Sha256: f2506dcc43b539deb71f05bb4829fa664779b3abaa7a5b9b635fa004fcffdb0b
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Versions: 7
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Stored size: 1.37 KB
Contents
# bitmap functions.
# This class smells of :reek:DataClump
module Flags
def flags_32bit(name, flags)
_def_flags name, 32, flags
end
def flags_16bit(name, flags)
_def_flags name, 16, flags
end
# rubocop:disable MethodLength
# This method smells of :reek:TooManyStatements
def _def_flags(name, size, flags)
flag_value = case flags
when Array
shift = 0
flags.each_with_object({}) do |each, result|
result[each] = 1 << shift
shift += 1
result
end
when Hash
flags
end
klass_name = name.to_s.split('_').map(&:capitalize).join
flags_hash = flag_value.inspect
code = %{
class #{klass_name} < BinData::Primitive
endian :big
uint#{size} :#{name}
def get
list = #{flags_hash}
list.each_with_object([]) do |(key, value), result|
result << key if #{name} & value != 0
result
end
end
def set(v)
list = #{flags_hash}
v.each do |each|
fail "Invalid state flag: \#{v}" unless list.keys.include?(each)
end
self.#{name} = v.empty? ? 0 : v.map { |each| list[each] }.inject(:|)
end
end
}
module_eval code
end
end
Version data entries
7 entries across 7 versions & 1 rubygems