diff --git a/.npmignore b/.npmignore
new file mode 100644
index 00000000..7bf00685
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,11 @@
+.git*
+build/
+.lock-wscript
+out/
+Makefile.gyp
+*.Makefile
+*.target.gyp.mk
+node_modules/
+img/
+test/
+*.node
diff --git a/LICENSE b/LICENSE
index 40597477..259500c9 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2011-2012, Christopher Jeffrey (https://github.com/chjj/)
+Copyright (c) 2012-2013, Christopher Jeffrey (https://github.com/chjj/)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 415baee5..ca237421 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,12 @@
A terminal in your browser using node.js and socket.io. Based on Fabrice
Bellard's vt100 for [jslinux](http://bellard.org/jslinux/).
+For the standalone web terminal, see
+[**term.js**](https://github.com/chjj/term.js).
+
+For the lowlevel terminal spawner, see
+[**pty.js**](https://github.com/chjj/pty.js).
+
## Screenshots
### irssi
@@ -23,6 +29,8 @@ Bellard's vt100 for [jslinux](http://bellard.org/jslinux/).
- Screen/Tmux-like keys (optional)
- Ability to efficiently render programs: vim, mc, irssi, vifm, etc.
- Support for xterm mouse events
+- 256 color support
+- Persistent sessions
## Install
@@ -30,6 +38,28 @@ Bellard's vt100 for [jslinux](http://bellard.org/jslinux/).
$ npm install tty.js
```
+## Usage
+
+tty.js is an app, but it's also possible to hook into it programatically.
+
+``` js
+var tty = require('tty.js');
+
+var app = tty.createServer({
+ shell: 'bash',
+ users: {
+ foo: 'bar'
+ },
+ port: 8000
+});
+
+app.get('/foo', function(req, res, next) {
+ res.send('bar');
+});
+
+app.listen();
+```
+
## Configuration
Configuration is stored in `~/.tty.js/config.json` or `~/.tty.js` as a single
@@ -51,11 +81,16 @@ JSON file. An example configuration file looks like:
"static": "./static",
"limitGlobal": 10000,
"limitPerUser": 1000,
- "hooks": "./hooks.js",
+ "localOnly": false,
"cwd": ".",
+ "syncSession": false,
+ "sessionTimeout": 600000,
+ "log": true,
+ "io": { "log": false },
+ "debug": false,
"term": {
"termName": "xterm",
- "geometry": [80, 30],
+ "geometry": [80, 24],
"scrollback": 1000,
"visualBell": false,
"popOnBell": false,
@@ -69,7 +104,7 @@ JSON file. An example configuration file looks like:
"#3465a4",
"#75507b",
"#06989a",
- "#d3d7cf"
+ "#d3d7cf",
"#555753",
"#ef2929",
"#8ae234",
@@ -77,9 +112,7 @@ JSON file. An example configuration file looks like:
"#729fcf",
"#ad7fa8",
"#34e2e2",
- "#eeeeec",
- "#000000",
- "#f0f0f0"
+ "#eeeeec"
]
}
}
@@ -87,18 +120,10 @@ JSON file. An example configuration file looks like:
Usernames and passwords can be plaintext or sha1 hashes.
-### Example Hooks File
-
-``` js
-var db = require('./db');
+### 256 colors
-module.exports = {
- auth: function(user, pass, next) {
- // Do database auth
- next(null, pass === password);
- }
-};
-```
+If tty.js fails to check your terminfo properly, you can force your `TERM`
+to `xterm-256color` by setting `"termName": "xterm-256color"` in your config.
## Security
@@ -138,8 +163,14 @@ The distance to go before full xterm compatibility.
- Origin Mode, Insert Mode
- Proper Tab Setting
+## Contribution and License Agreement
+
+If you contribute code to this project, you are implicitly allowing your code
+to be distributed under the MIT license. You are also implicitly verifying that
+all code is your original work. ``
+
## License
-Copyright (c) 2012, Christopher Jeffrey (MIT License)
+Copyright (c) 2012-2014, Christopher Jeffrey (MIT License)
[1]: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking
diff --git a/bin/tty.js b/bin/tty.js
index d824a74b..8b4e1441 100755
--- a/bin/tty.js
+++ b/bin/tty.js
@@ -1,34 +1,15 @@
-#!/bin/bash
+#!/usr/bin/env node
-f=$0
-while test -L "$f"; do
- f=$(readlink "$f")
-done
-dir="$(dirname "$f")/.."
+/**
+ * tty.js
+ * Copyright (c) 2012-2014, Christopher Jeffrey (MIT License)
+ */
-node=$(which node 2>/dev/null)
-if test -z "$node"; then
- node="/usr/local/bin/node"
- if test ! -f "$node"; then
- echo "Node not found."
- exit 1
- fi
-fi
+process.title = 'tty.js';
-for arg in "$@"; do
- case "$arg" in
- -d | --daemonize | production | --production)
- daemonize=1
- break
- ;;
- -h | --help)
- exec man "$dir/man/tty.js.1"
- ;;
- esac
-done
+var tty = require('../');
-if test -n "$daemonize"; then
- (setsid "$node" "$dir/index.js" $@ > /dev/null 2>&1 &)
-else
- exec "$node" "$dir/index.js" $@
-fi
+var conf = tty.config.readConfig()
+ , app = tty.createServer(conf);
+
+app.listen();
diff --git a/lib/config.js b/lib/config.js
index 942c3d21..cdc1bc35 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -1,56 +1,34 @@
+/**
+ * tty.js: config.js
+ * Copyright (c) 2012-2014, Christopher Jeffrey (MIT License)
+ */
+
var path = require('path')
- , fs = require('fs');
+ , fs = require('fs')
+ , logger = require('./logger');
/**
- * Default Config
+ * Options
*/
-var schema = {
- users: {},
- https: {
- key: null,
- cert: null
- },
- port: 8080,
- // hostname: '0.0.0.0',
- // shell: 'sh',
- // shellArgs: ['arg1', 'arg2'],
- // static: './static',
- // limitGlobal: 10000,
- // limitPerUser: 1000,
- // hooks: './hooks.js',
- // cwd: '.',
- term: {
- // termName: 'xterm',
- // geometry: [80, 30],
- // visualBell: false,
- // popOnBell: false,
- // cursorBlink: true,
- // scrollback: 1000,
- // screenKeys: false,
- // colors: []
- }
-};
+var options;
/**
* Read Config
*/
-function readConfig(name) {
+function readConfig(file) {
var home = process.env.HOME
, conf = {}
- , opt
, dir
, json;
- opt = parseArg();
-
- if (opt.config) {
- opt.config = path.resolve(process.cwd(), opt.config);
- dir = path.dirname(opt.config);
- json = opt.config;
+ if (file || options.config) {
+ file = path.resolve(process.cwd(), file || options.config);
+ dir = path.dirname(file);
+ json = options.config;
} else {
- dir = path.join(home, '.tty.js');
+ dir = process.env.TTYJS_PATH || path.join(home, '.tty.js');
json = path.join(dir, 'config.json');
}
@@ -58,22 +36,14 @@ function readConfig(name) {
if (!fs.statSync(dir).isDirectory()) {
json = dir;
dir = home;
- tryRead = function() {};
}
- // read conf
conf = JSON.parse(fs.readFileSync(json, 'utf8'));
-
- // ensure schema
- ensure(schema, conf);
} else {
if (!exists(dir)) {
fs.mkdirSync(dir, 0700);
}
- // ensure schema
- ensure(schema, conf);
-
fs.writeFileSync(json, JSON.stringify(conf, null, 2));
fs.chmodSync(json, 0600);
}
@@ -82,51 +52,115 @@ function readConfig(name) {
conf.dir = dir;
conf.json = json;
+ // flag
+ conf.__read = true;
+
+ return checkConfig(conf);
+}
+
+function checkConfig(conf) {
+ if (typeof conf === 'string') {
+ return readConfig(conf);
+ }
+
+ conf = clone(conf || {});
+
+ if (conf.config) {
+ var file = conf.config;
+ delete conf.config;
+ merge(conf, readConfig(file));
+ }
+
+ // flag
+ if (conf.__check) return conf;
+ conf.__check = true;
+
// merge options
- merge(opt, conf);
+ merge(conf, options.conf);
- // check legacy features
- checkLegacy(conf);
+ // directory and config file
+ conf.dir = conf.dir || '';
+ conf.json = conf.json || '';
- // key and cert
- conf.https = {
- key: tryRead(dir, 'server.key'),
- cert: tryRead(dir, 'server.crt')
+ // users
+ conf.users = conf.users || {};
+ if (conf.auth && conf.auth.username && !conf.auth.disabled) {
+ conf.users[conf.auth.username] = conf.auth.password;
+ }
+
+ // https
+ conf.https = conf.https || conf.ssl || conf.tls || {};
+ conf.https = !conf.https.disabled && {
+ key: tryRead(conf.dir, conf.https.key || 'server.key') || conf.https.key,
+ cert: tryRead(conf.dir, conf.https.cert || 'server.crt') || conf.https.cert
};
+ // port
+ conf.port = conf.port || 8080;
+
+ // hostname
+ conf.hostname; // '0.0.0.0'
+
// shell, process name
if (conf.shell && ~conf.shell.indexOf('/')) {
- conf.shell = path.resolve(dir, conf.shell);
+ conf.shell = path.resolve(conf.dir, conf.shell);
}
-
- // static directory
- conf.static = tryResolve(dir, 'static');
-
- // Path to shell, or the process to execute in the terminal.
conf.shell = conf.shell || process.env.SHELL || 'sh';
- // Arguments to shell, if they exist
+ // arguments to shell, if they exist
conf.shellArgs = conf.shellArgs || [];
- // $TERM
- conf.term.termName = conf.termName || conf.term.termName || 'xterm';
- conf.termName = conf.term.termName;
+ // static directory
+ conf.static = tryResolve(conf.dir, conf.static || 'static');
// limits
conf.limitPerUser = conf.limitPerUser || Infinity;
conf.limitGlobal = conf.limitGlobal || Infinity;
- // users
- if (conf.users && !Object.keys(conf.users).length) delete conf.users;
+ // local
+ conf.localOnly = !!conf.localOnly;
+
+ // sync session
+ conf.syncSession; // false
+
+ // session timeout
+ if (typeof conf.sessionTimeout !== 'number') {
+ conf.sessionTimeout = 10 * 60 * 1000;
+ }
- // hooks
- conf.hooks = tryRequire(dir, 'hooks.js');
+ // log
+ conf.log; // true
// cwd
if (conf.cwd) {
- conf.cwd = path.resolve(dir, conf.cwd);
+ conf.cwd = path.resolve(conf.dir, conf.cwd);
}
+ // socket.io
+ conf.io; // null
+
+ // term
+ conf.term = conf.term || {};
+
+ conf.termName = conf.termName || conf.term.termName || terminfo();
+ conf.term.termName = conf.termName;
+
+ conf.term.termName; // 'xterm'
+ conf.term.geometry; // [80, 24]
+ conf.term.visualBell; // false
+ conf.term.popOnBell; // false
+ conf.term.cursorBlink; // true
+ conf.term.scrollback; // 1000
+ conf.term.screenKeys; // false
+ conf.term.colors; // []
+ conf.term.programFeatures; // false
+
+ conf.debug = conf.debug || conf.term.debug || false;
+ conf.term.debug = conf.debug; // false
+
+ // check legacy features
+ checkLegacy(conf);
+
return conf;
}
@@ -138,21 +172,7 @@ function checkLegacy(conf) {
var out = [];
if (conf.auth) {
- if (conf.auth && conf.auth.username && !conf.auth.disabled) {
- conf.users[conf.auth.username] = conf.auth.password;
- }
- // out.push('`auth` is deprecated, please use `users` instead.');
- console.error('`auth` is deprecated, please use `users` instead.');
- }
-
- if (conf.https && conf.https.key) {
- conf.https = {
- key: tryRead(conf.dir, conf.https.key),
- cert: tryRead(conf.dir, conf.https.cert)
- };
- // out.push(''
- // + '`https` is deprecated, pleased include '
- // + '`~/.tty.js/server.crt`, and `~/.tty.js/server.key` instead.');
+ logger.error('`auth` is deprecated, please use `users` instead.');
}
if (conf.userScript) {
@@ -173,28 +193,103 @@ function checkLegacy(conf) {
+ '`user.css` in `~/.tty.js/static/user.css` instead.');
}
- if (conf.static) {
- conf.static = tryResolve(conf.dir, conf.static);
- // out.push(''
- // + '`static` is deprecated, please place a '
- // + 'directory called `static` in `~/.tty.js` instead.');
- }
-
if (conf.hooks) {
- conf.hooks = tryRequire(conf.dir, conf.hooks);
- // out.push(''
- // + '`hooks` is deprecated, please place '
- // + '`hooks.js` in `~/.tty.js/hooks.js` instead.');
+ out.push(''
+ + '`hooks` is deprecated, please programmatically '
+ + 'hook into your tty.js server instead.');
}
if (out.length) {
- out = out.join('\n');
- console.error(out);
- console.error('Exiting...');
+ out.forEach(function(out) {
+ logger.error(out);
+ });
+ logger.error('Exiting.');
process.exit(1);
}
}
+/**
+ * Terminfo
+ */
+
+function terminfo() {
+ // tput -Txterm-256color longname
+ var terminfo = exists('/usr/share/terminfo/x/xterm+256color')
+ || exists('/usr/share/terminfo/x/xterm-256color');
+
+ // Default $TERM
+ var TERM = terminfo
+ ? 'xterm-256color'
+ : 'xterm';
+
+ return TERM;
+}
+
+/**
+ * Daemonize
+ */
+
+function daemonize() {
+ if (process.env.IS_DAEMONIC) return;
+
+ var spawn = require('child_process').spawn
+ , argv = process.argv.slice()
+ , code;
+
+ argv = argv.map(function(arg) {
+ arg = arg.replace(/(["$\\])/g, '\\$1');
+ return '"' + arg + '"';
+ }).join(' ');
+
+ code = '(IS_DAEMONIC=1 setsid ' + argv + ' > /dev/null 2>& 1 &)';
+ spawn('/bin/sh', ['-c', code]).on('exit', function(code) {
+ process.exit(code || 0);
+ });
+
+ stop();
+}
+
+/**
+ * Help
+ */
+
+function help() {
+ var spawn = require('child_process').spawn;
+
+ var options = {
+ cwd: process.cwd(),
+ env: process.env,
+ setsid: false,
+ customFds: [0, 1, 2]
+ };
+
+ spawn('man',
+ [__dirname + '/../man/tty.js.1'],
+ options);
+
+ stop();
+}
+
+/**
+ * Kill
+ */
+
+function killall() {
+ var spawn = require('child_process').spawn;
+
+ var options = {
+ cwd: process.cwd(),
+ env: process.env,
+ setsid: false,
+ customFds: [0, 1, 2]
+ };
+
+ spawn('/bin/sh',
+ ['-c', 'kill $(ps ax | grep -v grep | grep tty.js | awk \'{print $1}\')'],
+ options);
+
+ stop();
+}
/**
* Parse Arguments
@@ -202,26 +297,43 @@ function checkLegacy(conf) {
function parseArg() {
var argv = process.argv.slice()
- , opt = {}
+ , opt = { conf: {} }
, arg;
- var getarg = function() {
+ function getarg() {
var arg = argv.shift();
- if (arg && arg.indexOf('--') === 0) {
+
+ if (arg.indexOf('--') === 0) {
+ // e.g. --opt
arg = arg.split('=');
if (arg.length > 1) {
+ // e.g. --opt=val
argv.unshift(arg.slice(1).join('='));
}
+ arg = arg[0];
+ } else if (arg[0] === '-') {
+ if (arg.length > 2) {
+ // e.g. -abc
+ argv = arg.substring(1).split('').map(function(ch) {
+ return '-' + ch;
+ }).concat(argv);
+ arg = argv.shift();
+ } else {
+ // e.g. -a
+ }
+ } else {
+ // e.g. foo
