// Copyright Joyent, Inc. and other Node contributors.

//

// Permission is hereby granted, free of charge, to any person obtaining a

// copy of this software and associated documentation files (the

// "Software"), to deal in the Software without restriction, including

// without limitation the rights to use, copy, modify, merge, publish,

// distribute, sublicense, and/or sell copies of the Software, and to permit

// persons to whom the Software is furnished to do so, subject to the

// following conditions:

//

// The above copyright notice and this permission notice shall be included

// in all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN

// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE

// USE OR OTHER DEALINGS IN THE SOFTWARE.

var assert = require('assert');

var inherits = require('util').inherits;

var net = require('net');

var TTY = process.binding('tty_wrap').TTY;

var isTTY = process.binding('tty_wrap').isTTY;

var util = require('util');

var errnoException = util._errnoException;

exports.isatty = function(fd) {

return isTTY(fd);

};

// backwards-compat

exports.setRawMode = util.deprecate(function(flag) {

if (!process.stdin.isTTY) {

throw new Error('can\'t set raw mode on non-tty');

}

process.stdin.setRawMode(flag);

}, 'tty.setRawMode: Use `process.stdin.setRawMode()` instead.');

function ReadStream(fd, options) {

}

inherits(ReadStream, net.Socket);

exports.ReadStream = ReadStream;

ReadStream.prototype.setRawMode = function(flag) {

};

function WriteStream(fd) {

}

inherits(WriteStream, net.Socket);

exports.WriteStream = WriteStream;

WriteStream.prototype.isTTY = true;

WriteStream.prototype._refreshSize = function() {

};

// backwards-compat

WriteStream.prototype.cursorTo = function(x, y) {

require('readline').cursorTo(this, x, y);

};

WriteStream.prototype.moveCursor = function(dx, dy) {

require('readline').moveCursor(this, dx, dy);

};

WriteStream.prototype.clearLine = function(dir) {

require('readline').clearLine(this, dir);

};

WriteStream.prototype.clearScreenDown = function() {

require('readline').clearScreenDown(this);

};

WriteStream.prototype.getWindowSize = function() {

return [this.columns, this.rows];

};