class Mail::Encodings::TransferEncoding
Constants
- NAME
- PRIORITY
Public Class Methods
can_encode?(enc)
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# File lib/mail/encodings/transfer_encoding.rb, line 17 def self.can_encode?(enc) can_transport? enc end
can_transport?(enc)
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# File lib/mail/encodings/transfer_encoding.rb, line 8 def self.can_transport?(enc) enc = Encodings.get_name(enc) if Encodings.defined? enc Encodings.get_encoding(enc).new.is_a? self else false end end
compatible_input?(str)
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# File lib/mail/encodings/transfer_encoding.rb, line 25 def self.compatible_input?(str) true end
cost(str)
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# File lib/mail/encodings/transfer_encoding.rb, line 21 def self.cost(str) raise "Unimplemented" end
get_best_compatible(source_encoding, str)
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# File lib/mail/encodings/transfer_encoding.rb, line 33 def self.get_best_compatible(source_encoding, str) if self.can_transport?(source_encoding) && self.compatible_input?(str) source_encoding else choices = Encodings.get_all.select do |enc| self.can_transport?(enc) && enc.can_encode?(source_encoding) end best = nil best_cost = nil choices.each do |enc| # If the current choice cannot be transported safely, # give priority to other choices but allow it to be used as a fallback. this_cost = enc.cost(str) if enc.compatible_input?(str) if !best_cost || (this_cost && this_cost < best_cost) best_cost = this_cost best = enc elsif this_cost == best_cost best = enc if enc::PRIORITY < best::PRIORITY end end best end end
to_s()
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# File lib/mail/encodings/transfer_encoding.rb, line 29 def self.to_s self::NAME end
Public Instance Methods
to_s()
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# File lib/mail/encodings/transfer_encoding.rb, line 61 def to_s self.class.to_s end