/**
* Iterates through a <code>List</code> of <code>NLGElement</code>s
* realisation each element and adding it to the on-going realisation of
* this clause.
*
* @param parent
* the parent <code>SyntaxProcessor</code> that will do the
* realisation of the complementiser.
* @param realisedElement
* the current realisation of the clause.
* @param elementList
* the <code>List</code> of <code>NLGElement</code>s to be
* realised.
* @param function
* the <code>DiscourseFunction</code> each element in the list is
* to take. If this is <code>null</code> then the function is not
* set and any existing discourse function is kept.
*/
internal static void realiseList(SyntaxProcessor parent, ListElement realisedElement, IList <NLGElement> elementList, DiscourseFunction function)
{
// AG: Change here: the original list structure is kept, i.e. rather
// than taking the elements of the list and putting them in the realised
// element, we now add the realised elements to a new list and put that
// in the realised element list. This preserves constituency for
// orthography and morphology processing later.
ListElement realisedList = new ListElement();
NLGElement currentElement = null;
foreach (NLGElement eachElement in elementList)
{
currentElement = parent.realise(eachElement);
if (currentElement != null)
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, function);
if (eachElement.getFeatureAsBoolean(Feature.APPOSITIVE))
{
currentElement.setFeature(Feature.APPOSITIVE, true);
}
// realisedElement.addComponent(currentElement);
realisedList.addComponent(currentElement);
}
}
if (realisedList.Children.Any())
{
realisedElement.addComponent(realisedList);
}
}
/**
* Realises the verb part of the clause.
*
* @param phrase
* the <code>PhraseElement</code> representing this clause.
* @param parent
* the parent <code>SyntaxProcessor</code> that will do the
* realisation of the complementiser.
* @param realisedElement
* the current realisation of the clause.
* @param splitVerb
* an <code>NLGElement</code> representing the subjects that
* should split the verb
* @param verbElement
* the <code>NLGElement</code> representing the verb phrase for
* this clause.
* @param whObj
* whether the VP is part of an object WH-interrogative
*/
private static void realiseVerb(PhraseElement phrase, SyntaxProcessor parent, ListElement realisedElement, NLGElement splitVerb, NLGElement verbElement, bool whObj)
{
setVerbFeatures(phrase, verbElement);
NLGElement currentElement = parent.realise(verbElement);
if (currentElement != null)
{
if (splitVerb == null)
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.VERB_PHRASE);
realisedElement.addComponent(currentElement);
}
else
{
if (currentElement is ListElement)
{
IList <NLGElement> children = currentElement.Children;
currentElement = children[0];
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.VERB_PHRASE);
realisedElement.addComponent(currentElement);
realisedElement.addComponent(splitVerb);
for (int eachChild = 1; eachChild < children.Count; eachChild++)
{
currentElement = children[eachChild];
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.VERB_PHRASE);
realisedElement.addComponent(currentElement);
}
}
else
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.VERB_PHRASE);
if (whObj)
{
realisedElement.addComponent(currentElement);
realisedElement.addComponent(splitVerb);
}
else
{
realisedElement.addComponent(splitVerb);
realisedElement.addComponent(currentElement);
}
}
}
}
}
/**
* Utility method to set the discourse function for phrase components,
* unless set by user
*
* @param function
* the function
* @param phrase
* the phrase
*/
private void checkFunction(DiscourseFunction function, NLGElement phrase)
{
if (!phrase.hasFeature(InternalFeature.DISCOURSE_FUNCTION))
{
phrase.setFeature(InternalFeature.DISCOURSE_FUNCTION, function);
}
}
/**
* Checks to see if the phrase is in imperative, infinitive or bare
* infinitive form. If it is then no morphology is done on the main verb.
*
* @param formValue
* the <code>Form</code> of the phrase.
* @param frontVG
* the first verb in the verb group.
