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#include <v8.h>
#include <node.h>
#include <assert.h>
using v8::Isolate;
using v8::Context;
using v8::Local;
using v8::MaybeLocal;
using v8::Value;
using v8::Number;
using v8::String;
using v8::Object;
using v8::Array;
using v8::ArrayBufferView;
using v8::ArrayBuffer;
using v8::FunctionCallbackInfo;
void CallWithString(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() == 1 && args[0]->IsString());
if (args.Length() == 1 && args[0]->IsString()) {
Local<String> str = args[0].As<String>();
const int32_t length = str->Utf8Length(args.GetIsolate()) + 1;
char* buf = new char[length];
str->WriteUtf8(args.GetIsolate(), buf, length);
delete [] buf;
}
}
void CallWithArray(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() == 1 && args[0]->IsArray());
if (args.Length() == 1 && args[0]->IsArray()) {
const Local<Array> array = args[0].As<Array>();
uint32_t length = array->Length();
for (uint32_t i = 0; i < length; ++ i) {
Local<Value> v;
v = array->Get(args.GetIsolate()->GetCurrentContext(),
i).ToLocalChecked();
}
}
}
void CallWithNumber(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() == 1 && args[0]->IsNumber());
if (args.Length() == 1 && args[0]->IsNumber()) {
args[0].As<Number>()->Value();
}
}
void CallWithObject(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Context> context = isolate->GetCurrentContext();
assert(args.Length() == 1 && args[0]->IsObject());
if (args.Length() == 1 && args[0]->IsObject()) {
Local<Object> obj = args[0].As<Object>();
MaybeLocal<String> map_key = String::NewFromUtf8(isolate,
"map", v8::NewStringType::kNormal);
assert(!map_key.IsEmpty());
MaybeLocal<Value> map_maybe = obj->Get(context,
map_key.ToLocalChecked());
assert(!map_maybe.IsEmpty());
Local<Value> map;
map = map_maybe.ToLocalChecked();
MaybeLocal<String> operand_key = String::NewFromUtf8(isolate,
"operand", v8::NewStringType::kNormal);
assert(!operand_key.IsEmpty());
MaybeLocal<Value> operand_maybe = obj->Get(context,
operand_key.ToLocalChecked());
assert(!operand_maybe.IsEmpty());
Local<Value> operand;
operand = operand_maybe.ToLocalChecked();
MaybeLocal<String> data_key = String::NewFromUtf8(isolate,
"data", v8::NewStringType::kNormal);
assert(!data_key.IsEmpty());
MaybeLocal<Value> data_maybe = obj->Get(context,
data_key.ToLocalChecked());
assert(!data_maybe.IsEmpty());
Local<Value> data;
data = data_maybe.ToLocalChecked();
MaybeLocal<String> reduce_key = String::NewFromUtf8(isolate,
"reduce", v8::NewStringType::kNormal);
assert(!reduce_key.IsEmpty());
MaybeLocal<Value> reduce_maybe = obj->Get(context,
reduce_key.ToLocalChecked());
assert(!reduce_maybe.IsEmpty());
Local<Value> reduce;
reduce = reduce_maybe.ToLocalChecked();
}
}
void CallWithTypedarray(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() == 1 && args[0]->IsArrayBufferView());
if (args.Length() == 1 && args[0]->IsArrayBufferView()) {
assert(args[0]->IsArrayBufferView());
Local<ArrayBufferView> view = args[0].As<ArrayBufferView>();
const size_t byte_offset = view->ByteOffset();
const size_t byte_length = view->ByteLength();
assert(byte_length > 0);
assert(view->HasBuffer());
Local<ArrayBuffer> buffer;
buffer = view->Buffer();
ArrayBuffer::Contents contents;
contents = buffer->GetContents();
const uint32_t* data = reinterpret_cast<uint32_t*>(
static_cast<uint8_t*>(contents.Data()) + byte_offset);
assert(data);
}
}
void CallWithArguments(const FunctionCallbackInfo<Value>& args) {
assert(args.Length() > 1 && args[0]->IsNumber());
if (args.Length() > 1 && args[0]->IsNumber()) {
int32_t loop = args[0].As<v8::Uint32>()->Value();
for (int32_t i = 1; i < loop; ++i) {
assert(i < args.Length());
assert(args[i]->IsUint32());
args[i].As<v8::Uint32>()->Value();
}
}
}
void Initialize(Local<Object> target) {
NODE_SET_METHOD(target, "callWithString", CallWithString);
NODE_SET_METHOD(target, "callWithLongString", CallWithString);
NODE_SET_METHOD(target, "callWithArray", CallWithArray);
NODE_SET_METHOD(target, "callWithLargeArray", CallWithArray);
NODE_SET_METHOD(target, "callWithHugeArray", CallWithArray);
NODE_SET_METHOD(target, "callWithNumber", CallWithNumber);
NODE_SET_METHOD(target, "callWithObject", CallWithObject);
NODE_SET_METHOD(target, "callWithTypedarray", CallWithTypedarray);
NODE_SET_METHOD(target, "callWith10Numbers", CallWithArguments);
NODE_SET_METHOD(target, "callWith100Numbers", CallWithArguments);
NODE_SET_METHOD(target, "callWith1000Numbers", CallWithArguments);
}
NODE_MODULE(NODE_GYP_MODULE_NAME, Initialize)
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