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add examples directory

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This commit is contained in:
Konstantin Haase 2011-12-30 12:00:40 +01:00
parent 42c7bcac62
commit 88406916d8
3 changed files with 90 additions and 0 deletions
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61
examples/chat.rb Executable file
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#!/usr/bin/env ruby -I ../lib -I lib
# coding: utf-8
require 'sinatra'
set :server, 'thin'
connections = []
get '/' do
halt erb(:login) unless params[:user]
erb :chat, :locals => { :user => params[:user].gsub(/\W/, '') }
end
get '/stream', :provides => 'text/event-stream' do
stream :keep_open do |out|
connections << out
out.callback { connections.delete(out) }
end
end
post '/' do
connections.each { |out| out << "data: #{params[:msg]}\n\n" }
204 # response without entity body
end
__END__
@@ layout
<html>
<head>
<title>Super Simple Chat with Sinatra</title>
<meta charset="utf-8" />
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
</head>
<body><%= yield %></body>
</html>
@@ login
<form action='/'>
<label for='user'>User Name:</label>
<input name='user' value='' />
<input type='submit' value="GO!" />
</form>
@@ chat
<pre id='chat'></pre>
<script>
// reading
var es = new EventSource('/stream');
es.onmessage = function(e) { $('#chat').append(e.data + "\n") };
// writing
$("form").live("submit", function(e) {
$.post('/', {msg: "<%= user %>: " + $('#msg').val()});
$('#msg').val(''); $('#msg').focus();
e.preventDefault();
});
</script>
<form>
<input id='msg' placeholder='type message here...' />
</form>

3
examples/simple.rb Executable file
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#!/usr/bin/env ruby -I ../lib -I lib
require 'sinatra'
get('/') { 'this is a simple app' }

26
examples/stream.ru Normal file
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# this example does *not* work properly with WEBrick
#
# run *one* of these:
#
# rackup -s mongrel stream.ru # gem install mongrel
# thin -R stream.ru start # gem install thin
# unicorn stream.ru # gem install unicorn
# puma stream.ru # gem install puma
require 'sinatra/base'
class Stream < Sinatra::Base
get '/' do
content_type :txt
stream do |out|
out << "It's gonna be legen -\n"
sleep 0.5
out << " (wait for it) \n"
sleep 1
out << "- dary!\n"
end
end
end
run Stream