*/
private static void checkImperativeInfinitive(object formValue, NLGElement frontVG)
{
if ((Form.IMPERATIVE.Equals(formValue) || Form.INFINITIVE.Equals(formValue) || Form.BARE_INFINITIVE.Equals(formValue)) && frontVG != null)
{
frontVG.setFeature(InternalFeature.NON_MORPH, true);
}
}
/**
* Perform aggregation on a single phrase. This method only works on a
* {@link simplenlg.framework.CoordinatedPhraseElement}, in which case it
* calls {@link #apply(List)} on the children of the coordinated phrase,
* returning a coordinated phrase whose children are the result.
*
* @param phrase
* @return aggregated result
*/
public virtual NLGElement apply(NLGElement phrase)
{
NLGElement result = null;
if (phrase is CoordinatedPhraseElement)
{
IList <NLGElement> children = ((CoordinatedPhraseElement)phrase).Children;
IList <NLGElement> aggregated = apply(children);
if (aggregated.Count == 1)
{
result = aggregated[0];
}
else
{
result = factory.createCoordinatedPhrase();
foreach (NLGElement agg in aggregated)
{
((CoordinatedPhraseElement)result).addCoordinate(agg);
}
}
}
if (result != null)
{
foreach (string feature in phrase.AllFeatureNames)
{
result.setFeature(feature, phrase.getFeature(feature));
}
}
return(result);
}
/**
* Realises the subjects of a passive clause.
*
* @param phrase
* the <code>PhraseElement</code> representing this clause.
* @param parent
* the parent <code>SyntaxProcessor</code> that will do the
* realisation of the complementiser.
* @param realisedElement
* the current realisation of the clause.
* @param phraseFactory
* the phrase factory to be used.
*/
private static void addPassiveSubjects(PhraseElement phrase, SyntaxProcessor parent, ListElement realisedElement, NLGFactory phraseFactory)
{
NLGElement currentElement = null;
if (phrase.getFeatureAsBoolean(Feature.PASSIVE))
{
IList <NLGElement> allSubjects = phrase.getFeatureAsElementList(InternalFeature.SUBJECTS);
if (allSubjects.Any() || phrase.hasFeature(Feature.INTERROGATIVE_TYPE))
{
realisedElement.addComponent(parent.realise(phraseFactory.createPrepositionPhrase("by"))); //$NON-NLS-1$
}
foreach (NLGElement subject in allSubjects)
{
subject.setFeature(Feature.PASSIVE, true);
if (subject.isA(new PhraseCategory(PhraseCategory.PhraseCategoryEnum.NOUN_PHRASE)) || subject is CoordinatedPhraseElement)
{
currentElement = parent.realise(subject);
if (currentElement != null)
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.SUBJECT);
realisedElement.addComponent(currentElement);
}
}
}
}
}
/**
* Adds the <em>be</em> verb to the front of the group.
*
* @param frontVG
* the first verb in the verb group.
* @param vgComponents
* the stack of verb components in the verb group.
* @param frontForm
* the form the current front verb is to take.
* @return the new element for the front of the group.
*/
private static NLGElement addBe(NLGElement frontVG, Stack <NLGElement> vgComponents, Form frontForm)
{
if (frontVG != null)
{
frontVG.setFeature(Feature.FORM, frontForm);
vgComponents.Push(frontVG);
}
return(new InflectedWordElement("be", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.VERB))); //$NON-NLS-1$
}
/**
* Realises the cue phrase for the clause if it exists.
*
* @param phrase
* the <code>PhraseElement</code> representing this clause.
* @param parent
* the parent <code>SyntaxProcessor</code> that will do the
* realisation of the complementiser.
* @param realisedElement
* the current realisation of the clause.
*/
private static void addCuePhrase(PhraseElement phrase, SyntaxProcessor parent, ListElement realisedElement)
{
NLGElement currentElement = parent.realise(phrase.getFeatureAsElement(Feature.CUE_PHRASE));
if (currentElement != null)
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.CUE_PHRASE);
realisedElement.addComponent(currentElement);
}
}
/**
* Realises the head element of the phrase.
*
* @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.
* @param realisedElement
* the current realisation of the noun phrase.
