public static ArrayList<String> getLexicalTransformations(String original) {
HashSet<String> outs = new HashSet<String>();
if (original.isEmpty()) return new ArrayList<String>(outs);
HashSet<String> news = new HashSet<String>();
String canonical = Common.canonicalizeString(original);
outs.add(canonical);
// now other things
String parenthesisLess = Common.removeParenthesis(canonical);
String halfSpaceLess = canonical.replace('\u200C', ' ');
String spaceLess = canonical.replace(' ', '\u200C');
String puncLess = Common.removePunctuations(canonical);
outs.addAll(news);
news.clear();
for (String probe : outs) {
probe = probe.replaceAll("\\bعلیهالسلام\\b", "");
probe = probe.replaceAll("\\bعلیها السلام\\b", "");
probe = probe.replaceAll("\\bعلیه السلام\\b", "");
probe = probe.replaceAll("\\bعلیهالسلام\\b", "");
probe = probe.replaceAll("\\(\\s*ع\\s*\\)", "");
probe = probe.replaceAll("\\(\\s*س\\s*\\)", "");
probe = probe.replaceAll("\\(\\s*ص\\s*\\)", "");
probe = probe.replaceAll("\\bصلی الله علیه وآله\\b", "");
probe = probe.replaceAll("\\bصلی الله علیه و آله\\b", "");
probe = probe.replaceAll("\\bصلی الله علیه و آله و سلم\\b", "");
probe = probe.replaceAll("\\bصلی الله علیه وآله و سلم\\b", "");
probe = probe.replaceAll("\\bصلی الله علیه وآله وسلم\\b", "");
probe = probe.replace("()", "");
probe = probe.replace("( )", ""); // tokenized version
news.addAll(probeLexicalTransformation(probe, outs));
}
outs.addAll(news);
news.clear();
outs.remove(original);
return new ArrayList<String>(outs);
}
