Class: Jsoning::ForDsl

Inherits:
Object
  • Object
show all
Defined in:
lib/jsoning/dsl/for_dsl.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(protocol) ⇒ ForDsl

Returns a new instance of ForDsl.



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# File 'lib/jsoning/dsl/for_dsl.rb', line 4

def initialize(protocol)
  @protocol = protocol
end

Instance Attribute Details

#protocol ⇒ Object (readonly)

Returns the value of attribute protocol.



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# File 'lib/jsoning/dsl/for_dsl.rb', line 2

def protocol
  @protocol
end

Instance Method Details

#key(*args) ⇒ Object

args is first specifying the name for variable to be displayed in JSON docs, and then the options. options are optional, if set, it can contains:

  • from

  • null

  • default



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# File 'lib/jsoning/dsl/for_dsl.rb', line 13

def key *args
  mapped_to = nil
  mapped_from = nil
  options = {}

  args.each do |arg|
    if arg.is_a?(String) || arg.is_a?(Symbol)
      mapped_to = arg
    elsif arg.is_a?(Hash)
      options = arg
    end
  end

  mapper = Jsoning::Mapper.new
  if block_given?
    raise Jsoning::Error, "Cannot parse block to key"
  else
    mapped_from = options.delete(:from) || options.delete("from") || mapped_to
    mapper.parallel_variable = mapped_from
  end

  mapper.name = mapped_to
  mapper.default_value = options.delete(:default) || options.delete("default")
  mapper.nullable = options.delete(:null)
  mapper.nullable = options.delete("null") if mapper.nullable?.nil?

  options.keys { |key| raise Jsoning::Error, "Undefined option: #{key}" }

  protocol.add_mapper mapper
end