*/
private static void realiseHead(SyntaxProcessor parent, PhraseElement phrase, ListElement realisedElement)
{
NLGElement head = phrase.getHead();
if (head != null)
{
if (phrase.hasFeature(Feature.IS_COMPARATIVE))
{
head.setFeature(Feature.IS_COMPARATIVE, phrase.getFeature(Feature.IS_COMPARATIVE));
}
else if (phrase.hasFeature(Feature.IS_SUPERLATIVE))
{
head.setFeature(Feature.IS_SUPERLATIVE, phrase.getFeature(Feature.IS_SUPERLATIVE));
}
head = parent.realise(head);
head.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.HEAD);
realisedElement.addComponent(head);
}
}
/**
* Checks to see if the specifier can be raised and then raises it. In order
* to be raised the specifier must be the same on all coordinates. For
* example, <em>the cat and the dog</em> will be realised as
* <em>the cat and dog</em> while <em>the cat and any dog</em> will remain
* <em>the cat and any dog</em>.
*
* @param children
* the <code>List</code> of coordinates in the
* <code>CoordinatedPhraseElement</code>
*/
private static void raiseSpecifier(IList <NLGElement> children)
{
bool allMatch = true;
NLGElement child = children[0];
NLGElement specifier = null;
string test = null;
if (child != null)
{
specifier = child.getFeatureAsElement(InternalFeature.SPECIFIER);
if (specifier != null)
{
// AG: this assumes the specifier is an InflectedWordElement or
// phrase.
// it could be a Wordelement, in which case, we want the
// baseform
test = (specifier is WordElement) ? ((WordElement)specifier).BaseForm : specifier.getFeatureAsString(LexicalFeature.BASE_FORM);
}
if (!ReferenceEquals(test, null))
{
int index = 1;
while (index < children.Count && allMatch)
{
child = children[index];
if (child == null)
{
allMatch = false;
}
else
{
specifier = child.getFeatureAsElement(InternalFeature.SPECIFIER);
string childForm = (specifier is WordElement) ? ((WordElement)specifier).BaseForm : specifier.getFeatureAsString(LexicalFeature.BASE_FORM);
if (!test.Equals(childForm))
{
allMatch = false;
}
}
index++;
}
if (allMatch)
{
for (int eachChild = 1; eachChild < children.Count; eachChild++)
{
child = children[eachChild];
child.setFeature(InternalFeature.RAISED, true);
}
}
}
}
}
/**
* Elide the leftmost consitutents in the phrase list, that is, all phrases
* except the rightmost.
*/
public virtual void elideLeftmost()
{
for (int i = phrases.Count - 2; i >= 0; i--)
{
NLGElement phrase = phrases[i];
if (phrase != null)
{
phrase.setFeature(Feature.ELIDED, true);
}
}
}
/**
* Elide the rightmost constituents in the phrase list, that is, all phrases
* except the first.
*/
public virtual void elideRightmost()
{
for (int i = 1; i < phrases.Count; i++)
{
NLGElement phrase = phrases[i];
if (phrase != null)
{
phrase.setFeature(Feature.ELIDED, true);
}
}
}
/**
* Copies the front modifiers of the clause to the list of post-modifiers of
* the verb only if the phrase has infinitive form.
*
* @param phrase
* the <code>PhraseElement</code> representing this clause.
* @param verbElement
* the <code>NLGElement</code> representing the verb phrase for
* this clause.
