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hack

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资源说明：The tiniest web-framework, ever.

# The Hack API #


WARNING!!! WARNING!!! WARNING!!! THIS DOCUMENT IS NOTHING
MORE THAN A BRAINSTORMING SESSION! FOR ACTUAL API USAGE 
PLEASE REFER TO spec/hack_spec.rb AND example-app/blog.rb

(and on another note, when it's finished, which should
be soon, i'll update this all a-nicey for you'se wanting
to hack away at/with hack)

## Basic GET using #uri: ##

    Hack.app do
      uri (or map or get? maybe get...) '/' do
        'Hello World'
      end
    end

## GET/POST/PUT/DELETE: ##

    Hack.app do
      get('/') { 'You got me' }
      post('/') { 'You posted me' }
      put('/') { 'You put me' }
      delete('/') { 'You deleted me' }
    end

(Possible) alternative syntax:

    Hack.app do
      uri '/' do
        get { 'You got me' }
        post { 'You posetd me' }
        put { 'You put me' }
        delete { 'You deleted me' }
      end
    end

## Running an app on port 4000: ##

    @app = Hack.app { url('/') { 'Hello World!' } }
    @app.run! :port => 4000

Alternative syntax:

    Hack.run!(:port => 4000) { url('/') { 'Hello World!' } }

## Serving a path (+ performance awesome for Apache/Lighttpd/Nginx): ##

    Hack.app do
      serve 'images' # mounts images using Rack::DirHandler
      serve 'music', :via => :x_send_file # uses x-sendfile (Apache/Lighttpd)
      serve 'video', :via => :x_acell_redirect # uses x-acell-redirect (Nginx)
    end

## Redirecting requests (w/ permanent + temporary options): ##

    Hack.app do
      uri('/') { 'Welcome home.' }
      url('/go-home-for-a-bit') { redirect '/', :temporarily }
      uri('/go-home-forever') { redirect '/', :permanently }
    end

## 404, 500, + custom status rendering: ##

    Hack.app do
      uri('/404') { 404 }
      uri('/500') { 500 }
      uri('/custom-404') { 'Page not found.', 404 }
      uri('/custom-500') { 'Error, damnit!', 404 }
    end

## Turning off threading: ##

    Hack.app :threaded => false do
      uri '/' do
        sleep 10 # will block other requests for 10 seconds
      end
    end

## Including custom modules for the 'actions' to use: ##

    module OurTemplateEngine
      def render_template(template)
        "You rendered #{template}!"
      end
    end
    
    Hack.app do
      include OurTemplateEngine  
      uri '/' do
        render_template 'home' # returns "You rendered home!"
      end
    end

## Using regex capture groups in uri definitions, as paramaters, this rules: ##

    Hack.app do
      uri '/user/(\w+)', :as => :users_hompeage do |username|
        "Welcome to #{username}'s page."
      end
      uri '/user/(\w+)/edit' do |username|
        "Trying to edit #{username}'s profile, eh?"
      end
    end


## These TODOs are listed by priority: ##

 * TODO: Working with sessions. They'll be cookie based, stolen form Rails :) auto-generates a secret to ./.hack-secret, uses that, rather than having to specify your own.
 * TODO: accessing request/response/session/params, via an OpenStruct
 * TODO: Nice exception handling
 * TODO: access.log, error.log
 * TODO: Filters, somehow...
 * TODO: Nesting uri's, is this even a good idea?

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