module OpenID::Yadis::XRI
Constants
- XRI_AUTHORITIES
The '(' is for cross-reference authorities, and hopefully has a matching ')' somewhere.
Public Class Methods
append_args(url, args)
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# File lib/openid/yadis/xrires.rb, line 77 def self.append_args(url, args) return url if args.length == 0 # rstrip question marks rstripped = url.dup while rstripped[-1].chr == '?' rstripped = rstripped[0...rstripped.length-1] end if rstripped.index('?') sep = '&' else sep = '?' end return url + sep + XRI.urlencode(args) end
escape_for_iri(xri)
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Note this is not not idempotent, so do not apply this more than once. XRI Syntax section 2.3.2
# File lib/openid/yadis/xri.rb, line 34 def self.escape_for_iri(xri) esc = xri.dup # encode all % esc.gsub!(/%/, '%25') esc.gsub!(/\((.*?)\)/) { |xref_match| xref_match.gsub(/[\/\?\#]/) { |char_match| CGI::escape(char_match) } } return esc end
identifier_scheme(identifier)
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# File lib/openid/yadis/xri.rb, line 12 def self.identifier_scheme(identifier) if (!identifier.nil? and identifier.length > 0 and (identifier.match('^xri://') or XRI_AUTHORITIES.member?(identifier[0].chr))) return :xri else return :uri end end
iri_to_uri(iri)
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RFC 3987 section 3.1
# File lib/openid/yadis/xri.rb, line 54 def self.iri_to_uri(iri) uri = iri.dup # for char in ucschar or iprivate # convert each char to %HH%HH%HH (as many %HH as octets) return uri end
make_xri(xri)
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# File lib/openid/yadis/xri.rb, line 82 def self.make_xri(xri) if xri.index('xri://') != 0 xri = 'xri://' + xri end return xri end
to_iri_normal(xri)
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Transform an XRI reference to an IRI reference. Note this is not not idempotent, so do not apply this to an identifier more than once. XRI Syntax section 2.3.1
# File lib/openid/yadis/xri.rb, line 26 def self.to_iri_normal(xri) iri = xri.dup iri.insert(0, 'xri://') if not iri.match('^xri://') return escape_for_iri(iri) end
to_uri_normal(xri)
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urlencode(args)
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# File lib/openid/yadis/xrires.rb, line 69 def self.urlencode(args) a = [] args.each do |key, val| a << (CGI::escape(key) + "=" + CGI::escape(val)) end a.join("&") end