}
- return arg[0];
- };
+
+ return arg;
+ }
while (argv.length) {
arg = getarg();
switch (arg) {
case '-p':
case '--port':
- opt.port = +argv.shift();
+ opt.conf.port = +argv.shift();
break;
case '-c':
case '--config':
@@ -231,10 +343,17 @@ function parseArg() {
break;
case '-h':
case '--help':
+ help();
+ break;
case 'production':
case '--production':
case '-d':
case '--daemonize':
+ daemonize();
+ break;
+ case '-k':
+ case '--kill':
+ killall();
break;
default:
break;
@@ -244,23 +363,23 @@ function parseArg() {
return opt;
}
+options = exports.options = parseArg();
+
/**
* Xresources
*/
function readResources() {
- var home = process.env.HOME
- , colors = []
+ var colors = []
, defs = {}
+ , def
+ , color
, text;
- try {
- text = fs.readFileSync(path.join(home, '.Xresources'), 'utf8');
- } catch(e) {
- return colors;
- }
+ text = tryRead(process.env.HOME, '.Xresources');
+ if (!text) return colors;
- var def = /#\s*define\s+((?:[^\s]|\\\s)+)\s+((?:[^\n]|\\\n)+)/g;
+ def = /#\s*define\s+((?:[^\s]|\\\s)+)\s+((?:[^\n]|\\\n)+)/g;
text = text.replace(def, function(__, name, val) {
name = name.replace(/\\\s/g, '');
defs[name] = val.replace(/\\\n/g, '');
@@ -271,7 +390,7 @@ function readResources() {
return defs[name] || name;
});
- var color = /(?:^|\n)[^\s]*(?:\*|\.)color(\d+):([^\n]+)/g;
+ color = /(?:^|\n)[^\s]*(?:\*|\.)color(\d+):([^\n]+)/g;
text.replace(color, function(__, no, color) {
if (!colors[no]) colors[no] = color.trim();
});
@@ -315,19 +434,44 @@ function exists(file) {
}
function merge(i, o) {
- Object.keys(i).forEach(function(key) {
- o[key] = i[key];
+ Object.keys(o).forEach(function(key) {
+ i[key] = o[key];
});
+ return i;
}
function ensure(i, o) {
- Object.keys(i).forEach(function(key) {
- if (!o[key]) o[key] = i[key];
+ Object.keys(o).forEach(function(key) {
+ if (!i[key]) i[key] = o[key];
});
+ return i;
+}
+
+function clone(obj) {
+ return merge({}, obj);
+}
+
+function stop() {
+ process.once('uncaughtException', function() {});
+ throw 'stop';
}
/**
* Expose
*/
-module.exports = readConfig();
+exports.readConfig = readConfig;
+exports.checkConfig = checkConfig;
+exports.xresources = readResources();
+
+exports.helpers = {
+ tryRequire: tryRequire,
+ tryResolve: tryResolve,
+ tryRead: tryRead,
+ exists: exists,
+ merge: merge,
+ ensure: ensure,
+ clone: clone
+};
+
+merge(exports, exports.helpers);
diff --git a/lib/logger.js b/lib/logger.js
new file mode 100644
index 00000000..4349b021
--- /dev/null
+++ b/lib/logger.js
@@ -0,0 +1,61 @@
+/**
+ * tty.js: logger.js
+ * Copyright (c) 2012-2014, Christopher Jeffrey (MIT License)
+ */
+
+var slice = Array.prototype.slice
+ , isatty = require('tty').isatty;
+
+/**
+ * Logger
+ */
+
+function logger(level) {
+ var args = slice.call(arguments, 1);
+
+ if (typeof args[0] !== 'string') args.unshift('');
+
+ level = logger.levels[level];
+
+ args[0] = '\x1b['
+ + level[0]
+ + 'm['
+ + logger.prefix
+ + ']\x1b[m '
+ + args[0];
+
+ if ((level[1] === 'log' && !logger.isatty[1])
+ || (level[1] === 'error' && !logger.isatty[2])) {
+ args[0] = args[0].replace(/\x1b\[(?:\d+(?:;\d+)*)?m/g, '');
+ }
+
+ return console[level[1]].apply(console, args);
+}
+
+logger.isatty = [isatty(0), isatty(1), isatty(2)];
+
+logger.levels = {
+ 'log': [34, 'log'],
+ 'error': [41, 'error'],
+ 'warning': [31, 'error']
+};
+
+logger.prefix = 'tty.js';
+
+logger.log = function() {
+ return logger.apply(null, ['log'].concat(slice.call(arguments)));
+};
+
+logger.warning = function() {
+ return logger.apply(null, ['warning'].concat(slice.call(arguments)));
+};
+
+logger.error = function() {
+ return logger.apply(null, ['error'].concat(slice.call(arguments)));
+};
+
+/**
+ * Expose
+ */
+
+module.exports = logger;
diff --git a/lib/tty.js b/lib/tty.js
index 615cbda9..78849eb8 100644
--- a/lib/tty.js
+++ b/lib/tty.js
@@ -1,73 +1,133 @@
/**
* tty.js
- * Copyright (c) 2012, Christopher Jeffrey (MIT License)
+ * Copyright (c) 2012-2014, Christopher Jeffrey (MIT License)
*/
-process.title = 'tty.js';
-
/**
* Modules
*/
var path = require('path')
, fs = require('fs')
+ , Stream = require('stream').Stream
, EventEmitter = require('events').EventEmitter;
var express = require('express')
, io = require('socket.io')
- , pty = require('pty.js');
+ , pty = require('pty.js')
+ , term = require('term.js');
+
+var config = require('./config')
+ , logger = require('./logger');
/**
- * Config
+ * Server
*/
-var conf = require('./config');
+function Server(conf) {
+ if (!(this instanceof Server)) {
+ return new Server(conf);
+ }
-/**
- * Auth
- */
+ var self = this
+ , conf = config.checkConfig(conf);
-var auth = basicAuth();
+ this.app = express();
+ this.server = conf.https && conf.https.key
+ ? require('https').createServer(conf.https)
+ : require('http').createServer();
+ this.server.on('request', this.app);
-/**
- * App & Middleware
- */
+ this.sessions = {};
+ this.conf = conf;
+ this._auth = this._basicAuth();
+ this.io = io.listen(this.server, conf.io || {
+ log: false
+ });
+
+ this.on('listening', function() {
+ self.log('Listening on port \x1b[1m%s\x1b[m.', self.conf.port);
+ });
-var app = conf.https && conf.https.key
- ? express.createServer(conf.https)
- : express.createServer();
-
-app.use(function(req, res, next) {
- var setHeader = res.setHeader;
- res.setHeader = function(name) {
- switch (name) {
- case 'Cache-Control':
- case 'Last-Modified':
- case 'ETag':
- return;
+ this.init();
+}
+
+Server.prototype.init = function() {
+ this.init = function() {};
+ if (this.conf.localOnly) this.initLocal();
+ this.initMiddleware();
+ this.initRoutes();
+ this.initIO();
+};
+
+Server.prototype.initLocal = function() {
+ var self = this;
+ this.warning('Only accepting local connections.'),
+ this.server.on('connection', function(socket) {
+ var address = socket.remoteAddress;
+ if (address !== '127.0.0.1' && address !== '::1') {
+ try {
+ socket.destroy();
+ } catch (e) {
+ ;
+ }
+ self.log('Attempted connection from %s. Refused.', address);
}
- return setHeader.apply(res, arguments);
- };
- next();
-});
+ });
+};
+
+Server.prototype.initMiddleware = function() {
+ var self = this
+ , conf = this.conf;
+
+ this.use(function(req, res, next) {
+ var setHeader = res.setHeader;
+ res.setHeader = function(name) {
+ switch (name) {
+ case 'Cache-Control':
+ case 'Last-Modified':
+ case 'ETag':
+ return;
+ }
+ return setHeader.apply(res, arguments);
+ };
+ next();
+ });
-app.use(auth);
+ this.use(function(req, res, next) {
+ return self._auth(req, res, next);
+ });
-if (conf.static) {
- app.use(express.static(conf.static));
-}
+ this.use(term.middleware());
-app.use(express.favicon(__dirname + '/../static/favicon.ico'));
+ if (conf.static) {
+ this.use(express.static(conf.static));
+ }
-app.use(app.router);
+ // If there is a custom favicon in the custom
+ // static directory, this will be ignored.
+ this.use(express.favicon(__dirname + '/../static/favicon.ico'));
-app.use(express.static(__dirname + '/../static'));
+ this.use(this.app.router);
-/**
- * Expose Terminal Options
- */
+ this.use(express.static(__dirname + '/../static'));
+};
+
+Server.prototype.setAuth = function(func) {
+ this._auth = func;
+};
+
+Server.prototype.initRoutes = function() {
+ var self = this;
+ this.get('/options.js', function(req, res, next) {
+ return self.handleOptions(req, res, next);
+ });
+};
+
+Server.prototype.handleOptions = function(req, res, next) {
+ var self = this
+ , conf = this.conf;
-app.get('/options.js', function(req, res, next) {
res.contentType('.js');
fs.readFile(conf.json, 'utf8', function(err, data) {
try {
@@ -75,217 +135,131 @@ app.get('/options.js', function(req, res, next) {
} catch(e) {
data = {};
}
- res.send('Terminal.options = '
- + JSON.stringify(data.term || {})
+
+ if (data.term) {
+ Object.keys(data.term).forEach(function(key) {
+ conf.term[key] = data.term[key];
+ });
+ }
+
+ res.send('Terminal._opts = '
+ + JSON.stringify(conf.term, null, 2)
+ ';\n'
+ '('
+ applyConfig
+ ')();');
});
-});
+};
-function applyConfig() {
- for (var key in Terminal.options) {
- if (Object.prototype.hasOwnProperty.call(Terminal.options, key)) {
- if (key === 'colors') {
- var l = Terminal.options.colors.length
- , i = 0;
-
- for (; i < l; i++) {
- Terminal.colors[i] = Terminal.options.colors[i];
- }
- } else if (key === 'defaultColors') {
- Terminal.colors[256] = Terminal.defaultColors[0];
- Terminal.colors[257] = Terminal.defaultColors[1];
- } else {
- Terminal[key] = Terminal.options[key];
- }
- }
- }
- delete Terminal.options;
-}
+Server.prototype.initIO = function() {
+ var self = this
+ , io = this.io;
-/**
- * Sockets
- */
+ io.configure(function() {
+ io.disable('log');
+ });
-var io = io.listen(app)
- , state = {};
+ io.set('authorization', function(data, next) {
+ return self.handleAuth(data, next);
+ });
-io.configure(function() {
- io.disable('log');
-});
+ io.sockets.on('connection', function(socket) {
+ return self.handleConnection(socket);
+ });
+};
-io.set('authorization', function(data, next) {
- data.__proto__ = EventEmitter.prototype;
- auth(data, null, function(err) {
+Server.prototype.handleAuth = function(data, next) {
+ var io = this.io;
+ data.__proto__ = Stream.prototype;
+ this._auth(data, null, function(err) {
data.user = data.remoteUser || data.user;
return !err
? next(null, true)
: next(err);
});
-});
+};
-io.sockets.on('connection', function(socket) {
- var req = socket.handshake
- , terms = {}
- , uid = 0;
-
- // Kill older session.
- if (conf.sessions && conf.users) {
- if (state[req.user]) {
- try {
- state[req.user].disconnect();
- } catch (e) {
- ;
- }
- }
- state[req.user] = socket;
- }
+Server.prototype.handleConnection = function(socket) {
+ var session = new Session(this, socket);
+ // XXX Possibly wrap socket events from inside Session
+ // constructor, and do: session.on('create')
+ // or session.on('create term').
socket.on('create', function(cols, rows, func) {
- var id = uid++
- , len = Object.keys(terms).length
- , term;
-
- if (len >= conf.limitPerUser || pty.total >= conf.limitGlobal) {
- return func('Terminal limit.');
- }
-
- term = pty.fork(conf.shell, conf.shellArgs, {
- name: conf.termName,
- cols: cols,
- rows: rows,
- cwd: conf.cwd || process.env.HOME
- });
-
- terms[id] = term;
-
- term.on('data', function(data) {
- socket.emit('data', id, data);
- });
-
- term.on('close', function() {
- // make sure it closes
- // on the clientside
- socket.emit('kill', id);
-
- // ensure removal
- if (terms[id]) delete terms[id];
-
- console.log(
- 'Closed pty (%s): %d.',
- term.pty, term.fd);
- });
-
- console.log(''
- + 'Created shell with pty (%s) master/slave'
- + ' pair (master: %d, pid: %d)',
- term.pty, term.fd, term.pid);
-
- return func(null, {
- pty: term.pty,
- process: sanitize(conf.shell)
- });
+ return session.handleCreate(cols, rows, func);
});
socket.on('data', function(id, data) {
- if (!terms[id]) {
- console.error(''
- + 'Warning: Client attempting to'
- + ' write to a non-existent terminal.'
- + ' (id: %s)', id);
- return;
- }
- terms[id].write(data);
+ return session.handleData(id, data);
});
socket.on('kill', function(id) {
- if (!terms[id]) return;
- terms[id].destroy();
- delete terms[id];
+ return session.handleKill(id);
});
socket.on('resize', function(id, cols, rows) {
- if (!terms[id]) return;
- terms[id].resize(cols, rows);
+ return session.handleResize(id, cols, rows);
});
socket.on('process', function(id, func) {
- if (!terms[id]) return;
- var name = terms[id].process;
- return func(null, sanitize(name));
+ return session.handleProcess(id, func);
});
socket.on('disconnect', function() {
- var key = Object.keys(terms)
- , i = key.length
- , term;
-
- while (i--) {
- term = terms[key[i]];
- term.destroy();
- }
-
- if (state[req.user]) delete state[req.user];
-
- console.log('Client disconnected. Killing all pty\'s...');
+ return session.handleDisconnect();
});
-});
-/**
- * Listen
- */
+ socket.on('request paste', function(func) {
+ return session.handlePaste(func);
+ });
+};
-app.listen(conf.port || 8080, conf.hostname);
+Server.prototype._basicAuth = function() {
+ var self = this
+ , conf = this.conf;
-/**
- * Basic Auth
- */
-
-function basicAuth() {
- if (!conf.users) {
+ if (!Object.keys(conf.users).length) {
return function(req, res, next) {
next();
};
}
- if (conf.hooks && conf.hooks.auth) {
- return express.basicAuth(conf.hooks.auth);
- }
-
var crypto = require('crypto')
+ , users = conf.users
+ , hashedUsers = {}
, saidWarning;
- var sha1 = function(text) {
+ function sha1(text) {
return crypto
.createHash('sha1')
.update(text)
.digest('hex');
- };
+ }
- var hashed = function(hash) {
+ function hashed(hash) {
if (!hash) return;
return hash.length === 40 && !/[^a-f0-9]/.test(hash);
- };
+ }
- var verify = function(user, pass, next) {
- var user = sha1(user)
+ function verify(user, pass, next) {
+ var username = sha1(user)
, password;
- if (!Object.hasOwnProperty.call(conf.users, user)) {
+ if (!Object.hasOwnProperty.call(hashedUsers, username)) {
return next();
}
- password = conf.users[user];
+ password = hashedUsers[username];
- next(null, sha1(pass) === password);
- };
+ if (sha1(pass) !== password) return next(true);
+
+ next(null, user);
+ }
// Hash everything for consistency.
