Class: SetBuilder::Trait

Inherits:
Object
  • Object
show all
Defined in:
lib/set_builder/trait.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, part_of_speech, *args, &block) ⇒ Trait

Returns a new instance of Trait.



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# File 'lib/set_builder/trait.rb', line 10

def initialize(name, part_of_speech, *args, &block)
  case name
  when Hash
    @name, @direct_object_type = name.first[0].to_s, name.first[1]
  else
    @name = name.to_s
  end
  @part_of_speech, @block = part_of_speech, block
  @modifiers = (args||[]).collect {|modifier| Modifier[modifier]}
end

Instance Attribute Details

#direct_object_type ⇒ Object (readonly)

Returns the value of attribute direct_object_type.



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# File 'lib/set_builder/trait.rb', line 23

def direct_object_type
  @direct_object_type
end

#modifiers ⇒ Object (readonly)

Returns the value of attribute modifiers.



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# File 'lib/set_builder/trait.rb', line 23

def modifiers
  @modifiers
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/set_builder/trait.rb', line 23

def name
  @name
end

#part_of_speech ⇒ Object (readonly)

Returns the value of attribute part_of_speech.



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# File 'lib/set_builder/trait.rb', line 23

def part_of_speech
  @part_of_speech
end

Instance Method Details

#apply(*args) ⇒ Object 



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# File 'lib/set_builder/trait.rb', line 67

def apply(*args)
  SetBuilder::Constraint.new(self, *args, &@block)
end

#noun? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/set_builder/trait.rb', line 34

def noun?
  (self.part_of_speech == :noun)
end

#requires_direct_object? ⇒ Boolean Also known as: direct_object_required?

Returns:

  • (Boolean) 


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# File 'lib/set_builder/trait.rb', line 27

def requires_direct_object?
  !@direct_object_type.nil?
end

#to_json ⇒ Object 



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# File 'lib/set_builder/trait.rb', line 57

def to_json
  array = []
  array << (requires_direct_object? ? [name, @direct_object_type] : name)
  array << part_of_speech
  array << modifiers.collect{|klass| Modifier.name(klass)} unless modifiers.empty?
  array.to_json
end

#to_s(negative = false) ⇒ Object 



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# File 'lib/set_builder/trait.rb', line 40

def to_s(negative=false)
  case part_of_speech
  when :active
    negative ? "who have not #{name}" : "who #{name}"
  when :perfect
    negative ? "who have not #{name}" : "who have #{name}"
  when :passive
    negative ? "who were not #{name}" : "who were #{name}"
  when :reflexive
    negative ? "who are not #{name}" : "who are #{name}"
  when :noun
    "whose #{name}"
  end
end