path: root/vendor/assets/javascripts/xterm/xterm.js

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Terminal = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
/**
 * xterm.js: xterm, in the browser
 * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)
 */

/**
 * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend
 * events, displaying the in-progress composition to the UI and forwarding the final composition
 * to the handler.
 * @param {HTMLTextAreaElement} textarea The textarea that xterm uses for input.
 * @param {HTMLElement} compositionView The element to display the in-progress composition in.
 * @param {Terminal} terminal The Terminal to forward the finished composition to.
 */
function CompositionHelper(textarea, compositionView, terminal) {
  this.textarea = textarea;
  this.compositionView = compositionView;
  this.terminal = terminal;

  // Whether input composition is currently happening, eg. via a mobile keyboard, speech input
  // or IME. This variable determines whether the compositionText should be displayed on the UI.
  this.isComposing = false;

  // The input currently being composed, eg. via a mobile keyboard, speech input or IME.
  this.compositionText = null;

  // The position within the input textarea's value of the current composition.
  this.compositionPosition = { start: null, end: null };

  // Whether a composition is in the process of being sent, setting this to false will cancel
  // any in-progress composition.
  this.isSendingComposition = false;
}

/**
 * Handles the compositionstart event, activating the composition view.
 */
CompositionHelper.prototype.compositionstart = function () {
  this.isComposing = true;
  this.compositionPosition.start = this.textarea.value.length;
  this.compositionView.textContent = '';
  this.compositionView.classList.add('active');
};

/**
 * Handles the compositionupdate event, updating the composition view.
 * @param {CompositionEvent} ev The event.
 */
CompositionHelper.prototype.compositionupdate = function (ev) {
  this.compositionView.textContent = ev.data;
  this.updateCompositionElements();
  var self = this;
  setTimeout(function () {
    self.compositionPosition.end = self.textarea.value.length;
  }, 0);
};

/**
 * Handles the compositionend event, hiding the composition view and sending the composition to
 * the handler.
 */
CompositionHelper.prototype.compositionend = function () {
  this.finalizeComposition(true);
};

/**
 * Handles the keydown event, routing any necessary events to the CompositionHelper functions.
 * @return Whether the Terminal should continue processing the keydown event.
 */
CompositionHelper.prototype.keydown = function (ev) {
  if (this.isComposing || this.isSendingComposition) {
    if (ev.keyCode === 229) {
      // Continue composing if the keyCode is the "composition character"
      return false;
    } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
      // Continue composing if the keyCode is a modifier key
      return false;
    } else {
      // Finish composition immediately. This is mainly here for the case where enter is
      // pressed and the handler needs to be triggered before the command is executed.
      this.finalizeComposition(false);
    }
  }

  if (ev.keyCode === 229) {
    // If the "composition character" is used but gets to this point it means a non-composition
    // character (eg. numbers and punctuation) was pressed when the IME was active.
    this.handleAnyTextareaChanges();
    return false;
  }

  return true;
};

/**
 * Finalizes the composition, resuming regular input actions. This is called when a composition
 * is ending.
 * @param {boolean} waitForPropogation Whether to wait for events to propogate before sending
 *   the input. This should be false if a non-composition keystroke is entered before the
 *   compositionend event is triggered, such as enter, so that the composition is send before
 *   the command is executed.
 */
CompositionHelper.prototype.finalizeComposition = function (waitForPropogation) {
  this.compositionView.classList.remove('active');
  this.isComposing = false;
  this.clearTextareaPosition();

  if (!waitForPropogation) {
    // Cancel any delayed composition send requests and send the input immediately.
    this.isSendingComposition = false;
    var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);
    this.terminal.handler(input);
  } else {
    // Make a deep copy of the composition position here as a new compositionstart event may
    // fire before the setTimeout executes.
    var currentCompositionPosition = {
      start: this.compositionPosition.start,
      end: this.compositionPosition.end
    };

    // Since composition* events happen before the changes take place in the textarea on most
    // browsers, use a setTimeout with 0ms time to allow the native compositionend event to
    // complete. This ensures the correct character is retrieved, this solution was used
    // because:
    // - The compositionend event's data property is unreliable, at least on Chromium
    // - The last compositionupdate event's data property does not always accurately describe
    //   the character, a counter example being Korean where an ending consonsant can move to
    //   the following character if the following input is a vowel.
    var self = this;
    this.isSendingComposition = true;
    setTimeout(function () {
      // Ensure that the input has not already been sent
      if (self.isSendingComposition) {
        self.isSendingComposition = false;
        var input;
        if (self.isComposing) {
          // Use the end position to get the string if a new composition has started.
          input = self.textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);
        } else {
          // Don't use the end position here in order to pick up any characters after the
          // composition has finished, for example when typing a non-composition character
          // (eg. 2) after a composition character.
          input = self.textarea.value.substring(currentCompositionPosition.start);
        }
        self.terminal.handler(input);
      }
    }, 0);
  }
};

/**
 * Apply any changes made to the textarea after the current event chain is allowed to complete.
 * This should be called when not currently composing but a keydown event with the "composition
 * character" (229) is triggered, in order to allow non-composition text to be entered when an
 * IME is active.
 */
CompositionHelper.prototype.handleAnyTextareaChanges = function () {
  var oldValue = this.textarea.value;
  var self = this;
  setTimeout(function () {
    // Ignore if a composition has started since the timeout
    if (!self.isComposing) {
      var newValue = self.textarea.value;
      var diff = newValue.replace(oldValue, '');
      if (diff.length > 0) {
        self.terminal.handler(diff);
      }
    }
  }, 0);
};

/**
 * Positions the composition view on top of the cursor and the textarea just below it (so the
 * IME helper dialog is positioned correctly).
 */
CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) {
  if (!this.isComposing) {
    return;
  }
  var cursor = this.terminal.element.querySelector('.terminal-cursor');
  if (cursor) {
    // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within
    // the .xterm element.
    var xtermRows = this.terminal.element.querySelector('.xterm-rows');
    var cursorTop = xtermRows.offsetTop + cursor.offsetTop;

    this.compositionView.style.left = cursor.offsetLeft + 'px';
    this.compositionView.style.top = cursorTop + 'px';
    this.compositionView.style.height = cursor.offsetHeight + 'px';
    this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';
    // Sync the textarea to the exact position of the composition view so the IME knows where the
    // text is.
    var compositionViewBounds = this.compositionView.getBoundingClientRect();
    this.textarea.style.left = cursor.offsetLeft + 'px';
    this.textarea.style.top = cursorTop + 'px';
    this.textarea.style.width = compositionViewBounds.width + 'px';
    this.textarea.style.height = compositionViewBounds.height + 'px';
    this.textarea.style.lineHeight = compositionViewBounds.height + 'px';
  }
  if (!dontRecurse) {
    setTimeout(this.updateCompositionElements.bind(this, true), 0);
  }
};

/**
 * Clears the textarea's position so that the cursor does not blink on IE.
 * @private
 */
CompositionHelper.prototype.clearTextareaPosition = function () {
  this.textarea.style.left = '';
  this.textarea.style.top = '';
};

exports.CompositionHelper = CompositionHelper;

},{}],2:[function(_dereq_,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
/**
 * xterm.js: xterm, in the browser
 * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)
 */

function EventEmitter() {
  this._events = this._events || {};
}

EventEmitter.prototype.addListener = function (type, listener) {
  this._events[type] = this._events[type] || [];
  this._events[type].push(listener);
};

EventEmitter.prototype.on = EventEmitter.prototype.addListener;

EventEmitter.prototype.removeListener = function (type, listener) {
  if (!this._events[type]) return;

  var obj = this._events[type],
      i = obj.length;

  while (i--) {
    if (obj[i] === listener || obj[i].listener === listener) {
      obj.splice(i, 1);
      return;
    }
  }
};

EventEmitter.prototype.off = EventEmitter.prototype.removeListener;

EventEmitter.prototype.removeAllListeners = function (type) {
  if (this._events[type]) delete this._events[type];
};

EventEmitter.prototype.once = function (type, listener) {
  var self = this;
  function on() {
    var args = Array.prototype.slice.call(arguments);
    this.removeListener(type, on);
    return listener.apply(this, args);
  }
  on.listener = listener;
  return this.on(type, on);
};

EventEmitter.prototype.emit = function (type) {
  if (!this._events[type]) return;

  var args = Array.prototype.slice.call(arguments, 1),
      obj = this._events[type],
      l = obj.length,
      i = 0;

  for (; i < l; i++) {
    obj[i].apply(this, args);
  }
};

EventEmitter.prototype.listeners = function (type) {
  return this._events[type] = this._events[type] || [];
};

exports.EventEmitter = EventEmitter;

},{}],3:[function(_dereq_,module,exports){
'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
/**
 * xterm.js: xterm, in the browser
 * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)
 */

/**
 * Represents the viewport of a terminal, the visible area within the larger buffer of output.
 * Logic for the virtual scroll bar is included in this object.
 * @param {Terminal} terminal The Terminal object.
 * @param {HTMLElement} viewportElement The DOM element acting as the viewport
 * @param {HTMLElement} charMeasureElement A DOM element used to measure the character size of
 *   the terminal.
 */
function Viewport(terminal, viewportElement, scrollArea, charMeasureElement) {
  this.terminal = terminal;
  this.viewportElement = viewportElement;
  this.scrollArea = scrollArea;
  this.charMeasureElement = charMeasureElement;
  this.currentRowHeight = 0;
  this.lastRecordedBufferLength = 0;
  this.lastRecordedViewportHeight = 0;

  this.terminal.on('scroll', this.syncScrollArea.bind(this));
  this.terminal.on('resize', this.syncScrollArea.bind(this));
  this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));

  this.syncScrollArea();
}

/**
 * Refreshes row height, setting line-height, viewport height and scroll area height if
 * necessary.
 * @param {number|undefined} charSize A character size measurement bounding rect object, if it
 *   doesn't exist it will be created.
 */
Viewport.prototype.refresh = function (charSize) {
  var size = charSize || this.charMeasureElement.getBoundingClientRect();
  if (size.height > 0) {
    var rowHeightChanged = size.height !== this.currentRowHeight;
    if (rowHeightChanged) {
      this.currentRowHeight = size.height;
      this.viewportElement.style.lineHeight = size.height + 'px';
      this.terminal.rowContainer.style.lineHeight = size.height + 'px';
    }
    var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;
    if (rowHeightChanged || viewportHeightChanged) {
      this.lastRecordedViewportHeight = this.terminal.rows;
      this.viewportElement.style.height = size.height * this.terminal.rows + 'px';
    }
    this.scrollArea.style.height = size.height * this.lastRecordedBufferLength + 'px';
  }
};

/**
 * Updates dimensions and synchronizes the scroll area if necessary.
 */
Viewport.prototype.syncScrollArea = function () {
  if (this.lastRecordedBufferLength !== this.terminal.lines.length) {
    // If buffer height changed
    this.lastRecordedBufferLength = this.terminal.lines.length;
    this.refresh();
  } else if (this.lastRecordedViewportHeight !== this.terminal.rows) {
    // If viewport height changed
    this.refresh();
  } else {
    // If size has changed, refresh viewport
    var size = this.charMeasureElement.getBoundingClientRect();
    if (size.height !== this.currentRowHeight) {
      this.refresh(size);
    }
  }

  // Sync scrollTop
  var scrollTop = this.terminal.ydisp * this.currentRowHeight;
  if (this.viewportElement.scrollTop !== scrollTop) {
    this.viewportElement.scrollTop = scrollTop;
  }
};

/**
 * Handles scroll events on the viewport, calculating the new viewport and requesting the
 * terminal to scroll to it.
 * @param {Event} ev The scroll event.
 */
Viewport.prototype.onScroll = function (ev) {
  var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);
  var diff = newRow - this.terminal.ydisp;
  this.terminal.scrollDisp(diff, true);
};

/**
 * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual
 * scrolling to `onScroll`, this event needs to be attached manually by the consumer of
 * `Viewport`.
 * @param {WheelEvent} ev The mouse wheel event.
 */
Viewport.prototype.onWheel = function (ev) {
  if (ev.deltaY === 0) {
    // Do nothing if it's not a vertical scroll event
    return;
  }
  // Fallback to WheelEvent.DOM_DELTA_PIXEL
  var multiplier = 1;
  if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
    multiplier = this.currentRowHeight;
  } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
    multiplier = this.currentRowHeight * this.terminal.rows;
  }
  this.viewportElement.scrollTop += ev.deltaY * multiplier;
  // Prevent the page from scrolling when the terminal scrolls
  ev.preventDefault();
};

exports.Viewport = Viewport;

},{}],4:[function(_dereq_,module,exports){
'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
/**
 * xterm.js: xterm, in the browser
 * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)
 */

/**
 * Clipboard handler module. This module contains methods for handling all
 * clipboard-related events appropriately in the terminal.
 * @module xterm/handlers/Clipboard
 */

/**
 * Prepares text copied from terminal selection, to be saved in the clipboard by:
 *   1. stripping all trailing white spaces
 *   2. converting all non-breaking spaces to regular spaces
 * @param {string} text The copied text that needs processing for storing in clipboard
 * @returns {string}
 */
function prepareTextForClipboard(text) {
  var space = String.fromCharCode(32),
      nonBreakingSpace = String.fromCharCode(160),
      allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'),
      processedText = text.split('\n').map(function (line) {
    // Strip all trailing white spaces and convert all non-breaking spaces
    // to regular spaces.
    var processedLine = line.replace(/\s+$/g, '').replace(allNonBreakingSpaces, space);

    return processedLine;
  }).join('\n');

  return processedText;
}

/**
 * Binds copy functionality to the given terminal.
 * @param {ClipboardEvent} ev The original copy event to be handled
 */
function copyHandler(ev, term) {
  var copiedText = window.getSelection().toString(),
      text = prepareTextForClipboard(copiedText);

  if (term.browser.isMSIE) {
    window.clipboardData.setData('Text', text);
  } else {
    ev.clipboardData.setData('text/plain', text);
  }

  ev.preventDefault(); // Prevent or the original text will be copied.
}

/**
 * Redirect the clipboard's data to the terminal's input handler.
 * @param {ClipboardEvent} ev The original paste event to be handled
 * @param {Terminal} term The terminal on which to apply the handled paste event
 */
function pasteHandler(ev, term) {
  ev.stopPropagation();

  var dispatchPaste = function dispatchPaste(text) {
    term.handler(text);
    term.textarea.value = '';
    return term.cancel(ev);
  };

  if (term.browser.isMSIE) {
    if (window.clipboardData) {
      var text = window.clipboardData.getData('Text');
      dispatchPaste(text);
    }
  } else {
    if (ev.clipboardData) {
      var text = ev.clipboardData.getData('text/plain');
      dispatchPaste(text);
    }
  }
}

/**
 * Bind to right-click event and allow right-click copy and paste.
 *
 * **Logic**
 * If text is selected and right-click happens on selected text, then
 * do nothing to allow seamless copying.
 * If no text is selected or right-click is outside of the selection
 * area, then bring the terminal's input below the cursor, in order to
 * trigger the event on the textarea and allow-right click paste, without
 * caring about disappearing selection.
 * @param {ClipboardEvent} ev The original paste event to be handled
 * @param {Terminal} term The terminal on which to apply the handled paste event
 */
function rightClickHandler(ev, term) {
  var s = document.getSelection(),
      selectedText = prepareTextForClipboard(s.toString()),
      clickIsOnSelection = false;

  if (s.rangeCount) {
    var r = s.getRangeAt(0),
        cr = r.getClientRects(),
        x = ev.clientX,
        y = ev.clientY,
        i,
        rect;

    for (i = 0; i < cr.length; i++) {
      rect = cr[i];
      clickIsOnSelection = x > rect.left && x < rect.right && y > rect.top && y < rect.bottom;

      if (clickIsOnSelection) {
        break;
      }
    }
    // If we clicked on selection and selection is not a single space,
    // then mark the right click as copy-only. We check for the single
    // space selection, as this can happen when clicking on an &nbsp;
    // and there is not much pointing in copying a single space.
    if (selectedText.match(/^\s$/) || !selectedText.length) {
      clickIsOnSelection = false;
    }
  }

