Class: TTY::Table::Operation::Truncation

Inherits:
Object
  • Object
show all
Includes:
Unicode
Defined in:
lib/tty/table/operation/truncation.rb

Overview

A class responsible for shortening text.

Instance Method Summary collapse

Methods included from Unicode

#as_unicode, #clean_utf8, #utf8?

Instance Method Details

#truncate(string, width, trailing = '…') ⇒ String

Shorten given string with traling character.

Parameters:

  • string (String) —

    the string to truncate

  • width (Integer) —

    the maximum width

  • trailing (String) (defaults to: '…') —

    the trailing character

Returns:

  • (String) 


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# File 'lib/tty/table/operation/truncation.rb', line 23

def truncate(string, width, trailing = '…')
  as_unicode do
    chars = string.chars.to_a
    if chars.length < width
      chars.join
    else
      traling_size = trailing.chars.to_a.size
      ( chars[0, width - traling_size].join ) + trailing
    end
  end
end