Class: LoGspot

Inherits:
Object
  • Object
show all
Defined in:
lib/logspot.rb

Constant Summary collapse

LOG_LEVELS = 
%w(DEBUG INFO WARN ERROR FATAL)

Instance Method Summary collapse

Constructor Details

#initialize(file_or_file_name = STDOUT, wrapper: nil, tag_format: '[%{time} %{level}] ', time_format: '%Y/%m/%d %H:%M:%S', tag_block: nil) ⇒ LoGspot

Returns a new instance of LoGspot.



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# File 'lib/logspot.rb', line 6

def initialize(file_or_file_name = STDOUT, wrapper: nil, tag_format: '[%{time} %{level}] ', time_format: '%Y/%m/%d %H:%M:%S', tag_block: nil)
  wrapper = ->(output, data) {
    base = tag_block ? tag_block.(Time.current, level) : tag_format % { time: Time.current.strftime(time_format), level: level }
    if data[:space]
      base = ' ' * base.length
    end
    output.puts(message: "#{base}#{data[:message]}")
  }
  @raw_output = @file = Output::File.new(file_or_file_name)
  @top_output = @output = Output::Wrap.new(wrapper, @file)
  @level = nil
end

Instance Method Details

#finalize ⇒ Object 



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# File 'lib/logspot.rb', line 100

def finalize
  @file.finalize
end

#hash(h, &block) ⇒ Object 



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

def hash(h, &block)
  len = (h.keys.map(&:length).max || 0) + 2
  h.each do |key, value|
    tagged_list("#{key}: ".ljust(len), key, value, &block)
  end
end

#raw(message) ⇒ Object 



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# File 'lib/logspot.rb', line 90

def raw(message)
  raw_output.write(message)
end

#tagged(tag, &block) ⇒ Object 



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# File 'lib/logspot.rb', line 19

def tagged(tag, &block)
  wrap_output(block) do |output, data|
    base = tag
    if space = !!data[:space]
      base = ' ' * base.length
    end
    output.puts(data.merge(message: "#{base}#{data[:message]}", space: space))
  end
end

#tagged_list(tag, *args, &block) ⇒ Object 



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# File 'lib/logspot.rb', line 29

def tagged_list(tag, *args, &block)
  first = true
  wrap_output(block, *args) do |output, data|
    message = data[:message]
    base = tag
    if data[:space] || !first
      base = ' ' * base.length
    end
    if first
      output.puts(data.merge(message: "#{base}#{message}", space: false))
      first = false
    else
      output.puts(data.merge(message: "#{base}#{message}", space: true))
    end
  end
end

#top(&block) ⇒ Object 



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

def top(&block)
  previous_output, @output = output, top_output
  block.call
  @output = previous_output
end

#untagged(&block) ⇒ Object 



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# File 'lib/logspot.rb', line 78

def untagged(&block)
  previous_output, @output = output, output.inner_output
  block.call
  @output = previous_output
end

#value(level, v, options = {}) ⇒ Object 



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# File 'lib/logspot.rb', line 53

def value(level, v, options = {})
  if v.is_a?(Hash)
    hash(v) do |k, v|
      value(level, v, options)
    end
  elsif v.is_a?(Array)
    h = Hash[v.map.with_index do |v, i|
               [i.to_s, v]
             end]
    value(level, h, options)
  else
    if p = options[:split_proc]
      p.call(v.to_s).each do |line|
        send(level, line)
      end
    elsif max = options[:max_columns]
      v.to_s.split('').each_slice(max).map { |x| x.join('') }.each do |line|
        send(level, line)
      end
    else
      send(level, v)
    end
  end
end