Class: TypedModel::Validator

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, &blk) ⇒ Validator

Returns a new instance of Validator.



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# File 'lib/typed_model/validator.rb', line 38

def initialize(name, &blk)
  @name = name
  @f = blk
end

Instance Attribute Details

#f ⇒ Object (readonly)

Returns the value of attribute f.



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# File 'lib/typed_model/validator.rb', line 36

def f
  @f
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/typed_model/validator.rb', line 36

def name
  @name
end

Class Method Details

.build(arg) ⇒ Object 



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# File 'lib/typed_model/validator.rb', line 6

def build(arg)
  return arg if arg.respond_to?(:validate) && arg.respond_to?(:name)
  raise "failed to create validator from '#{arg}'" unless arg.is_a?(Symbol)
  raise "Unrecognized validation '#{arg}'" unless Validators.recognized?(arg)
  new_builtin_validator(arg)
end

.from_primitive(t) ⇒ Object 



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# File 'lib/typed_model/validator.rb', line 13

def from_primitive(t)
  new(t) do |v|
    errors = []
    if !v.nil? && (msg = send(:"assert_#{t}", v))
      errors << msg
    end
    errors
  end
end

Instance Method Details

#validate(value) ⇒ Object 



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# File 'lib/typed_model/validator.rb', line 43

def validate(value)
  f.call(value)
end