71 lines
1.6 KiB
Ruby
71 lines
1.6 KiB
Ruby
# -*- coding: binary -*-
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require 'yaml'
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class BitStruct
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if RUBY_VERSION == "1.8.2"
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def is_complex_yaml? # :nodoc:
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true
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end
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YAML.add_ruby_type(/^bitstruct/) do |type, val|
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subtype, subclass = YAML.read_type_class(type, Object)
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subclass.new(val)
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end
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def to_yaml_type # :nodoc:
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"!ruby/bitstruct:#{self.class}"
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end
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def to_yaml( opts = {} ) # :nodoc:
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opts[:DocType] = self.class if Hash === opts
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YAML.quick_emit(self.object_id, opts) do |out|
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out.map(to_yaml_type) do |map|
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fields.each do |field|
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fn = field.name
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map.add(fn, send(fn))
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end
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end
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end
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end
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else
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yaml_as "tag:path.berkeley.edu,2006:bitstruct"
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def to_yaml_properties # :nodoc:
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yaml_fields = fields.select {|field| field.inspectable?}
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props = yaml_fields.map {|f| f.name.to_s}
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if (rest_field = self.class.rest_field)
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props << rest_field.name.to_s
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end
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props
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end
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# Return YAML representation of the BitStruct.
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def to_yaml( opts = {} )
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YAML::quick_emit( object_id, opts ) do |out|
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out.map( taguri, to_yaml_style ) do |map|
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to_yaml_properties.each do |m|
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map.add( m, send( m ) )
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end
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end
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end
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end
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def self.yaml_new( klass, tag, val ) # :nodoc:
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unless Hash === val
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raise YAML::TypeError, "Invalid BitStruct: " + val.inspect
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end
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bitstruct_name, bitstruct_type = YAML.read_type_class( tag, BitStruct )
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st = bitstruct_type.new
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val.each do |k,v|
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st.send( "#{k}=", v )
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end
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st
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end
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end
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end
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