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#
# regexpescape.rb
#
module Puppet::Parser::Functions
newfunction(:regexpescape, :type => :rvalue, :doc => <<-EOS
Regexp escape a string or array of strings.
Requires either a single string or an array as an input.
EOS
) do |arguments| # rubocop:disable Style/ClosingParenthesisIndentation
raise(Puppet::ParseError, 'regexpescape(): Wrong number of arguments ' \
"given (#{arguments.size} for 1)") if arguments.empty?
value = arguments[0]
unless value.is_a?(Array) || value.is_a?(String)
raise(Puppet::ParseError, 'regexpescape(): Requires either ' \
'array or string to work with')
end
result = if value.is_a?(Array)
# Numbers in Puppet are often string-encoded which is troublesome ...
value.collect { |i| i.is_a?(String) ? Regexp.escape(i) : i }
else
Regexp.escape(value)
end
return result
end
end
# vim: set ts=2 sw=2 et :
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