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# frozen_string_literal: false
#
# xmlrpc/base64.rb
# Copyright (C) 2001, 2002, 2003 by Michael Neumann (mneumann@ntecs.de)
#
# Released under the same term of license as Ruby.
module XMLRPC # :nodoc:
# This class is necessary for 'xmlrpc4r' to determine that a string should
# be transmitted base64-encoded and not as a raw-string.
#
# You can use XMLRPC::Base64 on the client and server-side as a
# parameter and/or return-value.
class Base64
include Comparable
# Creates a new XMLRPC::Base64 instance with string +str+ as the
# internal string. When +state+ is +:dec+ it assumes that the
# string +str+ is not in base64 format (perhaps already decoded),
# otherwise if +state+ is +:enc+ it decodes +str+
# and stores it as the internal string.
def initialize(str, state = :dec)
case state
when :enc
@str = Base64.decode(str)
when :dec
@str = str
else
raise ArgumentError, "wrong argument; either :enc or :dec"
end
end
# Returns the decoded internal string.
def decoded
@str
end
# Returns the base64 encoded internal string.
def encoded
Base64.encode(@str)
end
# Compare two base64 values, based on decoded string
def <=>(other)
return nil unless other.is_a?(self.class)
decoded <=> other.decoded
end
# Decodes string +str+ with base64 and returns that value.
def Base64.decode(str)
str.gsub(/\s+/, "").unpack("m")[0]
end
# Encodes string +str+ with base64 and returns that value.
def Base64.encode(str)
[str].pack("m")
end
end
end # module XMLRPC
=begin
= History
$Id$
=end
|
