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xml_mini.rb:_dasherize() replacement 20 to 25% faster

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Signed-off-by: José Valim <jose.valim@gmail.com>
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Mike Howard 2011-05-08 09:08:56 -06:00 committed by José Valim
parent 851a4eab3c
commit 372d72445b
1 changed files with 3 additions and 4 deletions
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7
activesupport/lib/active_support/xml_mini.rb
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@ -139,10 +139,9 @@ module ActiveSupport
protected
def _dasherize(key)
left = key.strip.rpartition(/^_*/)
right = left.pop.partition(/_*$/)
right.first.tr!('_ ', '--')
left.concat(right).join
# $2 must be a non-greedy regex for this to work
left, middle, right = /\A(_*)(.*?)(_*)\Z/.match(key.strip)[1,3]
"#{left}#{middle.tr('_', '-')}#{right}"
end
# TODO: Add support for other encodings