  // Bring textarea at the cursor position
  if (!clickIsOnSelection) {
    term.textarea.style.position = 'fixed';
    term.textarea.style.width = '20px';
    term.textarea.style.height = '20px';
    term.textarea.style.left = x - 10 + 'px';
    term.textarea.style.top = y - 10 + 'px';
    term.textarea.style.zIndex = 1000;
    term.textarea.focus();

    // Reset the terminal textarea's styling
    setTimeout(function () {
      term.textarea.style.position = null;
      term.textarea.style.width = null;
      term.textarea.style.height = null;
      term.textarea.style.left = null;
      term.textarea.style.top = null;
      term.textarea.style.zIndex = null;
    }, 4);
  }
}

exports.prepareTextForClipboard = prepareTextForClipboard;
exports.copyHandler = copyHandler;
exports.pasteHandler = pasteHandler;
exports.rightClickHandler = rightClickHandler;

},{}],5:[function(_dereq_,module,exports){
'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isMSWindows = exports.isIphone = exports.isIpad = exports.isMac = exports.isMSIE = exports.isFirefox = undefined;

var _Generic = _dereq_('./Generic.js');

var isNode = typeof navigator == 'undefined' ? true : false; /**
                                                              * xterm.js: xterm, in the browser
                                                              * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)
                                                              */

/**
 * Browser utilities module. This module contains attributes and methods to help with
 * identifying the current browser and platform.
 * @module xterm/utils/Browser
 */

var userAgent = isNode ? 'node' : navigator.userAgent;
var platform = isNode ? 'node' : navigator.platform;

var isFirefox = exports.isFirefox = !!~userAgent.indexOf('Firefox');
var isMSIE = exports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');

// Find the users platform. We use this to interpret the meta key
// and ISO third level shifts.
// http://stackoverflow.com/q/19877924/577598
var isMac = exports.isMac = (0, _Generic.contains)(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);
var isIpad = exports.isIpad = platform === 'iPad';
var isIphone = exports.isIphone = platform === 'iPhone';
var isMSWindows = exports.isMSWindows = (0, _Generic.contains)(['Windows', 'Win16', 'Win32', 'WinCE'], platform);

},{"./Generic.js":6}],6:[function(_dereq_,module,exports){
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
/**
 * xterm.js: xterm, in the browser
 * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)
 */

/**
 * Generic utilities module. This module contains generic methods that can be helpful at
 * different parts of the code base.
 * @module xterm/utils/Generic
 */

/**
 * Return if the given array contains the given element
 * @param {Array} array The array to search for the given element.
 * @param {Object} el The element to look for into the array
 */
var contains = exports.contains = function contains(arr, el) {
  return arr.indexOf(el) >= 0;
};

