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module DBF
class Header
attr_reader :version, :record_count, :header_length, :record_length, :encoding_key, :encoding
def initialize(data)
@data = data
unpack_header
end
def unpack_header
@version = @data.unpack1('H2')
case @version
when '02'
@record_count, @record_length = @data.unpack('x v x3 v')
@header_length = 521
else
@record_count, @header_length, @record_length, @encoding_key = @data.unpack('x x3 V v2 x17 H2')
@encoding = DBF::ENCODINGS[@encoding_key]
end
end
end
end
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