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1 #
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2 # camelcase.rb
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3 # Please note: This function is an implementation of a Ruby class and as such may not be entirely UTF8 compatible. To ensure compatibility please use this function with Ruby 2.4.0 or greater - https://bugs.ruby-lang.org/issues/10085.
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4 #
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5 module Puppet::Parser::Functions
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6 newfunction(:camelcase, :type => :rvalue, :doc => <<-DOC
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7 Converts the case of a string or all strings in an array to camel case.
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8 DOC
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9 ) do |arguments|
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10
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11 raise(Puppet::ParseError, "camelcase(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
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12
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13 value = arguments[0]
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14 klass = value.class
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15
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16 unless [Array, String].include?(klass)
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17 raise(Puppet::ParseError, 'camelcase(): Requires either array or string to work with')
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18 end
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19
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20 result = if value.is_a?(Array)
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21 # Numbers in Puppet are often string-encoded which is troublesome ...
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22 value.map { |i| i.is_a?(String) ? i.split('_').map { |e| e.capitalize }.join : i }
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23 else
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24 value.split('_').map { |e| e.capitalize }.join
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25 end
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26
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27 return result
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28 end
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29 end
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30
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31 # vim: set ts=2 sw=2 et :
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