},{}],7:[function(_dereq_,module,exports){
'use strict';var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};/**
 * xterm.js: xterm, in the browser
 * Copyright (c) 2014-2014, SourceLair Private Company <www.sourcelair.com> (MIT License)
 * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
 * https://github.com/chjj/term.js
 *
 * 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.
 *
 * Originally forked from (with the author's permission):
 *   Fabrice Bellard's javascript vt100 for jslinux:
 *   http://bellard.org/jslinux/
 *   Copyright (c) 2011 Fabrice Bellard
 *   The original design remains. The terminal itself
 *   has been extended to include xterm CSI codes, among
 *   other features.
 */var _CompositionHelper=_dereq_('./CompositionHelper.js');var _EventEmitter=_dereq_('./EventEmitter.js');var _Viewport=_dereq_('./Viewport.js');var _Clipboard=_dereq_('./handlers/Clipboard.js');var _Browser=_dereq_('./utils/Browser');var Browser=_interopRequireWildcard(_Browser);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}/**
 * Terminal Emulation References:
 *   http://vt100.net/
 *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
 *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
 *   http://invisible-island.net/vttest/
 *   http://www.inwap.com/pdp10/ansicode.txt
 *   http://linux.die.net/man/4/console_codes
 *   http://linux.die.net/man/7/urxvt
 */// Let it work inside Node.js for automated testing purposes.
var document=typeof window!='undefined'?window.document:null;/**
 * States
 */var normal=0,escaped=1,csi=2,osc=3,charset=4,dcs=5,ignore=6;/**
 * Terminal
 *//**
 * Creates a new `Terminal` object.
 *
 * @param {object} options An object containing a set of options, the available options are:
 *   - `cursorBlink` (boolean): Whether the terminal cursor blinks
 *   - `cols` (number): The number of columns of the terminal (horizontal size)
 *   - `rows` (number): The number of rows of the terminal (vertical size)
 *
 * @public
 * @class Xterm Xterm
 * @alias module:xterm/src/xterm
 */function Terminal(options){var self=this;if(!(this instanceof Terminal)){return new Terminal(arguments[0],arguments[1],arguments[2]);}self.browser=Browser;self.cancel=Terminal.cancel;_EventEmitter.EventEmitter.call(this);if(typeof options==='number'){options={cols:arguments[0],rows:arguments[1],handler:arguments[2]};}options=options||{};Object.keys(Terminal.defaults).forEach(function(key){if(options[key]==null){options[key]=Terminal.options[key];if(Terminal[key]!==Terminal.defaults[key]){options[key]=Terminal[key];}}self[key]=options[key];});if(options.colors.length===8){options.colors=options.colors.concat(Terminal._colors.slice(8));}else if(options.colors.length===16){options.colors=options.colors.concat(Terminal._colors.slice(16));}else if(options.colors.length===10){options.colors=options.colors.slice(0,-2).concat(Terminal._colors.slice(8,-2),options.colors.slice(-2));}else if(options.colors.length===18){options.colors=options.colors.concat(Terminal._colors.slice(16,-2),options.colors.slice(-2));}this.colors=options.colors;this.options=options;// this.context = options.context || window;
// this.document = options.document || document;
this.parent=options.body||options.parent||(document?document.getElementsByTagName('body')[0]:null);this.cols=options.cols||options.geometry[0];this.rows=options.rows||options.geometry[1];this.geometry=[this.cols,this.rows];if(options.handler){this.on('data',options.handler);}/**
   * The scroll position of the y cursor, ie. ybase + y = the y position within the entire
   * buffer
   */this.ybase=0;/**
   * The scroll position of the viewport
   */this.ydisp=0;/**
   * The cursor's x position after ybase
   */this.x=0;/**
   * The cursor's y position after ybase
   */this.y=0;/**
   * Used to debounce the refresh function
   */this.isRefreshing=false;/**
   * Whether there is a full terminal refresh queued
   */this.cursorState=0;this.cursorHidden=false;this.convertEol;this.state=0;this.queue='';this.scrollTop=0;this.scrollBottom=this.rows-1;this.customKeydownHandler=null;// modes
this.applicationKeypad=false;this.applicationCursor=false;this.originMode=false;this.insertMode=false;this.wraparoundMode=true;// defaults: xterm - true, vt100 - false
this.normal=null;// charset
this.charset=null;this.gcharset=null;this.glevel=0;this.charsets=[null];// mouse properties
this.decLocator;this.x10Mouse;this.vt200Mouse;this.vt300Mouse;this.normalMouse;this.mouseEvents;this.sendFocus;this.utfMouse;this.sgrMouse;this.urxvtMouse;// misc
this.element;this.children;this.refreshStart;this.refreshEnd;this.savedX;this.savedY;this.savedCols;// stream
this.readable=true;this.writable=true;this.defAttr=0<<18|257<<9|256<<0;this.curAttr=this.defAttr;this.params=[];this.currentParam=0;this.prefix='';this.postfix='';// leftover surrogate high from previous write invocation
this.surrogate_high='';/**
   * An array of all lines in the entire buffer, including the prompt. The lines are array of
   * characters which are 2-length arrays where [0] is an attribute and [1] is the character.
   */this.lines=[];var i=this.rows;while(i--){this.lines.push(this.blankLine());}this.tabs;this.setupStops();// Store if user went browsing history in scrollback
this.userScrolling=false;}inherits(Terminal,_EventEmitter.EventEmitter);/**
 * back_color_erase feature for xterm.
 */Terminal.prototype.eraseAttr=function(){// if (this.is('screen')) return this.defAttr;
return this.defAttr&~0x1ff|this.curAttr&0x1ff;};/**
 * Colors
 */// Colors 0-15
Terminal.tangoColors=[// dark:
'#2e3436','#cc0000','#4e9a06','#c4a000','#3465a4','#75507b','#06989a','#d3d7cf',// bright:
'#555753','#ef2929','#8ae234','#fce94f','#729fcf','#ad7fa8','#34e2e2','#eeeeec'];// Colors 0-15 + 16-255
// Much thanks to TooTallNate for writing this.
Terminal.colors=function(){var colors=Terminal.tangoColors.slice(),r=[0x00,0x5f,0x87,0xaf,0xd7,0xff],i;// 16-231
i=0;for(;i<216;i++){out(r[i/36%6|0],r[i/6%6|0],r[i%6]);}// 232-255 (grey)
i=0;for(;i<24;i++){r=8+i*10;out(r,r,r);}function out(r,g,b){colors.push('#'+hex(r)+hex(g)+hex(b));}function hex(c){c=c.toString(16);return c.length<2?'0'+c:c;}return colors;}();Terminal._colors=Terminal.colors.slice();Terminal.vcolors=function(){var out=[],colors=Terminal.colors,i=0,color;for(;i<256;i++){color=parseInt(colors[i].substring(1),16);out.push([color>>16&0xff,color>>8&0xff,color&0xff]);}return out;}();/**
 * Options
 */Terminal.defaults={colors:Terminal.colors,theme:'default',convertEol:false,termName:'xterm',geometry:[80,24],cursorBlink:false,visualBell:false,popOnBell:false,scrollback:1000,screenKeys:false,debug:false,cancelEvents:false// programFeatures: false,
// focusKeys: false,
};Terminal.options={};Terminal.focus=null;each(keys(Terminal.defaults),function(key){Terminal[key]=Terminal.defaults[key];Terminal.options[key]=Terminal.defaults[key];});/**
 * Focus the terminal. Delegates focus handling to the terminal's DOM element.
 */Terminal.prototype.focus=function(){return this.textarea.focus();};/**
 * Retrieves an option's value from the terminal.
 * @param {string} key The option key.
 */Terminal.prototype.getOption=function(key,value){if(!(key in Terminal.defaults)){throw new Error('No option with key "'+key+'"');}if(typeof this.options[key]!=='undefined'){return this.options[key];}return this[key];};/**
 * Sets an option on the terminal.
 * @param {string} key The option key.
 * @param {string} value The option value.
 */Terminal.prototype.setOption=function(key,value){if(!(key in Terminal.defaults)){throw new Error('No option with key "'+key+'"');}this[key]=value;this.options[key]=value;};/**
 * Binds the desired focus behavior on a given terminal object.
 *
 * @static
 */Terminal.bindFocus=function(term){on(term.textarea,'focus',function(ev){if(term.sendFocus){term.send('\x1b[I');}term.element.classList.add('focus');term.showCursor();Terminal.focus=term;term.emit('focus',{terminal:term});});};/**
 * Blur the terminal. Delegates blur handling to the terminal's DOM element.
 */Terminal.prototype.blur=function(){return this.textarea.blur();};/**
 * Binds the desired blur behavior on a given terminal object.
 *
 * @static
 */Terminal.bindBlur=function(term){on(term.textarea,'blur',function(ev){term.refresh(term.y,term.y);if(term.sendFocus){term.send('\x1b[O');}term.element.classList.remove('focus');Terminal.focus=null;term.emit('blur',{terminal:term});});};/**
 * Initialize default behavior
 */Terminal.prototype.initGlobal=function(){var term=this;Terminal.bindKeys(this);Terminal.bindFocus(this);Terminal.bindBlur(this);// Bind clipboard functionality
on(this.element,'copy',function(ev){_Clipboard.copyHandler.call(this,ev,term);});on(this.textarea,'paste',function(ev){_Clipboard.pasteHandler.call(this,ev,term);});function rightClickHandlerWrapper(ev){_Clipboard.rightClickHandler.call(this,ev,term);}if(term.browser.isFirefox){on(this.element,'mousedown',function(ev){if(ev.button==2){rightClickHandlerWrapper(ev);}});}else{on(this.element,'contextmenu',rightClickHandlerWrapper);}};/**
 * Apply key handling to the terminal
 */Terminal.bindKeys=function(term){on(term.element,'keydown',function(ev){if(document.activeElement!=this){return;}term.keyDown(ev);},true);on(term.element,'keypress',function(ev){if(document.activeElement!=this){return;}term.keyPress(ev);},true);on(term.element,'keyup',term.focus.bind(term));on(term.textarea,'keydown',function(ev){term.keyDown(ev);},true);on(term.textarea,'keypress',function(ev){term.keyPress(ev);// Truncate the textarea's value, since it is not needed
this.value='';},true);on(term.textarea,'compositionstart',term.compositionHelper.compositionstart.bind(term.compositionHelper));on(term.textarea,'compositionupdate',term.compositionHelper.compositionupdate.bind(term.compositionHelper));on(term.textarea,'compositionend',term.compositionHelper.compositionend.bind(term.compositionHelper));term.on('refresh',term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));};/**
 * Insert the given row to the terminal or produce a new one
 * if no row argument is passed. Return the inserted row.
 * @param {HTMLElement} row (optional) The row to append to the terminal.
 */Terminal.prototype.insertRow=function(row){if((typeof row==='undefined'?'undefined':_typeof(row))!='object'){row=document.createElement('div');}this.rowContainer.appendChild(row);this.children.push(row);return row;};/**
 * Opens the terminal within an element.
 *
 * @param {HTMLElement} parent The element to create the terminal within.
 */Terminal.prototype.open=function(parent){var self=this,i=0,div;this.parent=parent||this.parent;if(!this.parent){throw new Error('Terminal requires a parent element.');}// Grab global elements
this.context=this.parent.ownerDocument.defaultView;this.document=this.parent.ownerDocument;this.body=this.document.getElementsByTagName('body')[0];//Create main element container
this.element=this.document.createElement('div');this.element.classList.add('terminal');this.element.classList.add('xterm');this.element.classList.add('xterm-theme-'+this.theme);this.element.style.height;this.element.setAttribute('tabindex',0);this.viewportElement=document.createElement('div');this.viewportElement.classList.add('xterm-viewport');this.element.appendChild(this.viewportElement);this.viewportScrollArea=document.createElement('div');this.viewportScrollArea.classList.add('xterm-scroll-area');this.viewportElement.appendChild(this.viewportScrollArea);// Create the container that will hold the lines of the terminal and then
// produce the lines the lines.
this.rowContainer=document.createElement('div');this.rowContainer.classList.add('xterm-rows');this.element.appendChild(this.rowContainer);this.children=[];// Create the container that will hold helpers like the textarea for
// capturing DOM Events. Then produce the helpers.
this.helperContainer=document.createElement('div');this.helperContainer.classList.add('xterm-helpers');// TODO: This should probably be inserted once it's filled to prevent an additional layout
this.element.appendChild(this.helperContainer);this.textarea=document.createElement('textarea');this.textarea.classList.add('xterm-helper-textarea');this.textarea.setAttribute('autocorrect','off');this.textarea.setAttribute('autocapitalize','off');this.textarea.setAttribute('spellcheck','false');this.textarea.tabIndex=0;this.textarea.addEventListener('focus',function(){self.emit('focus',{terminal:self});});this.textarea.addEventListener('blur',function(){self.emit('blur',{terminal:self});});this.helperContainer.appendChild(this.textarea);this.compositionView=document.createElement('div');this.compositionView.classList.add('composition-view');this.compositionHelper=new _CompositionHelper.CompositionHelper(this.textarea,this.compositionView,this);this.helperContainer.appendChild(this.compositionView);this.charMeasureElement=document.createElement('div');this.charMeasureElement.classList.add('xterm-char-measure-element');this.charMeasureElement.innerHTML='W';this.helperContainer.appendChild(this.charMeasureElement);for(;i<this.rows;i++){this.insertRow();}this.parent.appendChild(this.element);this.viewport=new _Viewport.Viewport(this,this.viewportElement,this.viewportScrollArea,this.charMeasureElement);// Draw the screen.
this.refresh(0,this.rows-1);// Initialize global actions that
// need to be taken on the document.
this.initGlobal();// Ensure there is a Terminal.focus.
this.focus();on(this.element,'click',function(){var selection=document.getSelection(),collapsed=selection.isCollapsed,isRange=typeof collapsed=='boolean'?!collapsed:selection.type=='Range';if(!isRange){self.focus();}});// Listen for mouse events and translate
// them into terminal mouse protocols.
this.bindMouse();// Figure out whether boldness affects
// the character width of monospace fonts.
if(Terminal.brokenBold==null){Terminal.brokenBold=isBoldBroken(this.document);}this.emit('open');};/**
 * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).
 * @param {string} addon The name of the addon to load
 * @static
 */Terminal.loadAddon=function(addon,callback){if((typeof exports==='undefined'?'undefined':_typeof(exports))==='object'&&(typeof module==='undefined'?'undefined':_typeof(module))==='object'){// CommonJS
return _dereq_('../addons/'+addon);}else if(typeof define=='function'){// RequireJS
return _dereq_(['../addons/'+addon+'/'+addon],callback);}else{console.error('Cannot load a module without a CommonJS or RequireJS environment.');return false;}};/**
 * XTerm mouse events
 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking
 * To better understand these
 * the xterm code is very helpful:
 * Relevant files:
 *   button.c, charproc.c, misc.c
 * Relevant functions in xterm/button.c:
 *   BtnCode, EmitButtonCode, EditorButton, SendMousePosition
 */Terminal.prototype.bindMouse=function(){var el=this.element,self=this,pressed=32;// mouseup, mousedown, wheel
// left click: ^[[M 3<^[[M#3<
// wheel up: ^[[M`3>
function sendButton(ev){var button,pos;// get the xterm-style button
button=getButton(ev);// get mouse coordinates
pos=getCoords(ev);if(!pos)return;sendEvent(button,pos);switch(ev.overrideType||ev.type){case'mousedown':pressed=button;break;case'mouseup':// keep it at the left
// button, just in case.
pressed=32;break;case'wheel':// nothing. don't
// interfere with
// `pressed`.
break;}}// motion example of a left click:
// ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<
function sendMove(ev){var button=pressed,pos;pos=getCoords(ev);if(!pos)return;// buttons marked as motions
// are incremented by 32
button+=32;sendEvent(button,pos);}// encode button and
// position to characters
function encode(data,ch){if(!self.utfMouse){if(ch===255)return data.push(0);if(ch>127)ch=127;data.push(ch);}else{if(ch===2047)return data.push(0);if(ch<127){data.push(ch);}else{if(ch>2047)ch=2047;data.push(0xC0|ch>>6);data.push(0x80|ch&0x3F);}}}// send a mouse event:
// regular/utf8: ^[[M Cb Cx Cy
// urxvt: ^[[ Cb ; Cx ; Cy M
// sgr: ^[[ Cb ; Cx ; Cy M/m
// vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r
// locator: CSI P e ; P b ; P r ; P c ; P p & w
function sendEvent(button,pos){// self.emit('mouse', {
//   x: pos.x - 32,
//   y: pos.x - 32,
//   button: button
// });
if(self.vt300Mouse){// NOTE: Unstable.
// http://www.vt100.net/docs/vt3xx-gp/chapter15.html
button&=3;pos.x-=32;pos.y-=32;var data='\x1b[24';if(button===0)data+='1';else if(button===1)data+='3';else if(button===2)data+='5';else if(button===3)return;else data+='0';data+='~['+pos.x+','+pos.y+']\r';self.send(data);return;}if(self.decLocator){// NOTE: Unstable.
button&=3;pos.x-=32;pos.y-=32;if(button===0)button=2;else if(button===1)button=4;else if(button===2)button=6;else if(button===3)button=3;self.send('\x1b['+button+';'+(button===3?4:0)+';'+pos.y+';'+pos.x+';'+(pos.page||0)+'&w');return;}if(self.urxvtMouse){pos.x-=32;pos.y-=32;pos.x++;pos.y++;self.send('\x1b['+button+';'+pos.x+';'+pos.y+'M');return;}if(self.sgrMouse){pos.x-=32;pos.y-=32;self.send('\x1b[<'+((button&3)===3?button&~3:button)+';'+pos.x+';'+pos.y+((button&3)===3?'m':'M'));return;}var data=[];encode(data,button);encode(data,pos.x);encode(data,pos.y);self.send('\x1b[M'+String.fromCharCode.apply(String,data));}function getButton(ev){var button,shift,meta,ctrl,mod;// two low bits:
// 0 = left
// 1 = middle
// 2 = right
// 3 = release
// wheel up/down:
// 1, and 2 - with 64 added
switch(ev.overrideType||ev.type){case'mousedown':button=ev.button!=null?+ev.button:ev.which!=null?ev.which-1:null;if(self.browser.isMSIE){button=button===1?0:button===4?1:button;}break;case'mouseup':button=3;break;case'DOMMouseScroll':button=ev.detail<0?64:65;break;case'wheel':button=ev.wheelDeltaY>0?64:65;break;}// next three bits are the modifiers:
// 4 = shift, 8 = meta, 16 = control
shift=ev.shiftKey?4:0;meta=ev.metaKey?8:0;ctrl=ev.ctrlKey?16:0;mod=shift|meta|ctrl;// no mods
if(self.vt200Mouse){// ctrl only
mod&=ctrl;}else if(!self.normalMouse){mod=0;}// increment to SP
button=32+(mod<<2)+button;return button;}// mouse coordinates measured in cols/rows
function getCoords(ev){var x,y,w,h,el;// ignore browsers without pageX for now
if(ev.pageX==null)return;x=ev.pageX;y=ev.pageY;el=self.element;// should probably check offsetParent
// but this is more portable
while(el&&el!==self.document.documentElement){x-=el.offsetLeft;y-=el.offsetTop;el='offsetParent'in el?el.offsetParent:el.parentNode;}// convert to cols/rows
w=self.element.clientWidth;h=self.element.clientHeight;x=Math.ceil(x/w*self.cols);y=Math.ceil(y/h*self.rows);// be sure to avoid sending
// bad positions to the program
if(x<0)x=0;if(x>self.cols)x=self.cols;if(y<0)y=0;if(y>self.rows)y=self.rows;// xterm sends raw bytes and
// starts at 32 (SP) for each.
x+=32;y+=32;return{x:x,y:y,type:'wheel'};}on(el,'mousedown',function(ev){if(!self.mouseEvents)return;// send the button
sendButton(ev);// ensure focus
self.focus();// fix for odd bug
//if (self.vt200Mouse && !self.normalMouse) {
if(self.vt200Mouse){ev.overrideType='mouseup';sendButton(ev);return self.cancel(ev);}// bind events
if(self.normalMouse)on(self.document,'mousemove',sendMove);// x10 compatibility mode can't send button releases
if(!self.x10Mouse){on(self.document,'mouseup',function up(ev){sendButton(ev);if(self.normalMouse)off(self.document,'mousemove',sendMove);off(self.document,'mouseup',up);return self.cancel(ev);});}return self.cancel(ev);});//if (self.normalMouse) {
//  on(self.document, 'mousemove', sendMove);
//}
on(el,'wheel',function(ev){if(!self.mouseEvents)return;if(self.x10Mouse||self.vt300Mouse||self.decLocator)return;sendButton(ev);return self.cancel(ev);});// allow wheel scrolling in
// the shell for example
on(el,'wheel',function(ev){if(self.mouseEvents)return;self.viewport.onWheel(ev);return self.cancel(ev);});};/**
 * Destroys the terminal.
 */Terminal.prototype.destroy=function(){this.readable=false;this.writable=false;this._events={};this.handler=function(){};this.write=function(){};if(this.element.parentNode){this.element.parentNode.removeChild(this.element);}//this.emit('close');
};/**
 * Flags used to render terminal text properly
 */Terminal.flags={BOLD:1,UNDERLINE:2,BLINK:4,INVERSE:8,INVISIBLE:16};/**
 * Refreshes (re-renders) terminal content within two rows (inclusive)
 *
 * Rendering Engine:
 *
 * In the screen buffer, each character is stored as a an array with a character
 * and a 32-bit integer:
 *   - First value: a utf-16 character.
 *   - Second value:
 *   - Next 9 bits: background color (0-511).
 *   - Next 9 bits: foreground color (0-511).
 *   - Next 14 bits: a mask for misc. flags:
 *     - 1=bold
 *     - 2=underline
 *     - 4=blink
 *     - 8=inverse
 *     - 16=invisible
 *
 * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)
 * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)
 * @param {boolean} queue Whether the refresh should ran right now or be queued
 */Terminal.prototype.refresh=function(start,end,queue){var self=this;// queue defaults to true
queue=typeof queue=='undefined'?true:queue;/**
   * The refresh queue allows refresh to execute only approximately 30 times a second. For
   * commands that pass a significant amount of output to the write function, this prevents the
   * terminal from maxing out the CPU and making the UI unresponsive. While commands can still
   * run beyond what they do on the terminal, it is far better with a debounce in place as
   * every single terminal manipulation does not need to be constructed in the DOM.
   *
   * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.
   */if(queue){// If refresh should be queued, order the refresh and return.
if(this._refreshIsQueued){// If a refresh has already been queued, just order a full refresh next
this._fullRefreshNext=true;}else{setTimeout(function(){self.refresh(start,end,false);},34);this._refreshIsQueued=true;}return;}// If refresh should be run right now (not be queued), release the lock
this._refreshIsQueued=false;// If multiple refreshes were requested, make a full refresh.
if(this._fullRefreshNext){start=0;end=this.rows-1;this._fullRefreshNext=false;// reset lock
}var x,y,i,line,out,ch,ch_width,width,data,attr,bg,fg,flags,row,parent,focused=document.activeElement;// If this is a big refresh, remove the terminal rows from the DOM for faster calculations
if(end-start>=this.rows/2){parent=this.element.parentNode;if(parent){this.element.removeChild(this.rowContainer);}}width=this.cols;y=start;if(end>=this.rows.length){this.log('`end` is too large. Most likely a bad CSR.');end=this.rows.length-1;}for(;y<=end;y++){row=y+this.ydisp;line=this.lines[row];out='';if(this.y===y-(this.ybase-this.ydisp)&&this.cursorState&&!this.cursorHidden){x=this.x;}else{x=-1;}attr=this.defAttr;i=0;for(;i<width;i++){data=line[i][0];ch=line[i][1];ch_width=line[i][2];if(!ch_width)continue;if(i===x)data=-1;if(data!==attr){if(attr!==this.defAttr){out+='</span>';}if(data!==this.defAttr){if(data===-1){out+='<span class="reverse-video terminal-cursor';if(this.cursorBlink){out+=' blinking';}out+='">';}else{var classNames=[];bg=data&0x1ff;fg=data>>9&0x1ff;flags=data>>18;if(flags&Terminal.flags.BOLD){if(!Terminal.brokenBold){classNames.push('xterm-bold');}// See: XTerm*boldColors
if(fg<8)fg+=8;}if(flags&Terminal.flags.UNDERLINE){classNames.push('xterm-underline');}if(flags&Terminal.flags.BLINK){classNames.push('xterm-blink');}// If inverse flag is on, then swap the foreground and background variables.
if(flags&Terminal.flags.INVERSE){/* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */bg=[fg,fg=bg][0];// Should inverse just be before the
// above boldColors effect instead?
if(flags&1&&fg<8)fg+=8;}if(flags&Terminal.flags.INVISIBLE){classNames.push('xterm-hidden');}/**
             * Weird situation: Invert flag used black foreground and white background results
             * in invalid background color, positioned at the 256 index of the 256 terminal
             * color map. Pin the colors manually in such a case.
             *
             * Source: https://github.com/sourcelair/xterm.js/issues/57
             */if(flags&Terminal.flags.INVERSE){if(bg==257){bg=15;}if(fg==256){fg=0;}}if(bg<256){classNames.push('xterm-bg-color-'+bg);}if(fg<256){classNames.push('xterm-color-'+fg);}out+='<span';if(classNames.length){out+=' class="'+classNames.join(' ')+'"';}out+='>';}}}switch(ch){case'&':out+='&amp;';break;case'<':out+='&lt;';break;case'>':out+='&gt;';break;default:if(ch<=' '){out+='&nbsp;';}else{out+=ch;}break;}attr=data;}if(attr!==this.defAttr){out+='</span>';}this.children[y].innerHTML=out;}if(parent){this.element.appendChild(this.rowContainer);}this.emit('refresh',{element:this.element,start:start,end:end});};/**
 * Display the cursor element
 */Terminal.prototype.showCursor=function(){if(!this.cursorState){this.cursorState=1;this.refresh(this.y,this.y);}};/**
 * Scroll the terminal
 */Terminal.prototype.scroll=function(){var row;if(++this.ybase===this.scrollback){this.ybase=this.ybase/2|0;this.lines=this.lines.slice(-(this.ybase+this.rows)+1);}if(!this.userScrolling){this.ydisp=this.ybase;}// last line
row=this.ybase+this.rows-1;// subtract the bottom scroll region
row-=this.rows-1-this.scrollBottom;if(row===this.lines.length){// potential optimization:
// pushing is faster than splicing
// when they amount to the same
// behavior.
this.lines.push(this.blankLine());}else{// add our new line
this.lines.splice(row,0,this.blankLine());}if(this.scrollTop!==0){if(this.ybase!==0){this.ybase--;if(!this.userScrolling){this.ydisp=this.ybase;}}this.lines.splice(this.ybase+this.scrollTop,1);}// this.maxRange();
this.updateRange(this.scrollTop);this.updateRange(this.scrollBottom);this.emit('scroll',this.ydisp);};/**
 * Scroll the display of the terminal
 * @param {number} disp The number of lines to scroll down (negatives scroll up).
 * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used
 * to avoid unwanted events being handled by the veiwport when the event was triggered from the
 * viewport originally.
 */Terminal.prototype.scrollDisp=function(disp,suppressScrollEvent){if(disp<0){this.userScrolling=true;}else if(disp+this.ydisp>=this.ybase){this.userScrolling=false;}this.ydisp+=disp;if(this.ydisp>this.ybase){this.ydisp=this.ybase;}else if(this.ydisp<0){this.ydisp=0;}if(!suppressScrollEvent){this.emit('scroll',this.ydisp);}this.refresh(0,this.rows-1);};/**
 * Scroll the display of the terminal by a number of pages.
 * @param {number} pageCount The number of pages to scroll (negative scrolls up).
 */Terminal.prototype.scrollPages=function(pageCount){this.scrollDisp(pageCount*(this.rows-1));};/**
 * Scrolls the display of the terminal to the top.
 */Terminal.prototype.scrollToTop=function(){this.scrollDisp(-this.ydisp);};/**
 * Scrolls the display of the terminal to the bottom.
 */Terminal.prototype.scrollToBottom=function(){this.scrollDisp(this.ybase-this.ydisp);};/**
 * Writes text to the terminal.
 * @param {string} text The text to write to the terminal.
 */Terminal.prototype.write=function(data){var l=data.length,i=0,j,cs,ch,code,low,ch_width,row;this.refreshStart=this.y;this.refreshEnd=this.y;// apply leftover surrogate high from last write
if(this.surrogate_high){data=this.surrogate_high+data;this.surrogate_high='';}for(;i<l;i++){ch=data[i];// FIXME: higher chars than 0xa0 are not allowed in escape sequences
//        --> maybe move to default
code=data.charCodeAt(i);if(0xD800<=code&&code<=0xDBFF){// we got a surrogate high
// get surrogate low (next 2 bytes)
low=data.charCodeAt(i+1);if(isNaN(low)){// end of data stream, save surrogate high
this.surrogate_high=ch;continue;}code=(code-0xD800)*0x400+(low-0xDC00)+0x10000;ch+=data.charAt(i+1);}// surrogate low - already handled above
if(0xDC00<=code&&code<=0xDFFF)continue;switch(this.state){case normal:switch(ch){case'\x07':this.bell();break;// '\n', '\v', '\f'
case'\n':case'\x0b':case'\x0c':if(this.convertEol){this.x=0;}this.y++;if(this.y>this.scrollBottom){this.y--;this.scroll();}break;// '\r'
case'\r':this.x=0;break;// '\b'
case'\x08':if(this.x>0){this.x--;}break;// '\t'
case'\t':this.x=this.nextStop();break;// shift out
case'\x0e':this.setgLevel(1);break;// shift in
case'\x0f':this.setgLevel(0);break;// '\e'
case'\x1b':this.state=escaped;break;default:// ' '
// calculate print space
// expensive call, therefore we save width in line buffer
ch_width=wcwidth(code);if(ch>=' '){if(this.charset&&this.charset[ch]){ch=this.charset[ch];}row=this.y+this.ybase;// insert combining char in last cell
// FIXME: needs handling after cursor jumps
if(!ch_width&&this.x){// dont overflow left
if(this.lines[row][this.x-1]){if(!this.lines[row][this.x-1][2]){// found empty cell after fullwidth, need to go 2 cells back
if(this.lines[row][this.x-2])this.lines[row][this.x-2][1]+=ch;}else{this.lines[row][this.x-1][1]+=ch;}this.updateRange(this.y);}break;}// goto next line if ch would overflow
// TODO: needs a global min terminal width of 2
if(this.x+ch_width-1>=this.cols){// autowrap - DECAWM
if(this.wraparoundMode){this.x=0;this.y++;if(this.y>this.scrollBottom){this.y--;this.scroll();}}else{this.x=this.cols-1;if(ch_width===2)// FIXME: check for xterm behavior
continue;}}row=this.y+this.ybase;// insert mode: move characters to right
if(this.insertMode){// do this twice for a fullwidth char
for(var moves=0;moves<ch_width;++moves){// remove last cell, if it's width is 0
// we have to adjust the second last cell as well
var removed=this.lines[this.y+this.ybase].pop();if(removed[2]===0&&this.lines[row][this.cols-2]&&this.lines[row][this.cols-2][2]===2)this.lines[row][this.cols-2]=[this.curAttr,' ',1];// insert empty cell at cursor
this.lines[row].splice(this.x,0,[this.curAttr,' ',1]);}}this.lines[row][this.x]=[this.curAttr,ch,ch_width];this.x++;this.updateRange(this.y);// fullwidth char - set next cell width to zero and advance cursor
if(ch_width===2){this.lines[row][this.x]=[this.curAttr,'',0];this.x++;}}break;}break;case escaped:switch(ch){// ESC [ Control Sequence Introducer ( CSI is 0x9b).
case'[':this.params=[];this.currentParam=0;this.state=csi;break;// ESC ] Operating System Command ( OSC is 0x9d).
case']':this.params=[];this.currentParam=0;this.state=osc;break;// ESC P Device Control String ( DCS is 0x90).
case'P':this.params=[];this.currentParam=0;this.state=dcs;break;// ESC _ Application Program Command ( APC is 0x9f).
case'_':this.state=ignore;break;// ESC ^ Privacy Message ( PM is 0x9e).
case'^':this.state=ignore;break;// ESC c Full Reset (RIS).
case'c':this.reset();break;// ESC E Next Line ( NEL is 0x85).
// ESC D Index ( IND is 0x84).
case'E':this.x=0;;case'D':this.index();break;// ESC M Reverse Index ( RI is 0x8d).
case'M':this.reverseIndex();break;// ESC % Select default/utf-8 character set.
// @ = default, G = utf-8
case'%'://this.charset = null;
this.setgLevel(0);this.setgCharset(0,Terminal.charsets.US);this.state=normal;i++;break;// ESC (,),*,+,-,. Designate G0-G2 Character Set.
case'(':// <-- this seems to get all the attention
case')':case'*':case'+':case'-':case'.':switch(ch){case'(':this.gcharset=0;break;case')':this.gcharset=1;break;case'*':this.gcharset=2;break;case'+':this.gcharset=3;break;case'-':this.gcharset=1;break;case'.':this.gcharset=2;break;}this.state=charset;break;// Designate G3 Character Set (VT300).
