34 lines
892 B
Ruby
34 lines
892 B
Ruby
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#
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# camelcase.rb
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#
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module Puppet::Parser::Functions
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newfunction(:camelcase, :type => :rvalue, :doc => <<-EOS
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Converts the case of a string or all strings in an array to camel case.
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EOS
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) do |arguments|
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raise(Puppet::ParseError, "camelcase(): Wrong number of arguments " +
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"given (#{arguments.size} for 1)") if arguments.size < 1
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value = arguments[0]
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klass = value.class
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unless [Array, String].include?(klass)
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raise(Puppet::ParseError, 'camelcase(): Requires either ' +
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'array or string to work with')
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end
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if value.is_a?(Array)
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# Numbers in Puppet are often string-encoded which is troublesome ...
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result = value.collect { |i| i.is_a?(String) ? i.split('_').map{|e| e.capitalize}.join : i }
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else
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result = value.split('_').map{|e| e.capitalize}.join
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end
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return result
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end
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end
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# vim: set ts=2 sw=2 et :
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