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#include <node.h>
#include <node_buffer.h>
#include <req_wrap.h>
#include <handle_wrap.h>
#include <stream_wrap.h>
namespace node {
#define UNWRAP \
assert(!args.Holder().IsEmpty()); \
assert(args.Holder()->InternalFieldCount() > 0); \
TTYWrap* wrap = \
static_cast<TTYWrap*>(args.Holder()->GetPointerFromInternalField(0)); \
if (!wrap) { \
SetErrno(UV_EBADF); \
return scope.Close(Integer::New(-1)); \
}
using v8::Object;
using v8::Handle;
using v8::Local;
using v8::Persistent;
using v8::Value;
using v8::HandleScope;
using v8::FunctionTemplate;
using v8::String;
using v8::Function;
using v8::TryCatch;
using v8::Context;
using v8::Arguments;
using v8::Integer;
using v8::Undefined;
class TTYWrap : StreamWrap {
public:
static void Initialize(Handle<Object> target) {
StreamWrap::Initialize(target);
HandleScope scope;
Local<FunctionTemplate> t = FunctionTemplate::New(New);
t->SetClassName(String::NewSymbol("TTY"));
t->InstanceTemplate()->SetInternalFieldCount(1);
NODE_SET_PROTOTYPE_METHOD(t, "close", HandleWrap::Close);
NODE_SET_PROTOTYPE_METHOD(t, "readStart", StreamWrap::ReadStart);
NODE_SET_PROTOTYPE_METHOD(t, "readStop", StreamWrap::ReadStop);
NODE_SET_PROTOTYPE_METHOD(t, "write", StreamWrap::Write);
NODE_SET_PROTOTYPE_METHOD(t, "getWindowSize", TTYWrap::GetWindowSize);
NODE_SET_PROTOTYPE_METHOD(t, "setRawMode", SetRawMode);
NODE_SET_METHOD(target, "isTTY", IsTTY);
NODE_SET_METHOD(target, "guessHandleType", GuessHandleType);
target->Set(String::NewSymbol("TTY"), t->GetFunction());
}
private:
static Handle<Value> GuessHandleType(const Arguments& args) {
HandleScope scope;
int fd = args[0]->Int32Value();
assert(fd >= 0);
uv_handle_type t = uv_guess_handle(fd);
switch (t) {
case UV_TTY:
return String::New("TTY");
case UV_NAMED_PIPE:
return String::New("PIPE");
case UV_FILE:
return String::New("FILE");
default:
assert(0);
return v8::Undefined();
}
return uv_is_tty(fd) ? v8::True() : v8::False();
}
static Handle<Value> IsTTY(const Arguments& args) {
HandleScope scope;
int fd = args[0]->Int32Value();
assert(fd >= 0);
return uv_guess_handle(fd) == UV_TTY ? v8::True() : v8::False();
}
static Handle<Value> GetWindowSize(const Arguments& args) {
HandleScope scope;
UNWRAP
int width, height;
int r = uv_tty_get_winsize(&wrap->handle_, &width, &height);
if (r) {
SetErrno(uv_last_error(uv_default_loop()).code);
return v8::Undefined();
}
Local<v8::Array> a = v8::Array::New(2);
a->Set(0, Integer::New(width));
a->Set(1, Integer::New(height));
return scope.Close(a);
}
static Handle<Value> SetRawMode(const Arguments& args) {
HandleScope scope;
assert(!args.Holder().IsEmpty());
assert(args.Holder()->InternalFieldCount() > 0);
TTYWrap* wrap =
static_cast<TTYWrap*>(args.Holder()->GetPointerFromInternalField(0));
if (!wrap) {
SetErrno(UV_EBADF);
return scope.Close(Integer::New(-1));
}
int r = uv_tty_set_mode(&wrap->handle_, args[0]->IsTrue());
if (r) {
SetErrno(uv_last_error(uv_default_loop()).code);
}
return scope.Close(Integer::New(r));
}
static Handle<Value> New(const Arguments& args) {
HandleScope scope;
// This constructor should not be exposed to public javascript.
// Therefore we assert that we are not trying to call this as a
// normal function.
assert(args.IsConstructCall());
int fd = args[0]->Int32Value();
assert(fd >= 0);
TTYWrap* wrap = new TTYWrap(args.This(), fd);
assert(wrap);
wrap->UpdateWriteQueueSize();
return scope.Close(args.This());
}
TTYWrap(Handle<Object> object, int fd)
: StreamWrap(object, (uv_stream_t*)&handle_) {
uv_tty_init(uv_default_loop(), &handle_, fd);
}
uv_tty_t handle_;
};
} // namespace node
NODE_MODULE(node_tty_wrap, node::TTYWrap::Initialize);
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