upgrade to stdlib 4.6.1

[dsa-puppet.git] / 3rdparty / modules / stdlib / lib / puppet / parser / functions / zip.rb

diff --git a/3rdparty/modules/stdlib/lib/puppet/parser/functions/zip.rb b/3rdparty/modules/stdlib/lib/puppet/parser/functions/zip.rb
new file mode 100644 (file)
index 0000000..3074f28
--- /dev/null
+++ b/3rdparty/modules/stdlib/lib/puppet/parser/functions/zip.rb
@@ -0,0 +1,39 @@
+#
+# zip.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:zip, :type => :rvalue, :doc => <<-EOS
+Takes one element from first array and merges corresponding elements from second array. This generates a sequence of n-element arrays, where n is one more than the count of arguments.
+
+*Example:*
+
+    zip(['1','2','3'],['4','5','6'])
+
+Would result in:
+
+    ["1", "4"], ["2", "5"], ["3", "6"]
+    EOS
+  ) do |arguments|
+
+    # Technically we support three arguments but only first is mandatory ...
+    raise(Puppet::ParseError, "zip(): Wrong number of arguments " +
+      "given (#{arguments.size} for 2)") if arguments.size < 2
+
+    a = arguments[0]
+    b = arguments[1]
+
+    unless a.is_a?(Array) and b.is_a?(Array)
+      raise(Puppet::ParseError, 'zip(): Requires array to work with')
+    end
+
+    flatten = function_str2bool([arguments[2]]) if arguments[2]
+
+    result = a.zip(b)
+    result = flatten ? result.flatten : result
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :