Module: Sinatra::RespondTo
- Defined in:
- lib/sinatra/respond_to.rb,
lib/sinatra/respond_to/version.rb
Defined Under Namespace
Modules: Helpers Classes: MissingTemplate, UnhandledFormat
Constant Summary collapse
- Version =
'0.6.0'
Class Method Summary collapse
Class Method Details
.registered(app) ⇒ Object
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# File 'lib/sinatra/respond_to.rb', line 19 def self.registered(app) app.helpers RespondTo::Helpers app.set :default_content, :html app.set :assume_xhr_is_js, true # We remove the trailing extension so routes # don't have to be of the style # # get '/resouce.:format' # # They can instead be of the style # # get '/resource' # # and the format will automatically be available in <tt>format</tt> app.before do # Let through sinatra image urls in development next if self.class.development? && request.path_info =~ %r{/__sinatra__/.*?.png} unless .static? && .public? && (request.get? || request.head?) && static_file?(request.path_info) if request.params.has_key? 'format' format params['format'] else # Sinatra relies on a side-effect from path_info= to # determine its routes. A direct string change (e.g., sub!) # would bypass that -- and fail to have the effect we're looking # for. request.path_info = request.path_info.sub %r{\.([^\./]+)$}, '' # Thanks to Sinatra, users can call: # # set :default_content, :foo # set :default_content, proc { :foo } # set :default_content, proc { |bar| :foo } # # And get the same result from options.default_content(request). _format = .assume_xhr_is_js? ? :js : $1 if request.xhr? _format ||= .default_content(request) format _format end end end app.configure :development do |dev| dev.error UnhandledFormat do content_type :html, :charset => 'utf-8' (<<-HTML).gsub(/^ {10}/, '') <!DOCTYPE html> <html> <head> <style type="text/css"> body { text-align:center;font-family:helvetica,arial;font-size:22px; color:#888;margin:20px} #c {margin:0 auto;width:500px;text-align:left} </style> </head> <body> <h2>Sinatra doesn't know this ditty.</h2> <img src='/__sinatra__/404.png'> <div id="c"> Try this: <pre>#{request.request_method.downcase} '#{request.path_info}' do\n respond_to do |wants|\n wants.#{format} { "Hello World" }\n end\nend</pre> </div> </body> </html> HTML end dev.error MissingTemplate do content_type :html, :charset => 'utf-8' response.status = request.env['sinatra.error'].code engine = request.env['sinatra.error']..split('.').last engine = 'haml' unless ['haml', 'builder', 'erb'].include? engine path = File.basename(request.path_info) path = "root" if path.nil? || path.empty? format = engine == 'builder' ? 'xml' : 'html' layout = case engine when 'haml' then "!!!\n%html\n %body= yield" when 'erb' then "<html>\n <body>\n <%= yield %>\n </body>\n</html>" when 'builder' then "xml << yield" end layout = "<small>app.#{format}.#{engine}</small>\n<pre>#{escape_html(layout)}</pre>" (<<-HTML).gsub(/^ {10}/, '') <!DOCTYPE html> <html> <head> <style type="text/css"> body { text-align:center;font-family:helvetica,arial;font-size:22px; color:#888;margin:20px} #c {margin:0 auto;width:500px;text-align:left;} small {float:right;clear:both;} pre {clear:both;} </style> </head> <body> <h2>Sinatra can't find #{request.env['sinatra.error'].}</h2> <img src='/__sinatra__/500.png'> <div id="c"> Try this:<br /> #{layout} <small>#{path}.#{format}.#{engine}</small> <pre>Hello World!</pre> <small>application.rb</small> <pre>#{request.request_method.downcase} '#{request.path_info}' do\n respond_to do |wants|\n wants.#{engine == 'builder' ? 'xml' : 'html'} { #{engine} :#{path}#{",\n#{' '*32}layout => :app" if layout} }\n end\nend</pre> </div> </body> </html> HTML end end app.class_eval do # Changes in 1.0 Sinatra reuse render for layout so we store the # original value to tell us if this is an automatic attempt to do a # layout call. If it is, it might fail with Errno::ENOENT and we want # to pass that back to sinatra since it isn't a MissingTemplate error alias :render_without_format :render def render(*args, &block) assumed_layout = args[1] == :layout args[1] = "#{args[1]}.#{format}".to_sym if args[1].is_a?(::Symbol) render_without_format *args, &block rescue Errno::ENOENT => e raise MissingTemplate, "#{args[1]}.#{args[0]}" unless assumed_layout raise e end private :render end end |