- Object.keys(conf.users).forEach(function(name) {
- if (!saidWarning && !hashed(conf.users[name])) {
- console.log('Warning: You should sha1 your usernames/passwords.');
+ Object.keys(users).forEach(function(name) {
+ if (!saidWarning && !hashed(users[name])) {
+ self.warning('You should sha1 your user information.');
saidWarning = true;
}
@@ -293,18 +267,407 @@ function basicAuth() {
? sha1(name)
: name;
- conf.users[username] = !hashed(conf.users[name])
- ? sha1(conf.users[name])
- : conf.users[name];
-
- if (username !== name) delete conf.users[name];
+ hashedUsers[username] = !hashed(users[name])
+ ? sha1(users[name])
+ : users[name];
});
return express.basicAuth(verify);
+};
+
+Server.prototype.log = function() {
+ return this._log('log', slice.call(arguments));
+};
+
+Server.prototype.error = function() {
+ return this._log('error', slice.call(arguments));
+};
+
+Server.prototype.warning = function() {
+ return this._log('warning', slice.call(arguments));
+};
+
+Server.prototype._log = function(level, args) {
+ if (this.conf.log === false) return;
+ args.unshift(level);
+ return logger.apply(null, args);
+};
+
+Server.prototype.listen = function(port, hostname, func) {
+ port = port || this.conf.port || 8080;
+ hostname = hostname || this.conf.hostname;
+ return this.server.listen(port, hostname, func);
+};
+
+/**
+ * Session
+ */
+
+function Session(server, socket) {
+ this.server = server;
+ this.socket = socket;
+ this.terms = {};
+ this.req = socket.handshake;
+
+ var conf = this.server.conf
+ , terms = this.terms
+ , sessions = this.server.sessions
+ , req = socket.handshake;
+
+ this.user = req.user;
+ this.id = req.user || this.uid();
+
+ // Kill/sync older session.
+ if (conf.syncSession) {
+ var stale = sessions[this.id];
+ if (stale) {
+ // Possibly do something like this instead:
+ // if (!stale.socket.disconnected)
+ // return this.id += '~', sessions[this.id] = this;
+ stale.disconnect();
+ stale.socket = socket;
+ stale.sync();
+ stale.log('Session \x1b[1m%s\x1b[m resumed.', stale.id);
+ return stale;
+ }
+ }
+
+ sessions[this.id] = this;
+
+ this.log('Session \x1b[1m%s\x1b[m created.', this.id);
}
+Session.uid = 0;
+Session.prototype.uid = function() {
+ if (this.server.conf.syncSession) {
+ var req = this.req;
+ return req.address.address
+ + '|' + req.address.port
+ + '|' + req.headers['user-agent'];
+ }
+ return Session.uid++ + '';
+};
+
+Session.prototype.disconnect = function() {
+ try {
+ this.socket._events = {};
+ this.socket.$emit = function() {};
+ this.socket.disconnect();
+ } catch (e) {
+ ;
+ }
+ this.clearTimeout();
+};
+
+Session.prototype.log = function() {
+ return this._log('log', slice.call(arguments));
+};
+
+Session.prototype.error = function() {
+ return this._log('error', slice.call(arguments));
+};
+
+Session.prototype.warning = function() {
+ return this._log('warning', slice.call(arguments));
+};
+
+Session.prototype._log = function(level, args) {
+ if (typeof args[0] !== 'string') args.unshift('');
+ var id = this.id.split('|')[0];
+ args[0] = '\x1b[1m' + id + '\x1b[m ' + args[0];
+ return this.server._log(level, args);
+};
+
+Session.prototype.sync = function() {
+ var self = this
+ , terms = {}
+ , queue = [];
+
+ Object.keys(this.terms).forEach(function(key) {
+ var term = self.terms[key];
+ terms[key] = {
+ id: term.pty,
+ pty: term.pty,
+ cols: term.cols,
+ rows: term.rows,
+ process: sanitize(term.process)
+ };
+ });
+
+ Object.keys(self.terms).forEach(function(key) {
+ var term = self.terms[key]
+ , cols = term.cols
+ , rows = term.rows;
+
+ // A tricky way to get processes to redraw.
+ // Some programs won't redraw unless the
+ // terminal has actually been resized.
+ term.resize(cols + 1, rows + 1);
+ queue.push(function() {
+ term.resize(cols, rows);
+ });
+
+ // Send SIGWINCH to our processes, and hopefully
+ // they will redraw for our resumed session.
+ // self.terms[key].kill('SIGWINCH');
+ });
+
+ setTimeout(function() {
+ queue.forEach(function(item) {
+ item();
+ });
+ }, 30);
+
+ this.socket.emit('sync', terms);
+};
+
+Session.prototype.handleCreate = function(cols, rows, func) {
+ var self = this
+ , terms = this.terms
+ , conf = this.server.conf
+ , socket = this.socket;
+
+ var len = Object.keys(terms).length
+ , term
+ , id;
+
+ if (len >= conf.limitPerUser || pty.total >= conf.limitGlobal) {
+ this.warning('Terminal limit reached.');
+ return func({ error: 'Terminal limit.' });
+ }
+
+ var shell = typeof conf.shell === 'function'
+ ? conf.shell(this)
+ : conf.shell;
+
+ var shellArgs = typeof conf.shellArgs === 'function'
+ ? conf.shellArgs(this)
+ : conf.shellArgs;
+
+ term = pty.fork(shell, shellArgs, {
+ name: conf.termName,
+ cols: cols,
+ rows: rows,
+ cwd: conf.cwd || process.env.HOME
+ });
+
+ id = term.pty;
+ terms[id] = term;
+
+ term.on('data', function(data) {
+ self.socket.emit('data', id, data);
+ });
+
+ term.on('close', function() {
+ // Make sure it closes
+ // on the clientside.
+ self.socket.emit('kill', id);
+
+ // Ensure removal.
+ if (terms[id]) delete terms[id];
+
+ self.log(
+ 'Closed pty (%s): %d.',
+ term.pty, term.fd);
+ });
+
+ this.log(
+ 'Created pty (id: %s, master: %d, pid: %d).',
+ id, term.fd, term.pid);
+
+ return func(null, {
+ id: id,
+ pty: term.pty,
+ process: sanitize(conf.shell)
+ });
+};
+
+Session.prototype.handleData = function(id, data) {
+ var terms = this.terms;
+ if (!terms[id]) {
+ this.warning(''
+ + 'Client attempting to'
+ + ' write to a non-existent terminal.'
+ + ' (id: %s)', id);
+ return;
+ }
+ terms[id].write(data);
+};
+
+Session.prototype.handleKill = function(id) {
+ var terms = this.terms;
+ if (!terms[id]) return;
+ terms[id].destroy();
+ delete terms[id];
+};
+
+Session.prototype.handleResize = function(id, cols, rows) {
+ var terms = this.terms;
+ if (!terms[id]) return;
+ terms[id].resize(cols, rows);
+};
+
+Session.prototype.handleProcess = function(id, func) {
+ var terms = this.terms;
+ if (!terms[id]) return;
+ var name = terms[id].process;
+ return func(null, sanitize(name));
+};
+
+Session.prototype.handleDisconnect = function() {
+ var self = this
+ , terms = this.terms
+ , sessions = this.server.sessions
+ , conf = this.server.conf;
+
+ // XXX Possibly create a second/different
+ // destroy function to accompany the one
+ // above?
+ function destroy() {
+ var key = Object.keys(terms)
+ , i = key.length
+ , term;
+
+ while (i--) {
+ term = terms[key[i]];
+ delete terms[key[i]];
+ term.destroy();
+ }
+
+ if (sessions[self.id]) {
+ delete sessions[self.id];
+ }
+
+ self.log('Killing all pty\'s.');
+ }
+
+ this.log('Client disconnected.');
+
+ if (!conf.syncSession) {
+ return destroy();
+ }
+
+ if (conf.sessionTimeout <= 0 || conf.sessionTimeout === Infinity) {
+ return this.log('Preserving session forever.');
+ }
+
+ // XXX This could be done differently.
+ this.setTimeout(conf.sessionTimeout, destroy);
+ this.log(
+ 'Preserving session for %d minutes.',
+ conf.sessionTimeout / 1000 / 60 | 0);
+};
+
+Session.prototype.handlePaste = function(func) {
+ var execFile = require('child_process').execFile;
+
+ function exec(args) {
+ var file = args.shift();
+ return execFile(file, args, function(err, stdout, stderr) {
+ if (err) return func(err);
+ if (stderr && !stdout) return func(new Error(stderr));
+ return func(null, stdout);
+ });
+ }
+
+ // X11:
+ return exec(['xsel', '-o', '-p'], function(err, text) {
+ if (!err) return func(null, text);
+ return exec(['xclip', '-o', '-selection', 'primary'], function(err, text) {
+ if (!err) return func(null, text);
+ // Mac:
+ return exec(['pbpaste'], function(err, text) {
+ if (!err) return func(null, text);
+ // Windows:
+ // return exec(['sfk', 'fromclip'], function(err, text) {
+ return func(new Error('Failed to get clipboard contents.'));
+ });
+ });
+ });
+};
+
+Session.prototype.setTimeout = function(time, func) {
+ this.clearTimeout();
+ this.timeout = setTimeout(func.bind(this), time);
+};
+
+Session.prototype.clearTimeout = function() {
+ if (!this.timeout) return;
+ clearTimeout(this.timeout);
+ delete this.timeout;
+};
+
+/**
+ * "Inherit" Express Methods
+ */
+
+// Methods
+Object.keys(express.application).forEach(function(key) {
+ if (Server.prototype[key]) return;
+ Server.prototype[key] = function() {
+ return this.app[key].apply(this.app, arguments);
+ };
+});
+
+// Middleware
+Object.getOwnPropertyNames(express).forEach(function(key) {
+ var prop = Object.getOwnPropertyDescriptor(express, key);
+ if (typeof prop.get !== 'function') return;
+ Object.defineProperty(Server, key, prop);
+});
+
+// Server Methods
+Object.keys(EventEmitter.prototype).forEach(function(key) {
+ if (Server.prototype[key]) return;
+ Server.prototype[key] = function() {
+ return this.server[key].apply(this.server, arguments);
+ };
+});
+
+/**
+ * Helpers
+ */
+
+var slice = Array.prototype.slice;
+
function sanitize(file) {
if (!file) return '';
file = file.split(' ')[0] || '';
return path.basename(file) || '';
}
+
+function applyConfig() {
+ var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+ for (var key in Terminal._opts) {
+ if (!hasOwnProperty.call(Terminal._opts, key)) continue;
+ if (typeof Terminal._opts[key] === 'object' && Terminal._opts[key]) {
+ if (!Terminal[key]) {
+ Terminal[key] = Terminal._opts[key];
+ continue;
+ }
+ for (var k in Terminal._opts[key]) {
+ if (hasOwnProperty.call(Terminal._opts[key], k)) {
+ Terminal[key][k] = Terminal._opts[key][k];
+ }
+ }
+ } else {
+ Terminal[key] = Terminal._opts[key];
+ }
+ }
+
+ delete Terminal._opts;
+}
+
+/**
+ * Expose
+ */
+
+exports = Server;
+exports.Server = Server;
+exports.Session = Session;
+exports.config = config;
+exports.logger = logger;
+exports.createServer = Server;
+
+module.exports = exports;
diff --git a/man/tty.js.1 b/man/tty.js.1
index 581c89bc..ea264854 100644
--- a/man/tty.js.1
+++ b/man/tty.js.1
@@ -1,14 +1,18 @@
.ds q \N'34'
.TH tty.js 1
+
.SH NAME
tty.js \- a terminal for your browser
+
.SH SYNOPSIS
.nf
.B tty.js [\-p port] [\-\-config file] [\-d]
.fi
+
.SH DESCRIPTION
.B tty.js
is an xterm for your browser.
+
.SH OPTIONS
.TP
.BI \-p,\ \-\-port\ [port]
@@ -27,7 +31,9 @@ Display help information.
tty.js -d -p 3000
.TP
tty.js --config ~/my_config.json
+
.SH BUGS
Please report any bugs to https://github.com/chjj/tty.js.
+
.SH LICENSE
-Copyright (c) 2012, Christopher Jeffrey (MIT License)
+Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
diff --git a/package.json b/package.json
index f9cd02db..73f4c7cd 100644
--- a/package.json
+++ b/package.json
@@ -2,19 +2,22 @@
"name": "tty.js",
"description": "A terminal for your browser",
"author": "Christopher Jeffrey",
- "version": "0.2.0",
- "main": "./lib/tty.js",
+ "version": "0.2.15",
+ "license": "MIT",
+ "main": "./index.js",
"bin": "./bin/tty.js",
"man": "./man/tty.js.1",
"preferGlobal": false,
"repository": "git://github.com/chjj/tty.js.git",
"homepage": "https://github.com/chjj/tty.js",
"bugs": { "url": "https://github.com/chjj/tty.js/issues" },
- "keywords": [ "tty", "terminal" ],
- "tags": [ "tty", "terminal" ],
+ "keywords": ["tty", "terminal", "term", "xterm"],
+ "tags": ["tty", "terminal", "term", "xterm"],
"dependencies": {
- "express": ">= 2.5.8",
- "socket.io": ">= 0.8.7",
- "pty.js": ">= 0.0.6"
- }
+ "express": "3.4.4",
+ "socket.io": "0.9.16",
+ "pty.js": ">= 0.2.13",
+ "term.js": ">= 0.0.5"
+ },
+ "engines": { "node": ">= 0.8.0" }
}
diff --git a/static/index.html b/static/index.html
index 099e3845..458d295e 100644
--- a/static/index.html
+++ b/static/index.html
@@ -1,7 +1,7 @@
tty.js
-
-
+
+
tty.js
@@ -16,8 +16,8 @@ tty.js
-
-
-
-
-
+
+
+
+
+
diff --git a/static/style.css b/static/style.css
index 6b231b14..d1d12041 100644
--- a/static/style.css
+++ b/static/style.css
@@ -1,6 +1,6 @@
/**
* style.css (https://github.com/chjj/tty.js)
- * Copyright (c) 2012, Christopher Jeffrey (MIT License)
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
*/
html, body {
@@ -179,3 +179,5 @@ h1 {
bottom: 10px;
left: 10px;
}
+
+.dark h1, .dark #help { display: none; }
diff --git a/static/term.js b/static/term.js
deleted file mode 100644
index 859eed00..00000000
--- a/static/term.js
+++ /dev/null
@@ -1,3427 +0,0 @@
-/**
- * tty.js - an xterm emulator
- * Christopher Jeffrey (https://github.com/chjj/tty.js)
- *
- * Originally forked from (with the author's permission):
- *
- * Fabrice Bellard's javascript vt100 for jslinux:
- * http://bellard.org/jslinux/
- * Copyright (c) 2011 Fabrice Bellard
- * (Redistribution or commercial use is prohibited
- * without the author's permission.)
