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