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 irb/input-method.rb, line 138
def initialize(file)
  super
  @io = file.is_a?(IO) ? file : IRB::MagicFile.open(file)
  @external_encoding = @io.external_encoding
end

open(file, &block) click to toggle source

# File irb/input-method.rb, line 127
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 irb/input-method.rb, line 172
def close
  @io.close
end

encoding() click to toggle source

The external encoding for standard input.

# File irb/input-method.rb, line 163
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 irb/input-method.rb, line 150
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 irb/input-method.rb, line 157
def gets
  print @prompt
  @io.gets
end

inspect() click to toggle source

For debug message

# File irb/input-method.rb, line 168
def inspect
  'FileInputMethod'
end