initial

index.js

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+module.exports = require('./lib/program');

lib/program.js

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+/**
+ * Modules
+ */
+
+var EventEmitter = require('events').EventEmitter;
+
+/**
+ * Program
+ */
+
+function Program(input, output) {
+  var self = this;
+
+  EventEmitter.call(this);
+
+  this.input = input || process.stdin;
+  this.output = output || process.stdout;
+
+  this.x = 1;
+  this.y = 1;
+
+  this.cols = this.output.columns || 1;
+  this.rows = this.output.rows || 1;
+
+  this.listen();
+}
+
+Program.prototype.__proto__ = EventEmitter.prototype;
+
+Program.prototype.listen = function() {
+  if (!this.input.isTTY || !this.output.isTTY) return;
+
+  var readline = require('readline')
+    , self = this;
+
+  this._raw = true;
+
+  this.input.setRawMode(true);
+
+  this.input.on('keypress', function(ch, key) {
+    key = key || 0;
+    if (key.ctrl && key.name === 'c') {
+      if (process.listeners('SIGINT').length) {
+        process.emit('SIGINT');
+      }
+      if (self.listeners('SIGINT').length) {
+        self.emit('SIGINT');
+      }
+      return;
+    }
+    self.emit('keypress', ch, key);
+  });
+
+  readline.emitKeypressEvents(this.input);
+
+  this.input.resume();
+
+  this.output.on('resize', function() {
+    self.cols = self.output.columns;
+    self.rows = self.output.rows;
+    self.emit('resize');
+  });
+};
+
+Program.prototype.receive = function(text, callback) {
+  var listeners = this.listeners('keypress')
+    , bak = listeners.slice();
+
+  if (!this._raw) {
+    throw new Error('Input must be raw.');
+  }
+
+  listeners.length = 0;
+
+  if (!callback) {
+    callback = text;
+    text = null;
+  }
+
+  this.input.once('data', function(data) {
+    listeners.push.apply(listeners, bak);
+    if (typeof data !== 'string') {
+      data = data.toString('utf8');
+    }
+    return callback(null, data);
+  });
+
+  if (text) this.echo(text);
+};
+
+Program.prototype.listChoices = function(list) {
+  var self = this;
+};
+
+Program.prototype.write =
+Program.prototype.echo = function(text, attr) {
+  if (attr) {
+    this.attr(attr, true);
+    this.echo(text);
+    this.attr(attr, false);
+    return;
+  }
+  return this.output.write(text);
+};
+
+Program.prototype.setX = function(x) {
+  return this.cursorPos(this.y, x);
+};
+
+Program.prototype.setY = function(y) {
+  return this.cursorPos(y, this.x);
+};
+
+Program.prototype.move = function(x, y) {
+  return this.cursorPos(y, x);
+};
+
+// NOTE: There are better ways to do rel movements.
+
+Program.prototype.rsetX = function(x) {
+  return this.cursorPos(this.y, this.x + x);
+};
+
+Program.prototype.rsetY = function(y) {
+  return this.cursorPos(this.y + y, this.x);
+};
+
+Program.prototype.rmove = function(x, y) {
+  return this.cursorPos(this.y + y, this.x + x);
+};
+
+/*
+Program.prototype.__defineGetter('x', function() {
+  return this._x || 1;
+});
+Program.prototype.__defineSetter__('x', function(x) {
+  this.cursorPos(x, this.y);
+  return this._x = x;
+});
+Program.prototype.__defineGetter('y', function() {
+  return this._y || 1;
+});
+Program.prototype.__defineSetter__('y', function(y) {
+  this.cursorPos(this.x, y);
+  return this._y = y;
+});
+*/
+
+/**
+ * Normal
+ */
+
+Program.prototype.nul = function() {
+  this.echo('\0');
+};
+
+Program.prototype.bell = function() {
+  this.echo('\x07');
+};
+
+Program.prototype.vtab = function() {
+  this.echo('\x0b');
+};
+
+Program.prototype.form = function() {
+  this.echo('\x0c');
+};
+
+Program.prototype.backspace = function() {
+  this.echo('\x08');
+};
+
+Program.prototype.tab = function() {
+  this.echo('\t');
+};
+
+Program.prototype.shiftOut = function() {
+  this.echo('\x0e');
+};
+
+Program.prototype.shiftIn = function() {
+  this.echo('\x0f');
+};
+
+Program.prototype.return = function() {
+  this.echo('\r');
+};
+
+Program.prototype.feed = function() {
+  this.echo('\n');
+};
+
+/**
+ * Esc
+ */
+
+// ESC D Index (IND is 0x84).
+Program.prototype.index = function() {
+  this.echo('\x1bD');
+};
+
+// ESC M Reverse Index (RI is 0x8d).
+Program.prototype.reverse =
+Program.prototype.reverseIndex = function() {
+  this.echo('\x1bM');
+};
+
+// ESC c Full Reset (RIS).
+Program.prototype.reset = function() {
+  this.echo('\x1bc');
+};
+
+// ESC H Tab Set (HTS is 0x88).
+Program.prototype.tabSet = function() {
+  this.echo('\x1bH');
+};
+
+Program.prototype.esc = function(code) {
+  this.echo('\x1b' + code);
+};
+
+/**
+ * CSI
+ */
+
+Program.prototype.csi = function(code) {
+  this.esc('[' + code);
+};
+
+// CSI Ps A
+// Cursor Up Ps Times (default = 1) (CUU).
+Program.prototype.up =
+Program.prototype.cursorUp = function(param) {
+  this.y -= param || 1;
+  this.echo('\x1b[' + (param || '') + 'A');
+};
+
+// CSI Ps B
+// Cursor Down Ps Times (default = 1) (CUD).
+Program.prototype.down =
+Program.prototype.cursorDown = function(param) {
+  this.y += param || 1;
+  this.echo('\x1b[' + (param || '') + 'B');
+};
+
+// CSI Ps C
+// Cursor Forward Ps Times (default = 1) (CUF).
+Program.prototype.forward =
+Program.prototype.cursorForward = function(param) {
+  this.x += param || 1;
+  this.echo('\x1b[' + (param || '') + 'C');
+};
+
+// CSI Ps D
+// Cursor Backward Ps Times (default = 1) (CUB).
+Program.prototype.back =
+Program.prototype.cursorBackward = function(param) {
+  this.x -= param || 1;
+  this.echo('\x1b[' + (param || '') + 'D');
+};
+
+// CSI Ps ; Ps H
+// Cursor Position [row;column] (default = [1,1]) (CUP).
+Program.prototype.pos =
+Program.prototype.cursorPos = function(row, col) {
+  this.x = col || 1;
+  this.y = row || 1;
+  this.echo('\x1b[' + (row || '1') + ';' + (col || '1') + 'H');
+};
+
+// CSI Ps J  Erase in Display (ED).
+//     Ps = 0  -> Erase Below (default).
+//     Ps = 1  -> Erase Above.
+//     Ps = 2  -> Erase All.
+//     Ps = 3  -> Erase Saved Lines (xterm).
+// CSI ? Ps J
+//   Erase in Display (DECSED).
+//     Ps = 0  -> Selective Erase Below (default).
+//     Ps = 1  -> Selective Erase Above.
+//     Ps = 2  -> Selective Erase All.
+Program.prototype.eraseInDisplay = function(param) {
+  switch (param) {
+    case 'above':
+      this.echo('\x1b[1J');
+      break;
+    case 'all':
+      this.echo('\x1b[2J');
+      break;
+    case 'saved':
+      this.echo('\x1b[3J');
+      break;
+    case 'below':
+    default:
+      this.echo('\x1b[J');
+      break;
+  }
+};
+
+Program.prototype.clear = function() {
+  return this.eraseInDisplay('all');
+};
+
+// CSI Ps K  Erase in Line (EL).
+//     Ps = 0  -> Erase to Right (default).
+//     Ps = 1  -> Erase to Left.
+//     Ps = 2  -> Erase All.
+// CSI ? Ps K
+//   Erase in Line (DECSEL).
+//     Ps = 0  -> Selective Erase to Right (default).
+//     Ps = 1  -> Selective Erase to Left.
+//     Ps = 2  -> Selective Erase All.
+Program.prototype.eraseInLine = function(param) {
+  switch (param) {
+    case 'left':
+      this.echo('\x1b[1K');
+      break;
+    case 'all':
+      this.echo('\x1b[2K');
+      break;
+    case 'right':
+    default:
+      this.echo('\x1b[K');
+      break;
+  }
+};
+
+// CSI Pm m  Character Attributes (SGR).
+//     Ps = 0  -> Normal (default).
+//     Ps = 1  -> Bold.
+//     Ps = 4  -> Underlined.
+//     Ps = 5  -> Blink (appears as Bold).
+//     Ps = 7  -> Inverse.
+//     Ps = 8  -> Invisible, i.e., hidden (VT300).
+//     Ps = 2 2  -> Normal (neither bold nor faint).
+//     Ps = 2 4  -> Not underlined.
+//     Ps = 2 5  -> Steady (not blinking).
+//     Ps = 2 7  -> Positive (not inverse).
+//     Ps = 2 8  -> Visible, i.e., not hidden (VT300).
+//     Ps = 3 0  -> Set foreground color to Black.
+//     Ps = 3 1  -> Set foreground color to Red.
