diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/http')
| -rw-r--r-- | actionpack/lib/action_dispatch/http/mime_type.rb | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/http/mime_type.rb b/actionpack/lib/action_dispatch/http/mime_type.rb index ee1913dbf9..fe39c220a5 100644 --- a/actionpack/lib/action_dispatch/http/mime_type.rb +++ b/actionpack/lib/action_dispatch/http/mime_type.rb @@ -29,6 +29,11 @@ module Mime Type.lookup_by_extension(type.to_s) end + def self.fetch(type) + return type if type.is_a?(Type) + EXTENSION_LOOKUP.fetch(type.to_s) { |k| yield k } + end + # Encapsulates the notion of a mime type. Can be used at render time, for example, with: # # class PostsController < ActionController::Base @@ -53,6 +58,8 @@ module Mime cattr_reader :browser_generated_types attr_reader :symbol + @register_callbacks = [] + # A simple helper class used in parsing the accept header class AcceptItem #:nodoc: attr_accessor :order, :name, :q @@ -84,6 +91,10 @@ module Mime TRAILING_STAR_REGEXP = /(text|application)\/\*/ PARAMETER_SEPARATOR_REGEXP = /;\s*\w+="?\w+"?/ + def register_callback(&block) + @register_callbacks << block + end + def lookup(string) LOOKUP[string] end @@ -101,10 +112,15 @@ module Mime def register(string, symbol, mime_type_synonyms = [], extension_synonyms = [], skip_lookup = false) Mime.const_set(symbol.upcase, Type.new(string, symbol, mime_type_synonyms)) - SET << Mime.const_get(symbol.upcase) + new_mime = Mime.const_get(symbol.upcase) + SET << new_mime ([string] + mime_type_synonyms).each { |str| LOOKUP[str] = SET.last } unless skip_lookup ([symbol] + extension_synonyms).each { |ext| EXTENSION_LOOKUP[ext.to_s] = SET.last } + + @register_callbacks.each do |callback| + callback.call(new_mime) + end end def parse(accept_header) |