Esempio n. 1
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 NLGElement createPronoun(SyntaxProcessor parent, PhraseElement phrase)
        {
            string     pronoun       = "it";   //$NON-NLS-1$
            NLGFactory phraseFactory = phrase.Factory;
            object     personValue   = phrase.getFeature(Feature.PERSON);

            if (Person.FIRST.Equals(personValue))
            {
                pronoun = "I";                 //$NON-NLS-1$
            }
            else if (Person.SECOND.Equals(personValue))
            {
                pronoun = "you";                 //$NON-NLS-1$
            }
            else
            {
                object genderValue = phrase.getFeature(LexicalFeature.GENDER);
                if (Gender.FEMININE.Equals(genderValue))
                {
                    pronoun = "she";                     //$NON-NLS-1$
                }
                else if (Gender.MASCULINE.Equals(genderValue))
                {
                    pronoun = "he";                     //$NON-NLS-1$
                }
            }
            // AG: createWord now returns WordElement; so we embed it in an
            // inflected word element here
            NLGElement element;
            NLGElement proElement = phraseFactory.createWord(pronoun, new LexicalCategory(LexicalCategory.LexicalCategoryEnum.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, ((WordElement)proElement).getFeature(Feature.PERSON));
            }
            else
            {
                element = proElement;
            }

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


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

            return(element);
        }
        public virtual void nounInflectionalVariantsTest()
        {
            WordElement word =
                lexicon.getWord("sanctum", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.NOUN));

            Assert.AreEqual(Inflection.REGULAR, word.getDefaultInflectionalVariant());


            // reg plural shouldn't be stored
            Assert.AreEqual(null, word.getFeature(LexicalFeature.PLURAL));
            InflectedWordElement infl = new InflectedWordElement(word);

            infl.setFeature(Feature.NUMBER, NumberAgreement.PLURAL);
            string plur = realiser.realise(infl).Realisation;

            Assert.AreEqual("sanctums", plur);

            // switch to glreg
            word.setDefaultInflectionalVariant(Inflection.GRECO_LATIN_REGULAR);
            infl = new InflectedWordElement(word);
            infl.setFeature(Feature.NUMBER, NumberAgreement.PLURAL);
            plur = realiser.realise(infl).Realisation;
            Assert.AreEqual("sancta", plur);

            // and back to reg
            word.setDefaultInflectionalVariant(Inflection.REGULAR);
            infl = new InflectedWordElement(word);
            infl.setFeature(Feature.NUMBER, NumberAgreement.PLURAL);
            plur = realiser.realise(infl).Realisation;
            Assert.AreEqual("sanctums", plur);
        }
        public virtual void verbInflectionalVariantsTest()
        {
            WordElement word = lexicon.getWord("lie", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.VERB));

            Assert.AreEqual(Inflection.REGULAR, word.getDefaultInflectionalVariant());


            // default past is "lied"
            InflectedWordElement infl = new InflectedWordElement(word);

            infl.setFeature(Feature.TENSE, Tense.PAST);
            string past = realiser.realise(infl).Realisation;

            Assert.AreEqual("lied", past);

            // switch to irregular
            word.setDefaultInflectionalVariant(Inflection.IRREGULAR);
            infl = new InflectedWordElement(word);
            infl.setFeature(Feature.TENSE, Tense.PAST);
            past = realiser.realise(infl).Realisation;
            Assert.AreEqual("lay", past);

