/**
* 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 INLGElement doPronounMorphology(InflectedWordElement element)
{
string realised = null;
if (!element.getFeatureAsBoolean(InternalFeature.NON_MORPH.ToString()) && !isWHPronoun(element))
{
var genderValue = element.getFeature(LexicalFeature.GENDER);
var personValue = element.getFeature(Feature.PERSON.ToString());
var discourseValue = element.getFeature(InternalFeature.DISCOURSE_FUNCTION.ToString());
var numberIndex = element.isPlural() ? 1 : 0;
var genderIndex = (genderValue is Gender) ? ((Gender)genderValue).ordinal() : 2;
var personIndex = (personValue is Person) ? ((Person)personValue).ordinal() : 2;
if (personIndex == 2)
{
personIndex += genderIndex;
}
var positionIndex = 0;
if (element.getFeatureAsBoolean(LexicalFeature.REFLEXIVE))
{
positionIndex = 2;
}
else if (element.getFeatureAsBoolean(Feature.POSSESSIVE.ToString()))
{
positionIndex = 3;
if (DiscourseFunction.SPECIFIER.Equals(discourseValue))
{
positionIndex++;
}
}
else
{
positionIndex = (DiscourseFunction.SUBJECT.Equals(discourseValue) && !element.getFeatureAsBoolean(
Feature.PASSIVE.ToString())) ||
(DiscourseFunction.OBJECT.Equals(discourseValue) &&
element.getFeatureAsBoolean(Feature.PASSIVE.ToString())) ||
DiscourseFunction.SPECIFIER.Equals(discourseValue) || (
DiscourseFunction.COMPLEMENT.Equals(discourseValue) &&
element.getFeatureAsBoolean(Feature.PASSIVE.ToString()))
? 0
: 1;
}
realised = PRONOUNS[numberIndex][positionIndex][personIndex];
}
else
{
realised = element.getBaseForm();
}
var realisedElement = new StringElement(realised);
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION.ToString(),
element.getFeature(InternalFeature.DISCOURSE_FUNCTION.ToString()));
return(realisedElement);
}
/**
* 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 INLGElement doAdjectiveMorphology(InflectedWordElement element, WordElement baseWord)
{
string realised = null;
var patternValue = element.getFeature(LexicalFeature.DEFAULT_INFL);
// base form from baseWord if it exists, otherwise from element
var baseForm = getBaseForm(element, baseWord);
if (element.getFeatureAsBoolean(Feature.IS_COMPARATIVE.ToString()))
{
realised = element.getFeatureAsString(LexicalFeature.COMPARATIVE);
if (realised == null && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.COMPARATIVE);
}
if (realised == null)
{
if (Inflection.REGULAR_DOUBLE.Equals(patternValue))
{
realised = buildDoubleCompAdjective(baseForm);
}
else
{
realised = buildRegularComparative(baseForm);
}
}
}
else if (element.getFeatureAsBoolean(Feature.IS_SUPERLATIVE.ToString()))
{
realised = element.getFeatureAsString(LexicalFeature.SUPERLATIVE);
if (realised == null && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.SUPERLATIVE);
}
if (realised == null)
{
if (Inflection.REGULAR_DOUBLE.Equals(patternValue))
{
realised = buildDoubleSuperAdjective(baseForm);
}
else
{
realised = buildRegularSuperlative(baseForm);
}
}
}
else
{
realised = baseForm;
}
var realisedElement = new StringElement(realised);
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION.ToString(),
element.getFeature(InternalFeature.DISCOURSE_FUNCTION.ToString()));
return(realisedElement);
}
/**
* This method performs the morphology for adverbs.
*
* @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 INLGElement doAdverbMorphology(InflectedWordElement element, WordElement baseWord)
{
string realised = null;
// base form from baseWord if it exists, otherwise from element
var baseForm = getBaseForm(element, baseWord);
if (element.getFeatureAsBoolean(Feature.IS_COMPARATIVE.ToString()))
{
realised = element.getFeatureAsString(LexicalFeature.COMPARATIVE);
if (realised == null && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.COMPARATIVE);
}
if (realised == null)
{
realised = buildRegularComparative(baseForm);
}
}
else if (element.getFeatureAsBoolean(Feature.IS_SUPERLATIVE.ToString()))
{
realised = element.getFeatureAsString(LexicalFeature.SUPERLATIVE);
if (realised == null && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.SUPERLATIVE);
}
if (realised == null)
{
realised = buildRegularSuperlative(baseForm);
}
}
else
{
realised = baseForm;
}
var realisedElement = new StringElement(realised);
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION.ToString(),
element.getFeature(InternalFeature.DISCOURSE_FUNCTION.ToString()));
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 INLGElement doMorphology(InflectedWordElement element)
{
INLGElement realisedElement = null;
if (element.getFeatureAsBoolean(InternalFeature.NON_MORPH.ToString()))
{
realisedElement = new StringElement(element.getBaseForm());
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION.ToString(),
element.getFeature(InternalFeature.DISCOURSE_FUNCTION.ToString()));
}
else
{
INLGElement baseWord = element.getFeatureAsElement(InternalFeature.BASE_WORD.ToString());
if (baseWord == null && this.lexicon != null)
{
baseWord = this.lexicon.lookupWord(element.getBaseForm());
}
var category = element.getCategory();
if (category is ILexicalCategory)
{
switch ((LexicalCategoryEnum)category.enumType)
{
case LexicalCategoryEnum.PRONOUN:
realisedElement = MorphologyRules.doPronounMorphology(element);
break;
case LexicalCategoryEnum.NOUN:
realisedElement = MorphologyRules.doNounMorphology(element, (WordElement)baseWord);
break;
case LexicalCategoryEnum.VERB:
realisedElement = MorphologyRules.doVerbMorphology(element, (WordElement)baseWord);
break;
case LexicalCategoryEnum.ADJECTIVE:
realisedElement = MorphologyRules.doAdjectiveMorphology(element, (WordElement)baseWord);
break;
case LexicalCategoryEnum.ADVERB:
realisedElement = MorphologyRules.doAdverbMorphology(element, (WordElement)baseWord);
break;
default:
realisedElement = new StringElement(element.getBaseForm());
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION.ToString(),
element.getFeature(InternalFeature.DISCOURSE_FUNCTION.ToString()));
break;
}
}
}
return(realisedElement);
}
/**
* Checks to see if the noun is possessive. If it is then nouns in ending in
* <em>-s</em> become <em>-s'</em> while every other noun has <em>-'s</em> appended to
* the end.
