Exemplo n.º 1
0
        /**
         * Adds <em>not</em> to the stack if the phrase is negated.
         *
         * @param phrase
         *            the <code>PhraseElement</code> representing this noun phrase.
         * @param vgComponents
         *            the stack of verb components in the verb group.
         * @param frontVG
         *            the first verb in the verb group.
         * @param hasModal
         *            the phrase has a modal
         * @return the new element for the front of the group.
         */

        private static INLGElement createNot(PhraseElement phrase,
                                             Stack <INLGElement> vgComponents, INLGElement frontVG, bool hasModal)
        {
            var newFront = frontVG;

            if (phrase.getFeatureAsBoolean(Feature.NEGATED.ToString()))
            {
                var factory = phrase.getFactory();

                // before adding "do", check if this is an object WH
                // interrogative
                // in which case, don't add anything as it's already done by
                // ClauseHelper
                var interrType = phrase.getFeature(Feature.INTERROGATIVE_TYPE.ToString());
                var addDo      = !(InterrogativeType.WHAT_OBJECT.Equals(interrType) || InterrogativeType.WHO_OBJECT
                                   .Equals(interrType));

                if (!vgComponents.empty() || frontVG != null && isCopular(frontVG))
                {
                    vgComponents.push(new InflectedWordElement(
                                          "not", new LexicalCategory_ADVERB()));
                }
                else
                {
                    if (frontVG != null && !hasModal)
                    {
                        frontVG.setFeature(Feature.NEGATED.ToString(), true);
                        vgComponents.push(frontVG);
                    }

                    vgComponents.push(new InflectedWordElement(
                                          "not", new LexicalCategory_ADVERB()));

                    if (addDo)
                    {
                        if (factory != null)
                        {
                            newFront = factory.createInflectedWord("do",
                                                                   new LexicalCategory_VERB());
                        }
                        else
                        {
                            newFront = new InflectedWordElement(
                                "do", new LexicalCategory_VERB());
                        }
                    }
                }
            }

            return(newFront);
        }
Exemplo n.º 2
0
        /**
         * The main method for controlling the syntax realisation of clauses.
         *
         * @param parent
         *            the parent <code>SyntaxProcessor</code> that called this
         *            method.
         * @param phrase
         *            the <code>PhraseElement</code> representation of the clause.
         * @return the <code>NLGElement</code> representing the realised clause.
         */

        public static INLGElement realise(SyntaxProcessor parent, PhraseElement phrase)
        {
            ListElement realisedElement = null;
            var         phraseFactory   = phrase.getFactory();
            INLGElement splitVerb       = null;
            var         interrogObj     = false;

            if (phrase != null)
            {
                realisedElement = new ListElement();
                var verbElement = phrase.getFeatureAsElement(InternalFeature.VERB_PHRASE.ToString());

                if (verbElement == null)
                {
                    verbElement = phrase.getHead();
                }

                checkSubjectNumberPerson(phrase, verbElement);
                checkDiscourseFunction(phrase);
                copyFrontModifiers(phrase, verbElement);
                addComplementiser(phrase, parent, realisedElement);
                addCuePhrase(phrase, parent, realisedElement);

                if (phrase.hasFeature(Feature.INTERROGATIVE_TYPE.ToString()))
                {
                    var inter = phrase.getFeature(Feature.INTERROGATIVE_TYPE.ToString());
                    interrogObj = (InterrogativeType.WHAT_OBJECT.Equals(inter) ||
                                   InterrogativeType.WHO_OBJECT.Equals(inter) ||
                                   InterrogativeType.HOW_PREDICATE.Equals(inter) ||
                                   InterrogativeType.HOW.Equals(inter) ||
                                   InterrogativeType.WHY.Equals(inter) || InterrogativeType.WHERE.Equals(inter));
                    splitVerb = realiseInterrogative(phrase, parent, realisedElement, phraseFactory, verbElement);
                }
                else
                {
                    PhraseHelper.realiseList(parent,
                                             realisedElement,
                                             phrase.getFeatureAsElementList(InternalFeature.FRONT_MODIFIERS.ToString()),
                                             DiscourseFunction.FRONT_MODIFIER);
                }

                addSubjectsToFront(phrase, parent, realisedElement, splitVerb);

                var passiveSplitVerb = addPassiveComplementsNumberPerson(phrase,
                                                                         parent,
                                                                         realisedElement,
                                                                         verbElement);

                if (passiveSplitVerb != null)
                {
                    splitVerb = passiveSplitVerb;
                }

                // realise verb needs to know if clause is object interrogative
                realiseVerb(phrase, parent, realisedElement, splitVerb, verbElement, interrogObj);
                addPassiveSubjects(phrase, parent, realisedElement, phraseFactory);
                addInterrogativeFrontModifiers(phrase, parent, realisedElement);
                addEndingTo(phrase, parent, realisedElement, phraseFactory);
            }
            return(realisedElement);
        }
Exemplo n.º 3
0
        /**
         * Creates the appropriate pronoun if the subject of the noun phrase is
         * pronominal.
         *
         * @param parent
         *            the parent <code>SyntaxProcessor</code> that will do the
         *            realisation of the complementiser.
         * @param phrase
         *            the <code>PhraseElement</code> representing this noun phrase.
         * @return the <code>NLGElement</code> representing the pronominal.
         */

        private static INLGElement createPronoun(SyntaxProcessor parent,
                                                 PhraseElement phrase)
        {
            var pronoun       = "it";
            var phraseFactory = phrase.getFactory();
            var personValue   = phrase.getFeature(Feature.PERSON.ToString());

            if (Person.FIRST.Equals(personValue))
            {
                pronoun = "I";
            }
            else if (Person.SECOND.Equals(personValue))
            {
                pronoun = "you";
            }
            else
            {
                var genderValue = phrase.getFeature(LexicalFeature.GENDER);
                if (Gender.FEMININE.Equals(genderValue))
                {
                    pronoun = "she";
                }
                else if (Gender.MASCULINE.Equals(genderValue))
                {
                    pronoun = "he";
                }
            }
            // AG: createWord now returns WordElement; so we embed it in an
            // inflected word element here
            INLGElement element;
            var         proElement = phraseFactory.createWord(pronoun,
                                                              new LexicalCategory_PRONOUN());

            if (proElement is WordElement)
            {
                element = new InflectedWordElement((WordElement)proElement);
                element.setFeature(LexicalFeature.GENDER, ((WordElement)proElement).getFeature(LexicalFeature.GENDER));
                // Ehud - also copy over person
                element.setFeature(Feature.PERSON.ToString(), ((WordElement)proElement).getFeature(Feature.PERSON.ToString()));
            }
            else
            {
                element = proElement;
            }

            element.setFeature(InternalFeature.DISCOURSE_FUNCTION.ToString(),
                               DiscourseFunction.SPECIFIER);
            element.setFeature(Feature.POSSESSIVE.ToString(), phrase
                               .getFeature(Feature.POSSESSIVE.ToString()));
            element
            .setFeature(Feature.NUMBER.ToString(), phrase.getFeature(Feature.NUMBER.ToString()));


            if (phrase.hasFeature(InternalFeature.DISCOURSE_FUNCTION.ToString()))
            {
                element.setFeature(InternalFeature.DISCOURSE_FUNCTION.ToString(), phrase
                                   .getFeature(InternalFeature.DISCOURSE_FUNCTION.ToString()));
            }

            return(element);
        }