// A = ISO Latin-1 Supplemental.
// Not implemented.
case'/':this.gcharset=3;this.state=charset;i--;break;// ESC N
// Single Shift Select of G2 Character Set
// ( SS2 is 0x8e). This affects next character only.
case'N':break;// ESC O
// Single Shift Select of G3 Character Set
// ( SS3 is 0x8f). This affects next character only.
case'O':break;// ESC n
// Invoke the G2 Character Set as GL (LS2).
case'n':this.setgLevel(2);break;// ESC o
// Invoke the G3 Character Set as GL (LS3).
case'o':this.setgLevel(3);break;// ESC |
// Invoke the G3 Character Set as GR (LS3R).
case'|':this.setgLevel(3);break;// ESC }
// Invoke the G2 Character Set as GR (LS2R).
case'}':this.setgLevel(2);break;// ESC ~
// Invoke the G1 Character Set as GR (LS1R).
case'~':this.setgLevel(1);break;// ESC 7 Save Cursor (DECSC).
case'7':this.saveCursor();this.state=normal;break;// ESC 8 Restore Cursor (DECRC).
case'8':this.restoreCursor();this.state=normal;break;// ESC # 3 DEC line height/width
case'#':this.state=normal;i++;break;// ESC H Tab Set (HTS is 0x88).
case'H':this.tabSet();break;// ESC = Application Keypad (DECKPAM).
case'=':this.log('Serial port requested application keypad.');this.applicationKeypad=true;this.viewport.syncScrollArea();this.state=normal;break;// ESC > Normal Keypad (DECKPNM).
case'>':this.log('Switching back to normal keypad.');this.applicationKeypad=false;this.viewport.syncScrollArea();this.state=normal;break;default:this.state=normal;this.error('Unknown ESC control: %s.',ch);break;}break;case charset:switch(ch){case'0':// DEC Special Character and Line Drawing Set.
cs=Terminal.charsets.SCLD;break;case'A':// UK
cs=Terminal.charsets.UK;break;case'B':// United States (USASCII).
cs=Terminal.charsets.US;break;case'4':// Dutch
cs=Terminal.charsets.Dutch;break;case'C':// Finnish
case'5':cs=Terminal.charsets.Finnish;break;case'R':// French
cs=Terminal.charsets.French;break;case'Q':// FrenchCanadian
cs=Terminal.charsets.FrenchCanadian;break;case'K':// German
cs=Terminal.charsets.German;break;case'Y':// Italian
cs=Terminal.charsets.Italian;break;case'E':// NorwegianDanish
case'6':cs=Terminal.charsets.NorwegianDanish;break;case'Z':// Spanish
cs=Terminal.charsets.Spanish;break;case'H':// Swedish
case'7':cs=Terminal.charsets.Swedish;break;case'=':// Swiss
cs=Terminal.charsets.Swiss;break;case'/':// ISOLatin (actually /A)
cs=Terminal.charsets.ISOLatin;i++;break;default:// Default
cs=Terminal.charsets.US;break;}this.setgCharset(this.gcharset,cs);this.gcharset=null;this.state=normal;break;case osc:// OSC Ps ; Pt ST
// OSC Ps ; Pt BEL
//   Set Text Parameters.
if(ch==='\x1b'||ch==='\x07'){if(ch==='\x1b')i++;this.params.push(this.currentParam);switch(this.params[0]){case 0:case 1:case 2:if(this.params[1]){this.title=this.params[1];this.handleTitle(this.title);}break;case 3:// set X property
break;case 4:case 5:// change dynamic colors
break;case 10:case 11:case 12:case 13:case 14:case 15:case 16:case 17:case 18:case 19:// change dynamic ui colors
break;case 46:// change log file
break;case 50:// dynamic font
break;case 51:// emacs shell
break;case 52:// manipulate selection data
break;case 104:case 105:case 110:case 111:case 112:case 113:case 114:case 115:case 116:case 117:case 118:// reset colors
break;}this.params=[];this.currentParam=0;this.state=normal;}else{if(!this.params.length){if(ch>='0'&&ch<='9'){this.currentParam=this.currentParam*10+ch.charCodeAt(0)-48;}else if(ch===';'){this.params.push(this.currentParam);this.currentParam='';}}else{this.currentParam+=ch;}}break;case csi:// '?', '>', '!'
if(ch==='?'||ch==='>'||ch==='!'){this.prefix=ch;break;}// 0 - 9
if(ch>='0'&&ch<='9'){this.currentParam=this.currentParam*10+ch.charCodeAt(0)-48;break;}// '$', '"', ' ', '\''
if(ch==='$'||ch==='"'||ch===' '||ch==='\''){this.postfix=ch;break;}this.params.push(this.currentParam);this.currentParam=0;// ';'
if(ch===';')break;this.state=normal;switch(ch){// CSI Ps A
// Cursor Up Ps Times (default = 1) (CUU).
case'A':this.cursorUp(this.params);break;// CSI Ps B
// Cursor Down Ps Times (default = 1) (CUD).
case'B':this.cursorDown(this.params);break;// CSI Ps C
// Cursor Forward Ps Times (default = 1) (CUF).
case'C':this.cursorForward(this.params);break;// CSI Ps D
// Cursor Backward Ps Times (default = 1) (CUB).
case'D':this.cursorBackward(this.params);break;// CSI Ps ; Ps H
// Cursor Position [row;column] (default = [1,1]) (CUP).
case'H':this.cursorPos(this.params);break;// CSI Ps J  Erase in Display (ED).
case'J':this.eraseInDisplay(this.params);break;// CSI Ps K  Erase in Line (EL).
case'K':this.eraseInLine(this.params);break;// CSI Pm m  Character Attributes (SGR).
case'm':if(!this.prefix){this.charAttributes(this.params);}break;// CSI Ps n  Device Status Report (DSR).
case'n':if(!this.prefix){this.deviceStatus(this.params);}break;/**
             * Additions
             */// CSI Ps @
// Insert Ps (Blank) Character(s) (default = 1) (ICH).
case'@':this.insertChars(this.params);break;// CSI Ps E
// Cursor Next Line Ps Times (default = 1) (CNL).
case'E':this.cursorNextLine(this.params);break;// CSI Ps F
// Cursor Preceding Line Ps Times (default = 1) (CNL).
case'F':this.cursorPrecedingLine(this.params);break;// CSI Ps G
// Cursor Character Absolute  [column] (default = [row,1]) (CHA).
case'G':this.cursorCharAbsolute(this.params);break;// CSI Ps L
// Insert Ps Line(s) (default = 1) (IL).
case'L':this.insertLines(this.params);break;// CSI Ps M
// Delete Ps Line(s) (default = 1) (DL).
case'M':this.deleteLines(this.params);break;// CSI Ps P
// Delete Ps Character(s) (default = 1) (DCH).
case'P':this.deleteChars(this.params);break;// CSI Ps X
// Erase Ps Character(s) (default = 1) (ECH).
case'X':this.eraseChars(this.params);break;// CSI Pm `  Character Position Absolute
//   [column] (default = [row,1]) (HPA).
case'`':this.charPosAbsolute(this.params);break;// 141 61 a * HPR -
// Horizontal Position Relative
case'a':this.HPositionRelative(this.params);break;// CSI P s c
// Send Device Attributes (Primary DA).
// CSI > P s c
// Send Device Attributes (Secondary DA)
case'c':this.sendDeviceAttributes(this.params);break;// CSI Pm d
// Line Position Absolute  [row] (default = [1,column]) (VPA).
case'd':this.linePosAbsolute(this.params);break;// 145 65 e * VPR - Vertical Position Relative
case'e':this.VPositionRelative(this.params);break;// CSI Ps ; Ps f
//   Horizontal and Vertical Position [row;column] (default =
//   [1,1]) (HVP).
case'f':this.HVPosition(this.params);break;// CSI Pm h  Set Mode (SM).
// CSI ? Pm h - mouse escape codes, cursor escape codes
case'h':this.setMode(this.params);break;// CSI Pm l  Reset Mode (RM).
// CSI ? Pm l
case'l':this.resetMode(this.params);break;// CSI Ps ; Ps r
//   Set Scrolling Region [top;bottom] (default = full size of win-
//   dow) (DECSTBM).
// CSI ? Pm r
case'r':this.setScrollRegion(this.params);break;// CSI s
//   Save cursor (ANSI.SYS).
case's':this.saveCursor(this.params);break;// CSI u
//   Restore cursor (ANSI.SYS).
case'u':this.restoreCursor(this.params);break;/**
             * Lesser Used
             */// CSI Ps I
// Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
case'I':this.cursorForwardTab(this.params);break;// CSI Ps S  Scroll up Ps lines (default = 1) (SU).
case'S':this.scrollUp(this.params);break;// CSI Ps T  Scroll down Ps lines (default = 1) (SD).
// CSI Ps ; Ps ; Ps ; Ps ; Ps T
// CSI > Ps; Ps T
case'T':// if (this.prefix === '>') {
//   this.resetTitleModes(this.params);
//   break;
// }
// if (this.params.length > 2) {
//   this.initMouseTracking(this.params);
//   break;
// }
if(this.params.length<2&&!this.prefix){this.scrollDown(this.params);}break;// CSI Ps Z
// Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
case'Z':this.cursorBackwardTab(this.params);break;// CSI Ps b  Repeat the preceding graphic character Ps times (REP).
case'b':this.repeatPrecedingCharacter(this.params);break;// CSI Ps g  Tab Clear (TBC).
case'g':this.tabClear(this.params);break;// CSI Pm i  Media Copy (MC).
// CSI ? Pm i
// case 'i':
//   this.mediaCopy(this.params);
//   break;
// CSI Pm m  Character Attributes (SGR).
// CSI > Ps; Ps m
// case 'm': // duplicate
//   if (this.prefix === '>') {
//     this.setResources(this.params);
//   } else {
//     this.charAttributes(this.params);
//   }
//   break;
// CSI Ps n  Device Status Report (DSR).
// CSI > Ps n
// case 'n': // duplicate
//   if (this.prefix === '>') {
//     this.disableModifiers(this.params);
//   } else {
//     this.deviceStatus(this.params);
//   }
//   break;
// CSI > Ps p  Set pointer mode.
// CSI ! p   Soft terminal reset (DECSTR).
// CSI Ps$ p
//   Request ANSI mode (DECRQM).
// CSI ? Ps$ p
//   Request DEC private mode (DECRQM).
// CSI Ps ; Ps " p
case'p':switch(this.prefix){// case '>':
//   this.setPointerMode(this.params);
//   break;
case'!':this.softReset(this.params);break;// case '?':
//   if (this.postfix === '$') {
//     this.requestPrivateMode(this.params);
//   }
//   break;
// default:
//   if (this.postfix === '"') {
//     this.setConformanceLevel(this.params);
//   } else if (this.postfix === '$') {
//     this.requestAnsiMode(this.params);
//   }
//   break;
}break;// CSI Ps q  Load LEDs (DECLL).
// CSI Ps SP q
// CSI Ps " q
// case 'q':
//   if (this.postfix === ' ') {
//     this.setCursorStyle(this.params);
//     break;
//   }
//   if (this.postfix === '"') {
//     this.setCharProtectionAttr(this.params);
//     break;
//   }
//   this.loadLEDs(this.params);
//   break;
// CSI Ps ; Ps r
//   Set Scrolling Region [top;bottom] (default = full size of win-
//   dow) (DECSTBM).
// CSI ? Pm r
// CSI Pt; Pl; Pb; Pr; Ps$ r
// case 'r': // duplicate
//   if (this.prefix === '?') {
//     this.restorePrivateValues(this.params);
//   } else if (this.postfix === '$') {
//     this.setAttrInRectangle(this.params);
//   } else {
//     this.setScrollRegion(this.params);
//   }
//   break;
// CSI s     Save cursor (ANSI.SYS).
// CSI ? Pm s
// case 's': // duplicate
//   if (this.prefix === '?') {
//     this.savePrivateValues(this.params);
//   } else {
//     this.saveCursor(this.params);
//   }
//   break;
// CSI Ps ; Ps ; Ps t
// CSI Pt; Pl; Pb; Pr; Ps$ t
// CSI > Ps; Ps t
// CSI Ps SP t
// case 't':
//   if (this.postfix === '$') {
//     this.reverseAttrInRectangle(this.params);
//   } else if (this.postfix === ' ') {
//     this.setWarningBellVolume(this.params);
//   } else {
//     if (this.prefix === '>') {
//       this.setTitleModeFeature(this.params);
//     } else {
//       this.manipulateWindow(this.params);
//     }
//   }
//   break;
// CSI u     Restore cursor (ANSI.SYS).
// CSI Ps SP u
// case 'u': // duplicate
//   if (this.postfix === ' ') {
//     this.setMarginBellVolume(this.params);
//   } else {
//     this.restoreCursor(this.params);
//   }
//   break;
// CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
// case 'v':
//   if (this.postfix === '$') {
//     this.copyRectagle(this.params);
//   }
//   break;
// CSI Pt ; Pl ; Pb ; Pr ' w
// case 'w':
//   if (this.postfix === '\'') {
//     this.enableFilterRectangle(this.params);
//   }
//   break;
// CSI Ps x  Request Terminal Parameters (DECREQTPARM).
// CSI Ps x  Select Attribute Change Extent (DECSACE).
// CSI Pc; Pt; Pl; Pb; Pr$ x
// case 'x':
//   if (this.postfix === '$') {
//     this.fillRectangle(this.params);
//   } else {
//     this.requestParameters(this.params);
//     //this.__(this.params);
//   }
//   break;
// CSI Ps ; Pu ' z
// CSI Pt; Pl; Pb; Pr$ z
// case 'z':
//   if (this.postfix === '\'') {
//     this.enableLocatorReporting(this.params);
//   } else if (this.postfix === '$') {
//     this.eraseRectangle(this.params);
//   }
//   break;
// CSI Pm ' {
// CSI Pt; Pl; Pb; Pr$ {
// case '{':
//   if (this.postfix === '\'') {
//     this.setLocatorEvents(this.params);
//   } else if (this.postfix === '$') {
//     this.selectiveEraseRectangle(this.params);
//   }
//   break;
// CSI Ps ' |
// case '|':
//   if (this.postfix === '\'') {
//     this.requestLocatorPosition(this.params);
//   }
//   break;
// CSI P m SP }
// Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
// case '}':
//   if (this.postfix === ' ') {
//     this.insertColumns(this.params);
//   }
//   break;
// CSI P m SP ~
// Delete P s Column(s) (default = 1) (DECDC), VT420 and up
// case '~':
//   if (this.postfix === ' ') {
//     this.deleteColumns(this.params);
//   }
//   break;
default:this.error('Unknown CSI code: %s.',ch);break;}this.prefix='';this.postfix='';break;case dcs:if(ch==='\x1b'||ch==='\x07'){if(ch==='\x1b')i++;switch(this.prefix){// User-Defined Keys (DECUDK).
case'':break;// Request Status String (DECRQSS).
// test: echo -e '\eP$q"p\e\\'
case'$q':var pt=this.currentParam,valid=false;switch(pt){// DECSCA
case'"q':pt='0"q';break;// DECSCL
case'"p':pt='61"p';break;// DECSTBM
case'r':pt=''+(this.scrollTop+1)+';'+(this.scrollBottom+1)+'r';break;// SGR
case'm':pt='0m';break;default:this.error('Unknown DCS Pt: %s.',pt);pt='';break;}this.send('\x1bP'+ +valid+'$r'+pt+'\x1b\\');break;// Set Termcap/Terminfo Data (xterm, experimental).
case'+p':break;// Request Termcap/Terminfo String (xterm, experimental)
// Regular xterm does not even respond to this sequence.
// This can cause a small glitch in vim.
// test: echo -ne '\eP+q6b64\e\\'
case'+q':var pt=this.currentParam,valid=false;this.send('\x1bP'+ +valid+'+r'+pt+'\x1b\\');break;default:this.error('Unknown DCS prefix: %s.',this.prefix);break;}this.currentParam=0;this.prefix='';this.state=normal;}else if(!this.currentParam){if(!this.prefix&&ch!=='$'&&ch!=='+'){this.currentParam=ch;}else if(this.prefix.length===2){this.currentParam=ch;}else{this.prefix+=ch;}}else{this.currentParam+=ch;}break;case ignore:// For PM and APC.
if(ch==='\x1b'||ch==='\x07'){if(ch==='\x1b')i++;this.state=normal;}break;}}this.updateRange(this.y);this.refresh(this.refreshStart,this.refreshEnd);};/**
 * Writes text to the terminal, followed by a break line character (\n).
 * @param {string} text The text to write to the terminal.
 */Terminal.prototype.writeln=function(data){this.write(data+'\r\n');};/**
 * Attaches a custom keydown handler which is run before keys are processed, giving consumers of
 * xterm.js ultimate control as to what keys should be processed by the terminal and what keys
 * should not.
 * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a
 *   function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent
 *   the default action. The function returns whether the event should be processed by xterm.js.
 */Terminal.prototype.attachCustomKeydownHandler=function(customKeydownHandler){this.customKeydownHandler=customKeydownHandler;};/**
 * Handle a keydown event
 * Key Resources:
 *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
 * @param {KeyboardEvent} ev The keydown event to be handled.
 */Terminal.prototype.keyDown=function(ev){// Scroll down to prompt, whenever the user presses a key.
if(this.ybase!==this.ydisp){this.scrollToBottom();}if(this.customKeydownHandler&&this.customKeydownHandler(ev)===false){return false;}if(!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)){return false;}var self=this;var result=this.evaluateKeyEscapeSequence(ev);if(result.scrollDisp){this.scrollDisp(result.scrollDisp);return this.cancel(ev,true);}if(isThirdLevelShift(this,ev)){return true;}if(result.cancel){// The event is canceled at the end already, is this necessary?
