module HrrRbSftp::Protocol::Common::DataTypes::Uint64
This module provides methods to convert ::Integer value and 64-bit unsigned binary string each other.
Public Class Methods
decode(io)
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Convert 64-bit unsigned binary into ::Integer value.
@param io [::IO] ::IO instance that has buffer to be read. @return [::Integer] Converted ::Integer value.
# File lib/hrr_rb_sftp/protocol/common/data_types/uint64.rb, line 33 def self.decode io (io.read(4).unpack("N")[0] << 32) + (io.read(4).unpack("N")[0]) end
encode(arg)
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Convert ::Integer value into 64-bit unsigned binary string.
@param arg [::Integer] ::Integer value to be converted. @raise [::ArgumentError] When arg is not between 0x0000_0000_0000_0000 and 0xffff_ffff_ffff_ffff. @return [::String] Converted 64-bit unsigned binary string.
# File lib/hrr_rb_sftp/protocol/common/data_types/uint64.rb, line 18 def self.encode arg case arg when 0x0000_0000_0000_0000..0xffff_ffff_ffff_ffff [arg >> 32].pack("N") + [arg & 0x0000_0000_ffff_ffff].pack("N") else raise ArgumentError, "must be in #{0x0000_0000_0000_0000}..#{0xffff_ffff_ffff_ffff}, but got #{arg.inspect}" end end