/**
* Rank:
* Return matrix rank of array using SVD method
* Rank of the array is the number of SVD singular values of the array that are greater than threshold(info[3]).
*
* arguments:
* info[0]: Buffer(object created by smalloc) represent the numjs.Matrix object to be inverted.
* Must be square, i.e. M.rows == M.cols.
* info[1]: Number represent the number of rows of the matrix.
* info[2]: Number represent the number of columns of the matrix.
* info[3]: Optional - Number represent the threshold which SVD values are considered zero.
* If this arg is not given, and S is an array with singular values for M,
* and eps is the epsilon value for datatype of S, then tol is set to S.max() * max(M.shape) * eps
*
* Return value: a Number represent the matrix rank of the given matrix .
*/
void Rank(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 3) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[1]->IsNumber() || !info[2]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
Local<Object> matrixBuffer = info[0].As<Object>();
if (matrixBuffer->HasIndexedPropertiesInExternalArrayData()) {
double *refMatrixData = static_cast<double*>(matrixBuffer->GetIndexedPropertiesExternalArrayData());
size_t rowsMatrix(info[1]->Uint32Value());
size_t colsMatrix(info[2]->Uint32Value());
Md inputMat(refMatrixData, rowsMatrix, colsMatrix);
Eigen::JacobiSVD<Eigen::MatrixXd> svd(inputMat);
if (info.Length() == 4 && info[3]->IsNumber()){
svd.setThreshold((float)info[3]->NumberValue());
}
v8::Local<v8::Number> num = Nan::New((int)svd.rank());
info.GetReturnValue().Set(num);
}
else{
Nan::ThrowTypeError("Wrong arguments");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
/**
* Rank:
* Return matrix rank of array using SVD method
* Rank of the array is the number of SVD singular values of the array that are greater than threshold(info[3]).
*
* arguments:
* info[0]: Buffer(object created by Float64Array) represent the numjs.Matrix object to be inverted.
* Must be square, i.e. M.rows == M.cols.
* info[1]: Number represent the number of rows of the matrix.
* info[2]: Number represent the number of columns of the matrix.
* info[3]: Optional - Number represent the threshold which SVD values are considered zero.
* If this arg is not given, and S is an array with singular values for M,
* and eps is the epsilon value for datatype of S, then tol is set to S.max() * max(M.shape) * eps
*
* Return value: a Number represent the matrix rank of the given matrix .
*/
void Rank(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 3) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[1]->IsNumber() || !info[2]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
if (info[0]->IsFloat64Array()) {
double *refMatrixData = *(Nan::TypedArrayContents<double>(info[0]));
size_t rowsMatrix(info[1]->Uint32Value());
size_t colsMatrix(info[2]->Uint32Value());
Md inputMat(refMatrixData, rowsMatrix, colsMatrix);
Eigen::JacobiSVD<Eigen::MatrixXd> svd(inputMat);
if (info.Length() == 4 && info[3]->IsNumber()){
svd.setThreshold((float)info[3]->NumberValue());
}
v8::Local<v8::Number> num = Nan::New((int)svd.rank());
info.GetReturnValue().Set(num);
}
else{
Nan::ThrowTypeError("Wrong arguments");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
void Find(const Nan::FunctionCallbackInfo<v8::Value>& args) {
Nan::HandleScope scope;
int vid = 0;
int pid = 0;
v8::Local<v8::Function> callback;
if (args.Length() == 0) {
return Nan::ThrowTypeError("First argument must be a function");
}
if (args.Length() == 3) {
if (args[0]->IsNumber() && args[1]->IsNumber()) {
vid = (int) args[0]->NumberValue();
pid = (int) args[1]->NumberValue();
}
// callback
if(!args[2]->IsFunction()) {
return Nan::ThrowTypeError("Third argument must be a function");
}
callback = args[2].As<v8::Function>();
}
if (args.Length() == 2) {
if (args[0]->IsNumber()) {
vid = (int) args[0]->NumberValue();
}
// callback
if(!args[1]->IsFunction()) {
return Nan::ThrowTypeError("Second argument must be a function");
}
callback = args[1].As<v8::Function>();
}
if (args.Length() == 1) {
// callback
if(!args[0]->IsFunction()) {
return Nan::ThrowTypeError("First argument must be a function");
}
callback = args[0].As<v8::Function>();
}
ListBaton* baton = new ListBaton();
strcpy(baton->errorString, "");
baton->callback = new Nan::Callback(callback);
baton->vid = vid;
baton->pid = pid;
uv_work_t* req = new uv_work_t();
req->data = baton;
uv_queue_work(uv_default_loop(), req, EIO_Find, (uv_after_work_cb)EIO_AfterFind);
}
/**
* Det:
* Compute the determinant of an array.
