1 files changed, 67 insertions, 0 deletions
diff --git a/lib/chef/resource_definition.rb b/lib/chef/resource_definition.rb
new file mode 100644
index 0000000000..a0160c5885
--- /dev/null
+++ b/lib/chef/resource_definition.rb
@@ -0,0 +1,67 @@
+#
+# Author:: Adam Jacob (<adam@opscode.com>)
+# Copyright:: Copyright (c) 2008 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require 'chef/mixin/from_file'
+require 'chef/mixin/params_validate'
+
+class Chef
+  class ResourceDefinition
+    
+    include Chef::Mixin::FromFile
+    include Chef::Mixin::ParamsValidate
+    
+    attr_accessor :name, :params, :recipe, :node
+    
+    def initialize(node=nil)
+      @name = nil
+      @params = Hash.new
+      @recipe = nil
+      @node = node
+    end
+    
+    def define(resource_name, prototype_params=nil, &block)
+      unless resource_name.kind_of?(Symbol)
+        raise ArgumentError, "You must use a symbol when defining a new resource!"
+      end
+      @name = resource_name
+      if prototype_params
+        unless prototype_params.kind_of?(Hash)
+          raise ArgumentError, "You must pass a hash as the prototype parameters for a definition."
+        end
+        @params = prototype_params
+      end
+      if Kernel.block_given?
+        @recipe = block
+      else
+        raise ArgumentError, "You must pass a block to a definition."
+      end
+      true
+    end
+    
+    # When we do the resource definition, we're really just setting new values for
+    # the paramaters we prototyped at the top.  This method missing is as simple as
+    # it gets.
+    def method_missing(symbol, *args)
+      @params[symbol] = args.length == 1 ? args[0] : args
+    end
+    
+    def to_s
+      "#{name.to_s}"
+    end
+  end
+end