/**
* This is the main method for performing the morphology. It effectively
* examines the lexical category of the element and calls the relevant set
* of rules from <code>MorphologyRules</em>.
*
* @param element
* the <code>InflectedWordElement</code>
* @return an <code>NLGElement</code> reflecting the correct inflection for
* the word.
*/
private NLGElement doMorphology(InflectedWordElement element)
{
NLGElement realisedElement = null;
if (element.getFeatureAsBoolean(InternalFeature.NON_MORPH))
{
realisedElement = new StringElement(element.BaseForm);
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, element.getFeature(InternalFeature.DISCOURSE_FUNCTION));
}
else
{
NLGElement baseWord = element.getFeatureAsElement(InternalFeature.BASE_WORD);
if (baseWord == null && lexicon != null)
{
baseWord = lexicon.lookupWord(element.BaseForm);
}
ElementCategory category = element.Category;
if (category is LexicalCategory)
{
switch (((LexicalCategory)category).GetLexicalCategory())
{
case LexicalCategory.LexicalCategoryEnum.PRONOUN:
realisedElement = MorphologyRules.doPronounMorphology(element);
break;
case LexicalCategory.LexicalCategoryEnum.NOUN:
realisedElement = MorphologyRules.doNounMorphology(element, (WordElement)baseWord);
break;
case LexicalCategory.LexicalCategoryEnum.VERB:
realisedElement = MorphologyRules.doVerbMorphology(element, (WordElement)baseWord);
break;
case LexicalCategory.LexicalCategoryEnum.ADJECTIVE:
realisedElement = MorphologyRules.doAdjectiveMorphology(element, (WordElement)baseWord);
break;
case LexicalCategory.LexicalCategoryEnum.ADVERB:
realisedElement = MorphologyRules.doAdverbMorphology(element, (WordElement)baseWord);
break;
default:
realisedElement = new StringElement(element.BaseForm);
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, element.getFeature(InternalFeature.DISCOURSE_FUNCTION));
break;
}
}
}
return(realisedElement);
}
public override IList <NLGElement> realise(IList <NLGElement> elements)
{
IList <NLGElement> realisedElements = new List <NLGElement>();
NLGElement currentElement = null;
NLGElement determiner = null;
NLGElement prevElement = null;
if (elements != null)
{
foreach (NLGElement eachElement in elements)
{
currentElement = realise(eachElement);
if (currentElement != null)
{
//pass the discourse function and appositive features -- important for orth processor
currentElement.setFeature(Feature.APPOSITIVE, eachElement.getFeature(Feature.APPOSITIVE));
object function = eachElement.getFeature(InternalFeature.DISCOURSE_FUNCTION);
if (function != null)
{
currentElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, function);
}
if (prevElement != null && prevElement is StringElement && eachElement is InflectedWordElement && ((InflectedWordElement)eachElement).Category == LexicalCategory.LexicalCategoryEnum.NOUN)
{
string prevString = prevElement.Realisation;
//realisedElements.get(realisedElements.size() - 1)
prevElement.Realisation = DeterminerAgrHelper.checkEndsWithIndefiniteArticle(prevString, currentElement.Realisation);
}
// realisedElements.add(realise(currentElement));
realisedElements.Add(currentElement);
if (determiner == null && DiscourseFunction.SPECIFIER.Equals(currentElement.getFeature(InternalFeature.DISCOURSE_FUNCTION)))
{
determiner = currentElement;
determiner.setFeature(Feature.NUMBER, eachElement.getFeature(Feature.NUMBER));
// MorphologyRules.doDeterminerMorphology(determiner,
// currentElement.getRealisation());
}
else if (determiner != null)
{
if (currentElement is ListElement)
{
// list elements: ensure det matches first element
NLGElement firstChild = ((ListElement)currentElement).Children[0];
if (firstChild != null)
{
//AG: need to check if child is a coordinate
if (firstChild is CoordinatedPhraseElement)
{
MorphologyRules.doDeterminerMorphology(determiner, firstChild.Children[0].Realisation);
}
else
{
MorphologyRules.doDeterminerMorphology(determiner, firstChild.Realisation);
}
}
}
else
{
// everything else: ensure det matches realisation
MorphologyRules.doDeterminerMorphology(determiner, currentElement.Realisation);
}
determiner = null;
}
}
prevElement = eachElement;
}
}
return(realisedElements);
}