class IRB::FileInputMethod

Use a File for IO with irb, see InputMethod

Attributes

file_name[R]

The file name of this input method, usually given during initialization.

Public Class Methods

new(file) click to toggle source

Creates a new input method object

Calls superclass method IRB::InputMethod::new
# File lib/irb/input-method.rb, line 140
def initialize(file)
  super
  @io = IRB::MagicFile.open(file)
  @external_encoding = @io.external_encoding
end
open(file, &block) click to toggle source
# File lib/irb/input-method.rb, line 129
def open(file, &block)
  begin
    io = new(file)
    block.call(io)
  ensure
    io&.close
  end
end

Public Instance Methods

close() click to toggle source
# File lib/irb/input-method.rb, line 174
def close
  @io.close
end
encoding() click to toggle source

The external encoding for standard input.

# File lib/irb/input-method.rb, line 165
def encoding
  @external_encoding
end
eof?() click to toggle source

Whether the end of this input method has been reached, returns true if there is no more data to read.

See IO#eof? for more information.

# File lib/irb/input-method.rb, line 152
def eof?
  @io.closed? || @io.eof?
end
gets() click to toggle source

Reads the next line from this input method.

See IO#gets for more information.

# File lib/irb/input-method.rb, line 159
def gets
  print @prompt
  @io.gets
end
inspect() click to toggle source

For debug message

# File lib/irb/input-method.rb, line 170
def inspect
  'FileInputMethod'
end