arch.rb in ronin-1.0.0.pre1

- old
+ new

@@ -1,9 +1,9 @@
 #
 # Ronin - A Ruby platform for exploit development and security research.
 #
-# Copyright (c) 2006-2009 Hal Brodigan (postmodern.mod3 at gmail.com)
+# Copyright (c) 2006-2010 Hal Brodigan (postmodern.mod3 at gmail.com)
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
@@ -16,54 +16,59 @@
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #
 
-require 'ronin/extensions/meta'
-require 'ronin/extensions/string'
 require 'ronin/model'
+require 'ronin/model/has_unique_name'
 
-require 'dm-predefined'
+require 'dm-is-predefined'
 
 module Ronin
+  #
+  # Represents a Computer Architecture and pre-defines many other common
+  # architectures ({i386}, {i486}, {i686}, {i986}, {x86_64}, {ia64}, {ppc},
+  # {ppc64}, {sparc}, {sparc64}, {mips_le}, {mips_be}, {arm_le}
+  # and {arm_be}).
+  #
   class Arch
 
     include Model
-    include DataMapper::Predefined
+    include Model::HasUniqueName
 
+    is :predefined
+
     # Primary key
     property :id, Serial
 
-    # Name of the architecture
-    property :name, String
-
     # Endianness of the architecture
-    property :endian, String
+    property :endian, String, :set => ['little', 'big'], :required => true
 
     # Address length of the architecture
-    property :address_length, Integer
+    property :address_length, Integer, :required => true
 
-    # Validates
-    validates_present :name, :endian, :address_length
-    validates_is_unique :name
-    validates_format :endian, :with => lambda { |endian|
-      endian == 'big' || endian == 'little'
-    }
-    validates_is_number :address_length
-
     #
-    # Converts the architecture to a String.
+    # Splats the architecture into multiple variables.
     #
-    # @return [String]
-    #   The name of the architecture.
+    # @return [Array]
+    #   The {#endian} and {#address_length} of the architecture.
     #
-    def to_s
-      self.name.to_s
+    # @example
+    #   endian, address_length = Arch.i386
+    #   
+    #   endian
+    #   # => 'little'
+    #   address_length
+    #   # => 4
+    #
+    # @since 1.0.0
+    #
+    def to_ary
+      [self.endian, self.address_length]
     end
 
     #
-    # Defines a new builtin Arch with the specified _name_ and the given
-    # _options_.
+    # Defines a new builtin Arch.
     #
     # @param [Symbol, String] name
     #   The name of the architecture.
     #
     # @param [Hash] options