Noissue - move work with a raw jni pointer to a separate function

libadblockplus-android/jni/JniJsEngine.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 14 matching lines @@
 
   appInfo.application = JniGetStringField(env, clazz, jAppInfo, "application");
   appInfo.applicationVersion = JniGetStringField(env, clazz, jAppInfo, "applicationVersion");
   appInfo.locale = JniGetStringField(env, clazz, jAppInfo, "locale");
   appInfo.name = JniGetStringField(env, clazz, jAppInfo, "name");
   appInfo.version = JniGetStringField(env, clazz, jAppInfo, "version");
 
   appInfo.developmentBuild = JniGetBooleanField(env, clazz, jAppInfo, "developmentBuild");
 }
 
+static AdblockPlus::JsEnginePtr& GetJsEnginePtrRef(jlong ptr)
+{
+  return *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+}
+
 static jlong JNICALL JniCtor(JNIEnv* env, jclass clazz, jobject jAppInfo)
 {
   AdblockPlus::AppInfo appInfo;
 
   TransformAppInfo(env, jAppInfo, appInfo);
 
   try
   {
     return JniPtrToLong(new AdblockPlus::JsEnginePtr(AdblockPlus::JsEngine::New(appInfo)));
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 static void JNICALL JniDtor(JNIEnv* env, jclass clazz, jlong ptr)
 {
   delete JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
 }
 
 static void JNICALL JniSetEventCallback(JNIEnv* env, jclass clazz, jlong ptr, jstring jEventName, jlong jCallbackPtr)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   JniEventCallback* callback = JniLongToTypePtr<JniEventCallback>(jCallbackPtr);
   std::string eventName = JniJavaToStdString(env, jEventName);
 
   auto eCallback = [callback](AdblockPlus::JsValueList&& params)
   {
     callback->Callback(std::move(params));
   };
 
   try
   {
     engine->SetEventCallback(eventName, eCallback);
   }
   CATCH_AND_THROW(env)
 }
 
 static void JNICALL JniRemoveEventCallback(JNIEnv* env, jclass clazz, jlong ptr, jstring jEventName)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   std::string eventName = JniJavaToStdString(env, jEventName);
 
   try
   {
     engine->RemoveEventCallback(eventName);
   }
   CATCH_AND_THROW(env)
 }
 
 static jobject JNICALL JniEvaluate(JNIEnv* env, jclass clazz, jlong ptr, jstring jSource, jstring jFilename)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   std::string source = JniJavaToStdString(env, jSource);
   std::string filename = JniJavaToStdString(env, jFilename);
 
   try
   {
     return NewJniJsValue(env, engine->Evaluate(source, filename));
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 static void JNICALL JniTriggerEvent(JNIEnv* env, jclass clazz, jlong ptr, jstring jEventName, jarray jJsPtrs)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
   std::string eventName = JniJavaToStdString(env, jEventName);
   AdblockPlus::JsValueList args;
 
   if (jJsPtrs)
   {
     jlong* ptrs = (jlong*)env->GetPrimitiveArrayCritical(jJsPtrs, 0);
 
     jsize length = env->GetArrayLength(jJsPtrs);
 
     for (jsize i = 0; i < length; i++)
     {
       args.push_back(JniGetJsValue(ptrs[i]));
     }
 
     env->ReleasePrimitiveArrayCritical(jJsPtrs, ptrs, JNI_ABORT);
   }
 
   try
   {
     engine->TriggerEvent(eventName, std::move(args));
   }
   CATCH_AND_THROW(env)
 }
 
 static void JNICALL JniSetDefaultFileSystem(JNIEnv* env, jclass clazz, jlong ptr, jstring jBasePath)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   try
   {
     AdblockPlus::FileSystemPtr fileSystem(new AdblockPlus::DefaultFileSystem());
 
     std::string basePath = JniJavaToStdString(env, jBasePath);
     reinterpret_cast<AdblockPlus::DefaultFileSystem*>(fileSystem.get())->SetBasePath(basePath);
 
     engine->SetFileSystem(fileSystem);
   }
   CATCH_AND_THROW(env)
 }
 
 static void JNICALL JniSetDefaultLogSystem(JNIEnv* env, jclass clazz, jlong ptr)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   try
   {
     AdblockPlus::LogSystemPtr logSystem(new AdblockPlus::DefaultLogSystem());
 
     engine->SetLogSystem(logSystem);
   }
   CATCH_AND_THROW(env)
 }
 
 static void JNICALL JniSetLogSystem(JNIEnv* env, jclass clazz, jlong ptr, jlong logSystemPtr)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   try
   {
     AdblockPlus::LogSystemPtr logSystem = *JniLongToTypePtr<AdblockPlus::LogSystemPtr>(logSystemPtr);
 
     engine->SetLogSystem(logSystem);
   }
   CATCH_AND_THROW(env)
 }
 
 static void JNICALL JniSetWebRequest(JNIEnv* env, jclass clazz, jlong ptr, jlong webRequestPtr)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   try
   {
     auto& webRequest = *JniLongToTypePtr<AdblockPlus::WebRequestSharedPtr>(webRequestPtr);
 
     engine->SetWebRequest(webRequest);
   }
   CATCH_AND_THROW(env)
 }
 
 static jobject JNICALL JniNewLongValue(JNIEnv* env, jclass clazz, jlong ptr, jlong value)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   try
   {
     return NewJniJsValue(env, engine->NewValue(static_cast<int64_t>(value)));
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 static jobject JNICALL JniNewBooleanValue(JNIEnv* env, jclass clazz, jlong ptr, jboolean value)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   try
   {
     return NewJniJsValue(env, engine->NewValue(value == JNI_TRUE ? true : false));
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 static jobject JNICALL JniNewStringValue(JNIEnv* env, jclass clazz, jlong ptr, jstring value)
 {
-  AdblockPlus::JsEnginePtr& engine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(ptr);
+  AdblockPlus::JsEnginePtr& engine = GetJsEnginePtrRef(ptr);
 
   try
   {
     std::string strValue = JniJavaToStdString(env, value);
     return NewJniJsValue(env, engine->NewValue(strValue));
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 // TODO: List of functions that lack JNI bindings
@@ skipping 20 matching lines @@
 
   { (char*)"newValue", (char*)"(JJ)" TYP("JsValue"), (void*)JniNewLongValue },
   { (char*)"newValue", (char*)"(JZ)" TYP("JsValue"), (void*)JniNewBooleanValue },
   { (char*)"newValue", (char*)"(JLjava/lang/String;)" TYP("JsValue"), (void*)JniNewStringValue }
 };
 
 extern "C" JNIEXPORT void JNICALL Java_org_adblockplus_libadblockplus_JsEngine_registerNatives(JNIEnv *env, jclass clazz)
 {
   env->RegisterNatives(clazz, methods, sizeof(methods) / sizeof(methods[0]));
 }