Encapsulates the notion of a mime type. Can be used at render time, for example, with:
class PostsController < ActionController::Base def show @post = Post.find(params[:id]) respond_to do |format| format.html format.ics { render :text => post.to_ics, :mime_type => Mime::Type["text/calendar"] } format.xml { render :xml => @people.to_xml } end end end
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TRAILING_STAR_REGEXP | = | /(text|application)\/\*/ |
[R] | symbol |
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 86 def lookup(string) LOOKUP[string] end
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 90 def lookup_by_extension(extension) EXTENSION_LOOKUP[extension.to_s] end
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 205 def initialize(string, symbol = nil, synonyms = []) @symbol, @synonyms = symbol, synonyms @string = string end
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 109 def parse(accept_header) if accept_header !~ /,/ if accept_header =~ TRAILING_STAR_REGEXP parse_data_with_trailing_star($1) else [Mime::Type.lookup(accept_header)] end else # keep track of creation order to keep the subsequent sort stable list, index = [], 0 accept_header.split(/,/).each do |header| params, q = header.split(/;\s*q=/) if params.present? params.strip! if params =~ TRAILING_STAR_REGEXP parse_data_with_trailing_star($1).each do |m| list << AcceptItem.new(index, m.to_s, q) index += 1 end else list << AcceptItem.new(index, params, q) index += 1 end end end list.sort! # Take care of the broken text/xml entry by renaming or deleting it text_xml = list.index("text/xml") app_xml = list.index(Mime::XML.to_s) if text_xml && app_xml # set the q value to the max of the two list[app_xml].q = [list[text_xml].q, list[app_xml].q].max # make sure app_xml is ahead of text_xml in the list if app_xml > text_xml list[app_xml], list[text_xml] = list[text_xml], list[app_xml] app_xml, text_xml = text_xml, app_xml end # delete text_xml from the list list.delete_at(text_xml) elsif text_xml list[text_xml].name = Mime::XML.to_s end # Look for more specific XML-based types and sort them ahead of app/xml if app_xml idx = app_xml app_xml_type = list[app_xml] while(idx < list.length) type = list[idx] break if type.q < app_xml_type.q if type.name =~ /\+xml$/ list[app_xml], list[idx] = list[idx], list[app_xml] app_xml = idx end idx += 1 end end list.map! { |i| Mime::Type.lookup(i.name) }.uniq! list end end
input: ‘text’ returned value: [Mime::JSON, Mime::XML, Mime::ICS, Mime::HTML, Mime::CSS, Mime::CSV, Mime::JS, Mime::YAML, Mime::TEXT]
input: ‘application’ returned value: [Mime::HTML, Mime::JS, Mime::XML, Mime::YAML, Mime::ATOM, Mime::JSON, Mime::RSS, Mime::URL_ENCODED_FORM]
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 185 def parse_data_with_trailing_star(input) Mime::SET.select { |m| m =~ input } end
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 100 def register(string, symbol, mime_type_synonyms = [], extension_synonyms = [], skip_lookup = false) Mime.const_set(symbol.to_s.upcase, Type.new(string, symbol, mime_type_synonyms)) SET << Mime.const_get(symbol.to_s.upcase) ([string] + mime_type_synonyms).each { |str| LOOKUP[str] = SET.last } unless skip_lookup ([symbol.to_s] + extension_synonyms).each { |ext| EXTENSION_LOOKUP[ext] = SET.last } end
Registers an alias that’s not used on mime type lookup, but can be referenced directly. Especially useful for rendering different HTML versions depending on the user agent, like an iPhone.
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 96 def register_alias(string, symbol, extension_synonyms = []) register(string, symbol, [], extension_synonyms, true) end
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 194 def unregister(symbol) symbol = symbol.to_s.upcase mime = Mime.const_get(symbol) Mime.instance_eval { remove_const(symbol) } SET.delete_if { |v| v.eql?(mime) } LOOKUP.delete_if { |k,v| v.eql?(mime) } EXTENSION_LOOKUP.delete_if { |k,v| v.eql?(mime) } end
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 234 def ==(mime_type) return false if mime_type.blank? (@synonyms + [ self ]).any? do |synonym| synonym.to_s == mime_type.to_s || synonym.to_sym == mime_type.to_sym end end
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 226 def ===(list) if list.is_a?(Array) (@synonyms + [ self ]).any? { |synonym| list.include?(synonym) } else super end end
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 241 def =~(mime_type) return false if mime_type.blank? regexp = Regexp.new(Regexp.quote(mime_type.to_s)) (@synonyms + [ self ]).any? do |synonym| synonym.to_s =~ regexp end end
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 255 def html? @@html_types.include?(to_sym) || @string =~ /html/ end
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# File actionpack/lib/action_dispatch/http/mime_type.rb, line 222 def ref to_sym || to_s end
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# File actionpack/lib/action_dispatch/http/mime_type.rb, line 210 def to_s @string end
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# File actionpack/lib/action_dispatch/http/mime_type.rb, line 214 def to_str to_s end
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# File actionpack/lib/action_dispatch/http/mime_type.rb, line 218 def to_sym @symbol end
Returns true if Action Pack should check requests using this Mime Type for possible request forgery. See ActionController::RequestForgeryProtection.
Source: show
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 251 def verify_request? @@browser_generated_types.include?(to_sym) end