this.cancel(ev,true);}if(!result.key){return true;}this.emit('keydown',ev);this.emit('key',result.key,ev);this.showCursor();this.handler(result.key);return this.cancel(ev,true);};/**
 * Returns an object that determines how a KeyboardEvent should be handled. The key of the
 * returned value is the new key code to pass to the PTY.
 *
 * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
 * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.
 */Terminal.prototype.evaluateKeyEscapeSequence=function(ev){var result={// Whether to cancel event propogation (NOTE: this may not be needed since the event is
// canceled at the end of keyDown
cancel:false,// The new key even to emit
key:undefined,// The number of characters to scroll, if this is defined it will cancel the event
scrollDisp:undefined};var modifiers=ev.shiftKey<<0|ev.altKey<<1|ev.ctrlKey<<2|ev.metaKey<<3;switch(ev.keyCode){case 8:// backspace
if(ev.shiftKey){result.key='\x08';// ^H
break;}result.key='\x7f';// ^?
break;case 9:// tab
if(ev.shiftKey){result.key='\x1b[Z';break;}result.key='\t';result.cancel=true;break;case 13:// return/enter
result.key='\r';result.cancel=true;break;case 27:// escape
result.key='\x1b';result.cancel=true;break;case 37:// left-arrow
if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'D';// HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
// http://unix.stackexchange.com/a/108106
if(result.key=='\x1b[1;3D'){result.key='\x1b[1;5D';}}else if(this.applicationCursor){result.key='\x1bOD';}else{result.key='\x1b[D';}break;case 39:// right-arrow
if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'C';// HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
// http://unix.stackexchange.com/a/108106
if(result.key=='\x1b[1;3C'){result.key='\x1b[1;5C';}}else if(this.applicationCursor){result.key='\x1bOC';}else{result.key='\x1b[C';}break;case 38:// up-arrow
if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'A';// HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
// http://unix.stackexchange.com/a/108106
if(result.key=='\x1b[1;3A'){result.key='\x1b[1;5A';}}else if(this.applicationCursor){result.key='\x1bOA';}else{result.key='\x1b[A';}break;case 40:// down-arrow
if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'B';// HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
// http://unix.stackexchange.com/a/108106
if(result.key=='\x1b[1;3B'){result.key='\x1b[1;5B';}}else if(this.applicationCursor){result.key='\x1bOB';}else{result.key='\x1b[B';}break;case 45:// insert
if(!ev.shiftKey&&!ev.ctrlKey){// <Ctrl> or <Shift> + <Insert> are used to
// copy-paste on some systems.
result.key='\x1b[2~';}break;case 46:// delete
if(modifiers){result.key='\x1b[3;'+(modifiers+1)+'~';}else{result.key='\x1b[3~';}break;case 36:// home
if(modifiers)result.key='\x1b[1;'+(modifiers+1)+'H';else if(this.applicationCursor)result.key='\x1bOH';else result.key='\x1b[H';break;case 35:// end
if(modifiers)result.key='\x1b[1;'+(modifiers+1)+'F';else if(this.applicationCursor)result.key='\x1bOF';else result.key='\x1b[F';break;case 33:// page up
if(ev.shiftKey){result.scrollDisp=-(this.rows-1);}else{result.key='\x1b[5~';}break;case 34:// page down
if(ev.shiftKey){result.scrollDisp=this.rows-1;}else{result.key='\x1b[6~';}break;case 112:// F1-F12
if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'P';}else{result.key='\x1bOP';}break;case 113:if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'Q';}else{result.key='\x1bOQ';}break;case 114:if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'R';}else{result.key='\x1bOR';}break;case 115:if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'S';}else{result.key='\x1bOS';}break;case 116:if(modifiers){result.key='\x1b[15;'+(modifiers+1)+'~';}else{result.key='\x1b[15~';}break;case 117:if(modifiers){result.key='\x1b[17;'+(modifiers+1)+'~';}else{result.key='\x1b[17~';}break;case 118:if(modifiers){result.key='\x1b[18;'+(modifiers+1)+'~';}else{result.key='\x1b[18~';}break;case 119:if(modifiers){result.key='\x1b[19;'+(modifiers+1)+'~';}else{result.key='\x1b[19~';}break;case 120:if(modifiers){result.key='\x1b[20;'+(modifiers+1)+'~';}else{result.key='\x1b[20~';}break;case 121:if(modifiers){result.key='\x1b[21;'+(modifiers+1)+'~';}else{result.key='\x1b[21~';}break;case 122:if(modifiers){result.key='\x1b[23;'+(modifiers+1)+'~';}else{result.key='\x1b[23~';}break;case 123:if(modifiers){result.key='\x1b[24;'+(modifiers+1)+'~';}else{result.key='\x1b[24~';}break;default:// a-z and space
if(ev.ctrlKey&&!ev.shiftKey&&!ev.altKey&&!ev.metaKey){if(ev.keyCode>=65&&ev.keyCode<=90){result.key=String.fromCharCode(ev.keyCode-64);}else if(ev.keyCode===32){// NUL
result.key=String.fromCharCode(0);}else if(ev.keyCode>=51&&ev.keyCode<=55){// escape, file sep, group sep, record sep, unit sep
result.key=String.fromCharCode(ev.keyCode-51+27);}else if(ev.keyCode===56){// delete
result.key=String.fromCharCode(127);}else if(ev.keyCode===219){// ^[ - escape
result.key=String.fromCharCode(27);}else if(ev.keyCode===221){// ^] - group sep
result.key=String.fromCharCode(29);}}else if(!this.browser.isMac&&ev.altKey&&!ev.ctrlKey&&!ev.metaKey){// On Mac this is a third level shift. Use <Esc> instead.
if(ev.keyCode>=65&&ev.keyCode<=90){result.key='\x1b'+String.fromCharCode(ev.keyCode+32);}else if(ev.keyCode===192){result.key='\x1b`';}else if(ev.keyCode>=48&&ev.keyCode<=57){result.key='\x1b'+(ev.keyCode-48);}}break;}return result;};/**
 * Set the G level of the terminal
 * @param g
 */Terminal.prototype.setgLevel=function(g){this.glevel=g;this.charset=this.charsets[g];};/**
 * Set the charset for the given G level of the terminal
 * @param g
 * @param charset
 */Terminal.prototype.setgCharset=function(g,charset){this.charsets[g]=charset;if(this.glevel===g){this.charset=charset;}};/**
 * Handle a keypress event.
 * Key Resources:
 *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
 * @param {KeyboardEvent} ev The keypress event to be handled.
 */Terminal.prototype.keyPress=function(ev){var key;this.cancel(ev);if(ev.charCode){key=ev.charCode;}else if(ev.which==null){key=ev.keyCode;}else if(ev.which!==0&&ev.charCode!==0){key=ev.which;}else{return false;}if(!key||(ev.altKey||ev.ctrlKey||ev.metaKey)&&!isThirdLevelShift(this,ev)){return false;}key=String.fromCharCode(key);this.emit('keypress',key,ev);this.emit('key',key,ev);this.showCursor();this.handler(key);return false;};/**
 * Send data for handling to the terminal
 * @param {string} data
 */Terminal.prototype.send=function(data){var self=this;if(!this.queue){setTimeout(function(){self.handler(self.queue);self.queue='';},1);}this.queue+=data;};/**
 * Ring the bell.
 * Note: We could do sweet things with webaudio here
 */Terminal.prototype.bell=function(){if(!this.visualBell)return;var self=this;this.element.style.borderColor='white';setTimeout(function(){self.element.style.borderColor='';},10);if(this.popOnBell)this.focus();};/**
 * Log the current state to the console.
 */Terminal.prototype.log=function(){if(!this.debug)return;if(!this.context.console||!this.context.console.log)return;var args=Array.prototype.slice.call(arguments);this.context.console.log.apply(this.context.console,args);};/**
 * Log the current state as error to the console.
 */Terminal.prototype.error=function(){if(!this.debug)return;if(!this.context.console||!this.context.console.error)return;var args=Array.prototype.slice.call(arguments);this.context.console.error.apply(this.context.console,args);};/**
 * Resizes the terminal.
 *
 * @param {number} x The number of columns to resize to.
 * @param {number} y The number of rows to resize to.
 */Terminal.prototype.resize=function(x,y){var line,el,i,j,ch,addToY;if(x===this.cols&&y===this.rows){return;}if(x<1)x=1;if(y<1)y=1;// resize cols
j=this.cols;if(j<x){ch=[this.defAttr,' ',1];// does xterm use the default attr?
i=this.lines.length;while(i--){while(this.lines[i].length<x){this.lines[i].push(ch);}}}else{// (j > x)
i=this.lines.length;while(i--){while(this.lines[i].length>x){this.lines[i].pop();}}}this.setupStops(j);this.cols=x;// resize rows
j=this.rows;addToY=0;if(j<y){el=this.element;while(j++<y){// y is rows, not this.y
if(this.lines.length<y+this.ybase){if(this.ybase>0&&this.lines.length<=this.ybase+this.y+addToY+1){// There is room above the buffer and there are no empty elements below the line,
// scroll up
this.ybase--;addToY++;if(this.ydisp>0){// Viewport is at the top of the buffer, must increase downwards
this.ydisp--;}}else{// Add a blank line if there is no buffer left at the top to scroll to, or if there
// are blank lines after the cursor
this.lines.push(this.blankLine());}}if(this.children.length<y){this.insertRow();}}}else{// (j > y)
while(j-->y){if(this.lines.length>y+this.ybase){if(this.lines.length>this.ybase+this.y+1){// The line is a blank line below the cursor, remove it
this.lines.pop();}else{// The line is the cursor, scroll down
this.ybase++;this.ydisp++;}}if(this.children.length>y){el=this.children.shift();if(!el)continue;el.parentNode.removeChild(el);}}}this.rows=y;// Make sure that the cursor stays on screen
if(this.y>=y){this.y=y-1;}if(addToY){this.y+=addToY;}if(this.x>=x){this.x=x-1;}this.scrollTop=0;this.scrollBottom=y-1;this.refresh(0,this.rows-1);this.normal=null;this.geometry=[this.cols,this.rows];this.emit('resize',{terminal:this,cols:x,rows:y});};/**
 * Updates the range of rows to refresh
 * @param {number} y The number of rows to refresh next.
 */Terminal.prototype.updateRange=function(y){if(y<this.refreshStart)this.refreshStart=y;if(y>this.refreshEnd)this.refreshEnd=y;// if (y > this.refreshEnd) {
//   this.refreshEnd = y;
//   if (y > this.rows - 1) {
//     this.refreshEnd = this.rows - 1;
//   }
// }
};/**
 * Set the range of refreshing to the maximum value
 */Terminal.prototype.maxRange=function(){this.refreshStart=0;this.refreshEnd=this.rows-1;};/**
 * Setup the tab stops.
 * @param {number} i
 */Terminal.prototype.setupStops=function(i){if(i!=null){if(!this.tabs[i]){i=this.prevStop(i);}}else{this.tabs={};i=0;}for(;i<this.cols;i+=8){this.tabs[i]=true;}};/**
 * Move the cursor to the previous tab stop from the given position (default is current).
 * @param {number} x The position to move the cursor to the previous tab stop.
 */Terminal.prototype.prevStop=function(x){if(x==null)x=this.x;while(!this.tabs[--x]&&x>0){}return x>=this.cols?this.cols-1:x<0?0:x;};/**
 * Move the cursor one tab stop forward from the given position (default is current).
 * @param {number} x The position to move the cursor one tab stop forward.
 */Terminal.prototype.nextStop=function(x){if(x==null)x=this.x;while(!this.tabs[++x]&&x<this.cols){}return x>=this.cols?this.cols-1:x<0?0:x;};/**
 * Erase in the identified line everything from "x" to the end of the line (right).
 * @param {number} x The column from which to start erasing to the end of the line.
 * @param {number} y The line in which to operate.
 */Terminal.prototype.eraseRight=function(x,y){var line=this.lines[this.ybase+y],ch=[this.eraseAttr(),' ',1];// xterm
for(;x<this.cols;x++){line[x]=ch;}this.updateRange(y);};/**
 * Erase in the identified line everything from "x" to the start of the line (left).
 * @param {number} x The column from which to start erasing to the start of the line.
 * @param {number} y The line in which to operate.
 */Terminal.prototype.eraseLeft=function(x,y){var line=this.lines[this.ybase+y],ch=[this.eraseAttr(),' ',1];// xterm
x++;while(x--){line[x]=ch;}this.updateRange(y);};/**
 * Clears the entire buffer, making the prompt line the new first line.
 */Terminal.prototype.clear=function(){if(this.ybase===0&&this.y===0){// Don't clear if it's already clear
return;}this.lines=[this.lines[this.ybase+this.y]];this.ydisp=0;this.ybase=0;this.y=0;for(var i=1;i<this.rows;i++){this.lines.push(this.blankLine());}this.refresh(0,this.rows-1);this.emit('scroll',this.ydisp);};/**
 * Erase all content in the given line
 * @param {number} y The line to erase all of its contents.
 */Terminal.prototype.eraseLine=function(y){this.eraseRight(0,y);};/**
 * Return the data array of a blank line/
 * @param {number} cur First bunch of data for each "blank" character.
 */Terminal.prototype.blankLine=function(cur){var attr=cur?this.eraseAttr():this.defAttr;var ch=[attr,' ',1]// width defaults to 1 halfwidth character
,line=[],i=0;for(;i<this.cols;i++){line[i]=ch;}return line;};/**
 * If cur return the back color xterm feature attribute. Else return defAttr.
 * @param {object} cur
 */Terminal.prototype.ch=function(cur){return cur?[this.eraseAttr(),' ',1]:[this.defAttr,' ',1];};/**
 * Evaluate if the current erminal is the given argument.
 * @param {object} term The terminal to evaluate
 */Terminal.prototype.is=function(term){var name=this.termName;return(name+'').indexOf(term)===0;};/**
 * Emit the 'data' event and populate the given data.
 * @param {string} data The data to populate in the event.
 */Terminal.prototype.handler=function(data){this.emit('data',data);};/**
 * Emit the 'title' event and populate the given title.
 * @param {string} title The title to populate in the event.
 */Terminal.prototype.handleTitle=function(title){this.emit('title',title);};/**
 * ESC
 *//**
 * ESC D Index (IND is 0x84).
 */Terminal.prototype.index=function(){this.y++;if(this.y>this.scrollBottom){this.y--;this.scroll();}this.state=normal;};/**
 * ESC M Reverse Index (RI is 0x8d).
 */Terminal.prototype.reverseIndex=function(){var j;this.y--;if(this.y<this.scrollTop){this.y++;// possibly move the code below to term.reverseScroll();
// test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
// blankLine(true) is xterm/linux behavior
this.lines.splice(this.y+this.ybase,0,this.blankLine(true));j=this.rows-1-this.scrollBottom;this.lines.splice(this.rows-1+this.ybase-j+1,1);// this.maxRange();
this.updateRange(this.scrollTop);this.updateRange(this.scrollBottom);}this.state=normal;};/**
 * ESC c Full Reset (RIS).
 */Terminal.prototype.reset=function(){this.options.rows=this.rows;this.options.cols=this.cols;var customKeydownHandler=this.customKeydownHandler;Terminal.call(this,this.options);this.customKeydownHandler=customKeydownHandler;this.refresh(0,this.rows-1);this.viewport.syncScrollArea();};/**
 * ESC H Tab Set (HTS is 0x88).
 */Terminal.prototype.tabSet=function(){this.tabs[this.x]=true;this.state=normal;};/**
 * CSI
 *//**
 * CSI Ps A
 * Cursor Up Ps Times (default = 1) (CUU).
 */Terminal.prototype.cursorUp=function(params){var param=params[0];if(param<1)param=1;this.y-=param;if(this.y<0)this.y=0;};/**
 * CSI Ps B
 * Cursor Down Ps Times (default = 1) (CUD).
 */Terminal.prototype.cursorDown=function(params){var param=params[0];if(param<1)param=1;this.y+=param;if(this.y>=this.rows){this.y=this.rows-1;}};/**
 * CSI Ps C
 * Cursor Forward Ps Times (default = 1) (CUF).
 */Terminal.prototype.cursorForward=function(params){var param=params[0];if(param<1)param=1;this.x+=param;if(this.x>=this.cols){this.x=this.cols-1;}};/**
 * CSI Ps D
 * Cursor Backward Ps Times (default = 1) (CUB).
 */Terminal.prototype.cursorBackward=function(params){var param=params[0];if(param<1)param=1;this.x-=param;if(this.x<0)this.x=0;};/**
 * CSI Ps ; Ps H
 * Cursor Position [row;column] (default = [1,1]) (CUP).
 */Terminal.prototype.cursorPos=function(params){var row,col;row=params[0]-1;if(params.length>=2){col=params[1]-1;}else{col=0;}if(row<0){row=0;}else if(row>=this.rows){row=this.rows-1;}if(col<0){col=0;}else if(col>=this.cols){col=this.cols-1;}this.x=col;this.y=row;};/**
 * 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.
