-
Notifications
You must be signed in to change notification settings - Fork 582
/
abs.rb
44 lines (34 loc) · 1.16 KB
/
abs.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
# frozen_string_literal: true
#
# abs.rb
#
module Puppet::Parser::Functions
newfunction(:abs, type: :rvalue, doc: <<-DOC
@summary
**Deprecated:** Returns the absolute value of a number
For example -34.56 becomes 34.56.
Takes a single integer or float value as an argument.
> *Note:*
**Deprected** from Puppet 6.0.0, the built-in
['abs'](https://puppet.com/docs/puppet/6.4/function.html#abs)function will be used instead.
@return The absolute value of the given number if it was an Integer
DOC
) do |arguments|
raise(Puppet::ParseError, "abs(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
value = arguments[0]
# Numbers in Puppet are often string-encoded which is troublesome ...
if value.is_a?(String)
if %r{^-?(?:\d+)(?:\.\d+){1}$}.match?(value)
value = value.to_f
elsif %r{^-?\d+$}.match?(value)
value = value.to_i
else
raise(Puppet::ParseError, 'abs(): Requires float or integer to work with')
end
end
# We have numeric value to handle ...
result = value.abs
return result
end
end
# vim: set ts=2 sw=2 et :