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-rw-r--r--lib/puppet/parser/functions/delete.rb30
1 files changed, 21 insertions, 9 deletions
diff --git a/lib/puppet/parser/functions/delete.rb b/lib/puppet/parser/functions/delete.rb
index ab8f75b..f814344 100644
--- a/lib/puppet/parser/functions/delete.rb
+++ b/lib/puppet/parser/functions/delete.rb
@@ -3,31 +3,43 @@
#
# TODO(Krzysztof Wilczynski): We need to add support for regular expression ...
-# TODO(Krzysztof Wilczynski): Support for strings and hashes too ...
module Puppet::Parser::Functions
newfunction(:delete, :type => :rvalue, :doc => <<-EOS
-Deletes a selected element from an array.
+Deletes all instances of a given element from an array, substring from a
+string, or key from a hash.
*Examples:*
- delete(['a','b','c'], 'b')
+ delete(['a','b','c','b'], 'b')
+ Would return: ['a','c']
-Would return: ['a','c']
+ delete({'a'=>1,'b'=>2,'c'=>3}, 'b')
+ Would return: {'a'=>1,'c'=>3}
+
+ delete('abracadabra', 'bra')
+ Would return: 'acada'
EOS
) do |arguments|
if (arguments.size != 2) then
raise(Puppet::ParseError, "delete(): Wrong number of arguments "+
- "given #{arguments.size} for 2")
+ "given #{arguments.size} for 2.")
end
- a = arguments[0]
+ collection = arguments[0]
item = arguments[1]
- a.delete(item)
- a
-
+ case collection
+ when Array, Hash
+ collection.delete item
+ when String
+ collection.gsub! item, ''
+ else
+ raise(TypeError, "delete(): First argument must be an Array, " +
+ "String, or Hash. Given an argument of class #{collection.class}.")
+ end
+ collection
end
end