#
# This file is part of Config-Model-Itself
#
# This software is Copyright (c) 2007-2017 by Dominique Dumont.
#
# This is free software, licensed under:
#
#   The GNU Lesser General Public License, Version 2.1, February 1999
#

[
  [
   name => "Itself::WarpValue",

   class_description => 'Warp functionality enable a Value object to change its properties (i.e. default value or its type) dynamically according to the value of another Value object locate elsewhere in the configuration tree.',

   'element' 
   => [
       'follow' 
       => {
	   type => 'hash',
	   index_type =>'string',
	   cargo => { type => 'leaf', value_type => 'uniline' } ,
	   description => 'Specify with the pathof the configuration element that drives '
           .'the warp, i.e .the elements that control the property change. '
           .'These are specified using a variable name (used in the "rules" formula)'
           .'and a path to fetch the actual value. Example $country => " ! country"',
	  },
       'rules' => {
		   type => 'hash',
		   ordered => 1,
		   index_type => 'string',
		   cargo => {
               type => 'warped_node',
               warp => {
                   rules => [
                       '&get_type =~ /hash|list/' => {
                           config_class_name => 'Itself::WarpableCargoElement'
                       },
                       '&get_type !~ /hash|list/' => {
                           config_class_name => 'Itself::WarpOnlyElement' ,
                       }
                   ]
               }
			    },
		   description => 'Each key of the hash is a test (as formula using the variables defined in "follow" element) that are tried in sequences to apply its associated effects',
		  },
      ],
  ],
];