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Contents
# encoding: utf-8
# frozen_string_literal: true
module Mail
# ParameterHash is an intelligent Hash that allows you to add
# parameter values including the MIME extension paramaters that
# have the name*0="blah", name*1="bleh" keys, and will just return
# a single key called name="blahbleh" and do any required un-encoding
# to make that happen
# Parameters are defined in RFC2045, split keys are in RFC2231
class ParameterHash < IndifferentHash
include Mail::Utilities
def [](key_name)
key_pattern = Regexp.escape(key_name.to_s)
pairs = []
exact = nil
each do |k,v|
if k =~ /^#{key_pattern}(\*|$)/i
if $1 == ASTERISK
pairs << [k, v]
else
exact = k
end
end
end
if pairs.empty? # Just dealing with a single value pair
super(exact || key_name)
else # Dealing with a multiple value pair or a single encoded value pair
string = pairs.sort_by { |a| a.first.to_s =~ /^([^*]+)\*(\d+)/ ? [$1, $2.to_i] : [a.first.to_s, 0] }.map { |v| v.last }.join('')
if mt = string.match(/([\w\-]+)?'(\w\w)?'(.*)/)
string = mt[3]
encoding = mt[1]
else
encoding = nil
end
Mail::Encodings.param_decode(string, encoding)
end
end
def encoded
map.sort_by { |a| a.first.to_s =~ /^([^*]+)\*(\d+)/ ? [$1, $2.to_i] : [a.first.to_s, 0] }.map! do |key_name, value|
unless value.ascii_only?
value = Mail::Encodings.param_encode(value)
key_name = "#{key_name}*"
end
%Q{#{key_name}=#{quote_token(value)}}
end.join(";\r\n\s")
end
def decoded
map.sort_by { |a| a.first.to_s =~ /^([^*]+)\*(\d+)/ ? [$1, $2.to_i] : [a.first.to_s, 0] }.map! do |key_name, value|
%Q{#{key_name}=#{quote_token(value)}}
end.join("; ")
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems