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556 lines
22 KiB
556 lines
22 KiB
/****************************************************************************
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Copyright (c) 2010-2012 cc-x.org
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include <jni.h>
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#include <functional>
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#include "base/Log.h"
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#include "base/Macros.h"
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#include "base/std/container/string.h"
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#include "base/std/container/unordered_map.h"
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#include "base/std/container/vector.h"
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#include "math/Vec3.h"
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// The macro must be used this way to find the native method. The principle is not well understood.
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#define JNI_METHOD2(CLASS2, FUNC2) Java_##CLASS2##_##FUNC2
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#define JNI_METHOD1(CLASS1, FUNC1) JNI_METHOD2(CLASS1, FUNC1)
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// ccDeleteLocalRef with classid produces warning??
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#if 0
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#define ccDeleteLocalRef(jenv, ref) \
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do { \
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jenv->DeleteLocalRef(ref); \
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CC_LOG_DEBUG("deleteLocalRef file: %s, func: %s, line: %d", __FILE__, __FUNCTION__, __LINE__); \
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} while (0)
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#else
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#define ccDeleteLocalRef(jenv, ref) jenv->DeleteLocalRef(ref); // NOLINT
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#endif
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#define CLEAR_EXCEPTON(env) \
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do { \
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if (env->ExceptionCheck()) { \
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env->ExceptionDescribe(); \
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env->ExceptionClear(); \
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} \
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} while (false)
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struct android_app;
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namespace cc {
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using JniMethodInfo = struct JniMethodInfo_ { // NOLINT(readability-identifier-naming)
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JNIEnv *env;
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jclass classID;
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jmethodID methodID;
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};
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class CC_DLL JniHelper {
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public:
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using LocalRefMapType = ccstd::unordered_map<JNIEnv *, ccstd::vector<jobject>>;
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static JavaVM *getJavaVM();
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static JNIEnv *getEnv();
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static jobject getActivity();
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static jobject getContext();
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static void init(JNIEnv *env, jobject context);
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static void onDestroy();
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// NOLINTNEXTLINE
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static bool getStaticMethodInfo(JniMethodInfo &methodInfo,
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const char *className,
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const char *methodName,
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const char *paramCode);
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// NOLINTNEXTLINE
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static bool getMethodInfo(JniMethodInfo &methodInfo,
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const char *className,
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const char *methodName,
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const char *paramCode);
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static ccstd::string jstring2string(jstring str);
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static jmethodID loadclassMethodMethodId;
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static jobject classloader;
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static std::function<void()> classloaderCallback;
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template <typename... Ts>
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static jobject newObject(const ccstd::string &className, Ts... xs) {
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jobject ret = nullptr;
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static const char *methodName = "<init>";
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")V";
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if (cc::JniHelper::getMethodInfo(t, className.c_str(), methodName, signature.c_str())) {
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LocalRefMapType localRefs;
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ret = t.env->NewObject(t.classID, t.methodID, convert(&localRefs, &t, xs)...);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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return ret;
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}
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template <typename... Ts>
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static void callObjectVoidMethod(jobject object,
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const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")V";
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if (cc::JniHelper::getMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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t.env->CallVoidMethod(object, t.methodID, convert(&localRefs, &t, xs)...);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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CLEAR_EXCEPTON(t.env);
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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}
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template <typename... Ts>