+//     Ps = 3 2  -> Set foreground color to Green.
+//     Ps = 3 3  -> Set foreground color to Yellow.
+//     Ps = 3 4  -> Set foreground color to Blue.
+//     Ps = 3 5  -> Set foreground color to Magenta.
+//     Ps = 3 6  -> Set foreground color to Cyan.
+//     Ps = 3 7  -> Set foreground color to White.
+//     Ps = 3 9  -> Set foreground color to default (original).
+//     Ps = 4 0  -> Set background color to Black.
+//     Ps = 4 1  -> Set background color to Red.
+//     Ps = 4 2  -> Set background color to Green.
+//     Ps = 4 3  -> Set background color to Yellow.
+//     Ps = 4 4  -> Set background color to Blue.
+//     Ps = 4 5  -> Set background color to Magenta.
+//     Ps = 4 6  -> Set background color to Cyan.
+//     Ps = 4 7  -> Set background color to White.
+//     Ps = 4 9  -> Set background color to default (original).
+
+//   If 16-color support is compiled, the following apply.  Assume
+//   that xterm's resources are set so that the ISO color codes are
+//   the first 8 of a set of 16.  Then the aixterm colors are the
+//   bright versions of the ISO colors:
+//     Ps = 9 0  -> Set foreground color to Black.
+//     Ps = 9 1  -> Set foreground color to Red.
+//     Ps = 9 2  -> Set foreground color to Green.
+//     Ps = 9 3  -> Set foreground color to Yellow.
+//     Ps = 9 4  -> Set foreground color to Blue.
+//     Ps = 9 5  -> Set foreground color to Magenta.
+//     Ps = 9 6  -> Set foreground color to Cyan.
+//     Ps = 9 7  -> Set foreground color to White.
+//     Ps = 1 0 0  -> Set background color to Black.
+//     Ps = 1 0 1  -> Set background color to Red.
+//     Ps = 1 0 2  -> Set background color to Green.
+//     Ps = 1 0 3  -> Set background color to Yellow.
+//     Ps = 1 0 4  -> Set background color to Blue.
+//     Ps = 1 0 5  -> Set background color to Magenta.
+//     Ps = 1 0 6  -> Set background color to Cyan.
+//     Ps = 1 0 7  -> Set background color to White.
+
+//   If xterm is compiled with the 16-color support disabled, it
+//   supports the following, from rxvt:
+//     Ps = 1 0 0  -> Set foreground and background color to
+//     default.
+
+//   If 88- or 256-color support is compiled, the following apply.
+//     Ps = 3 8  ; 5  ; Ps -> Set foreground color to the second
+//     Ps.
+//     Ps = 4 8  ; 5  ; Ps -> Set background color to the second
+//     Ps.
+Program.prototype.attr =
+Program.prototype.charAttributes = function(param, val) {
+  switch (param) {
+    case 'normal':
+      this.echo('\x1b[m');
+      break;
+    case 'bold':
+      if (val === false) {
+        this.echo('\x1b[22m');
+      } else {
+        this.echo('\x1b[1m');
+      }
+      break;
+    case 'underlined':
+      if (val === false) {
+        this.echo('\x1b[24m');
+      } else {
+        this.echo('\x1b[4m');
+      }
+      break;
+    case 'blink':
+      if (val === false) {
+        this.echo('\x1b[25m');
+      } else {
+        this.echo('\x1b[5m');
+      }
+      break;
+    case 'inverse':
+      if (val === false) {
+        this.echo('\x1b[27m');
+      } else {
+        this.echo('\x1b[7m');
+      }
+      break;
+    case 'invisible':
+      if (val === false) {
+        this.echo('\x1b[28m');
+      } else {
+        this.echo('\x1b[8m');
+      }
+      break;
+    case 'invisible':
+      if (val === false) {
+        this.echo('\x1b[28m');
+      } else {
+        this.echo('\x1b[8m');
+      }
+      break;
+
+    case 'black fg':
+      if (val === false) {
+        this.echo('\x1b[39m');
+        break;
+      }
+      this.echo('\x1b[30m');
+      break;
+    case 'red fg':
+      if (val === false) {
+        this.echo('\x1b[39m');
+        break;
+      }
+      this.echo('\x1b[31m');
+      break;
+    case 'green fg':
+      if (val === false) {
+        this.echo('\x1b[39m');
+        break;
+      }
+      this.echo('\x1b[32m');
+      break;
+    case 'yellow fg':
+      if (val === false) {
+        this.echo('\x1b[39m');
+        break;
+      }
+      this.echo('\x1b[33m');
+      break;
+    case 'blue fg':
+      if (val === false) {