- *
- * The original design remains. The terminal itself
- * has been extended to include xterm CSI codes, among
- * other features.
-*/
-
-;(function() {
-
-/**
- * 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
- */
-
-'use strict';
-
-/**
- * States
- */
-
-var normal = 0
- , escaped = 1
- , csi = 2
- , osc = 3
- , charset = 4;
-
-/**
- * Terminal
- */
-
-var Terminal = function(cols, rows, handler) {
- this.cols = cols;
- this.rows = rows;
- this.handler = handler;
- this.ybase = 0;
- this.ydisp = 0;
- this.x = 0;
- this.y = 0;
- this.cursorState = 0;
- this.cursorHidden = false;
- this.convertEol = false;
- this.state = 0;
- this.outputQueue = '';
- this.scrollTop = 0;
- this.scrollBottom = this.rows - 1;
-
- this.applicationKeypad = false;
- this.originMode = false;
- this.insertMode = false;
- this.wraparoundMode = false;
- this.mouseEvents;
- this.tabs = [];
- this.charset = null;
- this.normal = null;
-
- this.defAttr = (257 << 9) | 256;
- this.curAttr = this.defAttr;
- this.keyState = 0;
- this.keyStr = '';
-
- this.params = [];
- this.currentParam = 0;
-
- this.lines = [];
- var i = this.rows;
- while (i--) {
- this.lines.push(this.blankLine());
- }
-};
-
-/**
- * Options
- */
-
-Terminal.colors = [
- // dark:
- '#2e3436',
- '#cc0000',
- '#4e9a06',
- '#c4a000',
- '#3465a4',
- '#75507b',
- '#06989a',
- '#d3d7cf',
- // bright:
- '#555753',
- '#ef2929',
- '#8ae234',
- '#fce94f',
- '#729fcf',
- '#ad7fa8',
- '#34e2e2',
- '#eeeeec'
-];
-
-// Convert xterm 256 color codes into CSS hex codes.
-// Much thanks to TooTallNate for writing this.
-Terminal.colors = function() {
- var colors
- , r
- , i
- , c;
-
- // Basic first 16 colors
- colors = [
- [0x00, 0x00, 0x00], [0xcd, 0x00, 0x00],
- [0x00, 0xcd, 0x00], [0xcd, 0xcd, 0x00],
- [0x00, 0x00, 0xee], [0xcd, 0x00, 0xcd],
- [0x00, 0xcd, 0xcd], [0xe5, 0xe5, 0xe5],
- [0x7f, 0x7f, 0x7f], [0xff, 0x00, 0x00],
- [0x00, 0xff, 0x00], [0xff, 0xff, 0x00],
- [0x5c, 0x5c, 0xff], [0xff, 0x00, 0xff],
- [0x00, 0xff, 0xff], [0xff, 0xff, 0xff]
- ];
-
- // Numbers used to generate the conversion table
- r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];
-
- // Middle 218 colors, 6 sets of 6 tables of 6
- i = 0;
- for (; i < 217; i++) {
- colors.push([r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]]);
- }
-
- // Ending with grayscale for the remainder
- i = 0;
- for (; i < 23; i++){
- r = 8 + i * 10;
- colors.push([r, r, r]);
- }
-
- // Now convert to CSS hex codes
- i = 0;
- for (; i < 256; i++) {
- c = colors[i];
- c[0] = c[0].toString(16);
- c[1] = c[1].toString(16);
- c[2] = c[2].toString(16);
-
- if (c[0].length < 2) {
- c[0] = '0' + c[0];
- }
-
- if (c[1].length < 2) {
- c[1] = '0' + c[1];
- }
-
- if (c[2].length < 2) {
- c[2] = '0' + c[2];
- }
-
- colors[i] = '#' + c.join('');
- }
-
- colors = Terminal.colors.concat(colors.slice(16));
-
- return colors;
-}();
-
-Terminal.defaultColors = [
- // default bg/fg:
- '#000000',
- '#f0f0f0'
-];
-
-Terminal.colors[256] = Terminal.defaultColors[0];
-Terminal.colors[257] = Terminal.defaultColors[1];
-
-Terminal.termName = '';
-Terminal.geometry = [80, 30];
-Terminal.cursorBlink = true;
-Terminal.visualBell = false;
-Terminal.popOnBell = false;
-Terminal.scrollback = 1000;
-Terminal.screenKeys = false;
-
-/**
- * Focused Terminal
- */
-
-Terminal.focus = null;
-
-Terminal.prototype.focus = function() {
- if (Terminal.focus === this) return;
- if (Terminal.focus) {
- Terminal.focus.cursorState = 0;
- Terminal.focus.refresh(Terminal.focus.y, Terminal.focus.y);
- }
- Terminal.focus = this;
- this.showCursor();
-};
-
-/**
- * Global Events for key handling
- */
-
-Terminal.bindKeys = function() {
- if (Terminal.focus) return;
-
- // We could put an "if (Term.focus)" check
- // here, but it shouldn't be necessary.
- on(document, 'keydown', function(key) {
- return Terminal.focus.keyDownHandler(key);
- }, true);
-
- on(document, 'keypress', function(key) {
- return Terminal.focus.keyPressHandler(key);
- }, true);
-};
-
-/**
- * Open Terminal
- */
-
-Terminal.prototype.open = function() {
- var self = this
- , i = 0
- , div;
-
- this.element = document.createElement('div');
- this.element.className = 'terminal';
- this.children = [];
-
- for (; i < this.rows; i++) {
- div = document.createElement('div');
- this.element.appendChild(div);
- this.children.push(div);
- }
-
- document.body.appendChild(this.element);
-
- this.refresh(0, this.rows - 1);
-
- Terminal.bindKeys();
- this.focus();
-
- this.startBlink();
-
- on(this.element, 'mousedown', function() {
- self.focus();
- });
-
- // This probably shouldn't work,
- // ... but it does. Firefox's paste
- // event seems to only work for textareas?
- on(this.element, 'mousedown', function(ev) {
- var button = ev.button != null
- ? +ev.button
- : ev.which != null
- ? ev.which - 1
- : null;
-
- // Does IE9 do this?
- if (~navigator.userAgent.indexOf('MSIE')) {
- button = button === 1 ? 0 : button === 4 ? 1 : button;
- }
-
- if (button !== 2) return;
-
- self.element.contentEditable = 'true';
- setTimeout(function() {
- self.element.contentEditable = 'inherit'; // 'false';
- }, 1);
- }, true);
-
- on(this.element, 'paste', function(ev) {
- if (ev.clipboardData) {
- self.queueChars(ev.clipboardData.getData('text/plain'));
- } else if (window.clipboardData) {
- self.queueChars(window.clipboardData.getData('Text'));
- }
- // Not necessary. Do it anyway for good measure.
- self.element.contentEditable = 'inherit';
- return cancel(ev);
- });
-
- this.bindMouse();
-
- // XXX - hack, move this somewhere else.
- if (Terminal.brokenBold == null) {
- Terminal.brokenBold = isBoldBroken();
- }
-
- // sync default bg/fg colors
- this.element.style.backgroundColor = Terminal.colors[256];
- this.element.style.color = Terminal.colors[257];
-
- // otherwise:
- // Terminal.colors[256] = css(this.element, 'background-color');
- // Terminal.colors[257] = css(this.element, 'color');
-};
-
-// 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;
-
- var wheelEvent = 'onmousewheel' in window
- ? 'mousewheel'
- : 'DOMMouseScroll';
-
- // mouseup, mousedown, mousewheel
- // left click: ^[[M 3<^[[M#3<
- // mousewheel 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.type) {
- case 'mousedown':
- pressed = button;
- break;
- case 'mouseup':
- // keep it at the left
- // button, just in case.
- pressed = 32;
- break;
- case wheelEvent:
- // 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);
- }
-
- // send a mouse event:
- // ^[[M Cb Cx Cy
- function sendEvent(button, pos) {
- self.queueChars('\x1b[M' + String.fromCharCode(button, pos.x, pos.y));
- }
-
- 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.type) {
- case 'mousedown':
- button = ev.button != null
- ? +ev.button
- : ev.which != null
- ? ev.which - 1
- : null;
-
- if (~navigator.userAgent.indexOf('MSIE')) {
- button = button === 1 ? 0 : button === 4 ? 1 : button;
- }
- break;
- case 'mouseup':
- button = 3;
- break;
- case 'DOMMouseScroll':
- button = ev.detail < 0
- ? 64
- : 65;
- break;
- case 'mousewheel':
- 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;
-
- // 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 !== document.documentElement) {
- x -= el.offsetLeft;
- y -= el.offsetTop;
- el = el.parentNode;
- }
-
- // convert to cols/rows
- w = self.element.clientWidth;
- h = self.element.clientHeight;
- x = ((x / w) * self.cols) | 0;
- y = ((y / h) * self.rows) | 0;
-
- // 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 };
- }
-
- on(el, 'mousedown', function(ev) {
- if (!self.mouseEvents) return;
-
- // send the button
- sendButton(ev);
-
- // ensure focus
- self.focus();
-
- // bind events
- on(document, 'mousemove', sendMove);
- on(document, 'mouseup', function up(ev) {
- sendButton(ev);
- off(document, 'mousemove', sendMove);
- off(document, 'mouseup', up);
- return cancel(ev);
- });
-
- return cancel(ev);
- });
-
- on(el, wheelEvent, function(ev) {
- if (!self.mouseEvents) return;
- sendButton(ev);
- return cancel(ev);
- });
-
- // allow mousewheel scrolling in
- // the shell for example
- on(el, wheelEvent, function(ev) {
- if (self.mouseEvents) return;
- if (self.applicationKeypad) return;
- if (ev.type === 'DOMMouseScroll') {
- self.scrollDisp(ev.detail < 0 ? -5 : 5);
- } else {
- self.scrollDisp(ev.wheelDeltaY > 0 ? -5 : 5);
- }
- return cancel(ev);
- });
-};
-
-/**
- * Rendering Engine
- */
-
-// In the screen buffer, each character
-// is stored as a 32-bit integer.
-// First 16 bits: a utf-16 character.
-// Next 5 bits: background color (0-31).
-// Next 5 bits: foreground color (0-31).
-// Next 6 bits: a mask for misc. flags:
-// 1=bold, 2=underline, 4=inverse
-
-Terminal.prototype.refresh = function(start, end) {
- var x
- , y
- , i
- , line
- , out
- , ch
- , width
- , data
- , attr
- , fgColor
- , bgColor
- , flags
- , row
- , parent;
-
- width = this.cols;
-
- if (end - start === this.rows - 1) {
- parent = this.element.parentNode;
- if (parent) parent.removeChild(this.element);
- }
-
- for (y = start; y <= end; y++) {
- row = y + this.ydisp;
-
- line = this.lines[row];
- out = '';
-
- if (y === this.y
- && this.cursorState
- && this.ydisp === this.ybase
- && !this.cursorHidden) {
- x = this.x;
- } else {
- x = -1;
- }
-
- attr = this.defAttr;
-
- for (i = 0; i < width; i++) {
- data = line[i][0];
- ch = line[i][1];
-
- if (i === x) data = -1;
-
- if (data !== attr) {
- if (attr !== this.defAttr) {
- out += '';
- }
- if (data !== this.defAttr) {
- if (data === -1) {
- out += '';
- } else {
- out += '';
- }
- }
- }
-
- switch (ch) {
- case ' ':
- out += ' ';
- break;
- case '&':
- out += '&';
- break;
- case '<':
- out += '<';
- break;
- case '>':
- out += '>';
- break;
- default:
- if (ch < ' ') {
- out += ' ';
- } else {
- out += ch;
- }
- break;
- }
-
- attr = data;
- }
-
- if (attr !== this.defAttr) {
- out += '';
- }
-
- this.children[y].innerHTML = out;
- }
-
- if (parent) parent.appendChild(this.element);
-};
-
-Terminal.prototype.cursorBlink = function() {
- if (Terminal.focus !== this) return;
- this.cursorState ^= 1;
- this.refresh(this.y, this.y);
-};
-
-Terminal.prototype.showCursor = function() {
- if (!this.cursorState) {
- this.cursorState = 1;
- this.refresh(this.y, this.y);
- } else {
- // Temporarily disabled:
- // this.refreshBlink();
- }
-};
-
-Terminal.prototype.startBlink = function() {
- if (!Terminal.cursorBlink) return;
- var self = this;
- this._blinker = function() {
- self.cursorBlink();
- };
- this._blink = setInterval(this._blinker, 500);
-};
-
-Terminal.prototype.refreshBlink = function() {
- if (!Terminal.cursorBlink) return;
- clearInterval(this._blink);
- this._blink = setInterval(this._blinker, 500);
-};
-
-Terminal.prototype.scroll = function() {
- var row;
-
- if (++this.ybase === Terminal.scrollback) {
- this.ybase = this.ybase / 2 | 0;
- this.lines = this.lines.slice(-(this.ybase + this.rows) + 1);
- }
-
- this.ydisp = this.ybase;
-
- // last line
- row = this.ybase + this.rows - 1;
-
- // subtract the bottom scroll region
- row -= this.rows - 1 - this.scrollBottom;
-
- // potential optimization
- // if (row === this.lines.length) {
- // 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--;
- this.ydisp = this.ybase;
- }
- this.lines.splice(this.ybase + this.scrollTop, 1);
- }
-};
-
-Terminal.prototype.scrollDisp = function(disp) {
- this.ydisp += disp;
-
- if (this.ydisp > this.ybase) {
- this.ydisp = this.ybase;
- } else if (this.ydisp < 0) {
- this.ydisp = 0;
- }
-
- this.refresh(0, this.rows - 1);
-};
-
-Terminal.prototype.write = function(str) {
- // console.log(JSON.stringify(str.replace(/\x1b/g, '^[')));
-
- var l = str.length
- , i = 0
- , ch
- , param
- , row;
-
- this.refreshStart = this.rows;
- this.refreshEnd = -1;
- this.getRows(this.y);
-
- if (this.ybase !== this.ydisp) {
- this.ydisp = this.ybase;
- this.refreshStart = 0;
- this.refreshEnd = this.rows - 1;
- }
-
- for (; i < l; i++) {
- ch = str[i];
- switch (this.state) {
- case normal:
- switch (ch) {
- // '\0'
- case '\0':
- break;
-
- // '\a'
- 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 + 1) {
- this.y--;
- this.scroll();
- this.refreshStart = 0;
- this.refreshEnd = this.rows - 1;
- }
- break;
-
- // '\r'
- case '\r':
- this.x = 0;
- break;
-
- // '\b'
- case '\x08':
- if (this.x > 0) {
- this.x--;
- }
- break;
-
- // '\t'
- case '\t':
- // should check tabstops
- param = (this.x + 8) & ~7;
- if (param <= this.cols) {
- this.x = param;
- }
- break;
-
- // '\e'
- case '\x1b':
- this.state = escaped;
- break;
-
- default:
- // ' '
- if (ch >= ' ') {
- if (this.charset && this.charset[ch]) {
- ch = this.charset[ch];
- }
- if (this.x >= this.cols) {
- this.x = 0;
- this.y++;
- if (this.y >= this.scrollBottom + 1) {
- this.y--;
- this.scroll();
- this.refreshStart = 0;
- this.refreshEnd = this.rows - 1;
- }
- }
- row = this.y + this.ybase;
- this.lines[row][this.x] = [this.curAttr, ch];
- this.x++;
- this.getRows(this.y);
- }
- 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.state = osc;
- break;
-
- // ESC _ Application Program Command ( APC is 0x9f).