 */Terminal.prototype.eraseInDisplay=function(params){var j;switch(params[0]){case 0:this.eraseRight(this.x,this.y);j=this.y+1;for(;j<this.rows;j++){this.eraseLine(j);}break;case 1:this.eraseLeft(this.x,this.y);j=this.y;while(j--){this.eraseLine(j);}break;case 2:j=this.rows;while(j--){this.eraseLine(j);}break;case 3:;// no saved lines
break;}};/**
 * 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.
 */Terminal.prototype.eraseInLine=function(params){switch(params[0]){case 0:this.eraseRight(this.x,this.y);break;case 1:this.eraseLeft(this.x,this.y);break;case 2:this.eraseLine(this.y);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.
 */Terminal.prototype.charAttributes=function(params){// Optimize a single SGR0.
if(params.length===1&&params[0]===0){this.curAttr=this.defAttr;return;}var l=params.length,i=0,flags=this.curAttr>>18,fg=this.curAttr>>9&0x1ff,bg=this.curAttr&0x1ff,p;for(;i<l;i++){p=params[i];if(p>=30&&p<=37){// fg color 8
fg=p-30;}else if(p>=40&&p<=47){// bg color 8
bg=p-40;}else if(p>=90&&p<=97){// fg color 16
p+=8;fg=p-90;}else if(p>=100&&p<=107){// bg color 16
p+=8;bg=p-100;}else if(p===0){// default
flags=this.defAttr>>18;fg=this.defAttr>>9&0x1ff;bg=this.defAttr&0x1ff;// flags = 0;
// fg = 0x1ff;
// bg = 0x1ff;
}else if(p===1){// bold text
flags|=1;}else if(p===4){// underlined text
flags|=2;}else if(p===5){// blink
flags|=4;}else if(p===7){// inverse and positive
// test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
flags|=8;}else if(p===8){// invisible
flags|=16;}else if(p===22){// not bold
flags&=~1;}else if(p===24){// not underlined
flags&=~2;}else if(p===25){// not blink
flags&=~4;}else if(p===27){// not inverse
flags&=~8;}else if(p===28){// not invisible
flags&=~16;}else if(p===39){// reset fg
fg=this.defAttr>>9&0x1ff;}else if(p===49){// reset bg
bg=this.defAttr&0x1ff;}else if(p===38){// fg color 256
if(params[i+1]===2){i+=2;fg=matchColor(params[i]&0xff,params[i+1]&0xff,params[i+2]&0xff);if(fg===-1)fg=0x1ff;i+=2;}else if(params[i+1]===5){i+=2;p=params[i]&0xff;fg=p;}}else if(p===48){// bg color 256
if(params[i+1]===2){i+=2;bg=matchColor(params[i]&0xff,params[i+1]&0xff,params[i+2]&0xff);if(bg===-1)bg=0x1ff;i+=2;}else if(params[i+1]===5){i+=2;p=params[i]&0xff;bg=p;}}else if(p===100){// reset fg/bg
fg=this.defAttr>>9&0x1ff;bg=this.defAttr&0x1ff;}else{this.error('Unknown SGR attribute: %d.',p);}}this.curAttr=flags<<18|fg<<9|bg;};/**
 * 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.
 */Terminal.prototype.deviceStatus=function(params){if(!this.prefix){switch(params[0]){case 5:// status report
this.send('\x1b[0n');break;case 6:// cursor position
this.send('\x1b['+(this.y+1)+';'+(this.x+1)+'R');break;}}else if(this.prefix==='?'){// modern xterm doesnt seem to
// respond to any of these except ?6, 6, and 5
switch(params[0]){case 6:// cursor position
this.send('\x1b[?'+(this.y+1)+';'+(this.x+1)+'R');break;case 15:// no printer
// this.send('\x1b[?11n');
break;case 25:// dont support user defined keys
// this.send('\x1b[?21n');
break;case 26:// north american keyboard
// this.send('\x1b[?27;1;0;0n');
break;case 53:// no dec locator/mouse
// this.send('\x1b[?50n');
break;}}};/**
 * Additions
 *//**
 * CSI Ps @
 * Insert Ps (Blank) Character(s) (default = 1) (ICH).
 */Terminal.prototype.insertChars=function(params){var param,row,j,ch;param=params[0];if(param<1)param=1;row=this.y+this.ybase;j=this.x;ch=[this.eraseAttr(),' ',1];// xterm
while(param--&&j<this.cols){this.lines[row].splice(j++,0,ch);this.lines[row].pop();}};/**
 * CSI Ps E
 * Cursor Next Line Ps Times (default = 1) (CNL).
 * same as CSI Ps B ?
 */Terminal.prototype.cursorNextLine=function(params){var param=params[0];if(param<1)param=1;this.y+=param;if(this.y>=this.rows){this.y=this.rows-1;}this.x=0;};/**
 * CSI Ps F
 * Cursor Preceding Line Ps Times (default = 1) (CNL).
 * reuse CSI Ps A ?
 */Terminal.prototype.cursorPrecedingLine=function(params){var param=params[0];if(param<1)param=1;this.y-=param;if(this.y<0)this.y=0;this.x=0;};/**
 * CSI Ps G
 * Cursor Character Absolute  [column] (default = [row,1]) (CHA).
 */Terminal.prototype.cursorCharAbsolute=function(params){var param=params[0];if(param<1)param=1;this.x=param-1;};/**
 * CSI Ps L
 * Insert Ps Line(s) (default = 1) (IL).
 */Terminal.prototype.insertLines=function(params){var param,row,j;param=params[0];if(param<1)param=1;row=this.y+this.ybase;j=this.rows-1-this.scrollBottom;j=this.rows-1+this.ybase-j+1;while(param--){// test: echo -e '\e[44m\e[1L\e[0m'
// blankLine(true) - xterm/linux behavior
this.lines.splice(row,0,this.blankLine(true));this.lines.splice(j,1);}// this.maxRange();
this.updateRange(this.y);this.updateRange(this.scrollBottom);};/**
 * CSI Ps M
 * Delete Ps Line(s) (default = 1) (DL).
 */Terminal.prototype.deleteLines=function(params){var param,row,j;param=params[0];if(param<1)param=1;row=this.y+this.ybase;j=this.rows-1-this.scrollBottom;j=this.rows-1+this.ybase-j;while(param--){// test: echo -e '\e[44m\e[1M\e[0m'
// blankLine(true) - xterm/linux behavior
this.lines.splice(j+1,0,this.blankLine(true));this.lines.splice(row,1);}// this.maxRange();
this.updateRange(this.y);this.updateRange(this.scrollBottom);};/**
 * CSI Ps P
 * Delete Ps Character(s) (default = 1) (DCH).
 */Terminal.prototype.deleteChars=function(params){var param,row,ch;param=params[0];if(param<1)param=1;row=this.y+this.ybase;ch=[this.eraseAttr(),' ',1];// xterm
while(param--){this.lines[row].splice(this.x,1);this.lines[row].push(ch);}};/**
 * CSI Ps X
 * Erase Ps Character(s) (default = 1) (ECH).
 */Terminal.prototype.eraseChars=function(params){var param,row,j,ch;param=params[0];if(param<1)param=1;row=this.y+this.ybase;j=this.x;ch=[this.eraseAttr(),' ',1];// xterm
while(param--&&j<this.cols){this.lines[row][j++]=ch;}};/**
 * CSI Pm `  Character Position Absolute
 *   [column] (default = [row,1]) (HPA).
 */Terminal.prototype.charPosAbsolute=function(params){var param=params[0];if(param<1)param=1;this.x=param-1;if(this.x>=this.cols){this.x=this.cols-1;}};/**
 * 141 61 a * HPR -
 * Horizontal Position Relative
 * reuse CSI Ps C ?
 */Terminal.prototype.HPositionRelative=function(params){var param=params[0];if(param<1)param=1;this.x+=param;if(this.x>=this.cols){this.x=this.cols-1;}};/**
 * 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 (?)
 */Terminal.prototype.sendDeviceAttributes=function(params){if(params[0]>0)return;if(!this.prefix){if(this.is('xterm')||this.is('rxvt-unicode')||this.is('screen')){this.send('\x1b[?1;2c');}else if(this.is('linux')){this.send('\x1b[?6c');}}else if(this.prefix==='>'){// xterm and urxvt
// seem to spit this
// out around ~370 times (?).
if(this.is('xterm')){this.send('\x1b[>0;276;0c');}else if(this.is('rxvt-unicode')){this.send('\x1b[>85;95;0c');}else if(this.is('linux')){// not supported by linux console.
// linux console echoes parameters.
this.send(params[0]+'c');}else if(this.is('screen')){this.send('\x1b[>83;40003;0c');}}};/**
 * CSI Pm d
 * Line Position Absolute  [row] (default = [1,column]) (VPA).
 */Terminal.prototype.linePosAbsolute=function(params){var param=params[0];if(param<1)param=1;this.y=param-1;if(this.y>=this.rows){this.y=this.rows-1;}};/**
 * 145 65 e * VPR - Vertical Position Relative
 * reuse CSI Ps B ?
 */Terminal.prototype.VPositionRelative=function(params){var param=params[0];if(param<1)param=1;this.y+=param;if(this.y>=this.rows){this.y=this.rows-1;}};/**
 * CSI Ps ; Ps f
 *   Horizontal and Vertical Position [row;column] (default =
 *   [1,1]) (HVP).
 */Terminal.prototype.HVPosition=function(params){if(params[0]<1)params[0]=1;if(params[1]<1)params[1]=1;this.y=params[0]-1;if(this.y>=this.rows){this.y=this.rows-1;}this.x=params[1]-1;if(this.x>=this.cols){this.x=this.cols-1;}};/**
 * 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
 */Terminal.prototype.setMode=function(params){if((typeof params==='undefined'?'undefined':_typeof(params))==='object'){var l=params.length,i=0;for(;i<l;i++){this.setMode(params[i]);}return;}if(!this.prefix){switch(params){case 4:this.insertMode=true;break;case 20://this.convertEol = true;
break;}}else if(this.prefix==='?'){switch(params){case 1:this.applicationCursor=true;break;case 2:this.setgCharset(0,Terminal.charsets.US);this.setgCharset(1,Terminal.charsets.US);this.setgCharset(2,Terminal.charsets.US);this.setgCharset(3,Terminal.charsets.US);// set VT100 mode here
break;case 3:// 132 col mode
this.savedCols=this.cols;this.resize(132,this.rows);break;case 6:this.originMode=true;break;case 7:this.wraparoundMode=true;break;case 12:// this.cursorBlink = true;
break;case 66:this.log('Serial port requested application keypad.');this.applicationKeypad=true;this.viewport.syncScrollArea();break;case 9:// X10 Mouse
// no release, no motion, no wheel, no modifiers.
case 1000:// vt200 mouse
// no motion.
// no modifiers, except control on the wheel.
case 1002:// button event mouse
case 1003:// any event mouse
// any event - sends motion events,
// even if there is no button held down.
this.x10Mouse=params===9;this.vt200Mouse=params===1000;this.normalMouse=params>1000;this.mouseEvents=true;this.element.style.cursor='default';this.log('Binding to mouse events.');break;case 1004:// send focusin/focusout events
// focusin: ^[[I
// focusout: ^[[O
this.sendFocus=true;break;case 1005:// utf8 ext mode mouse
this.utfMouse=true;// for wide terminals
// simply encodes large values as utf8 characters
break;case 1006:// sgr ext mode mouse
this.sgrMouse=true;// for wide terminals
// does not add 32 to fields
// press: ^[[<b;x;yM
// release: ^[[<b;x;ym
break;case 1015:// urxvt ext mode mouse
this.urxvtMouse=true;// for wide terminals
// numbers for fields
// press: ^[[b;x;yM
// motion: ^[[b;x;yT
break;case 25:// show cursor
this.cursorHidden=false;break;case 1049:// alt screen buffer cursor
//this.saveCursor();
;// FALL-THROUGH
case 47:// alt screen buffer
case 1047:// alt screen buffer
if(!this.normal){var normal={lines:this.lines,ybase:this.ybase,ydisp:this.ydisp,x:this.x,y:this.y,scrollTop:this.scrollTop,scrollBottom:this.scrollBottom,tabs:this.tabs// XXX save charset(s) here?
// charset: this.charset,
// glevel: this.glevel,
// charsets: this.charsets
};this.reset();this.normal=normal;this.showCursor();}break;}}};/**
 * 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.
 */Terminal.prototype.resetMode=function(params){if((typeof params==='undefined'?'undefined':_typeof(params))==='object'){var l=params.length,i=0;for(;i<l;i++){this.resetMode(params[i]);}return;}if(!this.prefix){switch(params){case 4:this.insertMode=false;break;case 20://this.convertEol = false;
break;}}else if(this.prefix==='?'){switch(params){case 1:this.applicationCursor=false;break;case 3:if(this.cols===132&&this.savedCols){this.resize(this.savedCols,this.rows);}delete this.savedCols;break;case 6:this.originMode=false;break;case 7:this.wraparoundMode=false;break;case 12:// this.cursorBlink = false;
break;case 66:this.log('Switching back to normal keypad.');this.applicationKeypad=false;this.viewport.syncScrollArea();break;case 9:// X10 Mouse
case 1000:// vt200 mouse
case 1002:// button event mouse
case 1003:// any event mouse
this.x10Mouse=false;this.vt200Mouse=false;this.normalMouse=false;this.mouseEvents=false;this.element.style.cursor='';break;case 1004:// send focusin/focusout events
this.sendFocus=false;break;case 1005:// utf8 ext mode mouse
this.utfMouse=false;break;case 1006:// sgr ext mode mouse
this.sgrMouse=false;break;case 1015:// urxvt ext mode mouse
this.urxvtMouse=false;break;case 25:// hide cursor
this.cursorHidden=true;break;case 1049:// alt screen buffer cursor
;// FALL-THROUGH
case 47:// normal screen buffer
case 1047:// normal screen buffer - clearing it first
if(this.normal){this.lines=this.normal.lines;this.ybase=this.normal.ybase;this.ydisp=this.normal.ydisp;this.x=this.normal.x;this.y=this.normal.y;this.scrollTop=this.normal.scrollTop;this.scrollBottom=this.normal.scrollBottom;this.tabs=this.normal.tabs;this.normal=null;// if (params === 1049) {
//   this.x = this.savedX;
//   this.y = this.savedY;
// }
this.refresh(0,this.rows-1);this.showCursor();}break;}}};/**
 * CSI Ps ; Ps r
 *   Set Scrolling Region [top;bottom] (default = full size of win-
 *   dow) (DECSTBM).
 * CSI ? Pm r
 */Terminal.prototype.setScrollRegion=function(params){if(this.prefix)return;this.scrollTop=(params[0]||1)-1;this.scrollBottom=(params[1]||this.rows)-1;this.x=0;this.y=0;};/**
 * CSI s
 *   Save cursor (ANSI.SYS).
 */Terminal.prototype.saveCursor=function(params){this.savedX=this.x;this.savedY=this.y;};/**
 * CSI u
 *   Restore cursor (ANSI.SYS).
 */Terminal.prototype.restoreCursor=function(params){this.x=this.savedX||0;this.y=this.savedY||0;};/**
 * Lesser Used
 *//**
 * CSI Ps I
 *   Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
 */Terminal.prototype.cursorForwardTab=function(params){var param=params[0]||1;while(param--){this.x=this.nextStop();}};/**
 * CSI Ps S  Scroll up Ps lines (default = 1) (SU).
 */Terminal.prototype.scrollUp=function(params){var param=params[0]||1;while(param--){this.lines.splice(this.ybase+this.scrollTop,1);this.lines.splice(this.ybase+this.scrollBottom,0,this.blankLine());}// this.maxRange();
this.updateRange(this.scrollTop);this.updateRange(this.scrollBottom);};/**
 * CSI Ps T  Scroll down Ps lines (default = 1) (SD).
 */Terminal.prototype.scrollDown=function(params){var param=params[0]||1;while(param--){this.lines.splice(this.ybase+this.scrollBottom,1);this.lines.splice(this.ybase+this.scrollTop,0,this.blankLine());}// this.maxRange();
this.updateRange(this.scrollTop);this.updateRange(this.scrollBottom);};/**
 * CSI Ps ; Ps ; Ps ; Ps ; Ps T
 *   Initiate highlight mouse tracking.  Parameters are
 *   [func;startx;starty;firstrow;lastrow].  See the section Mouse
 *   Tracking.
 */Terminal.prototype.initMouseTracking=function(params){// Relevant: DECSET 1001
};/**
 * CSI > Ps; Ps T
 *   Reset one or more features of the title modes to the default
 *   value.  Normally, "reset" disables the feature.  It is possi-
 *   ble to disable the ability to reset features by compiling a
 *   different default for the title modes into xterm.
 *     Ps = 0  -> Do not set window/icon labels using hexadecimal.
 *     Ps = 1  -> Do not query window/icon labels using hexadeci-
 *     mal.
 *     Ps = 2  -> Do not set window/icon labels using UTF-8.
 *     Ps = 3  -> Do not query window/icon labels using UTF-8.
 *   (See discussion of "Title Modes").
 */Terminal.prototype.resetTitleModes=function(params){;};/**
 * CSI Ps Z  Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
 */Terminal.prototype.cursorBackwardTab=function(params){var param=params[0]||1;while(param--){this.x=this.prevStop();}};/**
 * CSI Ps b  Repeat the preceding graphic character Ps times (REP).
 */Terminal.prototype.repeatPrecedingCharacter=function(params){var param=params[0]||1,line=this.lines[this.ybase+this.y],ch=line[this.x-1]||[this.defAttr,' ',1];while(param--){line[this.x++]=ch;}};/**
 * CSI Ps g  Tab Clear (TBC).
 *     Ps = 0  -> Clear Current Column (default).
 *     Ps = 3  -> Clear All.
 * Potentially:
 *   Ps = 2  -> Clear Stops on Line.
 *   http://vt100.net/annarbor/aaa-ug/section6.html
 */Terminal.prototype.tabClear=function(params){var param=params[0];if(param<=0){delete this.tabs[this.x];}else if(param===3){this.tabs={};}};/**
 * CSI Pm i  Media Copy (MC).
 *     Ps = 0  -> Print screen (default).
 *     Ps = 4  -> Turn off printer controller mode.
 *     Ps = 5  -> Turn on printer controller mode.
 * CSI ? Pm i
 *   Media Copy (MC, DEC-specific).
 *     Ps = 1  -> Print line containing cursor.
 *     Ps = 4  -> Turn off autoprint mode.
 *     Ps = 5  -> Turn on autoprint mode.
 *     Ps = 1  0  -> Print composed display, ignores DECPEX.