+        this.echo('\x1b[39m');
+        break;
+      }
+      this.echo('\x1b[34m');
+      break;
+    case 'magenta fg':
+      if (val === false) {
+        this.echo('\x1b[39m');
+        break;
+      }
+      this.echo('\x1b[35m');
+      break;
+    case 'cyan fg':
+      if (val === false) {
+        this.echo('\x1b[39m');
+        break;
+      }
+      this.echo('\x1b[36m');
+      break;
+    case 'white fg':
+      if (val === false) {
+        this.echo('\x1b[39m');
+        break;
+      }
+      this.echo('\x1b[37m');
+      break;
+    case 'default fg':
+      this.echo('\x1b[39m');
+      break;
+
+    case 'black bg':
+      if (val === false) {
+        this.echo('\x1b[49m');
+        break;
+      }
+      this.echo('\x1b[40m');
+      break;
+    case 'red bg':
+      if (val === false) {
+        this.echo('\x1b[49m');
+        break;
+      }
+      this.echo('\x1b[41m');
+      break;
+    case 'green bg':
+      if (val === false) {
+        this.echo('\x1b[49m');
+        break;
+      }
+      this.echo('\x1b[42m');
+      break;
+    case 'yellow bg':
+      if (val === false) {
+        this.echo('\x1b[49m');
+        break;
+      }
+      this.echo('\x1b[43m');
+      break;
+    case 'blue bg':
+      if (val === false) {
+        this.echo('\x1b[49m');
+        break;
+      }
+      this.echo('\x1b[44m');
+      break;
+    case 'magenta bg':
+      if (val === false) {
+        this.echo('\x1b[49m');
+        break;
+      }
+      this.echo('\x1b[45m');
+      break;
+    case 'cyan bg':
+      if (val === false) {
+        this.echo('\x1b[49m');
+        break;
+      }
+      this.echo('\x1b[46m');
+      break;
+    case 'white bg':
+      if (val === false) {
+        this.echo('\x1b[49m');
+        break;
+      }
+      this.echo('\x1b[47m');
+      break;
+    case 'default bg':
+      this.echo('\x1b[49m');
+      break;
+    default:
+      this.echo('\x1b[' + param + 'm');
+      break;
+  }
+};
+
+Program.prototype.fg =
+Program.prototype.setForeground = function(color, val) {
+  return this.attr(color + ' fg', val);
+};
+
+Program.prototype.bg =
+Program.prototype.setBackground = function(color, val) {
+  return this.attr(color + ' bg', val);
+};
+
+// CSI Ps n  Device Status Report (DSR).
+//     Ps = 5  -> Status Report.  Result (``OK'') is
+//   CSI 0 n
+//     Ps = 6  -> Report Cursor Position (CPR) [row;column].
+//   Result is
+//   CSI r ; c R
+// CSI ? Ps n
+//   Device Status Report (DSR, DEC-specific).
+//     Ps = 6  -> Report Cursor Position (CPR) [row;column] as CSI
+//     ? r ; c R (assumes page is zero).
+//     Ps = 1 5  -> Report Printer status as CSI ? 1 0  n  (ready).
+//     or CSI ? 1 1  n  (not ready).
+//     Ps = 2 5  -> Report UDK status as CSI ? 2 0  n  (unlocked)
+//     or CSI ? 2 1  n  (locked).
+//     Ps = 2 6  -> Report Keyboard status as
+//   CSI ? 2 7  ;  1  ;  0  ;  0  n  (North American).
+//   The last two parameters apply to VT400 & up, and denote key-
+//   board ready and LK01 respectively.
+//     Ps = 5 3  -> Report Locator status as
+//   CSI ? 5 3  n  Locator available, if compiled-in, or
+//   CSI ? 5 0  n  No Locator, if not.
+Program.prototype.deviceStatus = function(params) {
+};
+
+/**
+ * Additions
+ */
+
+Program.prototype.isArray = function(obj) {
+  return Object.prototype.toString.call(obj) === '[object Array]';
+};
+
+// CSI Ps @
+// Insert Ps (Blank) Character(s) (default = 1) (ICH).
+Program.prototype.insertChars = function(param) {
+  this.echo('\x1b[' + (param || '') + '@');
+};
+
+// CSI Ps E
+// Cursor Next Line Ps Times (default = 1) (CNL).
+// same as CSI Ps B ?
+Program.prototype.cursorNextLine = function(param) {
+  this.y += param || 1;
+  this.echo('\x1b[' + (param || '') + 'E');
+};
+
+// CSI Ps F
+// Cursor Preceding Line Ps Times (default = 1) (CNL).
+// reuse CSI Ps A ?
+Program.prototype.cursorPrecedingLine = function(param) {
+  this.y -= param || 1;
+  this.echo('\x1b[' + (param || '') + 'F');
+};
+
+// CSI Ps G
+// Cursor Character Absolute  [column] (default = [row,1]) (CHA).
