Module: IoInterceptor

Defined in:
lib/dolzenko/io_interceptor.rb

Overview

Safe way to intercept IO stream where just replacing STDOUT doesn’t work: rubyforge.org/tracker/index.php?func=detail&aid=5217&group_id=426&atid=1698

Instance Method Summary collapse

Instance Method Details

#intercept ⇒ Object 



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# File 'lib/dolzenko/io_interceptor.rb', line 6

def intercept
  begin
    @intercept = true
    @intercepted = ""
    yield
  ensure
    @intercept = false
  end
  @intercepted
end

#supress ⇒ Object 



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# File 'lib/dolzenko/io_interceptor.rb', line 17

def supress
  begin
    @supress = true
    yield
  ensure
    @supress = false
  end
end

#write(str) ⇒ Object 



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# File 'lib/dolzenko/io_interceptor.rb', line 26

def write(str)
  if @supress || @intercept
    @intercepted << str.to_s unless @supress 
    str.size
  else
    super
  end
end