            // switch back to regular
            word.setDefaultInflectionalVariant(Inflection.REGULAR);
            Assert.AreEqual(null, word.getFeature(LexicalFeature.PAST));
            infl = new InflectedWordElement(word);
            infl.setFeature(Feature.TENSE, Tense.PAST);
            past = realiser.realise(infl).Realisation;
            Assert.AreEqual("lied", past);
        }
        /**
         * Adds <em>have</em> to the stack.
         *
         * @param frontVG
         *            the first verb in the verb group.
         * @param vgComponents
         *            the stack of verb components in the verb group.
         * @param modal
         *            the modal to be used.
         * @param tenseValue
         *            the <code>Tense</code> of the phrase.
         * @return the new element for the front of the group.
         */
        private static NLGElement addHave(NLGElement frontVG, Stack <NLGElement> vgComponents, string modal, Tense tenseValue)
        {
            NLGElement newFront = frontVG;

            if (frontVG != null)
            {
                frontVG.setFeature(Feature.FORM, Form.PAST_PARTICIPLE);
                vgComponents.Push(frontVG);
            }
            newFront = new InflectedWordElement("have", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.VERB));             //$NON-NLS-1$
            newFront.setFeature(Feature.TENSE, tenseValue);
            if (!ReferenceEquals(modal, null))
            {
                newFront.setFeature(InternalFeature.NON_MORPH, true);
            }
            return(newFront);
        }
Esempio n. 5
0
        public virtual void layTest()
        {
            string lemma = "slap";

            WordElement          word          = lexicon.lookupWord(lemma, new LexicalCategory(LexicalCategory.LexicalCategoryEnum.VERB));
            InflectedWordElement inflectedWord = new InflectedWordElement(word);

            inflectedWord.setFeature(Feature.FORM, Form.PRESENT_PARTICIPLE);
            string form = realiser.realise(inflectedWord).Realisation;

            Assert.AreEqual("slapping", form);

            VPPhraseSpec v = phraseFactory.createVerbPhrase("slap");

            v.setFeature(Feature.PROGRESSIVE, true);
            string progressive = realiser.realise(v).Realisation;

            Assert.AreEqual("is slapping", progressive);
        }
Esempio n. 6
0
        public virtual void kalijurandTest()
        {
            string lemma = "walk";


            WordElement          word          = lexicon.lookupWord(lemma, new LexicalCategory(LexicalCategory.LexicalCategoryEnum.VERB));
            InflectedWordElement inflectedWord = new InflectedWordElement(word);

            inflectedWord.setFeature(Feature.FORM, Form.PAST_PARTICIPLE);
            string form = realiser.realise(inflectedWord).Realisation;

            Assert.AreEqual("walked", form);


            inflectedWord = new InflectedWordElement(word);

            inflectedWord.setFeature(Feature.PERSON, Person.THIRD);
            form = realiser.realise(inflectedWord).Realisation;
            Assert.AreEqual("walks", form);
        }
Esempio n. 7
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        public void layTest()
        {
            // Richard Lay's test
            var lemma = "slap";

            var word          = SetupForExternalTest.lexicon.lookupWord(lemma, new LexicalCategory_VERB());
            var inflectedWord = new InflectedWordElement(word);

            inflectedWord.setFeature(Feature.FORM.ToString(), Form.PRESENT_PARTICIPLE);
            var form = SetupForExternalTest.realiser.realise(inflectedWord).getRealisation();

            Assert.AreEqual("slapping", form);


            var v = SetupForExternalTest.phraseFactory.createVerbPhrase("slap");

            v.setFeature(Feature.PROGRESSIVE.ToString(), true);
            var progressive = SetupForExternalTest.realiser.realise(v).getRealisation();

            Assert.AreEqual("is slapping", progressive);
        }
Esempio n. 8
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        public void kalijurandTest()
        {
            // K Kalijurand's test
            var lemma = "walk";


            var word          = SetupForExternalTest.lexicon.lookupWord(lemma, new LexicalCategory_VERB());
            var inflectedWord = new InflectedWordElement(word);

            inflectedWord.setFeature(Feature.FORM.ToString(), Form.PAST_PARTICIPLE);
            var form = SetupForExternalTest.realiser.realise(inflectedWord).getRealisation();

