Module: Rodish::Plugins::Wrap_

Included in:
Rodish::Plugins::WrappedOptionsSeparator::OptionParserMethods
Defined in:
lib/rodish/plugins/_wrap.rb

Instance Method Summary collapse

Instance Method Details

#wrap(prefix, values, separator: " ", limit: 80) ⇒ Object

Return an array of strings, each no longer than limit, showing the prefix and all values.



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# File 'lib/rodish/plugins/_wrap.rb', line 13

public def wrap(prefix, values, separator: " ", limit: 80)
  line = [prefix]
  lines = [line]
  prefix_length = length = prefix.length
  sep_length = separator.length
  indent = " " * prefix_length

  values.each do |value|
    value = value.to_s
    value_length = value.length
    new_length = sep_length + length + value_length
    if new_length > limit
      line = [indent, separator, value]
      lines << line
      length = prefix_length
    else
      line << separator << value
    end
    length += sep_length + value_length
  end

  lines.map{|l| l.join}
end