constraint.rb in key-vortex-1.1.1

- old
+ new

@@ -2,10 +2,11 @@
 
 require "key_vortex/constraint/base"
 require "key_vortex/constraint/length"
 require "key_vortex/constraint/maximum"
 require "key_vortex/constraint/minimum"
+require "key_vortex/constraint/regexp"
 
 class KeyVortex
   # Constraints define a restriction on the values which can be used
   # for {KeyVortex::Record} and {KeyVortex::Adapter}. Although they
   # are somewhat varied, they do have some common properties.
@@ -23,12 +24,12 @@
   # {KeyVortex::Constraint} is a module instead of the base class to
   # avoid a circular dependency.
   #
   # All constraints can determine if a value is valid for them.
   #
-  # All constraints, when compared with other instances of themselves,
-  # it can always be determined if ones limitations fit within the
+  # Most constraints, when compared with other instances of
+  # themselves, can be determined if ones limitations fit within the
   # others. More formally, given an instance x of a constraint, an
   # instance y of the same constraint fits within x if and only if for
   # all values v that are valid for y, v is also valid for x.
   module Constraint
     # Factory enabling the specification of constraints by attribute
@@ -43,9 +44,11 @@
         KeyVortex::Constraint::Length.new(limit)
       when :maximum
         KeyVortex::Constraint::Maximum.new(limit)
       when :minimum
         KeyVortex::Constraint::Minimum.new(limit)
+      when :regexp
+        KeyVortex::Constraint::Regexp.new(limit)
       else
         raise KeyVortex::Error, "Unexpected attribute: #{attribute}"
       end
     end
   end