Class: Kibo::Helpers::Info

Inherits:
Array
  • Object
show all
Defined in:
lib/kibo/helpers/info.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Array

#<, #<=, #>, #>=, diff

Class Method Details

.build {|info| ... } ⇒ Object

Yields:

  • (info) 


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# File 'lib/kibo/helpers/info.rb', line 8

def self.build(&block)
  info = new
  yield info
  info
end

.print(out = STDOUT, &block) ⇒ Object 



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# File 'lib/kibo/helpers/info.rb', line 4

def self.print(out = STDOUT, &block)
  out.puts build(&block).to_s
end

Instance Method Details

#head(msg) ⇒ Object 



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# File 'lib/kibo/helpers/info.rb', line 14

def head(msg)
  push [ :head, msg ]
end

#line(msg, value) ⇒ Object 



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# File 'lib/kibo/helpers/info.rb', line 18

def line(msg, value)
  push [ :line, msg, value ]
end

#to_s ⇒ Object 



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# File 'lib/kibo/helpers/info.rb', line 22

def to_s
  key_length = map do |kind, msg, value| 
    kind == :line ? msg.length : 0
  end.max

  key_length = 60 if key_length > 60
  
  key_format = "%#{key_length + 4}s"
  
  map do |kind, msg, value|
    case kind
    when :head
      "== #{msg} " + "=" * (100 - msg.length)
    when :line
      case value
      when [], nil then value = "<none>"
      when Array   then value = value.map(&:inspect).join(", ")
      end

      if msg == ""
        "#{key_format % msg}  #{value}"
      elsif msg.length > key_length
        msg = msg[0..20] + "..." + msg[(25 - key_length) ..-1]
        "#{key_format % msg}: #{value}"
      else
        "#{key_format % msg}: #{value}"
      end
    end
  end.join("\n")
end