Class: TableFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/table-formatter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source: nil, labels: nil, border: true, wrap: true, divider: nil, markdown: false, innermarkdown: false, debug: false) ⇒ TableFormatter

Returns a new instance of TableFormatter.



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# File 'lib/table-formatter.rb', line 13

def initialize(source: nil, labels: nil, border: true, wrap: true, 
           divider: nil, markdown: false, innermarkdown: false, debug: false)

  super()
  @source = source.map {|x| x.map(&:to_s)} if source
  @labels = labels
  @border = border
  @wrap = wrap
  @divider = divider
  @maxwidth = 60
  @markdown = markdown
  @innermarkdown = innermarkdown
  @debug = debug
  
end

Instance Attribute Details

#border ⇒ Object

Returns the value of attribute border.



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# File 'lib/table-formatter.rb', line 11

def border
  @border
end

#col_justify ⇒ Object

Returns the value of attribute col_justify.



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# File 'lib/table-formatter.rb', line 11

def col_justify
  @col_justify
end

#divider ⇒ Object

Returns the value of attribute divider.



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# File 'lib/table-formatter.rb', line 11

def divider
  @divider
end

#labels ⇒ Object

Returns the value of attribute labels.



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# File 'lib/table-formatter.rb', line 11

def labels
  @labels
end

#markdown ⇒ Object

Returns the value of attribute markdown.



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# File 'lib/table-formatter.rb', line 11

def markdown
  @markdown
end

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/table-formatter.rb', line 11

def source
  @source
end

Instance Method Details

#display(width = nil, widths: nil, markdown: @markdown) ⇒ Object Also known as: to_s 



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# File 'lib/table-formatter.rb', line 51

def display(width=nil, widths: nil, markdown: @markdown)
  
  @align_cols = []
  @labels ||= [''] * @source.first.length
  
  if @labels then

    labels = []

    @labels.each do |raw_label|
      col_just, label = just(raw_label)
      @align_cols << col_just
      labels << label
    end

  end

  @col_justify = @align_cols.map do |col|
    {ljust: :l, rjust: :r, center: :c}[col]
  end

  return display_markdown(@source, labels) if markdown    

  #width ||= @maxwidth
  @width = width
  @maxwidth = width if width
  a = @source.map {|x| x.map{|y| y.length > 0 ? y : ' ' }}.to_a

  column_widths = widths ? widths : fetch_column_widths(a)

  column_widths[-1] -= column_widths.inject(&:+) - width if width

  records = format_rows(a, column_widths)

  div =  (border == true ? '-' : '') * records[0].length + "\n"
  label_buffer = ''
  
  label_buffer = format_cols(labels, column_widths) + "\n" + div if labels

  div + label_buffer + records.join("\n") + "\n" + div

end

#justify(s, ajust) ⇒ Object 



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# File 'lib/table-formatter.rb', line 29

def justify(s, ajust)
  
  a = s.split('|')
  
  a2 = ajust.map.with_index do |x,i|
    
    s = a[i+1]

    case x
    when :r
      '-' * (s.length - 1) + ':'
    when :l
      ':' + '-' * (s.length - 1)
    when
      ':' + '-' * (s.length - 2) + ':'
    end
  end

  "|%s|\n" % a2.join('|')    

end