зеркало из https://github.com/github/ruby.git
31 строка
556 B
Ruby
31 строка
556 B
Ruby
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require 'rubygems'
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##
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# A collection of text-wrangling methods
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module Gem::Text
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##
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# Wraps +text+ to +wrap+ characters and optionally indents by +indent+
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# characters
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def format_text(text, wrap, indent=0)
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result = []
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work = text.dup
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while work.length > wrap do
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if work =~ /^(.{0,#{wrap}})[ \n]/ then
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result << $1
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work.slice!(0, $&.length)
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else
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result << work.slice!(0, wrap)
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end
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end
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result << work if work.length.nonzero?
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result.join("\n").gsub(/^/, " " * indent)
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end
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end
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