// native JavaScript method we'll be calling from JS land
void sampleMethod(JXValue *results, int argc) {
assert(argc == 4 && "number of arguments supposed to be 4");
assert(JX_IsFunction(&results[0]) && JX_IsFunction(&results[1]) &&
"both parameters supposed to be a function");
assert(JX_IsString(&results[2]) && JX_IsString(&results[3]) &&
"both parameters supposed to be a function");
bool JX_CallFunction(JXValue * fnc, JXValue * params, const int argc,
JXValue * out);
JXValue out;
assert(JX_CallFunction(&results[0], &results[2], 1, &out) &&
"failed while calling console.log");
assert(JX_IsUndefined(&out) &&
"return value from console.log should be undefined");
assert(JX_CallFunction(&results[0], &results[3], 1, &out) &&
"failed while calling console.error");
assert(JX_IsUndefined(&out) &&
"return value from console.error should be undefined");
counter++;
}
int main(int argc, char **args) {
JX_Initialize(args[0], callback);
JX_InitializeNewEngine();
JX_DefineMainFile(contents);
JX_DefineExtension("sampleMethod", sampleMethod);
JX_StartEngine();
while (JX_LoopOnce() != 0) usleep(1);
JXValue *params[2] = {param1, param2};
JXValue out;
// call fnc -> JS side function
// we had made this variable persistent inside sampleMethod
JX_CallFunction(fnc, *params, 2, &out);
// we need to clear persistent and then free whenever we
// are done with persistent values to not to leak
JX_ClearPersistent(fnc);
JX_Free(fnc);
JX_ClearPersistent(param1);
JX_Free(param1);
JX_ClearPersistent(param2);
JX_Free(param2);
assert(JX_GetDataLength(&out) == 11 &&
"Expected return value was 'test{\"a\":3}");
JX_Free(&out);
assert(out.data_ == NULL && out.size_ == 0 && "JX_FreeResultData leaks?");
JX_StopEngine();
}
// native sampleMethod
void sampleMethod(JXValue *results, int argc) {
for (int i = 0; i < argc; i++) {
std::string str;
ConvertResult(&results[i], str);
if (compare_base[i] != str.c_str()[0]) {
flush_console("FAIL! Item(%d) : %s \n", i, str.c_str());
exit(-1);
}
}
JXValue out;
// fnc represents the JS side function
fnc = &results[9];
param1 = results + 3;
param2 = results + 4;
// call JS side fnc with 2 parameters and get
// the result to 'out'
JX_CallFunction(fnc, (results + 3), 2, &out);
// make fnc persistent so we can call it later again
// see 'int main' for second call
JX_MakePersistent(fnc);
JX_MakePersistent(param1);
JX_MakePersistent(param2);
assert(JX_GetDataLength(&out) == 11 &&
"Expected return value was 'test{\"a\":3}");
JX_Free(&out);
assert(out.data_ == NULL && out.size_ == 0 && "JX_FreeResultData leaks?");
}
JNIEXPORT jlong JNICALL
Java_io_jxcore_node_jxcore_callCBString(JNIEnv *env, jobject thiz,
jstring ev_name, jstring param,
jint json) {
if (eventCB.type_ == 0) {
error_console("event callback is not ready yet.");
return 0;
}
const char *str_ev = env->GetStringUTFChars(ev_name, 0);
const char *str_param = env->GetStringUTFChars(param, 0);
long ret_val = 0;
JXValue args[2];
if (JX_CreateEmptyObject(&args[1])) {
JXValue jx_str_param;
JX_New(&args[0]);
JX_New(&jx_str_param);
JX_SetString(&args[0], str_ev, 0);
JX_SetString(&jx_str_param, str_param, 0);
if (json != 1)
JX_SetNamedProperty(&args[1], "str", &jx_str_param);
else
JX_SetNamedProperty(&args[1], "json", &jx_str_param);
JX_Free(&jx_str_param);
JXValue out;
JX_CallFunction(&eventCB, args, 2, &out);
