// look up and apply coarts for w to each sign in result
@SuppressWarnings("unchecked")
private void applyCoarts(Word w, SignHash result) throws LexException {
List<Sign> inputSigns = new ArrayList<Sign>(result.asSignSet());
result.clear();
List<Sign> outputSigns = new ArrayList<Sign>(inputSigns.size());
// for each surface attr, lookup coarts and apply to input signs, storing results in output
// signs
for (Iterator<Pair<String, String>> it = w.getSurfaceAttrValPairs(); it.hasNext(); ) {
Pair<String, String> p = it.next();
String attr = (String) p.a;
if (!_indexedCoartAttrs.contains(attr)) continue;
String val = (String) p.b;
Word coartWord = Word.createWord(attr, val);
SignHash coartResult = getSignsFromWord(coartWord, null, null, null);
for (Iterator<Sign> it2 = coartResult.iterator(); it2.hasNext(); ) {
Sign coartSign = it2.next();
// apply to each input
for (int j = 0; j < inputSigns.size(); j++) {
Sign sign = inputSigns.get(j);
grammar.rules.applyCoart(sign, coartSign, outputSigns);
}
}
// switch output to input for next iteration
inputSigns.clear();
inputSigns.addAll(outputSigns);
outputSigns.clear();
}
// add results back
result.addAll(inputSigns);
}
// look up and apply coarts for given rels to each sign in result
private void applyCoarts(List<String> coartRels, Collection<Sign> result) {
List<Sign> inputSigns = new ArrayList<Sign>(result);
result.clear();
List<Sign> outputSigns = new ArrayList<Sign>(inputSigns.size());
// for each rel, lookup coarts and apply to input signs, storing results in output signs
for (Iterator<String> it = coartRels.iterator(); it.hasNext(); ) {
String rel = it.next();
Collection<String> preds = (Collection<String>) _coartRelsToPreds.get(rel);
if (preds == null) continue; // not expected
Collection<Sign> coartResult = getSignsFromRelAndPreds(rel, preds);
if (coartResult == null) continue;
for (Iterator<Sign> it2 = coartResult.iterator(); it2.hasNext(); ) {
Sign coartSign = it2.next();
// apply to each input
for (int j = 0; j < inputSigns.size(); j++) {
Sign sign = inputSigns.get(j);
grammar.rules.applyCoart(sign, coartSign, outputSigns);
}
}
// switch output to input for next iteration
inputSigns.clear();
inputSigns.addAll(outputSigns);
outputSigns.clear();
}
// add results back
result.addAll(inputSigns);
}
// get signs for rel via preds, or null if none
private Collection<Sign> getSignsFromRelAndPreds(String rel, Collection<String> preds) {
List<Sign> retval = new ArrayList<Sign>();
for (Iterator<String> it = preds.iterator(); it.hasNext(); ) {
String pred = it.next();
Collection<Sign> signs = getSignsFromPredAndTargetRel(pred, rel);
if (signs != null) retval.addAll(signs);
}
// return null if none survive filter
if (retval.size() > 0) return retval;
else return null;
}
// get signs using an additional arg for a target rel
private Collection<Sign> getSignsFromPredAndTargetRel(String pred, String targetRel) {
Collection<Word> words = (Collection<Word>) _predToWords.get(pred);
String specialTokenConst = null;
// for robustness, when using supertagger, add words for pred sans sense index
int dotIndex = -1;
if (_supertagger != null
&& !Character.isDigit(pred.charAt(0))
&& // skip numbers
(dotIndex = pred.lastIndexOf('.')) > 0
&& pred.length() > dotIndex + 1
&& pred.charAt(dotIndex + 1) != '_') // skip titles, eg Mr._Smith
{
String barePred = pred.substring(0, dotIndex);
Collection<Word> barePredWords = (Collection<Word>) _predToWords.get(barePred);
if (words == null) words = barePredWords;
else if (barePredWords != null) {
Set<Word> unionWords = new HashSet<Word>(words);
unionWords.addAll(barePredWords);
words = unionWords;
}
}
if (words == null) {
specialTokenConst = tokenizer.getSpecialTokenConstant(tokenizer.isSpecialToken(pred));
if (specialTokenConst == null) return null;
// lookup words with pred = special token const
Collection<Word> specialTokenWords = (Collection<Word>) _predToWords.get(specialTokenConst);
// replace special token const with pred
if (specialTokenWords == null) return null;
words = new ArrayList<Word>(specialTokenWords.size());
for (Iterator<Word> it = specialTokenWords.iterator(); it.hasNext(); ) {
Word stw = it.next();
Word w = Word.createSurfaceWord(stw, pred);
words.add(w);
}
}
List<Sign> retval = new ArrayList<Sign>();
for (Iterator<Word> it = words.iterator(); it.hasNext(); ) {
Word w = it.next();
try {
SignHash signs = getSignsFromWord(w, specialTokenConst, pred, targetRel);
retval.addAll(signs.asSignSet());
}
// shouldn't happen
catch (LexException exc) {
System.err.println("Unexpected lex exception for word " + w + ": " + exc);
}
}
return retval;
}