Module: Conf::ConfigValue

Included in:
Configuration
Defined in:
lib/conf.rb

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *args, &blk) ⇒ Object 



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# File 'lib/conf.rb', line 30

def method_missing(meth, *args, &blk)
  m = meth.to_s
  
  if m =~ /^to_/
    super
  elsif m =~ /^(\w+)=/ || args.size == 1
    # setter
    @__root__.check_lock
    key = [@__key__, $1 || m].compact.join(".")
    @__root__[key] = ConfigValue.create(@__root__, key, args.first)
  else
    # getter
    key = [@__key__, m].compact.join(".")

    obj = @__root__.data[key]

    if obj.nil?
      if @__root__.locked?
        obj = @__root__.fetch(key) { raise Conf::InvalidKeyError, key }
      else
        obj = @__root__.data[key] = ConfigValue.create(@__root__, key)
      end
    end

    if blk
      @__root__.check_lock
      obj.instance_eval(&blk)
    end

    obj
  end
end

Class Method Details

.create(root, key, obj = Object.new) ⇒ Object 



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# File 'lib/conf.rb', line 10

def self.create(root, key, obj = Object.new)
  return obj unless [String, Object].any? { |klass| obj.instance_of? klass }
  
  begin
    obj.extend(self)
    obj.__setup__(root, key)
  rescue TypeError
    # can't extend obj
  end

  obj
end

Instance Method Details

#__setup__(root, key) ⇒ Object 



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# File 'lib/conf.rb', line 23

def __setup__(root, key)
  @__root__ = root
  @__key__  = key

  self
end