sample/config.ru
module Rack
module Formtastic
class Samples
def initialize(app)
@app = app
end
def call(env)
@status, @headers, @body = @app.call(env)
@env = env
@body = '' if favicon?
@body = static_file if !favicon? && static_file?
@body = stylesheet if stylesheet?
@headers ||= {}
@headers['Content-Type'] = mime(extension)
[@status, @headers, @body]
end
def static_file?
!stylesheet?
end
def stylesheet?
@env["PATH_INFO"] =~ /\.(css)/
end
def favicon?
@env["PATH_INFO"] =~ /favicon.ico$/
end
def extension
@env["PATH_INFO"].split(".").last
end
def mime(extension)
mimes[extension] || mimes['html']
end
def mimes
{
'ico' => 'image/x-icon',
'html' => 'text/html',
'css' => 'text/css',
'js' => 'text/javascript'
}
end
def static_file
::File.open(file_path)
end
def stylesheet
::File.open(::File.join("../app/assets/stylesheets", file_path))
end
def file_path
@env["PATH_INFO"].gsub(/^\//, '').gsub(/^$/, 'index.html')
end
end
end
end
use Rack::ContentLength
use Rack::Formtastic::Samples
app = lambda { |env| [200, @headers, @body] }
run app