ioquatix/mapping

# Copyright, 2016, by Samuel G. D. Williams. <http://www.codeotaku.com>
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# THE SOFTWARE.

require_relative 'model'
require_relative 'descendants'

module Mapping
    # Provides a useful starting point for object based mappings. Handles, true, false, nil, Array and Hash by default, simply by passing through.
    class ObjectModel < Model
        map_identity(NilClass, TrueClass, FalseClass, String, *Mapping.lookup_descendants(Numeric))
        
        map(Array) do |items|
            items.collect{|object| map(object)}
        end
        
        map(Hash) do |hash|
            hash.inject(Hash.new) { |output, (key, value)| output[key] = map(value); output  }
        end
    end
end