37 lines
1.1 KiB
Ruby
37 lines
1.1 KiB
Ruby
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class String
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def titlecase
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small_words = %w(a an and as at but by en for if in of on or the to v v. via vs vs.)
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x = split(" ").map do |word|
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# note: word could contain non-word characters!
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# downcase all small_words, capitalize the rest
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small_words.include?(word.gsub(/\W/, "").downcase) ? word.downcase! : word.smart_capitalize!
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word
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end
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# capitalize first and last words
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x.first.to_s.smart_capitalize!
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x.last.to_s.smart_capitalize!
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# small words after colons are capitalized
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x.join(" ").gsub(/:\s?(\W*#{small_words.join("|")}\W*)\s/) { ": #{$1.smart_capitalize} " }
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end
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def titlecase!
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replace(titlecase)
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end
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def smart_capitalize
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# ignore any leading crazy characters and capitalize the first real character
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if self =~ /^['"\(\[']*([a-z])/
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i = index($1)
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x = self[i,self.length]
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# word with capitals and periods mid-word are left alone
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self[i,1] = self[i,1].upcase unless x =~ /[A-Z]/ or x =~ /\.\w+/
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end
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self
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end
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def smart_capitalize!
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replace(smart_capitalize)
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end
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end
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