33 lines
808 B
Ruby
33 lines
808 B
Ruby
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require 'bit-struct/bit-struct'
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class BitStruct
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# Class for fixed length padding.
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class PadField < Field
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# Used in describe.
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def self.class_name
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@class_name ||= "padding"
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end
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def add_accessors_to(cl, attr = name) # :nodoc:
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# No accessors for padding.
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end
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def inspectable?; false; end
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end
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class << self
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# Define a padding field in the current subclass of BitStruct,
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# with the given _name_ and _length_ (in bits).
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#
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# If a class is provided, use it for the Field class.
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# If a string is provided, use it for the display_name.
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# If a hash is provided, use it for options.
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#
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def pad(name, length, *rest)
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opts = parse_options(rest, name, PadField)
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add_field(name, length, opts)
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end
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alias padding pad
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end
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end
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