Class: Tins::TempIO::Enum

Inherits:
Enumerator
  • Object
show all
Includes:
Tins::TempIO
Defined in:
lib/tins/temp_io_enum.rb

Instance Method Summary collapse

Methods included from Tins::TempIO

#temp_io

Constructor Details

#initialize(chunk_size: 2 ** 16, filename: nil, &content_proc) ⇒ Enum

Returns a new instance of Enum.



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# File 'lib/tins/temp_io_enum.rb', line 8

def initialize(chunk_size: 2 ** 16, filename: nil, &content_proc)
  content_proc or raise ArgumentError, 'need a content proc as block argument'
  super() do |y|
    temp_io(name: 'some-stream', content: content_proc) do |file|
      until file.eof?
        y.yield file.read(chunk_size)
      end
    end
  end.tap do |enum|
    if filename
      enum.define_singleton_method(:filename) do
        filename
      end
    end
  end
end