- case '_':
- this.state = osc;
- break;
-
- // ESC ^ Privacy Message ( PM is 0x9e).
- case '^':
- this.state = osc;
- 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.state = normal;
- i++;
- break;
-
- // ESC (,),*,+,-,. Designate G0-G2 Character Set.
- case '(': // <-- this seems to get all the attention
- case ')':
- case '*':
- case '+':
- case '-':
- case '.':
- this.state = charset;
- break;
-
- // Designate G3 Character Set (VT300).
- // A = ISO Latin-1 Supplemental.
- // Not implemented.
- case '/':
- this.charset = null;
- this.state = normal;
- i++;
- 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(this.x);
- this.state = normal;
- break;
-
- // ESC = Application Keypad (DECPAM).
- case '=':
- console.log('Serial port requested application keypad.');
- this.applicationKeypad = true;
- this.state = normal;
- break;
-
- // ESC > Normal Keypad (DECPNM).
- case '>':
- console.log('Switching back to normal keypad.');
- this.applicationKeypad = false;
- this.state = normal;
- break;
-
- default:
- this.state = normal;
- console.log('Unknown ESC control: ' + ch + '.');
- break;
- }
- break;
-
- case charset:
- switch (ch) {
- // DEC Special Character and Line Drawing Set.
- case '0':
- this.charset = SCLD;
- break;
- // United States (USASCII).
- case 'B':
- default:
- this.charset = null;
- break;
- }
- this.state = normal;
- break;
-
- case osc:
- if (ch !== '\x1b' && ch !== '\x07') break;
- console.log('Unknown OSC code.');
- this.state = normal;
- // increment for the trailing slash in ST
- if (ch === '\x1b') i++;
- 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;
- // this.currentParam += ch;
- break;
- }
-
- // '$', '"', ' ', '\''
- if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') {
- this.postfix = ch;
- break;
- }
-
- this.params[this.params.length] = this.currentParam;
- // this.params[this.params.length] = +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':
- this.charAttributes(this.params);
- break;
-
- // CSI Ps n Device Status Report (DSR).
- case 'n':
- 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 > 1) {
- // this.initMouseTracking(this.params);
- // break;
- // }
- 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:
- console.log('Unknown CSI code: %s', ch, this.params);
- break;
- }
-
- this.prefix = '';
- this.postfix = '';
- break;
- }
- }
-
- this.getRows(this.y);
-
- if (this.refreshEnd >= this.refreshStart) {
- this.refresh(this.refreshStart, this.refreshEnd);
- }
-};
-
-Terminal.prototype.writeln = function(str) {
- this.write(str + '\r\n');
-};
-
-Terminal.prototype.keyDownHandler = function(ev) {
- var str = '';
- switch (ev.keyCode) {
- // backspace
- case 8:
- str = '\x7f'; // ^?
- //str = '\x08'; // ^H
- break;
- // tab
- case 9:
- str = '\t';
- break;
- // return/enter
- case 13:
- str = '\r';
- break;
- // escape
- case 27:
- str = '\x1b';
- break;
- // left-arrow
- case 37:
- if (this.applicationKeypad) {
- str = '\x1bOD'; // SS3 as ^[O for 7-bit
- //str = '\x8fD'; // SS3 as 0x8f for 8-bit
- break;
- }
- str = '\x1b[D';
- break;
- // right-arrow
- case 39:
- if (this.applicationKeypad) {
- str = '\x1bOC';
- break;
- }
- str = '\x1b[C';
- break;
- // up-arrow
- case 38:
- if (this.applicationKeypad) {
- str = '\x1bOA';
- break;
- }
- if (ev.ctrlKey) {
- this.scrollDisp(-1);
- return cancel(ev);
- } else {
- str = '\x1b[A';
- }
- break;
- // down-arrow
- case 40:
- if (this.applicationKeypad) {
- str = '\x1bOB';
- break;
- }
- if (ev.ctrlKey) {
- this.scrollDisp(1);
- return cancel(ev);
- } else {
- str = '\x1b[B';
- }
- break;
- // delete
- case 46:
- str = '\x1b[3~';
- break;
- // insert
- case 45:
- str = '\x1b[2~';
- break;
- // home
- case 36:
- if (this.applicationKeypad) {
- str = '\x1bOH';
- break;
- }
- str = '\x1bOH';
- break;
- // end
- case 35:
- if (this.applicationKeypad) {
- str = '\x1bOF';
- break;
- }
- str = '\x1bOF';
- break;
- // page up
- case 33:
- if (ev.shiftKey) {
- this.scrollDisp(-(this.rows - 1));
- return cancel(ev);
- } else {
- str = '\x1b[5~';
- }
- break;
- // page down
- case 34:
- if (ev.shiftKey) {
- this.scrollDisp(this.rows - 1);
- return cancel(ev);
- } else {
- str = '\x1b[6~';
- }
- break;
- // F1
- case 112:
- str = '\x1bOP';
- break;
- // F2
- case 113:
- str = '\x1bOQ';
- break;
- // F3
- case 114:
- str = '\x1bOR';
- break;
- // F4
- case 115:
- str = '\x1bOS';
- break;
- // F5
- case 116:
- str = '\x1b[15~';
- break;
- // F6
- case 117:
- str = '\x1b[17~';
- break;
- // F7
- case 118:
- str = '\x1b[18~';
- break;
- // F8
- case 119:
- str = '\x1b[19~';
- break;
- // F9
- case 120:
- str = '\x1b[20~';
- break;
- // F10
- case 121:
- str = '\x1b[21~';
- break;
- // F11
- case 122:
- str = '\x1b[23~';
- break;
- // F12
- case 123:
- str = '\x1b[24~';
- break;
- default:
- // a-z and space
- if (ev.ctrlKey) {
- if (ev.keyCode >= 65 && ev.keyCode <= 90) {
- str = String.fromCharCode(ev.keyCode - 64);
- } else if (ev.keyCode === 32) {
- // NUL
- str = String.fromCharCode(0);
- } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
- // escape, file sep, group sep, record sep, unit sep
- str = String.fromCharCode(ev.keyCode - 51 + 27);
- } else if (ev.keyCode === 56) {
- // delete
- str = String.fromCharCode(127);
- } else if (ev.keyCode === 219) {
- // ^[ - escape
- str = String.fromCharCode(27);
- } else if (ev.keyCode === 221) {
- // ^] - group sep
- str = String.fromCharCode(29);
- }
- } else if ((!isMac && ev.altKey) || (isMac && ev.metaKey)) {
- if (ev.keyCode >= 65 && ev.keyCode <= 90) {
- str = '\x1b' + String.fromCharCode(ev.keyCode + 32);
- } else if (ev.keyCode >= 48 && ev.keyCode <= 57) {
- str = '\x1b' + (ev.keyCode - 48);
- }
- }
- break;
- }
-
- if (str) {
- cancel(ev);
-
- this.showCursor();
- this.keyState = 1;
- this.keyStr = str;
- this.handler(str);
-
- return false;
- } else {
- this.keyState = 0;
- return true;
- }
-};
-
-Terminal.prototype.keyPressHandler = function(ev) {
- var str = ''
- , key;
-
- cancel(ev);
-
- if (!('charCode' in ev)) {
- key = ev.keyCode;
- if (this.keyState === 1) {
- this.keyState = 2;
- return false;
- } else if (this.keyState === 2) {
- this.showCursor();
- this.handler(this.keyStr);
- return false;
- }
- } else {
- key = ev.charCode;
- }
-
- if (key !== 0) {
- if (!ev.ctrlKey
- && ((!isMac && !ev.altKey)
- || (isMac && !ev.metaKey))) {
- str = String.fromCharCode(key);
- }
- }
-
- if (str) {
- this.showCursor();
- this.handler(str);
- return false;
- } else {
- return true;
- }
-};
-
-Terminal.prototype.queueChars = function(str) {
- var self = this;
-
- this.outputQueue += str;
-
- if (this.outputQueue) {
- setTimeout(function() {
- self.outputHandler();
- }, 1);
- }
-};
-
-Terminal.prototype.outputHandler = function() {
- if (this.outputQueue) {
- this.handler(this.outputQueue);
- this.outputQueue = '';
- }
-};
-
-Terminal.prototype.bell = function() {
- if (!Terminal.visualBell) return;
- var self = this;
- this.element.style.borderColor = 'white';
- setTimeout(function() {
- self.element.style.borderColor = '';
- }, 10);
- if (Terminal.popOnBell) this.focus();
-};
-
-Terminal.prototype.resize = function(x, y) {
- var line
- , el
- , i
- , j;
-
- if (x < 1) x = 1;
- if (y < 1) y = 1;
-
- // resize cols
- j = this.cols;
- if (j < x) {
- i = this.lines.length;
- while (i--) {
- while (this.lines[i].length < x) {
- this.lines[i].push([this.defAttr, ' ']);
- }
- }
- } else if (j > x) {
- i = this.lines.length;
- while (i--) {
- while (this.lines[i].length > x) {
- this.lines[i].pop();
- }
- }
- }
- this.cols = x;
-
- // resize rows
- j = this.rows;
- if (j < y) {
- el = this.element;
- while (j++ < y) {
- if (this.lines.length < y + this.ybase) {
- this.lines.push(this.blankLine());
- }
- if (this.children.length < y) {
- line = document.createElement('div');
- el.appendChild(line);
- this.children.push(line);
- }
- }
- } else if (j > y) {
- while (j-- > y) {
- if (this.lines.length > y + this.ybase) {
- this.lines.pop();
- }
- if (this.children.length > y) {
- el = this.children.pop();
- if (!el) continue;
- el.parentNode.removeChild(el);
- }
- }
- }
- this.rows = y;
-
- // make sure the cursor stays on screen
- if (this.y >= y) this.y = y - 1;
- if (this.x >= x) this.x = x - 1;
-
- this.scrollTop = 0;
- this.scrollBottom = y - 1;
- this.refreshStart = 0;
- this.refreshEnd = y - 1;
-
- this.refresh(0, this.rows - 1);
-
- // it's a real nightmare trying
- // to resize the original
- // screen buffer. just set it
- // to null for now.
- this.normal = null;
-};
-
-Terminal.prototype.getRows = function(y) {
- this.refreshStart = Math.min(this.refreshStart, y);
- this.refreshEnd = Math.max(this.refreshEnd, y);
-};
-
-Terminal.prototype.eraseLine = function(x, y) {
- var line, i, ch, row;
-
- row = this.ybase + y;
-
- line = this.lines[row];
- // xterm, linux:
- ch = [this.curAttr, ' '];
-
- for (i = x; i < this.cols; i++) {
- line[i] = ch;
- }
-
- this.getRows(y);
-};
-
-Terminal.prototype.blankLine = function(cur) {
- var attr = cur
- ? this.curAttr
- : this.defAttr;
-
- var ch = [attr, ' ']
- , line = []
- , i = 0;
-
- for (; i < this.cols; i++) {
- line[i] = ch;
- }
-
- return line;
-};
-
-/**
- * ESC
- */
-
-// ESC D Index (IND is 0x84).
-Terminal.prototype.index = function() {
- this.y++;
- if (this.y >= this.scrollBottom + 1) {
- this.y--;
- this.scroll();
- this.refreshStart = 0;
- this.refreshEnd = this.rows - 1;
- }
- 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++;
- // echo -ne '\e[1;1H\e[44m\eM\e[0m'
- // use this.blankLine(false) for screen behavior
- this.lines.splice(this.y + this.ybase, 0, this.blankLine(true));
- j = this.rows - 1 - this.scrollBottom;
- // add an extra one because we just added a line
- // maybe put this above
- this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1);
- this.refreshStart = 0;
- this.refreshEnd = this.rows - 1;
- }
- this.state = normal;
-};
-
-// ESC c Full Reset (RIS).
-Terminal.prototype.reset = function() {
- Terminal.call(this, this.cols, this.rows, this.handler);
-};
-
-/**
- * CSI
- */
-
-// CSI Ps A
-// Cursor Up Ps Times (default = 1) (CUU).
-Terminal.prototype.cursorUp = function(params) {
- var param, row;
- 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, row;
- 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, row;
- param = params[0];
- if (param < 1) param = 1;
- this.x += param;
- if (this.x >= this.cols - 1) {
- this.x = this.cols - 1;
- }
-};
-
-// CSI Ps D
-// Cursor Backward Ps Times (default = 1) (CUB).
