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#include "napi.h"
using namespace Napi;
static Value CreateDataView1(const CallbackInfo& info) {
ArrayBuffer arrayBuffer = info[0].As<ArrayBuffer>();
return DataView::New(info.Env(), arrayBuffer);
}
static Value CreateDataView2(const CallbackInfo& info) {
ArrayBuffer arrayBuffer = info[0].As<ArrayBuffer>();
size_t byteOffset = info[1].As<Number>().Uint32Value();
return DataView::New(info.Env(), arrayBuffer, byteOffset);
}
static Value CreateDataView3(const CallbackInfo& info) {
ArrayBuffer arrayBuffer = info[0].As<ArrayBuffer>();
size_t byteOffset = info[1].As<Number>().Uint32Value();
size_t byteLength = info[2].As<Number>().Uint32Value();
return DataView::New(info.Env(), arrayBuffer, byteOffset, byteLength);
}
static Value GetArrayBuffer(const CallbackInfo& info) {
return info[0].As<DataView>().ArrayBuffer();
}
static Value GetByteOffset(const CallbackInfo& info) {
return Number::New(info.Env(),
static_cast<double>(info[0].As<DataView>().ByteOffset()));
}
static Value GetByteLength(const CallbackInfo& info) {
return Number::New(info.Env(),
static_cast<double>(info[0].As<DataView>().ByteLength()));
}
Object InitDataView(Env env) {
Object exports = Object::New(env);
exports["createDataView1"] = Function::New(env, CreateDataView1);
exports["createDataView2"] = Function::New(env, CreateDataView2);
exports["createDataView3"] = Function::New(env, CreateDataView3);
exports["getArrayBuffer"] = Function::New(env, GetArrayBuffer);
exports["getByteOffset"] = Function::New(env, GetByteOffset);
exports["getByteLength"] = Function::New(env, GetByteLength);
return exports;
}
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