New JNI bindings

jni/JniJsValue.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 "JniJsValue.h"
+
+static jboolean JNICALL JniIsUndefined(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return JniGetJsValue(ptr)->IsUndefined() ? JNI_TRUE : JNI_FALSE;
+  }
+  CATCH_THROW_AND_RETURN(env, JNI_FALSE)
+}
+
+static jboolean JNICALL JniIsNull(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return JniGetJsValue(ptr)->IsNull() ? JNI_TRUE : JNI_FALSE;
+  }
+  CATCH_THROW_AND_RETURN(env, JNI_FALSE)
+}
+
+static jboolean JNICALL JniIsString(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return JniGetJsValue(ptr)->IsString() ? JNI_TRUE : JNI_FALSE;
+  }
+  CATCH_THROW_AND_RETURN(env, JNI_FALSE)
+}
+
+static jboolean JNICALL JniIsBoolean(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return JniGetJsValue(ptr)->IsBool() ? JNI_TRUE : JNI_FALSE;
+  }
+  CATCH_THROW_AND_RETURN(env, JNI_FALSE)
+}
+
+static jboolean JNICALL JniIsObject(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return JniGetJsValue(ptr)->IsObject() ? JNI_TRUE : JNI_FALSE;
+  }
+  CATCH_THROW_AND_RETURN(env, JNI_FALSE)
+}
+
+static jboolean JNICALL JniIsArray(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return JniGetJsValue(ptr)->IsArray() ? JNI_TRUE : JNI_FALSE;
+  }
+  CATCH_THROW_AND_RETURN(env, JNI_FALSE)
+}
+
+static jboolean JNICALL JniIsFunction(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return JniGetJsValue(ptr)->IsFunction() ? JNI_TRUE : JNI_FALSE;
+  }
+  CATCH_THROW_AND_RETURN(env, JNI_FALSE)
+}
+
+static jstring JNICALL JniAsString(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return env->NewStringUTF(JniGetJsValue(ptr)->AsString().c_str());
+  }
+  CATCH_THROW_AND_RETURN(env, 0)
+}
+
+static jlong JNICALL JniAsLong(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return static_cast<jlong>(JniGetJsValue(ptr)->AsInt());
+  }
+  CATCH_THROW_AND_RETURN(env, 0)
+}
+
+static jboolean JNICALL JniAsBoolean(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return JniGetJsValue(ptr)->AsBool() ? JNI_TRUE : JNI_FALSE;
+  }
+  CATCH_THROW_AND_RETURN(env, JNI_FALSE)
+}
+
+static jboolean JNICALL JniIsValid(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  return JniGetJsValue(ptr) ? JNI_TRUE : JNI_FALSE;
+}
+
+static jobject JNICALL JniAsList(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    AdblockPlus::JsValueList list = JniGetJsValue(ptr)->AsList();
+
+    return JniJsValueListToArrayList(env, list);
+  }
+  CATCH_THROW_AND_RETURN(env, 0)
+}
+
+static void JNICALL JniDtor(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  delete JniLongToTypePtr<AdblockPlus::JsValuePtr>(ptr);
+}
+
+jobject NewJniJsValue(JNIEnv* env, const AdblockPlus::JsValuePtr& jsValue)
+{
+  jclass clazz = env->FindClass(PKG("JsValue"));
+  jmethodID ctor = env->GetMethodID(clazz, "<init>", "(J)V");
+  jlong ptr = JniPtrToLong(new AdblockPlus::JsValuePtr(jsValue));
+  return env->NewObject(clazz, ctor, ptr);
+}
+
+AdblockPlus::JsValue* JniGetJsValue(jlong ptr)
+{
+  return JniLongToTypePtr<AdblockPlus::JsValuePtr>(ptr)->get();
+}
+
+AdblockPlus::JsValuePtr& JniGetJsValuePtr(jlong ptr)
+{
+  return *JniLongToTypePtr<AdblockPlus::JsValuePtr>(ptr);
+}
+
+jobject JniJsValueListToArrayList(JNIEnv* env, AdblockPlus::JsValueList& list)
+{
+  jobject arrayList = NewJniArrayList(env);
+
+  for (AdblockPlus::JsValueList::iterator it = list.begin(), end = list.end(); it != end; ++it)
+  {
+    JniAddObjectToList(env, arrayList, NewJniJsValue(env, *it));
+  }
+
+  return arrayList;
+}
+
+// TODO: List of functions that lack JNI bindings
+//std::vector<std::string> GetOwnPropertyNames() const;
+//JsValuePtr GetProperty(const std::string& name) const;
+//void SetProperty(const std::string& name, const std::string& val);
+//void SetProperty(const std::string& name, int64_t val);
+//void SetProperty(const std::string& name, bool val);
+//void SetProperty(const std::string& name, JsValuePtr value);
+//void SetProperty(const std::string& name, const char* val);
+//inline void SetProperty(const std::string& name, int val);
+//std::string GetClass() const;
+//JsValuePtr Call(const JsValueList& params = JsValueList(), AdblockPlus::JsValuePtr thisPtr = AdblockPlus::JsValuePtr()) const;
+
+static JNINativeMethod methods[] =
+{
+  { (char*)"isUndefined", (char*)"(J)Z", (void*)JniIsUndefined },
+  { (char*)"isNull", (char*)"(J)Z", (void*)JniIsNull },
+  { (char*)"isString", (char*)"(J)Z", (void*)JniIsString },
+  { (char*)"isBoolean", (char*)"(J)Z", (void*)JniIsBoolean },
+  { (char*)"isObject", (char*)"(J)Z", (void*)JniIsObject },
+  { (char*)"isArray", (char*)"(J)Z", (void*)JniIsArray },
+  { (char*)"isFunction", (char*)"(J)Z", (void*)JniIsFunction },
+  { (char*)"asString", (char*)"(J)Ljava/lang/String;", (void*)JniAsString },
+  { (char*)"asLong", (char*)"(J)J", (void*)JniAsLong },
+  { (char*)"asBoolean", (char*)"(J)Z", (void*)JniAsBoolean },
+  { (char*)"asList", (char*)"(J)Ljava/util/List;", (void*)JniAsList },
+  { (char*)"isValid", (char*)"(J)Z", (void*)JniIsValid },
+  { (char*)"dtor", (char*)"(J)V", (void*)JniDtor }
+};
+
+extern "C" JNIEXPORT void JNICALL Java_org_adblockplus_libadblockplus_JsValue_registerNatives(JNIEnv *env, jclass clazz)
+{
+  env->RegisterNatives(clazz, methods, sizeof(methods) / sizeof(methods[0]));
+}