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require "bindata/base_primitive"
module BinData
# Counts the number of bytes remaining in the input stream from the current
# position to the end of the stream. This only makes sense for seekable
# streams.
#
# require 'bindata'
#
# class A < BinData::Record
# count_bytes_remaining :bytes_remaining
# string :all_data, read_length: :bytes_remaining
# end
#
# obj = A.read("abcdefghij")
# obj.all_data #=> "abcdefghij"
#
class CountBytesRemaining < BinData::BasePrimitive
#---------------
private
def value_to_binary_string(val)
""
end
def read_and_return_value(io)
io.num_bytes_remaining
end
def sensible_default
0
end
end
end
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