Class: Redirect

Inherits:

IRB::StdioInputMethod

• Object
• IRB::StdioInputMethod
• Redirect

show all

Defined in:

lib/fox16/irb.rb

Instance Method Summary (collapse)

• - (Object) close
• - (Object) gets
• - (Redirect) initialize(dest) constructor

  A new instance of Redirect.

• - (Object) redir

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# File 'lib/fox16/irb.rb', line 41

def initialize(dest)
	super()
	@dest = dest
end

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# File 'lib/fox16/irb.rb', line 56

def close
	if @thread
		$defout = @old_out.dup
		$stderr = @old_err.dup
		$stdin = @old_in.dup
		@output[1].close
		@thread.join
	end
end

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# File 'lib/fox16/irb.rb', line 46

def gets
	close
	@dest.write(prompt)
	str = @dest.gets(@prompt)
	if /^exit/ =~ str
		exit
	end
	@line[@line_no += 1] = str
end

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# File 'lib/fox16/irb.rb', line 66

def redir
	@output = IO.pipe
	@old_out = $defout.dup
	@old_err = $stderr.dup
	@old_in = $stdin.dup
	$stdin = @dest.input[0]
	$defout = $stderr = @output[1]
	@output[1].fcntl(Fcntl::F_SETFL, File::NONBLOCK)
	@thread = Thread.new {
		while not @output[0].eof?
			select([@output[0]])
			@dest.write(@output[0].read)
		end
		@output[0].close
	}
end