*
* @param element
* the <code>InflectedWordElement</code>
* @param realised
* the realisation of the word.
*/
private static void checkPossessive(InflectedWordElement element, StringBuilder realised)
{
if (element.getFeatureAsBoolean(Feature.POSSESSIVE.ToString()))
{
if (realised.charAt(realised.length() - 1) == 's')
{
realised.append("\'");
}
else
{
realised.append("'s");
}
}
}
/**
* 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.
*/
public static INLGElement doVerbMorphology(InflectedWordElement element, WordElement baseWord)
{
string realised = null;
var numberValue = element.getFeature(Feature.NUMBER.ToString());
var personValue = element.getFeature(Feature.PERSON.ToString());
var tenseValue = element.getFeatureTense(Feature.TENSE.ToString());
var formValue = element.getFeature(Feature.FORM.ToString());
var patternValue = element.getFeature(LexicalFeature.DEFAULT_INFL);
// base form from baseWord if it exists, otherwise from element
var baseForm = getBaseForm(element, baseWord);
if (element.getFeatureAsBoolean(Feature.NEGATED.ToString()) || Form.BARE_INFINITIVE.Equals(formValue))
{
realised = baseForm;
}
else if (Form.PRESENT_PARTICIPLE.Equals(formValue))
{
realised = element.getFeatureAsString(LexicalFeature.PRESENT_PARTICIPLE);
if (realised == null && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.PRESENT_PARTICIPLE);
}
if (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 (realised == null && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.PAST_PARTICIPLE);
}
if (realised == null)
{
if ("be".equalsIgnoreCase(baseForm))
{
realised = "been";
}
else if (Inflection.REGULAR_DOUBLE.Equals(patternValue))
{
realised = buildDoublePastVerb(baseForm);
}
else
{
realised = buildRegularPastVerb(baseForm, numberValue, personValue);
}
}
}
else
{
realised = element.getFeatureAsString(LexicalFeature.PAST);
if (realised == null && baseWord != null)
{
realised = baseWord.getFeatureAsString(LexicalFeature.PAST);
}
if (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)) &&
(Tense.PRESENT.Equals(tenseValue)))
{
realised = element.getFeatureAsString(LexicalFeature.PRESENT3S);
if (realised == null && baseWord != null && !"be".equalsIgnoreCase(baseForm))
{
realised = baseWord.getFeatureAsString(LexicalFeature.PRESENT3S);
}
if (realised == null)
{
realised = buildPresent3SVerb(baseForm);
}
}
else
{
if ("be".equalsIgnoreCase(baseForm))
{
if (Person.FIRST.Equals(personValue) && (NumberAgreement.SINGULAR.Equals(numberValue) ||
numberValue == null))
{
realised = "am";
}
else
{
realised = "are";
}
}
else
{
realised = baseForm;
}
}
var realisedElement = new StringElement(realised);
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION.ToString(),
element.getFeature(InternalFeature.DISCOURSE_FUNCTION.ToString()));
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.
*/
public static StringElement doNounMorphology(InflectedWordElement element, WordElement baseWord)
{
var realised = new StringBuilder();
// base form from baseWord if it exists, otherwise from element
var baseForm = getBaseForm(element, baseWord);
if (element.isPlural() && !element.getFeatureAsBoolean(LexicalFeature.PROPER))
{
string pluralForm = null;
// AG changed: now check if default infl is uncount
// if (element.getFeatureAsBoolean(LexicalFeature.NON_COUNT)
// ) {
// pluralForm = baseForm;
var elementDefaultInfl = element.getFeature(LexicalFeature.DEFAULT_INFL);
if (elementDefaultInfl != null && Inflection.UNCOUNT.Equals(elementDefaultInfl))
{
pluralForm = baseForm;
}
else
{
pluralForm = element.getFeatureAsString(LexicalFeature.PLURAL);
}
if (pluralForm == null && baseWord != null)
{
// AG changed: now check if default infl is uncount
// if (baseWord.getFeatureAsBoolean(LexicalFeature.NON_COUNT)
// ) {
// pluralForm = baseForm;
var baseDefaultInfl = baseWord.getFeatureAsString(LexicalFeature.DEFAULT_INFL);
if (baseDefaultInfl != null && baseDefaultInfl.Equals("uncount"))
{
pluralForm = baseForm;
}
else
{
pluralForm = baseWord.getFeatureAsString(LexicalFeature.PLURAL);
}
}
if (pluralForm == null)
{
var 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);
var realisedElement = new StringElement(realised.ToString());
realisedElement.setFeature(InternalFeature.DISCOURSE_FUNCTION.ToString(),
element.getFeature(InternalFeature.DISCOURSE_FUNCTION.ToString()));
return(realisedElement);
}