New JNI bindings

jni/JniFilterEngine.cpp

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <AdblockPlus.h>
 #include "Utils.h"
 #include "JniCallbacks.h"
 
+static jobject SubscriptionsToArrayList(JNIEnv* env, std::vector<AdblockPlus::SubscriptionPtr>& subscriptions)
+{
+  jobject list = NewJniArrayList(env);
+
+  for (std::vector<AdblockPlus::SubscriptionPtr>::iterator it = subscriptions.begin(), end = subscriptions.end(); it != end; it++)
+  {
+    JniAddObjectToList(env, list, NewJniSubscription(env, *it));
+  }
+
+  return list;
+}
+
 static jlong JNICALL JniCtor(JNIEnv* env, jclass clazz, jlong enginePtr)
 {
-  TRY
-  {
-    AdblockPlus::JsEnginePtr& jsEngine = *AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::JsEnginePtr>(enginePtr);
-    return AdblockPlus::Android::JniPtr2Long(new AdblockPlus::FilterEngine(jsEngine));
+  try
+  {
+    AdblockPlus::JsEnginePtr& jsEngine = *JniLongToTypePtr<AdblockPlus::JsEnginePtr>(enginePtr);
+    return JniPtrToLong(new AdblockPlus::FilterEngine(jsEngine));
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 static void JNICALL JniDtor(JNIEnv* env, jclass clazz, jlong ptr)
 {
-  delete AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
+  delete JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
 }
 
 static jboolean JNICALL JniIsFirstRun(JNIEnv* env, jclass clazz, jlong ptr)
 {
-  TRY
-  {
-    AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
+  try
+  {
+    AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
 
     return engine->IsFirstRun() ? JNI_TRUE : JNI_FALSE;
   }
   CATCH_THROW_AND_RETURN(env, JNI_FALSE);
 }
 
 static jobject JNICALL JniGetFilter(JNIEnv* env, jclass clazz, jlong ptr, jstring jText)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-  std::string text = AdblockPlus::Android::JniJava2StdString(env, jText);
-
-  TRY
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+  std::string text = JniJavaToStdString(env, jText);
+
+  try
   {
     AdblockPlus::FilterPtr filter = engine->GetFilter(text);
 
-    return AdblockPlus::Android::NewJniFilter(env, filter);
+    return NewJniFilter(env, filter);
   }
   CATCH_THROW_AND_RETURN(env, 0);
 }
 
 static jobject JNICALL JniGetListedFilters(JNIEnv* env, jclass clazz, jlong ptr)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-
-  TRY
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+
+  try
   {
     std::vector<AdblockPlus::FilterPtr> filters = engine->GetListedFilters();
 
-    jobject list = AdblockPlus::Android::NewJniArrayList(env);
+    jobject list = NewJniArrayList(env);
 
     for (std::vector<AdblockPlus::FilterPtr>::iterator it = filters.begin(), end = filters.end(); it != end; it++)
     {
-      AdblockPlus::Android::JniAddObjectToList(env, list, AdblockPlus::Android::NewJniFilter(env, *it));
+      JniAddObjectToList(env, list, NewJniFilter(env, *it));
     }
 
     return list;
   }
   CATCH_THROW_AND_RETURN(env, 0);
 }
 
 static jobject JNICALL JniGetSubscription(JNIEnv* env, jclass clazz, jlong ptr, jstring jUrl)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-  std::string url = AdblockPlus::Android::JniJava2StdString(env, jUrl);
-
-  TRY
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+  std::string url = JniJavaToStdString(env, jUrl);
+
+  try
   {
     AdblockPlus::SubscriptionPtr subscription = engine->GetSubscription(url);
 
-    return AdblockPlus::Android::NewJniSubscription(env, subscription);
+    return NewJniSubscription(env, subscription);
   }
   CATCH_THROW_AND_RETURN(env, 0);
 }
 