*
* arguments:
* info[0]: Buffer(object created by Float64Array) represent the numjs.Matrix object to be inverted.
* Must be square, i.e. M.rows == M.cols.
* info[1]: Number represent the number of rows of the matrix.
* info[2]: Number represent the number of columns of the matrix.
*
* Return value: a Number represent the determinant of the given matrix.
*/
void Det(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 3) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[1]->IsNumber() || !info[2]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
if (info[0]->IsFloat64Array()) {
double *refMatrixData = *(Nan::TypedArrayContents<double>(info[0]));
size_t rowsMatrix(info[1]->Uint32Value());
size_t colsMatrix(info[2]->Uint32Value());
Md inputMat(refMatrixData, rowsMatrix, colsMatrix);
v8::Local<v8::Number> num = Nan::New(inputMat.determinant());
info.GetReturnValue().Set(num);
}
else{
Nan::ThrowTypeError("Wrong arguments");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
void SecureCellSeal::New(const Nan::FunctionCallbackInfo<v8::Value>& args)
{
if (args.IsConstructCall()) {
if (args.Length() < 1) {
ThrowParameterError("Secure Cell (Seal) constructor",
"not enough arguments, expected master key");
args.GetReturnValue().SetUndefined();
return;
}
if (!args[0]->IsUint8Array()) {
ThrowParameterError("Secure Cell (Seal) constructor",
"master key is not a byte buffer, use ByteBuffer or Uint8Array");
args.GetReturnValue().SetUndefined();
return;
}
if (node::Buffer::Length(args[0]) == 0) {
ThrowParameterError("Secure Cell (Seal) constructor", "master key is empty");
args.GetReturnValue().SetUndefined();
return;
}
std::vector<uint8_t> key((uint8_t*)(node::Buffer::Data(args[0])),
(uint8_t*)(node::Buffer::Data(args[0]) + node::Buffer::Length(args[0])));
SecureCellSeal* obj = new SecureCellSeal(key);
obj->Wrap(args.This());
args.GetReturnValue().Set(args.This());
} else {
const int argc = 1;
v8::Local<v8::Value> argv[argc] = {args[0]};
v8::Local<v8::Function> cons = Nan::New<v8::Function>(constructor);
args.GetReturnValue().Set(Nan::NewInstance(cons, argc, argv).ToLocalChecked());
}
}
/**
* Eye:
* Creates a new nXm matrix with ones on the diagonal
* and zeros elsewhere.
*
* arguments:
* info[0]: Number n which represents the number of rows in the newly built matrix
* info[1]: Number m which represents the number of cols in the newly built matrix
* info[2]: Buffer(object created by Float64Array) for return value(eye matrix nXm).
