class TJSON::DataType::Set
TJSON
sets
Public Class Methods
identify_type(array)
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Determine the type of a Ruby array (for serialization)
# File lib/tjson/datatype/set.rb, line 8 def self.identify_type(array) inner_type = nil array.each do |elem| t = TJSON::DataType.identify_type(elem) inner_type ||= t raise TJSON::TypeError, "set contains heterogenous types: #{array.inspect}" unless inner_type == t end new(inner_type) end
Public Instance Methods
decode(array)
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# File lib/tjson/datatype/set.rb, line 24 def decode(array) raise TJSON::TypeError, "expected Array, got #{array.class}" unless array.is_a?(::Array) if @inner_type result = ::Set.new(array.map { |o| @inner_type.decode(o) }) raise TJSON::ParseError, "set contains duplicate items" if result.size < array.size return result end return ::Set.new if array.empty? raise TJSON::ParseError, "no inner type specified for non-empty set: #{array.inspect}" end
encode(set)
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# File lib/tjson/datatype/set.rb, line 37 def encode(set) set.map { |o| TJSON::DataType.generate(o) } end
tag()
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# File lib/tjson/datatype/set.rb, line 20 def tag "S<#{@inner_type.tag}>" end