if at least one patches or its dependencies matches the given predicate.
-         */
-        fun PatchClass.anyRecursively(predicate: (PatchClass) -> Boolean): Boolean =
-            predicate(this) || dependencies?.any { it.java.anyRecursively(predicate) } == true
-
-        // Determine if merging integrations is required.
-        for (patch in context.patches) {
-            if (patch.anyRecursively { it.requiresIntegrations }) {
-                context.integrations.merge = true
-                break
-            }
-        }
-    }
-
-    /**
-     * Execute the patcher.
-     *
-     * @param stopOnError If true, the patches will stop on the first error.
-     * @return A pair of the name of the [Patch] and a [PatchException] if it failed.
-     */
-    override fun apply(stopOnError: Boolean) = flow {
-        /**
-         * Execute a [Patch] and its dependencies recursively.
-         *
-         * @param patchClass The [Patch] to execute.
-         * @param executedPatches A map of [Patch]es paired to a boolean indicating their success, to prevent infinite recursion.
-         */
-        suspend fun executePatch(
-            patchClass: PatchClass,
-            executedPatches: HashMap<String, ExecutedPatch>
-        ) {
-            val patchName = patchClass.patchName
-
-            // If the patch has already executed silently skip it.
-            if (executedPatches.contains(patchName)) {
-                if (!executedPatches[patchName]!!.success)
-                    throw PatchException("'$patchName' did not succeed previously")
-
-                logger.trace("Skipping '$patchName' because it has already been executed")
-
-                return
-            }
-
-            // Recursively execute all dependency patches.
-            patchClass.dependencies?.forEach { dependencyClass ->
-                val dependency = dependencyClass.java
-
-                try {
-                    executePatch(dependency, executedPatches)
-                } catch (throwable: Throwable) {
-                    throw PatchException(
-                        "'$patchName' depends on '${dependency.patchName}' " +
-                                "but the following exception was raised: ${throwable.cause?.stackTraceToString() ?: throwable.message}",
-                        throwable
-                    )
-                }
-            }
-
-            val isResourcePatch = ResourcePatch::class.java.isAssignableFrom(patchClass)
-            val patchInstance = patchClass.getDeclaredConstructor().newInstance()
-
-            // TODO: implement this in a more polymorphic way.
-            val patchContext = if (isResourcePatch) {
-                context.resourceContext
-            } else {
-                context.bytecodeContext.apply {
-                    val bytecodePatch = patchInstance as BytecodePatch
-                    bytecodePatch.fingerprints?.resolveUsingLookupMap(context.bytecodeContext)
-                }
-            }
-
-            logger.trace("Executing '$patchName' of type: ${if (isResourcePatch) "resource" else "bytecode"}")
-
-            var success = false
-            try {
-                patchInstance.execute(patchContext)
-
-                success = true
-            } catch (patchException: PatchException) {
-                throw patchException
-            } catch (throwable: Throwable) {
-                throw PatchException("Unhandled patch exception: ${throwable.message}", throwable)
-            } finally {
-                executedPatches[patchName] = ExecutedPatch(patchInstance, success)
-            }
-        }
-
-        if (context.integrations.merge) context.integrations.merge(logger)
-
-        logger.trace("Initialize lookup maps for method MethodFingerprint resolution")
-
-        MethodFingerprint.initializeFingerprintResolutionLookupMaps(context.bytecodeContext)
-
-        logger.info("Executing patches")
-
-        // Key is patch name.
-        LinkedHashMap<String, ExecutedPatch>().apply {
-            context.patches.forEach { patch ->
-                var exception: PatchException? = null
-
-                try {
-                    executePatch(patch, this)
-                } catch (patchException: PatchException) {
-                    exception = patchException
-                }
-
-                // TODO: only emit if the patch is not a closeable.
-                //  If it is a closeable, this should be done when closing the patch.
-                emit(patch.patchName to exception)
-
-                if (stopOnError && exception != null) return@flow
-            }
-        }.let {
-            it.values
-                .filter(ExecutedPatch::success)
-                .map(ExecutedPatch::patchInstance)
-                .filterIsInstance(Closeable::class.java)
-                .asReversed().forEach { patch ->
-                    try {
-                        patch.close()
-                    } catch (throwable: Throwable) {
-                        val patchException =
-                            if (throwable is PatchException) throwable
-                            else PatchException(throwable)
-
-                        val patchName = (patch as Patch<Context>).javaClass.patchName
-
-                        logger.error("Failed to close '$patchName': ${patchException.stackTraceToString()}")
-
-                        emit(patchName to patchException)
-
-                        // This is not failsafe. If a patch throws an exception while closing,
-                        // the other patches that depend on it may fail.
-                        if (stopOnError) return@flow
-                    }
-                }
-        }
-
-        MethodFingerprint.clearFingerprintResolutionLookupMaps()
-    }
-
-    /**
-     * Finish patching all [Apk]s.
-     *
-     * @return The [PatcherResult] of the [Patcher].
-     */
-    fun finish(): PatcherResult {
-        val patchResults = buildList {
-            logger.info("Processing patched apks")
-            options.apkBundle.cleanup(options).forEach { result ->
-                if (result.exception != null) {
-                    logger.error("Got exception while processing ${result.apk}: ${result.exception.stackTraceToString()}")
-                    return@forEach
-                }
-
-                val patch = result.let {
-                    when (it.apk) {
-                        is Apk.Base -> PatcherResult.Patch.Base(it.apk)
-                        is Apk.Split -> PatcherResult.Patch.Split(it.apk)
-                    }
-                }
-
-                add(patch)
-
-                logger.info("Patched ${result.apk}")
-            }
-        }
-
-        return PatcherResult(patchResults)
-    }
-}
-
-/**
- * A result of executing a [Patch].
- *
- * @param patchInstance The instance of the [Patch] that was executed.
- * @param success The result of the [Patch].
- */
-internal data class ExecutedPatch(val patchInstance: Patch<Context>, val success: Boolean)

revanced-patcher/src/main/kotlin/app/revanced/patcher/PatcherContext.kt

@@ -1,55 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.patcher.logging.Logger
-import app.revanced.patcher.patch.PatchClass
-import app.revanced.patcher.util.ClassMerger.merge
-import lanchon.multidexlib2.MultiDexIO
-import java.io.File
-
-class PatcherContext(
-    options: PatcherOptions,
-    internal val patches: List<PatchClass>,
-    integrations: Iterable<File>
-) {
-    internal val integrations = Integrations(this, integrations)
-    internal val bytecodeContext = BytecodeContext(options.apkBundle)
-    internal val resourceContext = ResourceContext(options.apkBundle)
-
-    internal class Integrations(val context: PatcherContext, private val dexContainers: Iterable<File>) {
-        var merge = false
-
-        /**
-         * Merge integrations.
-         * @param logger A logger.
-         */
-        fun merge(logger: Logger) {
-            context.bytecodeContext.classes.apply {
-                for (integrations in dexContainers) {
-                    logger.info("Merging $integrations")
-
-                    for (classDef in MultiDexIO.readDexFile(true, integrations, Patcher.dexFileNamer, null, null).classes) {
-                        val type = classDef.type
-
-                        val existingClassIndex = this.indexOfFirst { it.type == type }
-                        if (existingClassIndex == -1) {
-                            logger.trace("Merging type $type")
-                            add(classDef)
-                            continue
-                        }
-
-
-                        logger.trace("Type $type exists. Adding missing methods and fields.")
-
-                        get(existingClassIndex).apply {
-                            merge(classDef, context.bytecodeContext, logger).let { mergedClass ->
-                                if (mergedClass !== this) // referential equality check
-                                    set(existingClassIndex, mergedClass)
-                            }
-                        }
-
-                    }
-                }
-            }
-        }
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/PatcherOptions.kt

@@ -1,14 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.patcher.apk.ApkBundle
-import app.revanced.patcher.logging.Logger
-
-/**
- * Options for the [Patcher].
- * @param apkBundle The [ApkBundle].
- * @param logger Custom logger implementation for the [Patcher].
- */
-class PatcherOptions(
-    internal val apkBundle: ApkBundle,
-    internal val logger: Logger = Logger.Nop
-)

revanced-patcher/src/main/kotlin/app/revanced/patcher/PatcherResult.kt

@@ -1,33 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.patcher.apk.Apk
-import java.io.File
-
-/**
- * The result of a patcher.
- * @param apkFiles The patched [Apk] files.
- */
-data class PatcherResult(val apkFiles: List<Patch>) {
-
-    /**
-     * The result of a patch.
-     *
-     * @param apk The patched [Apk] file.
-     */
-    sealed class Patch(val apk: Apk) {
-
-        /**
-         * The result of a patch of an [Apk.Split] file.
-         *
-         * @param apk The patched [Apk.Split] file.
-         */
-        class Split(apk: Apk.Split) : Patch(apk)
-
-        /**
-         * The result of a patch of an [Apk.Split] file.
-         *
-         * @param apk The patched [Apk.Base] file.
-         */
-        class Base(apk: Apk.Base) : Patch(apk)
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/annotation/CompatibilityAnnotation.kt

@@ -1,23 +0,0 @@
-package app.revanced.patcher.annotation
-
-import app.revanced.patcher.patch.Patch
-
-/**
- * Annotation to constrain a [Patch] to compatible packages.
- * @param compatiblePackages A list of packages a [Patch] is compatible with.
- */
-@Target(AnnotationTarget.CLASS)
-annotation class Compatibility(
-    val compatiblePackages: Array<Package>,
-)
-
-/**
- * Annotation to represent packages a patch can be compatible with.
- * @param name The package identifier name.
- * @param versions The versions of the package the [Patch] is compatible with.
- */
-@Target()
-annotation class Package(
-    val name: String,
-    val versions: Array<String> = [],
-)

revanced-patcher/src/main/kotlin/app/revanced/patcher/annotation/MetadataAnnotation.kt

@@ -1,32 +0,0 @@
-package app.revanced.patcher.annotation
-
-import app.revanced.patcher.patch.Patch
-
-/**
- * Annotation to name a [Patch].
- * @param name A suggestive name for the [Patch].
- */
-@Target(AnnotationTarget.CLASS)
-annotation class Name(
-    val name: String,
-)
-
-/**
- * Annotation to describe a [Patch].
- * @param description A description for the [Patch].
- */
-@Target(AnnotationTarget.CLASS)
-annotation class Description(
-    val description: String,
-)
-
-
-/**
- * Annotation to version a [Patch].
- * @param version The version of a [Patch].
- */
-@Target(AnnotationTarget.CLASS)
-@Deprecated("This annotation is deprecated and will be removed in the future.")
-annotation class Version(
-    val version: String,
-)

revanced-patcher/src/main/kotlin/app/revanced/patcher/apk/Apk.kt

@@ -1,285 +0,0 @@
-@file:Suppress("MemberVisibilityCanBePrivate")
-
-package app.revanced.patcher.apk
-
-import app.revanced.arsc.ApkResourceException
-import app.revanced.arsc.archive.Archive
-import app.revanced.patcher.Patcher
-import app.revanced.patcher.PatcherOptions
-import app.revanced.patcher.logging.asArscLogger
-import app.revanced.patcher.util.ProxyBackedClassList
-import com.reandroid.apk.ApkModule
-import com.reandroid.apk.xmlencoder.EncodeException
-import com.reandroid.archive.InputSource
-import com.reandroid.arsc.chunk.xml.AndroidManifestBlock
-import com.reandroid.arsc.value.ResConfig
-import lanchon.multidexlib2.*
-import org.jf.dexlib2.Opcodes
-import org.jf.dexlib2.dexbacked.DexBackedDexFile
-import org.jf.dexlib2.iface.DexFile
-import org.jf.dexlib2.iface.MultiDexContainer
-import org.jf.dexlib2.writer.io.MemoryDataStore
-import java.io.File
-
-/**
- * An [Apk] file.
- */
-sealed class Apk private constructor(module: ApkModule) {
-    /**
-     * A wrapper around the zip archive of this [Apk].
-     *
-     * @see Archive
-     */
-    private val archive = Archive(module)
-
-    /**
-     * The metadata of the [Apk].
-     */
-    val packageMetadata = PackageMetadata(module.androidManifestBlock)
-
-    /**
-     * Refresh updated resources and close any open files.
-     *
-     * @param options The [PatcherOptions] of the [Patcher].
-     */
-    internal open fun cleanup(options: PatcherOptions) {
-        try {
-            archive.cleanup(options.logger.asArscLogger())
-        } catch (e: EncodeException) {
-            throw ApkResourceException.Encode(e.message!!, e)
-        }
-
-        archive.mainPackageResources.refreshPackageName()
-    }
-
-    /**
-     * Write the [Apk] to a file.
-     *
-     * @param output The target file.
-     */
-    fun write(output: File) = archive.save(output)
-
-    companion object {
-        const val MANIFEST_FILE_NAME = "AndroidManifest.xml"
-
-        /**
-         * Determine the [Module] and [Type] of an [ApkModule].
-         *
-         * @return A [Pair] containing the [Module] and [Type] of the [ApkModule].
-         */
-        fun ApkModule.identify(): Pair<Module, Type> {
-            val manifestElement = androidManifestBlock.manifestElement
-            return when {
-                isBaseModule -> Module.Main to Type.Base
-                // The module is a base apk for a dynamic feature module if the "isFeatureModule" attribute is set to true.
-                manifestElement.searchAttributeByName("isFeatureModule")?.valueAsBoolean == true -> Module.DynamicFeature(
-                    split
-                ) to Type.Base
-
-                else -> {
-                    val module = manifestElement.searchAttributeByName("configForSplit")
-                    ?.let { Module.DynamicFeature(it.valueAsString) } ?: Module.Main
-
-                    // Examples:
-                    // config.xhdpi
-                    // df_my_feature.config.en
-                    val config = this.split.split(".").last()
-
-                    val type = when {
-                        // Language splits have a two-letter country code.
-                        config.length == 2 -> Type.Language(config)
-                        // Library splits use the target CPU architecture.
-                        Split.Library.architectures.contains(config) -> Type.Library(config)
-                        // Asset splits use the density.
-                        ResConfig.Density.valueOf(config) != null -> Type.Asset(config)
-                        else -> throw IllegalArgumentException("Invalid split config: $config")
-                    }
-
-                    module to type
-                }
-            }
-        }
-    }
-
-    internal inner class BytecodeData {
-        private val opcodes: Opcodes
-
-        /**
-         * The classes and proxied classes of the [Base] apk file.
-         */
-        val classes: ProxyBackedClassList
-
-        init {
-            MultiDexContainerBackedDexFile(object : MultiDexContainer<DexBackedDexFile> {
-                // Load all dex files from the apk module and create a dex entry for each of them.
-                private val entries = archive.readDexFiles().associateBy { it.name }
-                    .mapValues { (name, inputSource) ->
-                        BasicDexEntry(
-                            this,
-                            name,
-                            RawDexIO.readRawDexFile(inputSource.openStream(), inputSource.length, null)
-                        )
-                    }
-
-                override fun getDexEntryNames() = entries.keys.toList()
-                override fun getEntry(entryName: String) = entries[entryName]
-            }).let {
-                opcodes = it.opcodes
-                classes = ProxyBackedClassList(it.classes)
-            }
-        }
-
-        /**
-         * Write [classes] to the archive.
-         */
-        internal fun writeDexFiles() {
-            // Create patched dex files.
-            mutableMapOf<String, MemoryDataStore>().also {
-                val newDexFile = object : DexFile {
-                    override fun getClasses() =
-                        this@BytecodeData.classes.also(ProxyBackedClassList::applyProxies).toSet()
-                    override fun getOpcodes() = this@BytecodeData.opcodes
-                }
-
-                // Write modified dex files.
-                MultiDexIO.writeDexFile(
-                    true, -1, // Core count.
-                    it, Patcher.dexFileNamer, newDexFile, DexIO.DEFAULT_MAX_DEX_POOL_SIZE, null
-                )
-            }.forEach { (name, store) ->
-                val dexFileInputSource = object : InputSource(name) {
-                    override fun openStream() = store.readAt(0)
-                }
-
-                archive.write(dexFileInputSource)
-            }
-        }
-    }
-
-    /**
-     * Metadata about an [Apk] file.
-     *
-     * @param packageName The package name of the [Apk] file.
-     * @param packageVersion The package version of the [Apk] file.
-     */
-    data class PackageMetadata(val packageName: String?, val packageVersion: String?) {
-        internal constructor(manifestBlock: AndroidManifestBlock) : this(
-            manifestBlock.packageName,
-            manifestBlock.versionName
-        )
-    }
-
-    /**
-     * An [Apk] of type [Split].
-     *
-     * @param config The device configuration associated with this [Split], such as arm64_v8a, en or xhdpi.
-     * @see Apk
-     */
-    sealed class Split(val config: String, module: ApkModule) : Apk(module) {
-        override fun toString() = "split_config.$config.apk"
-
-        /**
-         * The split apk file which contains libraries.
-         *
-         * @see Split
-         */
-        class Library internal constructor(config: String, module: ApkModule) : Split(config, module) {
-            companion object {
-                /**
-                 * A set of all architectures supported by android.
-                 */
-                val architectures = setOf("armeabi_v7a", "arm64_v8a", "x86", "x86_64")
-            }
-        }
-
-        /**
-         * The split apk file which contains language strings.
-         *
-         * @see Split
-         */
-        class Language internal constructor(config: String, module: ApkModule) : Split(config, module)
-
-        /**
-         * The split apk file which contains assets.
-         *
-         * @see Split
-         */
-        class Asset internal constructor(config: String, module: ApkModule) : Split(config, module)
-    }
-
-    /**
-     * The base [Apk] file..
-     *
-     * @see Apk
-     */
-    class Base internal constructor(module: ApkModule) : Apk(module) {
-        /**
-         * Data of the [Base] apk file.
-         */
-        internal val bytecodeData = BytecodeData()
-
-        override fun toString() = "base.apk"
-
-        override fun cleanup(options: PatcherOptions) {
-            super.cleanup(options)
-
-            options.logger.info("Writing patched dex files")
-            bytecodeData.writeDexFiles()
-        }
-    }
-
-    /**
-     * The module that the [ApkModule] belongs to.
-     */
-    sealed class Module {
-        /**
-         * The default [Module] that is always installed by software repositories.
-         */
-        object Main : Module()
-
-        /**
-         * A [Module] that can be installed later by software repositories when requested by the application.
-         *
-         * @param name The name of the feature.
-         */
-        data class DynamicFeature(val name: String) : Module()
-    }
-
-    /**
-     * The type of the [ApkModule].
-     */
-    sealed class Type {
-        /**
-         * The main Apk of a [Module].
-         */
-        object Base : Type()
-
-        /**
-         * A superclass for all split configuration types.
-         *
-         * @param target The target device configuration.
-         */
-        sealed class SplitConfig(val target: String) : Type()
-
-        /**
-         * The [Type] of an apk containing native libraries.
-         *
-         * @param architecture The target CPU architecture.
-         */
-        data class Library(val architecture: String) : SplitConfig(architecture)
-
-        /**
-         * The [Type] for an Apk containing language resources.
-         *
-         * @param language The target language code.
-         */
-        data class Language(val language: String) : SplitConfig(language)
-
-        /**
-         * The [Type] for an Apk containing assets.
-         *
-         * @param pixelDensity The target screen density.
-         */
-        data class Asset(val pixelDensity: String) : SplitConfig(pixelDensity)
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/apk/ApkBundle.kt

