Class: CRStruct::Open

Inherits:
Object
  • Object
show all
Defined in:
lib/crstruct/open.rb

Direct Known Subclasses

Registered

Instance Method Summary collapse

Constructor Details

#initialize(h = {}) ⇒ Open

h should support interface ### raise “need Hash(Symbol,Value)” unless

[:to_h, :keys, :has_key?, :[], :[]=].all?{|_|h.respond_to?_} and
h.keys.all?{|_|_.is_a? Symbol}



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# File 'lib/crstruct/open.rb', line 7

def initialize(h={})
  @h = h
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(key, *args, &proc) ⇒ Object 



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# File 'lib/crstruct/open.rb', line 33

def method_missing(key, *args, &proc)
  if proc.nil?
    case args.length
    when 0
      return get?(key) if @h.has_key? key
    when 1
      if key=~/^\w+=$/
        k = key[0..-2].to_sym
        return set!(k, args[0]) if free?(k)
      end
    end
  end
  super
end

Instance Method Details

#free?(k) ⇒ Boolean

free?, set!, and get? ### make purposefull access to @h possible, and easier to subclass CRStruct.

Returns:

  • (Boolean) 


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# File 'lib/crstruct/open.rb', line 23

def free?(k)
  !(@h.has_key?(k) or respond_to?(k))
end

#get?(k) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/crstruct/open.rb', line 29

def get?(k)
  @h[k]
end

#set!(k, v) ⇒ Object 



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# File 'lib/crstruct/open.rb', line 26

def set!(k, v)
  @h[k]=v
end

#to_h ⇒ Object

Can it somehow be converted into a Hash? Most likely.



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# File 'lib/crstruct/open.rb', line 13

def to_h
  @h.to_h
end