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src: refactor to use nan

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- Now it supports latest 0.8.x, 0.10.x and 0.11.x
This commit is contained in:
Santiago Gimeno
2014-06-04 12:42:41 +02:00
parent 6629703927
commit 26faed6dec
7 changed files with 171 additions and 257 deletions
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311
src/cardreader.cpp
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@@ -1,10 +1,4 @@
#include "cardreader.h"
#include "common.h"
#include <v8.h>
#include <node_buffer.h>
#include <pcsclite.h>
#include <string.h>
using namespace v8;
using namespace node;
@@ -14,64 +8,48 @@ Persistent<Function> CardReader::constructor;
void CardReader::init(Handle<Object> target) {
// Prepare constructor template
Local<FunctionTemplate> tpl = FunctionTemplate::New(New);
tpl->SetClassName(String::NewSymbol("CardReader"));
Local<FunctionTemplate> tpl = NanNew<FunctionTemplate>(New);
tpl->SetClassName(NanNew("CardReader"));
tpl->InstanceTemplate()->SetInternalFieldCount(1);
// Symbol
name_symbol = NODE_PSYMBOL("name");
connected_symbol = NODE_PSYMBOL("connected");
NanAssignPersistent(name_symbol, NanNew("name"));
NanAssignPersistent(connected_symbol, NanNew("connected"));
// Prototype
NODE_SET_PROTOTYPE_METHOD(tpl, "get_status", GetStatus);
NODE_SET_PROTOTYPE_METHOD(tpl, "_connect", Connect);
NODE_SET_PROTOTYPE_METHOD(tpl, "_disconnect", Disconnect);
NODE_SET_PROTOTYPE_METHOD(tpl, "_transmit", Transmit);
NODE_SET_PROTOTYPE_METHOD(tpl, "_control", Control);
NODE_SET_PROTOTYPE_METHOD(tpl, "close", Close);
NanSetPrototypeTemplate(tpl, "get_status", NanNew<FunctionTemplate>(GetStatus));
NanSetPrototypeTemplate(tpl, "_connect", NanNew<FunctionTemplate>(Connect));
NanSetPrototypeTemplate(tpl, "_disconnect", NanNew<FunctionTemplate>(Disconnect));
NanSetPrototypeTemplate(tpl, "_transmit", NanNew<FunctionTemplate>(Transmit));
NanSetPrototypeTemplate(tpl, "_control", NanNew<FunctionTemplate>(Control));
NanSetPrototypeTemplate(tpl, "close", NanNew<FunctionTemplate>(Close));
// PCSCLite constants
// Share Mode
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_SHARE_SHARED"),
Integer::New(SCARD_SHARE_SHARED));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_SHARE_EXCLUSIVE"),
Integer::New(SCARD_SHARE_EXCLUSIVE));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_SHARE_DIRECT"),
Integer::New(SCARD_SHARE_DIRECT));
NanSetPrototypeTemplate(tpl, "SCARD_SHARE_SHARED", NanNew(SCARD_SHARE_SHARED));
NanSetPrototypeTemplate(tpl, "SCARD_SHARE_EXCLUSIVE", NanNew(SCARD_SHARE_EXCLUSIVE));
NanSetPrototypeTemplate(tpl, "SCARD_SHARE_DIRECT", NanNew(SCARD_SHARE_DIRECT));
// Protocol
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_PROTOCOL_T0"),
Integer::New(SCARD_PROTOCOL_T0));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_PROTOCOL_T1"),
Integer::New(SCARD_PROTOCOL_T1));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_PROTOCOL_RAW"),
Integer::New(SCARD_PROTOCOL_RAW));
NanSetPrototypeTemplate(tpl, "SCARD_PROTOCOL_T0", NanNew(SCARD_PROTOCOL_T0));
NanSetPrototypeTemplate(tpl, "SCARD_PROTOCOL_T1", NanNew(SCARD_PROTOCOL_T1));
NanSetPrototypeTemplate(tpl, "SCARD_PROTOCOL_RAW", NanNew(SCARD_PROTOCOL_RAW));
// State
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_UNAWARE"),
Integer::New(SCARD_STATE_UNAWARE));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_IGNORE"),
Integer::New(SCARD_STATE_IGNORE));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_CHANGED"),
Integer::New(SCARD_STATE_CHANGED));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_UNKNOWN"),
Integer::New(SCARD_STATE_UNKNOWN));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_UNAVAILABLE"),
Integer::New(SCARD_STATE_UNAVAILABLE));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_EMPTY"),
Integer::New(SCARD_STATE_EMPTY));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_PRESENT"),
Integer::New(SCARD_STATE_PRESENT));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_ATRMATCH"),
Integer::New(SCARD_STATE_ATRMATCH));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_EXCLUSIVE"),
Integer::New(SCARD_STATE_EXCLUSIVE));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_INUSE"),
Integer::New(SCARD_STATE_INUSE));
tpl->PrototypeTemplate()->Set(String::NewSymbol("SCARD_STATE_MUTE"),
Integer::New(SCARD_STATE_MUTE));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_UNAWARE", NanNew(SCARD_STATE_UNAWARE));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_IGNORE", NanNew(SCARD_STATE_IGNORE));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_CHANGED", NanNew(SCARD_STATE_CHANGED));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_UNKNOWN", NanNew(SCARD_STATE_UNKNOWN));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_UNAVAILABLE", NanNew(SCARD_STATE_UNAVAILABLE));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_EMPTY", NanNew(SCARD_STATE_EMPTY));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_PRESENT", NanNew(SCARD_STATE_PRESENT));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_ATRMATCH", NanNew(SCARD_STATE_ATRMATCH));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_EXCLUSIVE", NanNew(SCARD_STATE_EXCLUSIVE));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_INUSE", NanNew(SCARD_STATE_INUSE));
NanSetPrototypeTemplate(tpl, "SCARD_STATE_MUTE", NanNew(SCARD_STATE_MUTE));
constructor = Persistent<Function>::New(tpl->GetFunction());
target->Set(String::NewSymbol("CardReader"), constructor);
NanAssignPersistent<Function>(constructor, tpl->GetFunction());
target->Set(NanNew("CardReader"), tpl->GetFunction());
}
CardReader::CardReader(const std::string &reader_name): m_card_context(0),
@@ -93,56 +71,53 @@ CardReader::~CardReader() {
pthread_mutex_destroy(&m_mutex);
}
Handle<Value> CardReader::New(const Arguments& args) {
NAN_METHOD(CardReader::New) {
HandleScope scope;
NanScope();
v8::String::Utf8Value reader_name(args[0]->ToString());
CardReader* obj = new CardReader(*reader_name);
obj->Wrap(args.Holder());
obj->handle_->Set(name_symbol, args[0]->ToString());
obj->handle_->Set(connected_symbol, Boolean::New(false));
NanObjectWrapHandle(obj)->Set(NanNew(name_symbol), args[0]->ToString());
NanObjectWrapHandle(obj)->Set(NanNew(connected_symbol), NanFalse());
return scope.Close(args.Holder());
NanReturnValue(args.Holder());
}
Handle<Value> CardReader::GetStatus(const Arguments& args) {
NAN_METHOD(CardReader::GetStatus) {
HandleScope scope;
NanScope();
CardReader* obj = ObjectWrap::Unwrap<CardReader>(args.This());
Local<Function> cb = Local<Function>::Cast(args[0]);
AsyncBaton *async_baton = new AsyncBaton();
async_baton->async.data = async_baton;
async_baton->callback = Persistent<Function>::New(cb);
NanAssignPersistent(async_baton->callback, cb);
async_baton->reader = obj;
uv_async_init(uv_default_loop(), &async_baton->async, HandleReaderStatusChange);
uv_async_init(uv_default_loop(), &async_baton->async, (uv_async_cb)HandleReaderStatusChange);
pthread_create(&obj->m_status_thread, NULL, HandlerFunction, async_baton);
pthread_detach(obj->m_status_thread);
return scope.Close(Undefined());
NanReturnUndefined();
}
Handle<Value> CardReader::Connect(const Arguments& args) {
NAN_METHOD(CardReader::Connect) {
HandleScope scope;
NanScope();
// The second argument is the length of the data to be received
if (!args[0]->IsUint32()) {
return ThrowException(Exception::TypeError(
String::New("First argument must be an integer")));
NanThrowError("First argument must be an integer");
}
if (!args[1]->IsUint32()) {
return ThrowException(Exception::TypeError(
String::New("Second argument must be an integer")));
NanThrowError("Second argument must be an integer");
}
if (!args[2]->IsFunction()) {
return ThrowException(Exception::TypeError(
String::New("Third argument must be a callback function")));
NanThrowError("Third argument must be a callback function");
}
ConnectInput* ci = new ConnectInput();
@@ -153,26 +128,28 @@ Handle<Value> CardReader::Connect(const Arguments& args) {
// This creates our work request, including the libuv struct.