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static float callObjectFloatMethod(jobject object,
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const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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float ret = 0.0F;
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")F";
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if (cc::JniHelper::getMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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ret = t.env->CallFloatMethod(object, t.methodID, convert(&localRefs, &t, xs)...);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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CLEAR_EXCEPTON(t.env);
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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return ret;
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}
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template <typename... Ts>
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static jlong callObjectLongMethod(jobject object,
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const std::string &className,
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const std::string &methodName,
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Ts... xs) {
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jlong ret = 0;
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cc::JniMethodInfo t;
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std::string signature = "(" + std::string(getJNISignature(xs...)) + ")J";
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if (cc::JniHelper::getMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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ret = t.env->CallLongMethod(object, t.methodID, convert(&localRefs, &t, xs)...);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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CLEAR_EXCEPTON(t.env);
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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return ret;
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}
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template <typename... Ts>
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static jbyteArray callObjectByteArrayMethod(jobject object,
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const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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jbyteArray ret = nullptr;
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")[B";
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if (cc::JniHelper::getMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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ret = static_cast<jbyteArray>(t.env->CallObjectMethod(object, t.methodID, convert(&localRefs, &t, xs)...));
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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CLEAR_EXCEPTON(t.env);
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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return ret;
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}
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template <typename... Ts>
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static void callStaticVoidMethod(const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")V";
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if (cc::JniHelper::getStaticMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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t.env->CallStaticVoidMethod(t.classID, t.methodID, convert(&localRefs, &t, xs)...);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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CLEAR_EXCEPTON(t.env);
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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}
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template <typename... Ts>
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static bool callStaticBooleanMethod(const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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jboolean jret = JNI_FALSE;
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")Z";
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if (cc::JniHelper::getStaticMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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jret = t.env->CallStaticBooleanMethod(t.classID, t.methodID, convert(&localRefs, &t, xs)...);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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CLEAR_EXCEPTON(t.env);
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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return (jret == JNI_TRUE);
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}
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template <typename... Ts>
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static int callStaticIntMethod(const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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jint ret = 0;
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")I";
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if (cc::JniHelper::getStaticMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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ret = t.env->CallStaticIntMethod(t.classID, t.methodID, convert(&localRefs, &t, xs)...);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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CLEAR_EXCEPTON(t.env);
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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return ret;
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}
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template <typename... Ts>
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static float callStaticFloatMethod(const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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jfloat ret = 0.0;
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")F";
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if (cc::JniHelper::getStaticMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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ret = t.env->CallStaticFloatMethod(t.classID, t.methodID, convert(&localRefs, &t, xs)...);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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CLEAR_EXCEPTON(t.env);
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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return ret;
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}
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template <typename... Ts>
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static float *callStaticFloatArrayMethod(const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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static float ret[32];
