private MultiPatternMatcher<CoreMap> createPatternMatcher(
Map<SequencePattern<CoreMap>, Entry> patternToEntry) {
// Convert to tokensregex pattern
int patternFlags = ignoreCase ? Pattern.CASE_INSENSITIVE : 0;
int stringMatchFlags = ignoreCase ? NodePattern.CASE_INSENSITIVE : 0;
Env env = TokenSequencePattern.getNewEnv();
env.setDefaultStringPatternFlags(patternFlags);
env.setDefaultStringMatchFlags(stringMatchFlags);
NodePattern<String> posTagPattern =
(validPosPattern != null && PosMatchType.MATCH_ALL_TOKENS.equals(posMatchType))
? new CoreMapNodePattern.StringAnnotationRegexPattern(validPosPattern)
: null;
List<TokenSequencePattern> patterns = new ArrayList<>(entries.size());
for (Entry entry : entries) {
TokenSequencePattern pattern;
if (entry.tokensRegex != null) {
// TODO: posTagPatterns...
pattern = TokenSequencePattern.compile(env, entry.tokensRegex);
} else {
List<SequencePattern.PatternExpr> nodePatterns = new ArrayList<>();
for (String p : entry.regex) {
CoreMapNodePattern c = CoreMapNodePattern.valueOf(p, patternFlags);
if (posTagPattern != null) {
c.add(CoreAnnotations.PartOfSpeechAnnotation.class, posTagPattern);
}
nodePatterns.add(new SequencePattern.NodePatternExpr(c));
}
pattern =
TokenSequencePattern.compile(new SequencePattern.SequencePatternExpr(nodePatterns));
}
if (entry.annotateGroup < 0 || entry.annotateGroup > pattern.getTotalGroups()) {
throw new RuntimeException("Invalid match group for entry " + entry);
}
pattern.setPriority(entry.priority);
patterns.add(pattern);
patternToEntry.put(pattern, entry);
}
return TokenSequencePattern.getMultiPatternMatcher(patterns);
}
