public static List<Token> groupTokens(
String text, List<Token> toks, List<? extends Span> spans, String additionalContext) {
for (int i = spans.size() - 1; i >= 0; i--) {
Span span = spans.get(i);
if (span.length() > 0) {
int s = toks.get(span.getStart()).getSpan().getStart();
int e = toks.get(span.getEnd() - 1).getSpan().getEnd();
StringBuilder lexeme = new StringBuilder();
for (int j = span.getStart(); j < span.getEnd() - 1; j++) {
lexeme.append(toks.get(j).getLexeme()).append("_");
}
lexeme.append(toks.get(span.getEnd() - 1).getLexeme());
for (int j = span.getEnd() - 1; j >= span.getStart(); j--) {
toks.remove(j);
}
Token t = new TokenCogroo(lexeme.toString(), new Span(s, e));
if (span instanceof TypedSpan) {
t.setOriginalPOSTag(((TypedSpan) span).getType());
}
if (additionalContext != null) {
t.setAdditionalContext(additionalContext);
}
toks.add(span.getStart(), t);
}
}
return toks;
}
public static List<Token> groupTokensChar(
String text, List<Token> toks, List<Span> charSpans, String additionalContext) {
if (charSpans == null || charSpans.size() == 0) {
return toks;
}
int lastVisitedTok = 0;
List<Span> spans = new ArrayList<Span>(charSpans.size());
for (Span ch : charSpans) {
// System.out.println("looking for: " + ch.getCoveredText(text));
Token aToken = toks.get(lastVisitedTok);
while (aToken.getSpan().getStart() < ch.getStart()) {
lastVisitedTok++;
aToken = toks.get(lastVisitedTok);
}
int start = lastVisitedTok;
while (aToken.getSpan().getEnd() < ch.getEnd()) {
lastVisitedTok++;
aToken = toks.get(lastVisitedTok);
}
int end = lastVisitedTok + 1;
Span tokSpan = new Span(start, end);
spans.add(tokSpan);
}
return groupTokens(text, toks, spans, additionalContext);
}