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Ruby On Rails in UA/Code Review, теоретические вопросы/Сборник рецептов для String/Разбивка текста на строки с фиксированым размером

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2008-06-10 05:21:49	Ответить
Ruslan Voloshin Адрес: odessa Сообщений: 1293 Регистр: 2007-03-13 его блог 40 сообщ.	Разбивка текста на строки с фиксированым размером
	def wrap(s, width=78) s.gsub(/(.{1,#{width}})(\s+\|\Z)/, "\\1\n") end wrap("This text is too short to be wrapped.") # => "This text is too short to be wrapped.\n" puts wrap("This text is not too short to be wrapped.", 20) # This text is not too # short to be wrapped. puts wrap("These ten-character columns are stifling my creativity!", 10) # These # ten-character # columns # are # stifling # my # creativity! #--- poetry = %q{It is an ancient Mariner, And he stoppeth one of three. "By thy long beard and glittering eye, Now wherefore stopp'st thou me?} puts wrap(poetry, 20) # It is an ancient # Mariner, # And he stoppeth one # of three. # "By thy long beard # and glittering eye, # Now wherefore # stopp'st thou me? #--- prose = %q{I find myself alone these days, more often than not, watching the rain run down nearby windows. How long has it been raining? The newspapers now print the total, but no one reads them anymore.} puts wrap(prose, 60) # I find myself alone these days, more often than not, # watching the rain run down nearby windows. How long has it # been # raining? The newspapers now print the total, but no one # reads them # anymore. #--- def reformat_wrapped(s, width=78) s.gsub(/\s+/, " ").gsub(/(.{1,#{width}})( \|\Z)/, "\\1\n") end #--- def reformat_wrapped(s, width=78) lines = [] line = "" s.split(/\s+/).each do \|word\| if line.size + word.size >= width lines << line line = word elsif line.empty? line = word else line << " " << word end end lines << line if line return lines.join "\n" end puts reformat_wrapped(prose, 60) # I find myself alone these days, more often than not, # watching the rain run down nearby windows. How long has it # been raining? The newspapers now print the total, but no one # reads them anymore. #--- ------------ Занимаюсь вебом и продвижением сайтов.
	word wrap

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