 static jobject JNICALL JniGetListedSubscriptions(JNIEnv* env, jclass clazz, jlong ptr)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-
-  TRY
-  {
-    std::vector<AdblockPlus::SubscriptionPtr> filters = engine->GetListedSubscriptions();
-
-    jobject list = AdblockPlus::Android::NewJniArrayList(env);
-
-    for (std::vector<AdblockPlus::SubscriptionPtr>::iterator it = filters.begin(), end = filters.end(); it != end; it++)
-    {
-      AdblockPlus::Android::JniAddObjectToList(env, list, AdblockPlus::Android::NewJniSubscription(env, *it));
-    }
-
-    return list;
-  }
-  CATCH_THROW_AND_RETURN(env, 0);
-}
-
-// FIXME: Code duplication
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+
+  try
+  {
+    std::vector<AdblockPlus::SubscriptionPtr> subscriptions = engine->GetListedSubscriptions();
+
+    return SubscriptionsToArrayList(env, subscriptions);
+  }
+  CATCH_THROW_AND_RETURN(env, 0);
+}
+
 static jobject JNICALL JniFetchAvailableSubscriptions(JNIEnv* env, jclass clazz, jlong ptr)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-
-  TRY
-  {
-    std::vector<AdblockPlus::SubscriptionPtr> filters = engine->FetchAvailableSubscriptions();
-
-    jobject list = AdblockPlus::Android::NewJniArrayList(env);
-
-    for (std::vector<AdblockPlus::SubscriptionPtr>::iterator it = filters.begin(), end = filters.end(); it != end; it++)
-    {
-      AdblockPlus::Android::JniAddObjectToList(env, list, AdblockPlus::Android::NewJniSubscription(env, *it));
-    }
-
-    return list;
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+
+  try
+  {
+    std::vector<AdblockPlus::SubscriptionPtr> subscriptions = engine->FetchAvailableSubscriptions();
+
+    return SubscriptionsToArrayList(env, subscriptions);
   }
   CATCH_THROW_AND_RETURN(env, 0);
 }
 
 static void JNICALL JniRemoveFilterChangeCallback(JNIEnv* env, jclass clazz, jlong ptr)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-
-  TRY
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+
+  try
   {
     engine->RemoveFilterChangeCallback();
   }
   CATCH_AND_THROW(env)
 }
 
 static void JNICALL JniSetFilterChangeCallback(JNIEnv* env, jclass clazz, jlong ptr, jlong filterPtr)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-  AdblockPlus::Android::JniFilterChangeCallback* callback = AdblockPlus::Android::JniLong2TypePtr<
-      AdblockPlus::Android::JniFilterChangeCallback>(filterPtr);
-
-  AdblockPlus::FilterEngine::FilterChangeCallback filterCallback = std::tr1::bind(&AdblockPlus::Android::JniFilterChangeCallback::Callback,
-      callback, std::tr1::placeholders::_1, std::tr1::placeholders::_2);
-
-  TRY
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+  JniFilterChangeCallback* callback = JniLongToTypePtr<JniFilterChangeCallback>(filterPtr);
+
+  AdblockPlus::FilterEngine::FilterChangeCallback filterCallback =
+      std::tr1::bind(&JniFilterChangeCallback::Callback, callback, std::tr1::placeholders::_1, std::tr1::placeholders::_2);
+
+  try
   {
     engine->SetFilterChangeCallback(filterCallback);
   }
   CATCH_AND_THROW(env)
 }
 
 static void JNICALL JniForceUpdateCheck(JNIEnv* env, jclass clazz, jlong ptr, jlong updaterPtr)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-  AdblockPlus::Android::JniUpdaterCallback* callback = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::Android::JniUpdaterCallback>(
-      updaterPtr);
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+  JniUpdaterCallback* callback = JniLongToTypePtr<JniUpdaterCallback>(updaterPtr);
 
   AdblockPlus::FilterEngine::UpdaterCallback updaterCallback = 0;
 
   if (updaterPtr)
   {
-    updaterCallback = std::tr1::bind(&AdblockPlus::Android::JniUpdaterCallback::Callback, callback, std::tr1::placeholders::_1);
-  }
-
-  TRY
+    updaterCallback = std::tr1::bind(&JniUpdaterCallback::Callback, callback, std::tr1::placeholders::_1);
+  }
+
+  try
   {
     engine->ForceUpdateCheck(updaterCallback);
   }
   CATCH_AND_THROW(env)
 }
 
 static jobject JNICALL JniGetElementHidingSelectors(JNIEnv* env, jclass clazz, jlong ptr, jstring jDomain)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-
-  std::string domain = AdblockPlus::Android::JniJava2StdString(env, jDomain);
-
-  TRY
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+
+  std::string domain = JniJavaToStdString(env, jDomain);
+
+  try
   {
     std::vector<std::string> selectors = engine->GetElementHidingSelectors(domain);
 