JX_Free(&args[0]);
JX_Free(&args[1]);
if (!JX_IsNull(&out) && !JX_IsUndefined(&out))
ret_val = JX_StoreValue(&out);
else
ret_val = -1;
} else {
error_console("couldn't create JXValue Object");
}
env->ReleaseStringUTFChars(ev_name, str_ev);
env->ReleaseStringUTFChars(param, str_param);
return ret_val;
}
void sampleMethod(JXValue *results, int argc) {
for (int i = 0; i < argc; i++) {
std::string str;
ConvertResult(&results[i], str);
if (compare_base[i] != str.c_str()[0]) {
flush_console("FAIL! Item(%d) : %s \n", i, str.c_str());
exit(-1);
}
}
JXValue out;
JX_CallFunction(&results[9], (results + 3), 2, &out);
assert(JX_GetDataLength(&out) == 11 &&
"Expected return value was 'test{\"a\":3}");
JX_Free(&out);
assert(out.data_ == NULL && out.size_ == 0 && "JX_FreeResultData leaks?");
}
JNIEXPORT jlong JNICALL
Java_io_jxcore_node_jxcore_callCBArray(JNIEnv *env, jobject thiz,
jstring ev_name, jobjectArray params,
jint size) {
if (eventCB.type_ == 0) {
error_console("event callback is not ready yet.");
return 0;
}
const char *str_ev = env->GetStringUTFChars(ev_name, 0);
long ret_val = 0;
JXValue args[2];
if (JX_CreateArrayObject(&args[1])) {
JX_New(&args[0]);
JX_SetString(&args[0], str_ev, 0);
jclass boolClass = env->FindClass("java/lang/Boolean");
jclass doubleClass = env->FindClass("java/lang/Double");
jclass intClass = env->FindClass("java/lang/Integer");
jclass strClass = env->FindClass("java/lang/String");
jclass barrClass = env->FindClass("[B");
for (int i = 0; i < (int)size; i++) {
jobject elm = (jobject)env->GetObjectArrayElement(params, i);
JXValue val;
JX_New(&val);
if (elm == NULL) {
JX_SetNull(&val);
} else if (env->IsInstanceOf(elm, boolClass) == JNI_TRUE) {
jmethodID bvalID = env->GetMethodID(boolClass, "booleanValue", "()Z");
bool nval = (bool)env->CallBooleanMethod(elm, bvalID);
JX_SetBoolean(&val, nval);
} else if (env->IsInstanceOf(elm, intClass) == JNI_TRUE) {
jmethodID bvalID = env->GetMethodID(intClass, "intValue", "()I");
int nval = (int)env->CallIntMethod(elm, bvalID);
JX_SetInt32(&val, nval);
} else if (env->IsInstanceOf(elm, doubleClass) == JNI_TRUE) {
jmethodID bvalID = env->GetMethodID(doubleClass, "doubleValue", "()D");
double nval = (double)env->CallDoubleMethod(elm, bvalID);
JX_SetDouble(&val, nval);
} else if (env->IsInstanceOf(elm, strClass) == JNI_TRUE) {
jstring jstr = (jstring)elm;
const char *str = env->GetStringUTFChars(jstr, 0);
JX_SetString(&val, str, strlen(str));
env->ReleaseStringUTFChars(jstr, str);
} else if (env->IsInstanceOf(elm, barrClass) == JNI_TRUE) {
jbyteArray jarr = (jbyteArray)elm;
int len = env->GetArrayLength(jarr);
jbyte *barr = env->GetByteArrayElements(jarr, 0);
JX_SetBuffer(&val, (char *)barr, len);
env->ReleaseByteArrayElements(jarr, barr, JNI_ABORT);
}
JX_SetIndexedProperty(&args[1], i, &val);
JX_Free(&val);
env->DeleteLocalRef(elm);
}
env->DeleteLocalRef(boolClass);
env->DeleteLocalRef(doubleClass);
env->DeleteLocalRef(intClass);
env->DeleteLocalRef(strClass);
env->DeleteLocalRef(barrClass);
JXValue out;
JX_CallFunction(&eventCB, args, 2, &out);
JX_Free(&args[0]);
JX_Free(&args[1]);
if (!JX_IsNull(&out) && !JX_IsUndefined(&out))
ret_val = JX_StoreValue(&out);
else
ret_val = -1;
} else {
error_console("couldn't create JXValue Object");
}
env->ReleaseStringUTFChars(ev_name, str_ev);
return ret_val;
}
