blob: c33f65aebb17f4272443e9562c72d144bd773d2a (
plain)
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
|
#
# delete_at.rb
#
module Puppet::Parser::Functions
newfunction(:delete_at, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
raise(Puppet::ParseError, "delete_at(): Wrong number of arguments " +
"given (#{arguments.size} for 2)") if arguments.size < 2
array = arguments[0]
if not array.is_a?(Array)
raise(Puppet::ParseError, 'delete_at(): Requires an array to work with')
end
index = arguments[1]
if not index.match(/^\d+$/)
raise(Puppet::ParseError, 'delete_at(): You must provide ' +
'positive numeric index')
end
result = array.clone
# In Puppet numbers are often string-encoded ...
index = index.to_i
if index > result.size - 1 # First element is at index 0 is it not?
raise(Puppet::ParseError, 'delete_at(): Given index ' +
'exceeds array size')
end
result.delete_at(index) # We ignore the element that got deleted ...
return result
end
end
# vim: set ts=2 sw=2 et :
|