-    jobject list = AdblockPlus::Android::NewJniArrayList(env);
+    jobject list = NewJniArrayList(env);
 
     for (std::vector<std::string>::iterator it = selectors.begin(), end = selectors.end(); it != end; it++)
     {
-      AdblockPlus::Android::JniAddObjectToList(env, list, env->NewStringUTF(it->c_str()));
+      JniAddObjectToList(env, list, env->NewStringUTF(it->c_str()));
     }
 
     return list;
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 static jobject JNICALL JniMatches(JNIEnv* env, jclass clazz, jlong ptr, jstring jUrl, jstring jContentType, jstring jDocumentUrl)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-
-  std::string url = AdblockPlus::Android::JniJava2StdString(env, jUrl);
-  std::string contentType = AdblockPlus::Android::JniJava2StdString(env, jContentType);
-  std::string documentUrl = AdblockPlus::Android::JniJava2StdString(env, jDocumentUrl);
-
-  TRY
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+
+  std::string url = JniJavaToStdString(env, jUrl);
+  std::string contentType = JniJavaToStdString(env, jContentType);
+  std::string documentUrl = JniJavaToStdString(env, jDocumentUrl);
+
+  try
   {
     AdblockPlus::FilterPtr filter = engine->Matches(url, contentType, documentUrl);
 
-    return AdblockPlus::Android::NewJniFilter(env, filter);
+    return NewJniFilter(env, filter);
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 static jobject JNICALL JniMatchesMany(JNIEnv* env, jclass clazz, jlong ptr, jstring jUrl, jstring jContentType, jobjectArray jDocumentUrls)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-
-  std::string url = AdblockPlus::Android::JniJava2StdString(env, jUrl);
-  std::string contentType = AdblockPlus::Android::JniJava2StdString(env, jContentType);
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+
+  std::string url = JniJavaToStdString(env, jUrl);
+  std::string contentType = JniJavaToStdString(env, jContentType);
 
   std::vector<std::string> documentUrls;
 
   jsize len = env->GetArrayLength(jDocumentUrls);
 
   for (jsize i = 0; i < len; i++)
   {
-    documentUrls.push_back(
-        AdblockPlus::Android::JniJava2StdString(env, static_cast<jstring>(env->GetObjectArrayElement(jDocumentUrls, i))));
-  }
-
-  TRY
+    documentUrls.push_back(JniJavaToStdString(env, static_cast<jstring>(env->GetObjectArrayElement(jDocumentUrls, i))));
+  }
+
+  try
   {
     AdblockPlus::FilterPtr filter = engine->Matches(url, contentType, documentUrls);
 
-    return AdblockPlus::Android::NewJniFilter(env, filter);
+    return NewJniFilter(env, filter);
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 static jobject JNICALL JniGetPref(JNIEnv* env, jclass clazz, jlong ptr, jstring jPref)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-
-  std::string pref = AdblockPlus::Android::JniJava2StdString(env, jPref);
-
-  TRY
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr < AdblockPlus::FilterEngine > (ptr);
+
+  std::string pref = JniJavaToStdString(env, jPref);
+
+  try
   {
     AdblockPlus::JsValuePtr value = engine->GetPref(pref);
 
-    return AdblockPlus::Android::NewJniJsValue(env, value);
+    return NewJniJsValue(env, value);
   }
   CATCH_THROW_AND_RETURN(env, 0)
 }
 
 static void JNICALL JniSetPref(JNIEnv* env, jclass clazz, jlong ptr, jstring jPref, jlong jsValue)
 {
-  AdblockPlus::FilterEngine* engine = AdblockPlus::Android::JniLong2TypePtr<AdblockPlus::FilterEngine>(ptr);
-
-  std::string pref = AdblockPlus::Android::JniJava2StdString(env, jPref);
-  AdblockPlus::JsValuePtr value = AdblockPlus::Android::JniGetJsValuePtr(jsValue);
-
-  TRY
+  AdblockPlus::FilterEngine* engine = JniLongToTypePtr<AdblockPlus::FilterEngine>(ptr);
+
+  std::string pref = JniJavaToStdString(env, jPref);
+  AdblockPlus::JsValuePtr value = JniGetJsValuePtr(jsValue);
+
+  try
   {
     engine->SetPref(pref, value);
   }
   CATCH_AND_THROW(env)
 }
 
 static JNINativeMethod methods[] =
 {
-{ (char*)"ctor", (char*)"(J)J", (void*)JniCtor },
-{ (char*)"isFirstRun", (char*)"(J)Z", (void*)JniIsFirstRun },
-{ (char*)"getFilter", (char*)"(JLjava/lang/String;)" TYP("Filter"), (void*)JniGetFilter },
-{ (char*)"getListedFilters", (char*)"(J)Ljava/util/List;", (void*)JniGetListedFilters },
-{ (char*)"getSubscription", (char*)"(JLjava/lang/String;)" TYP("Subscription"), (void*)JniGetSubscription },
-{ (char*)"getListedSubscriptions", (char*)"(J)Ljava/util/List;", (void*)JniGetListedSubscriptions },
-{ (char*)"fetchAvailableSubscriptions", (char*)"(J)Ljava/util/List;", (void*)JniFetchAvailableSubscriptions },
-{ (char*)"setFilterChangeCallback", (char*)"(JJ)V", (void*)JniSetFilterChangeCallback },
-{ (char*)"removeFilterChangeCallback", (char*)"(J)V", (void*)JniRemoveFilterChangeCallback },
-{ (char*)"forceUpdateCheck", (char*)"(JJ)V", (void*)JniForceUpdateCheck },
-{ (char*)"getElementHidingSelectors", (char*)"(J)Ljava/utils/List;", (void*)JniGetElementHidingSelectors },
-{ (char*)"matches", (char*)"(JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;)" TYP("Filter"), (void*)JniMatches },
-{ (char*)"matches", (char*)"(JLjava/lang/String;Ljava/lang/String;[Ljava/lang/String;)" TYP("Filter"), (void*)JniMatchesMany },
-{ (char*)"getPref", (char*)"(JLjava/lang/String;)" TYP("JsValue"), (void*)JniGetPref },
-{ (char*)"setPref", (char*)"(JLjava/lang/String;J)V", (void*)JniSetPref },
-{ (char*)"dtor", (char*)"(J)V", (void*)JniDtor }, };
-
-extern "C" JNIEXPORT void JNICALL Java_org_adblockplus_android_api_FilterEngine_registerNatives(JNIEnv *env, jclass clazz)
+  { (char*)"ctor", (char*)"(J)J", (void*)JniCtor },
+  { (char*)"isFirstRun", (char*)"(J)Z", (void*)JniIsFirstRun },
+  { (char*)"getFilter", (char*)"(JLjava/lang/String;)" TYP("Filter"), (void*)JniGetFilter },
+  { (char*)"getListedFilters", (char*)"(J)Ljava/util/List;", (void*)JniGetListedFilters },
+  { (char*)"getSubscription", (char*)"(JLjava/lang/String;)" TYP("Subscription"), (void*)JniGetSubscription },
+  { (char*)"getListedSubscriptions", (char*)"(J)Ljava/util/List;", (void*)JniGetListedSubscriptions },
+  { (char*)"fetchAvailableSubscriptions", (char*)"(J)Ljava/util/List;", (void*)JniFetchAvailableSubscriptions },
+  { (char*)"setFilterChangeCallback", (char*)"(JJ)V", (void*)JniSetFilterChangeCallback },
+  { (char*)"removeFilterChangeCallback", (char*)"(J)V", (void*)JniRemoveFilterChangeCallback },
+  { (char*)"forceUpdateCheck", (char*)"(JJ)V", (void*)JniForceUpdateCheck },
+  { (char*)"getElementHidingSelectors", (char*)"(JLjava/lang/String;)Ljava/util/List;", (void*)JniGetElementHidingSelectors },
+  { (char*)"matches", (char*)"(JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;)" TYP("Filter"), (void*)JniMatches },
+  { (char*)"matches", (char*)"(JLjava/lang/String;Ljava/lang/String;[Ljava/lang/String;)" TYP("Filter"), (void*)JniMatchesMany },
+  { (char*)"getPref", (char*)"(JLjava/lang/String;)" TYP("JsValue"), (void*)JniGetPref },
+  { (char*)"setPref", (char*)"(JLjava/lang/String;J)V", (void*)JniSetPref },
+  { (char*)"dtor", (char*)"(J)V", (void*)JniDtor }
+};
+
+extern "C" JNIEXPORT void JNICALL Java_org_adblockplus_libadblockplus_FilterEngine_registerNatives(JNIEnv *env, jclass clazz)
 {
   env->RegisterNatives(clazz, methods, sizeof(methods) / sizeof(methods[0]));
 }