gistfile1.rb

require 'pathname'
class FileDB
  class ModuleDefiner
    class ClassDefiner
    end
  end

  class << self
    def from_dir(path)
      with_module_for(module_name_for(path)) do |m|
        Dir["#{path}/*.schema"].each do |schema_file|
          m.const_set(class_name_for(schema_file), class_for(schema_file))
        end
      end 
    end 

    def module_name_for(file_path)
      camel(File.basename(file_path))
    end

    def with_module_for(module_name)
      m = Object.const_get(module_name) rescue Object.const_set(module_name, Module.new)
      yield m
      m
    end

    def class_name_for(file_path)
      camel(Pathname.new(file_path).basename.sub(/\.schema$/, ''))
    end

    def camel(name)
      name.to_s.split(/_/).map{|component| component.capitalize}.join
    end

    def class_for(file_path)
      Class.new do
        definition = IO.readlines(file_path)
        definition.map{|line| line.chomp.split(/:/)}.each do |name, type|
		p "Doing #{name}"
          instance_variable_name = "@#{name}"
          define_method(name) do 
	    instance_variable_get(instance_variable_name)
	  end  
	  define_method("#{name}=") do |value|
	    instance_variable_set(instance_variable_name, value)
	  end
        end
      end
    end
  end
end

if __FILE__ == $0
  m = FileDB.from_dir(File.join(File.dirname(__FILE__), 'schema'))
  p m
  p = Schema::Person.new
  p.name = "Chad"
  p p
end