Class: ToBarGraph::StdoutPrint

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

Instance Method Summary collapse

Constructor Details

#initialize(bar_graph, stdout = $stdout) ⇒ StdoutPrint

Returns a new instance of StdoutPrint.



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# File 'lib/stdout_print.rb', line 5

def initialize(bar_graph, stdout=$stdout)
  @bar_graph      = bar_graph
  @stdout         = stdout
end

Instance Method Details

#invoke ⇒ Object 



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# File 'lib/stdout_print.rb', line 10

def invoke      
  if @bar_graph.length == 0
    @stdout.puts "You have no bar graph data"
  elsif !(@bar_graph.buckets.is_a?(Hash))
    @stdout.puts "The data you have provided is not bargraph-able" 
  else
    print_header
    print_body
  end
end