1 files changed, 27 insertions, 0 deletions
diff --git a/lib/puppet/string/action_builder.rb b/lib/puppet/string/action_builder.rb
new file mode 100644
index 000000000..b3db51104
--- /dev/null
+++ b/lib/puppet/string/action_builder.rb
@@ -0,0 +1,27 @@
+require 'puppet/string'
+require 'puppet/string/action'
+
+class Puppet::String::ActionBuilder
+  attr_reader :action
+
+  def self.build(string, name, &block)
+    name = name.to_s
+    raise "Action '#{name}' must specify a block" unless block
+    builder = new(string, name, &block)
+    builder.action
+  end
+
+  def initialize(string, name, &block)
+    @string = string
+    @action = Puppet::String::Action.new(string, name)
+    instance_eval(&block)
+  end
+
+  # Ideally the method we're defining here would be added to the action, and a
+  # method on the string would defer to it, but we can't get scope correct,
+  # so we stick with this. --daniel 2011-03-24
+  def invoke(&block)
+    raise "Invoke called on an ActionBuilder with no corresponding Action" unless @action
+    @action.invoke = block
+  end
+end