Search in sources :

Example 1 with PhoneticExpectation

use of zemberek.core.turkish.PhoneticExpectation in project zemberek-nlp by ahmetaa.

the class StemNodeGenerator method generateModifiedRootNodes.

private StemNode[] generateModifiedRootNodes(DictionaryItem dicItem) {
    if (dicItem.hasAttribute(Special)) {
        return handleSpecialStems(dicItem);
    }
    TurkishLetterSequence modifiedSeq = new TurkishLetterSequence(dicItem.pronunciation, alphabet);
    EnumSet<PhoneticAttribute> originalAttrs = calculateAttributes(dicItem.pronunciation);
    EnumSet<PhoneticAttribute> modifiedAttrs = originalAttrs.clone();
    EnumSet<PhoneticExpectation> originalExpectations = EnumSet.noneOf(PhoneticExpectation.class);
    EnumSet<PhoneticExpectation> modifiedExpectations = EnumSet.noneOf(PhoneticExpectation.class);
    for (RootAttribute attribute : dicItem.attributes) {
        // generate other boundary attributes and modified root state.
        switch(attribute) {
            case Voicing:
                TurkicLetter last = modifiedSeq.lastLetter();
                TurkicLetter modifiedLetter = alphabet.voice(last);
                if (modifiedLetter == null) {
                    throw new LexiconException("Voicing letter is not proper in:" + dicItem);
                }
                if (dicItem.lemma.endsWith("nk")) {
                    modifiedLetter = TurkishAlphabet.L_g;
                }
                modifiedSeq.changeLetter(modifiedSeq.length() - 1, modifiedLetter);
                modifiedAttrs.remove(PhoneticAttribute.LastLetterVoicelessStop);
                originalExpectations.add(PhoneticExpectation.ConsonantStart);
                modifiedExpectations.add(PhoneticExpectation.VowelStart);
                break;
            case Doubling:
                modifiedSeq.append(modifiedSeq.lastLetter());
                originalExpectations.add(PhoneticExpectation.ConsonantStart);
                modifiedExpectations.add(PhoneticExpectation.VowelStart);
                break;
            case LastVowelDrop:
                if (modifiedSeq.lastLetter().isVowel()) {
                    modifiedSeq.delete(modifiedSeq.length() - 1);
                    modifiedExpectations.add(PhoneticExpectation.ConsonantStart);
                } else {
                    modifiedSeq.delete(modifiedSeq.length() - 2);
                    if (!dicItem.primaryPos.equals(PrimaryPos.Verb)) {
                        originalExpectations.add(PhoneticExpectation.ConsonantStart);
                    }
                    modifiedExpectations.add(PhoneticExpectation.VowelStart);
                }
                break;
            case InverseHarmony:
                originalAttrs.add(PhoneticAttribute.LastVowelFrontal);
                originalAttrs.remove(PhoneticAttribute.LastVowelBack);
                modifiedAttrs.add(PhoneticAttribute.LastVowelFrontal);
                modifiedAttrs.remove(PhoneticAttribute.LastVowelBack);
                break;
            case ProgressiveVowelDrop:
                modifiedSeq.delete(modifiedSeq.length() - 1);
                if (modifiedSeq.hasVowel()) {
                    modifiedAttrs = calculateAttributes(modifiedSeq);
                }
                break;
            default:
                break;
        }
    }
    StemNode original = new StemNode(dicItem.root, dicItem, originalAttrs, originalExpectations);
    StemNode modified = new StemNode(modifiedSeq.toString(), dicItem, modifiedAttrs, modifiedExpectations);
    SuffixData[] roots = suffixProvider.defineSuccessorSuffixes(dicItem);
    original.exclusiveSuffixData = roots[0];
    modified.exclusiveSuffixData = roots[1];
    if (original.equals(modified)) {
        return new StemNode[] { original };
    }
    modified.setTermination(TerminationType.NON_TERMINAL);
    if (dicItem.hasAttribute(RootAttribute.CompoundP3sgRoot)) {
        original.setTermination(TerminationType.NON_TERMINAL);
    }
    return new StemNode[] { original, modified };
}
Also used : RootAttribute(zemberek.core.turkish.RootAttribute) TurkicLetter(zemberek.core.turkish.TurkicLetter) PhoneticExpectation(zemberek.core.turkish.PhoneticExpectation) TurkishLetterSequence(zemberek.core.turkish.TurkishLetterSequence) LexiconException(zemberek.morphology.lexicon.LexiconException) StemNode(zemberek.morphology.lexicon.graph.StemNode) PhoneticAttribute(zemberek.core.turkish.PhoneticAttribute) SuffixData(zemberek.morphology.lexicon.graph.SuffixData)

Example 2 with PhoneticExpectation

use of zemberek.core.turkish.PhoneticExpectation in project zemberek-nlp by ahmetaa.

the class SuffixSurfaceNode method printExpectations.

private void printExpectations(StringBuilder sb) {
    if (!expectations.isEmpty()) {
        sb.append(" [E:");
    } else {
        return;
    }
    int i = 0;
    for (PhoneticExpectation attribute : expectations) {
        sb.append(attribute.name());
        if (i++ < expectations.size() - 1) {
            sb.append(", ");
        }
    }
    sb.append("]");
}
Also used : PhoneticExpectation(zemberek.core.turkish.PhoneticExpectation)

Aggregations

PhoneticExpectation (zemberek.core.turkish.PhoneticExpectation)2 PhoneticAttribute (zemberek.core.turkish.PhoneticAttribute)1 RootAttribute (zemberek.core.turkish.RootAttribute)1 TurkicLetter (zemberek.core.turkish.TurkicLetter)1 TurkishLetterSequence (zemberek.core.turkish.TurkishLetterSequence)1 LexiconException (zemberek.morphology.lexicon.LexiconException)1 StemNode (zemberek.morphology.lexicon.graph.StemNode)1 SuffixData (zemberek.morphology.lexicon.graph.SuffixData)1