/**
* @return false if neither the verb @param token1 (if any) nor @param token2 match @param person
* and @param number, and none of them is "und" or "," if a finite verb is found, it is saved
* in finiteVerb
*/
private boolean verbDoesMatchPersonAndNumber(
final AnalyzedTokenReadings token1,
final AnalyzedTokenReadings token2,
final String person,
final String number) {
if (token1.getToken().equals(",")
|| token1.getToken().equals("und")
|| token2.getToken().equals(",")
|| token2.getToken().equals("und")) {
return true;
}
boolean foundFiniteVerb = false;
if (isFiniteVerb(token1)) {
foundFiniteVerb = true;
finiteVerb = token1;
if (token1.hasPartialPosTag(":" + person + ":" + number)) {
return true;
}
}
if (isFiniteVerb(token2)) {
foundFiniteVerb = true;
finiteVerb = token2;
if (token2.hasPartialPosTag(":" + person + ":" + number)) {
return true;
}
}
return !foundFiniteVerb;
}
@Nullable
private String baseForThirdPersonSingularVerb(String word) throws IOException {
List<AnalyzedTokenReadings> readings = tagger.tag(Collections.singletonList(word));
for (AnalyzedTokenReadings reading : readings) {
if (reading.hasPartialPosTag("VER:3:SIN:")) {
return reading.getReadings().get(0).getLemma();
}
}
return null;
}
/**
* @return a list of pronouns which match the person and number of @param verb
* @param toUppercase true when the suggestions should be capitalized
*/
private List<String> getPronounSuggestions(
final AnalyzedTokenReadings verb, final boolean toUppercase) {
List<String> result = new ArrayList<>();
if (verb.hasPartialPosTag(":1:SIN")) {
result.add("ich");
}
if (verb.hasPartialPosTag(":2:SIN")) {
result.add("du");
}
if (verb.hasPartialPosTag(":3:SIN")) {
result.add("er");
result.add("sie");
result.add("es");
}
if (verb.hasPartialPosTag(":1:PLU")) {
result.add("wir");
}
if (verb.hasPartialPosTag(":2:PLU")) {
result.add("ihr");
}
if (verb.hasPartialPosTag(":3:PLU") && !result.contains("sie")) { // do not add "sie" twice
result.add("sie");
}
if (toUppercase) {
for (int i = 0; i < result.size(); ++i) {
result.set(i, StringTools.uppercaseFirstChar(result.get(i)));
}
}
return result;
}
/**
* @return true if the verb @param token (if it is a verb) matches @param person and @param
* number, and matches no other person/number
*/
private boolean hasUnambiguouslyPersonAndNumber(
final AnalyzedTokenReadings tokenReadings, final String person, final String number) {
if (tokenReadings.getToken().length() == 0
|| (Character.isUpperCase(tokenReadings.getToken().charAt(0))
&& !(tokenReadings.getStartPos() == 0))
|| !tokenReadings.hasPartialPosTag("VER")) return false;
for (AnalyzedToken analyzedToken : tokenReadings) {
final String postag = analyzedToken.getPOSTag();
if (postag.contains("_END")) // ignore SENT_END and PARA_END
continue;
if (!postag.contains(":" + person + ":" + number)) return false;
} // for each reading
return true;
}
/** @return true if @param token is a finite verb, and it is no participle, pronoun or number */
private boolean isFiniteVerb(final AnalyzedTokenReadings token) {
if (token.getToken().length() == 0
|| (Character.isUpperCase(token.getToken().charAt(0)) && token.getStartPos() != 0)
|| !token.hasPartialPosTag("VER")
|| token.hasPartialPosTag("PA2")
|| token.hasPartialPosTag("PRO:")
|| token.hasPartialPosTag("ZAL")) {
return false;
}
return (token.hasPartialPosTag(":1:")
|| token.hasPartialPosTag(":2:")
|| token.hasPartialPosTag(":3:"));
}