*/
private static void copyFrontModifiers(PhraseElement phrase, NLGElement verbElement)
{
IList <NLGElement> frontModifiers = phrase.getFeatureAsElementList(InternalFeature.FRONT_MODIFIERS);
object clauseForm = phrase.getFeature(Feature.FORM);
// bug fix by Chris Howell (Agfa) -- do not overwrite existing post-mods in the VP
if (verbElement != null)
{
IList <NLGElement> phrasePostModifiers = phrase.getFeatureAsElementList(InternalFeature.POSTMODIFIERS);
if (verbElement is PhraseElement)
{
IList <NLGElement> verbPostModifiers = verbElement.getFeatureAsElementList(InternalFeature.POSTMODIFIERS);
foreach (NLGElement eachModifier in phrasePostModifiers)
{
// need to check that VP doesn't already contain the
// post-modifier
// this only happens if the phrase has already been realised
// and later modified, with realiser called again. In that
// case, postmods will be copied over twice
if (!verbPostModifiers.Contains(eachModifier))
{
((PhraseElement)verbElement).addPostModifier(eachModifier);
}
}
}
}
// if (verbElement != null) {
// verbElement.setFeature(InternalFeature.POSTMODIFIERS, phrase
// .getFeature(InternalFeature.POSTMODIFIERS));
// }
if (Form.INFINITIVE.Equals(clauseForm))
{
phrase.setFeature(Feature.SUPRESSED_COMPLEMENTISER, true);
foreach (NLGElement eachModifier in frontModifiers)
{
if (verbElement is PhraseElement)
{
((PhraseElement)verbElement).addPostModifier(eachModifier);
}
}
phrase.removeFeature(InternalFeature.FRONT_MODIFIERS);
if (verbElement != null)
{
verbElement.setFeature(InternalFeature.NON_MORPH, true);
}
}
}
// intercept and override setFeature, to set VP features as needed
/**
* adds a feature, possibly to the underlying VP as well as the SPhraseSpec
* itself
*
* @see simplenlg.framework.NLGElement#setFeature(java.lang.String,
* java.lang.Object)
*/
public override void setFeature(string featureName, object featureValue)
{
base.setFeature(featureName, featureValue);
if (vpFeatures.Contains(featureName))
{
NLGElement verbPhrase = (NLGElement)getFeatureAsElement(InternalFeature.VERB_PHRASE);
if (verbPhrase != null || verbPhrase is VPPhraseSpec)
{
verbPhrase.setFeature(featureName, featureValue);
}
}
}
public virtual void testTwoPossessiveFeature_PastTense()
{
phraseFactory.Lexicon = lexicon;
// Create the pronoun 'she'
NLGElement she =
phraseFactory.createWord("she", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.PRONOUN));
// Set possessive on the pronoun to make it 'her'
she.setFeature(Feature.POSSESSIVE, true);
// Create a noun phrase with the subject lover and the determiner as she
PhraseElement herLover = phraseFactory.createNounPhrase(she, "lover");
herLover.Plural = true;
// Create the pronoun 'he'
NLGElement he =
phraseFactory.createNounPhrase(new LexicalCategory(LexicalCategory.LexicalCategoryEnum.PRONOUN), "he");
he.Plural = true;
// Create a clause to say 'they be her lovers'
PhraseElement clause = phraseFactory.createClause(he, "be", herLover);
clause.setFeature(Feature.POSSESSIVE, true);
// Add the cue phrase need the comma as orthography
// currently doesn't handle this.
// This could be expanded to be a noun phrase with determiner
// 'two' and noun 'week', set to plural and with a premodifier of
// 'after'
clause.setFeature(Feature.CUE_PHRASE, "after two weeks,");
// Add the 'for a fortnight' as a post modifier. Alternatively
// this could be added as a prepositional phrase 'for' with a
// complement of a noun phrase ('a' 'fortnight')
clause.addPostModifier("for a fortnight");
// Set 'be' to 'was' as past tense
clause.setFeature(Feature.TENSE, Tense.PAST);
// Add the clause to a sentence.
DocumentElement sentence1 = docFactory.createSentence(clause);
// Realise the sentence
NLGElement realised = realiser.realise(sentence1);
Assert.AreEqual("After two weeks, they were her lovers for a fortnight.",
realised.Realisation); //$NON-NLS-1$
}
private void recursiveElide(NLGElement component)
{
if (component is ListElement)
{
foreach (NLGElement subcomponent in component.getFeatureAsElementList(InternalFeature.COMPONENTS))
{
recursiveElide(subcomponent);
}
}
else
{
component.setFeature(Feature.ELIDED, true);
}
}
/*
* (non-Javadoc)
*
* @see simplenlg.framework.NLGElement#setFeature(java.lang.String, boolean)
*/
public override void setFeature(string featureName, bool featureValue)
{
base.setFeature(featureName, featureValue);
if (vpFeatures.Contains(featureName))
{
//PhraseElement verbPhrase = (PhraseElement) getFeatureAsElement(InternalFeature.VERB_PHRASE);
//AG: bug fix: VP could be coordinate phrase, so cast to NLGElement not PhraseElement
NLGElement verbPhrase = (NLGElement)getFeatureAsElement(InternalFeature.VERB_PHRASE);
if (verbPhrase != null || verbPhrase is VPPhraseSpec)
{
verbPhrase.setFeature(featureName, featureValue);
}
}
}
/**
* Pushes the front verb on to the stack if the phrase has a modal.