*/
void Eye(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 3) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[0]->IsNumber() || !info[1]->IsNumber()) {
Nan::ThrowTypeError("Wrong argument given, should be a number");
return;
}
if (info[2]->IsFloat64Array()) {
size_t rowsMatrix(info[0]->Uint32Value());
size_t colsMatrix(info[1]->Uint32Value());
double *refResData = *(Nan::TypedArrayContents<double>(info[2]));
Md res(refResData, rowsMatrix, colsMatrix);
res = Md::Identity(rowsMatrix, colsMatrix);
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
else{
Nan::ThrowTypeError("Wrong arguments2");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
void ParseAsync(const Nan::FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
int args_length = args.Length();
if (args_length < 2) {
isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Wrong number of arguments")));
return;
}
Local<Value> input = args[0];
if (!ValidateInput(input, isolate)) {
return;
}
if (!args[1]->IsFunction()) {
isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Second parameter must be a callback")));
return;
}
Nan::Callback *callback = new Nan::Callback(args[1].As<Function>());
anitomyJs::Worker *worker = new anitomyJs::Worker(callback);
if (args_length >= 3) {
Local<Value> options = args[2];
if (!ValidateOptions(options, isolate) ||
!worker->GetAnitomy()->SetOptions(options->ToObject(isolate->GetCurrentContext()).ToLocalChecked(), isolate)) {
return;
}
}
worker->GetAnitomy()->SetInput(input, isolate);
Nan::AsyncQueueWorker(worker);
args.GetReturnValue().Set(Nan::Undefined());
}
void ParseSync(const Nan::FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
int args_length = args.Length();
if (args_length < 1) {
isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Wrong number of arguments")));
return;
}
Local<Value> input = args[0];
if (!ValidateInput(input, isolate)) {
return;
}
anitomyJs::AnitomyJs anitomy;
if (args_length >= 2) {
Local<Value> options = args[1];
if (!ValidateOptions(options, isolate) ||
!anitomy.SetOptions(options->ToObject(isolate->GetCurrentContext()).ToLocalChecked(), isolate)) {
return;
}
}
anitomy.SetInput(input, isolate);
anitomy.Parse();
args.GetReturnValue().Set(anitomy.ParsedResult(isolate));
}
/**
* MatrixPower:
* Raise a square matrix to the (integer) power n.
*
* arguments:
* info[0]: Buffer(object created by smalloc) represent the numjs.Matrix object to be "powered".
* Must be square, i.e. M.rows == M.cols.
* info[1]: Number represent the number of rows of the matrix.
* info[2]: Number represent the number of columns of the matrix.
* info[3]: Number m represent the exponent. Can be any integer or long integer, positive, negative, or zero.
* info[4]: Buffer(object created by smalloc) for return value(M**m).
If the exponent is positive or zero then the type of the elements is the same as those of M.
If the exponent is negative the elements are floating-point.
*/
void MatrixPower(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 5) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[1]->IsNumber() || !info[2]->IsNumber() || !info[3]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
Local<Object> matrixBuffer = info[0].As<Object>();
if (matrixBuffer->HasIndexedPropertiesInExternalArrayData()) {
double *refMatrixData = static_cast<double*>(matrixBuffer->GetIndexedPropertiesExternalArrayData());
size_t rowsMatrix(info[1]->Uint32Value());
size_t colsMatrix(info[2]->Uint32Value());
double expParam(info[3]->NumberValue());
Md inputMat(refMatrixData, rowsMatrix, colsMatrix);
Local<Object> resBuffer = info[4].As<Object>();
if (resBuffer->HasIndexedPropertiesInExternalArrayData()) {
double *refResData = static_cast<double*>(resBuffer->GetIndexedPropertiesExternalArrayData());
Md res(refResData, rowsMatrix, colsMatrix);
if(expParam == 0){
res = inputMat.Identity(rowsMatrix, colsMatrix);
}
else{
res = inputMat;
if(expParam < 0){
res = res.inverse();
}
for (int i=1; i< abs(expParam); i++)
{
res *= inputMat;
}
}
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
else{
Nan::ThrowTypeError("Wrong arguments2");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
else{
Nan::ThrowTypeError("Wrong arguments3");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
/**
* MatrixPower:
* Raise a square matrix to the (integer) power n.
*
* arguments:
* info[0]: Buffer(object created by Float64Array) represent the numjs.Matrix object to be "powered".
* Must be square, i.e. M.rows == M.cols.
* info[1]: Number represent the number of rows of the matrix.
* info[2]: Number represent the number of columns of the matrix.
* info[3]: Number m represent the exponent. Can be any integer or long integer, positive, negative, or zero.
* info[4]: Buffer(object created by Float64Array) for return value(M**m).
If the exponent is positive or zero then the type of the elements is the same as those of M.
If the exponent is negative the elements are floating-point.