-Terminal.prototype.cursorBackward = function(params) {
- var param, row;
- 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 param, 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 param, row, j;
- switch (params[0] || 0) {
- case 0:
- this.eraseLine(this.x, this.y);
- for (j = this.y + 1; j < this.rows; j++) {
- this.eraseLine(0, j);
- }
- break;
- case 1:
- this.eraseInLine([1]);
- j = this.y;
- while (j--) {
- this.eraseLine(0, j);
- }
- break;
- case 2:
- this.eraseInDisplay([0]);
- this.eraseInDisplay([1]);
- 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] || 0) {
- case 0:
- this.eraseLine(this.x, this.y);
- break;
- case 1:
- var x = this.x + 1;
- var line = this.lines[this.ybase + this.y];
- // xterm, linux:
- var ch = [this.curAttr, ' '];
- while (x--) line[x] = ch;
- break;
- case 2:
- var x = this.cols;
- var line = this.lines[this.ybase + this.y];
- // xterm, linux:
- var ch = [this.curAttr, ' '];
- while (x--) line[x] = ch;
- 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) {
- var i, p;
- if (params.length === 0) {
- // default
- this.curAttr = this.defAttr;
- } else {
- for (i = 0; i < params.length; i++) {
- p = params[i];
- if (p >= 30 && p <= 37) {
- // fg color 8
- this.curAttr = (this.curAttr & ~(0x1ff << 9)) | ((p - 30) << 9);
- } else if (p >= 40 && p <= 47) {
- // bg color 8
- this.curAttr = (this.curAttr & ~0x1ff) | (p - 40);
- } else if (p >= 90 && p <= 97) {
- // fg color 16
- p += 8;
- this.curAttr = (this.curAttr & ~(0x1ff << 9)) | ((p - 90) << 9);
- } else if (p >= 100 && p <= 107) {
- // bg color 16
- p += 8;
- this.curAttr = (this.curAttr & ~0x1ff) | (p - 100);
- } else if (p === 0) {
- // default
- this.curAttr = this.defAttr;
- } else if (p === 1) {
- // bold text
- this.curAttr = this.curAttr | (1 << 18);
- } else if (p === 4) {
- // underlined text
- this.curAttr = this.curAttr | (2 << 18);
- } else if (p === 7 || p === 27) {
- // inverse and positive
- // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
- if (p === 7) {
- if ((this.curAttr >> 18) & 4) continue;
- this.curAttr = this.curAttr | (4 << 18);
- } else if (p === 27) {
- if (~(this.curAttr >> 18) & 4) continue;
- this.curAttr = this.curAttr & ~(4 << 18);
- }
- var bg = this.curAttr & 0x1ff;
- var fg = (this.curAttr >> 9) & 0x1ff;
- this.curAttr = (this.curAttr & ~0x3ffff) | ((bg << 9) | fg);
- } else if (p === 22) {
- // not bold
- this.curAttr = this.curAttr & ~(1 << 18);
- } else if (p === 24) {
- // not underlined
- this.curAttr = this.curAttr & ~(2 << 18);
- } else if (p === 39) {
- // reset fg
- this.curAttr = this.curAttr & ~(0x1ff << 9);
- this.curAttr = this.curAttr | (((this.defAttr >> 9) & 0x1ff) << 9);
- } else if (p === 49) {
- // reset bg
- this.curAttr = this.curAttr & ~0x1ff;
- this.curAttr = this.curAttr | (this.defAttr & 0x1ff);
- } else if (p === 38) {
- // fg color 256
- if (params[i+1] !== 5) continue;
- i += 2;
- p = params[i];
- this.curAttr = (this.curAttr & ~(0x1ff << 9)) | (p << 9);
- } else if (p === 48) {
- // bg color 256
- if (params[i+1] !== 5) continue;
- i += 2;
- p = params[i];
- this.curAttr = (this.curAttr & ~0x1ff) | p;
- }
- }
- }
-};
-
-// 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 === '?') {
- // modern xterm doesnt seem to
- // respond to any of these except ?6, 6, and 5
- switch (params[0]) {
- case 6:
- this.queueChars('\x1b['
- + (this.y + 1)
- + ';'
- + (this.x + 1)
- + 'R');
- break;
- case 15:
- // no printer
- // this.queueChars('\x1b[?11n');
- break;
- case 25:
- // dont support user defined keys
- // this.queueChars('\x1b[?21n');
- break;
- case 26:
- // this.queueChars('\x1b[?27;1;0;0n');
- break;
- case 53:
- // no dec locator/mouse
- // this.queueChars('\x1b[?50n');
- break;
- }
- return;
- }
- switch (params[0]) {
- case 5:
- this.queueChars('\x1b[0n');
- break;
- case 6:
- this.queueChars('\x1b['
- + (this.y + 1)
- + ';'
- + (this.x + 1)
- + 'R');
- break;
- }
-};
-
-/**
- * Additions
- */
-
-// CSI Ps @
-// Insert Ps (Blank) Character(s) (default = 1) (ICH).
-Terminal.prototype.insertChars = function(params) {
- var param, row, j;
- param = params[0];
- if (param < 1) param = 1;
- row = this.y + this.ybase;
- j = this.x;
- while (param-- && j < this.cols) {
- // xterm, linux:
- this.lines[row].splice(j++, 0, [this.curAttr, ' ']);
- this.lines[row].pop();
- }
-};
-
-// CSI Ps E
-// Cursor Next Line Ps Times (default = 1) (CNL).
-Terminal.prototype.cursorNextLine = function(params) {
- var param, row;
- param = params[0];
- if (param < 1) param = 1;
- this.y += param;
- if (this.y >= this.rows) {
- this.y = this.rows - 1;
- }
- // above is the same as CSI Ps B
- this.x = 0;
-};
-
-// CSI Ps F
-// Cursor Preceding Line Ps Times (default = 1) (CNL).
-Terminal.prototype.cursorPrecedingLine = function(params) {
- var param, row;
- param = params[0];
- if (param < 1) param = 1;
- this.y -= param;
- if (this.y < 0) this.y = 0;
- // above is the same as CSI Ps A
- this.x = 0;
-};
-
-// CSI Ps G
-// Cursor Character Absolute [column] (default = [row,1]) (CHA).
-Terminal.prototype.cursorCharAbsolute = function(params) {
- var param, row;
- 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;
- // add an extra one because we added one
- // above
- j = this.rows - 1 + this.ybase - j + 1;
-
- while (param--) {
- // this.blankLine(false) for screen behavior
- // test: echo -e '\e[44m\e[1L\e[0m'
- this.lines.splice(row, 0, this.blankLine(true));
- this.lines.splice(j, 1);
- }
-
- //this.refresh(0, this.rows - 1);
- this.refreshStart = 0;
- this.refreshEnd = this.rows - 1;
-};
-
-// 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--) {
- // this.blankLine(false) for screen behavior
- // test: echo -e '\e[44m\e[1M\e[0m'
- this.lines.splice(j + 1, 0, this.blankLine(true));
- this.lines.splice(row, 1);
- }
-
- //this.refresh(0, this.rows - 1);
- this.refreshStart = 0;
- this.refreshEnd = this.rows - 1;
-};
-
-// CSI Ps P
-// Delete Ps Character(s) (default = 1) (DCH).
-Terminal.prototype.deleteChars = function(params) {
- var param, row;
- param = params[0];
- if (param < 1) param = 1;
- row = this.y + this.ybase;
- while (param--) {
- this.lines[row].splice(this.x, 1);
- // xterm, linux:
- this.lines[row].push([this.curAttr, ' ']);
- }
-};
-
-// CSI Ps X
-// Erase Ps Character(s) (default = 1) (ECH).
-Terminal.prototype.eraseChars = function(params) {
- var param, row, j;
- param = params[0];
- if (param < 1) param = 1;
- row = this.y + this.ybase;
- j = this.x;
- while (param-- && j < this.cols) {
- // xterm, linux:
- this.lines[row][j++] = [this.curAttr, ' '];
- }
-};
-
-// CSI Pm ` Character Position Absolute
-// [column] (default = [row,1]) (HPA).
-Terminal.prototype.charPosAbsolute = function(params) {
- var param, row;
- 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
-Terminal.prototype.HPositionRelative = function(params) {
- var param, row;
- param = params[0];
- if (param < 1) param = 1;
- this.x += param;
- if (this.x >= this.cols - 1) {
- this.x = this.cols - 1;
- }
- // above is the same as CSI Ps C
-};
-
-// 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.
-Terminal.prototype.sendDeviceAttributes = function(params) {
- // This severely breaks things if
- // TERM is set to `linux`. xterm
- // is fine.
- return;
-
- if (this.prefix !== '>') {
- this.queueChars('\x1b[?1;2c');
- } else {
- // say we're a vt100 with
- // firmware version 95
- // this.queueChars('\x1b[>0;95;0c');
- // modern xterm responds with:
- this.queueChars('\x1b[>0;276;0c');
- }
-};
-
-// CSI Pm d
-// Line Position Absolute [row] (default = [1,column]) (VPA).
-Terminal.prototype.linePosAbsolute = function(params) {
- var param, row;
- 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
-Terminal.prototype.VPositionRelative = function(params) {
- var param, row;
- param = params[0];
- if (param < 1) param = 1;
- this.y += param;
- if (this.y >= this.rows) {
- this.y = this.rows - 1;
- }
- // above is same as CSI Ps B
-};
-
-// 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 === 'object') {
- while (params.length) this.setMode(params.shift());
- return;
- }
-
- if (this.prefix !== '?') {
- switch (params) {
- case 4:
- this.insertMode = true;
- break;
- case 20:
- //this.convertEol = true;
- break;
- }
- } else {
- switch (params) {
- case 1:
- this.applicationKeypad = true;
- break;
- case 6:
- this.originMode = true;
- break;
- case 7:
- this.wraparoundMode = true;
- break;
- case 9: // X10 Mouse
- // button press only.
- break;
- case 1000: // vt200 mouse
- // no wheel events, no motion.
- // no modifiers except control.
- // button press, release.
- break;
- case 1001: // vt200 highlight mouse
- // no wheel events, no motion.
- // first event is to send tracking instead
- // of button press, *then* button release.
- break;
- case 1002: // button event mouse
- case 1003: // any event mouse
- // button press, release, wheel, and motion.
- // no modifiers except control.
- console.log('binding to mouse events - warning: experimental!');
- this.mouseEvents = true;
- this.element.style.cursor = 'default';
- break;
- case 1004: // send focusin/focusout events
- // focusin: ^[[>I
- // focusout: ^[[>O
- break;
- case 1005: // utf8 ext mode mouse
- // for wide terminals
- // simply encodes large values as utf8 characters
- break;
- case 1006: // sgr ext mode mouse
- // for wide terminals
- // does not add 32 to fields
- // press: ^[[ 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 === 'object') {
- while (params.length) this.resetMode(params.shift());
- return;
- }
-
- if (this.prefix !== '?') {
- switch (params) {
- case 4:
- this.insertMode = false;
- break;
- case 20:
- //this.convertEol = false;
- break;
- }
- } else {
- switch (params) {
- case 1:
- this.applicationKeypad = false;
- break;
- case 6:
- this.originMode = false;
- break;
- case 7:
- this.wraparoundMode = false;
- break;
- case 9:
- case 1000:
- case 1001:
- case 1002:
- case 1003:
- case 1004:
- case 1005:
- this.mouseEvents = false;
- this.element.style.cursor = '';
- 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.normal = null;
- // if (params === 1049) {
- // this.x = this.savedX;
- // this.y = this.savedY;
- // }
- this.refresh(0, this.rows - 1);
- }
- 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 row, param, line, ch;
-
- param = params[0] || 1;
- param = param * 8;
- row = this.y + this.ybase;
- line = this.lines[row];
- ch = [this.defAttr, ' '];
-
- while (param--) {
- line.splice(this.x++, 0, ch);
- line.pop();
- if (this.x === this.cols) {
- this.x--;
- break;
- }
- }
-};
-
-// CSI Ps S Scroll up Ps lines (default = 1) (SU).
-Terminal.prototype.scrollUp = function(params) {
- var param = params[0] || 1;
- while (param--) {
- //this.lines.shift();
- //this.lines.push(this.blankLine());
- this.lines.splice(this.ybase + this.scrollTop, 1);
- // no need to add 1 here, because we removed a line
- this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine());
- }
- this.refreshStart = 0;
- this.refreshEnd = this.rows - 1;
-};
-
-// CSI Ps T Scroll down Ps lines (default = 1) (SD).
-Terminal.prototype.scrollDown = function(params) {
- var param = params[0] || 1;
- while (param--) {
- //this.lines.pop();
- //this.lines.unshift(this.blankLine());
- this.lines.splice(this.ybase + this.scrollBottom, 1);
- this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine());
- }
- this.refreshStart = 0;
- this.refreshEnd = this.rows - 1;
-};
-
-// 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) {
- console.log('mouse tracking');
-};
-
-// 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 row, param, line, ch;
-
- param = params[0] || 1;
- param = param * 8;
- row = this.y + this.ybase;
- line = this.lines[row];
- ch = [this.defAttr, ' '];
-
- while (param--) {
- line.splice(--this.x, 1);
- line.push(ch);
- if (this.x === 0) {
- break;
- }
- }
-};
-
-// CSI Ps b Repeat the preceding graphic character Ps times (REP).
-Terminal.prototype.repeatPrecedingCharacter = function(params) {
- var param = params[0] || 1;
- var line = this.lines[this.ybase + this.y];
- var ch = line[this.x - 1] || [this.defAttr, ' '];
- while (param--) line[this.x++] = ch;
-};
-
-// CSI Ps g Tab Clear (TBC).
-// Ps = 0 -> Clear Current Column (default).
-// Ps = 3 -> Clear All.
-Terminal.prototype.tabClear = function(params) {
-};
-
-// 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).
-Terminal.prototype.softReset = function(params) {
- this.reset();
-};
-
-// 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]];
- }
- }
-};
-
-// CSI ? Pm s
-// Save DEC Private Mode Values. Ps values are the same as for
-// DECSET.
-Terminal.prototype.savePrivateValues = function(params) {
-};
-
-// CSI Ps ; Ps ; Ps t
-// Window manipulation (from dtterm, as well as extensions).
-// These controls may be disabled using the allowWindowOps
-// resource. Valid values for the first (and any additional
-// parameters) are:
-// Ps = 1 -> De-iconify window.
-// Ps = 2 -> Iconify window.
-// Ps = 3 ; x ; y -> Move window to [x, y].
-// Ps = 4 ; height ; width -> Resize the xterm window to
-// height and width in pixels.
-// Ps = 5 -> Raise the xterm window to the front of the stack-
-// ing order.
-// Ps = 6 -> Lower the xterm window to the bottom of the
-// stacking order.
-// Ps = 7 -> Refresh the xterm window.
-// Ps = 8 ; height ; width -> Resize the text area to
-// [height;width] in characters.
-// Ps = 9 ; 0 -> Restore maximized window.
-// Ps = 9 ; 1 -> Maximize window (i.e., resize to screen
-// size).
-// Ps = 1 0 ; 0 -> Undo full-screen mode.
-// Ps = 1 0 ; 1 -> Change to full-screen.
-// Ps = 1 1 -> Report xterm window state. If the xterm window
-// is open (non-iconified), it returns CSI 1 t . If the xterm
-// window is iconified, it returns CSI 2 t .
-// Ps = 1 3 -> Report xterm window position. Result is CSI 3
-// ; x ; y t
-// Ps = 1 4 -> Report xterm window in pixels. Result is CSI
-// 4 ; height ; width t
-// Ps = 1 8 -> Report the size of the text area in characters.
-// Result is CSI 8 ; height ; width t
-// Ps = 1 9 -> Report the size of the screen in characters.
-// Result is CSI 9 ; height ; width t
-// Ps = 2 0 -> Report xterm window's icon label. Result is
-// OSC L label ST
-// Ps = 2 1 -> Report xterm window's title. Result is OSC l
-// label ST
-// Ps = 2 2 ; 0 -> Save xterm icon and window title on
-// stack.
-// Ps = 2 2 ; 1 -> Save xterm icon title on stack.
-// Ps = 2 2 ; 2 -> Save xterm window title on stack.
-// Ps = 2 3 ; 0 -> Restore xterm icon and window title from
-// stack.
-// Ps = 2 3 ; 1 -> Restore xterm icon title from stack.
-// Ps = 2 3 ; 2 -> Restore xterm window title from stack.