@@ -1,105 +0,0 @@
-@file:Suppress("MemberVisibilityCanBePrivate")
-
-package app.revanced.patcher.apk
-
-import app.revanced.arsc.ApkResourceException
-import app.revanced.arsc.resource.ResourceTable
-import app.revanced.patcher.Patcher
-import app.revanced.patcher.PatcherOptions
-import app.revanced.patcher.apk.Apk.Companion.identify
-import com.reandroid.apk.ApkModule
-import java.io.File
-
-/**
- * An [Apk] file of type [Apk.Split].
- *
- * @param files A list of apk files to load.
- */
-class ApkBundle(files: List<File>) : Sequence<Apk> {
-    /**
-     * The [Apk.Base] of this [ApkBundle].
-     */
-    val base: Apk.Base
-
-    /**
-     * A map containing all the [Apk.Split]s in this bundle associated by their configuration.
-     */
-    val splits: Map<String, Apk.Split>?
-
-    init {
-        var baseApk: Apk.Base? = null
-
-        splits = buildMap {
-            files.forEach {
-                val apk = ApkModule.loadApkFile(it)
-                val (module, type) = apk.identify()
-                if (module is Apk.Module.DynamicFeature) {
-                    return@forEach // Dynamic feature modules are not supported yet.
-                }
-
-                when (type) {
-                    Apk.Type.Base -> {
-                        if (baseApk != null) {
-                            throw IllegalArgumentException("Cannot have more than one base apk")
-                        }
-                        baseApk = Apk.Base(apk)
-                    }
-
-                    is Apk.Type.SplitConfig -> {
-                        val target = type.target
-                        if (this.contains(target)) {
-                            throw IllegalArgumentException("Duplicate split: $target")
-                        }
-
-                        val constructor = when (type) {
-                            is Apk.Type.Asset -> Apk.Split::Asset
-                            is Apk.Type.Library -> Apk.Split::Library
-                            is Apk.Type.Language -> Apk.Split::Language
-                        }
-
-                        this[target] = constructor(target, apk)
-                    }
-                }
-            }
-        }.takeIf { it.isNotEmpty() }
-
-        base = baseApk ?: throw IllegalArgumentException("Base apk not found")
-    }
-
-    /**
-     * The [ResourceTable] of this [ApkBundle].
-     */
-    val resources = ResourceTable(base.resources, map { it.resources })
-
-    override fun iterator() = sequence {
-        yield(base)
-        splits?.values?.let {
-            yieldAll(it)
-        }
-    }.iterator()
-
-    /**
-     * Refresh all updated resources in an [ApkBundle].
-     *
-     * @param options The [PatcherOptions] of the [Patcher].
-     * @return A sequence of the [Apk] files which are being refreshed.
-     */
-    internal fun cleanup(options: PatcherOptions) = map {
-        var exception: ApkResourceException? = null
-        try {
-            it.cleanup(options)
-        } catch (e: ApkResourceException) {
-            exception = e
-        }
-
-        SplitApkResult(it, exception)
-    }
-
-    /**
-     * The result of writing an [Apk] file.
-     *
-     * @param apk The corresponding [Apk] file.
-     * @param exception The optional [ApkResourceException] when an exception occurred.
-     */
-    data class SplitApkResult(val apk: Apk, val exception: ApkResourceException? = null)
-}

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

@@ -1,33 +0,0 @@
-package app.revanced.patcher.extensions
-
-import kotlin.reflect.KClass
-
-internal object AnnotationExtensions {
-    /**
-     * Recursively find a given annotation on a class.
-     *
-     * @param targetAnnotation The annotation to find.
-     * @return The annotation.
-     */
-    fun <T : Annotation> Class<*>.findAnnotationRecursively(targetAnnotation: KClass<T>): T? {
-        fun <T : Annotation> Class<*>.findAnnotationRecursively(
-            targetAnnotation: Class<T>, traversed: MutableSet<Annotation>
-        ): T? {
-            val found = this.annotations.firstOrNull { it.annotationClass.java.name == targetAnnotation.name }
-
-            @Suppress("UNCHECKED_CAST") if (found != null) return found as T
-
-            for (annotation in this.annotations) {
-                if (traversed.contains(annotation)) continue
-                traversed.add(annotation)
-
-                return (annotation.annotationClass.java.findAnnotationRecursively(targetAnnotation, traversed))
-                    ?: continue
-            }
-
-            return null
-        }
-
-        return this.findAnnotationRecursively(targetAnnotation.java, mutableSetOf())
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/extensions/Extensions.kt

@@ -1,33 +0,0 @@
-package app.revanced.patcher.extensions
-
-import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
-import org.jf.dexlib2.AccessFlags
-
-/**
- * Create a label for the instruction at given index.
- *
- * @param index The index to create the label for the instruction at.
- * @return The label.
- */
-fun MutableMethod.newLabel(index: Int) = implementation!!.newLabelForIndex(index)
-
-/**
- * Perform a bitwise OR operation between two [AccessFlags].
- *
- * @param other The other [AccessFlags] to perform the operation with.
- */
-infix fun AccessFlags.or(other: AccessFlags) = value or other.value
-
-/**
- * Perform a bitwise OR operation between an [AccessFlags] and an [Int].
- *
- * @param other The [Int] to perform the operation with.
- */
-infix fun Int.or(other: AccessFlags) = this or other.value
-
-/**
- * Perform a bitwise OR operation between an [Int] and an [AccessFlags].
- *
- * @param other The [AccessFlags] to perform the operation with.
- */
-infix fun AccessFlags.or(other: Int) = value or other

revanced-patcher/src/main/kotlin/app/revanced/patcher/extensions/InstructionExtensions.kt

@@ -1,326 +0,0 @@
-package app.revanced.patcher.extensions
-
-import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
-import app.revanced.patcher.util.smali.ExternalLabel
-import app.revanced.patcher.util.smali.toInstruction
-import app.revanced.patcher.util.smali.toInstructions
-import org.jf.dexlib2.builder.BuilderInstruction
-import org.jf.dexlib2.builder.BuilderOffsetInstruction
-import org.jf.dexlib2.builder.Label
-import org.jf.dexlib2.builder.MutableMethodImplementation
-import org.jf.dexlib2.builder.instruction.*
-import org.jf.dexlib2.iface.instruction.Instruction
-
-object InstructionExtensions {
-
-    /**
-     * Add instructions to a method at the given index.
-     *
-     * @param index The index to add the instructions at.
-     * @param instructions The instructions to add.
-     */
-    fun MutableMethodImplementation.addInstructions(
-        index: Int,
-        instructions: List<BuilderInstruction>
-    ) =
-        instructions.asReversed().forEach { addInstruction(index, it) }
-
-    /**
-     * Add instructions to a method.
-     * The instructions will be added at the end of the method.
-     *
-     * @param instructions The instructions to add.
-     */
-    fun MutableMethodImplementation.addInstructions(instructions: List<BuilderInstruction>) =
-        instructions.forEach { this.addInstruction(it) }
-
-    /**
-     * Remove instructions from a method at the given index.
-     *
-     * @param index The index to remove the instructions at.
-     * @param count The amount of instructions to remove.
-     */
-    fun MutableMethodImplementation.removeInstructions(index: Int, count: Int) = repeat(count) {
-        removeInstruction(index)
-    }
-
-    /**
-     * Remove the first instructions from a method.
-     *
-     * @param count The amount of instructions to remove.
-     */
-    fun MutableMethodImplementation.removeInstructions(count: Int) = removeInstructions(0, count)
-
-    /**
-     * Replace instructions at the given index with the given instructions.
-     * The amount of instructions to replace is the amount of instructions in the given list.
-     *
-     * @param index The index to replace the instructions at.
-     * @param instructions The instructions to replace the instructions with.
-     */
-    fun MutableMethodImplementation.replaceInstructions(index: Int, instructions: List<BuilderInstruction>) {
-        // Remove the instructions at the given index.
-        removeInstructions(index, instructions.size)
-
-        // Add the instructions at the given index.
-        addInstructions(index, instructions)
-    }
-
-    /**
-     * Add an instruction to a method at the given index.
-     *
-     * @param index The index to add the instruction at.
-     * @param instruction The instruction to add.
-     */
-    fun MutableMethod.addInstruction(index: Int, instruction: BuilderInstruction) =
-        implementation!!.addInstruction(index, instruction)
-
-    /**
-     * Add an instruction to a method.
-     *
-     * @param instruction The instructions to add.
-     */
-    fun MutableMethod.addInstruction(instruction: BuilderInstruction) =
-        implementation!!.addInstruction(instruction)
-
-    /**
-     * Add an instruction to a method at the given index.
-     *
-     * @param index The index to add the instruction at.
-     * @param smaliInstructions The instruction to add.
-     */
-    fun MutableMethod.addInstruction(index: Int, smaliInstructions: String) =
-        implementation!!.addInstruction(index, smaliInstructions.toInstruction(this))
-
-    /**
-     * Add an instruction to a method.
-     *
-     * @param smaliInstructions The instruction to add.
-     */
-    fun MutableMethod.addInstruction(smaliInstructions: String) =
-        implementation!!.addInstruction(smaliInstructions.toInstruction(this))
-
-
-    /**
-     * Add instructions to a method at the given index.
-     *
-     * @param index The index to add the instructions at.
-     * @param instructions The instructions to add.
-     */
-    fun MutableMethod.addInstructions(index: Int, instructions: List<BuilderInstruction>) =
-        implementation!!.addInstructions(index, instructions)
-
-    /**
-     * Add instructions to a method.
-     *
-     * @param instructions The instructions to add.
-     */
-    fun MutableMethod.addInstructions(instructions: List<BuilderInstruction>) =
-        implementation!!.addInstructions(instructions)
-
-    /**
-     * Add instructions to a method.
-     *
-     * @param smaliInstructions The instructions to add.
-     */
-    fun MutableMethod.addInstructions(index: Int, smaliInstructions: String) =
-        implementation!!.addInstructions(index, smaliInstructions.toInstructions(this))
-
-    /**
-     * Add instructions to a method.
-     *
-     * @param smaliInstructions The instructions to add.
-     */
-    fun MutableMethod.addInstructions(smaliInstructions: String) =
-        implementation!!.addInstructions(smaliInstructions.toInstructions(this))
-
-    /**
-     * Add instructions to a method at the given index.
-     *
-     * @param index The index to add the instructions at.
-     * @param smaliInstructions The instructions to add.
-     * @param externalLabels A list of [ExternalLabel] for instructions outside of [smaliInstructions].
-     */
-// Special function for adding instructions with external labels.
-    fun MutableMethod.addInstructionsWithLabels(
-        index: Int,
-        smaliInstructions: String,
-        vararg externalLabels: ExternalLabel
-    ) {
-        // Create reference dummy instructions for the instructions.
-        val nopSmali = StringBuilder(smaliInstructions).also { builder ->
-            externalLabels.forEach { (name, _) ->
-                builder.append("\n:$name\nnop")
-            }
-        }.toString()
-
-        // Compile the instructions with the dummy labels
-        val compiledInstructions = nopSmali.toInstructions(this)
-
-        // Add the compiled list of instructions to the method.
-        addInstructions(
-            index,
-            compiledInstructions.subList(0, compiledInstructions.size - externalLabels.size)
-        )
-
-        implementation!!.apply {
-            this@apply.instructions.subList(index, index + compiledInstructions.size - externalLabels.size)
-                .forEachIndexed { compiledInstructionIndex, compiledInstruction ->
-                    // If the compiled instruction is not an offset instruction, skip it.
-                    if (compiledInstruction !is BuilderOffsetInstruction) return@forEachIndexed
-
-                    /**
-                     * Creates a new label for the instruction
-                     * and replaces it with the label of the [compiledInstruction] at [compiledInstructionIndex].
-                     */
-                    fun Instruction.makeNewLabel() {
-                        fun replaceOffset(
-                            i: BuilderOffsetInstruction, label: Label
-                        ): BuilderOffsetInstruction {
-                            return when (i) {
-                                is BuilderInstruction10t -> BuilderInstruction10t(i.opcode, label)
-                                is BuilderInstruction20t -> BuilderInstruction20t(i.opcode, label)
-                                is BuilderInstruction21t -> BuilderInstruction21t(i.opcode, i.registerA, label)
-                                is BuilderInstruction22t -> BuilderInstruction22t(
-                                    i.opcode,
-                                    i.registerA,
-                                    i.registerB,
-                                    label
-                                )
-                                is BuilderInstruction30t -> BuilderInstruction30t(i.opcode, label)
-                                is BuilderInstruction31t -> BuilderInstruction31t(i.opcode, i.registerA, label)
-                                else -> throw IllegalStateException(
-                                    "A non-offset instruction was given, this should never happen!"
-                                )
-                            }
-                        }
-
-                        // Create the final label.
-                        val label = newLabelForIndex(this@apply.instructions.indexOf(this))
-
-                        // Create the final instruction with the new label.
-                        val newInstruction = replaceOffset(
-                            compiledInstruction, label
-                        )
-
-                        // Replace the instruction pointing to the dummy label
-                        // with the new instruction pointing to the real instruction.
-                        replaceInstruction(index + compiledInstructionIndex, newInstruction)
-                    }
-
-                    // If the compiled instruction targets its own instruction,
-                    // which means it points to some of its own, simply an offset has to be applied.
-                    val labelIndex = compiledInstruction.target.location.index
-                    if (labelIndex < compiledInstructions.size - externalLabels.size) {
-                        // Get the targets index (insertion index + the index of the dummy instruction).
-                        this.instructions[index + labelIndex].makeNewLabel()
-                        return@forEachIndexed
-                    }
-
-                    // Since the compiled instruction points to a dummy instruction,
-                    // we can find the real instruction which it was created for by calculation.
-
-                    // Get the index of the instruction in the externalLabels list
-                    // which the dummy instruction was created for.
-                    // This works because we created the dummy instructions in the same order as the externalLabels list.
-                    val (_, instruction) = externalLabels[(compiledInstructions.size - 1) - labelIndex]
-                    instruction.makeNewLabel()
-                }
-        }
-    }
-
-    /**
-     * Remove an instruction at the given index.
-     *
-     * @param index The index to remove the instruction at.
-     */
-    fun MutableMethod.removeInstruction(index: Int) =
-        implementation!!.removeInstruction(index)
-
-    /**
-     * Remove instructions at the given index.
-     *
-     * @param index The index to remove the instructions at.
-     * @param count The amount of instructions to remove.
-     */
-    fun MutableMethod.removeInstructions(index: Int, count: Int) =
-        implementation!!.removeInstructions(index, count)
-
-    /**
-     * Remove instructions at the given index.
-     *
-     * @param count The amount of instructions to remove.
-     */
-    fun MutableMethod.removeInstructions(count: Int) =
-        implementation!!.removeInstructions(count)
-
-    /**
-     * Replace an instruction at the given index.
-     *
-     * @param index The index to replace the instruction at.
-     * @param instruction The instruction to replace the instruction with.
-     */
-    fun MutableMethod.replaceInstruction(index: Int, instruction: BuilderInstruction) =
-        implementation!!.replaceInstruction(index, instruction)
-
-    /**
-     * Replace an instruction at the given index.
-     *
-     * @param index The index to replace the instruction at.
-     * @param smaliInstruction The smali instruction to replace the instruction with.
-     */
-    fun MutableMethod.replaceInstruction(index: Int, smaliInstruction: String) =
-        implementation!!.replaceInstruction(index, smaliInstruction.toInstruction(this))
-
-    /**
-     * Replace instructions at the given index.
-     *
-     * @param index The index to replace the instructions at.
-     * @param instructions The instructions to replace the instructions with.
-     */
-    fun MutableMethod.replaceInstructions(index: Int, instructions: List<BuilderInstruction>) =
-        implementation!!.replaceInstructions(index, instructions)
-
-    /**
-     * Replace instructions at the given index.
-     *
-     * @param index The index to replace the instructions at.
-     * @param smaliInstructions The smali instructions to replace the instructions with.
-     */
-    fun MutableMethod.replaceInstructions(index: Int, smaliInstructions: String) =
-        implementation!!.replaceInstructions(index, smaliInstructions.toInstructions(this))
-
-    /**
-     * Get an instruction at the given index.
-     *
-     * @param index The index to get the instruction at.
-     * @return The instruction.
-     */
-    fun MutableMethodImplementation.getInstruction(index: Int): BuilderInstruction = instructions[index]
-
-    /**
-     * Get an instruction at the given index.
-     *
-     * @param index The index to get the instruction at.
-     * @param T The type of instruction to return.
-     * @return The instruction.
-     */
-    @Suppress("UNCHECKED_CAST")
-    fun <T> MutableMethodImplementation.getInstruction(index: Int): T = getInstruction(index) as T
-
-    /**
-     * Get an instruction at the given index.
-     * @param index The index to get the instruction at.
-     * @return The instruction.
-     */
-    fun MutableMethod.getInstruction(index: Int): BuilderInstruction = implementation!!.getInstruction(index)
-
-    /**
-     * Get an instruction at the given index.
-     * @param index The index to get the instruction at.
-     * @param T The type of instruction to return.
-     * @return The instruction.
-     */
-    @Suppress("UNCHECKED_CAST")
-    fun <T> MutableMethod.getInstruction(index: Int): T = implementation!!.getInstruction<T>(index)
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/extensions/MethodFingerprintExtensions.kt

