/**
* This method performs the morphology for adjectives.
*
* @param element
* the <code>InflectedWordElement</code>.
* @param baseWord
* the <code>WordElement</code> as created from the lexicon
* entry.
* @return a <code>StringElement</code> representing the word after
* inflection.
*/
public static NLGElement doAdjectiveMorphology(InflectedWordElement element, WordElement baseWord)
{
string realised = null;
object patternValue = element.getFeature(LexicalFeature.DEFAULT_INFL);
// base form from baseWord if it exists, otherwise from element
string baseForm = getBaseForm(element, baseWord);
if (element.getFeatureAsBoolean(Feature.IS_COMPARATIVE))
{
realised = element.getFeatureAsString(LexicalFeature.COMPARATIVE);
if (ReferenceEquals(realised, null) && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.COMPARATIVE);
}
if (ReferenceEquals(realised, null))
{
if (Inflection.REGULAR_DOUBLE.Equals(patternValue))
{
realised = buildDoubleCompAdjective(baseForm);
}
else
{
realised = buildRegularComparative(baseForm);
}
}
}
else if (element.getFeatureAsBoolean(Feature.IS_SUPERLATIVE))
{
realised = element.getFeatureAsString(LexicalFeature.SUPERLATIVE);
if (ReferenceEquals(realised, null) && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.SUPERLATIVE);
}
if (ReferenceEquals(realised, null))
{
if (Inflection.REGULAR_DOUBLE.Equals(patternValue))
{
realised = buildDoubleSuperAdjective(baseForm);
}
else
{
realised = buildRegularSuperlative(baseForm);
}
}
}
else
{
realised = baseForm;
}
StringElement realisedElement = new StringElement(realised);
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, element.getFeature(InternalFeature.DISCOURSE_FUNCTION));
return(realisedElement);
}
/**
* 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);
}
/**
* This method performs the morphology for pronouns.
*
* @param element
* the <code>InflectedWordElement</code>.
* @return a <code>StringElement</code> representing the word after
* inflection.
*/
public static NLGElement doPronounMorphology(InflectedWordElement element)
{
string realised = null;
if (!element.getFeatureAsBoolean(InternalFeature.NON_MORPH) && !isWHPronoun(element))
{
object genderValue = element.getFeature(LexicalFeature.GENDER);
object personValue = element.getFeature(Feature.PERSON);
object discourseValue = element.getFeature(InternalFeature.DISCOURSE_FUNCTION);
int numberIndex = element.Plural ? 1 : 0;
int genderIndex = (genderValue is Gender) ? (int)((Gender)genderValue) : 2;
int personIndex = (personValue is Person) ? (int)((Person)personValue) : 2;
if (personIndex == 2)
{
personIndex += genderIndex;
}
int positionIndex = 0;
if (element.getFeatureAsBoolean(LexicalFeature.REFLEXIVE))
{
positionIndex = 2;
}
else if (element.getFeatureAsBoolean(Feature.POSSESSIVE))
{
positionIndex = 3;
if (DiscourseFunction.SPECIFIER.Equals(discourseValue))
{
positionIndex++;
}
}
else
{
positionIndex = (DiscourseFunction.SUBJECT.Equals(discourseValue) && !element.getFeatureAsBoolean(Feature.PASSIVE)) || (DiscourseFunction.OBJECT.Equals(discourseValue) && element.getFeatureAsBoolean(Feature.PASSIVE)) || DiscourseFunction.SPECIFIER.Equals(discourseValue) || (DiscourseFunction.COMPLEMENT.Equals(discourseValue) && element.getFeatureAsBoolean(Feature.PASSIVE)) ? 0 : 1;
}
realised = PRONOUNS[numberIndex][positionIndex][personIndex];
}
else
{
realised = element.BaseForm;
}
StringElement realisedElement = new StringElement(realised);
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, element.getFeature(InternalFeature.DISCOURSE_FUNCTION));
return(realisedElement);
}
/**
* This method performs the morphology for nouns.
*
* @param element
* the <code>InflectedWordElement</code>.
* @param baseWord
* the <code>WordElement</code> as created from the lexicon
* entry.
* @return a <code>StringElement</code> representing the word after
* inflection.
*/
protected internal static StringElement doNounMorphology(InflectedWordElement element, WordElement baseWord)
{
StringBuilder realised = new StringBuilder();
// base form from baseWord if it exists, otherwise from element
string baseForm = getBaseForm(element, baseWord);
if (element.Plural && !element.getFeatureAsBoolean(LexicalFeature.PROPER))
{
string pluralForm = null;
// AG changed: now check if default infl is uncount
// if (element.getFeatureAsBoolean(LexicalFeature.NON_COUNT)
// .booleanValue()) {
// pluralForm = baseForm;
object elementDefaultInfl = element.getFeature(LexicalFeature.DEFAULT_INFL);
if (elementDefaultInfl != null && Inflection.UNCOUNT.Equals(elementDefaultInfl))
{
pluralForm = baseForm;
}
else
{
pluralForm = element.getFeatureAsString(LexicalFeature.PLURAL);
}
if (ReferenceEquals(pluralForm, null) && baseWord != null)
{
// AG changed: now check if default infl is uncount
// if (baseWord.getFeatureAsBoolean(LexicalFeature.NON_COUNT)
// .booleanValue()) {
// pluralForm = baseForm;
string baseDefaultInfl = baseWord.getFeatureAsString(LexicalFeature.DEFAULT_INFL);
if (!ReferenceEquals(baseDefaultInfl, null) && baseDefaultInfl.Equals("uncount"))
{
pluralForm = baseForm;
}
else
{
pluralForm = baseWord.getFeatureAsString(LexicalFeature.PLURAL);
}
}
if (ReferenceEquals(pluralForm, null))
{
object pattern = element.getFeature(LexicalFeature.DEFAULT_INFL);
if (Inflection.GRECO_LATIN_REGULAR.Equals(pattern))
{
pluralForm = buildGrecoLatinPluralNoun(baseForm);
}
else
{
pluralForm = buildRegularPluralNoun(baseForm);
}
}
realised.Append(pluralForm);
}
else
{
realised.Append(baseForm);
}
checkPossessive(element, realised);
StringElement realisedElement = new StringElement(realised.ToString(), element.Capitalized); // adapted by GJdV
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, element.getFeature(InternalFeature.DISCOURSE_FUNCTION));
return(realisedElement);
}
/**
* This method performs the morphology for verbs.
