f2f2db4795
* previously the str2bool function did not accept 'TRUE' as a bool
type. This causes the function to now accept TRUE, FALSE strings
as a boolean type in order to be converted to a proper boolean.
* This would also cause Y,N, YES, NO to be accepted as boolean types
as well.
46 lines
1.3 KiB
Ruby
46 lines
1.3 KiB
Ruby
#
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# str2bool.rb
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#
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module Puppet::Parser::Functions
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newfunction(:str2bool, :type => :rvalue, :doc => <<-EOS
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This converts a string to a boolean. This attempt to convert strings that
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contain things like: Y,y, 1, T,t, TRUE,true to 'true' and strings that contain things
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like: 0, F,f, N,n, false, FALSE, no to 'false'.
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EOS
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) do |arguments|
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raise(Puppet::ParseError, "str2bool(): Wrong number of arguments " +
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"given (#{arguments.size} for 1)") if arguments.size < 1
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string = arguments[0]
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# If string is already Boolean, return it
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if !!string == string
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return string
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end
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unless string.is_a?(String)
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raise(Puppet::ParseError, 'str2bool(): Requires either ' +
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'string to work with')
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end
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# We consider all the yes, no, y, n and so on too ...
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result = case string
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#
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# This is how undef looks like in Puppet ...
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# We yield false in this case.
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#
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when /^$/, '' then false # Empty string will be false ...
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when /^(1|t|y|true|yes)$/i then true
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when /^(0|f|n|false|no)$/i then false
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when /^(undef|undefined)$/ then false # This is not likely to happen ...
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else
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raise(Puppet::ParseError, 'str2bool(): Unknown type of boolean given')
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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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