@@ -1,20 +0,0 @@
-package app.revanced.patcher.extensions
-
-import app.revanced.patcher.extensions.AnnotationExtensions.findAnnotationRecursively
-import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
-
-object MethodFingerprintExtensions {
-
-    /**
-     * The name of a [MethodFingerprint].
-     */
-    val MethodFingerprint.name: String
-        get() = this.javaClass.simpleName
-
-    /**
-     * The [FuzzyPatternScanMethod] annotation of a [MethodFingerprint].
-     */
-    val MethodFingerprint.fuzzyPatternScanMethod
-        get() = javaClass.findAnnotationRecursively(FuzzyPatternScanMethod::class)
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/extensions/PatchExtensions.kt

@@ -1,72 +0,0 @@
-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.extensions.AnnotationExtensions.findAnnotationRecursively
-import app.revanced.patcher.patch.OptionsContainer
-import app.revanced.patcher.patch.Patch
-import app.revanced.patcher.patch.PatchClass
-import app.revanced.patcher.patch.PatchOptions
-import app.revanced.patcher.patch.annotations.DependsOn
-import app.revanced.patcher.patch.annotations.RequiresIntegrations
-import kotlin.reflect.KVisibility
-import kotlin.reflect.full.companionObject
-import kotlin.reflect.full.companionObjectInstance
-
-object PatchExtensions {
-    /**
-     * The name of a [Patch].
-     */
-    val PatchClass.patchName: String
-        get() = findAnnotationRecursively(Name::class)?.name ?: this.simpleName
-
-    /**
-     * The version of a [Patch].
-     */
-    @Deprecated("This property is deprecated and will be removed in the future.")
-    val PatchClass.version
-        get() = findAnnotationRecursively(Version::class)?.version
-
-    /**
-     * Weather or not a [Patch] should be included.
-     */
-    val PatchClass.include
-        get() = findAnnotationRecursively(app.revanced.patcher.patch.annotations.Patch::class)!!.include
-
-    /**
-     * The description of a [Patch].
-     */
-    val PatchClass.description
-        get() = findAnnotationRecursively(Description::class)?.description
-
-    /**
-     * The dependencies of a [Patch].
-     */
-    val PatchClass.dependencies
-        get() = findAnnotationRecursively(DependsOn::class)?.dependencies
-
-    /**
-     * The packages a [Patch] is compatible with.
-     */
-    val PatchClass.compatiblePackages
-        get() = findAnnotationRecursively(Compatibility::class)?.compatiblePackages
-
-    /**
-     * Weather or not a [Patch] requires integrations.
-     */
-    internal val PatchClass.requiresIntegrations
-        get() = findAnnotationRecursively(RequiresIntegrations::class) != null
-
-    /**
-     * The options of a [Patch].
-     */
-    val PatchClass.options: PatchOptions?
-        get() = kotlin.companionObject?.let { cl ->
-            if (cl.visibility != KVisibility.PUBLIC) return null
-            kotlin.companionObjectInstance?.let {
-                (it as? OptionsContainer)?.options
-            }
-        }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/fingerprint/Fingerprint.kt

@@ -1,9 +0,0 @@
-package app.revanced.patcher.fingerprint
-
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
-
-/**
- * A ReVanced fingerprint.
- * Can be a [MethodFingerprint].
- */
-interface Fingerprint

revanced-patcher/src/main/kotlin/app/revanced/patcher/fingerprint/method/annotation/MethodFingerprintMetadata.kt

@@ -1,12 +0,0 @@
-package app.revanced.patcher.fingerprint.method.annotation
-
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
-
-/**
- * Annotations to scan a pattern [MethodFingerprint] with fuzzy algorithm.
- * @param threshold if [threshold] or more of the opcodes do not match, skip.
- */
-@Target(AnnotationTarget.CLASS)
-annotation class FuzzyPatternScanMethod(
-    val threshold: Int = 1
-)

revanced-patcher/src/main/kotlin/app/revanced/patcher/fingerprint/method/impl/MethodFingerprint.kt

@@ -1,513 +0,0 @@
-package app.revanced.patcher.fingerprint.method.impl
-
-import app.revanced.patcher.BytecodeContext
-import app.revanced.patcher.extensions.MethodFingerprintExtensions.fuzzyPatternScanMethod
-import app.revanced.patcher.fingerprint.Fingerprint
-import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.patch.PatchException
-import app.revanced.patcher.util.proxy.ClassProxy
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
-import org.jf.dexlib2.iface.ClassDef
-import org.jf.dexlib2.iface.Method
-import org.jf.dexlib2.iface.instruction.Instruction
-import org.jf.dexlib2.iface.instruction.ReferenceInstruction
-import org.jf.dexlib2.iface.reference.StringReference
-import org.jf.dexlib2.util.MethodUtil
-import java.util.*
-
-private typealias StringMatch = MethodFingerprintResult.MethodFingerprintScanResult.StringsScanResult.StringMatch
-private typealias StringsScanResult = MethodFingerprintResult.MethodFingerprintScanResult.StringsScanResult
-private typealias MethodClassPair = Pair<Method, ClassDef>
-
-/**
- * A fingerprint to resolve methods.
- *
- * @param returnType The method's return type compared using [String.startsWith].
- * @param accessFlags The method's exact access flags using values of [AccessFlags].
- * @param parameters The parameters of the method. Partial matches allowed and follow the same rules as [returnType].
- * @param opcodes An opcode pattern of the method's instructions. Wildcard or unknown opcodes can be specified by `null`.
- * @param strings A list of the method's strings compared each using [String.contains].
- * @param customFingerprint A custom condition for this fingerprint.
- */
-abstract class MethodFingerprint(
-    internal val returnType: String? = null,
-    internal val accessFlags: Int? = null,
-    internal val parameters: Iterable<String>? = null,
-    internal val opcodes: Iterable<Opcode?>? = null,
-    internal val strings: Iterable<String>? = null,
-    internal val customFingerprint: ((methodDef: Method, classDef: ClassDef) -> Boolean)? = null
-) : Fingerprint {
-    /**
-     * The result of the [MethodFingerprint].
-     */
-    var result: MethodFingerprintResult? = null
-
-    companion object {
-        /**
-         * A list of methods and the class they were found in.
-         */
-        private val methods = mutableListOf<MethodClassPair>()
-
-        /**
-         * Lookup map for methods keyed to the methods access flags, return type and parameter.
-         */
-        private val methodSignatureLookupMap = mutableMapOf<String, MutableList<MethodClassPair>>()
-
-        /**
-         * Lookup map for methods keyed to the strings contained in the method.
-         */
-        private val methodStringsLookupMap = mutableMapOf<String, MutableList<MethodClassPair>>()
-
-        /**
-         * Appends a string based on the parameter reference types of this method.
-         */
-        private fun StringBuilder.appendParameters(parameters: Iterable<CharSequence>) {
-            // Maximum parameters to use in the signature key.
-            // Some apps have methods with an incredible number of parameters (over 100 parameters have been seen).
-            // To keep the signature map from becoming needlessly bloated,
-            // group together in the same map entry all methods with the same access/return and 5 or more parameters.
-            // The value of 5 was chosen based on local performance testing and is not set in stone.
-            val maxSignatureParameters = 5
-            // Must append a unique value before the parameters to distinguish this key includes the parameters.
-            // If this is not appended, then methods with no parameters
-            // will collide with different keys that specify access/return but omit the parameters.
-            append("p:")
-            parameters.forEachIndexed { index, parameter ->
-                if (index >= maxSignatureParameters) return
-                append(parameter.first())
-            }
-        }
-
-        /**
-         * Initializes lookup maps for [MethodFingerprint] resolution
-         * using attributes of methods such as the method signature or strings.
-         *
-         * @param context The [BytecodeContext] containing the classes to initialize the lookup maps with.
-         */
-        internal fun initializeFingerprintResolutionLookupMaps(context: BytecodeContext) {
-            fun MutableMap<String, MutableList<MethodClassPair>>.add(
-                key: String,
-                methodClassPair: MethodClassPair
-            ) {
-                var methodClassPairs = this[key]
-
-                methodClassPairs ?: run {
-                    methodClassPairs = LinkedList<MethodClassPair>().also { this[key] = it }
-                }
-
-                methodClassPairs!!.add(methodClassPair)
-            }
-
-            if (methods.isNotEmpty()) throw PatchException("Map already initialized")
-
-            context.classes.forEach { classDef ->
-                classDef.methods.forEach { method ->
-                    val methodClassPair = method to classDef
-
-                    // For fingerprints with no access or return type specified.
-                    methods += methodClassPair
-
-                    val accessFlagsReturnKey = method.accessFlags.toString() + method.returnType.first()
-
-                    // Add <access><returnType> as the key.
-                    methodSignatureLookupMap.add(accessFlagsReturnKey, methodClassPair)
-
-                    // Add <access><returnType>[parameters] as the key.
-                    methodSignatureLookupMap.add(
-                        buildString {
-                            append(accessFlagsReturnKey)
-                            appendParameters(method.parameterTypes)
-                        },
-                        methodClassPair
-                    )
-
-                    // Add strings contained in the method as the key.
-                    method.implementation?.instructions?.forEach instructions@{ instruction ->
-                        if (instruction.opcode != Opcode.CONST_STRING && instruction.opcode != Opcode.CONST_STRING_JUMBO)
-                            return@instructions
-
-                        val string = ((instruction as ReferenceInstruction).reference as StringReference).string
-
-                        methodStringsLookupMap.add(string, methodClassPair)
-                    }
-
-                    // In the future, the class type could be added to the lookup map.
-                    // This would require MethodFingerprint to be changed to include the class type.
-                }
-            }
-        }
-
-        /**
-         * Clears the internal lookup maps created in [initializeFingerprintResolutionLookupMaps]
-         */
-        internal fun clearFingerprintResolutionLookupMaps() {
-            methods.clear()
-            methodSignatureLookupMap.clear()
-            methodStringsLookupMap.clear()
-        }
-
-        /**
-         * Resolve a list of [MethodFingerprint] using the lookup map built by [initializeFingerprintResolutionLookupMaps].
-         *
-         * [MethodFingerprint] resolution is fast, but if many are present they can consume a noticeable
-         * amount of time because they are resolved in sequence.
-         *
-         * For apps with many fingerprints, resolving performance can be improved by:
-         * - Slowest: Specify [opcodes] and nothing else.
-         * - Fast: Specify [accessFlags], [returnType].
-         * - Faster: Specify [accessFlags], [returnType] and [parameters].
-         * - Fastest: Specify [strings], with at least one string being an exact (non-partial) match.
-         */
-        internal fun Iterable<MethodFingerprint>.resolveUsingLookupMap(context: BytecodeContext) {
-            if (methods.isEmpty()) throw PatchException("lookup map not initialized")
-
-            for (fingerprint in this) {
-                fingerprint.resolveUsingLookupMap(context)
-            }
-        }
-
-        /**
-         * Resolve a [MethodFingerprint] using the lookup map built by [initializeFingerprintResolutionLookupMaps].
-         *
-         * [MethodFingerprint] resolution is fast, but if many are present they can consume a noticeable
-         * amount of time because they are resolved in sequence.
-         *
-         * For apps with many fingerprints, resolving performance can be improved by:
-         * - Slowest: Specify [opcodes] and nothing else.
-         * - Fast: Specify [accessFlags], [returnType].
-         * - Faster: Specify [accessFlags], [returnType] and [parameters].
-         * - Fastest: Specify [strings], with at least one string being an exact (non-partial) match.
-         */
-        internal fun MethodFingerprint.resolveUsingLookupMap(context: BytecodeContext): Boolean {
-            /**
-             * Lookup [MethodClassPair]s that match the methods strings present in a [MethodFingerprint].
-             *
-             * @return A list of [MethodClassPair]s that match the methods strings present in a [MethodFingerprint].
-             */
-            fun MethodFingerprint.methodStringsLookup(): List<MethodClassPair>? {
-                strings?.forEach {
-                    val methods = methodStringsLookupMap[it]
-                    if (methods != null) return methods
-                }
-                return null
-            }
-
-            /**
-             * Lookup [MethodClassPair]s that match the method signature present in a [MethodFingerprint].
-             *
-             * @return A list of [MethodClassPair]s that match the method signature present in a [MethodFingerprint].
-             */
-            fun MethodFingerprint.methodSignatureLookup(): List<MethodClassPair> {
-                if (accessFlags == null) return methods
-
-                var returnTypeValue = returnType
-                if (returnTypeValue == null) {
-                    if (AccessFlags.CONSTRUCTOR.isSet(accessFlags)) {
-                        // Constructors always have void return type
-                        returnTypeValue = "V"
-                    } else {
-                        return methods
-                    }
-                }
-
-                val key = buildString {
-                    append(accessFlags)
-                    append(returnTypeValue.first())
-                    if (parameters != null) appendParameters(parameters)
-                }
-                return methodSignatureLookupMap[key] ?: return emptyList()
-            }
-
-            /**
-             * Resolve a [MethodFingerprint] using a list of [MethodClassPair].
-             *
-             * @return True if the resolution was successful, false otherwise.
-             */
-            fun MethodFingerprint.resolveUsingMethodClassPair(classMethods: Iterable<MethodClassPair>): Boolean {
-                classMethods.forEach { classAndMethod ->
-                    if (resolve(context, classAndMethod.first, classAndMethod.second)) return true
-                }
-                return false
-            }
-
-            val methodsWithSameStrings = methodStringsLookup()
-            if (methodsWithSameStrings != null) if (resolveUsingMethodClassPair(methodsWithSameStrings)) return true
-
-            // No strings declared or none matched (partial matches are allowed).
-            // Use signature matching.
-            return resolveUsingMethodClassPair(methodSignatureLookup())
-        }
-
-        /**
-         * Resolve a list of [MethodFingerprint] against a list of [ClassDef].
-         *
-         * @param classes The classes on which to resolve the [MethodFingerprint] in.
-         * @param context The [BytecodeContext] to host proxies.
-         * @return True if the resolution was successful, false otherwise.
-         */
-        fun Iterable<MethodFingerprint>.resolve(context: BytecodeContext, classes: Iterable<ClassDef>) {
-            for (fingerprint in this) // For each fingerprint...
-                classes@ for (classDef in classes) // ...search through all classes for the MethodFingerprint
-                    if (fingerprint.resolve(context, classDef))
-                        break@classes // ...if the resolution succeeded, continue with the next MethodFingerprint.
-        }
-
-        /**
-         * Resolve a [MethodFingerprint] against a [ClassDef].
-         *
-         * @param forClass The class on which to resolve the [MethodFingerprint] in.
-         * @param context The [BytecodeContext] to host proxies.
-         * @return True if the resolution was successful, false otherwise.
-         */
-        fun MethodFingerprint.resolve(context: BytecodeContext, forClass: ClassDef): Boolean {
-            for (method in forClass.methods)
-                if (this.resolve(context, method, forClass))
-                    return true
-            return false
-        }
-
-        /**
-         * Resolve a [MethodFingerprint] against a [Method].
-         *
-         * @param method The class on which to resolve the [MethodFingerprint] in.
-         * @param forClass The class on which to resolve the [MethodFingerprint].
-         * @param context The [BytecodeContext] to host proxies.
-         * @return True if the resolution was successful or if the fingerprint is already resolved, false otherwise.
-         */
-        fun MethodFingerprint.resolve(context: BytecodeContext, method: Method, forClass: ClassDef): Boolean {
-            val methodFingerprint = this
-
-            if (methodFingerprint.result != null) return true
-
-            if (methodFingerprint.returnType != null && !method.returnType.startsWith(methodFingerprint.returnType))
-                return false
-
-            if (methodFingerprint.accessFlags != null && methodFingerprint.accessFlags != method.accessFlags)
-                return false
-
-
-            fun parametersEqual(
-                parameters1: Iterable<CharSequence>, parameters2: Iterable<CharSequence>
-            ): Boolean {
-                if (parameters1.count() != parameters2.count()) return false
-                val iterator1 = parameters1.iterator()
-                parameters2.forEach {
-                    if (!it.startsWith(iterator1.next())) return false
-                }
-                return true
-            }
-
-            if (methodFingerprint.parameters != null && !parametersEqual(
-                    methodFingerprint.parameters, // TODO: parseParameters()
-                    method.parameterTypes
-                )
-            ) return false
-
-            @Suppress("UNNECESSARY_NOT_NULL_ASSERTION")
-            if (methodFingerprint.customFingerprint != null && !methodFingerprint.customFingerprint!!(method, forClass))
-                return false
-
-            val stringsScanResult: StringsScanResult? =
-                if (methodFingerprint.strings != null) {
-                    StringsScanResult(
-                        buildList {
-                            val implementation = method.implementation ?: return false
-
-                            val stringsList = methodFingerprint.strings.toMutableList()
-
-                            implementation.instructions.forEachIndexed { instructionIndex, instruction ->
-                                if (
-                                    instruction.opcode != Opcode.CONST_STRING &&
-                                    instruction.opcode != Opcode.CONST_STRING_JUMBO
-                                ) return@forEachIndexed
-
-                                val string = ((instruction as ReferenceInstruction).reference as StringReference).string
-                                val index = stringsList.indexOfFirst(string::contains)
-                                if (index == -1) return@forEachIndexed
-
-                                add(
-                                    StringMatch(
-                                        string,
-                                        instructionIndex
-                                    )
-                                )
-                                stringsList.removeAt(index)
-                            }
-
-                            if (stringsList.isNotEmpty()) return false
-                        }
-                    )
-                } else null
-
-            val patternScanResult = if (methodFingerprint.opcodes != null) {
-                method.implementation?.instructions ?: return false
-
-                fun Method.patternScan(
-                    fingerprint: MethodFingerprint
-                ): MethodFingerprintResult.MethodFingerprintScanResult.PatternScanResult? {
-                    val instructions = this.implementation!!.instructions
-                    val fingerprintFuzzyPatternScanThreshold = fingerprint.fuzzyPatternScanMethod?.threshold ?: 0
-
-                    val pattern = fingerprint.opcodes!!
-                    val instructionLength = instructions.count()
-                    val patternLength = pattern.count()
-
-                    for (index in 0 until instructionLength) {
-                        var patternIndex = 0
-                        var threshold = fingerprintFuzzyPatternScanThreshold
-
-                        while (index + patternIndex < instructionLength) {
-                            val originalOpcode = instructions.elementAt(index + patternIndex).opcode
-                            val patternOpcode = pattern.elementAt(patternIndex)
-
-                            if (patternOpcode != null && patternOpcode.ordinal != originalOpcode.ordinal) {
-                                // Reaching maximum threshold (0) means,
-                                // the pattern does not match to the current instructions.
-                                if (threshold-- == 0) break
-                            }
-
-                            if (patternIndex < patternLength - 1) {
-                                // If the entire pattern has not been scanned yet
-                                // continue the scan.
-                                patternIndex++
-                                continue
-                            }
-                            // The pattern is valid, generate warnings if fuzzyPatternScanMethod is FuzzyPatternScanMethod
-                            val result =
-                                MethodFingerprintResult.MethodFingerprintScanResult.PatternScanResult(
-                                    index,
-                                    index + patternIndex
-                                )
-                            if (fingerprint.fuzzyPatternScanMethod !is FuzzyPatternScanMethod) return result
-                            result.warnings = result.createWarnings(pattern, instructions)
-
-                            return result
-                        }
-                    }
-
-                    return null
-                }
-
-                method.patternScan(methodFingerprint) ?: return false
-            } else null
-
-            methodFingerprint.result = MethodFingerprintResult(
-                method,
-                forClass,
-                MethodFingerprintResult.MethodFingerprintScanResult(
-                    patternScanResult,
-                    stringsScanResult
-                ),
-                context
-            )
-
-            return true
-        }
-
-        private fun MethodFingerprintResult.MethodFingerprintScanResult.PatternScanResult.createWarnings(
-            pattern: Iterable<Opcode?>, instructions: Iterable<Instruction>
-        ) = buildList {
-            for ((patternIndex, instructionIndex) in (this@createWarnings.startIndex until this@createWarnings.endIndex).withIndex()) {
-                val originalOpcode = instructions.elementAt(instructionIndex).opcode
-                val patternOpcode = pattern.elementAt(patternIndex)
-
-                if (patternOpcode == null || patternOpcode.ordinal == originalOpcode.ordinal) continue
-
-                this.add(
-                    MethodFingerprintResult.MethodFingerprintScanResult.PatternScanResult.Warning(
-                        originalOpcode,
-                        patternOpcode,
-                        instructionIndex,
-                        patternIndex
-                    )
-                )
-            }
-        }
-    }
-}
-
-/**
- * Represents the result of a [MethodFingerprintResult].
- *
- * @param method The matching method.
- * @param classDef The [ClassDef] that contains the matching [method].
- * @param scanResult The result of scanning for the [MethodFingerprint].
- * @param context The [BytecodeContext] this [MethodFingerprintResult] is attached to, to create proxies.
- */
-data class MethodFingerprintResult(
-    val method: Method,
-    val classDef: ClassDef,
-    val scanResult: MethodFingerprintScanResult,
-    internal val context: BytecodeContext
-) {
-    /**
-     * Returns a mutable clone of [classDef]
-     *
-     * Please note, this method allocates a [ClassProxy].
-     * Use [classDef] where possible.
-     */
-    @Suppress("MemberVisibilityCanBePrivate")
-    val mutableClass by lazy { context.classes.proxy(classDef).mutableClass }
-
-    /**
-     * Returns a mutable clone of [method]
-     *
-     * Please note, this method allocates a [ClassProxy].
-     * Use [method] where possible.
-     */
-    val mutableMethod by lazy {
-        mutableClass.methods.first {
-            MethodUtil.methodSignaturesMatch(it, this.method)
-        }
-    }
-
-    /**
-     * The result of scanning on the [MethodFingerprint].
-     * @param patternScanResult The result of the pattern scan.
-     * @param stringsScanResult The result of the string scan.
-     */
-    data class MethodFingerprintScanResult(
-        val patternScanResult: PatternScanResult?,
-        val stringsScanResult: StringsScanResult?
-    ) {
-        /**
-         * The result of scanning strings on the [MethodFingerprint].
-         * @param matches The list of strings that were matched.
-         */
-        data class StringsScanResult(val matches: List<StringMatch>) {
-            /**
-             * Represents a match for a string at an index.
-             * @param string The string that was matched.
-             * @param index The index of the string.
-             */
-            data class StringMatch(val string: String, val index: Int)
-        }
-
-        /**
-         * The result of a pattern scan.
-         * @param startIndex The start index of the instructions where to which this pattern matches.
-         * @param endIndex The end index of the instructions where to which this pattern matches.
-         * @param warnings A list of warnings considering this [PatternScanResult].
-         */
-        data class PatternScanResult(
-            val startIndex: Int,
-            val endIndex: Int,
-            var warnings: List<Warning>? = null
-        ) {
-            /**
-             * Represents warnings of the pattern scan.
-             * @param correctOpcode The opcode the instruction list has.
-             * @param wrongOpcode The opcode the pattern list of the signature currently has.
-             * @param instructionIndex The index of the opcode relative to the instruction list.
-             * @param patternIndex The index of the opcode relative to the pattern list from the signature.
-             */
-            data class Warning(
-                val correctOpcode: Opcode,
-                val wrongOpcode: Opcode,
-                val instructionIndex: Int,
-                val patternIndex: Int,
-            )
-        }
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/logging/Logger.kt

