class Erlang::ETF::Binary

| 1 | 4 | Len | | — | — | —- | | 109 | Len | Data |

Binaries are generated with bit syntax expression or with [`list_to_binary/1`], [`term_to_binary/1`], or as input from binary ports.

The `Len` length field is an unsigned 4 byte integer (big endian).

(see [`BINARY_EXT`])

[`list_to_binary/1`]: erlang.org/doc/man/erlang.html#list_to_binary-1 [`term_to_binary/1`]: erlang.org/doc/man/erlang.html#term_to_binary-1 [`BINARY_EXT`]: erlang.org/doc/apps/erts/erl_ext_dist.html#BINARY_EXT

Constants

UINT32BE

Public Class Methods

[](term) click to toggle source
# File lib/erlang/etf/binary.rb, line 27
def [](term)
  term = Erlang.from(term) if not term.kind_of?(Erlang::Binary)
  return new(term)
end
erlang_load(buffer) click to toggle source
# File lib/erlang/etf/binary.rb, line 32
def erlang_load(buffer)
  size, = buffer.read(4).unpack(UINT32BE)
  data = buffer.read(size)
  return new(Erlang::Binary[data])
end
new(term) click to toggle source
# File lib/erlang/etf/binary.rb, line 39
def initialize(term)
  raise ArgumentError, "term must be of type Erlang::Binary" if not term.kind_of?(Erlang::Binary)
  @term = term
end

Public Instance Methods

erlang_dump(buffer = ::String.new.force_encoding(BINARY_ENCODING)) click to toggle source
# File lib/erlang/etf/binary.rb, line 44
def erlang_dump(buffer = ::String.new.force_encoding(BINARY_ENCODING))
  buffer << BINARY_EXT
  buffer << [@term.bytesize].pack(UINT32BE)
  buffer << Erlang::ETF::Term.binary_encoding(@term.data)
  return buffer
end