Class: VisualWidth::Formatter::Align

Inherits:
Object
  • Object
show all
Includes:
VisualWidth
Defined in:
lib/visual_width/formatter.rb

Constant Summary

Constants included from VisualWidth

Ambiguous, EAST_ASIAN, VisualWidth::Fullwide, VERSION, Wide

Instance Method Summary collapse

Methods included from VisualWidth

count, each_width, measure, truncate

Constructor Details

#initialize(east_asian: VisualWidth::EAST_ASIAN) ⇒ Align

Returns a new instance of Align.



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# File 'lib/visual_width/formatter.rb', line 7

def initialize(east_asian: VisualWidth::EAST_ASIAN)
  @east_asian = east_asian
end

Instance Method Details

#center(cell, width) ⇒ Object 



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# File 'lib/visual_width/formatter.rb', line 23

def center(cell, width)
  align(cell, width) do |line, fill|
    half = fill / 2.0
    (' ' * half.floor) + line + (' ' * half.ceil)
  end
end

#left(cell, width) ⇒ Object 



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# File 'lib/visual_width/formatter.rb', line 11

def left(cell, width)
  align(cell, width) do |line, fill|
    line + (' ' * fill)
  end
end

#right(cell, width) ⇒ Object 



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# File 'lib/visual_width/formatter.rb', line 17

def right(cell, width)
  align(cell, width) do |line, fill|
    (' ' * fill) + line
  end
end