@@ -1,20 +0,0 @@
-package app.revanced.patcher.logging
-
-interface Logger {
-    fun error(msg: String) {}
-    fun warn(msg: String) {}
-    fun info(msg: String) {}
-    fun trace(msg: String) {}
-
-    object Nop : Logger
-}
-
-/**
- * Turn a Patcher [Logger] into an [app.revanced.arsc.logging.Logger].
- */
-internal fun Logger.asArscLogger() = object : app.revanced.arsc.logging.Logger {
-    override fun error(msg: String) = this@asArscLogger.error(msg)
-    override fun warn(msg: String) = this@asArscLogger.warn(msg)
-    override fun info(msg: String) = this@asArscLogger.info(msg)
-    override fun trace(msg: String) = this@asArscLogger.error(msg)
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/patch/OptionsContainer.kt

@@ -1,18 +0,0 @@
-package app.revanced.patcher.patch
-
-/**
- * A container for patch options.
- */
-abstract class OptionsContainer {
-    /**
-     * A list of [PatchOption]s.
-     * @see PatchOptions
-     */
-    @Suppress("MemberVisibilityCanBePrivate")
-    val options = PatchOptions()
-
-    protected fun <T> option(opt: PatchOption<T>): PatchOption<T> {
-        options.register(opt)
-        return opt
-    }
-}

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

@@ -1,42 +0,0 @@
-package app.revanced.patcher.patch
-
-import app.revanced.patcher.BytecodeContext
-import app.revanced.patcher.Context
-import app.revanced.patcher.ResourceContext
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
-import java.io.Closeable
-
-/**
- * A ReVanced patch.
- *
- * If it implements [Closeable], it will be closed after all patches have been executed.
- * Closing will be done in reverse execution order.
- */
-sealed interface Patch<out T : Context> {
-    /**
-     * The main function of the [Patch] which the patcher will call.
-     *
-     * @param context The [Context] the patch will work on.
-     */
-    suspend fun execute(context: @UnsafeVariance T)
-}
-
-/**
- * Resource patch for the Patcher.
- */
-interface ResourcePatch : Patch<ResourceContext>
-
-/**
- * Bytecode patch for the Patcher.
- *
- * @param fingerprints A list of [MethodFingerprint] this patch relies on.
- */
-abstract class BytecodePatch(
-    internal val fingerprints: Iterable<MethodFingerprint>? = null
-) : Patch<BytecodeContext>
-
-// TODO: populate this everywhere where the alias is not used yet
-/**
- * The class type of [Patch].
- */
-typealias PatchClass = Class<out Patch<Context>>

revanced-patcher/src/main/kotlin/app/revanced/patcher/patch/PatchException.kt

@@ -1,12 +0,0 @@
-package app.revanced.patcher.patch
-
-/**
- * An exception thrown when patching.
- *
- * @param errorMessage The exception message.
- * @param cause The corresponding [Throwable].
- */
-class PatchException(errorMessage: String?, cause: Throwable?) : Exception(errorMessage, cause) {
-    constructor(errorMessage: String) : this(errorMessage, null)
-    constructor(cause: Throwable) : this(cause.message, cause)
-}

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

@@ -1,230 +0,0 @@
-@file:Suppress("CanBeParameter", "MemberVisibilityCanBePrivate", "UNCHECKED_CAST")
-
-package app.revanced.patcher.patch
-
-import kotlin.reflect.KProperty
-
-class NoSuchOptionException(val option: String) : Exception("No such option: $option")
-class IllegalValueException(val value: Any?) : Exception("Illegal value: $value")
-class InvalidTypeException(val got: String, val expected: String) :
-    Exception("Invalid option value type: $got, expected $expected")
-
-object RequirementNotMetException : Exception("null was passed into an option that requires a value")
-
-/**
- * A registry for an array of [PatchOption]s.
- * @param options An array of [PatchOption]s.
- */
-class PatchOptions(vararg options: PatchOption<*>) : Iterable<PatchOption<*>> {
-    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
-    }
-
-    /**
-     * Get a [PatchOption] by its key.
-     * @param key The key of the [PatchOption].
-     */
-    @JvmName("getUntyped")
-    operator fun get(key: String) = register[key] ?: throw NoSuchOptionException(key)
-
-    /**
-     * Get a [PatchOption] by its key.
-     * @param key The key of the [PatchOption].
-     */
-    inline operator fun <reified T> get(key: String): PatchOption<T> {
-        val opt = get(key)
-        if (opt.value !is T) throw InvalidTypeException(
-            opt.value?.let { it::class.java.canonicalName } ?: "null",
-            T::class.java.canonicalName
-        )
-        return opt as PatchOption<T>
-    }
-
-    /**
-     * Set the value of a [PatchOption].
-     * @param key The key of the [PatchOption].
-     * @param value The value you want it to be.
-     * Please note that using the wrong value type results in a runtime error.
-     */
-    inline operator fun <reified T> set(key: String, value: T) {
-        val opt = get<T>(key)
-        if (opt.value !is T) throw InvalidTypeException(
-            T::class.java.canonicalName,
-            opt.value?.let { it::class.java.canonicalName } ?: "null"
-        )
-        opt.value = value
-    }
-
-    /**
-     * Sets the value of a [PatchOption] to `null`.
-     * @param key The key of the [PatchOption].
-     */
-    fun nullify(key: String) {
-        get(key).value = null
-    }
-
-    override fun iterator() = register.values.iterator()
-}
-
-/**
- * A [Patch] option.
- * @param key Unique identifier of the option. Example: _`settings.microg.enabled`_
- * @param default The default value of the option.
- * @param title A human-readable title of the option. Example: _MicroG Settings_
- * @param description A human-readable description of the option. Example: _Settings integration for MicroG._
- * @param required Whether the option is required.
- */
-@Suppress("MemberVisibilityCanBePrivate")
-sealed class PatchOption<T>(
-    val key: String,
-    default: T?,
-    val title: String,
-    val description: String,
-    val required: Boolean,
-    val validator: (T?) -> Boolean
-) {
-    var value: T? = default
-        get() {
-            if (field == null && required) {
-                throw RequirementNotMetException
-            }
-            return field
-        }
-        set(value) {
-            if (value == null && required) {
-                throw RequirementNotMetException
-            }
-            if (!validator(value)) {
-                throw IllegalValueException(value)
-            }
-            field = value
-        }
-
-    /**
-     * Gets the value of the option.
-     * Please note that using the wrong value type results in a runtime error.
-     */
-    @JvmName("getValueTyped")
-    inline operator fun <reified V> getValue(thisRef: Nothing?, property: KProperty<*>): V? {
-        if (value !is V?) throw InvalidTypeException(
-            V::class.java.canonicalName,
-            value?.let { it::class.java.canonicalName } ?: "null"
-        )
-        return value as? V?
-    }
-
-    operator fun getValue(thisRef: Any?, property: KProperty<*>) = value
-
-    /**
-     * Gets the value of the option.
-     * Please note that using the wrong value type results in a runtime error.
-     */
-    @JvmName("setValueTyped")
-    inline operator fun <reified V> setValue(thisRef: Nothing?, property: KProperty<*>, new: V) {
-        if (value !is V) throw InvalidTypeException(
-            V::class.java.canonicalName,
-            value?.let { it::class.java.canonicalName } ?: "null"
-        )
-        value = new as T
-    }
-
-    operator fun setValue(thisRef: Any?, property: KProperty<*>, new: T?) {
-        value = new
-    }
-
-    /**
-     * A [PatchOption] representing a [String].
-     * @see PatchOption
-     */
-    class StringOption(
-        key: String,
-        default: String?,
-        title: String,
-        description: String,
-        required: Boolean = false,
-        validator: (String?) -> Boolean = { true }
-    ) : PatchOption<String>(
-        key, default, title, description, required, validator
-    )
-
-    /**
-     * A [PatchOption] representing a [Boolean].
-     * @see PatchOption
-     */
-    class BooleanOption(
-        key: String,
-        default: Boolean?,
-        title: String,
-        description: String,
-        required: Boolean = false,
-        validator: (Boolean?) -> Boolean = { true }
-    ) : PatchOption<Boolean>(
-        key, default, title, description, required, validator
-    )
-
-    /**
-     * A [PatchOption] with a list of allowed options.
-     * @param options A list of allowed options for the [ListOption].
-     * @see PatchOption
-     */
-    sealed class ListOption<E>(
-        key: String,
-        default: E?,
-        val options: Iterable<E>,
-        title: String,
-        description: String,
-        required: Boolean = false,
-        validator: (E?) -> Boolean = { true }
-    ) : PatchOption<E>(
-        key, default, title, description, required, {
-            (it?.let { it in options } ?: true) && validator(it)
-        }
-    ) {
-        init {
-            if (default != null && default !in options) {
-                throw IllegalStateException("Default option must be an allowed option")
-            }
-        }
-    }
-
-    /**
-     * A [ListOption] of type [String].
-     * @see ListOption
-     */
-    class StringListOption(
-        key: String,
-        default: String?,
-        options: Iterable<String>,
-        title: String,
-        description: String,
-        required: Boolean = false,
-        validator: (String?) -> Boolean = { true }
-    ) : ListOption<String>(
-        key, default, options, title, description, required, validator
-    )
-
-    /**
-     * A [ListOption] of type [Int].
-     * @see ListOption
-     */
-    class IntListOption(
-        key: String,
-        default: Int?,
-        options: Iterable<Int>,
-        title: String,
-        description: String,
-        required: Boolean = false,
-        validator: (Int?) -> Boolean = { true }
-    ) : ListOption<Int>(
-        key, default, options, title, description, required, validator
-    )
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/patch/annotations/PatchAnnotation.kt

@@ -1,27 +0,0 @@
-package app.revanced.patcher.patch.annotations
-
-import app.revanced.patcher.Context
-import app.revanced.patcher.patch.Patch
-import kotlin.reflect.KClass
-
-/**
- * Annotation to mark a class as a patch.
- * @param include If false, the patch should be treated as optional by default.
- */
-@Target(AnnotationTarget.CLASS)
-annotation class Patch(val include: Boolean = true)
-
-/**
- * Annotation for dependencies of [Patch]es.
- */
-@Target(AnnotationTarget.CLASS)
-annotation class DependsOn(
-    val dependencies: Array<KClass<out Patch<Context>>> = [] // TODO: This should be a list of PatchClass instead
-)
-
-
-/**
- * Annotation to mark [Patch]es which depend on integrations.
- */
-@Target(AnnotationTarget.CLASS)
-annotation class RequiresIntegrations // TODO: Remove this annotation and replace it with a proper system

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/ClassMerger.kt

@@ -1,214 +0,0 @@
-package app.revanced.patcher.util
-
-import app.revanced.patcher.BytecodeContext
-import app.revanced.patcher.extensions.or
-import app.revanced.patcher.logging.Logger
-import app.revanced.patcher.util.ClassMerger.Utils.asMutableClass
-import app.revanced.patcher.util.ClassMerger.Utils.filterAny
-import app.revanced.patcher.util.ClassMerger.Utils.filterNotAny
-import app.revanced.patcher.util.ClassMerger.Utils.isPublic
-import app.revanced.patcher.util.ClassMerger.Utils.toPublic
-import app.revanced.patcher.util.TypeUtil.traverseClassHierarchy
-import app.revanced.patcher.util.proxy.mutableTypes.MutableClass
-import app.revanced.patcher.util.proxy.mutableTypes.MutableClass.Companion.toMutable
-import app.revanced.patcher.util.proxy.mutableTypes.MutableField
-import app.revanced.patcher.util.proxy.mutableTypes.MutableField.Companion.toMutable
-import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
-import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod.Companion.toMutable
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.iface.ClassDef
-import org.jf.dexlib2.util.MethodUtil
-import kotlin.reflect.KFunction2
-
-/**
- * Experimental class to merge a [ClassDef] with another.
- * Note: This will not consider method implementations or if the class is missing a superclass or interfaces.
- */
-internal object ClassMerger {
-    /**
-     * Merge a class with [otherClass].
-     *
-     * @param otherClass The class to merge with
-     * @param context The context to traverse the class hierarchy in.
-     * @param logger A logger.
-     */
-    fun ClassDef.merge(otherClass: ClassDef, context: BytecodeContext, logger: Logger? = null) = this
-        //.fixFieldAccess(otherClass, logger)
-        //.fixMethodAccess(otherClass, logger)
-        .addMissingFields(otherClass, logger)
-        .addMissingMethods(otherClass, logger)
-        .publicize(otherClass, context, logger)
-
-    /**
-     * Add methods which are missing but existing in [fromClass].
-     *
-     * @param fromClass The class to add missing methods from.
-     * @param logger A logger.
-     */
-    private fun ClassDef.addMissingMethods(fromClass: ClassDef, logger: Logger? = null): ClassDef {
-        val missingMethods = fromClass.methods.let { fromMethods ->
-            methods.filterNot { method ->
-                fromMethods.any { fromMethod ->
-                    MethodUtil.methodSignaturesMatch(fromMethod, method)
-                }
-            }
-        }
-
-        if (missingMethods.isEmpty()) return this
-
-        logger?.trace("Found ${missingMethods.size} missing methods")
-
-        return asMutableClass().apply {
-            methods.addAll(missingMethods.map { it.toMutable() })
-        }
-    }
-
-    /**
-     * Add fields which are missing but existing in [fromClass].
-     *
-     * @param fromClass The class to add missing fields from.
-     * @param logger A logger.
-     */
-    private fun ClassDef.addMissingFields(fromClass: ClassDef, logger: Logger? = null): ClassDef {
-        val missingFields = fields.filterNotAny(fromClass.fields) { field, fromField ->
-            fromField.name == field.name
-        }
-
-        if (missingFields.isEmpty()) return this
-
-        logger?.trace("Found ${missingFields.size} missing fields")
-
-        return asMutableClass().apply {
-            fields.addAll(missingFields.map { it.toMutable() })
-        }
-    }
-
-    /**
-     * Make a class and its super class public recursively.
-     * @param reference The class to check the [AccessFlags] of.
-     * @param context The context to traverse the class hierarchy in.
-     * @param logger A logger.
-     */
-    private fun ClassDef.publicize(reference: ClassDef, context: BytecodeContext, logger: Logger? = null) =
-        if (reference.accessFlags.isPublic() && !accessFlags.isPublic())
-            this.asMutableClass().apply {
-                context.traverseClassHierarchy(this) {
-                    if (accessFlags.isPublic()) return@traverseClassHierarchy
-
-                    logger?.trace("Publicizing ${this.type}")
-
-                    accessFlags = accessFlags.toPublic()
-                }
-            }
-        else this
-
-    /**
-     * Publicize fields if they are public in [reference].
-     *
-     * @param reference The class to check the [AccessFlags] of the fields in.
-     * @param logger A logger.
-     */
-    private fun ClassDef.fixFieldAccess(reference: ClassDef, logger: Logger? = null): ClassDef {
-        val brokenFields = fields.filterAny(reference.fields) { field, referenceField ->
-            if (field.name != referenceField.name) return@filterAny false
-
-            referenceField.accessFlags.isPublic() && !field.accessFlags.isPublic()
-        }
-
-        if (brokenFields.isEmpty()) return this
-
-        logger?.trace("Found ${brokenFields.size} broken fields")
-
-        /**
-         * Make a field public.
-         */
-        fun MutableField.publicize() {
-            accessFlags = accessFlags.toPublic()
-        }
-
-        return asMutableClass().apply {
-            fields.filter { brokenFields.contains(it) }.forEach(MutableField::publicize)
-        }
-    }
-
-    /**
-     * Publicize methods if they are public in [reference].
-     *
-     * @param reference The class to check the [AccessFlags] of the methods in.
-     * @param logger A logger.
-     */
-    private fun ClassDef.fixMethodAccess(reference: ClassDef, logger: Logger? = null): ClassDef {
-        val brokenMethods = methods.filterAny(reference.methods) { method, referenceMethod ->
-            if (!MethodUtil.methodSignaturesMatch(method, referenceMethod)) return@filterAny false
-
-            referenceMethod.accessFlags.isPublic() && !method.accessFlags.isPublic()
-        }
-
-        if (brokenMethods.isEmpty()) return this
-
-        logger?.trace("Found ${brokenMethods.size} methods")
-
-        /**
-         * Make a method public.
-         */
-        fun MutableMethod.publicize() {
-            accessFlags = accessFlags.toPublic()
-        }
-
-        return asMutableClass().apply {
-            methods.filter { brokenMethods.contains(it) }.forEach(MutableMethod::publicize)
-        }
-    }
-
-    private object Utils {
-        fun ClassDef.asMutableClass() = if (this is MutableClass) this else this.toMutable()
-
-        /**
-         * Check if the [AccessFlags.PUBLIC] flag is set.
-         *
-         * @return True, if the flag is set.
-         */
-        fun Int.isPublic() = AccessFlags.PUBLIC.isSet(this)
-
-        /**
-         * Make [AccessFlags] public.
-         *
-         * @return The new [AccessFlags].
-         */
-        fun Int.toPublic() = this.or(AccessFlags.PUBLIC).and(AccessFlags.PRIVATE.value.inv())
-
-        /**
-         * Filter [this] on [needles] matching the given [predicate].
-         *
-         * @param this The hay to filter for [needles].
-         * @param needles The needles to filter [this] with.
-         * @param predicate The filter.
-         * @return The [this] filtered on [needles] matching the given [predicate].
-         */
-        fun <HayType, NeedleType> Iterable<HayType>.filterAny(
-            needles: Iterable<NeedleType>, predicate: (HayType, NeedleType) -> Boolean
-        ) = Iterable<HayType>::filter.any(this, needles, predicate)
-
-        /**
-         * Filter [this] on [needles] not matching the given [predicate].
-         *
-         * @param this The hay to filter for [needles].
-         * @param needles The needles to filter [this] with.
-         * @param predicate The filter.
-         * @return The [this] filtered on [needles] not matching the given [predicate].
-         */
-        fun <HayType, NeedleType> Iterable<HayType>.filterNotAny(
-            needles: Iterable<NeedleType>, predicate: (HayType, NeedleType) -> Boolean
-        ) = Iterable<HayType>::filterNot.any(this, needles, predicate)
-
-        fun <HayType, NeedleType> KFunction2<Iterable<HayType>, (HayType) -> Boolean, List<HayType>>.any(
-            haystack: Iterable<HayType>,
-            needles: Iterable<NeedleType>,
-            predicate: (HayType, NeedleType) -> Boolean
-        ) = this(haystack) { hay ->
-            needles.any { needle ->
-                predicate(hay, needle)
-            }
-        }
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/ProxyBackedClassList.kt

@@ -1,89 +0,0 @@
-package app.revanced.patcher.util
-
-import app.revanced.patcher.util.proxy.ClassProxy
-import org.jf.dexlib2.iface.ClassDef
-
-/**
- * A class that represents a list of classes and proxies.
- *
- * @param classes The classes to be backed by proxies.
- */
-class ProxyBackedClassList(classes: Set<ClassDef>) : Iterable<ClassDef> {
-    // A list for pending proxied classes to be added to the current ProxyBackedClassList instance.
-    private val proxiedClasses = mutableListOf<ClassProxy>()
-    private val mutableClasses = classes.toMutableList()
-
-    /**
-     * Replace the [mutableClasses]es with their proxies.
-     */
-    internal fun applyProxies() {
-        proxiedClasses.removeIf { proxy ->
-            // If the proxy is unused, keep it in the proxiedClasses list.
-            if (!proxy.resolved) return@removeIf false
-
-            with(mutableClasses) {
-                remove(proxy.immutableClass)
-                add(proxy.mutableClass)
-            }
-
-            return@removeIf true
-        }
-    }
-
-    /**
-     * Replace a [ClassDef] at a given [index].
-     *
-     * @param index The index of the class to be replaced.
-     * @param classDef The new class to replace the old one.
-     */
-    operator fun set(index: Int, classDef: ClassDef) {
-        mutableClasses[index] = classDef
-    }
-
-    /**
-     * Get a [ClassDef] at a given [index].
-     *
-     * @param index The index of the class.
-     */
-    operator fun get(index: Int) = mutableClasses[index]
-
-    /**
-     * Iterator for the classes in [ProxyBackedClassList].
-     *
-     * @return The iterator for the classes.
-     */
-    override fun iterator() = mutableClasses.iterator()
-
-    /**
-     * Proxy a [ClassDef].
-     *
-     * Note: This creates a [ClassProxy] of the [ClassDef], if not already present.
-     *
-     * @return A proxy for the given class.
-     */
-    fun proxy(classDef: ClassDef) = proxiedClasses
-        .find { it.immutableClass.type == classDef.type } ?: ClassProxy(classDef).also(proxiedClasses::add)
-
-    /**
-     * Add a [ClassDef].
-     */
-    fun add(classDef: ClassDef) = mutableClasses.add(classDef)
-
-    /**
-     * Find a class by a given class name.
-     *
-     * @param className The name of the class.
-     * @return A proxy for the first class that matches the class name.
-     */
-    fun findClassProxied(className: String) = findClassProxied { it.type.contains(className) }
-
-    /**
-     * Find a class by a given predicate.
-     *
-     * @param predicate A predicate to match the class.
-     * @return A proxy for the first class that matches the predicate.
-     */
-    fun findClassProxied(predicate: (ClassDef) -> Boolean) = this.find(predicate)?.let(::proxy)
-
-    val size get() = mutableClasses.size
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/TypeUtil.kt

@@ -1,19 +0,0 @@
-package app.revanced.patcher.util
-
-import app.revanced.patcher.BytecodeContext
-import app.revanced.patcher.util.proxy.mutableTypes.MutableClass
-
-object TypeUtil {
-    /**
-     * Traverse the class hierarchy starting from the given root class.
-     *
-     * @param targetClass The class to start traversing the class hierarchy from.
-     * @param callback The function that is called for every class in the hierarchy.
-     */
-    fun BytecodeContext.traverseClassHierarchy(targetClass: MutableClass, callback: MutableClass.() -> Unit) {
-        callback(targetClass)
-        this.classes.findClassProxied(targetClass.superclass ?: return)?.mutableClass?.let {
-            traverseClassHierarchy(it, callback)
-        }
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/VersionReader.kt

@@ -1,19 +0,0 @@
-package app.revanced.patcher.util
-
-import java.util.*
-
-@Deprecated("This class serves no purpose anymore")
-internal object VersionReader {
-    @JvmStatic
-    private val properties = Properties().apply {
-        load(
-            VersionReader::class.java.getResourceAsStream("/app/revanced/patcher/version.properties")
-                ?: throw IllegalStateException("Could not load version.properties")
-        )
-    }
-
-    @JvmStatic
-    fun read(): String {
-        return properties.getProperty("version") ?: throw IllegalStateException("Version not found")
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/patch/PatchBundle.kt

@@ -1,59 +0,0 @@
-@file:Suppress("unused")
-
-package app.revanced.patcher.util.patch
-
-import app.revanced.patcher.extensions.AnnotationExtensions.findAnnotationRecursively
-import app.revanced.patcher.patch.Patch
-import app.revanced.patcher.patch.PatchClass
-import dalvik.system.PathClassLoader
-import org.jf.dexlib2.DexFileFactory
-import java.io.File
-import java.net.URLClassLoader
-import java.util.jar.JarFile
-import kotlin.streams.toList
-
-/**
- * A patch bundle.
- *
- * @param fromClasses The classes to get [Patch]es from.
- */
-sealed class PatchBundle private constructor(fromClasses: Iterable<Class<*>>) : Iterable<PatchClass> {
-    private val patches = fromClasses.filter {
-        if (it.isAnnotation) return@filter false
-
-        it.findAnnotationRecursively(app.revanced.patcher.patch.annotations.Patch::class) != null
-    }.map {
-        @Suppress("UNCHECKED_CAST")
-        it as PatchClass
-    }
-
-    override fun iterator() = patches.iterator()
-
-    /**
-     * A patch bundle of type [Jar].
-     *
-     * @param patchBundlePath The path to a patch bundle.
-     */
-    class Jar(private val patchBundlePath: File) : PatchBundle(
-        with(URLClassLoader(arrayOf(patchBundlePath.toURI().toURL()), PatchBundle::class.java.classLoader)) {
-            JarFile(patchBundlePath).stream().filter { it.name.endsWith(".class") }.map {
-                loadClass(
-                    it.realName.replace('/', '.').replace(".class", "")
-                )
-            }.toList()
-        }
-    )
-
-    /**
-     * A patch bundle of type [Dex] format.
-     *
-     * @param patchBundlePath The path to a patch bundle of dex format.
-     */
-    class Dex(private val patchBundlePath: File) : PatchBundle(
-        with(PathClassLoader(patchBundlePath.absolutePath, null, PatchBundle::class.java.classLoader)) {
-            DexFileFactory.loadDexFile(patchBundlePath, null).classes.map { classDef ->
-                classDef.type.substring(1, classDef.length - 1).replace('/', '.')
-            }.map { loadClass(it) }
-        }
-    )
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/proxy/ClassProxy.kt

@@ -1,33 +0,0 @@
-package app.revanced.patcher.util.proxy
-
-import app.revanced.patcher.util.proxy.mutableTypes.MutableClass
-import org.jf.dexlib2.iface.ClassDef
-
-/**
- * A proxy class for a [ClassDef].
- *
- * A class proxy simply holds a reference to the original class
- * and allocates a mutable clone for the original class if needed.
- * @param immutableClass The class to proxy.
- */
-class ClassProxy internal constructor(
-    val immutableClass: ClassDef,
-) {
-    /**
-     * Weather the proxy was actually used.
-     */
-    internal var resolved = false
-
-    /**
-     * The mutable clone of the original class.
-     *
-     * Note: This is only allocated if the proxy is actually used.
-     */
-    val mutableClass by lazy {
-        resolved = true
-        if (immutableClass is MutableClass) {
-            immutableClass
-        } else
-            MutableClass(immutableClass)
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/smali/ExternalLabel.kt

@@ -1,10 +0,0 @@
-package app.revanced.patcher.util.smali
-
-import org.jf.dexlib2.iface.instruction.Instruction
-
-/**
- * A class that represents a label for an instruction.
- * @param name The label name.
- * @param instruction The instruction that this label is for.
- */
-data class ExternalLabel(internal val name: String, internal val instruction: Instruction)

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/smali/InlineSmaliCompiler.kt