 *     Ps = 1  1  -> Print all pages.
 */Terminal.prototype.mediaCopy=function(params){;};/**
 * CSI > Ps; Ps m
 *   Set or reset resource-values used by xterm to decide whether
 *   to construct escape sequences holding information about the
 *   modifiers pressed with a given key.  The first parameter iden-
 *   tifies the resource to set/reset.  The second parameter is the
 *   value to assign to the resource.  If the second parameter is
 *   omitted, the resource is reset to its initial value.
 *     Ps = 1  -> modifyCursorKeys.
 *     Ps = 2  -> modifyFunctionKeys.
 *     Ps = 4  -> modifyOtherKeys.
 *   If no parameters are given, all resources are reset to their
 *   initial values.
 */Terminal.prototype.setResources=function(params){;};/**
 * CSI > Ps n
 *   Disable modifiers which may be enabled via the CSI > Ps; Ps m
 *   sequence.  This corresponds to a resource value of "-1", which
 *   cannot be set with the other sequence.  The parameter identi-
 *   fies the resource to be disabled:
 *     Ps = 1  -> modifyCursorKeys.
 *     Ps = 2  -> modifyFunctionKeys.
 *     Ps = 4  -> modifyOtherKeys.
 *   If the parameter is omitted, modifyFunctionKeys is disabled.
 *   When modifyFunctionKeys is disabled, xterm uses the modifier
 *   keys to make an extended sequence of functions rather than
 *   adding a parameter to each function key to denote the modi-
 *   fiers.
 */Terminal.prototype.disableModifiers=function(params){;};/**
 * CSI > Ps p
 *   Set resource value pointerMode.  This is used by xterm to
 *   decide whether to hide the pointer cursor as the user types.
 *   Valid values for the parameter:
 *     Ps = 0  -> never hide the pointer.
 *     Ps = 1  -> hide if the mouse tracking mode is not enabled.
 *     Ps = 2  -> always hide the pointer.  If no parameter is
 *     given, xterm uses the default, which is 1 .
 */Terminal.prototype.setPointerMode=function(params){;};/**
 * CSI ! p   Soft terminal reset (DECSTR).
 * http://vt100.net/docs/vt220-rm/table4-10.html
 */Terminal.prototype.softReset=function(params){this.cursorHidden=false;this.insertMode=false;this.originMode=false;this.wraparoundMode=false;// autowrap
this.applicationKeypad=false;// ?
this.viewport.syncScrollArea();this.applicationCursor=false;this.scrollTop=0;this.scrollBottom=this.rows-1;this.curAttr=this.defAttr;this.x=this.y=0;// ?
this.charset=null;this.glevel=0;// ??
this.charsets=[null];// ??
};/**
 * CSI Ps$ p
 *   Request ANSI mode (DECRQM).  For VT300 and up, reply is
 *     CSI Ps; Pm$ y
 *   where Ps is the mode number as in RM, and Pm is the mode
 *   value:
 *     0 - not recognized
 *     1 - set
 *     2 - reset
 *     3 - permanently set
 *     4 - permanently reset
 */Terminal.prototype.requestAnsiMode=function(params){;};/**
 * CSI ? Ps$ p
 *   Request DEC private mode (DECRQM).  For VT300 and up, reply is
 *     CSI ? Ps; Pm$ p
 *   where Ps is the mode number as in DECSET, Pm is the mode value
 *   as in the ANSI DECRQM.
 */Terminal.prototype.requestPrivateMode=function(params){;};/**
 * CSI Ps ; Ps " p
 *   Set conformance level (DECSCL).  Valid values for the first
 *   parameter:
 *     Ps = 6 1  -> VT100.
 *     Ps = 6 2  -> VT200.
 *     Ps = 6 3  -> VT300.
 *   Valid values for the second parameter:
 *     Ps = 0  -> 8-bit controls.
 *     Ps = 1  -> 7-bit controls (always set for VT100).
 *     Ps = 2  -> 8-bit controls.
 */Terminal.prototype.setConformanceLevel=function(params){;};/**
 * CSI Ps q  Load LEDs (DECLL).
 *     Ps = 0  -> Clear all LEDS (default).
 *     Ps = 1  -> Light Num Lock.
 *     Ps = 2  -> Light Caps Lock.
 *     Ps = 3  -> Light Scroll Lock.
 *     Ps = 2  1  -> Extinguish Num Lock.
 *     Ps = 2  2  -> Extinguish Caps Lock.
 *     Ps = 2  3  -> Extinguish Scroll Lock.
 */Terminal.prototype.loadLEDs=function(params){;};/**
 * CSI Ps SP q
 *   Set cursor style (DECSCUSR, VT520).
 *     Ps = 0  -> blinking block.
 *     Ps = 1  -> blinking block (default).
 *     Ps = 2  -> steady block.
 *     Ps = 3  -> blinking underline.
 *     Ps = 4  -> steady underline.
 */Terminal.prototype.setCursorStyle=function(params){;};/**
 * CSI Ps " q
 *   Select character protection attribute (DECSCA).  Valid values
 *   for the parameter:
 *     Ps = 0  -> DECSED and DECSEL can erase (default).
 *     Ps = 1  -> DECSED and DECSEL cannot erase.
 *     Ps = 2  -> DECSED and DECSEL can erase.
 */Terminal.prototype.setCharProtectionAttr=function(params){;};/**
 * CSI ? Pm r
 *   Restore DEC Private Mode Values.  The value of Ps previously
 *   saved is restored.  Ps values are the same as for DECSET.
 */Terminal.prototype.restorePrivateValues=function(params){;};/**
 * CSI Pt; Pl; Pb; Pr; Ps$ r
 *   Change Attributes in Rectangular Area (DECCARA), VT400 and up.
 *     Pt; Pl; Pb; Pr denotes the rectangle.
 *     Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.
 * NOTE: xterm doesn't enable this code by default.
 */Terminal.prototype.setAttrInRectangle=function(params){var t=params[0],l=params[1],b=params[2],r=params[3],attr=params[4];var line,i;for(;t<b+1;t++){line=this.lines[this.ybase+t];for(i=l;i<r;i++){line[i]=[attr,line[i][1]];}}// this.maxRange();
this.updateRange(params[0]);this.updateRange(params[2]);};/**
 * CSI Pc; Pt; Pl; Pb; Pr$ x
 *   Fill Rectangular Area (DECFRA), VT420 and up.
 *     Pc is the character to use.
 *     Pt; Pl; Pb; Pr denotes the rectangle.
 * NOTE: xterm doesn't enable this code by default.
 */Terminal.prototype.fillRectangle=function(params){var ch=params[0],t=params[1],l=params[2],b=params[3],r=params[4];var line,i;for(;t<b+1;t++){line=this.lines[this.ybase+t];for(i=l;i<r;i++){line[i]=[line[i][0],String.fromCharCode(ch)];}}// this.maxRange();
this.updateRange(params[1]);this.updateRange(params[3]);};/**
 * CSI Ps ; Pu ' z
 *   Enable Locator Reporting (DECELR).
 *   Valid values for the first parameter:
 *     Ps = 0  -> Locator disabled (default).
 *     Ps = 1  -> Locator enabled.
 *     Ps = 2  -> Locator enabled for one report, then disabled.
 *   The second parameter specifies the coordinate unit for locator
 *   reports.
 *   Valid values for the second parameter:
 *     Pu = 0  <- or omitted -> default to character cells.
 *     Pu = 1  <- device physical pixels.
 *     Pu = 2  <- character cells.
 */Terminal.prototype.enableLocatorReporting=function(params){var val=params[0]>0;//this.mouseEvents = val;
//this.decLocator = val;
};/**
 * CSI Pt; Pl; Pb; Pr$ z
 *   Erase Rectangular Area (DECERA), VT400 and up.
 *     Pt; Pl; Pb; Pr denotes the rectangle.
 * NOTE: xterm doesn't enable this code by default.
 */Terminal.prototype.eraseRectangle=function(params){var t=params[0],l=params[1],b=params[2],r=params[3];var line,i,ch;ch=[this.eraseAttr(),' ',1];// xterm?
for(;t<b+1;t++){line=this.lines[this.ybase+t];for(i=l;i<r;i++){line[i]=ch;}}// this.maxRange();
this.updateRange(params[0]);this.updateRange(params[2]);};/**
 * CSI P m SP }
 * Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
 * NOTE: xterm doesn't enable this code by default.
 */Terminal.prototype.insertColumns=function(){var param=params[0],l=this.ybase+this.rows,ch=[this.eraseAttr(),' ',1]// xterm?
,i;while(param--){for(i=this.ybase;i<l;i++){this.lines[i].splice(this.x+1,0,ch);this.lines[i].pop();}}this.maxRange();};/**
 * CSI P m SP ~
 * Delete P s Column(s) (default = 1) (DECDC), VT420 and up
 * NOTE: xterm doesn't enable this code by default.
 */Terminal.prototype.deleteColumns=function(){var param=params[0],l=this.ybase+this.rows,ch=[this.eraseAttr(),' ',1]// xterm?
,i;while(param--){for(i=this.ybase;i<l;i++){this.lines[i].splice(this.x,1);this.lines[i].push(ch);}}this.maxRange();};/**
 * Character Sets
 */Terminal.charsets={};// DEC Special Character and Line Drawing Set.
// http://vt100.net/docs/vt102-ug/table5-13.html
// A lot of curses apps use this if they see TERM=xterm.
// testing: echo -e '\e(0a\e(B'
// The xterm output sometimes seems to conflict with the
// reference above. xterm seems in line with the reference
// when running vttest however.
// The table below now uses xterm's output from vttest.
Terminal.charsets.SCLD={// (0
'`':'\u25C6',// '◆'
'a':'\u2592',// '▒'
'b':'\t',// '\t'
'c':'\f',// '\f'
'd':'\r',// '\r'
'e':'\n',// '\n'
'f':'\xB0',// '°'
'g':'\xB1',// '±'
'h':'\u2424',// '\u2424' (NL)
'i':'\x0B',// '\v'
'j':'\u2518',// '┘'
'k':'\u2510',// '┐'
'l':'\u250C',// '┌'
'm':'\u2514',// '└'
'n':'\u253C',// '┼'
'o':'\u23BA',// '⎺'
'p':'\u23BB',// '⎻'
'q':'\u2500',// '─'
'r':'\u23BC',// '⎼'
's':'\u23BD',// '⎽'
't':'\u251C',// '├'
'u':'\u2524',// '┤'
'v':'\u2534',// '┴'
'w':'\u252C',// '┬'
'x':'\u2502',// '│'
'y':'\u2264',// '≤'
'z':'\u2265',// '≥'
'{':'\u03C0',// 'π'
'|':'\u2260',// '≠'
'}':'\xA3',// '£'
'~':'\xB7'// '·'
};Terminal.charsets.UK=null;// (A
Terminal.charsets.US=null;// (B (USASCII)
Terminal.charsets.Dutch=null;// (4
Terminal.charsets.Finnish=null;// (C or (5
Terminal.charsets.French=null;// (R
Terminal.charsets.FrenchCanadian=null;// (Q
Terminal.charsets.German=null;// (K
Terminal.charsets.Italian=null;// (Y
Terminal.charsets.NorwegianDanish=null;// (E or (6
Terminal.charsets.Spanish=null;// (Z
Terminal.charsets.Swedish=null;// (H or (7
Terminal.charsets.Swiss=null;// (=
Terminal.charsets.ISOLatin=null;// /A
/**
 * Helpers
 */function on(el,type,handler,capture){if(!Array.isArray(el)){el=[el];}el.forEach(function(element){element.addEventListener(type,handler,capture||false);});}function off(el,type,handler,capture){el.removeEventListener(type,handler,capture||false);}function cancel(ev,force){if(!this.cancelEvents&&!force){return;}ev.preventDefault();ev.stopPropagation();return false;}function inherits(child,parent){function f(){this.constructor=child;}f.prototype=parent.prototype;child.prototype=new f();}// if bold is broken, we can't
// use it in the terminal.
function isBoldBroken(document){var body=document.getElementsByTagName('body')[0];var el=document.createElement('span');el.innerHTML='hello world';body.appendChild(el);var w1=el.scrollWidth;el.style.fontWeight='bold';var w2=el.scrollWidth;body.removeChild(el);return w1!==w2;}function indexOf(obj,el){var i=obj.length;while(i--){if(obj[i]===el)return i;}return-1;}function isThirdLevelShift(term,ev){var thirdLevelKey=term.browser.isMac&&ev.altKey&&!ev.ctrlKey&&!ev.metaKey||term.browser.isMSWindows&&ev.altKey&&ev.ctrlKey&&!ev.metaKey;if(ev.type=='keypress'){return thirdLevelKey;}// Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
return thirdLevelKey&&(!ev.keyCode||ev.keyCode>47);}function matchColor(r1,g1,b1){var hash=r1<<16|g1<<8|b1;if(matchColor._cache[hash]!=null){return matchColor._cache[hash];}var ldiff=Infinity,li=-1,i=0,c,r2,g2,b2,diff;for(;i<Terminal.vcolors.length;i++){c=Terminal.vcolors[i];r2=c[0];g2=c[1];b2=c[2];diff=matchColor.distance(r1,g1,b1,r2,g2,b2);if(diff===0){li=i;break;}if(diff<ldiff){ldiff=diff;li=i;}}return matchColor._cache[hash]=li;}matchColor._cache={};// http://stackoverflow.com/questions/1633828
matchColor.distance=function(r1,g1,b1,r2,g2,b2){return Math.pow(30*(r1-r2),2)+Math.pow(59*(g1-g2),2)+Math.pow(11*(b1-b2),2);};function each(obj,iter,con){if(obj.forEach)return obj.forEach(iter,con);for(var i=0;i<obj.length;i++){iter.call(con,obj[i],i,obj);}}function keys(obj){if(Object.keys)return Object.keys(obj);var key,keys=[];for(key in obj){if(Object.prototype.hasOwnProperty.call(obj,key)){keys.push(key);}}return keys;}var wcwidth=function(opts){// extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
// combining characters
var COMBINING=[[0x0300,0x036F],[0x0483,0x0486],[0x0488,0x0489],[0x0591,0x05BD],[0x05BF,0x05BF],[0x05C1,0x05C2],[0x05C4,0x05C5],[0x05C7,0x05C7],[0x0600,0x0603],[0x0610,0x0615],[0x064B,0x065E],[0x0670,0x0670],[0x06D6,0x06E4],[0x06E7,0x06E8],[0x06EA,0x06ED],[0x070F,0x070F],[0x0711,0x0711],[0x0730,0x074A],[0x07A6,0x07B0],[0x07EB,0x07F3],[0x0901,0x0902],[0x093C,0x093C],[0x0941,0x0948],[0x094D,0x094D],[0x0951,0x0954],[0x0962,0x0963],[0x0981,0x0981],[0x09BC,0x09BC],[0x09C1,0x09C4],[0x09CD,0x09CD],[0x09E2,0x09E3],[0x0A01,0x0A02],[0x0A3C,0x0A3C],[0x0A41,0x0A42],[0x0A47,0x0A48],[0x0A4B,0x0A4D],[0x0A70,0x0A71],[0x0A81,0x0A82],[0x0ABC,0x0ABC],[0x0AC1,0x0AC5],[0x0AC7,0x0AC8],[0x0ACD,0x0ACD],[0x0AE2,0x0AE3],[0x0B01,0x0B01],[0x0B3C,0x0B3C],[0x0B3F,0x0B3F],[0x0B41,0x0B43],[0x0B4D,0x0B4D],[0x0B56,0x0B56],[0x0B82,0x0B82],[0x0BC0,0x0BC0],[0x0BCD,0x0BCD],[0x0C3E,0x0C40],[0x0C46,0x0C48],[0x0C4A,0x0C4D],[0x0C55,0x0C56],[0x0CBC,0x0CBC],[0x0CBF,0x0CBF],[0x0CC6,0x0CC6],[0x0CCC,0x0CCD],[0x0CE2,0x0CE3],[0x0D41,0x0D43],[0x0D4D,0x0D4D],[0x0DCA,0x0DCA],[0x0DD2,0x0DD4],[0x0DD6,0x0DD6],[0x0E31,0x0E31],[0x0E34,0x0E3A],[0x0E47,0x0E4E],[0x0EB1,0x0EB1],[0x0EB4,0x0EB9],[0x0EBB,0x0EBC],[0x0EC8,0x0ECD],[0x0F18,0x0F19],[0x0F35,0x0F35],[0x0F37,0x0F37],[0x0F39,0x0F39],[0x0F71,0x0F7E],[0x0F80,0x0F84],[0x0F86,0x0F87],[0x0F90,0x0F97],[0x0F99,0x0FBC],[0x0FC6,0x0FC6],[0x102D,0x1030],[0x1032,0x1032],[0x1036,0x1037],[0x1039,0x1039],[0x1058,0x1059],[0x1160,0x11FF],[0x135F,0x135F],[0x1712,0x1714],[0x1732,0x1734],[0x1752,0x1753],[0x1772,0x1773],[0x17B4,0x17B5],[0x17B7,0x17BD],[0x17C6,0x17C6],[0x17C9,0x17D3],[0x17DD,0x17DD],[0x180B,0x180D],[0x18A9,0x18A9],[0x1920,0x1922],[0x1927,0x1928],[0x1932,0x1932],[0x1939,0x193B],[0x1A17,0x1A18],[0x1B00,0x1B03],[0x1B34,0x1B34],[0x1B36,0x1B3A],[0x1B3C,0x1B3C],[0x1B42,0x1B42],[0x1B6B,0x1B73],[0x1DC0,0x1DCA],[0x1DFE,0x1DFF],[0x200B,0x200F],[0x202A,0x202E],[0x2060,0x2063],[0x206A,0x206F],[0x20D0,0x20EF],[0x302A,0x302F],[0x3099,0x309A],[0xA806,0xA806],[0xA80B,0xA80B],[0xA825,0xA826],[0xFB1E,0xFB1E],[0xFE00,0xFE0F],[0xFE20,0xFE23],[0xFEFF,0xFEFF],[0xFFF9,0xFFFB],[0x10A01,0x10A03],[0x10A05,0x10A06],[0x10A0C,0x10A0F],[0x10A38,0x10A3A],[0x10A3F,0x10A3F],[0x1D167,0x1D169],[0x1D173,0x1D182],[0x1D185,0x1D18B],[0x1D1AA,0x1D1AD],[0x1D242,0x1D244],[0xE0001,0xE0001],[0xE0020,0xE007F],[0xE0100,0xE01EF]];// binary search
function bisearch(ucs){var min=0;var max=COMBINING.length-1;var mid;if(ucs<COMBINING[0][0]||ucs>COMBINING[max][1])return false;while(max>=min){mid=Math.floor((min+max)/2);if(ucs>COMBINING[mid][1])min=mid+1;else if(ucs<COMBINING[mid][0])max=mid-1;else return true;}return false;}function wcwidth(ucs){// test for 8-bit control characters
if(ucs===0)return opts.nul;if(ucs<32||ucs>=0x7f&&ucs<0xa0)return opts.control;// binary search in table of non-spacing characters
if(bisearch(ucs))return 0;// if we arrive here, ucs is not a combining or C0/C1 control character
return 1+(ucs>=0x1100&&(ucs<=0x115f||// Hangul Jamo init. consonants
ucs==0x2329||ucs==0x232a||ucs>=0x2e80&&ucs<=0xa4cf&&ucs!=0x303f||// CJK..Yi
ucs>=0xac00&&ucs<=0xd7a3||// Hangul Syllables
ucs>=0xf900&&ucs<=0xfaff||// CJK Compat Ideographs
ucs>=0xfe10&&ucs<=0xfe19||// Vertical forms
ucs>=0xfe30&&ucs<=0xfe6f||// CJK Compat Forms
ucs>=0xff00&&ucs<=0xff60||// Fullwidth Forms
ucs>=0xffe0&&ucs<=0xffe6||ucs>=0x20000&&ucs<=0x2fffd||ucs>=0x30000&&ucs<=0x3fffd));}return wcwidth;}({nul:0,control:0});// configurable options
/**
 * Expose
 */Terminal.EventEmitter=_EventEmitter.EventEmitter;Terminal.CompositionHelper=_CompositionHelper.CompositionHelper;Terminal.Viewport=_Viewport.Viewport;Terminal.inherits=inherits;/**
 * Adds an event listener to the terminal.
 *
 * @param {string} event The name of the event. TODO: Document all event types
 * @param {function} callback The function to call when the event is triggered.
 */Terminal.on=on;Terminal.off=off;Terminal.cancel=cancel;module.exports=Terminal;

},{"./CompositionHelper.js":1,"./EventEmitter.js":2,"./Viewport.js":3,"./handlers/Clipboard.js":4,"./utils/Browser":5}]},{},[7])(7)
});
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