-// Ps >= 2 4 -> Resize to Ps lines (DECSLPP).
-Terminal.prototype.manipulateWindow = function(params) {
-};
-
-// CSI Pt; Pl; Pb; Pr; Ps$ t
-// Reverse Attributes in Rectangular Area (DECRARA), VT400 and
-// up.
-// Pt; Pl; Pb; Pr denotes the rectangle.
-// Ps denotes the attributes to reverse, i.e., 1, 4, 5, 7.
-// NOTE: xterm doesn't enable this code by default.
-Terminal.prototype.reverseAttrInRectangle = function(params) {
-};
-
-// CSI > Ps; Ps t
-// Set one or more features of the title modes. Each parameter
-// enables a single feature.
-// Ps = 0 -> Set window/icon labels using hexadecimal.
-// Ps = 1 -> Query window/icon labels using hexadecimal.
-// Ps = 2 -> Set window/icon labels using UTF-8.
-// Ps = 3 -> Query window/icon labels using UTF-8. (See dis-
-// cussion of "Title Modes")
-Terminal.prototype.setTitleModeFeature = function(params) {
-};
-
-// CSI Ps SP t
-// Set warning-bell volume (DECSWBV, VT520).
-// Ps = 0 or 1 -> off.
-// Ps = 2 , 3 or 4 -> low.
-// Ps = 5 , 6 , 7 , or 8 -> high.
-Terminal.prototype.setWarningBellVolume = function(params) {
-};
-
-// CSI Ps SP u
-// Set margin-bell volume (DECSMBV, VT520).
-// Ps = 1 -> off.
-// Ps = 2 , 3 or 4 -> low.
-// Ps = 0 , 5 , 6 , 7 , or 8 -> high.
-Terminal.prototype.setMarginBellVolume = function(params) {
-};
-
-// CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
-// Copy Rectangular Area (DECCRA, VT400 and up).
-// Pt; Pl; Pb; Pr denotes the rectangle.
-// Pp denotes the source page.
-// Pt; Pl denotes the target location.
-// Pp denotes the target page.
-// NOTE: xterm doesn't enable this code by default.
-Terminal.prototype.copyRectangle = function(params) {
-};
-
-// CSI Pt ; Pl ; Pb ; Pr ' w
-// Enable Filter Rectangle (DECEFR), VT420 and up.
-// Parameters are [top;left;bottom;right].
-// Defines the coordinates of a filter rectangle and activates
-// it. Anytime the locator is detected outside of the filter
-// rectangle, an outside rectangle event is generated and the
-// rectangle is disabled. Filter rectangles are always treated
-// as "one-shot" events. Any parameters that are omitted default
-// to the current locator position. If all parameters are omit-
-// ted, any locator motion will be reported. DECELR always can-
-// cels any prevous rectangle definition.
-Terminal.prototype.enableFilterRectangle = function(params) {
-};
-
-// CSI Ps x Request Terminal Parameters (DECREQTPARM).
-// if Ps is a "0" (default) or "1", and xterm is emulating VT100,
-// the control sequence elicits a response of the same form whose
-// parameters describe the terminal:
-// Ps -> the given Ps incremented by 2.
-// Pn = 1 <- no parity.
-// Pn = 1 <- eight bits.
-// Pn = 1 <- 2 8 transmit 38.4k baud.
-// Pn = 1 <- 2 8 receive 38.4k baud.
-// Pn = 1 <- clock multiplier.
-// Pn = 0 <- STP flags.
-Terminal.prototype.requestParameters = function(params) {
-};
-
-// CSI Ps x Select Attribute Change Extent (DECSACE).
-// Ps = 0 -> from start to end position, wrapped.
-// Ps = 1 -> from start to end position, wrapped.
-// Ps = 2 -> rectangle (exact).
-Terminal.prototype.__ = function(params) {
-};
-
-// 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)];
- }
- }
-};
-
-// 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) {
-};
-
-// 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;
-
- for (; t < b + 1; t++) {
- line = this.lines[this.ybase + t];
- for (i = l; i < r; i++) {
- // curAttr for xterm behavior?
- line[i] = [this.curAttr, ' '];
- }
- }
-};
-
-// CSI Pm ' {
-// Select Locator Events (DECSLE).
-// Valid values for the first (and any additional parameters)
-// are:
-// Ps = 0 -> only respond to explicit host requests (DECRQLP).
-// (This is default). It also cancels any filter
-// rectangle.
-// Ps = 1 -> report button down transitions.
-// Ps = 2 -> do not report button down transitions.
-// Ps = 3 -> report button up transitions.
-// Ps = 4 -> do not report button up transitions.
-Terminal.prototype.setLocatorEvents = function(params) {
-};
-
-// CSI Pt; Pl; Pb; Pr$ {
-// Selective Erase Rectangular Area (DECSERA), VT400 and up.
-// Pt; Pl; Pb; Pr denotes the rectangle.
-Terminal.prototype.selectiveEraseRectangle = function(params) {
-};
-
-// CSI Ps ' |
-// Request Locator Position (DECRQLP).
-// Valid values for the parameter are:
-// Ps = 0 , 1 or omitted -> transmit a single DECLRP locator
-// report.
-
-// If Locator Reporting has been enabled by a DECELR, xterm will
-// respond with a DECLRP Locator Report. This report is also
-// generated on button up and down events if they have been
-// enabled with a DECSLE, or when the locator is detected outside
-// of a filter rectangle, if filter rectangles have been enabled
-// with a DECEFR.
-
-// -> CSI Pe ; Pb ; Pr ; Pc ; Pp & w
-
-// Parameters are [event;button;row;column;page].
-// Valid values for the event:
-// Pe = 0 -> locator unavailable - no other parameters sent.
-// Pe = 1 -> request - xterm received a DECRQLP.
-// Pe = 2 -> left button down.
-// Pe = 3 -> left button up.
-// Pe = 4 -> middle button down.
-// Pe = 5 -> middle button up.
-// Pe = 6 -> right button down.
-// Pe = 7 -> right button up.
-// Pe = 8 -> M4 button down.
-// Pe = 9 -> M4 button up.
-// Pe = 1 0 -> locator outside filter rectangle.
-// ``button'' parameter is a bitmask indicating which buttons are
-// pressed:
-// Pb = 0 <- no buttons down.
-// Pb & 1 <- right button down.
-// Pb & 2 <- middle button down.
-// Pb & 4 <- left button down.
-// Pb & 8 <- M4 button down.
-// ``row'' and ``column'' parameters are the coordinates of the
-// locator position in the xterm window, encoded as ASCII deci-
-// mal.
-// The ``page'' parameter is not used by xterm, and will be omit-
-// ted.
-Terminal.prototype.requestLocatorPosition = function(params) {
-};
-
-// 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() {
- param = params[0];
-
- var l = this.ybase + this.rows
- , i;
-
- while (param--) {
- for (i = this.ybase; i < l; i++) {
- // xterm behavior uses curAttr?
- this.lines[i].splice(this.x + 1, 0, [this.curAttr, ' ']);
- this.lines[i].pop();
- }
- }
-};
-
-// 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() {
- param = params[0];
-
- var l = this.ybase + this.rows
- , i;
-
- while (param--) {
- for (i = this.ybase; i < l; i++) {
- this.lines[i].splice(this.x, 1);
- // xterm behavior uses curAttr?
- this.lines[i].push([this.curAttr, ' ']);
- }
- }
-};
-
-/**
- * Character Sets
- */
-
-// 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 real xterm output seems to conflict with the
-// reference above. The table below uses
-// the exact same charset xterm outputs.
-var SCLD = {
- '_': '\u005f', // '_' - blank ? should this be ' ' ?
- '`': '\u25c6', // '◆'
- 'a': '\u2592', // '▒'
- 'b': '\u0062', // 'b' - should this be: '\t' ?
- 'c': '\u0063', // 'c' - should this be: '\f' ?
- 'd': '\u0064', // 'd' - should this be: '\r' ?
- 'e': '\u0065', // 'e' - should this be: '\n' ?
- 'f': '\u00b0', // '°'
- 'g': '\u00b1', // '±'
- 'h': '\u2592', // '▒' - NL ? should this be '\n' ?
- 'i': '\u2603', // '☃' - VT ? should this be '\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', // '≠'
- '}': '\u00a3', // '£'
- '~': '\u00b7' // '·'
-};
-
-/**
- * Helpers
- */
-
-function on(el, type, handler, capture) {
- el.addEventListener(type, handler, capture || false);
-}
-
-function off(el, type, handler, capture) {
- el.removeEventListener(type, handler, capture || false);
-}
-
-function cancel(ev) {
- if (ev.preventDefault) ev.preventDefault();
- ev.returnValue = false;
- if (ev.stopPropagation) ev.stopPropagation();
- ev.cancelBubble = true;
- return false;
-}
-
-var isMac = ~navigator.userAgent.indexOf('Mac');
-
-// if bold is broken, we can't
-// use it in the terminal.
-function isBoldBroken() {
- var el = document.createElement('span');
- el.innerHTML = 'hello world';
- document.body.appendChild(el);
- var w1 = el.scrollWidth;
- el.style.fontWeight = 'bold';
- var w2 = el.scrollWidth;
- document.body.removeChild(el);
- return w1 !== w2;
-}
-
-var String = this.String;
-
-/**
- * Expose
- */
-
-this.Terminal = Terminal;
-
-}).call(this);
diff --git a/static/tty.js b/static/tty.js
index 7c1b92d3..45af0bff 100644
--- a/static/tty.js
+++ b/static/tty.js
@@ -1,6 +1,6 @@
/**
* tty.js
- * Copyright (c) 2012, Christopher Jeffrey (MIT License)
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
*/
;(function() {
@@ -9,37 +9,76 @@
* Elements
*/
-var doc = this.document
- , win = this
+var document = this.document
+ , window = this
, root
- , body;
+ , body
+ , h1
+ , open
+ , lights;
+
+/**
+ * Initial Document Title
+ */
+
+var initialTitle = document.title;
+
+/**
+ * Helpers
+ */
+
+var EventEmitter = Terminal.EventEmitter
+ , inherits = Terminal.inherits
+ , on = Terminal.on
+ , off = Terminal.off
+ , cancel = Terminal.cancel;
+
+/**
+ * tty
+ */
+
+var tty = new EventEmitter;
/**
* Shared
*/
-var socket
- , windows
- , terms
- , uid;
+tty.socket;
+tty.windows;
+tty.terms;
+tty.elements;
/**
* Open
*/
-function open() {
- if (socket) return;
+tty.open = function() {
+ if (document.location.pathname) {
+ var parts = document.location.pathname.split('/')
+ , base = parts.slice(0, parts.length - 1).join('/') + '/'
+ , resource = base.substring(1) + 'socket.io';
- root = doc.documentElement;
- body = doc.body;
+ tty.socket = io.connect(null, { resource: resource });
+ } else {
+ tty.socket = io.connect();
+ }
- socket = io.connect();
- windows = [];
- terms = {};
- uid = 0;
+ tty.windows = [];
+ tty.terms = {};
+
+ tty.elements = {
+ root: document.documentElement,
+ body: document.body,
+ h1: document.getElementsByTagName('h1')[0],
+ open: document.getElementById('open'),
+ lights: document.getElementById('lights')
+ };
- var open = doc.getElementById('open')
- , lights = doc.getElementById('lights');
+ root = tty.elements.root;
+ body = tty.elements.body;
+ h1 = tty.elements.h1;
+ open = tty.elements.open;
+ lights = tty.elements.lights;
if (open) {
on(open, 'click', function() {
@@ -49,24 +88,51 @@ function open() {
if (lights) {
on(lights, 'click', function() {
- root.className = !root.className
- ? 'dark'
- : '';
+ tty.toggleLights();
});
}
- socket.on('connect', function() {
- reset();
- new Window;
+ tty.socket.on('connect', function() {
+ tty.reset();
+ tty.emit('connect');
});
- socket.on('data', function(id, data) {
- terms[id].write(data);
+ tty.socket.on('data', function(id, data) {
+ if (!tty.terms[id]) return;
+ tty.terms[id].write(data);
});
- socket.on('kill', function(id) {
- if (!terms[id]) return;
- terms[id]._destroy();
+ tty.socket.on('kill', function(id) {
+ if (!tty.terms[id]) return;
+ tty.terms[id]._destroy();
+ });
+
+ // XXX Clean this up.
+ tty.socket.on('sync', function(terms) {
+ console.log('Attempting to sync...');
+ console.log(terms);
+
+ tty.reset();
+
+ var emit = tty.socket.emit;
+ tty.socket.emit = function() {};
+
+ Object.keys(terms).forEach(function(key) {
+ var data = terms[key]
+ , win = new Window
+ , tab = win.tabs[0];
+
+ delete tty.terms[tab.id];
+ tab.pty = data.pty;
+ tab.id = data.id;
+ tty.terms[data.id] = tab;
+ win.resize(data.cols, data.rows);
+ tab.setProcessName(data.process);
+ tty.emit('open tab', tab);
+ tab.emit('open');
+ });
+
+ tty.socket.emit = emit;
});
// We would need to poll the os on the serverside
@@ -75,45 +141,66 @@ function open() {
// clientside, rather than poll on the
// server, and *then* send it to the client.
setInterval(function() {
- var i = windows.length;
+ var i = tty.windows.length;
while (i--) {
- if (!windows[i].focused) continue;
- windows[i].focused.pollProcessName();
+ if (!tty.windows[i].focused) continue;
+ tty.windows[i].focused.pollProcessName();
}
}, 2 * 1000);
// Keep windows maximized.