*
* @param hasModal
* the phrase has a modal
* @param phrase
* the <code>PhraseElement</code> representing this noun phrase.
* @param frontVG
* the first verb in the verb group.
* @param vgComponents
* the stack of verb components in the verb group.
* @return the new element for the front of the group.
*/
private static NLGElement pushIfModal(bool hasModal, PhraseElement phrase, NLGElement frontVG, Stack <NLGElement> vgComponents)
{
NLGElement newFront = frontVG;
if (hasModal && !phrase.getFeatureAsBoolean(InternalFeature.IGNORE_MODAL))
{
if (frontVG != null)
{
frontVG.setFeature(InternalFeature.NON_MORPH, true);
vgComponents.Push(frontVG);
}
newFront = null;
}
return(newFront);
}
/**
* Realises the auxiliary verbs in the verb group.
*
* @param parent
* the parent <code>SyntaxProcessor</code> that will do the
* realisation of the complementiser.
* @param realisedElement
* the current realisation of the noun phrase.
* @param auxiliaryRealisation
* the stack of auxiliary verbs.
*/
private static void realiseAuxiliaries(SyntaxProcessor parent, ListElement realisedElement, Stack <NLGElement> auxiliaryRealisation)
{
NLGElement aux = null;
NLGElement currentElement = null;
while (auxiliaryRealisation.Any())
{
aux = auxiliaryRealisation.Pop();
currentElement = parent.realise(aux);
if (currentElement != null)
{
realisedElement.addComponent(currentElement);
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.AUXILIARY);
}
}
}
/**
* Realises the main group of verbs in the phrase.
*
* @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.
* @param mainVerbRealisation
* the stack of the main verbs in the phrase.
* @param realisedElement
* the current realisation of the noun phrase.
*/
private static void realiseMainVerb(SyntaxProcessor parent, PhraseElement phrase, Stack <NLGElement> mainVerbRealisation, ListElement realisedElement)
{
NLGElement currentElement = null;
NLGElement main = null;
while (mainVerbRealisation.Any())
{
main = mainVerbRealisation.Pop();
main.setFeature(Feature.INTERROGATIVE_TYPE, phrase.getFeature(Feature.INTERROGATIVE_TYPE));
currentElement = parent.realise(main);
if (currentElement != null)
{
realisedElement.addComponent(currentElement);
}
}
}
/**
* Realises the complements of this phrase.
*
* @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.
* @param realisedElement
* the current realisation of the noun phrase.
*/
private static void realiseComplements(SyntaxProcessor parent, PhraseElement phrase, ListElement realisedElement)
{
ListElement indirects = new ListElement();
ListElement directs = new ListElement();
ListElement unknowns = new ListElement();
object discourseValue = null;
NLGElement currentElement = null;
foreach (NLGElement complement in phrase.getFeatureAsElementList(InternalFeature.COMPLEMENTS))
{
discourseValue = complement.getFeature(InternalFeature.DISCOURSE_FUNCTION);
currentElement = parent.realise(complement);
if (currentElement != null)
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.COMPLEMENT);
if (DiscourseFunction.INDIRECT_OBJECT.Equals(discourseValue))
{
indirects.addComponent(currentElement);
}
else if (DiscourseFunction.OBJECT.Equals(discourseValue))
{
directs.addComponent(currentElement);
}
else
{
unknowns.addComponent(currentElement);
}
}
}
InterrogativeType?interrogativeType = (InterrogativeType?)phrase.getFeature(Feature.INTERROGATIVE_TYPE);
if (interrogativeType == null || !((InterrogativeType)interrogativeType).isIndirectObject())
{
realisedElement.addComponents(indirects.Children);
}
if (!phrase.getFeatureAsBoolean(Feature.PASSIVE))
{
if (interrogativeType == null || !((InterrogativeType)interrogativeType).isObject())
{
realisedElement.addComponents(directs.Children);
}
realisedElement.addComponents(unknowns.Children);
}
}
/**
* 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);
}
/**
* Realises the head noun of the noun phrase.