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")[F";
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if (cc::JniHelper::getStaticMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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auto *array = static_cast<jfloatArray>(t.env->CallStaticObjectMethod(t.classID, t.methodID, convert(&localRefs, &t, xs)...));
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CLEAR_EXCEPTON(t.env);
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jsize len = t.env->GetArrayLength(array);
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if (len <= 32) {
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jfloat *elems = t.env->GetFloatArrayElements(array, nullptr);
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if (elems) {
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memcpy(ret, elems, sizeof(float) * len);
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t.env->ReleaseFloatArrayElements(array, elems, 0);
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};
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}
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CLEAR_EXCEPTON(t.env);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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ccDeleteLocalRef(t.env, array);
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deleteLocalRefs(t.env, &localRefs);
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return &ret[0];
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}
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reportError(className, methodName, signature);
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return nullptr;
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}
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template <typename... Ts>
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static Vec3 callStaticVec3Method(const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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Vec3 ret;
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")[F";
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if (cc::JniHelper::getStaticMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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auto *array = static_cast<jfloatArray>(t.env->CallStaticObjectMethod(t.classID, t.methodID, convert(&localRefs, &t, xs)...));
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CLEAR_EXCEPTON(t.env);
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jsize len = t.env->GetArrayLength(array);
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if (len == 3) {
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jfloat *elems = t.env->GetFloatArrayElements(array, nullptr);
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ret.x = elems[0];
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ret.y = elems[1];
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ret.z = elems[2];
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t.env->ReleaseFloatArrayElements(array, elems, 0);
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}
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CLEAR_EXCEPTON(t.env);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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ccDeleteLocalRef(t.env, array);
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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return ret;
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}
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template <typename... Ts>
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static double callStaticDoubleMethod(const ccstd::string &className,
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const ccstd::string &methodName,
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Ts... xs) {
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jdouble ret = 0.0;
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cc::JniMethodInfo t;
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ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")D";
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if (cc::JniHelper::getStaticMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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LocalRefMapType localRefs;
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ret = t.env->CallStaticDoubleMethod(t.classID, t.methodID, convert(&localRefs, &t, xs)...);
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CLEAR_EXCEPTON(t.env);
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#ifndef __OHOS__
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ccDeleteLocalRef(t.env, t.classID);
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#endif
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deleteLocalRefs(t.env, &localRefs);
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} else {
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reportError(className, methodName, signature);
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}
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return ret;
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}
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|
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template <typename... Ts>
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static ccstd::string callStaticStringMethod(const ccstd::string &className,
|
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const ccstd::string &methodName,
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Ts... xs) {
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ccstd::string ret;
|
|
|
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cc::JniMethodInfo t;
|
|
ccstd::string signature = "(" + ccstd::string(getJNISignature(xs...)) + ")Ljava/lang/String;";
|
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if (cc::JniHelper::getStaticMethodInfo(t, className.c_str(), methodName.c_str(), signature.c_str())) {
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|
LocalRefMapType localRefs;
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|
auto *jret = static_cast<jstring>(t.env->CallStaticObjectMethod(t.classID, t.methodID, convert(&localRefs, &t, xs)...));
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CLEAR_EXCEPTON(t.env);
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|
ret = cc::JniHelper::jstring2string(jret);
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ccDeleteLocalRef(t.env, jret);
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|
#ifndef __OHOS__
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|
ccDeleteLocalRef(t.env, t.classID);
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|
#endif
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deleteLocalRefs(t.env, &localRefs);
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|
} else {
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|