            Assert.AreEqual("walked", form);


            inflectedWord = new InflectedWordElement(word);

            inflectedWord.setFeature(Feature.PERSON.ToString(), Person.THIRD);
            form = SetupForExternalTest.realiser.realise(inflectedWord).getRealisation();
            Assert.AreEqual("walks", form);
        }
Esempio n. 9
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        /**
         * The main method for realising coordinated phrases.
         *
         * @param parent
         *            the <code>SyntaxProcessor</code> that called this method.
         * @param phrase
         *            the <code>CoordinatedPhrase</code> to be realised.
         * @return the realised <code>NLGElement</code>.
         */
        internal static NLGElement realise(SyntaxProcessor parent, CoordinatedPhraseElement phrase)
        {
            ListElement realisedElement = null;

            if (phrase != null)
            {
                realisedElement = new ListElement();
                PhraseHelper.realiseList(parent, realisedElement, phrase.PreModifiers, DiscourseFunction.PRE_MODIFIER);

                CoordinatedPhraseElement coordinated = new CoordinatedPhraseElement();

                IList <NLGElement> children    = phrase.Children;
                string             conjunction = phrase.getFeatureAsString(Feature.CONJUNCTION);
                coordinated.setFeature(Feature.CONJUNCTION, conjunction);
                coordinated.setFeature(Feature.CONJUNCTION_TYPE, phrase.getFeature(Feature.CONJUNCTION_TYPE));

                InflectedWordElement conjunctionElement = null;

                if (children != null && children.Any())
                {
                    if (phrase.getFeatureAsBoolean(Feature.RAISE_SPECIFIER))
                    {
                        raiseSpecifier(children);
                    }

                    NLGElement child = phrase.LastCoordinate;
                    child.setFeature(Feature.POSSESSIVE, phrase.getFeature(Feature.POSSESSIVE));

                    child = children[0];

                    setChildFeatures(phrase, child);

                    coordinated.addCoordinate(parent.realise(child));
                    for (int index = 1; index < children.Count; index++)
                    {
                        child = children[index];
                        setChildFeatures(phrase, child);
                        if (phrase.getFeatureAsBoolean(Feature.AGGREGATE_AUXILIARY))
                        {
                            child.setFeature(InternalFeature.REALISE_AUXILIARY, false);
                        }

                        if (child.isA(new PhraseCategory(PhraseCategory.PhraseCategoryEnum.CLAUSE)))
                        {
                            child.setFeature(Feature.SUPRESSED_COMPLEMENTISER, phrase.getFeature(Feature.SUPRESSED_COMPLEMENTISER));
                        }

                        //skip conjunction if it's null or empty string
                        if (!ReferenceEquals(conjunction, null) && conjunction.Length > 0)
                        {
                            conjunctionElement = new InflectedWordElement(conjunction, new LexicalCategory(LexicalCategory.LexicalCategoryEnum.CONJUNCTION));
                            conjunctionElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.CONJUNCTION);
                            coordinated.addCoordinate(conjunctionElement);
                        }

                        coordinated.addCoordinate(parent.realise(child));
                    }
                    realisedElement.addComponent(coordinated);
                }

                PhraseHelper.realiseList(parent, realisedElement, phrase.PostModifiers, DiscourseFunction.POST_MODIFIER);
                PhraseHelper.realiseList(parent, realisedElement, phrase.Complements, DiscourseFunction.COMPLEMENT);
            }
            return(realisedElement);
        }
Esempio n. 10
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        public virtual void beInflectionTest()
        {
            Realiser             r        = new Realiser();
            WordElement          word     = lexicon.getWord("be", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.VERB));
            InflectedWordElement inflWord = new InflectedWordElement(word);


