Class: Flucti::Utilities::Table

Inherits:
Object
  • Object
show all
Defined in:
lib/flucti/utilities/table.rb

Instance Method Summary collapse

Constructor Details

#initialize(*headings) ⇒ Table

Returns a new instance of Table.



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# File 'lib/flucti/utilities/table.rb', line 4

def initialize(*headings)
  @headings, @rows = headings, []
end

Instance Method Details

#<<(row) ⇒ Object 



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# File 'lib/flucti/utilities/table.rb', line 8

def <<(row)
  @rows << row
  self
end

#to_s ⇒ Object 



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# File 'lib/flucti/utilities/table.rb', line 13

def to_s
  widths = (0...@headings.size).map { |col| ([@headings] + @rows).map { |row| row[col].to_s.length }.max }
  lines = []
  lines << @headings.zip(widths).map { |heading, width| " %-*s " % [width, heading] }.join('|')
  lines << widths.map { |width| '-' * (width + 2) }.join('+')
  @rows.each do |row|
    lines << row.zip(widths).map { |cell, width| " %#{cell.to_s =~ /^\d+\b/ ? '' : '-'}*s " % [width, cell] }.join('|')
  end
  lines * "\n"
end