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-rw-r--r--lib/puppet/parser/functions/prefix.rb23
1 files changed, 15 insertions, 8 deletions
diff --git a/lib/puppet/parser/functions/prefix.rb b/lib/puppet/parser/functions/prefix.rb
index d02286a..ac1c58a 100644
--- a/lib/puppet/parser/functions/prefix.rb
+++ b/lib/puppet/parser/functions/prefix.rb
@@ -4,7 +4,7 @@
module Puppet::Parser::Functions
newfunction(:prefix, :type => :rvalue, :doc => <<-EOS
-This function applies a prefix to all elements in an array.
+This function applies a prefix to all elements in an array or a hash.
*Examples:*
@@ -18,10 +18,10 @@ Will return: ['pa','pb','pc']
raise(Puppet::ParseError, "prefix(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
- array = arguments[0]
+ enumerable = arguments[0]
- unless array.is_a?(Array)
- raise Puppet::ParseError, "prefix(): expected first argument to be an Array, got #{array.inspect}"
+ unless enumerable.is_a?(Array) or enumerable.is_a?(Hash)
+ raise Puppet::ParseError, "prefix(): expected first argument to be an Array or a Hash, got #{enumerable.inspect}"
end
prefix = arguments[1] if arguments[1]
@@ -32,10 +32,17 @@ Will return: ['pa','pb','pc']
end
end
- # Turn everything into string same as join would do ...
- result = array.collect do |i|
- i = i.to_s
- prefix ? prefix + i : i
+ if enumerable.is_a?(Array)
+ # Turn everything into string same as join would do ...
+ result = enumerable.collect do |i|
+ i = i.to_s
+ prefix ? prefix + i : i
+ end
+ else
+ result = Hash[enumerable.map do |k,v|
+ k = k.to_s
+ [ prefix ? prefix + k : k, v ]
+ end]
end
return result