*/
void MatrixPower(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 5) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[1]->IsNumber() || !info[2]->IsNumber() || !info[3]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
if (info[0]->IsFloat64Array()) {
double *refMatrixData = *(Nan::TypedArrayContents<double>(info[0]));
size_t rowsMatrix(info[1]->Uint32Value());
size_t colsMatrix(info[2]->Uint32Value());
double expParam(info[3]->NumberValue());
Md inputMat(refMatrixData, rowsMatrix, colsMatrix);
if (info[4]->IsFloat64Array()) {
double *refResData = *(Nan::TypedArrayContents<double>(info[4]));
Md res(refResData, rowsMatrix, colsMatrix);
if(expParam == 0){
res = inputMat.Identity(rowsMatrix, colsMatrix);
}
else{
res = inputMat;
if(expParam < 0){
res = res.inverse();
}
for (int i=1; i< abs(expParam); i++)
{
res *= inputMat;
}
}
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
else{
Nan::ThrowTypeError("Wrong arguments2");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
else{
Nan::ThrowTypeError("Wrong arguments3");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
void RegisterRemoved(const Nan::FunctionCallbackInfo<v8::Value>& args) {
Nan::HandleScope scope;
v8::Local<v8::Function> callback;
if (args.Length() == 0) {
return Nan::ThrowTypeError("First argument must be a function");
}
if (args.Length() == 1) {
// callback
if(!args[0]->IsFunction()) {
return Nan::ThrowTypeError("First argument must be a function");
}
callback = args[0].As<v8::Function>();
}
removedCallback = new Nan::Callback(callback);
isRemovedRegistered = true;
}
void GetClipDatabase(const Nan::FunctionCallbackInfo<v8::Value>& info) {
if ((info.Length() < 1) || (info.Length() > 1)) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[0]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
int sizeOfData = 0;
char* clipDatabase = GetClipDatabase(sizeOfData);
v8::Local<v8::String> v8ClipDatabase = v8::String::New(clipDatabase, sizeOfData);
v8::Local<v8::Object> obj = Nan::New<v8::Object>();
obj->Set(Nan::New("msg").ToLocalChecked(), v8ClipDatabase);
info.GetReturnValue().Set(obj);
FreeClipDatabase(clipDatabase);
}
void VerifyMail(const Nan::FunctionCallbackInfo<v8::Value>& info) {
if (info.Length() < 3) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
Nan::Utf8String infile(info[0]->ToString());
Nan::Utf8String outfile(info[1]->ToString());
Nan::Utf8String recipfile(info[2]->ToString());
int ret = verify_mime(*infile, *outfile, *recipfile);
v8::Local<v8::Number> res = Nan::New(ret);
info.GetReturnValue().Set(res);
}
void DecryptCMSMail(const Nan::FunctionCallbackInfo<v8::Value>& info) {
if (info.Length() < 4) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
Nan::Utf8String recipfile(info[0]->ToString());
Nan::Utf8String pass(info[1]->ToString());
Nan::Utf8String infile(info[2]->ToString());
Nan::Utf8String outfile(info[3]->ToString());
int ret = decrypt_cms(*recipfile, *pass, *infile, *outfile);
v8::Local<v8::Number> res = Nan::New(ret);
info.GetReturnValue().Set(res);
}
/**
* Triu:
* Creates a copy of a given matrix with all elements below the diagonal zeroed
*
* arguments:
* info[0]: Buffer(object created by Float64Array) represent the numjs.Matrix object to be converted to lower diagonal matrix
* info[1]: Number represent the number of rows of the matrix.
* info[2]: Number represent the number of columns of the matrix.
* info[3]: Buffer(object created by Float64Array) for return value(M**m).
