Class: Jschematic::Attributes::Type

Inherits:
Object
  • Object
show all
Includes:
Element
Defined in:
lib/jschematic/attributes/type.rb

Direct Known Subclasses

Disallow

Instance Attribute Summary collapse

Attributes included from Element

#id, #parent

Instance Method Summary collapse

Methods included from Element

#required?, #schema_for, #title, #to_s

Constructor Details

#initialize(type) ⇒ Type

Returns a new instance of Type.



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# File 'lib/jschematic/attributes/type.rb', line 10

def initialize(type)
  @type = type
end

Instance Attribute Details

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/jschematic/attributes/type.rb', line 8

def type
  @type
end

Instance Method Details

#accepts?(instance) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jschematic/attributes/type.rb', line 14

def accepts?(instance)
  return true unless type

  case type
  when /^object$/
    assert_kind_of([Hash], instance)
  when /^number$/
    assert_kind_of([Numeric], instance)
  when /^integer$/
    assert_kind_of([Integer], instance)
  when /^boolean$/
    assert_kind_of([TrueClass, FalseClass], instance)
  when /^null$/
    assert_kind_of([NilClass], instance)
  when /^any$/
    true
  when Array # union
    # TODO: this is gross. A specific Union type is likely called for
    type.any? do |union_type|
      begin
        if String===union_type
          Type.new(union_type).accepts?(instance)
        elsif Hash===union_type
          Schema.new(union_type).accepts?(instance)
        end
      rescue ValidationError
        false
      end
    end || fail_validation!(type, instance)
  else
    # TODO: probably worth just putting in explicit mapping for all
    # JSON schema types--there are only a few left
    assert_kind_of([constantize(type)], instance)
  end
end