+Program.prototype.cursorCharAbsolute = function(param) {
+  this.x = param || 1;
+  this.y = 1;
+  this.echo('\x1b[' + (param || '') + 'G');
+};
+
+// CSI Ps L
+// Insert Ps Line(s) (default = 1) (IL).
+Program.prototype.insertLines = function(param) {
+  this.echo('\x1b[' + (param || '') + 'L');
+};
+
+// CSI Ps M
+// Delete Ps Line(s) (default = 1) (DL).
+Program.prototype.deleteLines = function(param) {
+  this.echo('\x1b[' + (param || '') + 'M');
+};
+
+// CSI Ps P
+// Delete Ps Character(s) (default = 1) (DCH).
+Program.prototype.deleteChars = function(param) {
+  this.echo('\x1b[' + (param || '') + 'P');
+};
+
+// CSI Ps X
+// Erase Ps Character(s) (default = 1) (ECH).
+Program.prototype.eraseChars = function(param) {
+  this.echo('\x1b[' + (param || '') + 'X');
+};
+
+// CSI Pm `  Character Position Absolute
+//   [column] (default = [row,1]) (HPA).
+Program.prototype.charPosAbsolute = function() {
+  var param = Array.prototype.slice.call(arguments).join(';');
+  this.echo('\x1b[' + (param || '') + '`');
+};
+
+// 141 61 a * HPR -
+// Horizontal Position Relative
+// reuse CSI Ps C ?
+Program.prototype.HPositionRelative = function(param) {
+  this.echo('\x1b[' + (param || '') + 'a');
+};
+
+// CSI Ps c  Send Device Attributes (Primary DA).
+//     Ps = 0  or omitted -> request attributes from terminal.  The
+//     response depends on the decTerminalID resource setting.
+//     -> CSI ? 1 ; 2 c  (``VT100 with Advanced Video Option'')
+//     -> CSI ? 1 ; 0 c  (``VT101 with No Options'')
+//     -> CSI ? 6 c  (``VT102'')
+//     -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c  (``VT220'')
+//   The VT100-style response parameters do not mean anything by
+//   themselves.  VT220 parameters do, telling the host what fea-
+//   tures the terminal supports:
+//     Ps = 1  -> 132-columns.
+//     Ps = 2  -> Printer.
+//     Ps = 6  -> Selective erase.
+//     Ps = 8  -> User-defined keys.
+//     Ps = 9  -> National replacement character sets.
+//     Ps = 1 5  -> Technical characters.
+//     Ps = 2 2  -> ANSI color, e.g., VT525.
+//     Ps = 2 9  -> ANSI text locator (i.e., DEC Locator mode).
+// CSI > Ps c
+//   Send Device Attributes (Secondary DA).
+//     Ps = 0  or omitted -> request the terminal's identification
+//     code.  The response depends on the decTerminalID resource set-
+//     ting.  It should apply only to VT220 and up, but xterm extends
+//     this to VT100.
+//     -> CSI  > Pp ; Pv ; Pc c
+//   where Pp denotes the terminal type
+//     Pp = 0  -> ``VT100''.
+//     Pp = 1  -> ``VT220''.
+//   and Pv is the firmware version (for xterm, this was originally
+//   the XFree86 patch number, starting with 95).  In a DEC termi-
+//   nal, Pc indicates the ROM cartridge registration number and is
+//   always zero.
+// More information:
+//   xterm/charproc.c - line 2012, for more information.
+//   vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
+Program.prototype.sendDeviceAttributes = function(param, callback) {
+  return this.receive('\x1b[' + (param || '') + 'c', function(err, response) {
+    if (err) return callback(err);
+    if (response === '\x1b[?1;2c') {
+      return callback(null, 'VT100 with Advanced Video Option');
+    }
+    return callback(null, 'Unknown');
+  });
+};
+
+// CSI Pm d
+// Line Position Absolute  [row] (default = [1,column]) (VPA).
+Program.prototype.linePosAbsolute = function() {
+  var param = Array.prototype.slice.call(arguments).join(';');
+  this.echo('\x1b[' + (param || '') + 'd');
+};
+
+// 145 65 e * VPR - Vertical Position Relative
+// reuse CSI Ps B ?
+Program.prototype.VPositionRelative = function(param) {
+  this.echo('\x1b[' + (param || '') + 'e');
+};
+
+// CSI Ps ; Ps f
+//   Horizontal and Vertical Position [row;column] (default =
+//   [1,1]) (HVP).
+Program.prototype.HVPosition = function(row, col) {
+  this.echo('\x1b[' + (row || '1') + ';' + (col || '1') + 'f');
+};
+
+// CSI Pm h  Set Mode (SM).