            inflWord.setFeature(Feature.PERSON, Person.FIRST);
            inflWord.setFeature(Feature.TENSE, Tense.PAST);
            Assert.AreEqual("was", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.SECOND);
            inflWord.setFeature(Feature.TENSE, Tense.PAST);
            Assert.AreEqual("were", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.THIRD);
            inflWord.setFeature(Feature.TENSE, Tense.PAST);
            Assert.AreEqual("was", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.FIRST);
            inflWord.setFeature(Feature.TENSE, Tense.PRESENT);
            Assert.AreEqual("am", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.SECOND);
            inflWord.setFeature(Feature.TENSE, Tense.PRESENT);
            Assert.AreEqual("are", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.THIRD);
            inflWord.setFeature(Feature.TENSE, Tense.PRESENT);
            Assert.AreEqual("is", r.realise(inflWord).ToString());

            inflWord.setFeature(Feature.NUMBER, NumberAgreement.PLURAL);


            inflWord.setFeature(Feature.PERSON, Person.FIRST);
            inflWord.setFeature(Feature.TENSE, Tense.PAST);
            Assert.AreEqual("were", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.SECOND);
            inflWord.setFeature(Feature.TENSE, Tense.PAST);
            Assert.AreEqual("were", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.THIRD);
            inflWord.setFeature(Feature.TENSE, Tense.PAST);
            Assert.AreEqual("were", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.FIRST);
            inflWord.setFeature(Feature.TENSE, Tense.PRESENT);
            Assert.AreEqual("are", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.SECOND);
            inflWord.setFeature(Feature.TENSE, Tense.PRESENT);
            Assert.AreEqual("are", r.realise(inflWord).ToString());


            inflWord.setFeature(Feature.PERSON, Person.THIRD);
            inflWord.setFeature(Feature.TENSE, Tense.PRESENT);
            Assert.AreEqual("are", r.realise(inflWord).ToString());
        }
Esempio n. 11
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        public override NLGElement realise(NLGElement element)
        {
            NLGElement realisedElement = null;

            if (element != null && !element.getFeatureAsBoolean(Feature.ELIDED))
            {
                if (element is DocumentElement)
                {
                    IList <NLGElement> children = element.Children;
                    ((DocumentElement)element).Components = realise(children);
                    realisedElement = element;
                }
                else if (element is PhraseElement)
                {
                    realisedElement = realisePhraseElement((PhraseElement)element);
                }
                else if (element is ListElement)
                {
                    realisedElement = new ListElement();
                    ((ListElement)realisedElement).addComponents(realise(element.Children));
                }
                else if (element is InflectedWordElement)
                {
                    string          baseForm = ((InflectedWordElement)element).BaseForm;
                    ElementCategory category = element.Category;

                    if (lexicon != null && !ReferenceEquals(baseForm, null))
                    {
                        WordElement word = ((InflectedWordElement)element).BaseWord;

                        if (word == null)
                        {
                            if (category is LexicalCategory)
                            {
                                word = lexicon.lookupWord(baseForm, (LexicalCategory)category);
                            }
                            else
                            {
                                word = lexicon.lookupWord(baseForm);
                            }
                        }

                        if (word != null)
                        {
                            ((InflectedWordElement)element).BaseWord = word;
                        }
                    }

                    realisedElement = element;
                }
                else if (element is WordElement)
                {
                    // AG: need to check if it's a word element, in which case it
                    // needs to be marked for inflection
                    InflectedWordElement infl = new InflectedWordElement((WordElement)element);


                    // the inflected word inherits all features from the base word
                    foreach (string feature in element.AllFeatureNames)
                    {
                        infl.setFeature(feature, element.getFeature(feature));
                    }

                    realisedElement = realise(infl);
                }
                else if (element is CoordinatedPhraseElement)
                {
                    realisedElement = CoordinatedPhraseHelper.realise(this, (CoordinatedPhraseElement)element);
                }
                else
                {
                    realisedElement = element;
                }
            }

            // Remove the spurious ListElements that have only one element.
            if (realisedElement is ListElement)
            {
                if (((ListElement)realisedElement).size() == 1)
                {
                    realisedElement = ((ListElement)realisedElement).First;
                }
            }

            return(realisedElement);
        }