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Rack middleware and application for serving dynamic pages in very simple way.
Ruby Other
Branch: master

README.md

Rack Server Pages

Rack middleware and application for serving dynamic pages in very simple way.
There are no controllers or models, just only views like a jsp, asp and php!

http://github.com/migrs/rack-server-pages

Build Status Dependency Status Still Maintained

Features

  • Serving dynamic pages (default: ERB)
  • Serving static files
  • No requirements (except Rack)
  • Tilt support (optional)
  • Include a partial template
  • Layout template
  • Before/After filters
  • Handle exceptions
  • Include helpers
  • Integrate with any rack applications (Rails, Sinatra, etc...)
  • Extremely simple and easy to use!

Requirements

Install

RubyGems available

gem install rack-server-pages

Basic usage

Run as Rack application

Create config.ru

require 'rack-server-pages'
run Rack::ServerPages

Create public/index.erb

<h1>Hello rack!</h1>
<p><%= Time.now %></p>

Finally running rackup

rackup

and visit http://localhost:9292/

Valid requests,

Use as Rack middleware

Edit config.ru

require 'rack-server-pages'
use Rack::ServerPages
run Rack::ServerPages::NotFound # or your MyApp

And same as above.

Template bindings

  • CoreHelper

    • layout(file)
    • partial(file)
    • redirect(target, status=302) (same as Sinatra)
    • halt(*args) (same as Sinatra)
    • url(path)
  • Rack::Request

    • request
    • env
    • params
    • session
    • cookies
    • logger
  • Rack::Response

    • response
    • headers
    • set_cookies
    • delete_cookie
  • ERB::Util

    • h (alias for: html_escape)
    • u (alias for: url_encode)

Configurations

Rack middleware

with parameter

use Rack::ServerPages, :view_path => 'public'

with block

use Rack::ServerPages do |config|
  config.view_path = 'public'
end

Rack application

with parameter

run Rack::ServerPages[:view_path => 'public']

with block

run Rack::ServerPages.new { |config|
  config.view_path = 'public'
}

Options

  • view_path

    • Views folders to load templates from.
    • default: [views, public]
  • effective_path

    • default: nil
  • default_charset

    • default: utf-8
  • cache_control

    • default: nil
  • failure_app

    • default: nil

Helpers

with helpers block

use Rack::ServerPages do |config|
  config.helpers do
    def three_times(name)
      "#{([name.to_s]*3).join(' ')}!!"
    end
  end
end

in view file (erb)

<%= three_times('blah') %>

with helper module

module SampleHelper
  def three_times(name)
    "#{([name.to_s]*3).join(' ')}!!"
  end
end

use Rack::ServerPages do |config|
  config.helpers SampleHelper
end

with procs

help1 = proc do
  def three_times(name)
    "#{([name.to_s]*3).join(' ')}!!"
  end
end

help2 = proc {...}

use Rack::ServerPages do |config|
  config.helpers help1, help2
end

Filters

with before/after block

use Rack::ServerPages do |config|
  config.before do
    @title = 'Hello!'
  end

  config.after do
    logger.debug 'xxxx'
  end
end

with procs

proc1 = proc { @name = 'Jonny' }
proc2 = proc { @age = 24 }
proc3 = proc { logger.debug 'xxxx' }

use Rack::ServerPages do |config|
  config.before proc1, proc2
  config.after proc3
end

if you define before/after method in helper module, it will be treated as filters

module SampleHelper
  def before
    @title = 'Hello!'
  end

  def three_times(name)
    "#{([name.to_s]*3).join(' ')}!!"
  end
end

use Rack::ServerPages do |config|
  config.helpers SampleHelper
end

in view file

<%= three_times(@title) %>

Tilt support

Tilt is generic interface to multiple Ruby template engines.
If you want to use Tilt, just require 'tilt' and require template engine libraries that you want.

require 'rack-server-pages'
require 'tilt'
require 'rdiscount' # markdown library
run Rack::ServerPages

or put your Gemfile

Markdown

views/article.html.md

A First Level Header
====================

A Second Level Header
---------------------

Now is the time for all good men to come to
the aid of their country. This is just a
regular paragraph.

### Header 3

> This is a blockquote.
> Thank you

[source](http://github.com/migrs/rack-server-pages)

http://localhost:9292/article.html

<h1>A First Level Header</h1>

<h2>A Second Level Header</h2>

<p>Now is the time for all good men to come to
the aid of their country. This is just a
regular paragraph.</p>

<h3>Header 3</h3>

<blockquote><p>This is a blockquote.
Thank you</p></blockquote>

<p><a href="http://github.com/migrs/rack-server-pages">source</a></p>

Slim

views/about.html.slim

doctype html
html
  head
    title Slim Core Example
    meta name="keywords" content="template language"

  body
    h1 Markup examples

    div id="content" class="example1"
      p Nest by indentation

http://localhost:9292/about.html

<!DOCTYPE html>
<html>
  <head>
    <title>Slim Core Example</title>
    <meta content="template language" name="keywords" />
  </head>
  <body>
    <h1>Markup examples</h1>
    <div class="example1" id="content">
      <p>Nest by indentation</p>
    </div>
  </body>
</html>

Sass

views/betty.css.sass

$blue: #3bbfce
$margin: 16px

.content-navigation
  border-color: $blue
  color: darken($blue, 9%)

.border
  padding: $margin / 2
  margin: $margin / 2
  border-color: $blue

http://localhost:9292/betty.css

.content-navigation {
  border-color: #3bbfce;
  color: #2ca2af; }

.border {
  padding: 8px;
  margin: 8px;
  border-color: #3bbfce; }

Builder

views/contact.xml.builder

xml.instruct!
xml.result do |result|
  result.name "John"
  result.phone "910-1974"
end

http://localhost:9292/contact.xml

<result>
  <name>John</name>
  <phone>910-1974</phone>
</result>

CoffeeScript

views/script.js.coffee

number   = 42
opposite = true

number = -42 if opposite

square = (x) -> x * x

list = [1, 2, 3, 4, 5]

math =
  root:   Math.sqrt
  square: square
  cube:   (x) -> x * square x

http://localhost:9292/script.js

(function() {
  var list, math, number, opposite, square;

  number = 42;

  opposite = true;

  if (opposite) number = -42;

  square = function(x) {
    return x * x;
  };

  list = [1, 2, 3, 4, 5];

  math = {
    root: Math.sqrt,
    square: square,
    cube: function(x) {
      return x * square(x);
    }
  };

}).call(this);

see more http://localhost:9292/examples/

Integrate with Rack applications

At first, create sample file: public/hello.erb or views/hello.html.erb

<p>Hello Rack Server Pages!</p>
<p><%= Time.now %></p>

Rails

Add to config/environment.rb (Rails2) or config/application.rb (Rails3)

config.middleware.use Rack::ServerPages

And run

Rails2

script/server

Rails3

rails s

Sinatra

Create sinatra_sample.rb

require 'sinatra'
require 'rack-server-pages'

use Rack::ServerPages

get '/' do
  '<p>Hello Sinatra!</p>'
end

And run

ruby sinatra_sample.rb`

Customization

Customize file extension associations

e.g. .php as ERB

ERBTemplate (default)

Rack::ServerPages::Template::ERBTemplate.extensions << 'php'

TiltTemplate (see. Template Mappings)

Tilt.register Tilt::ERBTemplate, 'php'

And create public/info.php :)

<%= phpinfo(); %>

http://localhost:9292/info.php

Demo site

http://rack-server-pages.heroku.com/

ToDo

Implements

  • Static file generator (for designer)

Tasks

  • Tutorials
    • for PHP user
    • for Designer
    • for Windows user
  • More documents
    • Deployment using apache / passenger / nginx
  • Complete Tilt examples
  • Philosophy
  • Benchmark

License

rack-server-pages is Copyright (c) 2012 Masato Igarashi(@migrs) and distributed under the MIT license.

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