/** Returns a string representation of the deterministic FSM graph using GML. */
public String getFSMgml() {
String res = "graph[ \ndirected 1\n";
StringBuffer nodes = new StringBuffer(gate.Gate.STRINGBUFFER_SIZE),
edges = new StringBuffer(gate.Gate.STRINGBUFFER_SIZE);
Iterator fsmStatesIter = fsmStates.iterator();
while (fsmStatesIter.hasNext()) {
FSMState currentState = (FSMState) fsmStatesIter.next();
int stateIndex = currentState.getIndex();
nodes.append("node[ id ");
nodes.append(stateIndex);
nodes.append(" label \"");
nodes.append(stateIndex);
if (currentState.isFinal()) {
nodes.append(",F\\n");
nodes.append(currentState.getLookupSet());
}
nodes.append("\" ]\n");
edges.append(currentState.getEdgesGML());
}
res += nodes.toString() + edges.toString() + "]\n";
return res;
} // getFSMgml
/**
* This method runs the gazetteer. It assumes that all the needed parameters are set. If they are
* not, an exception will be fired.
*/
@Override
public void execute() throws ExecutionException {
interrupted = false;
AnnotationSet annotationSet;
// check the input
if (document == null) {
throw new ExecutionException("No document to process!");
}
if (annotationSetName == null || annotationSetName.equals("")) {
annotationSet = document.getAnnotations();
} else {
annotationSet = document.getAnnotations(annotationSetName);
}
fireStatusChanged("Performing look-up in " + document.getName() + "...");
String content = document.getContent().toString();
int length = content.length();
char currentChar;
FSMState currentState = initialState;
FSMState nextState;
FSMState lastMatchingState = null;
int matchedRegionEnd = 0;
int matchedRegionStart = 0;
int charIdx = 0;
int oldCharIdx = 0;
FeatureMap fm;
Lookup currentLookup;
while (charIdx < length) {
currentChar = content.charAt(charIdx);
if (Character.isSpaceChar(currentChar) || Character.isWhitespace(currentChar)) {
currentChar = ' ';
} else {
currentChar =
caseSensitive.booleanValue() ? currentChar : Character.toUpperCase(currentChar);
}
nextState = currentState.next(currentChar);
if (nextState == null) {
// the matching stopped
// if we had a successful match then act on it;
if (lastMatchingState != null) {
createLookups(lastMatchingState, matchedRegionStart, matchedRegionEnd, annotationSet);
lastMatchingState = null;
}
// reset the FSM (обходим каждую позицию т.е. сначала с 0, потом с 1, потом с 2)
charIdx = matchedRegionStart + 1;
matchedRegionStart = charIdx;
currentState = initialState;
} else { // go on with the matching
currentState = nextState;
// if we have a successful state then store it
if (currentState.isFinal()
&& ((!wholeWordsOnly.booleanValue())
|| ((matchedRegionStart == 0
|| !isWordInternal(content.charAt(matchedRegionStart - 1)))
&& (charIdx + 1 >= content.length()
|| !isWordInternal(content.charAt(charIdx + 1)))))) {
// we have a new match
// if we had an existing match and we need to annotate prefixes, then
// apply it
if (!longestMatchOnly && lastMatchingState != null) {
createLookups(lastMatchingState, matchedRegionStart, matchedRegionEnd, annotationSet);
}
matchedRegionEnd = charIdx;
lastMatchingState = currentState;
}
charIdx++;
if (charIdx == content.length()) {
// we can't go on, use the last matching state and restart matching
// from the next char
if (lastMatchingState != null) {
// let's add the new annotation(s)
createLookups(lastMatchingState, matchedRegionStart, matchedRegionEnd, annotationSet);
lastMatchingState = null;
}
// reset the FSM
charIdx = matchedRegionStart + 1;
matchedRegionStart = charIdx;
currentState = initialState;
}
}
// fire the progress event
if (charIdx - oldCharIdx > 256) {
fireProgressChanged((100 * charIdx) / length);
oldCharIdx = charIdx;
if (isInterrupted())
throw new ExecutionInterruptedException(
"The execution of the " + getName() + " gazetteer has been abruptly interrupted!");
}
} // while(charIdx < length)
// we've finished. If we had a stored match, then apply it.
if (lastMatchingState != null) {
createLookups(lastMatchingState, matchedRegionStart, matchedRegionEnd, annotationSet);
}
fireProcessFinished();
fireStatusChanged("Look-up complete!");
} // execute