feat(YouTube): Support version 19.09.38, 19.10.39 and 19.11.43 (#2971)

Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>

src/main/kotlin/app/revanced/patches/shared/misc/mapping/ResourceMappingPatch.kt

@@ -8,19 +8,15 @@ import java.util.concurrent.Executors
 import java.util.concurrent.TimeUnit
 
 object ResourceMappingPatch : ResourcePatch() {
-    internal lateinit var resourceMappings: List<ResourceElement>
-        private set
+    private val resourceMappings = Collections.synchronizedList(mutableListOf<ResourceElement>())
 
     private val THREAD_COUNT = Runtime.getRuntime().availableProcessors()
     private val threadPoolExecutor = Executors.newFixedThreadPool(THREAD_COUNT)
 
     override fun execute(context: ResourceContext) {
-        // save the file in memory to concurrently read from
+        // sSve the file in memory to concurrently read from it.
         val resourceXmlFile = context.get("res/values/public.xml").readBytes()
 
-        // create a synchronized list to store the resource mappings
-        val mappings = Collections.synchronizedList(mutableListOf<ResourceElement>())
-
         for (threadIndex in 0 until THREAD_COUNT) {
             threadPoolExecutor.execute thread@{
                 context.xmlEditor[resourceXmlFile.inputStream()].use { editor ->
@@ -33,7 +29,7 @@ object ResourceMappingPatch : ResourcePatch() {
                     val batchStart = jobSize * threadIndex
                     val batchEnd = jobSize * (threadIndex + 1)
                     element@ for (i in batchStart until batchEnd) {
-                        // make sure to not go out of bounds when rounding errors occur at calculating the jobSize
+                        // Prevent out of bounds.
                         if (i >= resourcesLength) return@thread
 
                         val node = resources.item(i)
@@ -46,18 +42,18 @@ object ResourceMappingPatch : ResourcePatch() {
 
                         val id = node.getAttribute("id").substring(2).toLong(16)
 
-                        mappings.add(ResourceElement(typeAttribute, nameAttribute, id))
+                        resourceMappings.add(ResourceElement(typeAttribute, nameAttribute, id))
                     }
                 }
             }
         }
 
-        threadPoolExecutor
-            .also { it.shutdown() }
-            .awaitTermination(Long.MAX_VALUE, TimeUnit.SECONDS)
-
-        resourceMappings = mappings
+        threadPoolExecutor.also { it.shutdown() }.awaitTermination(Long.MAX_VALUE, TimeUnit.SECONDS)
     }
 
+    operator fun get(type: String, name: String) = resourceMappings.first {
+        it.type == type && it.name == name
+    }.id
+
     data class ResourceElement(val type: String, val name: String, val id: Long)
 }