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#!/usr/bin/env ruby
require "rubygems"
require "rbench"
require "pathname"
class String
##
# @return <String> The string converted to camel case.
#
# @example
# "foo_bar".camel_case #=> "FooBar"
def camel_case
return self if self !~ /_/ && self =~ /[A-Z]+.*/
split('_').map{|e| e.capitalize}.join
end
# By default, camelize converts strings to UpperCamelCase.
#
# camelize will also convert '/' to '::' which is useful for converting paths to namespaces
#
# @example
# "active_record".camelize #=> "ActiveRecord"
# "active_record/errors".camelize #=> "ActiveRecord::Errors"
#
def camelize
self.gsub(/\/(.?)/) { "::" + $1.upcase }.gsub(/(^|_)(.)/) { $2.upcase }
end
end # class String
# It's not really fair to compare the two but
# Extlib has no direct equivalent to String#camel_case.
RBench.run(10_000) do
report "String#camelize" do
"underscore_string".camelize
"a_bit_longer_underscore_string".camelize
end
report "String#camel_case" do
"underscore_string".camel_case
"a_bit_longer_underscore_string".camel_case
end
end
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