Baton* baton = new Baton();
baton->request.data = baton;
baton->callback = Persistent<Function>::New(cb);
NanAssignPersistent(baton->callback, cb);
baton->reader = ObjectWrap::Unwrap<CardReader>(args.This());
baton->input = ci;
// Schedule our work request with libuv. Here you can specify the functions
// that should be executed in the threadpool and back in the main thread
// after the threadpool function completed.
int status = uv_queue_work(uv_default_loop(), &baton->request, DoConnect, AfterConnect);
int status = uv_queue_work(uv_default_loop(),
&baton->request,
DoConnect,
reinterpret_cast<uv_after_work_cb>(AfterConnect));
assert(status == 0);
return scope.Close(Undefined());
NanReturnUndefined();
}
Handle<Value> CardReader::Disconnect(const Arguments& args) {
NAN_METHOD(CardReader::Disconnect) {
HandleScope scope;
NanScope();
if (!args[0]->IsFunction()) {
return ThrowException(Exception::TypeError(
String::New("First argument must be a callback function")));
NanThrowError("First argument must be a callback function");
}
Local<Function> cb = Local<Function>::Cast(args[0]);
@@ -180,44 +157,43 @@ Handle<Value> CardReader::Disconnect(const Arguments& args) {
// This creates our work request, including the libuv struct.
Baton* baton = new Baton();
baton->request.data = baton;
baton->callback = Persistent<Function>::New(cb);
NanAssignPersistent(baton->callback, cb);
baton->reader = ObjectWrap::Unwrap<CardReader>(args.This());
// Schedule our work request with libuv. Here you can specify the functions
// that should be executed in the threadpool and back in the main thread
// after the threadpool function completed.
int status = uv_queue_work(uv_default_loop(), &baton->request, DoDisconnect, AfterDisconnect);
int status = uv_queue_work(uv_default_loop(),
&baton->request,
DoDisconnect,
reinterpret_cast<uv_after_work_cb>(AfterDisconnect));
assert(status == 0);
return scope.Close(Undefined());
NanReturnUndefined();
}
Handle<Value> CardReader::Transmit(const Arguments& args) {
NAN_METHOD(CardReader::Transmit) {
HandleScope scope;
NanScope();
// The first argument is the buffer to be transmitted.
if (!Buffer::HasInstance(args[0])) {
return ThrowException(Exception::TypeError(
String::New("First argument must be a Buffer")));
NanThrowError("First argument must be a Buffer");
}
// The second argument is the length of the data to be received
if (!args[1]->IsUint32()) {
return ThrowException(Exception::TypeError(
String::New("Second argument must be an integer")));
NanThrowError("Second argument must be an integer");
}
// The third argument is the protocol to be used
if (!args[2]->IsUint32()) {
return ThrowException(Exception::TypeError(
String::New("Third argument must be an integer")));
NanThrowError("Third argument must be an integer");
}
// The fourth argument is the callback function
if (!args[3]->IsFunction()) {
return ThrowException(Exception::TypeError(
String::New("Fourth argument must be a callback function")));
NanThrowError("Fourth argument must be a callback function");
}
Local<Object> buffer_data = args[0]->ToObject();
@@ -228,7 +204,7 @@ Handle<Value> CardReader::Transmit(const Arguments& args) {
// This creates our work request, including the libuv struct.