- on(window, 'resize', function(ev) {
- var i = windows.length
+ on(window, 'resize', function() {
+ var i = tty.windows.length
, win;
while (i--) {
- win = windows[i];
+ win = tty.windows[i];
if (win.minimize) {
win.minimize();
win.maximize();
}
}
});
-}
-function reset() {
- var i = windows.length;
+ tty.emit('load');
+ tty.emit('open');
+};
+
+/**
+ * Reset
+ */
+
+tty.reset = function() {
+ var i = tty.windows.length;
while (i--) {
- windows[i].destroy();
+ tty.windows[i].destroy();
}
- windows = [];
- terms = {};
- uid = 0;
-}
+
+ tty.windows = [];
+ tty.terms = {};
+
+ tty.emit('reset');
+};
+
+/**
+ * Lights
+ */
+
+tty.toggleLights = function() {
+ root.className = !root.className
+ ? 'dark'
+ : '';
+};
/**
* Window
*/
-function Window() {
+function Window(socket) {
var self = this;
+ EventEmitter.call(this);
+
var el
, grip
, bar
@@ -138,6 +225,7 @@ function Window() {
title.className = 'title';
title.innerHTML = '';
+ this.socket = socket || tty.socket;
this.element = el;
this.grip = grip;
this.bar = bar;
@@ -156,13 +244,20 @@ function Window() {
bar.appendChild(title);
body.appendChild(el);
- windows.push(this);
+ tty.windows.push(this);
this.createTab();
this.focus();
this.bind();
+
+ this.tabs[0].once('open', function() {
+ tty.emit('open window', self);
+ self.emit('open');
+ });
}
+inherits(Window, EventEmitter);
+
Window.prototype.bind = function() {
var self = this
, el = this.element
@@ -205,12 +300,18 @@ Window.prototype.bind = function() {
};
Window.prototype.focus = function() {
+ // Restack
var parent = this.element.parentNode;
if (parent) {
parent.removeChild(this.element);
parent.appendChild(this.element);
}
+
+ // Focus Foreground Tab
this.focused.focus();
+
+ tty.emit('focus window', this);
+ this.emit('focus');
};
Window.prototype.destroy = function() {
@@ -219,18 +320,22 @@ Window.prototype.destroy = function() {
if (this.minimize) this.minimize();
- splice(windows, this);
- if (windows.length) windows[0].focus();
+ splice(tty.windows, this);
+ if (tty.windows.length) tty.windows[0].focus();
this.element.parentNode.removeChild(this.element);
this.each(function(term) {
term.destroy();
});
+
+ tty.emit('close window', this);
+ this.emit('close');
};
Window.prototype.drag = function(ev) {
- var el = this.element;
+ var self = this
+ , el = this.element;
if (this.minimize) return;
@@ -252,17 +357,25 @@ Window.prototype.drag = function(ev) {
(drag.top + ev.pageY - drag.pageY) + 'px';
}
- function up(ev) {
+ function up() {
el.style.opacity = '';
el.style.cursor = '';
root.style.cursor = '';
- off(doc, 'mousemove', move);
- off(doc, 'mouseup', up);
+ off(document, 'mousemove', move);
+ off(document, 'mouseup', up);
+
+ var ev = {
+ left: el.style.left.replace(/\w+/g, ''),
+ top: el.style.top.replace(/\w+/g, '')
+ };
+
+ tty.emit('drag window', self, ev);
+ self.emit('drag', ev);
}
- on(doc, 'mousemove', move);
- on(doc, 'mouseup', up);
+ on(document, 'mousemove', move);
+ on(document, 'mouseup', up);
};
Window.prototype.resizing = function(ev) {
@@ -292,7 +405,7 @@ Window.prototype.resizing = function(ev) {
el.style.height = y + 'px';
}
- function up(ev) {
+ function up() {
var x, y;
x = el.clientWidth / resize.w;
@@ -311,12 +424,12 @@ Window.prototype.resizing = function(ev) {
root.style.cursor = '';
term.element.style.height = '';
- off(doc, 'mousemove', move);
- off(doc, 'mouseup', up);
+ off(document, 'mousemove', move);
+ off(document, 'mouseup', up);
}
- on(doc, 'mousemove', move);
- on(doc, 'mouseup', up);
+ on(document, 'mousemove', move);
+ on(document, 'mouseup', up);
};
Window.prototype.maximize = function() {
@@ -350,6 +463,9 @@ Window.prototype.maximize = function() {
root.className = m.root;
self.resize(m.cols, m.rows);
+
+ tty.emit('minimize window', self);
+ self.emit('minimize');
};
window.scrollTo(0, 0);
@@ -370,14 +486,21 @@ Window.prototype.maximize = function() {
root.className = 'maximized';
this.resize(x, y);
+
+ tty.emit('maximize window', this);
+ this.emit('maximize');
};
Window.prototype.resize = function(cols, rows) {
this.cols = cols;
this.rows = rows;
+
this.each(function(term) {
term.resize(cols, rows);
});
+
+ tty.emit('resize window', this, cols, rows);
+ this.emit('resize', cols, rows);
};
Window.prototype.each = function(func) {
@@ -388,15 +511,17 @@ Window.prototype.each = function(func) {
};
Window.prototype.createTab = function() {
- new Tab(this);
+ return new Tab(this, this.socket);
};
Window.prototype.highlight = function() {
var self = this;
+
this.element.style.borderColor = 'orange';
setTimeout(function() {
self.element.style.borderColor = '';
}, 200);
+
this.focus();
};
@@ -428,15 +553,15 @@ Window.prototype.previousTab = function() {
* Tab
*/
-function Tab(win) {
+function Tab(win, socket) {
var self = this;
- var id = uid++
- , cols = win.cols
+ var cols = win.cols
, rows = win.rows;
- Terminal.call(this, cols, rows, function(data) {
- socket.emit('data', self.id, data);
+ Terminal.call(this, {
+ cols: cols,
+ rows: rows
});
var button = document.createElement('div');
@@ -453,26 +578,55 @@ function Tab(win) {
return cancel(ev);
});
- this.id = id;
+ this.id = '';
+ this.socket = socket || tty.socket;
this.window = win;
this.button = button;
this.element = null;
this.process = '';
this.open();
+ this.hookKeys();
win.tabs.push(this);
- terms[id] = this;
- socket.emit('create', cols, rows, function(err, data) {
+ this.socket.emit('create', cols, rows, function(err, data) {
if (err) return self._destroy();
self.pty = data.pty;
- self.process = data.process;
- win.title.innerHTML = data.process;
+ self.id = data.id;
+ tty.terms[self.id] = self;
+ self.setProcessName(data.process);
+ tty.emit('open tab', self);
+ self.emit('open');
});
};
inherits(Tab, Terminal);
+// We could just hook in `tab.on('data', ...)`
+// in the constructor, but this is faster.
+Tab.prototype.handler = function(data) {
+ this.socket.emit('data', this.id, data);
+};
+
+// We could just hook in `tab.on('title', ...)`
+// in the constructor, but this is faster.
+Tab.prototype.handleTitle = function(title) {
+ if (!title) return;
+
+ title = sanitize(title);
+ this.title = title;
+
+ if (Terminal.focus === this) {
+ document.title = title;
+ // if (h1) h1.innerHTML = title;
+ }
+
+ if (this.window.focused === this) {
+ this.window.bar.title = title;
+ // this.setProcessName(this.process);
+ }
+};
+
Tab.prototype._write = Tab.prototype.write;
Tab.prototype.write = function(data) {
@@ -500,22 +654,32 @@ Tab.prototype.focus = function() {
win.focused = this;
win.title.innerHTML = this.process;
+ document.title = this.title || initialTitle;
this.button.style.fontWeight = 'bold';
this.button.style.color = '';
}
+ this.handleTitle(this.title);
+
this._focus();
win.focus();
+
+ tty.emit('focus tab', this);
+ this.emit('focus');
};
Tab.prototype._resize = Tab.prototype.resize;
Tab.prototype.resize = function(cols, rows) {
- socket.emit('resize', this.id, cols, rows);
+ this.socket.emit('resize', this.id, cols, rows);
this._resize(cols, rows);
+ tty.emit('resize tab', this, cols, rows);
+ this.emit('resize', cols, rows);
};
+Tab.prototype.__destroy = Tab.prototype.destroy;
+
Tab.prototype._destroy = function() {
if (this.destroyed) return;
this.destroyed = true;
@@ -527,7 +691,7 @@ Tab.prototype._destroy = function() {
this.element.parentNode.removeChild(this.element);
}
- delete terms[this.id];
+ if (tty.terms[this.id]) delete tty.terms[this.id];
splice(win.tabs, this);
if (win.focused === this) {
@@ -537,120 +701,173 @@ Tab.prototype._destroy = function() {
if (!win.tabs.length) {
win.destroy();
}
+
+ // if (!tty.windows.length) {
+ // document.title = initialTitle;
+ // if (h1) h1.innerHTML = initialTitle;
+ // }
+
+ this.__destroy();
};
Tab.prototype.destroy = function() {
if (this.destroyed) return;
- socket.emit('kill', this.id);
+ this.socket.emit('kill', this.id);
this._destroy();
+ tty.emit('close tab', this);
+ this.emit('close');
};
-Tab.prototype._keyDownHandler = Tab.prototype.keyDownHandler;
+Tab.prototype.hookKeys = function() {
+ var self = this;
-Tab.prototype.keyDownHandler = function(ev) {
- if (this.pendingKey) {
- this.pendingKey = false;
- return this.specialKeyHandler(ev);
- }
+ // Alt-[jk] to quickly swap between windows.
+ this.on('key', function(key, ev) {
+ if (Terminal.focusKeys === false) {
+ return;
+ }
- // ^A for screen-key-like prefix.
- if (Terminal.screenKeys && ev.ctrlKey && ev.keyCode === 65) {
- this.pendingKey = true;
- return cancel(ev);
- }
+ var offset
+ , i;
- // Alt-` to quickly swap between windows.
- if (ev.keyCode === 192
- && ((!isMac && ev.altKey)
- || (isMac && ev.metaKey))) {
- cancel(ev);
+ if (key === '\x1bj') {
+ offset = -1;
+ } else if (key === '\x1bk') {
+ offset = +1;
+ } else {
+ return;
+ }
- var i = indexOf(windows, this.window) + 1;
- if (windows[i]) return windows[i].highlight();
- if (windows[0]) return windows[0].highlight();
+ i = indexOf(tty.windows, this.window) + offset;
+
+ this._ignoreNext();
+
+ if (tty.windows[i]) return tty.windows[i].highlight();
+
+ if (offset > 0) {
+ if (tty.windows[0]) return tty.windows[0].highlight();
+ } else {
+ i = tty.windows.length - 1;
+ if (tty.windows[i]) return tty.windows[i].highlight();
+ }
return this.window.highlight();
- }
+ });
- // URXVT Keys for tab navigation and creation.
- // Shift-Left, Shift-Right, Shift-Down
- if (ev.shiftKey && (ev.keyCode >= 37 && ev.keyCode <= 40)) {
- cancel(ev);
+ this.on('request paste', function(key) {
+ this.socket.emit('request paste', function(err, text) {
+ if (err) return;
+ self.send(text);
+ });
+ });
+
+ this.on('request create', function() {
+ this.window.createTab();
+ });
- if (ev.keyCode === 37) {
- return this.window.previousTab();
- } else if (ev.keyCode === 39) {
- return this.window.nextTab();
+ this.on('request term', function(key) {
+ if (this.window.tabs[key]) {
+ this.window.tabs[key].focus();
}
+ });
- return this.window.createTab();
- }
+ this.on('request term next', function(key) {
+ this.window.nextTab();
+ });
- // Pass to terminal key handler.
- return this._keyDownHandler(ev);
+ this.on('request term previous', function(key) {
+ this.window.previousTab();
+ });
};
-// tmux/screen-like keys
-Tab.prototype.specialKeyHandler = function(ev) {
- var win = this.window
- , key = ev.keyCode;
+Tab.prototype._ignoreNext = function() {
+ // Don't send the next key.
+ var handler = this.handler;
+ this.handler = function() {
+ this.handler = handler;
+ };
+ var showCursor = this.showCursor;
+ this.showCursor = function() {
+ this.showCursor = showCursor;
+ };
+};
- switch (key) {
- case 65: // a
- if (ev.ctrlKey) {
- return this._keyDownHandler(ev);
- }
- break;
- case 67: // c
- win.createTab();
- break;
- case 75: // k
- win.focused.destroy();
- break;
- case 87: // w (tmux key)
- case 222: // " - mac (screen key)
- case 192: // " - windows (screen key)
- break;
- default: // 0 - 9
- if (key >= 48 && key <= 57) {
- key -= 48;
- // 1-indexed
- key--;
- if (!~key) key = 9;
- if (win.tabs[key]) {
- win.tabs[key].focus();
- }
- }
- break;
- }
+/**
+ * Program-specific Features
+ */
- return cancel(ev);
+Tab.scrollable = {
+ irssi: true,
+ man: true,
+ less: true,
+ htop: true,
+ top: true,
+ w3m: true,
+ lynx: true,
+ mocp: true
};
-Tab.prototype.pollProcessName = function(func) {
+Tab.prototype._bindMouse = Tab.prototype.bindMouse;
+
+Tab.prototype.bindMouse = function() {
+ if (!Terminal.programFeatures) return this._bindMouse();
+
var self = this;
- socket.emit('process', this.id, function(err, name) {
- self.process = name;
- self.button.title = name;
- if (self.window.focused === self) {
- self.window.title.innerHTML = name;
+
+ var wheelEvent = 'onmousewheel' in window
+ ? 'mousewheel'
+ : 'DOMMouseScroll';
+
+ on(self.element, wheelEvent, function(ev) {
+ if (self.mouseEvents) return;
+ if (!Tab.scrollable[self.process]) return;
+
+ if ((ev.type === 'mousewheel' && ev.wheelDeltaY > 0)
+ || (ev.type === 'DOMMouseScroll' && ev.detail < 0)) {
+ // page up
+ self.keyDown({keyCode: 33});
+ } else {
+ // page down
+ self.keyDown({keyCode: 34});
}
- if (func) func(name);
+
+ return cancel(ev);
+ });
+
+ return this._bindMouse();
+};
+
+Tab.prototype.pollProcessName = function(func) {
+ var self = this;
+ this.socket.emit('process', this.id, function(err, name) {
+ if (err) return func && func(err);
+ self.setProcessName(name);
+ return func && func(null, name);
});
};
+Tab.prototype.setProcessName = function(name) {
+ name = sanitize(name);
+
+ if (this.process !== name) {
+ this.emit('process', name);
+ }
+
+ this.process = name;
+ this.button.title = name;
+
+ if (this.window.focused === this) {
+ // if (this.title) {
+ // name += ' (' + this.title + ')';
+ // }
+ this.window.title.innerHTML = name;
+ }
+};
+
/**
* Helpers
*/
-function inherits(child, parent) {
- function f() {
- this.constructor = child;
- }
- f.prototype = parent.prototype;
- child.prototype = new f;
-}
-
function indexOf(obj, el) {
var i = obj.length;
while (i--) {
@@ -664,46 +881,38 @@ function splice(obj, el) {
if (~i) obj.splice(i, 1);
}
-function on(el, type, handler, capture) {
- el.addEventListener(type, handler, capture || false);
+function sanitize(text) {
+ if (!text) return '';
+ return (text + '').replace(/[&<>]/g, '')
}
-function off(el, type, handler, capture) {
- el.removeEventListener(type, handler, capture || false);
-}
-
-function cancel(ev) {
- if (ev.preventDefault) ev.preventDefault();
- ev.returnValue = false;
- if (ev.stopPropagation) ev.stopPropagation();
- ev.cancelBubble = true;
- return false;
-}
-
-var isMac = ~navigator.userAgent.indexOf('Mac');
-
/**
* Load
*/
function load() {
- off(doc, 'load', load);
- off(doc, 'DOMContentLoaded', load);
- open();
+ if (load.done) return;
+ load.done = true;
+
+ off(document, 'load', load);
+ off(document, 'DOMContentLoaded', load);
+ tty.open();
}
-on(doc, 'load', load);
-on(doc, 'DOMContentLoaded', load);
+on(document, 'load', load);
+on(document, 'DOMContentLoaded', load);
setTimeout(load, 200);
/**
* Expose
*/
-this.tty = {
- Window: Window,
- Tab: Tab,
- Terminal: Terminal
-};
+tty.Window = Window;
+tty.Tab = Tab;
+tty.Terminal = Terminal;
+
+this.tty = tty;
-}).call(this);
+}).call(function() {
+ return this || (typeof window !== 'undefined' ? window : global);
+}());