Class: Async::IO::Protocol::Line

Inherits:
Generic
  • Object
show all
Defined in:
lib/async/io/protocol/line.rb

Constant Summary

Constants inherited from Generic

Generic::WRAPPERS

Instance Attribute Summary collapse

Attributes inherited from Generic

#timeout

Instance Method Summary collapse

Methods inherited from Generic

#<<, #connected?, #dup, #nonblock, #nonblock=, #nonblock?, #read, #sysread, #syswrite, #wait, wrap, wrap_blocking_method, wraps, #write

Constructor Details

#initialize(stream, eol = $/) ⇒ Line

Returns a new instance of Line.



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# File 'lib/async/io/protocol/line.rb', line 12

def initialize(stream, eol = $/)
	super(stream)
	
	@eol = eol
end

Instance Attribute Details

#eol ⇒ Object (readonly)

Returns the value of attribute eol.



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# File 'lib/async/io/protocol/line.rb', line 18

def eol
  @eol
end

Instance Method Details

#each_line ⇒ Object 



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# File 'lib/async/io/protocol/line.rb', line 47

def each_line
	return to_enum(:each_line) unless block_given?
	
	while line = @stream.read_until(@eol)
		yield line
	end
end

#peek_line ⇒ Object

Raises:

  • (EOFError) 


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# File 'lib/async/io/protocol/line.rb', line 37

def peek_line
	@stream.peek do |read_buffer|
		if index = read_buffer.index(@eol)
			return read_buffer.slice(0, index)
		end
	end
	
	raise EOFError
end

#read_line ⇒ Object 



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# File 'lib/async/io/protocol/line.rb', line 33

def read_line
	@stream.read_until(@eol) or @stream.eof!
end

#read_lines ⇒ Object 



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# File 'lib/async/io/protocol/line.rb', line 55

def read_lines
	@stream.read.split(@eol)
end

#write_lines(*args) ⇒ Object 



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# File 'lib/async/io/protocol/line.rb', line 20

def write_lines(*args)
	if args.empty?
		@stream.write(@eol)
	else
		args.each do |arg|
			@stream.write(arg)
			@stream.write(@eol)
		end
	end
	
	@stream.flush
end