Baton* baton = new Baton();
baton->request.data = baton;
baton->callback = Persistent<Function>::New(cb);
NanAssignPersistent(baton->callback, cb);
baton->reader = ObjectWrap::Unwrap<CardReader>(args.This());
TransmitInput *ti = new TransmitInput();
ti->card_protocol = protocol;
@@ -242,38 +218,37 @@ Handle<Value> CardReader::Transmit(const Arguments& args) {
// Schedule our work request with libuv. Here you can specify the functions
// that should be executed in the threadpool and back in the main thread
// after the threadpool function completed.
int status = uv_queue_work(uv_default_loop(), &baton->request, DoTransmit, AfterTransmit);
int status = uv_queue_work(uv_default_loop(),
&baton->request,
DoTransmit,
reinterpret_cast<uv_after_work_cb>(AfterTransmit));
assert(status == 0);
return scope.Close(Undefined());
NanReturnUndefined();
}
Handle<Value> CardReader::Control(const Arguments& args) {
NAN_METHOD(CardReader::Control) {
HandleScope scope;
NanScope();
// The first argument is the buffer to be transmitted.
if (!Buffer::HasInstance(args[0])) {
return ThrowException(Exception::TypeError(
String::New("First argument must be a Buffer")));
NanThrowError("First argument must be a Buffer");
}
// The second argument is the control code to be used
if (!args[1]->IsUint32()) {
return ThrowException(Exception::TypeError(
String::New("Second argument must be an integer")));
NanThrowError("Second argument must be an integer");
}
// The third argument is output buffer
if (!Buffer::HasInstance(args[2])) {
return ThrowException(Exception::TypeError(
String::New("First argument must be a Buffer")));
NanThrowError("Third argument must be a Buffer");
}
// The fourth argument is the callback function
if (!args[3]->IsFunction()) {
return ThrowException(Exception::TypeError(
String::New("Fourth argument must be a callback function")));
NanThrowError("Fourth argument must be a callback function");
}
Local<Object> in_buf = args[0]->ToObject();
@@ -284,7 +259,7 @@ Handle<Value> CardReader::Control(const Arguments& args) {
// This creates our work request, including the libuv struct.
Baton* baton = new Baton();
baton->request.data = baton;
baton->callback = Persistent<Function>::New(cb);
NanAssignPersistent(baton->callback, cb);
baton->reader = ObjectWrap::Unwrap<CardReader>(args.This());
ControlInput *ci = new ControlInput();
ci->control_code = control_code;
@@ -297,26 +272,31 @@ Handle<Value> CardReader::Control(const Arguments& args) {
// Schedule our work request with libuv. Here you can specify the functions
// that should be executed in the threadpool and back in the main thread
// after the threadpool function completed.
int status = uv_queue_work(uv_default_loop(), &baton->request, DoControl, AfterControl);
int status = uv_queue_work(uv_default_loop(),
&baton->request,
DoControl,
reinterpret_cast<uv_after_work_cb>(AfterControl));
assert(status == 0);
return scope.Close(Undefined());
NanReturnUndefined();
}
Handle<Value> CardReader::Close(const Arguments& args) {
NAN_METHOD(CardReader::Close) {
HandleScope scope;
NanScope();
CardReader* obj = ObjectWrap::Unwrap<CardReader>(args.This());
LONG result = SCardCancel(obj->m_status_card_context);
obj->m_status_card_context = 0;
return scope.Close(Integer::New(result));
NanReturnValue(NanNew<Integer>(result));
}
void CardReader::HandleReaderStatusChange(uv_async_t *handle, int status) {
NanScope();
AsyncBaton* async_baton = static_cast<AsyncBaton*>(handle->data);
AsyncResult* ar = async_baton->async_result;
@@ -325,28 +305,28 @@ void CardReader::HandleReaderStatusChange(uv_async_t *handle, int status) {
/* Emit end event */
Handle<Value> argv[1] = {
String::New("end"), // event name
NanNew("end"), // event name
};
MakeCallback(async_baton->reader->handle_, "emit", 1, argv);
NanMakeCallback(NanObjectWrapHandle(async_baton->reader), "emit", 1, argv);
return;
}
if (ar->result == SCARD_S_SUCCESS) {
const unsigned argc = 3;
Handle<Value> argv[argc] = {
Undefined(), // argument
Integer::New(ar->status),
CreateBufferInstance(reinterpret_cast<char*>(ar->atr), ar->atrlen)
NanUndefined(), // argument
NanNew<Integer>(ar->status),
NanNewBufferHandle(reinterpret_cast<char*>(ar->atr), ar->atrlen)
};
PerformCallback(async_baton->reader->handle_, async_baton->callback, argc, argv);
NanCallback(NanNew(async_baton->callback)).Call(argc, argv);
} else {
Local<Value> err = Exception::Error(String::New(pcsc_stringify_error(ar->result)));
Local<Value> err = NanError(pcsc_stringify_error(ar->result));
// Prepare the parameters for the callback function.