*
* @param phrase
* the <code>PhraseElement</code> representing this noun phrase.
* @param parent
* the parent <code>SyntaxProcessor</code> that will do the
* realisation of the complementiser.
* @param realisedElement
* the current realisation of the noun phrase.
*/
private static void realiseHeadNoun(PhraseElement phrase, SyntaxProcessor parent, ListElement realisedElement)
{
NLGElement headElement = phrase.getHead();
if (headElement != null)
{
headElement.setFeature(Feature.ELIDED, phrase.getFeature(Feature.ELIDED));
headElement.setFeature(LexicalFeature.GENDER, phrase.getFeature(LexicalFeature.GENDER));
headElement.setFeature(InternalFeature.ACRONYM, phrase.getFeature(InternalFeature.ACRONYM));
headElement.setFeature(Feature.NUMBER, phrase.getFeature(Feature.NUMBER));
headElement.setFeature(Feature.PERSON, phrase.getFeature(Feature.PERSON));
headElement.setFeature(Feature.POSSESSIVE, phrase.getFeature(Feature.POSSESSIVE));
headElement.setFeature(Feature.PASSIVE, phrase.getFeature(Feature.PASSIVE));
headElement.setFeature(Feature.IS_CAPITALIZED, phrase.getFeature(Feature.IS_CAPITALIZED));
NLGElement currentElement = parent.realise(headElement);
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.SUBJECT);
realisedElement.addComponent(currentElement);
}
}
/**
* Adds the front modifiers to the end of the clause when dealing with
* interrogatives.
*
* @param phrase
* the <code>PhraseElement</code> representing this clause.
* @param parent
* the parent <code>SyntaxProcessor</code> that will do the
* realisation of the complementiser.
* @param realisedElement
* the current realisation of the clause.
*/
private static void addInterrogativeFrontModifiers(PhraseElement phrase, SyntaxProcessor parent, ListElement realisedElement)
{
NLGElement currentElement = null;
if (phrase.hasFeature(Feature.INTERROGATIVE_TYPE))
{
foreach (NLGElement subject in phrase.getFeatureAsElementList(InternalFeature.FRONT_MODIFIERS))
{
currentElement = parent.realise(subject);
if (currentElement != null)
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.FRONT_MODIFIER);
realisedElement.addComponent(currentElement);
}
}
}
}
/**
* 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 NLGElement createNot(PhraseElement phrase, Stack <NLGElement> vgComponents, NLGElement frontVG, bool hasModal)
{
NLGElement newFront = frontVG;
if (phrase.getFeatureAsBoolean(Feature.NEGATED))
{
NLGFactory factory = phrase.Factory;
// 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
object interrType = phrase.getFeature(Feature.INTERROGATIVE_TYPE);
bool addDo = !(InterrogativeType.WHAT_OBJECT.Equals(interrType) || InterrogativeType.WHO_OBJECT.Equals(interrType));
if (vgComponents.Any() || frontVG != null && isCopular(frontVG))
{
vgComponents.Push(new InflectedWordElement("not", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.ADVERB))); //$NON-NLS-1$
}
else
{
if (frontVG != null && !hasModal)
{
frontVG.setFeature(Feature.NEGATED, true);
vgComponents.Push(frontVG);
}
vgComponents.Push(new InflectedWordElement("not", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.ADVERB))); //$NON-NLS-1$
if (addDo)
{
if (factory != null)
{
newFront = factory.createInflectedWord("do", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.VERB));
}
else
{
newFront = new InflectedWordElement("do", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.VERB)); //$NON-NLS-1$
}
}
}
}
return(newFront);
}
/**
* Pushes the front verb onto the stack of verb components.
*
* @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 formValue
* the <code>Form</code> of the phrase.
* @param interrogative
* <code>true</code> if the phrase is interrogative.
*/
private static void pushFrontVerb(PhraseElement phrase, Stack <NLGElement> vgComponents, NLGElement frontVG, object formValue, bool interrogative)
{
object interrogType = phrase.getFeature(Feature.INTERROGATIVE_TYPE);
if (Form.GERUND.Equals(formValue))
{
frontVG.setFeature(Feature.FORM, Form.PRESENT_PARTICIPLE);
vgComponents.Push(frontVG);
}
else if (Form.PAST_PARTICIPLE.Equals(formValue))
{
frontVG.setFeature(Feature.FORM, Form.PAST_PARTICIPLE);
vgComponents.Push(frontVG);
}
else if (Form.PRESENT_PARTICIPLE.Equals(formValue))
{
frontVG.setFeature(Feature.FORM, Form.PRESENT_PARTICIPLE);
vgComponents.Push(frontVG);
}
else if ((!(formValue == null || Form.NORMAL.Equals(formValue)) || interrogative) && !isCopular(phrase.getHead()) && vgComponents.Count == 0)
{
// AG: fix below: if interrogative, only set non-morph feature in
// case it's not WHO_SUBJECT OR WHAT_SUBJECT
if (!(InterrogativeType.WHO_SUBJECT.Equals(interrogType) || InterrogativeType.WHAT_SUBJECT.Equals(interrogType)))
{
frontVG.setFeature(InternalFeature.NON_MORPH, true);
}
vgComponents.Push(frontVG);
}
else
{
NumberAgreement?numToUse = determineNumber(phrase.Parent, phrase);
frontVG.setFeature(Feature.TENSE, phrase.getFeature(Feature.TENSE));
frontVG.setFeature(Feature.PERSON, phrase.getFeature(Feature.PERSON));
frontVG.setFeature(Feature.NUMBER, numToUse);
//don't push the front VG if it's a negated interrogative WH object question
if (!(phrase.getFeatureAsBoolean(Feature.NEGATED) && (InterrogativeType.WHO_OBJECT.Equals(interrogType) || InterrogativeType.WHAT_OBJECT.Equals(interrogType))))
{
vgComponents.Push(frontVG);
}
}
}
/**
* Realises the specifier of the noun phrase.
*
* @param phrase
* the <code>PhraseElement</code> representing this noun phrase.
* @param parent
* the parent <code>SyntaxProcessor</code> that will do the
* realisation of the complementiser.
* @param realisedElement
* the current realisation of the noun phrase.
*/
private static void realiseSpecifier(PhraseElement phrase, SyntaxProcessor parent, ListElement realisedElement)
{
NLGElement specifierElement = phrase.getFeatureAsElement(InternalFeature.SPECIFIER);
if (specifierElement != null && !phrase.getFeatureAsBoolean(InternalFeature.RAISED) && !phrase.getFeatureAsBoolean(Feature.ELIDED))
{
if (!specifierElement.isA(new LexicalCategory(LexicalCategory.LexicalCategoryEnum.PRONOUN)) && specifierElement.Category != PhraseCategory.PhraseCategoryEnum.NOUN_PHRASE)
{
specifierElement.setFeature(Feature.NUMBER, phrase.getFeature(Feature.NUMBER));
}
NLGElement currentElement = parent.realise(specifierElement);
if (currentElement != null)
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.SPECIFIER);
realisedElement.addComponent(currentElement);
}
}
}
public virtual void correctPluralizationWithPossessives()
{
NPPhraseSpec sisterNP = nlgFactory.createNounPhrase("sister");
NLGElement word = nlgFactory.createInflectedWord("Albert Einstein",
new LexicalCategory(LexicalCategory.LexicalCategoryEnum.NOUN));
word.setFeature(LexicalFeature.PROPER, true);
NPPhraseSpec possNP = nlgFactory.createNounPhrase(word);
possNP.setFeature(Feature.POSSESSIVE, true);
sisterNP.setSpecifier(possNP);
Assert.AreEqual("Albert Einstein's sister", realiser.realise(sisterNP).Realisation);
sisterNP.Plural = true;
Assert.AreEqual("Albert Einstein's sisters", realiser.realise(sisterNP).Realisation);
sisterNP.Plural = false;
possNP.setFeature(LexicalFeature.GENDER, Gender.MASCULINE);
possNP.setFeature(Feature.PRONOMINAL, true);
Assert.AreEqual("his sister", realiser.realise(sisterNP).Realisation);
sisterNP.Plural = true;
Assert.AreEqual("his sisters", realiser.realise(sisterNP).Realisation);
}
/**
* Realises the complements of the phrase adding <em>and</em> where
* appropriate.
*
* @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.
* @param realisedElement
* the current realisation of the noun phrase.
*/
private static void realiseComplements(SyntaxProcessor parent, PhraseElement phrase, ListElement realisedElement)
{
bool firstProcessed = false;
NLGElement currentElement = null;
foreach (NLGElement complement in phrase.getFeatureAsElementList(InternalFeature.COMPLEMENTS))
{
currentElement = parent.realise(complement);
if (currentElement != null)
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, DiscourseFunction.COMPLEMENT);
if (firstProcessed)
{
realisedElement.addComponent(new InflectedWordElement("and", new LexicalCategory(LexicalCategory.LexicalCategoryEnum.CONJUNCTION))); //$NON-NLS-1$
}
else
{
firstProcessed = true;
}
realisedElement.addComponent(currentElement);
}
}
}
public override NLGElement realise(NLGElement element)
{
StringBuilder debug = new StringBuilder();
if (this.debug)
{
Console.WriteLine("INITIAL TREE\n"); //$NON-NLS-1$
Console.WriteLine(element.printTree(null));
debug.Append("INITIAL TREE<br/>");
debug.Append(element.printTree(" ").Replace("\n", "<br/>"));
}
NLGElement postSyntax = syntax.realise(element);
if (this.debug)
{
Console.WriteLine("<br/>POST-SYNTAX TREE<br/>"); //$NON-NLS-1$
Console.WriteLine(postSyntax.printTree(null));
debug.Append("<br/>POST-SYNTAX TREE<br/>");
debug.Append(postSyntax.printTree(" ").Replace("\n", "<br/>"));
}
NLGElement postMorphology = morphology.realise(postSyntax);
if (this.debug)
{
Console.WriteLine("\nPOST-MORPHOLOGY TREE\n"); //$NON-NLS-1$
Console.WriteLine(postMorphology.printTree(null));
debug.Append("<br/>POST-MORPHOLOGY TREE<br/>");
debug.Append(postMorphology.printTree(" ").Replace("\n", "<br/>"));
}
NLGElement postOrthography = orthography.realise(postMorphology);
if (this.debug)
{
Console.WriteLine("\nPOST-ORTHOGRAPHY TREE\n"); //$NON-NLS-1$
Console.WriteLine(postOrthography.printTree(null));
debug.Append("<br/>POST-ORTHOGRAPHY TREE<br/>");
debug.Append(postOrthography.printTree(" ").Replace("\n", "<br/>"));
}
NLGElement postFormatter = null;
if (formatter != null)
{
postFormatter = formatter.realise(postOrthography);
if (this.debug)
{
Console.WriteLine("\nPOST-FORMATTER TREE\n"); //$NON-NLS-1$
Console.WriteLine(postFormatter.printTree(null));
debug.Append("<br/>POST-FORMATTER TREE<br/>");
debug.Append(postFormatter.printTree(" ").Replace("\n", "<br/>"));
}
}
else
{
postFormatter = postOrthography;
}
if (this.debug)
{
postFormatter.setFeature("debug", debug.ToString());
}
return(postFormatter);
}