+//     Ps = 2  -> Keyboard Action Mode (AM).
+//     Ps = 4  -> Insert Mode (IRM).
+//     Ps = 1 2  -> Send/receive (SRM).
+//     Ps = 2 0  -> Automatic Newline (LNM).
+// CSI ? Pm h
+//   DEC Private Mode Set (DECSET).
+//     Ps = 1  -> Application Cursor Keys (DECCKM).
+//     Ps = 2  -> Designate USASCII for character sets G0-G3
+//     (DECANM), and set VT100 mode.
+//     Ps = 3  -> 132 Column Mode (DECCOLM).
+//     Ps = 4  -> Smooth (Slow) Scroll (DECSCLM).
+//     Ps = 5  -> Reverse Video (DECSCNM).
+//     Ps = 6  -> Origin Mode (DECOM).
+//     Ps = 7  -> Wraparound Mode (DECAWM).
+//     Ps = 8  -> Auto-repeat Keys (DECARM).
+//     Ps = 9  -> Send Mouse X & Y on button press.  See the sec-
+//     tion Mouse Tracking.
+//     Ps = 1 0  -> Show toolbar (rxvt).
+//     Ps = 1 2  -> Start Blinking Cursor (att610).
+//     Ps = 1 8  -> Print form feed (DECPFF).
+//     Ps = 1 9  -> Set print extent to full screen (DECPEX).
+//     Ps = 2 5  -> Show Cursor (DECTCEM).
+//     Ps = 3 0  -> Show scrollbar (rxvt).
+//     Ps = 3 5  -> Enable font-shifting functions (rxvt).
+//     Ps = 3 8  -> Enter Tektronix Mode (DECTEK).
+//     Ps = 4 0  -> Allow 80 -> 132 Mode.
+//     Ps = 4 1  -> more(1) fix (see curses resource).
+//     Ps = 4 2  -> Enable Nation Replacement Character sets (DECN-
+//     RCM).
+//     Ps = 4 4  -> Turn On Margin Bell.
+//     Ps = 4 5  -> Reverse-wraparound Mode.
+//     Ps = 4 6  -> Start Logging.  This is normally disabled by a
+//     compile-time option.
+//     Ps = 4 7  -> Use Alternate Screen Buffer.  (This may be dis-
+//     abled by the titeInhibit resource).
+//     Ps = 6 6  -> Application keypad (DECNKM).
+//     Ps = 6 7  -> Backarrow key sends backspace (DECBKM).
+//     Ps = 1 0 0 0  -> Send Mouse X & Y on button press and
+//     release.  See the section Mouse Tracking.
+//     Ps = 1 0 0 1  -> Use Hilite Mouse Tracking.
+//     Ps = 1 0 0 2  -> Use Cell Motion Mouse Tracking.
+//     Ps = 1 0 0 3  -> Use All Motion Mouse Tracking.
+//     Ps = 1 0 0 4  -> Send FocusIn/FocusOut events.
+//     Ps = 1 0 0 5  -> Enable Extended Mouse Mode.
+//     Ps = 1 0 1 0  -> Scroll to bottom on tty output (rxvt).
+//     Ps = 1 0 1 1  -> Scroll to bottom on key press (rxvt).
+//     Ps = 1 0 3 4  -> Interpret "meta" key, sets eighth bit.
+//     (enables the eightBitInput resource).
+//     Ps = 1 0 3 5  -> Enable special modifiers for Alt and Num-
+//     Lock keys.  (This enables the numLock resource).
+//     Ps = 1 0 3 6  -> Send ESC   when Meta modifies a key.  (This
+//     enables the metaSendsEscape resource).
+//     Ps = 1 0 3 7  -> Send DEL from the editing-keypad Delete
+//     key.
+//     Ps = 1 0 3 9  -> Send ESC  when Alt modifies a key.  (This
+//     enables the altSendsEscape resource).
+//     Ps = 1 0 4 0  -> Keep selection even if not highlighted.
+//     (This enables the keepSelection resource).
+//     Ps = 1 0 4 1  -> Use the CLIPBOARD selection.  (This enables
+//     the selectToClipboard resource).
+//     Ps = 1 0 4 2  -> Enable Urgency window manager hint when
+//     Control-G is received.  (This enables the bellIsUrgent
+//     resource).
+//     Ps = 1 0 4 3  -> Enable raising of the window when Control-G
+//     is received.  (enables the popOnBell resource).
+//     Ps = 1 0 4 7  -> Use Alternate Screen Buffer.  (This may be
+//     disabled by the titeInhibit resource).
+//     Ps = 1 0 4 8  -> Save cursor as in DECSC.  (This may be dis-
+//     abled by the titeInhibit resource).