const unsigned argc = 1;
Handle<Value> argv[argc] = { err };
PerformCallback(async_baton->reader->handle_, async_baton->callback, argc, argv);
NanCallback(NanNew(async_baton->callback)).Call(argc, argv);
}
}
@@ -423,36 +403,32 @@ void CardReader::DoConnect(uv_work_t* req) {
baton->result = cr;
}
#if NODE_VERSION_AT_LEAST(0, 9, 4)
void CardReader::AfterConnect(uv_work_t* req, int status) {
#else
void CardReader::AfterConnect(uv_work_t* req) {
#endif
HandleScope scope;
NanScope();
Baton* baton = static_cast<Baton*>(req->data);
ConnectInput *ci = static_cast<ConnectInput*>(baton->input);
ConnectResult *cr = static_cast<ConnectResult*>(baton->result);
if (cr->result) {
Local<Value> err = Exception::Error(String::New(pcsc_stringify_error(cr->result)));
Local<Value> err = NanError(pcsc_stringify_error(cr->result));
// Prepare the parameters for the callback function.
const unsigned argc = 1;
Handle<Value> argv[argc] = { err };
PerformCallback(baton->reader->handle_, baton->callback, argc, argv);
NanCallback(NanNew(baton->callback)).Call(argc, argv);
} else {
baton->reader->handle_->Set(connected_symbol, Boolean::New(true));
NanObjectWrapHandle(baton->reader)->Set(NanNew(connected_symbol), NanTrue());
const unsigned argc = 2;
Handle<Value> argv[argc] = {
Local<Value>::New(Null()),
Integer::New(cr->card_protocol)
NanNull(),
NanNew<Integer>(cr->card_protocol)
};
PerformCallback(baton->reader->handle_, baton->callback, argc, argv);
NanCallback(NanNew(baton->callback)).Call(argc, argv);
}
// The callback is a permanent handle, so we have to dispose of it manually.
baton->callback.Dispose();
NanDisposePersistent(baton->callback);
delete ci;
delete cr;
delete baton;
@@ -481,35 +457,31 @@ void CardReader::DoDisconnect(uv_work_t* req) {
baton->result = reinterpret_cast<void*>(result);
}
#if NODE_VERSION_AT_LEAST(0, 9, 4)
void CardReader::AfterDisconnect(uv_work_t* req, int status) {
#else
void CardReader::AfterDisconnect(uv_work_t* req) {
#endif
HandleScope scope;
NanScope();
Baton* baton = static_cast<Baton*>(req->data);
LONG result = reinterpret_cast<LONG>(baton->result);
if (result) {
Local<Value> err = Exception::Error(String::New(pcsc_stringify_error(result)));
Local<Value> err = NanError(pcsc_stringify_error(result));
// Prepare the parameters for the callback function.
const unsigned argc = 1;
Handle<Value> argv[argc] = { err };
PerformCallback(baton->reader->handle_, baton->callback, argc, argv);
NanCallback(NanNew(baton->callback)).Call(argc, argv);
} else {
baton->reader->handle_->Set(connected_symbol, Boolean::New(false));
NanObjectWrapHandle(baton->reader)->Set(NanNew(connected_symbol), NanFalse());
const unsigned argc = 1;
Handle<Value> argv[argc] = {
Local<Value>::New(Null())
NanNull()
};
PerformCallback(baton->reader->handle_, baton->callback, argc, argv);
NanCallback(NanNew(baton->callback)).Call(argc, argv);
}
// The callback is a permanent handle, so we have to dispose of it manually.
