Module: Narou::LoggerModule

Included in:
Logger, LoggerError, StreamingLogger
Defined in:
lib/logger.rb

Instance Method Summary collapse

Instance Method Details

#capture(ansicolor_strip = true, &block) ⇒ Object

標準出力($stdout)のバッファリング＋取得

キャプチャー用途なので標準エラーはキャプチャーしない

ansicolor_strip

エスケープシーケンスを除去するか



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# File 'lib/logger.rb', line 60

def capture(ansicolor_strip = true, &block)
  raise "#capture block given" unless block
  temp_stream = $stdout
  $stdout = self.class.new
  $stdout.silence do
    block.call
  end
  buffer = $stdout.string
  $stdout = temp_stream
  ansicolor_strip ? strip_color(buffer) : buffer
end

#initialize ⇒ Object 



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# File 'lib/logger.rb', line 21

def initialize
  super
  @is_silent = false
end

#save(path) ⇒ Object 



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# File 'lib/logger.rb', line 80

def save(path)
  File.write(path, strip_color(string))
end

#silence(&block) ⇒ Object 



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# File 'lib/logger.rb', line 46

def silence(&block)
  raise "need a block" unless block
  tmp = self.silent
  self.silent = true
  block.call
  self.silent = tmp
end

#silent ⇒ Object 



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# File 'lib/logger.rb', line 30

def silent
  if block_given?
    if /^(.+?):(\d+)/ =~ caller.first
      file = $1
      line = $2.to_i
      error_msg = "Did you mean: silence\n"
      str = File.read(file).split("\n")[line-1]
      error_msg += "in #{file}:#{line}\n"
      error_msg += str + "\n"
      error_msg +=  " " * str.index("silent") + "~~~~~~"
      raise error_msg
    end
  end
  @is_silent
end

#silent=(enable) ⇒ Object 



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# File 'lib/logger.rb', line 26

def silent=(enable)
  @is_silent = !!enable
end

#strip_color(str) ⇒ Object 



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# File 'lib/logger.rb', line 72

def strip_color(str)
  if $disable_color
    str
  else
    str.gsub(/(?:\e\[\d*[a-zA-Z])+/, "")
  end
end

#write_console(str, target) ⇒ Object 



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# File 'lib/logger.rb', line 84

def write_console(str, target)
  unless @is_silent
    if $disable_color
      target.write(str)
    else
      write_color(str, target)
    end
  end
end