Format for rules

Examples of format are the following.

name == ‘MyName’
(title =~ /R/) and (title.size > 10)
not (count < 20)

Format for rules is “attribute operator value” (Attribute is accessor method or instance variable defined in component class). You can join rules with and/or, use notto deny rules. If you use the operators, enclose rules with parenthesis.

Converting data types

Last rule In the above example, set value as number. Form data is setted as string for the valule, but the data is converted temporarily when validating. For example, the following validates input as number whether greater than or equal to 100 and less than equal to 500.

Number : CKTextField {
  value    = number
  validate = “(number >= 100) and (number <= 500)“
  pass     = pass_number
}

Operators

Operators can be included in rules are the following.