@@ -1,84 +0,0 @@
-package app.revanced.patcher.util.smali
-
-import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
-import org.antlr.runtime.CommonTokenStream
-import org.antlr.runtime.TokenSource
-import org.antlr.runtime.tree.CommonTreeNodeStream
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcodes
-import org.jf.dexlib2.builder.BuilderInstruction
-import org.jf.dexlib2.writer.builder.DexBuilder
-import org.jf.smali.LexerErrorInterface
-import org.jf.smali.smaliFlexLexer
-import org.jf.smali.smaliParser
-import org.jf.smali.smaliTreeWalker
-import java.io.InputStreamReader
-
-private const val METHOD_TEMPLATE = """
-    .class LInlineCompiler;
-    .super Ljava/lang/Object;
-    .method %s dummyMethod(%s)V
-        .registers %d
-        %s
-    .end method
-"""
-
-class InlineSmaliCompiler {
-    companion object {
-        /**
-         * Compiles a string of Smali code to a list of instructions.
-         * Special registers (such as p0, p1) will only work correctly
-         * if the parameters and registers of the method are passed.
-         */
-        fun compile(
-            instructions: String, parameters: String, registers: Int, forStaticMethod: Boolean
-        ): List<BuilderInstruction> {
-            val input = METHOD_TEMPLATE.format(
-                if (forStaticMethod) {
-                    "static"
-                } else {
-                    ""
-                }, parameters, registers, instructions
-            )
-            val reader = InputStreamReader(input.byteInputStream())
-            val lexer: LexerErrorInterface = smaliFlexLexer(reader, 15)
-            val tokens = CommonTokenStream(lexer as TokenSource)
-            val parser = smaliParser(tokens)
-            val result = parser.smali_file()
-            if (parser.numberOfSyntaxErrors > 0 || lexer.numberOfSyntaxErrors > 0) {
-                throw IllegalStateException(
-                    "Encountered ${parser.numberOfSyntaxErrors} parser syntax errors and ${lexer.numberOfSyntaxErrors} lexer syntax errors!"
-                )
-            }
-            val treeStream = CommonTreeNodeStream(result.tree)
-            treeStream.tokenStream = tokens
-            val dexGen = smaliTreeWalker(treeStream)
-            dexGen.setDexBuilder(DexBuilder(Opcodes.getDefault()))
-            val classDef = dexGen.smali_file()
-            return classDef.methods.first().implementation!!.instructions.map { it as BuilderInstruction }
-        }
-    }
-}
-
-/**
- * Compile lines of Smali code to a list of instructions.
- *
- * Note: Adding compiled instructions to an existing method with
- * offset instructions WITHOUT specifying a parent method will not work.
- * @param method The method to compile the instructions against.
- * @returns A list of instructions.
- */
-fun String.toInstructions(method: MutableMethod? = null): List<BuilderInstruction> {
-    return InlineSmaliCompiler.compile(this,
-        method?.parameters?.joinToString("") { it } ?: "",
-        method?.implementation?.registerCount ?: 1,
-        method?.let { AccessFlags.STATIC.isSet(it.accessFlags) } ?: true
-    )
-}
-
-/**
- * Compile a line of Smali code to an instruction.
- * @param templateMethod The method to compile the instructions against.
- * @return The instruction.
- */
-fun String.toInstruction(templateMethod: MutableMethod? = null) = this.toInstructions(templateMethod).first()

revanced-patcher/src/main/resources/app/revanced/patcher/version.properties

@@ -1 +0,0 @@
-version=${projectVersion}

revanced-patcher/src/test/kotlin/app/revanced/patcher/issues/Issue98.kt

@@ -1,18 +0,0 @@
-package app.revanced.patcher.issues
-
-import app.revanced.patcher.patch.PatchOption
-import org.junit.jupiter.api.Test
-import kotlin.test.assertNull
-
-internal class Issue98 {
-    companion object {
-        var key1: String? by PatchOption.StringOption(
-            "key1", null, "title", "description"
-        )
-    }
-
-    @Test
-    fun `should infer nullable type correctly`() {
-        assertNull(key1)
-    }
-}

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

@@ -1,107 +0,0 @@
-package app.revanced.patcher.patch
-
-import app.revanced.patcher.usage.bytecode.ExampleBytecodePatch
-import org.junit.jupiter.api.Test
-import org.junit.jupiter.api.assertThrows
-import kotlin.test.assertNotEquals
-
-internal class PatchOptionsTest {
-    private val options = ExampleBytecodePatch.options
-
-    @Test
-    fun `should not throw an exception`() {
-        for (option in options) {
-            when (option) {
-                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)
-                    }
-                }
-            }
-        }
-        val option = options.get<String>("key1")
-        // or: val option: String? by options["key1"]
-        // then you won't need `.value` every time
-        println(option.value)
-        options["key1"] = "Hello, world!"
-        println(option.value)
-    }
-
-    @Test
-    fun `should return a different value when changed`() {
-        var value: String? by options["key1"]
-        val current = value + "" // force a copy
-        value = "Hello, world!"
-        assertNotEquals(current, value)
-    }
-
-    @Test
-    fun `should be able to set value to null`() {
-        // Sadly, doing:
-        // > options["key2"] = null
-        // is not possible because Kotlin
-        // cannot reify the type "Nothing?".
-        // So we have to do this instead:
-        options["key2"] = null as Any?
-        // This is a cleaner replacement for the above:
-        options.nullify("key2")
-    }
-
-    @Test
-    fun `should fail because the option does not exist`() {
-        assertThrows<NoSuchOptionException> {
-            options["this option does not exist"] = 123
-        }
-    }
-
-    @Test
-    fun `should fail because of invalid value type when setting an option`() {
-        assertThrows<InvalidTypeException> {
-            options["key1"] = 123
-        }
-    }
-
-    @Test
-    fun `should fail because of invalid value type when getting an option`() {
-        assertThrows<InvalidTypeException> {
-            options.get<Int>("key1")
-        }
-    }
-
-    @Test
-    fun `should fail because of an illegal value`() {
-        assertThrows<IllegalValueException> {
-            options["key3"] = "this value is not an allowed option"
-        }
-    }
-
-    @Test
-    fun `should fail because the requirement is not met`() {
-        assertThrows<RequirementNotMetException> {
-            options.nullify("key1")
-        }
-    }
-
-    @Test
-    fun `should fail because getting a non-initialized option is illegal`() {
-        assertThrows<RequirementNotMetException> {
-            println(options["key5"].value)
-        }
-    }
-}

revanced-patcher/src/test/kotlin/app/revanced/patcher/usage/bytecode/ExampleFingerprint.kt

@@ -1,20 +0,0 @@
-package app.revanced.patcher.usage.bytecode
-import app.revanced.patcher.extensions.or
-import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
-
-@FuzzyPatternScanMethod(2)
-object ExampleFingerprint : MethodFingerprint(
-    "V",
-    AccessFlags.PUBLIC or AccessFlags.STATIC,
-    listOf("[L"),
-    listOf(
-        Opcode.SGET_OBJECT,
-        null,                 // Testing unknown opcodes.
-        Opcode.INVOKE_STATIC, // This is intentionally wrong to test the Fuzzy resolver.
-        Opcode.RETURN_VOID
-    ),
-    null
-)

revanced-patcher/src/test/kotlin/app/revanced/patcher/usage/resource/patch/ExampleResourcePatch.kt

@@ -1,33 +0,0 @@
-package app.revanced.patcher.usage.resource.patch
-
-import app.revanced.patcher.ResourceContext
-import app.revanced.patcher.annotation.Description
-import app.revanced.patcher.annotation.Name
-import app.revanced.patcher.annotation.Version
-import app.revanced.patcher.apk.Apk
-import app.revanced.patcher.openXmlFile
-import app.revanced.patcher.patch.ResourcePatch
-import app.revanced.patcher.patch.annotations.Patch
-import app.revanced.patcher.usage.resource.annotation.ExampleResourceCompatibility
-import org.w3c.dom.Element
-
-@Patch
-@Name("example-resource-patch")
-@Description("Example demonstration of a resource patch.")
-@ExampleResourceCompatibility
-@Version("0.0.1")
-class ExampleResourcePatch : ResourcePatch {
-    override suspend fun execute(context: ResourceContext) {
-        context.apkBundle.base.resources.openXmlFile(Apk.MANIFEST_FILE_NAME).use { editor ->
-            val element = editor // regular DomFileEditor
-                .file
-                .getElementsByTagName("application")
-                .item(0) as Element
-            element
-                .setAttribute(
-                    "exampleAttribute",
-                    "exampleValue"
-                )
-        }
-    }
-}

revanced-patcher/src/test/kotlin/app/revanced/patcher/util/smali/InlineSmaliCompilerTest.kt

@@ -1,105 +0,0 @@
-package app.revanced.patcher.util.smali
-
-import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
-import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
-import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
-import app.revanced.patcher.extensions.newLabel
-import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod.Companion.toMutable
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
-import org.jf.dexlib2.builder.BuilderInstruction
-import org.jf.dexlib2.builder.MutableMethodImplementation
-import org.jf.dexlib2.builder.instruction.BuilderInstruction21c
-import org.jf.dexlib2.builder.instruction.BuilderInstruction21t
-import org.jf.dexlib2.immutable.ImmutableMethod
-import org.jf.dexlib2.immutable.reference.ImmutableStringReference
-import java.util.*
-import kotlin.test.Test
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-internal class InlineSmaliCompilerTest {
-    @Test
-    fun `compiler should output valid instruction`() {
-        val want = BuilderInstruction21c(Opcode.CONST_STRING, 0, ImmutableStringReference("Test")) as BuilderInstruction
-        val have = "const-string v0, \"Test\"".toInstruction()
-        instructionEquals(want, have)
-    }
-
-    @Test
-    fun `compiler should support branching with own branches`() {
-        val method = createMethod()
-        val insnAmount = 8
-        val insnIndex = insnAmount - 2
-        val targetIndex = insnIndex - 1
-
-        method.addInstructions(arrayOfNulls<String>(insnAmount).also {
-            Arrays.fill(it, "const/4 v0, 0x0")
-        }.joinToString("\n"))
-        method.addInstructionsWithLabels(
-            targetIndex,
-            """
-                :test
-                const/4 v0, 0x1
-                if-eqz v0, :test
-            """
-        )
-
-        val insn = method.getInstruction<BuilderInstruction21t>(insnIndex)
-        assertEquals(targetIndex, insn.target.location.index)
-    }
-
-    @Test
-    fun `compiler should support branching to outside branches`() {
-        val method = createMethod()
-        val insnIndex = 3
-        val labelIndex = 1
-
-        method.addInstructions(
-            """
-                const/4 v0, 0x1
-                const/4 v0, 0x0
-            """
-        )
-
-        assertEquals(labelIndex, method.newLabel(labelIndex).location.index)
-
-        method.addInstructionsWithLabels(
-            method.implementation!!.instructions.size,
-            """
-                const/4 v0, 0x1
-                if-eqz v0, :test
-                return-void
-            """,
-            ExternalLabel("test", method.getInstruction(1))
-        )
-
-        val insn = method.getInstruction<BuilderInstruction21t>(insnIndex)
-        assertTrue(insn.target.isPlaced, "Label was not placed")
-        assertEquals(labelIndex, insn.target.location.index)
-    }
-
-    companion object {
-        private fun createMethod(
-            name: String = "dummy",
-            returnType: String = "V",
-            accessFlags: Int = AccessFlags.STATIC.value,
-            registerCount: Int = 1,
-        ) = ImmutableMethod(
-            "Ldummy;",
-            name,
-            emptyList(), // parameters
-            returnType,
-            accessFlags,
-            emptySet(),
-            emptySet(),
-            MutableMethodImplementation(registerCount)
-        ).toMutable()
-
-        private fun instructionEquals(want: BuilderInstruction, have: BuilderInstruction) {
-            assertEquals(want.opcode, have.opcode)
-            assertEquals(want.format, have.format)
-            assertEquals(want.codeUnits, have.codeUnits)
-        }
-    }
-}

settings.gradle.kts

@@ -1,28 +1 @@
-pluginManagement {
-    repositories {
-        mavenCentral()
-        maven {
-            url = uri("https://maven.pkg.github.com/revanced/multidexlib2")
-            credentials {
-                username = providers.gradleProperty("gpr.user").orNull ?: System.getenv("GITHUB_ACTOR")
-                password = providers.gradleProperty("gpr.key").orNull ?: System.getenv("GITHUB_TOKEN")
-            }
-        }
-    }
-}
-
-dependencyResolutionManagement {
-    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
-    repositories {
-        mavenCentral()
-        maven {
-            url = uri("https://maven.pkg.github.com/revanced/multidexlib2")
-            credentials {
-                username = providers.gradleProperty("gpr.user").orNull ?: System.getenv("GITHUB_ACTOR")
-                password = providers.gradleProperty("gpr.key").orNull ?: System.getenv("GITHUB_TOKEN")
-            }
-        }
-    }
-}
-
-include("revanced-patcher", "arsclib-utils")
+rootProject.name = "revanced-patcher"

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

@@ -0,0 +1,241 @@
+package app.revanced.patcher
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.data.PatcherData
+import app.revanced.patcher.data.base.Data
+import app.revanced.patcher.data.implementation.findIndexed
+import app.revanced.patcher.extensions.findAnnotationRecursively
+import app.revanced.patcher.extensions.nullOutputStream
+import app.revanced.patcher.patch.base.Patch
+import app.revanced.patcher.patch.implementation.BytecodePatch
+import app.revanced.patcher.patch.implementation.ResourcePatch
+import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.resolver.MethodSignatureResolver
+import app.revanced.patcher.util.ListBackedSet
+import brut.androlib.Androlib
+import brut.androlib.meta.UsesFramework
+import brut.androlib.res.AndrolibResources
+import brut.androlib.res.data.ResPackage
+import brut.androlib.res.decoder.AXmlResourceParser
+import brut.androlib.res.decoder.ResAttrDecoder
+import brut.androlib.res.decoder.XmlPullStreamDecoder
+import brut.directory.ExtFile
+import lanchon.multidexlib2.BasicDexFileNamer
+import lanchon.multidexlib2.DexIO
+import lanchon.multidexlib2.MultiDexIO
+import org.jf.dexlib2.Opcodes
+import org.jf.dexlib2.iface.ClassDef
+import org.jf.dexlib2.iface.DexFile
+import org.jf.dexlib2.writer.io.MemoryDataStore
+import java.io.File
+
+val NAMER = BasicDexFileNamer()
+
+/**
+ * The ReVanced Patcher.
+ * @param inputFile The input file (usually an apk file).
+ * @param resourceCacheDirectory Directory to cache resources.
+ * @param patchResources Weather to use the resource patcher. Resources will still need to be decoded.
+ */
+class Patcher(
+    inputFile: File,
+    // TODO: maybe a file system in memory is better. Could cause high memory usage.
+    private val resourceCacheDirectory: String,
+    private val patchResources: Boolean = false
+) {
+    val packageVersion: String
+    val packageName: String
+
+    private lateinit var usesFramework: UsesFramework
+    private val patcherData: PatcherData
+    private val opcodes: Opcodes
+    private var signaturesResolved = false
+
+    init {
+        val extFileInput = ExtFile(inputFile)
+        val outDir = File(resourceCacheDirectory)
+
+        if (outDir.exists()) outDir.deleteRecursively()
+        outDir.mkdir()
+
+        // load the resource table from the input file
+        val androlib = Androlib()
+        val resourceTable = androlib.getResTable(extFileInput, true)
+
+        if (patchResources) {
+            // 1. decode resources to cache directory
+            androlib.decodeManifestWithResources(extFileInput, outDir, resourceTable)
+            androlib.decodeResourcesFull(extFileInput, outDir, resourceTable)
+
+            // 2. read framework ids from the resource table
+            usesFramework = UsesFramework()
+            usesFramework.ids = resourceTable.listFramePackages().map { it.id }.sorted()
+        } else {
+            // create decoder for the resource table
+            val decoder = ResAttrDecoder()
+            decoder.currentPackage = ResPackage(resourceTable, 0, null)
+
+            // create xml parser with the decoder
+            val axmlParser = AXmlResourceParser()
+            axmlParser.attrDecoder = decoder
+
+            // parse package information with the decoder and parser which will set required values in the resource table
+            // instead of decodeManifest another more low level solution can be created to make it faster/better
+            XmlPullStreamDecoder(
+                axmlParser, AndrolibResources().resXmlSerializer
+            ).decodeManifest(
+                extFileInput.directory.getFileInput("AndroidManifest.xml"), nullOutputStream
+            )
+        }
+
+        // set package information
+        packageVersion = resourceTable.versionInfo.versionName
+        packageName = resourceTable.currentResPackage.name
+        // read dex files
+        val dexFile = MultiDexIO.readDexFile(true, inputFile, NAMER, null, null)
+        opcodes = dexFile.opcodes
+
+        // save to patcher data
+        patcherData = PatcherData(dexFile.classes.toMutableList(), resourceCacheDirectory)
+    }
+
+    /**
+     * Add additional dex file container to the patcher.
+     * @param files The dex file containers to add to the patcher.
+     * @param allowedOverwrites A list of class types that are allowed to be overwritten.
+     * @param throwOnDuplicates If this is set to true, the patcher will throw an exception if a duplicate class has been found.
+     */
+    fun addFiles(
+        files: Iterable<File>, allowedOverwrites: Iterable<String> = emptyList(), throwOnDuplicates: Boolean = false
+    ) {
+        for (file in files) {
+            val dexFile = MultiDexIO.readDexFile(true, file, NAMER, null, null)
+            for (classDef in dexFile.classes) {
+                val e = patcherData.bytecodeData.classes.internalClasses.findIndexed { it.type == classDef.type }
+                if (e != null) {
+                    if (throwOnDuplicates) {
+                        throw Exception("Class ${classDef.type} has already been added to the patcher.")
+                    }
+                    val (_, idx) = e
+                    if (allowedOverwrites.contains(classDef.type)) {
+                        patcherData.bytecodeData.classes.internalClasses[idx] = classDef
+                    }
+                    continue
+                }
+                patcherData.bytecodeData.classes.internalClasses.add(classDef)
+            }
+        }
+    }
+
+    /**
+     * Save the patched dex file.
+     */
+    fun save(): Map<String, MemoryDataStore> {
+        val newDexFile = object : DexFile {
+            override fun getClasses(): Set<ClassDef> {
+                patcherData.bytecodeData.classes.applyProxies()
+                return ListBackedSet(patcherData.bytecodeData.classes.internalClasses)
+            }
+
+            override fun getOpcodes(): Opcodes {
+                return this@Patcher.opcodes
+            }
+        }
+
+        // build modified resources
+        if (patchResources) {
+            val extDir = ExtFile(resourceCacheDirectory)
+
+            // TODO: figure out why a new instance of Androlib is necessary here
+            Androlib().buildResources(extDir, usesFramework)
+        }
+
+        // write dex modified files
+        val output = mutableMapOf<String, MemoryDataStore>()
+        MultiDexIO.writeDexFile(
+            true, -1, // core count
+            output, NAMER, newDexFile, DexIO.DEFAULT_MAX_DEX_POOL_SIZE, null
+        )
+        return output
+    }
+
+    /**
+     * Add a patch to the patcher.
+     * @param patches The patches to add.
+     */
+    fun addPatches(patches: Iterable<Patch<Data>>) {
+        patcherData.patches.addAll(patches)
+    }
+
+    /**
+     * Resolves all signatures.
+     */
+    fun resolveSignatures(): List<MethodSignature> {
+        val signatures = buildList {
+            for (patch in patcherData.patches) {
+                if (patch !is BytecodePatch) continue
+                this.addAll(patch.signatures)
+            }
+        }
+        if (signatures.isEmpty()) {
+            return emptyList()
+        }
+
+        MethodSignatureResolver(patcherData.bytecodeData.classes.internalClasses, signatures).resolve(patcherData)
+        signaturesResolved = true
+        return signatures
+    }
+
+
+    /**
+     * Apply patches loaded into the patcher.
+     * @param stopOnError If true, the patches will stop on the first error.
+     * @return A map of [PatchResultSuccess]. If the [Patch] was successfully applied,
+     * [PatchResultSuccess] will always be returned to the wrapping Result object.
+     * If the [Patch] failed to apply, an Exception will always be returned to the wrapping Result object.
+     */
+    fun applyPatches(
+        stopOnError: Boolean = false, callback: (String) -> Unit = {}
+    ): Map<String, Result<PatchResultSuccess>> {
+        if (!signaturesResolved) {
+            resolveSignatures()
+        }
+        return buildMap {
+            for (patch in patcherData.patches) {
+                val resourcePatch = patch is ResourcePatch
+                if (!patchResources && resourcePatch) continue
+
+                val patchNameAnnotation = patch::class.java.findAnnotationRecursively(Name::class.java)
+
+                patchNameAnnotation?.let {
+                    callback(it.name)
+                }
+
+                val result: Result<PatchResultSuccess> = try {
+                    val data = if (resourcePatch) {
+                        patcherData.resourceData
+                    } else {
+                        patcherData.bytecodeData
+                    }
+
+                    val pr = patch.execute(data)
+
+                    if (pr.isSuccess()) {
+                        Result.success(pr.success()!!)
+                    } else {
+                        Result.failure(Exception(pr.error()?.errorMessage() ?: "Unknown error"))
+                    }
+                } catch (e: Exception) {
+                    Result.failure(e)
+                }
+
+                patchNameAnnotation?.let {
+                    this[patchNameAnnotation.name] = result
+                }
+
+                if (result.isFailure && stopOnError) break
+            }
+        }
+    }
+}

