refactor: simplify loading patches (#172)

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

@@ -54,17 +54,6 @@ class BytecodeContext internal constructor(classes: MutableList<ClassDef>) : Con
         }
         return proxy
     }
-
-    private companion object {
-        inline fun <reified T> Iterable<T>.find(predicate: (T) -> Boolean): T? {
-            for (element in this) {
-                if (predicate(element)) {
-                    return element
-                }
-            }
-            return null
-        }
-    }
 }
 
 /**

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

@@ -41,18 +41,13 @@ sealed class PatchBundle(path: String) : File(path) {
                 arrayOf(this.toURI().toURL()),
                 Thread.currentThread().contextClassLoader // TODO: find out why this is required
             ),
-            StringIterator(
+            JarFile(this)
-                JarFile(this)
+                .stream()
-                    .entries()
+                .filter {it.name.endsWith(".class") && !it.name.contains("$")}
-                    .toList() // TODO: find a cleaner solution than that to filter non class files
+                .map({it -> it.realName.replace('/', '.').replace(".class", "")}).iterator()
-                    .filter {
+            )
-                        it.name.endsWith(".class") && !it.name.contains("$")
+                    
-                    }
+        
-                    .iterator()
-            ) {
-                it.realName.replace('/', '.').replace(".class", "")
-            }
-        )
     }
 
     /**
@@ -68,8 +63,8 @@ sealed class PatchBundle(path: String) : File(path) {
          * Patches will be loaded to the provided [dexClassLoader].
          */
         fun loadPatches() = loadPatches(dexClassLoader,
-            StringIterator(DexFileFactory.loadDexFile(path, null).classes.iterator()) { classDef ->
+            DexFileFactory.loadDexFile(path, null).classes.asSequence().map({ classDef ->
                 classDef.type.substring(1, classDef.length - 1).replace('/', '.')
-            })
+            }).iterator())
     }
 }

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

@@ -1,10 +0,0 @@
-package app.revanced.patcher.util.patch
-
-internal class StringIterator<T, I : Iterator<T>>(
-    private val iterator: I,
-    private val _next: (T) -> String
-) : Iterator<String> {
-    override fun hasNext() = iterator.hasNext()
-
-    override fun next() = _next(iterator.next())
-}