require "action_controller"

# turtle
Mime::Type.register("text/turtle", :ttl)
ActionController::Renderers.add :ttl do |obj, opts|
  str = obj.respond_to?(:to_ttl) ? obj.to_ttl : obj.to_s
  send_data str, :type => Mime::TTL, :disposition => "inline"
end

#rdf
Mime::Type.register("application/rdf+xml", :rdf)
ActionController::Renderers.add :rdf do |obj, opts|
  str = obj.respond_to?(:to_rdf) ? obj.to_rdf : obj.to_s
  send_data str, :type => Mime::RDF, :disposition => "inline"
end

#ntriples
# Note: We've elected not to respond with ntriples to text/plain as it confuses things
# (text/plain is used for plain-text tabular sparql-select results!
Mime::Type.register("application/n-triples", :nt )

ActionController::Renderers.add :nt do |obj, opts|
  str = obj.respond_to?(:to_nt) ? obj.to_nt : obj.to_s
  send_data str, :type => Mime::NT, :disposition => "inline"
end

# re-register JSON with extra headers
Mime::Type.unregister(:json)
Mime::Type.register "application/json", :json, %w( text/x-json application/jsonrequest application/sparql-results+json )
# json already has a renderer

# likewise for XML
Mime::Type.unregister(:xml)
Mime::Type.register "application/xml", :xml, %w( text/xml application/x-xml application/sparql-results+xml )
# xml already has a renderer

# text mime type and renderer already defined

# csv mime type already registered.
# csv (for sparql SELECT results)
ActionController::Renderers.add :csv do |obj, opts|
  str = obj.respond_to?(:to_csv) ? obj.to_csv : obj.to_s
  send_data str, :type => Mime::CSV, :disposition => "inline"
end