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Contents
## \file wordwrap.rb small word-wrapping utility
# copyright (c) 2009 by Vincent Fourmond
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details (in the COPYING file).
require 'ctioga2/utils'
require 'ctioga2/commands/commands'
require 'ctioga2/commands/parsers/command-line'
module CTioga2
module Commands
module Documentation
# A small utility class to do word wrapping.
#
# \todo Maybe this belongs in Utils ?
class WordWrapper
# A regex matching word separation.
attr_accessor :word_sep
# What to replace the separator with
attr_accessor :new_sep
def initialize(ws = /\s+/, ns = " ")
@word_sep = ws
@new_sep = ns
end
# Split strings into an array of string whose length is each
# less than _cols_
def wrap(str, cols)
words = str.split(@word_sep)
lines = [words.shift]
while w = words.shift
if (lines.last.size + w.size + @new_sep.size) <= cols
lines.last.concat("#{@new_sep}#{w}")
else
lines << w
end
end
return lines
end
# Calls #wrap for default values of the parameters
def self.wrap(str, cols)
return WordWrapper.new.wrap(str, cols)
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems