Class: Dish::Plate

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ Plate

Returns a new instance of Plate.



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# File 'lib/dish/plate.rb', line 13

def initialize(hash)
  @_original_hash = Hash[hash.map { |k, v| [k.to_s, v] }]
  @_value_cache = {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

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



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# File 'lib/dish/plate.rb', line 29

def method_missing(method, *args, &block)
  method = method.to_s
  key = method[0..-2]
  if method.end_with?("?")
    !!_get_value(key)
  elsif method.end_with? '='
    _set_value(key, args.first)
  else
    _get_value(method)
  end
end

Class Method Details

.coerce(key, klass_or_proc) ⇒ Object 



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# File 'lib/dish/plate.rb', line 8

def coerce(key, klass_or_proc)
  coercions[key.to_s] = klass_or_proc
end

.coercions ⇒ Object 



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# File 'lib/dish/plate.rb', line 4

def coercions
  @coercions ||= Hash.new(Plate)
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql? 



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# File 'lib/dish/plate.rb', line 22

def ==(other)
  return false unless other.respond_to?(:to_h)
  to_h == other.to_h
end

#as_hash ⇒ Object 



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# File 'lib/dish/plate.rb', line 49

def as_hash
  # TODO: Add the version number where this was deprecated?
  warn 'Dish::Plate#as_hash has been deprecated. Use Dish::Plate#to_h.'
  to_h
end

#hash ⇒ Object 



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# File 'lib/dish/plate.rb', line 18

def hash
  to_h.hash
end

#methods(regular = true) ⇒ Object 



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# File 'lib/dish/plate.rb', line 67

def methods(regular = true)
  valid_keys = to_h.keys.map(&:to_sym)
  valid_keys + super
end

#respond_to_missing?(method, *args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dish/plate.rb', line 41

def respond_to_missing?(method, *args)
  _check_for_presence(method.to_s) || super
end

#to_h ⇒ Object 



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# File 'lib/dish/plate.rb', line 45

def to_h
  @_original_hash
end

#to_json(*args) ⇒ Object 



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# File 'lib/dish/plate.rb', line 55

def to_json(*args)
  # If we're using RubyMotion #to_json isn't available like with Ruby's JSON stdlib
  if defined?(Motion::Project::Config)
    # From BubbleWrap: https://github.com/rubymotion/BubbleWrap/blob/master/motion/core/json.rb#L30-L32
    NSJSONSerialization.dataWithJSONObject(to_h, options: 0, error: nil).to_str
  elsif defined?(JSON)
    to_h.to_json(*args)
  else
    raise "#{self.class}#to_json depends on Hash#to_json. Try again after using `require 'json'`."
  end
end