Class: Linguistics::Latin::Verb::LatinVerb::LatinVerbClassifier

Inherits:
Object
  • Object
show all
Defined in:
lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb

Overview

ARGUMENTS

  * s :: a "four principal parts" string whence can be derived
the first person singular present indicative as well as the
infinitive

RETURNS

The classification, a subclass of VerbType

PURPOSE

Given the principal parts as a string, decide which conjuation is in play

}}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input) ⇒ LatinVerbClassifier

Returns a new instance of LatinVerbClassifier.



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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 32

def initialize(input)
  @classification = self.classify input
end

Instance Attribute Details

#classification ⇒ Object (readonly)

{{{



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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 30

def classification
  @classification
end

Instance Method Details

#classify(s) ⇒ Object 



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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 36

def classify(s)

  divided_string = s.split( /\s+/ )

  first_pres = divided_string[0] || ''
  infinitive = divided_string[1] || ''

  return Linguistics::Latin::Verb::Classification::Defective if
    Linguistics::Latin::Verb::LatinVerb::DEFECTIVE_VERBS.member? first_pres

  return Linguistics::Latin::Verb::Classification::Irregular if
    Linguistics::Latin::Verb::LatinVerb::IRREGULAR_VERBS.member? first_pres

  return Linguistics::Latin::Verb::Classification::Semideponent if
    Linguistics::Latin::Verb::LatinVerb::SEMI_DEPONENTS.keys.any?{ |k| first_pres=~/#{k}$/} &&
    s !~ /PreventDeponentInfiniteRegress/

  return Linguistics::Latin::Verb::Classification::Impersonal if
    Linguistics::Latin::Verb::LatinVerb::IMPERSONAL_VERBS.member? s

  # Very irregular irregulars, A&G206, e/f
  return Linguistics::Latin::Verb::Classification::Irregular if
    s =~ %r'^(aiō|quaesō|ovāre)$'

  return Linguistics::Latin::Verb::Classification::Deponent if
    (infinitive =~ /ī$/  and first_pres =~ /r$/)

  return Linguistics::Latin::Verb::Classification::Regular

end

#deponent? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 77

def deponent?
  @deponent ||= (@classification == Linguistics::Latin::Verb::Classification::Deponent)
end

#impersonal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 85

def impersonal?
  @impersonal ||= (@classification == Linguistics::Latin::Verb::Classification::Impersonal)
end

#irregular? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 89

def irregular?
  @irregular = @classification == Linguistics::Latin::Verb::Classification::Irregular
end

#present_only? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 73

def present_only?
  @present_only ||= ( @classification ==  Linguistics::Latin::Verb::Classification::PresentOnly )
end

#regular? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 93

def regular?
  @regular = @classification == Linguistics::Latin::Verb::Classification::Regular
end

#semideponent? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 81

def semideponent?
  @semideponent ||= (@classification == Linguistics::Latin::Verb::Classification::Semideponent)
end

#set_as_defective ⇒ Object 



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# File 'lib/linguistics/latin/verb/latinverb/latinverb_classifier.rb', line 67

def set_as_defective
  unless @classification == Linguistics::Latin::Verb::Classification::Impersonal
    @classification = Linguistics::Latin::Verb::Classification::PresentOnly
  end
end