Class: Protocol::HTTP::Header::AcceptLanguage

Inherits:
Split
  • Object
show all
Defined in:
lib/protocol/http/header/accept_language.rb

Overview

The ‘accept-language` header represents a list of languages that the client can accept.

Defined Under Namespace

Classes: Language

Constant Summary collapse

ParseError = 
Class.new(Error)
NAME =

tools.ietf.org/html/rfc3066#section-2.1

/\*|[A-Z]{1,8}(-[A-Z0-9]{1,8})*/i
QVALUE =

www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.9

/0(\.[0-9]{0,6})?|1(\.[0]{0,6})?/
LANGUAGE =

greenbytes.de/tech/webdav/rfc7231.html#quality.values

/\A(?<name>#{NAME})(\s*;\s*q=(?<q>#{QVALUE}))?\z/

Constants inherited from Split

Split::COMMA

Instance Method Summary collapse

Methods inherited from Split

#<<, #initialize, #to_s

Constructor Details

This class inherits a constructor from Protocol::HTTP::Header::Split

Instance Method Details

#languages ⇒ Object

Parse the ‘accept-language` header value into a list of languages.



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# File 'lib/protocol/http/header/accept_language.rb', line 39

def languages
	self.map do |value|
		if match = value.match(LANGUAGE)
			Language.new(match[:name], match[:q])
		else
			raise ParseError.new("Could not parse language: #{value.inspect}")
		end
	end
end