private void createBaseGrammar(
List<GrammarNode> wordGrammarNodes, GrammarNode branchNode, GrammarNode finalNode) {
GrammarNode currNode = branchNode;
ListIterator<GrammarNode> iter = wordGrammarNodes.listIterator();
while (iter.hasNext()) {
GrammarNode nextNode = iter.next();
currNode.add(nextNode, logMath.getLogOne());
currNode = nextNode;
}
currNode.add(finalNode, logMath.getLogOne());
}
@Override
protected GrammarNode createGrammar() throws IOException {
logger.info("Creating Grammar");
initialNode = createGrammarNode(Dictionary.SILENCE_SPELLING);
finalNode = createGrammarNode(Dictionary.SILENCE_SPELLING);
finalNode.setFinalNode(true);
final GrammarNode branchNode = createGrammarNode(false);
final List<GrammarNode> wordGrammarNodes = new ArrayList<GrammarNode>();
final int end = tokens.size();
logger.info("Creating Grammar nodes");
for (final String word : tokens.subList(0, end)) {
final GrammarNode wordNode = createGrammarNode(word.toLowerCase());
wordGrammarNodes.add(wordNode);
}
logger.info("Done creating grammar node");
// now connect all the GrammarNodes together
initialNode.add(branchNode, LogMath.getLogOne());
createBaseGrammar(wordGrammarNodes, branchNode, finalNode);
if (modelDeletions) {
addForwardJumps(wordGrammarNodes, branchNode, finalNode);
}
if (modelBackwardJumps) {
addBackwardJumps(wordGrammarNodes, branchNode, finalNode);
}
if (modelRepetitions) {
addSelfLoops(wordGrammarNodes);
}
logger.info("Done making Grammar");
// initialNode.dumpDot("./graph.dot");
return initialNode;
}