+//     Ps = 1 0 4 9  -> Save cursor as in DECSC and use Alternate
+//     Screen Buffer, clearing it first.  (This may be disabled by
+//     the titeInhibit resource).  This combines the effects of the 1
+//     0 4 7  and 1 0 4 8  modes.  Use this with terminfo-based
+//     applications rather than the 4 7  mode.
+//     Ps = 1 0 5 0  -> Set terminfo/termcap function-key mode.
+//     Ps = 1 0 5 1  -> Set Sun function-key mode.
+//     Ps = 1 0 5 2  -> Set HP function-key mode.
+//     Ps = 1 0 5 3  -> Set SCO function-key mode.
+//     Ps = 1 0 6 0  -> Set legacy keyboard emulation (X11R6).
+//     Ps = 1 0 6 1  -> Set VT220 keyboard emulation.
+//     Ps = 2 0 0 4  -> Set bracketed paste mode.
+// Modes:
+//   http://vt100.net/docs/vt220-rm/chapter4.html
+Program.prototype.setMode = function() {
+  var param = Array.prototype.slice.call(arguments).join(';');
+  //if (private) {
+  //  return this.echo('\x1b[?' + (param || '') + 'h');
+  //}
+  this.echo('\x1b[' + (param || '') + 'h');
+};
+
+Program.prototype.showCursor = function() {
+  return this.setMode('?25');
+};
+
+Program.prototype.alternateBuffer = function() {
+  //return this.setMode('?47');
+  //return this.setMode('?1047');
+  return this.setMode('?1049');
+};
+
+// CSI Pm l  Reset Mode (RM).
+//     Ps = 2  -> Keyboard Action Mode (AM).
+//     Ps = 4  -> Replace Mode (IRM).
+//     Ps = 1 2  -> Send/receive (SRM).
+//     Ps = 2 0  -> Normal Linefeed (LNM).
+// CSI ? Pm l
+//   DEC Private Mode Reset (DECRST).
+//     Ps = 1  -> Normal Cursor Keys (DECCKM).
+//     Ps = 2  -> Designate VT52 mode (DECANM).
+//     Ps = 3  -> 80 Column Mode (DECCOLM).
+//     Ps = 4  -> Jump (Fast) Scroll (DECSCLM).
+//     Ps = 5  -> Normal Video (DECSCNM).
+//     Ps = 6  -> Normal Cursor Mode (DECOM).
+//     Ps = 7  -> No Wraparound Mode (DECAWM).
+//     Ps = 8  -> No Auto-repeat Keys (DECARM).
+//     Ps = 9  -> Don't send Mouse X & Y on button press.
+//     Ps = 1 0  -> Hide toolbar (rxvt).
+//     Ps = 1 2  -> Stop Blinking Cursor (att610).
+//     Ps = 1 8  -> Don't print form feed (DECPFF).
+//     Ps = 1 9  -> Limit print to scrolling region (DECPEX).
+//     Ps = 2 5  -> Hide Cursor (DECTCEM).
+//     Ps = 3 0  -> Don't show scrollbar (rxvt).
+//     Ps = 3 5  -> Disable font-shifting functions (rxvt).
+//     Ps = 4 0  -> Disallow 80 -> 132 Mode.
+//     Ps = 4 1  -> No more(1) fix (see curses resource).
+//     Ps = 4 2  -> Disable Nation Replacement Character sets (DEC-
+//     NRCM).
+//     Ps = 4 4  -> Turn Off Margin Bell.
+//     Ps = 4 5  -> No Reverse-wraparound Mode.
+//     Ps = 4 6  -> Stop Logging.  (This is normally disabled by a
+//     compile-time option).
+//     Ps = 4 7  -> Use Normal Screen Buffer.
+//     Ps = 6 6  -> Numeric keypad (DECNKM).
+//     Ps = 6 7  -> Backarrow key sends delete (DECBKM).
+//     Ps = 1 0 0 0  -> Don't send Mouse X & Y on button press and
+//     release.  See the section Mouse Tracking.
+//     Ps = 1 0 0 1  -> Don't use Hilite Mouse Tracking.
+//     Ps = 1 0 0 2  -> Don't use Cell Motion Mouse Tracking.
+//     Ps = 1 0 0 3  -> Don't use All Motion Mouse Tracking.
+//     Ps = 1 0 0 4  -> Don't send FocusIn/FocusOut events.
+//     Ps = 1 0 0 5  -> Disable Extended Mouse Mode.
+//     Ps = 1 0 1 0  -> Don't scroll to bottom on tty output
+//     (rxvt).
+//     Ps = 1 0 1 1  -> Don't scroll to bottom on key press (rxvt).
