lib/puppet/parser/ast/leaf.rb in puppet-0.13.6 vs lib/puppet/parser/ast/leaf.rb in puppet-0.16.0

@@ -67,9 +67,21 @@
     class Type < AST::Leaf; end
 
     # Lower-case words.
     class Name < AST::Leaf; end
 
+    # Host names, either fully qualified or just the short name
+    class HostName < AST::Leaf
+        def initialize(hash)
+            super
+
+            unless @value =~ %r{^[0-9a-zA-Z\-]+(\.[0-9a-zA-Z\-]+)*$}
+                raise Puppet::DevError,
+                    "'%s' is not a valid hostname" % @value
+            end
+        end
+    end
+
     # A simple variable.  This object is only used during interpolation;
     # the VarDef class is used for assignment.
     class Variable < Name
         # Looks up the value of the object in the scope tree (does
         # not include syntactical constructs, like '$' and '{}').