*/
void Triu(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 4) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[1]->IsNumber() || !info[2]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
if (info[0]->IsFloat64Array()) {
double *refMatrixData = *(Nan::TypedArrayContents<double>(info[0]));
size_t rowsMatrix(info[1]->Uint32Value());
size_t colsMatrix(info[2]->Uint32Value());
Md inputMat(refMatrixData, rowsMatrix, colsMatrix);
if (info[3]->IsFloat64Array()) {
double *refResData = *(Nan::TypedArrayContents<double>(info[3]));
Md res(refResData, rowsMatrix, colsMatrix);
for (int i = 0; i < rowsMatrix; i++) {
for (int j = 0; j < colsMatrix; j++) {
if (j < i) {
res(i, j) = 0;
} else {
res(i, j) = inputMat(i, j);
}
}
}
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
else{
Nan::ThrowTypeError("Wrong argument - output matrix data should be float64array");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
else{
Nan::ThrowTypeError("Wrong argument - input matrix data should be float64array");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
void Add(const Nan::FunctionCallbackInfo<v8::Value>& info) {
if (info.Length() < 2) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[0]->IsNumber() || !info[1]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
double arg0 = info[0]->NumberValue();
double arg1 = info[1]->NumberValue();
v8::Local<v8::Number> num = Nan::New(arg0 + arg1);
info.GetReturnValue().Set(num);
}
void unsquashfs(const Nan::FunctionCallbackInfo<v8::Value>& info) {
if (info.Length() < 2) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[0]->IsString() || !info[1]->IsString()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
std::string file = std::string(*(v8::String::Utf8Value) info[0]->ToString());
std::string dest = std::string(*(v8::String::Utf8Value) info[1]->ToString());
int err = toDir_unsquashfs((char*)file.c_str(), (char*)dest.c_str());
info.GetReturnValue().Set(Nan::New(err));
}
/**
* Inverse:
* Compute the (multiplicative) inverse of a matrix.
* Given a square matrix a, return the matrix ainv satisfying dot(a, ainv) = dot(ainv, a)
*
* arguments:
* info[0]: Buffer(object created by Float64Array) represent the numjs.Matrix object to be inverted.
* Must be square, i.e. M.rows == M.cols.
* info[1]: Number represent the number of rows of the matrix.
* info[2]: Number represent the number of columns of the matrix.
* info[3]: Buffer(object created by Float64Array) for return value, inverse of the given matrix.
*/
void Inverse(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 4) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[1]->IsNumber() || !info[2]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
if (info[0]->IsFloat64Array()) {
double *refMatrixData = *(Nan::TypedArrayContents<double>(info[0]));
size_t rowsMatrix(info[1]->Uint32Value());
size_t colsMatrix(info[2]->Uint32Value());
Md inputMat(refMatrixData, rowsMatrix, colsMatrix);
if (info[3]->IsFloat64Array()) {
double *refResData = *(Nan::TypedArrayContents<double>(info[3]));
Md res(refResData, rowsMatrix, colsMatrix);
res = inputMat.inverse();
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
else{
Nan::ThrowTypeError("Wrong arguments (4th arg)");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
else{
Nan::ThrowTypeError("Wrong arguments (1st arg)");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
inline void asyncForTiles(const Nan::FunctionCallbackInfo<v8::Value> &info,
ParameterParser argsToParams,
ServiceMemFn service,
bool requires_multiple_coordinates)
{
auto params = argsToParams(info, requires_multiple_coordinates);
if (!params)
return;
auto pluginParams = argumentsToPluginParameters(info);
BOOST_ASSERT(params->IsValid());
if (!info[info.Length() - 1]->IsFunction())
return Nan::ThrowTypeError("last argument must be a callback function");
auto *const self = Nan::ObjectWrap::Unwrap<Engine>(info.Holder());
using ParamPtr = decltype(params);
struct Worker final : Nan::AsyncWorker
{
using Base = Nan::AsyncWorker;
Worker(std::shared_ptr<osrm::OSRM> osrm_,
ParamPtr params_,
ServiceMemFn service,
Nan::Callback *callback,
PluginParameters pluginParams_)
: Base(callback), osrm{std::move(osrm_)}, service{std::move(service)},
params{std::move(params_)}, pluginParams{std::move(pluginParams_)}
{
}
void Execute() override try
{
const auto status = ((*osrm).*(service))(*params, result);
ParseResult(status, result);
}
catch (const std::exception &e)
{
SetErrorMessage(e.what());
}
void HandleOKCallback() override
{
Nan::HandleScope scope;
const constexpr auto argc = 2u;
v8::Local<v8::Value> argv[argc] = {Nan::Null(), render(result)};
callback->Call(argc, argv);
}
// Keeps the OSRM object alive even after shutdown until we're done with callback
std::shared_ptr<osrm::OSRM> osrm;
ServiceMemFn service;
const ParamPtr params;
const PluginParameters pluginParams;
std::string result;
};
auto *callback = new Nan::Callback{info[info.Length() - 1].As<v8::Function>()};
Nan::AsyncQueueWorker(
new Worker{self->this_, std::move(params), service, callback, std::move(pluginParams)});
}
/**
* Dot:
* Dot product of two arrays.
* For 2-D arrays it is equivalent to matrix multiplication, and for 1-D arrays to inner product of vectors
* (without complex conjugation).
*
* arguments:
* info[0]: Number represent the number of rows of the left matrix.
* info[1]: Number represent the number of columns of the left matrix.
* info[2]: Buffer(object created by Float64Array) represent the left numjs.Matrix object .
* info[3]: Number represent the number of rows of the right matrix.
* info[4]: Number represent the number of columns of the right matrix.
* info[5]: Buffer(object created by Float64Array) represent the right numjs.Matrix object .
* info[6]: Buffer(object created by Float64Array) for return value, which is the dot product of
* left matrix and right matrix.
*/
void Dot(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 7) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[0]->IsUint32() || !info[1]->IsUint32() ||
!info[3]->IsUint32() || !info[4]->IsUint32()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
if (info[2]->IsNumber()) {
double leftParam(info[2]->NumberValue());
if(!info[5]->IsNumber()){
if (info[5]->IsFloat64Array()) {
double *refRightData = *(Nan::TypedArrayContents<double>(info[5]));
size_t rowsRight(info[3]->Uint32Value());
size_t colsRight(info[4]->Uint32Value());
CMd rightMat(refRightData, rowsRight, colsRight);
if (info[6]->IsFloat64Array()) {
double *refResData = *(Nan::TypedArrayContents<double>(info[6]));
Md res(refResData, rowsRight, colsRight);
res = leftParam * rightMat;
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
}
}
}
else{
if (info[2]->IsFloat64Array()) {
double *refLeftData = *(Nan::TypedArrayContents<double>(info[2]));
size_t rowsLeft(info[0]->Uint32Value());
size_t colsLeft(info[1]->Uint32Value());
CMd leftMat(refLeftData, rowsLeft, colsLeft);
if(info[5]->IsNumber()){
double rightParam(info[5]->NumberValue());
if (info[6]->IsFloat64Array()) {
double *refResData = *(Nan::TypedArrayContents<double>(info[6]));
Md res(refResData, rowsLeft, colsLeft);
res = leftMat * rightParam;
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
}
else{
if (info[5]->IsFloat64Array()) {
double *refRightData = *(Nan::TypedArrayContents<double>(info[5]));
size_t rowsRight(info[3]->Uint32Value());
size_t colsRight(info[4]->Uint32Value());
CMd rightMat(refRightData, rowsRight, colsRight);
if (info[6]->IsFloat64Array()) {
double *refResData = *(Nan::TypedArrayContents<double>(info[6]));
Md res(refResData, rowsLeft, colsRight);
res = leftMat * rightMat;
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
}
}
}
else{
Nan::ThrowTypeError("Wrong type of the first argument");
return;
}
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
/**
* Dot:
* Dot product of two arrays.
* For 2-D arrays it is equivalent to matrix multiplication, and for 1-D arrays to inner product of vectors
* (without complex conjugation).
*
* arguments:
* info[0]: Number represent the number of rows of the left matrix.
* info[1]: Number represent the number of columns of the left matrix.
* info[2]: Buffer(object created by smalloc) represent the left numjs.Matrix object .
* info[3]: Number represent the number of rows of the right matrix.
* info[4]: Number represent the number of columns of the right matrix.
* info[5]: Buffer(object created by smalloc) represent the right numjs.Matrix object .
* info[6]: Buffer(object created by smalloc) for return value, which is the dot product of
* left matrix and right matrix.
*/
void Dot(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 7) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[0]->IsUint32() || !info[1]->IsUint32() ||
!info[3]->IsUint32() || !info[4]->IsUint32()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
if (info[2]->IsNumber()) {
double leftParam(info[2]->NumberValue());
if(!info[5]->IsNumber()){
Local<Object> rightBuffer = info[5].As<Object>();
if (rightBuffer->HasIndexedPropertiesInExternalArrayData()) {
double *refRightData = static_cast<double*>(rightBuffer->GetIndexedPropertiesExternalArrayData());
size_t rowsRight(info[3]->Uint32Value());
size_t colsRight(info[4]->Uint32Value());
CMd rightMat(refRightData, rowsRight, colsRight);
Local<Object> resBuffer = info[6].As<Object>();
if (resBuffer->HasIndexedPropertiesInExternalArrayData()) {
double *refResData = static_cast<double*>(resBuffer->GetIndexedPropertiesExternalArrayData());
Md res(refResData, rowsRight, colsRight);
res = leftParam * rightMat;
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
}
}
}
else{
Local<Object> leftBuffer = info[2].As<Object>();
if (leftBuffer->HasIndexedPropertiesInExternalArrayData()) {
double *refLeftData = static_cast<double*>(leftBuffer->GetIndexedPropertiesExternalArrayData());
size_t rowsLeft(info[0]->Uint32Value());
size_t colsLeft(info[1]->Uint32Value());
CMd leftMat(refLeftData, rowsLeft, colsLeft);
if(info[5]->IsNumber()){
double rightParam(info[5]->NumberValue());
Local<Object> resBuffer = info[6].As<Object>();
if (resBuffer->HasIndexedPropertiesInExternalArrayData()) {
double *refResData = static_cast<double*>(resBuffer->GetIndexedPropertiesExternalArrayData());
Md res(refResData, rowsLeft, colsLeft);
res = leftMat * rightParam;
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
}
else{
Local<Object> rightBuffer = info[5].As<Object>();
if (rightBuffer->HasIndexedPropertiesInExternalArrayData()) {
double *refRightData = static_cast<double*>(rightBuffer->GetIndexedPropertiesExternalArrayData());
size_t rowsRight(info[3]->Uint32Value());
size_t colsRight(info[4]->Uint32Value());
CMd rightMat(refRightData, rowsRight, colsRight);
Local<Object> resBuffer = info[6].As<Object>();
if (resBuffer->HasIndexedPropertiesInExternalArrayData()) {
double *refResData = static_cast<double*>(resBuffer->GetIndexedPropertiesExternalArrayData());
Md res(refResData, rowsLeft, colsRight);
res = leftMat * rightMat;
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
}
}
}
else{
Nan::ThrowTypeError("Wrong type of the first argument");
return;
}
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
void SecureCellSeal::encrypt(const Nan::FunctionCallbackInfo<v8::Value>& args)
{
themis_status_t status = THEMIS_FAIL;
SecureCellSeal* obj = Nan::ObjectWrap::Unwrap<SecureCellSeal>(args.This());
if (args.Length() < 1) {
ThrowParameterError("Secure Cell (Seal) failed to encrypt",
"not enough arguments, expected message");
args.GetReturnValue().SetUndefined();
return;
}
if (!args[0]->IsUint8Array()) {
ThrowParameterError("Secure Cell (Seal) failed to encrypt",
"message is not a byte buffer, use ByteBuffer or Uint8Array");
args.GetReturnValue().SetUndefined();
return;
}
if (node::Buffer::Length(args[0]) == 0) {
ThrowParameterError("Secure Cell (Seal) failed to encrypt", "message is empty");
args.GetReturnValue().SetUndefined();
return;
}
size_t length = 0;
const uint8_t* context = NULL;
size_t context_length = 0;
if (args.Length() == 2) {
if (!args[1]->IsUint8Array()) {
ThrowParameterError("Secure Cell (Seal) failed to encrypt",
"context is not a byte buffer, use ByteBuffer or Uint8Array");
args.GetReturnValue().SetUndefined();
return;
}
context = (const uint8_t*)(node::Buffer::Data(args[1]));
context_length = node::Buffer::Length(args[1]);
}
status = themis_secure_cell_encrypt_seal(&(obj->key_)[0],
obj->key_.size(),
context,
context_length,
(const uint8_t*)(node::Buffer::Data(args[0])),
node::Buffer::Length(args[0]),
NULL,
&length);
if (status != THEMIS_BUFFER_TOO_SMALL) {
ThrowError("Secure Cell (Seal) failed to encrypt", status);
args.GetReturnValue().SetUndefined();
return;
}
uint8_t* data = (uint8_t*)(malloc(length));
status = themis_secure_cell_encrypt_seal(&(obj->key_)[0],
obj->key_.size(),
context,
context_length,
(const uint8_t*)(node::Buffer::Data(args[0])),
node::Buffer::Length(args[0]),
data,
&length);
if (status != THEMIS_SUCCESS) {
ThrowError("Secure Cell (Seal) failed to encrypt", status);
free(data);
args.GetReturnValue().SetUndefined();
return;
}
args.GetReturnValue().Set(Nan::NewBuffer((char*)(data), length).ToLocalChecked());
}
/**
* SVD:
* Singular Value Decomposition.
* Factors the matrix a as u * np.diag(s) * v, where u and v are unitary and s is a 1-d array of a‘s singular values.
*
* arguments:
* info[0]: Buffer(object created by Float64Array) represent the numjs.Matrix object to be inverted.
* Must be square, i.e. M.rows == M.cols.
* info[1]: Number represent the number of rows of the matrix.
* info[2]: Number represent the number of columns of the matrix.
* info[3]: full_matrices(bool, optional): If True (default), u and v have the shapes (M, M) and (N, N), respectively.
* Otherwise, the shapes are (M, K) and (K, N), respectively, where K = min(M, N).
* info[4]: compute_uv (bool, optional): Whether or not to compute u and v in addition to s. True by default.
* info[5]: outU - Unitary matrices. The actual shape depends on the value of full_matrices.
* Only returned when compute_uv is True.
* info[6]: outS - The singular values for every matrix, sorted in descending order.
* info[7]: outV - Unitary matrices. The actual shape depends on the value of full_matrices.
* Only returned when compute_uv is True.
*/
void SVD(const Nan::FunctionCallbackInfo<v8::Value>& info){
using CMd = Eigen::Map <const Eigen::MatrixXd >;
using Md = Eigen::Map <Eigen::MatrixXd >;
if (info.Length() < 8) {
Nan::ThrowTypeError("Wrong number of arguments");
return;
}
if (!info[1]->IsNumber() || !info[2]->IsNumber()) {
Nan::ThrowTypeError("Wrong arguments");
return;
}
if (info[0]->IsFloat64Array()) {
double *refMatrixData = *(Nan::TypedArrayContents<double>(info[0]));
int rowsMatrix(info[1]->Uint32Value());
int colsMatrix(info[2]->Uint32Value());
Md inputMat(refMatrixData, rowsMatrix, colsMatrix);
bool isFullMatrices = info[3]->BooleanValue();
bool isComputeUV = info[4]->BooleanValue();
int k = min(rowsMatrix,colsMatrix);
if(isComputeUV){
if (info[5]->IsFloat64Array() && info[6]->IsFloat64Array() && info[7]->IsFloat64Array()) {
double *refResU = *(Nan::TypedArrayContents<double>(info[5]));
double *refResS = *(Nan::TypedArrayContents<double>(info[6]));
double *refResV = *(Nan::TypedArrayContents<double>(info[7]));
if(isFullMatrices){
Eigen::JacobiSVD<Eigen::MatrixXd> svd(inputMat, Eigen::ComputeFullU | Eigen::ComputeFullV);
Md resU(refResU, rowsMatrix, rowsMatrix);
Md resV(refResV, colsMatrix, colsMatrix);
resU = svd.matrixU();
resV = svd.matrixV();
std::memcpy(refResS, svd.singularValues().data(), k * sizeof(double));
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
else{
Eigen::JacobiSVD<Eigen::MatrixXd> svd(inputMat, Eigen::ComputeThinU | Eigen::ComputeThinV);
Md resU(refResU, rowsMatrix, k);
Md resV(refResV, k, colsMatrix);
resU = svd.matrixU();
resV = svd.matrixV();
std::memcpy(refResS, svd.singularValues().data(), k * sizeof(double));
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
}
}
else{
if(info[6]->IsFloat64Array()){
double *refResS = *(Nan::TypedArrayContents<double>(info[6]));
Eigen::JacobiSVD<Eigen::MatrixXd> svd(inputMat);
std::memcpy(refResS, svd.singularValues().data(), k * sizeof(double));
Local<Boolean> b = Nan::New(true);
info.GetReturnValue().Set(b);
}
}
}
else{
Nan::ThrowTypeError("Wrong arguments");
Local<Boolean> b = Nan::New(false);
info.GetReturnValue().Set(b);
}
}
