Puppet Function: camelcase

Defined in:
puppet/modules/stdlib/lib/puppet/parser/functions/camelcase.rb
Function type:
Ruby 3.x API

Overview

camelcase() ⇒ Any

Converts the case of a string or all strings in an array to camel case.

Returns:

  • (Any) 


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# File 'puppet/modules/stdlib/lib/puppet/parser/functions/camelcase.rb', line 6

newfunction(:camelcase, :type => :rvalue, :doc => <<-EOS
Converts the case of a string or all strings in an array to camel case.
  EOS
) do |arguments|

  raise(Puppet::ParseError, "camelcase(): Wrong number of arguments " +
    "given (#{arguments.size} for 1)") if arguments.size < 1

  value = arguments[0]
  klass = value.class

  unless [Array, String].include?(klass)
    raise(Puppet::ParseError, 'camelcase(): Requires either ' +
      'array or string to work with')
  end

  if value.is_a?(Array)
    # Numbers in Puppet are often string-encoded which is troublesome ...
    result = value.collect { |i| i.is_a?(String) ? i.split('_').map{|e| e.capitalize}.join : i }
  else
    result = value.split('_').map{|e| e.capitalize}.join
  end

  return result
end