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

@@ -0,0 +1,28 @@
+package app.revanced.patcher.annotation
+
+import app.revanced.patcher.patch.base.Patch
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+
+/**
+ * Annotation to constrain a [Patch] or [MethodSignature] to compatible packages.
+ * @param compatiblePackages A list of packages a [Patch] or [MethodSignature] is compatible with.
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+@MustBeDocumented
+annotation class Compatibility(
+    val compatiblePackages: Array<Package>,
+)
+
+/**
+ * Annotation to represent packages a patch can be compatible with.
+ * @param name The package identifier name.
+ * @param versions The versions of the package the [Patch] or [MethodSignature]is compatible with.
+ */
+@Target()
+@Retention(AnnotationRetention.RUNTIME)
+@MustBeDocumented
+annotation class Package(
+    val name: String,
+    val versions: Array<String>
+)

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

@@ -0,0 +1,38 @@
+package app.revanced.patcher.annotation
+
+import app.revanced.patcher.patch.base.Patch
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+
+/**
+ * Annotation to name a [Patch] or [MethodSignature].
+ * @param name A suggestive name for the [Patch] or [MethodSignature].
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+@MustBeDocumented
+annotation class Name(
+    val name: String,
+)
+
+/**
+ * Annotation to describe a [Patch] or [MethodSignature].
+ * @param description A description for the [Patch] or [MethodSignature].
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+@MustBeDocumented
+annotation class Description(
+    val description: String,
+)
+
+
+/**
+ * Annotation to version a [Patch] or [MethodSignature].
+ * @param version The version of a [Patch] or [MethodSignature].
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+@MustBeDocumented
+annotation class Version(
+    val version: String,
+)

src/main/kotlin/app/revanced/patcher/data/PatcherData.kt

@@ -0,0 +1,18 @@
+package app.revanced.patcher.data
+
+import app.revanced.patcher.data.base.Data
+import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.data.implementation.ResourceData
+import app.revanced.patcher.patch.base.Patch
+import org.jf.dexlib2.iface.ClassDef
+import java.io.File
+
+internal data class PatcherData(
+    val internalClasses: MutableList<ClassDef>,
+    val resourceCacheDirectory: String
+) {
+    internal val patches = mutableListOf<Patch<Data>>()
+
+    internal val bytecodeData = BytecodeData(patches, internalClasses)
+    internal val resourceData = ResourceData(File(resourceCacheDirectory))
+}

src/main/kotlin/app/revanced/patcher/data/base/Data.kt

@@ -0,0 +1,9 @@
+package app.revanced.patcher.data.base
+
+import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.data.implementation.ResourceData
+
+/**
+ * Constraint interface for [BytecodeData] and [ResourceData]
+ */
+interface Data

src/main/kotlin/app/revanced/patcher/data/implementation/BytecodeData.kt

@@ -0,0 +1,86 @@
+package app.revanced.patcher.data.implementation
+
+import app.revanced.patcher.data.base.Data
+import app.revanced.patcher.patch.base.Patch
+import app.revanced.patcher.patch.implementation.BytecodePatch
+import app.revanced.patcher.signature.implementation.method.resolver.SignatureResolverResult
+import app.revanced.patcher.util.ProxyBackedClassList
+import app.revanced.patcher.util.method.MethodWalker
+import org.jf.dexlib2.iface.ClassDef
+import org.jf.dexlib2.iface.Method
+
+class BytecodeData(
+    // FIXME: ugly solution due to design.
+    //  It does not make sense for a BytecodeData instance to have access to the patches
+    private val patches: List<Patch<Data>>,
+    internalClasses: MutableList<ClassDef>
+) : Data {
+    val classes = ProxyBackedClassList(internalClasses)
+
+    /**
+     * Find a class by a given class name
+     * @return A proxy for the first class that matches the class name
+     */
+    fun findClass(className: String) = findClass { it.type.contains(className) }
+
+    /**
+     * Find a class by a given predicate
+     * @return A proxy for the first class that matches the predicate
+     */
+    fun findClass(predicate: (ClassDef) -> Boolean): app.revanced.patcher.util.proxy.ClassProxy? {
+        // if we already proxied the class matching the predicate...
+        for (patch in patches) {
+            if (patch !is BytecodePatch) continue
+            for (signature in patch.signatures) {
+                val result = signature.result
+                result ?: continue
+
+                if (predicate(result.definingClassProxy.immutableClass)) return result.definingClassProxy  // ...then return that proxy
+            }
+        }
+        // else resolve the class to a proxy and return it, if the predicate is matching a class
+        return classes.find(predicate)?.let {
+            proxy(it)
+        }
+    }
+}
+
+
+class MethodMap : LinkedHashMap<String, SignatureResolverResult>() {
+    override fun get(key: String): SignatureResolverResult {
+        return super.get(key) ?: throw MethodNotFoundException("Method $key was not found in the method cache")
+    }
+}
+
+internal class MethodNotFoundException(s: String) : Exception(s)
+
+internal inline fun <reified T> Iterable<T>.find(predicate: (T) -> Boolean): T? {
+    for (element in this) {
+        if (predicate(element)) {
+            return element
+        }
+    }
+    return null
+}
+
+fun BytecodeData.toMethodWalker(startMethod: Method): MethodWalker {
+    return MethodWalker(this, startMethod)
+}
+
+internal inline fun <T> Iterable<T>.findIndexed(predicate: (T) -> Boolean): Pair<T, Int>? {
+    for ((index, element) in this.withIndex()) {
+        if (predicate(element)) {
+            return element to index
+        }
+    }
+    return null
+}
+
+fun BytecodeData.proxy(classDef: ClassDef): app.revanced.patcher.util.proxy.ClassProxy {
+    var proxy = this.classes.proxies.find { it.immutableClass.type == classDef.type }
+    if (proxy == null) {
+        proxy = app.revanced.patcher.util.proxy.ClassProxy(classDef)
+        this.classes.proxies.add(proxy)
+    }
+    return proxy
+}

src/main/kotlin/app/revanced/patcher/data/implementation/ResourceData.kt

@@ -0,0 +1,48 @@
+package app.revanced.patcher.data.implementation
+
+import app.revanced.patcher.data.base.Data
+import org.w3c.dom.Document
+import java.io.Closeable
+import java.io.File
+import javax.xml.XMLConstants
+import javax.xml.parsers.DocumentBuilderFactory
+import javax.xml.transform.TransformerFactory
+import javax.xml.transform.dom.DOMSource
+import javax.xml.transform.stream.StreamResult
+
+class ResourceData(private val resourceCacheDirectory: File) : Data {
+    private fun resolve(path: String) = resourceCacheDirectory.resolve(path)
+
+    fun forEach(action: (File) -> Unit) = resourceCacheDirectory.walkTopDown().forEach(action)
+    fun get(path: String) = resolve(path)
+
+    fun replace(path: String, oldValue: String, newValue: String, oldValueIsRegex: Boolean = false) {
+        // TODO: buffer this somehow
+        val content = resolve(path).readText()
+
+        if (oldValueIsRegex) {
+            content.replace(Regex(oldValue), newValue)
+            return
+        }
+    }
+
+    fun getXmlEditor(path: String) = DomFileEditor(resolve(path))
+}
+
+class DomFileEditor internal constructor(private val domFile: File) : Closeable {
+    val file: Document
+
+    init {
+        val factory = DocumentBuilderFactory.newInstance()
+        factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true)
+
+        val builder = factory.newDocumentBuilder()
+
+        // this will expectedly throw
+        file = builder.parse(domFile)
+        file.normalize()
+    }
+
+    override fun close() = TransformerFactory.newInstance().newTransformer()
+        .transform(DOMSource(file), StreamResult(domFile.outputStream()))
+}

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
+}

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

@@ -0,0 +1,114 @@
+package app.revanced.patcher.extensions
+
+import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod.Companion.toMutable
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.builder.BuilderInstruction
+import org.jf.dexlib2.builder.MutableMethodImplementation
+import org.jf.dexlib2.iface.Method
+import org.jf.dexlib2.iface.reference.MethodReference
+import org.jf.dexlib2.immutable.ImmutableMethod
+import org.jf.dexlib2.immutable.ImmutableMethodImplementation
+import org.jf.dexlib2.util.MethodUtil
+import java.io.OutputStream
+
+/**
+ * Recursively find a given annotation on a class
+ * @param targetAnnotation The annotation to find
+ * @return The annotation
+ */
+fun <T : Annotation> Class<*>.findAnnotationRecursively(targetAnnotation: Class<T>) =
+    this.findAnnotationRecursively(targetAnnotation, mutableSetOf())
+
+private fun <T : Annotation> Class<*>.findAnnotationRecursively(
+    targetAnnotation: Class<T>,
+    traversed: MutableSet<Annotation>
+): T? {
+    val found = this.annotations.firstOrNull { it.annotationClass.java.name == targetAnnotation.name }
+
+    @Suppress("UNCHECKED_CAST")
+    if (found != null) return found as T
+
+    for (annotation in this.annotations) {
+        if (traversed.contains(annotation)) continue
+        traversed.add(annotation)
+
+        return (annotation.annotationClass.java.findAnnotationRecursively(targetAnnotation, traversed)) ?: continue
+    }
+
+    return null
+}
+
+infix fun AccessFlags.or(other: AccessFlags) = this.value or other.value
+infix fun Int.or(other: AccessFlags) = this or other.value
+
+fun MutableMethodImplementation.addInstructions(index: Int, instructions: List<BuilderInstruction>) {
+    for (i in instructions.lastIndex downTo 0) {
+        this.addInstruction(index, instructions[i])
+    }
+}
+
+/**
+ * Clones the method.
+ * @param registerCount This parameter allows you to change the register count of the method.
+ * This may be a positive or negative number.
+ * @return The **immutable** cloned method. Call [toMutable] or [cloneMutable] to get a **mutable** copy.
+ */
+internal fun Method.clone(
+    registerCount: Int = 0,
+): ImmutableMethod {
+    val clonedImplementation = implementation?.let {
+        ImmutableMethodImplementation(
+            it.registerCount + registerCount,
+            it.instructions,
+            it.tryBlocks,
+            it.debugItems,
+        )
+    }
+    return ImmutableMethod(
+        returnType,
+        name,
+        parameters,
+        returnType,
+        accessFlags,
+        annotations,
+        hiddenApiRestrictions,
+        clonedImplementation
+    )
+}
+
+/**
+ * Clones the method.
+ * @param registerCount This parameter allows you to change the register count of the method.
+ * This may be a positive or negative number.
+ * @return The **mutable** cloned method. Call [clone] to get an **immutable** copy.
+ */
+internal fun Method.cloneMutable(
+    registerCount: Int = 0,
+) = clone(registerCount).toMutable()
+
+internal fun Method.softCompareTo(
+    otherMethod: MethodReference
+): Boolean {
+    if (MethodUtil.isConstructor(this) && !parametersEqual(this.parameterTypes, otherMethod.parameterTypes))
+        return false
+    return this.name == otherMethod.name
+}
+
+// FIXME: also check the order of parameters as different order equals different method overload
+internal fun parametersEqual(
+    parameters1: Iterable<CharSequence>,
+    parameters2: Iterable<CharSequence>
+): Boolean {
+    return parameters1.count() == parameters2.count() && parameters1.all { parameter ->
+        parameters2.any {
+            it.startsWith(
+                parameter
+            )
+        }
+    }
+}
+
+internal val nullOutputStream: OutputStream =
+    object : OutputStream() {
+        override fun write(b: Int) {}
+    }

src/main/kotlin/app/revanced/patcher/patch/annotations/PatchAnnotation.kt

@@ -0,0 +1,9 @@
+package app.revanced.patcher.patch.annotations
+
+/**
+ * Annotation to mark a Class as a patch.
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+@MustBeDocumented
+annotation class Patch

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

@@ -0,0 +1,18 @@
+package app.revanced.patcher.patch.base
+
+import app.revanced.patcher.data.base.Data
+import app.revanced.patcher.patch.implementation.BytecodePatch
+import app.revanced.patcher.patch.implementation.ResourcePatch
+import app.revanced.patcher.patch.implementation.misc.PatchResult
+
+
+/**
+ * A ReVanced patch.
+ * Can either be a [ResourcePatch] or a [BytecodePatch].
+ */
+abstract class Patch<out T : Data> {
+    /**
+     * The main function of the [Patch] which the patcher will call.
+     */
+    abstract fun execute(data: @UnsafeVariance T): PatchResult // FIXME: remove the UnsafeVariance annotation
+}

src/main/kotlin/app/revanced/patcher/patch/implementation/BytecodePatch.kt

@@ -0,0 +1,13 @@
+package app.revanced.patcher.patch.implementation
+
+import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.patch.base.Patch
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+
+/**
+ * Bytecode patch for the Patcher.
+ * @param signatures A list of [MethodSignature] this patch relies on.
+ */
+abstract class BytecodePatch(
+    val signatures: Iterable<MethodSignature>
+) : Patch<BytecodeData>()

src/main/kotlin/app/revanced/patcher/patch/implementation/ResourcePatch.kt

@@ -0,0 +1,9 @@
+package app.revanced.patcher.patch.implementation
+
+import app.revanced.patcher.data.implementation.ResourceData
+import app.revanced.patcher.patch.base.Patch
+
+/**
+ * Resource patch for the Patcher.
+ */
+abstract class ResourcePatch : Patch<ResourceData>()

src/main/kotlin/app/revanced/patcher/patch/implementation/misc/PatchResult.kt

@@ -0,0 +1,33 @@
+package app.revanced.patcher.patch.implementation.misc
+
+interface PatchResult {
+    fun error(): PatchResultError? {
+        if (this is PatchResultError) {
+            return this
+        }
+        return null
+    }
+
+    fun success(): PatchResultSuccess? {
+        if (this is PatchResultSuccess) {
+            return this
+        }
+        return null
+    }
+
+    fun isError(): Boolean {
+        return this is PatchResultError
+    }
+
+    fun isSuccess(): Boolean {
+        return this is PatchResultSuccess
+    }
+}
+
+class PatchResultError(private val errorMessage: String) : PatchResult {
+    fun errorMessage(): String {
+        return errorMessage
+    }
+}
+
+class PatchResultSuccess : PatchResult

src/main/kotlin/app/revanced/patcher/signature/base/Signature.kt

@@ -0,0 +1,9 @@
+package app.revanced.patcher.signature.base
+
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+
+/**
+ * A ReVanced signature.
+ * Can be a [MethodSignature].
+ */
+interface Signature

src/main/kotlin/app/revanced/patcher/signature/implementation/method/MethodSignature.kt

@@ -0,0 +1,47 @@
+package app.revanced.patcher.signature.implementation.method
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.data.implementation.MethodNotFoundException
+import app.revanced.patcher.signature.base.Signature
+import app.revanced.patcher.signature.implementation.method.resolver.SignatureResolverResult
+import org.jf.dexlib2.Opcode
+
+/**
+ * Represents the [MethodSignature] for a method.
+ * @param returnType The return type of the method.
+ * @param accessFlags The access flags of the method.
+ * @param methodParameters The parameters of the method.
+ * @param opcodes The list of opcodes of the method.
+ * @param strings A list of strings which a method contains.
+ * A `null` opcode is equals to an unknown opcode.
+ */
+abstract class MethodSignature(
+    internal val returnType: String?,
+    internal val accessFlags: Int?,
+    internal val methodParameters: Iterable<String>?,
+    internal val opcodes: Iterable<Opcode?>?,
+    internal val strings: Iterable<String>? = null
+) : Signature {
+    /**
+     * The result of the signature
+     */
+    var result: SignatureResolverResult? = null
+        get() {
+            return field ?: throw MethodNotFoundException(
+                "Could not resolve required signature ${
+                    (this::class.annotations.find { it is Name }?.let {
+                        (it as Name).name
+                    })
+                }"
+            )
+        }
+    val resolved: Boolean
+        get() {
+            var resolved = false
+            try {
+                resolved = result != null
+            } catch (_: Exception) {
+            }
+            return resolved
+        }
+}

src/main/kotlin/app/revanced/patcher/signature/implementation/method/annotation/MethodSignatureMetadata.kt

@@ -0,0 +1,32 @@
+package app.revanced.patcher.signature.implementation.method.annotation
+
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+
+/**
+ * Annotations for a method which matches to a [MethodSignature].
+ * @param definingClass The defining class name of the method.
+ * @param name A suggestive name for the method which the [MethodSignature] was created for.
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class MatchingMethod(
+    val definingClass: String = "L<unspecified-class>;",
+    val name: String = "<unspecified-method>"
+)
+
+/**
+ * Annotations to scan a pattern [MethodSignature] with fuzzy algorithm.
+ * @param threshold if [threshold] or more of the opcodes do not match, skip.
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class FuzzyPatternScanMethod(
+    val threshold: Int = 1
+)
+
+/**
+ * Annotations to scan a pattern [MethodSignature] directly.
+ */
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class DirectPatternScanMethod

src/main/kotlin/app/revanced/patcher/signature/implementation/method/resolver/MethodSignatureResolver.kt

@@ -0,0 +1,167 @@
+package app.revanced.patcher.signature.implementation.method.resolver
+
+import app.revanced.patcher.data.PatcherData
+import app.revanced.patcher.data.implementation.proxy
+import app.revanced.patcher.extensions.findAnnotationRecursively
+import app.revanced.patcher.extensions.parametersEqual
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
+import org.jf.dexlib2.Opcode
+import org.jf.dexlib2.iface.ClassDef
+import org.jf.dexlib2.iface.Method
+import org.jf.dexlib2.iface.instruction.Instruction
+import org.jf.dexlib2.iface.instruction.formats.Instruction21c
+import org.jf.dexlib2.iface.reference.StringReference
+
+internal class MethodSignatureResolver(
+    private val classes: List<ClassDef>,
+    private val methodSignatures: Iterable<MethodSignature>
+) {
+    fun resolve(patcherData: PatcherData) {
+        for (signature in methodSignatures) {
+            for (classDef in classes) {
+                for (method in classDef.methods) {
+                    val patternScanData = compareSignatureToMethod(signature, method) ?: continue
+
+                    // create class proxy, in case a patch needs mutability
+                    val classProxy = patcherData.bytecodeData.proxy(classDef)
+                    signature.result = SignatureResolverResult(
+                        classProxy,
+                        patternScanData,
+                        method,
+                    )
+                }
+            }
+        }
+    }
+
+    // These functions do not require the constructor values, so they can be static.
+    companion object {
+        fun resolveFromProxy(
+            classProxy: app.revanced.patcher.util.proxy.ClassProxy,
+            signature: MethodSignature
+        ): SignatureResolverResult? {
+            for (method in classProxy.immutableClass.methods) {
+                val result = compareSignatureToMethod(signature, method) ?: continue
+                return SignatureResolverResult(
+                    classProxy,
+                    result,
+                    method,
+                )
+            }
+            return null
+        }
+
+        private fun compareSignatureToMethod(
+            signature: MethodSignature,
+            method: Method
+        ): PatternScanResult? {
+            signature.returnType?.let {
+                if (!method.returnType.startsWith(signature.returnType)) {
+                    return null
+                }
+            }
+
+            signature.accessFlags?.let {
+                if (signature.accessFlags != method.accessFlags) {
+                    return null
+                }
+            }
+
+            signature.methodParameters?.let {
+                if (!parametersEqual(signature.methodParameters, method.parameterTypes)) {
+                    return null
+                }
+            }
+
+            signature.strings?.let { strings ->
+                method.implementation ?: return null
+
+                method.implementation!!.instructions.let { instructions ->
+                    val stringsList = strings.toMutableList()
+
+                    for (instruction in instructions) {
+                        if (instruction.opcode != Opcode.CONST_STRING) continue
+
+                        val string = ((instruction as Instruction21c).reference as StringReference).string
+                        val i = stringsList.indexOfFirst { it == string }
+                        if (i != -1) stringsList.removeAt(i)
+                    }
+
+                    if (stringsList.isNotEmpty()) return null
+                }
+            }
+
+            return if (signature.opcodes == null) {
+                PatternScanResult(0, 0)
+            } else {
+                method.implementation?.instructions?.let {
+                    compareOpcodes(signature, it)
+                }
+            }
+        }
+
+        private fun compareOpcodes(
+            signature: MethodSignature,
+            instructions: Iterable<Instruction>
+        ): PatternScanResult? {
+            val count = instructions.count()
+            val pattern = signature.opcodes!!
+            val size = pattern.count()
+
+            val threshold =
+                signature::class.java.findAnnotationRecursively(FuzzyPatternScanMethod::class.java)?.threshold
+                    ?: 0
+
+            for (instructionIndex in 0 until count) {
+                var patternIndex = 0
+                var currentThreshold = threshold
+                while (instructionIndex + patternIndex < count) {
+                    val originalOpcode = instructions.elementAt(instructionIndex + patternIndex).opcode
+                    val patternOpcode = pattern.elementAt(patternIndex)
+                    if (
+                        patternOpcode != null && // unknown opcode
+                        originalOpcode != patternOpcode &&
+                        currentThreshold-- == 0
+                    ) break
+                    if (++patternIndex < size) continue
+                    patternIndex-- // fix pattern offset
+
+                    val result = PatternScanResult(instructionIndex, instructionIndex + patternIndex)
+
+                    result.warnings = generateWarnings(signature, instructions, result)
+
+                    return result
+                }
+            }
+
+            return null
+        }
+
+        private fun generateWarnings(
+            signature: MethodSignature,
+            instructions: Iterable<Instruction>,
+            scanResult: PatternScanResult,
+        ) = buildList {
+            val pattern = signature.opcodes!!
+            for ((patternIndex, instructionIndex) in (scanResult.startIndex until scanResult.endIndex).withIndex()) {
+                val correctOpcode = instructions.elementAt(instructionIndex).opcode
+                val patternOpcode = pattern.elementAt(patternIndex)
+                if (
+                    patternOpcode != null && // unknown opcode
+                    correctOpcode != patternOpcode
+                ) {
+                    this.add(
+                        PatternScanResult.Warning(
+                            correctOpcode, patternOpcode,
+                            instructionIndex, patternIndex,
+                        )
+                    )
+                }
+            }
+        }
+    }
+}
+
+private operator fun ClassDef.component1() = this
+private operator fun ClassDef.component2() = this.methods

src/main/kotlin/app/revanced/patcher/signature/implementation/method/resolver/MethodSignatureResolverResult.kt

@@ -0,0 +1,75 @@
+package app.revanced.patcher.signature.implementation.method.resolver
+
+import app.revanced.patcher.extensions.softCompareTo
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.util.proxy.ClassProxy
+import org.jf.dexlib2.Opcode
+import org.jf.dexlib2.iface.Method
+
+/**
+ * Represents the result of a [MethodSignatureResolver].
+ * @param definingClassProxy The [ClassProxy] that the matching method was found in.
+ * @param resolvedMethod The actual matching method.
+ * @param scanResult Opcodes pattern scan result.
+ */
+data class SignatureResolverResult(
+    val definingClassProxy: ClassProxy,
+    val scanResult: PatternScanResult,
+    private val resolvedMethod: Method,
+) {
+    /**
+     * Returns the **mutable** method by the [resolvedMethod] from the [definingClassProxy].
+     *
+     * Please note, this method allocates a [ClassProxy].
+     * Use [immutableMethod] where possible.
+     */
+    val method
+        get() = definingClassProxy.resolve().methods.first {
+            it.softCompareTo(resolvedMethod)
+        }
+
+    /**
+     * Returns the **immutable** method by the [resolvedMethod] from the [definingClassProxy].
+     *
+     * If you need to modify the method, use [method] instead.
+     */
+    @Suppress("MemberVisibilityCanBePrivate")
+    val immutableMethod: Method
+        get() = definingClassProxy.immutableClass.methods.first {
+            it.softCompareTo(resolvedMethod)
+        }
+
+    fun findParentMethod(signature: MethodSignature): SignatureResolverResult? {
+        return MethodSignatureResolver.resolveFromProxy(definingClassProxy, signature)
+    }
+}
+
+data class PatternScanResult(
+    val startIndex: Int,
+    val endIndex: Int
+) {
+    /**
+     * A list of warnings the resolver found.
+     *
+     * This list will be allocated when the signature has been found.
+     * Meaning, if the signature was not found,
+     * or the signature was not yet resolved,
+     * the list will be null.
+     */
+    var warnings: List<Warning>? = null
+
+    /**
+     * Represents a resolver warning.
+     * @param correctOpcode The opcode the instruction list has.
+     * @param wrongOpcode The opcode the pattern list of the signature currently has.
+     * @param instructionIndex The index of the opcode relative to the instruction list.
+     * @param patternIndex The index of the opcode relative to the pattern list from the signature.
+     */
+    data class Warning(
+        val correctOpcode: Opcode,
+        val wrongOpcode: Opcode,
+        val instructionIndex: Int,
+        val patternIndex: Int,
+    )
+}
+

src/main/kotlin/app/revanced/patcher/util/ProxyBackedClassList.kt

@@ -0,0 +1,45 @@
+package app.revanced.patcher.util
+
+import org.jf.dexlib2.iface.ClassDef
+
+class ProxyBackedClassList(internal val internalClasses: MutableList<ClassDef>) : List<ClassDef> {
+    internal val proxies = mutableListOf<app.revanced.patcher.util.proxy.ClassProxy>()
+
+    fun add(classDef: ClassDef) {
+        internalClasses.add(classDef)
+    }
+
+    fun add(classProxy: app.revanced.patcher.util.proxy.ClassProxy) {
+        proxies.add(classProxy)
+    }
+
+    /**
+     * Apply all resolved classes into [internalClasses] and clean the [proxies] list.
+     */
+    internal fun applyProxies() {
+        // FIXME: check if this could cause issues when multiple patches use the same proxy
+        proxies.removeIf { proxy ->
+            // if the proxy is unused, keep it in the list
+            if (!proxy.proxyUsed) return@removeIf false
+
+            // if it has been used, replace the internal class which it proxied
+            val index = internalClasses.indexOfFirst { it.type == proxy.immutableClass.type }
+            internalClasses[index] = proxy.mutatedClass
+
+            // return true to remove it from the proxies list
+            return@removeIf true
+        }
+    }
+
+    override val size get() = internalClasses.size
+    override fun contains(element: ClassDef) = internalClasses.contains(element)
+    override fun containsAll(elements: Collection<ClassDef>) = internalClasses.containsAll(elements)
+    override fun get(index: Int) = internalClasses[index]
+    override fun indexOf(element: ClassDef) = internalClasses.indexOf(element)
+    override fun isEmpty() = internalClasses.isEmpty()
+    override fun iterator() = internalClasses.iterator()
+    override fun lastIndexOf(element: ClassDef) = internalClasses.lastIndexOf(element)
+    override fun listIterator() = internalClasses.listIterator()
+    override fun listIterator(index: Int) = internalClasses.listIterator(index)
+    override fun subList(fromIndex: Int, toIndex: Int) = internalClasses.subList(fromIndex, toIndex)
+}

src/main/kotlin/app/revanced/patcher/util/method/MethodWalker.kt

@@ -1,27 +1,27 @@
 package app.revanced.patcher.util.method
 
-import app.revanced.patcher.BytecodeContext
+import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.data.implementation.MethodNotFoundException
+import app.revanced.patcher.extensions.softCompareTo
 import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
+import org.jf.dexlib2.Format
 import org.jf.dexlib2.iface.Method
-import org.jf.dexlib2.iface.instruction.ReferenceInstruction
+import org.jf.dexlib2.iface.instruction.formats.Instruction35c
 import org.jf.dexlib2.iface.reference.MethodReference
-import org.jf.dexlib2.util.MethodUtil
+import org.jf.dexlib2.util.Preconditions
 
 /**
  * Find a method from another method via instruction offsets.
- * @param bytecodeContext The context to use when resolving the next method reference.
+ * @param bytecodeData The bytecodeData to use when resolving the next method reference.
  * @param currentMethod The method to start from.
  */
 class MethodWalker internal constructor(
-    private val bytecodeContext: BytecodeContext,
+    private val bytecodeData: BytecodeData,
     private var currentMethod: Method
 ) {
     /**
      * Get the method which was walked last.
-     *
      * It is possible to cast this method to a [MutableMethod], if the method has been walked mutably.
-     *
-     * @return The method which was walked last.
      */
     fun getMethod(): Method {
         return currentMethod
@@ -29,28 +29,27 @@ class MethodWalker internal constructor(
 
     /**
      * Walk to a method defined at the offset in the instruction list of the current method.
-     *
-     * The current method will be mutable.
-     *
      * @param offset The offset of the instruction. This instruction must be of format 35c.
      * @param walkMutable If this is true, the class of the method will be resolved mutably.
-     * @return The same [MethodWalker] instance with the method at [offset].
+     * The current method will be mutable.
      */
-    fun nextMethod(offset: Int, walkMutable: Boolean = false): MethodWalker {
+    fun walk(offset: Int, walkMutable: Boolean = false): MethodWalker {
         currentMethod.implementation?.instructions?.let { instructions ->
             val instruction = instructions.elementAt(offset)
 
-            val newMethod = (instruction as ReferenceInstruction).reference as MethodReference
-            val proxy = bytecodeContext.classes.findClassProxied(newMethod.definingClass)!!
+            Preconditions.checkFormat(instruction.opcode, Format.Format35c)
 
-            val methods = if (walkMutable) proxy.mutableClass.methods else proxy.immutableClass.methods
-            currentMethod = methods.first {
-                return@first MethodUtil.methodSignaturesMatch(it, newMethod)
+            val newMethod = (instruction as Instruction35c).reference as MethodReference
+            val proxy = bytecodeData.findClass(newMethod.definingClass)!!
+
+            val methods = if (walkMutable) proxy.resolve().methods else proxy.immutableClass.methods
+            currentMethod = methods.first { it ->
+                return@first it.softCompareTo(newMethod)
             }
             return this
         }
         throw MethodNotFoundException("This method can not be walked at offset $offset inside the method ${currentMethod.name}")
     }
 
-    internal class MethodNotFoundException(exception: String) : Exception(exception)
+
 }

src/main/kotlin/app/revanced/patcher/util/patch/PatchLoader.kt

@@ -0,0 +1,34 @@
+package app.revanced.patcher.util.patch
+
+import app.revanced.patcher.patch.base.Patch
+import java.io.File
+import java.net.URLClassLoader
+import java.util.jar.JarFile
+
+object PatchLoader {
+    /**
+     * This method loads patches from a given jar file containing [Patch]es
+     * @return the loaded patches represented as a list of [Patch] classes
+     */
+    fun loadFromFile(patchesJar: File) = buildList {
+        val jarFile = JarFile(patchesJar)
+        val classLoader = URLClassLoader(arrayOf(patchesJar.toURI().toURL()))
+
+        val entries = jarFile.entries()
+        while (entries.hasMoreElements()) {
+            val entry = entries.nextElement()
+            if (!entry.name.endsWith(".class") || entry.name.contains("$")) continue
+
+            val clazz = classLoader.loadClass(entry.realName.replace('/', '.').replace(".class", ""))
+
+            if (!clazz.isAnnotationPresent(app.revanced.patcher.patch.annotations.Patch::class.java)) continue
+
+            @Suppress("UNCHECKED_CAST")
+            val patch = clazz as Class<Patch<*>>
+
+            // TODO: include declared classes from patch
+
+            this.add(patch)
+        }
+    }
+}