Class: CommandUtils::LineBuffer
- Inherits:
-
Object
- Object
- CommandUtils::LineBuffer
- Defined in:
- lib/command_utils/line_buffer.rb
Overview
Line buffers writes, and calls method at each line
Instance Method Summary collapse
-
#flush ⇒ Object
Send all buffer to method.
-
#initialize(method, prefix = '') ⇒ LineBuffer
constructor
Receive a method to call passing each line received.
-
#write(str) ⇒ Object
Receive a new chunk, and if a line is formed, call method.
Constructor Details
#initialize(method, prefix = '') ⇒ LineBuffer
Receive a method to call passing each line received. Optionally, specify a prefix.
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# File 'lib/command_utils/line_buffer.rb', line 6 def initialize method, prefix='' @method = method @prefix = prefix @buffer = nil end |
Instance Method Details
#flush ⇒ Object
Send all buffer to method
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# File 'lib/command_utils/line_buffer.rb', line 29 def flush return unless @buffer @method.call(@prefix + @buffer) @buffer = nil end |
#write(str) ⇒ Object
Receive a new chunk, and if a line is formed, call method.
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# File 'lib/command_utils/line_buffer.rb', line 13 def write str @buffer ||= '' @buffer += str return unless @buffer.include? "\n" lines = @buffer.split("\n") @buffer = if @buffer.match("\n$") nil else lines.pop end lines.each do |line| @method.call(@prefix + line) end end |