reportError(className, methodName, signature);
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|
}
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|
return ret;
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|
}
|
|
static bool setClassLoaderFrom(jobject contextInstance);
|
|
|
|
private:
|
|
static jobject sContext;
|
|
static JavaVM *sJavaVM;
|
|
|
|
static JNIEnv *cacheEnv();
|
|
// NOLINTNEXTLINE
|
|
static bool getMethodInfoDefaultClassLoader(JniMethodInfo &methodinfo,
|
|
const char *className,
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|
const char *methodName,
|
|
const char *paramCode);
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|
|
|
static jstring convert(LocalRefMapType *localRefs, cc::JniMethodInfo *t, const char *x);
|
|
|
|
static jstring convert(LocalRefMapType *localRefs, cc::JniMethodInfo *t, const ccstd::string &x);
|
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|
|
static jobject convert(LocalRefMapType *localRefs, cc::JniMethodInfo *t, const std::vector<std::string> &x);
|
|
|
|
template <typename T>
|
|
static T convert(LocalRefMapType * /*localRefs*/, cc::JniMethodInfo * /*t*/, T x) {
|
|
return x;
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|
}
|
|
|
|
template <typename T>
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|
static jobject convert(LocalRefMapType *localRefs, cc::JniMethodInfo *t, std::pair<T *, size_t> data) {
|
|
jobject ret = nullptr;
|
|
|
|
#define JNI_SET_TYPED_ARRAY(lowercase, camelCase) \
|
|
j##lowercase##Array array = t->env->New##camelCase##Array(data.second); \
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|
t->env->Set##camelCase##ArrayRegion(array, 0, data.second, reinterpret_cast<const j##lowercase *>(data.first)); \
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|
if (array) { \
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(*localRefs)[t->env].push_back(array); \
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|
} \
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|
ret = static_cast<jobject>(array);
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|
|
using U = typename std::remove_cv<typename std::remove_pointer<T>::type>::type;
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|
|
|
if (sizeof(U) == 1) {
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|
JNI_SET_TYPED_ARRAY(byte, Byte)
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|
} else if (sizeof(U) == 4 && std::is_integral<U>::value) {
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|
JNI_SET_TYPED_ARRAY(int, Int)
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|
} else if (sizeof(U) == 8 && std::is_integral<U>::value) {
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|
JNI_SET_TYPED_ARRAY(long, Long);
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|
} else if (sizeof(U) == 4 && std::is_floating_point<U>::value) {
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|
JNI_SET_TYPED_ARRAY(float, Float);
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|
} else if (sizeof(U) == 8 && std::is_floating_point<U>::value) {
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|
JNI_SET_TYPED_ARRAY(double, Double);
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|
}
|
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|
|
#undef JNI_SET_TYPED_ARRAY
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|
return ret;
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|
}
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|
|
template <typename T, typename A>
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|
static typename std::enable_if<std::is_arithmetic<T>::value, jobject>::type convert(LocalRefMapType *localRefs, cc::JniMethodInfo *t, const std::vector<T, A> &data) {
|
|
jobject ret = nullptr;
|
|
|
|
#define JNI_SET_TYPED_ARRAY(lowercase, camelCase) \
|
|
j##lowercase##Array array = t->env->New##camelCase##Array(data.size()); \
|
|
t->env->Set##camelCase##ArrayRegion(array, 0, data.size(), reinterpret_cast<const j##lowercase *>(data.data())); \
|
|
if (array) { \
|
|
(*localRefs)[t->env].push_back(array); \
|
|
} \
|
|
ret = static_cast<jobject>(array);
|
|
|
|
if (sizeof(T) == 1) {
|
|
JNI_SET_TYPED_ARRAY(byte, Byte)
|
|
} else if (sizeof(T) == 4 && std::is_integral<T>::value) {
|
|
JNI_SET_TYPED_ARRAY(int, Int)
|
|
} else if (sizeof(T) == 8 && std::is_integral<T>::value) {
|
|
JNI_SET_TYPED_ARRAY(long, Long);
|
|
} else if (sizeof(T) == 4 && std::is_floating_point<T>::value) {
|
|
JNI_SET_TYPED_ARRAY(float, Float);
|
|
} else if (sizeof(T) == 8 && std::is_floating_point<T>::value) {
|
|
JNI_SET_TYPED_ARRAY(double, Double);
|
|
}
|
|
|
|
#undef JNI_SET_TYPED_ARRAY
|
|
return ret;
|
|
}
|
|
|
|
static void deleteLocalRefs(JNIEnv *env, LocalRefMapType *localRefs);
|
|
|
|
static ccstd::string getJNISignature() {
|
|
return "";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(bool /*unused*/) {
|
|
return "Z";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(char /*unused*/) {
|
|
return "C";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(unsigned char /*unused*/) {
|
|
return "B"; // same as jbyte
|
|
}
|
|
|
|
static ccstd::string getJNISignature(int16_t /*unused*/) {
|
|
return "S";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(int32_t /*unused*/) {
|
|
return "I";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(int64_t /*unused*/) {
|
|
return "J";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(float /*unused*/) {
|
|
return "F";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(double /*unused*/) {
|
|
return "D";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(jbyteArray /*unused*/) {
|
|
return "[B";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(jintArray /*unused*/) {
|
|
return "[I";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(const char * /*unused*/) {
|
|
return "Ljava/lang/String;";
|
|
}
|
|
|
|
static ccstd::string getJNISignature(const ccstd::string & /*unused*/) {
|
|
return "Ljava/lang/String;";
|
|
}
|
|
|
|
template <typename T>
|
|
static ccstd::string getJNISignature(T x) {
|
|
// This template should never be instantiated
|
|
static_assert(sizeof(x) == 0, "Unsupported argument type");
|
|
return "";
|
|
}
|
|
|
|
template <typename T>
|
|
static std::string getJNISignature(std::pair<T *, size_t> /*x*/) {
|
|
typename std::remove_pointer<typename std::remove_cv<T>::type>::type m;
|
|
return std::string("[") + getJNISignature(m);
|
|
}
|
|
|
|
template <typename T, typename A>
|
|
static std::string getJNISignature(const std::vector<T, A> & /*x*/) {
|
|
T m;
|
|
return std::string("[") + getJNISignature(m);
|
|
}
|
|
|
|
template <typename T, typename... Ts>
|
|
static ccstd::string getJNISignature(T x, Ts... xs) {
|
|
return getJNISignature(x) + getJNISignature(xs...);
|
|
}
|
|
|
|
static void reportError(const ccstd::string &className, const ccstd::string &methodName, const ccstd::string &signature);
|
|
};
|
|
|
|
} // namespace cc
|
|
|