Class: InJson::Definition

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

Overview

A Definition is a proxy class primarily for evaluating InJson blocks into a Hash definition.

class Post
  in_json do
    name
    email
  end # => {:email=>nil, :name=>nil}

  in_json(:with_posts_and_comments_named) do
    posts do
      title
      comments :only_approved
    end
  end # => {:posts=>{:title=>nil, :comments=>:only_approved}}
end

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Definition

Returns a new instance of Definition.



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# File 'lib/in_json.rb', line 35

def initialize
  @hash = {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Hash

Stores any method calls as Hash keys

Returns:

  • (Hash) —

    the evaluated definition



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# File 'lib/in_json.rb', line 41

def method_missing(method, *args, &block)
  method_s = method.to_s
  method = method_s.sub(/^_/, '').to_sym if method_s =~ /^_.*/
  @hash[method] = block_given? ? Definition.new.instance_eval(&block) : args.first
  @hash
end