module Sinatra::RespondWith::Helpers
Public Instance Methods
respond_to(&block)
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# File lib/sinatra/respond_with.rb, line 162 def respond_to(&block) Format.new(self).finish(&block) end
respond_with(template, object = nil, &block)
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# File lib/sinatra/respond_with.rb, line 132 def respond_with(template, object = nil, &block) object, template = template, nil unless Symbol === template format = Format.new(self) format.on "*/*" do |type| exts = settings.ext_map[type] exts << :xml if type.end_with? '+xml' if template args = template_cache.fetch(type, template) { template_for(template, exts) } if args.any? locals = { :object => object } locals.merge! object.to_hash if object.respond_to? :to_hash renderer = args.first options = args[1..-1] + [{:locals => locals}] halt send(renderer, *options) end end if object exts.each do |ext| halt json(object) if ext == :json next unless object.respond_to? method = "to_#{ext}" halt(*object.send(method)) end end false end format.finish(&block) end
Private Instance Methods
template_for(name, exts)
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# File lib/sinatra/respond_with.rb, line 168 def template_for(name, exts) # in production this is cached, so don't worry too much about runtime possible = [] settings.template_engines[:all].each do |engine| exts.each { |ext| possible << [engine, "#{name}.#{ext}"] } end exts.each do |ext| settings.template_engines[ext].each { |e| possible << [e, name] } end possible.each do |engine, template| # not exactly like Tilt[engine], but does not trigger a require if Tilt.respond_to?(:mappings) klass = Tilt.mappings[Tilt.normalize(engine)].first else klass = Tilt[engine] end find_template(settings.views, template, klass) do |file| next unless File.exist? file return settings.rendering_method(engine) << template.to_sym end end [] # nil or false would not be cached end