server.coffee

   1 handler = (req, res) ->
   2         reply_err = (req, res, msg) ->
   3                 res.writeHead(200, 'Content-Type': 'text/plain')
   4                 return res.end("Error loading #{req.url} \"#{msg}\"")
   5         switch req.url
   6                 when '/', '/index.html'
   7                         filename = __dirname + '/index.html'
   8                         type = 'text/html'
   9                 when '/jquery.js'
  10                         filename = '/usr/share/javascript/jquery/jquery.min.js'
  11                         type = 'text/javascript'
  12                 when '/terminal.js'
  13                         filename = __dirname + '/terminal.coffee'
  14                         type = 'text/javascript'
  15                 else
  16                         return reply_err req, res
  17         fs.readFile filename, 'utf8', (err, data) ->
  18                 return reply_err req, res, err if err
  19
  20                 if filename.substr(filename.length - 7) is '.coffee'
  21                         try
  22                                 data = coffee.compile data
  23                         catch e
  24                                 return reply_err req, res, "server faild to compile #{filename}: #{JSON.stringify(e)}"
  25
  26                 res.writeHead(200, 'Content-Type': type)
  27                 res.end(data)
  28
  29 coffee = require 'coffee-script'
  30 app = require('http').createServer(handler)
  31 io = require('socket.io').listen(app)
  32 fs = require('fs')
  33 terminal = require('./terminal.coffee')
  34
  35 # SETTINGS
  36 app.listen(9293)
  37 term = terminal.new(105, 66)
  38
  39 sockets = []
  40
  41 io.sockets.on 'connection', (socket) ->
  42         sockets.push socket
  43         socket.on 'disconnect', ->
  44                 for i in [i...sockets.length]
  45                         if sockets[i] is socket
  46                                 sockets.splice i, 1
  47                                 return
  48
  49         socket.emit 'init', width: term.width, height: term.height, x: term.x, y: term.y, a: term.a, text: term.text, attributes: term.attributes
  50
  51 process.stdin.resume()
  52 process.stdin.setEncoding 'utf8'
  53
  54 process.stdin.on 'data', (data) ->
  55         term.update data
  56         for s in sockets
  57                 s.emit 'data', data
  58
  59 process.stdin.on 'end', -> process.exit()