Squashed 'puppet/modules/stdlib/' content from commit 7112363

git-subtree-dir: puppet/modules/stdlib
git-subtree-split: 71123634744b9fe2ec7d6a3e38e9789fd84801e3

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/puppet/parser/functions/downcase.rb b/lib/puppet/parser/functions/downcase.rb
new file mode 100644
index 00000000..040b84f5
--- /dev/null
+++ b/lib/puppet/parser/functions/downcase.rb
@@ -0,0 +1,32 @@
+#
+#  downcase.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:downcase, :type => :rvalue, :doc => <<-EOS
+Converts the case of a string or all strings in an array to lower case.
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "downcase(): Wrong number of arguments " +
+      "given (#{arguments.size} for 1)") if arguments.size < 1
+
+    value = arguments[0]
+
+    unless value.is_a?(Array) || value.is_a?(String)
+      raise(Puppet::ParseError, 'downcase(): Requires either ' +
+        'array or string to work with')
+    end
+
+    if value.is_a?(Array)
+      # Numbers in Puppet are often string-encoded which is troublesome ...
+      result = value.collect { |i| i.is_a?(String) ? i.downcase : i }
+    else
+      result = value.downcase
+    end
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :