Class: String

Inherits:
Object show all
Defined in:
lib/filigree/string.rb

Overview

Classes and Modules #

Instance Method Summary collapse

Instance Method Details

#segment(indent, max_length = 80) ⇒ Object

Chop up the string into multiple lines so that no line is longer than the specified number of characters.

Parameters:

  • indent (Fixnum) —

    Indentation to put before each line; it is assumed that this indentation is already present for the first line

  • max_length (Fixnum) (defaults to: 80) —

    Maximum length per line



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# File 'lib/filigree/string.rb', line 25

def segment(indent, max_length = 80)
  lines = Array.new
  
  words = self.split(/\s/)
  line  = words.shift
  
  line_length = indent + line.length
  
  words.each do |word|
    new_length = line_length + 1 + word.length
    
    if new_length < max_length
      line       += " #{word}"
      line_length = new_length
      
    else
      lines << line
      
      line        = word
      line_length = indent + word.length
    end
  end
  
  lines << line unless line.empty?
  
  lines.join("\n" + (' ' * indent))
end