baton->callback.Dispose();
NanDisposePersistent(baton->callback);
delete baton;
}
@@ -543,37 +515,33 @@ void CardReader::DoTransmit(uv_work_t* req) {
baton->result = tr;
}
#if NODE_VERSION_AT_LEAST(0, 9, 4)
void CardReader::AfterTransmit(uv_work_t* req, int status) {
#else
void CardReader::AfterTransmit(uv_work_t* req) {
#endif
HandleScope scope;
NanScope();
Baton* baton = static_cast<Baton*>(req->data);
TransmitInput *ti = static_cast<TransmitInput*>(baton->input);
TransmitResult *tr = static_cast<TransmitResult*>(baton->result);
if (tr->result) {
Local<Value> err = Exception::Error(String::New(pcsc_stringify_error(tr->result)));
Local<Value> err = NanError(pcsc_stringify_error(tr->result));
// Prepare the parameters for the callback function.
const unsigned argc = 1;
Handle<Value> argv[argc] = { err };
PerformCallback(baton->reader->handle_, baton->callback, argc, argv);
NanCallback(NanNew(baton->callback)).Call(argc, argv);
} else {
const unsigned argc = 2;
Handle<Value> argv[argc] = {
Local<Value>::New(Null()),
CreateBufferInstance(reinterpret_cast<char*>(tr->data), tr->len)
NanNull(),
NanNewBufferHandle(reinterpret_cast<char*>(tr->data), tr->len)
};
PerformCallback(baton->reader->handle_, baton->callback, argc, argv);
NanCallback(NanNew(baton->callback)).Call(argc, argv);
}
// The callback is a permanent handle, so we have to dispose of it manually.
baton->callback.Dispose();
NanDisposePersistent(baton->callback);
delete [] ti->in_data;
delete ti;
delete [] tr->data;
@@ -611,37 +579,33 @@ void CardReader::DoControl(uv_work_t* req) {
baton->result = cr;
}
#if NODE_VERSION_AT_LEAST(0, 9, 4)
void CardReader::AfterControl(uv_work_t* req, int status) {
#else
void CardReader::AfterControl(uv_work_t* req) {
#endif
HandleScope scope;
NanScope();
Baton* baton = static_cast<Baton*>(req->data);
ControlInput *ci = static_cast<ControlInput*>(baton->input);
ControlResult *cr = static_cast<ControlResult*>(baton->result);
if (cr->result) {
Local<Value> err = Exception::Error(String::New(pcsc_stringify_error(cr->result)));
Local<Value> err = NanError(pcsc_stringify_error(cr->result));
// Prepare the parameters for the callback function.
const unsigned argc = 1;
Handle<Value> argv[argc] = { err };
PerformCallback(baton->reader->handle_, baton->callback, argc, argv);
NanCallback(NanNew(baton->callback)).Call(argc, argv);
} else {
const unsigned argc = 2;
Handle<Value> argv[argc] = {
Local<Value>::New(Null()),
Integer::New(cr->len)
NanNull(),
NanNew<Integer>(cr->len)
};
PerformCallback(baton->reader->handle_, baton->callback, argc, argv);
NanCallback(NanNew(baton->callback)).Call(argc, argv);
}
// The callback is a permanent handle, so we have to dispose of it manually.
baton->callback.Dispose();
NanDisposePersistent(baton->callback);
delete ci;
delete cr;
delete baton;
@@ -653,26 +617,7 @@ void CardReader::CloseCallback(uv_handle_t *handle) {
AsyncBaton* async_baton = static_cast<AsyncBaton*>(handle->data);
AsyncResult* ar = async_baton->async_result;
delete ar;
async_baton->callback.Dispose();
NanDisposePersistent(async_baton->callback);
SCardReleaseContext(async_baton->reader->m_status_card_context);
delete async_baton;
}
Handle<Value> CardReader::CreateBufferInstance(char* data, unsigned long size) {
if (size == 0) {
return Undefined();
}
// get Buffer from global scope.
Local<Object> global = Context::GetCurrent()->Global();
Local<Value> bv = global->Get(String::NewSymbol("Buffer"));
assert(bv->IsFunction());
Local<Function> b = Local<Function>::Cast(bv);
Handle<Value> argv[3] = {
Buffer::New(data, size)->handle_,
Integer::New(size),
Integer::New(0)
};
return b->NewInstance(3, argv);
}