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