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Mail::ParameterHash

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

Public Instance Methods

[](key_name) click to toggle source
    # File lib/mail/fields/common/parameter_hash.rb, line 15
15:     def [](key_name)
16:       pairs = select { |k,v| k =~ /^#{key_name}\*/ }
17:       pairs = pairs.to_a if RUBY_VERSION >= '1.9'
18:       if pairs.empty? # Just dealing with a single value pair
19:         super(key_name)
20:       else # Dealing with a multiple value pair or a single encoded value pair
21:         string = pairs.sort { |a,b| a.first <=> b.first }.map { |v| v.last }.join('')
22:         if mt = string.match(/([\w\d\-]+)'(\w\w)'(.*)/)
23:           string = mt[3]
24:           encoding = mt[1]
25:         else
26:           encoding = nil
27:         end
28:         Mail::Encodings.param_decode(string, encoding)
29:       end
30:     end
decoded() click to toggle source
    # File lib/mail/fields/common/parameter_hash.rb, line 42
42:     def decoded
43:       map.sort { |a,b| a.first <=> b.first }.map do |key_name, value|
44:         %{#{key_name}=#{quote_token(value)}}
45:       end.join("; ")
46:     end
encoded() click to toggle source
    # File lib/mail/fields/common/parameter_hash.rb, line 32
32:     def encoded
33:       map.sort { |a,b| a.first <=> b.first }.map do |key_name, value|
34:         unless value.ascii_only?
35:           value = Mail::Encodings.param_encode(value)
36:           key_name = "#{key_name}*"
37:         end
38:         %{#{key_name}=#{quote_token(value)}}
39:       end.join(";\r\n\s")
40:     end

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