*
* @param element
* the <code>InflectedWordElement</code>.
* @param baseWord
* the <code>WordElement</code> as created from the lexicon
* entry.
* @return a <code>StringElement</code> representing the word after
* inflection.
*/
protected internal static NLGElement doVerbMorphology(InflectedWordElement element, WordElement baseWord)
{
string realised = null;
object numberValue = element.getFeature(Feature.NUMBER);
object personValue = element.getFeature(Feature.PERSON);
object tense = element.getFeature(Feature.TENSE);
Tense? tenseValue;
// AG: change to avoid deprecated getTense
// if tense value is Tense, cast it, else default to present
if (tense is Tense)
{
tenseValue = (Tense?)tense;
}
else
{
tenseValue = Tense.PRESENT;
}
object formValue = element.getFeature(Feature.FORM);
object patternValue = element.getFeature(LexicalFeature.DEFAULT_INFL);
// base form from baseWord if it exists, otherwise from element
string baseForm = getBaseForm(element, baseWord);
if (element.getFeatureAsBoolean(Feature.NEGATED) || Form.BARE_INFINITIVE.Equals(formValue))
{
realised = baseForm;
}
else if (Form.PRESENT_PARTICIPLE.Equals(formValue))
{
realised = element.getFeatureAsString(LexicalFeature.PRESENT_PARTICIPLE);
if (ReferenceEquals(realised, null) && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.PRESENT_PARTICIPLE);
}
if (ReferenceEquals(realised, null))
{
if (Inflection.REGULAR_DOUBLE.Equals(patternValue))
{
realised = buildDoublePresPartVerb(baseForm);
}
else
{
realised = buildRegularPresPartVerb(baseForm);
}
}
}
else if (Tense.PAST.Equals(tenseValue) || Form.PAST_PARTICIPLE.Equals(formValue))
{
if (Form.PAST_PARTICIPLE.Equals(formValue))
{
realised = element.getFeatureAsString(LexicalFeature.PAST_PARTICIPLE);
if (ReferenceEquals(realised, null) && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.PAST_PARTICIPLE);
}
if (ReferenceEquals(realised, null))
{
if ("be".Equals(baseForm, StringComparison.OrdinalIgnoreCase))
{ //$NON-NLS-1$
realised = "been"; //$NON-NLS-1$
}
else if (Inflection.REGULAR_DOUBLE.Equals(patternValue))
{
realised = buildDoublePastVerb(baseForm);
}
else
{
realised = buildRegularPastVerb(baseForm, numberValue, personValue);
}
}
}
else
{
realised = element.getFeatureAsString(LexicalFeature.PAST);
if (ReferenceEquals(realised, null) && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.PAST);
}
if (ReferenceEquals(realised, null))
{
if (Inflection.REGULAR_DOUBLE.Equals(patternValue))
{
realised = buildDoublePastVerb(baseForm);
}
else
{
realised = buildRegularPastVerb(baseForm, numberValue, personValue);
}
}
}
}
else if ((numberValue == null || NumberAgreement.SINGULAR.Equals(numberValue)) && (personValue == null || Person.THIRD.Equals(personValue)) && (tenseValue == null || Tense.PRESENT.Equals(tenseValue)))
{
realised = element.getFeatureAsString(LexicalFeature.PRESENT3S);
if (ReferenceEquals(realised, null) && baseWord != null && !"be".Equals(baseForm, StringComparison.OrdinalIgnoreCase))
{ //$NON-NLS-1$
realised = baseWord.getFeatureAsString(LexicalFeature.PRESENT3S);
}
if (ReferenceEquals(realised, null))
{
realised = buildPresent3SVerb(baseForm);
}
}
else
{
if ("be".Equals(baseForm, StringComparison.OrdinalIgnoreCase))
{ //$NON-NLS-1$
if (Person.FIRST.Equals(personValue) && (NumberAgreement.SINGULAR.Equals(numberValue) || numberValue == null))
{
realised = "am"; //$NON-NLS-1$
}
else
{
realised = "are"; //$NON-NLS-1$
}
}
else
{
realised = baseForm;
}
}
StringElement realisedElement = new StringElement(realised);
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION, element.getFeature(InternalFeature.DISCOURSE_FUNCTION));
return(realisedElement);
}