+//     Ps = 1 0 3 4  -> Don't interpret "meta" key.  (This disables
+//     the eightBitInput resource).
+//     Ps = 1 0 3 5  -> Disable special modifiers for Alt and Num-
+//     Lock keys.  (This disables the numLock resource).
+//     Ps = 1 0 3 6  -> Don't send ESC  when Meta modifies a key.
+//     (This disables the metaSendsEscape resource).
+//     Ps = 1 0 3 7  -> Send VT220 Remove from the editing-keypad
+//     Delete key.
+//     Ps = 1 0 3 9  -> Don't send ESC  when Alt modifies a key.
+//     (This disables the altSendsEscape resource).
+//     Ps = 1 0 4 0  -> Do not keep selection when not highlighted.
+//     (This disables the keepSelection resource).
+//     Ps = 1 0 4 1  -> Use the PRIMARY selection.  (This disables
+//     the selectToClipboard resource).
+//     Ps = 1 0 4 2  -> Disable Urgency window manager hint when
+//     Control-G is received.  (This disables the bellIsUrgent
+//     resource).
+//     Ps = 1 0 4 3  -> Disable raising of the window when Control-
+//     G is received.  (This disables the popOnBell resource).
+//     Ps = 1 0 4 7  -> Use Normal Screen Buffer, clearing screen
+//     first if in the Alternate Screen.  (This may be disabled by
+//     the titeInhibit resource).
+//     Ps = 1 0 4 8  -> Restore cursor as in DECRC.  (This may be
+//     disabled by the titeInhibit resource).
+//     Ps = 1 0 4 9  -> Use Normal Screen Buffer and restore cursor
+//     as in DECRC.  (This may be disabled by the titeInhibit
+//     resource).  This combines the effects of the 1 0 4 7  and 1 0
+//     4 8  modes.  Use this with terminfo-based applications rather
+//     than the 4 7  mode.
+//     Ps = 1 0 5 0  -> Reset terminfo/termcap function-key mode.
+//     Ps = 1 0 5 1  -> Reset Sun function-key mode.
+//     Ps = 1 0 5 2  -> Reset HP function-key mode.
+//     Ps = 1 0 5 3  -> Reset SCO function-key mode.
+//     Ps = 1 0 6 0  -> Reset legacy keyboard emulation (X11R6).
+//     Ps = 1 0 6 1  -> Reset keyboard emulation to Sun/PC style.
+//     Ps = 2 0 0 4  -> Reset bracketed paste mode.
+Program.prototype.resetMode = function() {
+  var param = Array.prototype.slice.call(arguments).join(';');
+  //if (private) {
+  //  return this.echo('\x1b[?' + (param || '') + 'l');
+  //}
+  this.echo('\x1b[' + (param || '') + 'l');
+};
+
+Program.prototype.hideCursor = function() {
+  return this.resetMode('?25');
+};
+
+Program.prototype.normalBuffer = function() {
+  //return this.resetMode('?47');
+  //return this.resetMode('?1047');
+  return this.resetMode('?1049');
+};
+
+// CSI Ps ; Ps r
+//   Set Scrolling Region [top;bottom] (default = full size of win-
+//   dow) (DECSTBM).
+// CSI ? Pm r
+Program.prototype.setScrollRegion = function(top, bottom) {
+  this.echo('\x1b[' + (top || 1) + ';' + (bottom || this.rows) + 'r');
+  this.scrollTop = (top || 1) - 1;
+  this.scrollBottom = (bottom || this.rows) - 1;
+  this.x = 0;
+  this.y = 0;
+};
+
+// CSI s
+//   Save cursor (ANSI.SYS).
+Program.prototype.saveCursor = function() {
+  this.echo('\x1b[s');
+  this.savedX = this.x;
+  this.savedY = this.y;
+};
+
+// CSI u
+//   Restore cursor (ANSI.SYS).
+Program.prototype.restoreCursor = function() {
+  this.echo('\x1b[u');
+  this.x = this.savedX || 0;
+  this.y = this.savedY || 0;
+};
+
+/**
+ * Expose
+ */
+
+module.exports = Program;

package.json

@@ -0,0 +1,13 @@
+{
+  "name": "blessed",
+  "description": "A curses-like library for node.js.",
+  "author": "Christopher Jeffrey",
+  "version": "0.0.1",
+  "main": "./lib/program.js",
+  "repository": "git://github.com/chjj/blessed.git",
+  "homepage": "https://github.com/chjj/blessed",
+  "bugs": { "url": "http://github.com/chjj/blessed/issues" },
+  "keywords": ["curses", "tui"],
+  "tags": ["curses", "tui"],
+  "scripts": { "test": "node test", "bench": "node test --bench" }
+}