Class: Enolib::ValueElementBase

Inherits:
ElementBase show all
Defined in:
lib/enolib/elements/value_element_base.rb

Direct Known Subclasses

Field, FieldsetEntry, ListItem

Instance Method Summary collapse

Methods inherited from ElementBase

#comment_error, #error, #initialize, #key, #key_error, #optional_comment, #optional_string_comment, #raw, #required_comment, #required_string_comment, #string_key, #touch

Constructor Details

This class inherits a constructor from Enolib::ElementBase

Instance Method Details

#optional_string_value ⇒ Object 



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# File 'lib/enolib/elements/value_element_base.rb', line 5

def optional_string_value
  _value(required: false)
end

#optional_value(loader = nil) ⇒ Object 



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# File 'lib/enolib/elements/value_element_base.rb', line 9

def optional_value(loader = nil)
  loader = Proc.new if block_given?

  unless loader
    raise ArgumentError, 'A loader function must be provided'
  end

  _value(loader, required: false)
end

#required_string_value ⇒ Object 



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# File 'lib/enolib/elements/value_element_base.rb', line 19

def required_string_value
  _value(required: true)
end

#required_value(loader = nil) ⇒ Object 



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# File 'lib/enolib/elements/value_element_base.rb', line 23

def required_value(loader = nil)
  loader = Proc.new if block_given?

  unless loader
    raise ArgumentError, 'A loader function must be provided'
  end

  _value(loader, required: true)
end

#value_error(message = nil) ⇒ Object 



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# File 'lib/enolib/elements/value_element_base.rb', line 33

def value_error(message = nil)
  if block_given?
    message = yield(@context.value(@instruction))
  elsif message.is_a?(Proc)
    message = message.call(@context.value(@instruction))
  end

  unless message
    raise ArgumentError, 'A message or message function must be provided'
  end

  Errors::Validation.value_error(@context, message, @instruction)
end